diff options
50 files changed, 5259 insertions, 1374 deletions
diff --git a/gdb/altos-xdep.c b/gdb/altos-xdep.c index e6ff104..fafcb18 100644 --- a/gdb/altos-xdep.c +++ b/gdb/altos-xdep.c @@ -44,6 +44,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <sys/user.h> /* After a.out.h */ #include <sys/file.h> #include <sys/stat.h> + /* Work with core dump and executable files, for GDB. This code would be in core.c if it weren't machine-dependent. */ diff --git a/gdb/am29k-tdep.c b/gdb/am29k-tdep.c index d4720b7..5c08a9b 100644 --- a/gdb/am29k-tdep.c +++ b/gdb/am29k-tdep.c @@ -63,11 +63,11 @@ examine_prologue (pc, rsize, msize, mfp_used) { long insn; CORE_ADDR p = pc; - int misc_index = find_pc_misc_function (pc); + struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); struct prologue_info *mi = 0; - if (misc_index >= 0) - mi = (struct prologue_info *)misc_function_vector[misc_index].misc_info; + if (msymbol != NULL) + mi = (struct prologue_info *) msymbol -> misc_info; if (mi != 0) { @@ -247,13 +247,13 @@ examine_prologue (pc, rsize, msize, mfp_used) } done: - if (misc_index >= 0) + if (msymbol != NULL) { if (mi == 0) { /* Add a new cache entry. */ mi = (struct prologue_info *)xmalloc (sizeof (struct prologue_info)); - misc_function_vector[misc_index].misc_info = (char *)mi; + msymbol -> misc_info = (char *)mi; mi->rsize_valid = 0; mi->msize_valid = 0; mi->mfp_valid = 0; diff --git a/gdb/arm-xdep.c b/gdb/arm-xdep.c index 5fc4de7..4c477fb 100644 --- a/gdb/arm-xdep.c +++ b/gdb/arm-xdep.c @@ -43,9 +43,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ void fetch_inferior_registers (regno) - int regno; + int regno; /* Original value discarded */ { - register int regno; register unsigned int regaddr; char buf[MAX_REGISTER_RAW_SIZE]; register int i; @@ -83,6 +82,7 @@ fetch_inferior_registers (regno) If REGNO is -1, do this for all registers. Otherwise, REGNO specifies which register (so we can save time). */ +void store_inferior_registers (regno) int regno; { diff --git a/gdb/buildsym.c b/gdb/buildsym.c index 985efd2..c90c558 100644 --- a/gdb/buildsym.c +++ b/gdb/buildsym.c @@ -28,6 +28,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "defs.h" #include "obstack.h" #include "symtab.h" +#include "gdbtypes.h" #include "breakpoint.h" #include "gdbcore.h" /* for bfd stuff for symfile.h */ #include "symfile.h" /* Needed for "struct complaint" */ @@ -40,19 +41,44 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "buildsym.h" /* Our own declarations */ #undef EXTERN -extern void qsort (); -extern double atof (); +static void +patch_block_stabs PARAMS ((struct pending *, struct pending_stabs *, + struct objfile *)); -/* Things we export from outside, and probably shouldn't. FIXME. */ -extern void new_object_header_files (); -extern char *next_symbol_text (); -extern int hashname (); -extern void patch_block_stabs (); /* AIX xcoffread.c */ -extern struct type *builtin_type (); /* AIX xcoffread.c */ - +static void +read_huge_number PARAMS ((char **, int, long *, int *)); + +static struct type * +dbx_alloc_type PARAMS ((int [2], struct objfile *)); + +static int +compare_line_numbers PARAMS ((const void *, const void *)); + +static struct blockvector * +make_blockvector PARAMS ((struct objfile *)); + +static void +fix_common_block PARAMS ((struct symbol *, int)); + +static void +cleanup_undefined_types PARAMS ((void)); + +static struct type * +read_range_type PARAMS ((char **, int [2], struct objfile *)); -static void cleanup_undefined_types (); -static void fix_common_block (); +static struct type * +read_enum_type PARAMS ((char **, struct type *, struct objfile *)); + +static struct type * +read_struct_type PARAMS ((char **, struct type *, struct objfile *)); + +static struct type * +read_array_type PARAMS ((char **, struct type *, struct objfile *)); + +static struct type ** +read_args PARAMS ((char **, int, struct objfile *)); + + static const char vptr_name[] = { '_','v','p','t','r',CPLUS_MARKER,'\0' }; static const char vb_name[] = { '_','v','b',CPLUS_MARKER,'\0' }; @@ -122,6 +148,30 @@ struct complaint invalid_member_complaint = struct complaint range_type_base_complaint = {"base type %d of range type is not defined", 0, 0}; +int +hashname (name) + char *name; +{ + register char *p = name; + register int total = p[0]; + register int c; + + c = p[1]; + total += c << 2; + if (c) + { + c = p[2]; + total += c << 4; + if (c) + total += p[3] << 6; + } + + /* Ensure result is positive. */ + if (total < 0) total += (1000 << 6); + return total % HASHSIZE; +} + + /* Look up a dbx type-number pair. Return the address of the slot where the type for that number-pair is stored. The number-pair is in TYPENUMS. @@ -155,7 +205,7 @@ dbx_lookup_type (typenums) while (index >= type_vector_length) type_vector_length *= 2; type_vector = (struct type **) - xrealloc (type_vector, + xrealloc ((char *) type_vector, (type_vector_length * sizeof (struct type *))); bzero (&type_vector[old_len], (type_vector_length - old_len) * sizeof (struct type *)); @@ -179,7 +229,7 @@ dbx_lookup_type (typenums) while (index >= f->length) f->length *= 2; f->vector = (struct type **) - xrealloc (f->vector, f->length * sizeof (struct type *)); + xrealloc ((char *) f->vector, f->length * sizeof (struct type *)); bzero (&f->vector[f_orig_length], (f->length - f_orig_length) * sizeof (struct type *)); } @@ -187,30 +237,16 @@ dbx_lookup_type (typenums) } } -/* Create a type object. Occaisionally used when you need a type - which isn't going to be given a type number. */ - -struct type * -dbx_create_type () -{ - register struct type *type = - (struct type *) obstack_alloc (symbol_obstack, sizeof (struct type)); - - bzero (type, sizeof (struct type)); - TYPE_VPTR_FIELDNO (type) = -1; - TYPE_VPTR_BASETYPE (type) = 0; - return type; -} - /* Make sure there is a type allocated for type numbers TYPENUMS and return the type object. This can create an empty (zeroed) type object. TYPENUMS may be (-1, -1) to return a new type object that is not put into the type vector, and so may not be referred to by number. */ -struct type * -dbx_alloc_type (typenums) +static struct type * +dbx_alloc_type (typenums, objfile) int typenums[2]; + struct objfile *objfile; { register struct type **type_addr; register struct type *type; @@ -231,7 +267,7 @@ dbx_alloc_type (typenums) We will fill it in later if we find out how. */ if (type == 0) { - type = dbx_create_type (); + type = alloc_type (objfile); if (type_addr) *type_addr = type; } @@ -337,11 +373,12 @@ really_free_pendings (foo) Put the block on the list of pending blocks. */ void -finish_block (symbol, listhead, old_blocks, start, end) +finish_block (symbol, listhead, old_blocks, start, end, objfile) struct symbol *symbol; struct pending **listhead; struct pending_block *old_blocks; CORE_ADDR start, end; + struct objfile *objfile; { register struct pending *next, *next1; register struct block *block; @@ -356,7 +393,7 @@ finish_block (symbol, listhead, old_blocks, start, end) i += next->nsyms, next = next->next) /*EMPTY*/; - block = (struct block *) obstack_alloc (symbol_obstack, + block = (struct block *) obstack_alloc (&objfile -> symbol_obstack, (sizeof (struct block) + ((i - 1) * sizeof (struct symbol *)))); /* Copy the symbols into the block. */ @@ -426,7 +463,7 @@ finish_block (symbol, listhead, old_blocks, start, end) /* Allocate in the symbol_obstack to save time. It wastes a little space. */ pblock = (struct pending_block *) - obstack_alloc (symbol_obstack, + obstack_alloc (&objfile -> symbol_obstack, sizeof (struct pending_block)); pblock->block = block; if (opblock) @@ -441,8 +478,9 @@ finish_block (symbol, listhead, old_blocks, start, end) } } -struct blockvector * -make_blockvector () +static struct blockvector * +make_blockvector (objfile) + struct objfile *objfile; { register struct pending_block *next; register struct blockvector *blockvector; @@ -453,7 +491,7 @@ make_blockvector () for (next = pending_blocks, i = 0; next; next = next->next, i++); blockvector = (struct blockvector *) - obstack_alloc (symbol_obstack, + obstack_alloc (&objfile -> symbol_obstack, (sizeof (struct blockvector) + (i - 1) * sizeof (struct block *))); @@ -488,7 +526,7 @@ make_blockvector () if (BLOCK_START(BLOCKVECTOR_BLOCK (blockvector, i-1)) > BLOCK_START(BLOCKVECTOR_BLOCK (blockvector, i))) { complain (&blockvector_complaint, - BLOCK_START(BLOCKVECTOR_BLOCK (blockvector, i))); + (char *) BLOCK_START(BLOCKVECTOR_BLOCK (blockvector, i))); } } #endif @@ -528,11 +566,11 @@ start_subfile (name, dirname) current_subfile = subfile; /* Save its name and compilation directory name */ - subfile->name = obsavestring (name, strlen (name)); + subfile->name = strdup (name); if (dirname == NULL) subfile->dirname = NULL; else - subfile->dirname = obsavestring (dirname, strlen (dirname)); + subfile->dirname = strdup (dirname); /* Initialize line-number recording for this subfile. */ subfile->line_vector = 0; @@ -601,7 +639,7 @@ record_line (subfile, line, pc) { subfile->line_vector_length *= 2; subfile->line_vector = (struct linetable *) - xrealloc (subfile->line_vector, (sizeof (struct linetable) + xrealloc ((char *) subfile->line_vector, (sizeof (struct linetable) + subfile->line_vector_length * sizeof (struct linetable_entry))); } @@ -612,13 +650,15 @@ record_line (subfile, line, pc) /* Needed in order to sort line tables from IBM xcoff files. Sigh! */ -/* static */ -int -compare_line_numbers (ln1, ln2) - struct linetable_entry *ln1, *ln2; +static int +compare_line_numbers (ln1p, ln2p) + const PTR ln1p; + const PTR ln2p; { - return ln1->line - ln2->line; + return (((struct linetable_entry *) ln1p) -> line - + ((struct linetable_entry *) ln2p) -> line); } + /* Start a new symtab for a new source file. This is called when a dbx symbol of type N_SO is seen; @@ -648,7 +688,9 @@ start_symtab (name, dirname, start_addr) } context_stack_depth = 0; - new_object_header_files (); + /* Leave FILENUM of 0 free for builtin types and this file's types. */ + n_this_object_header_files = 1; + header_file_prev_index = -1; type_vector_length = 0; type_vector = (struct type **) 0; @@ -661,6 +703,49 @@ start_symtab (name, dirname, start_addr) start_subfile (name, dirname); } +/* for all the stabs in a given stab vector, build appropriate types + and fix their symbols in given symbol vector. */ + +static void +patch_block_stabs (symbols, stabs, objfile) + struct pending *symbols; + struct pending_stabs *stabs; + struct objfile *objfile; +{ + int ii; + + if (stabs) + { + + /* for all the stab entries, find their corresponding symbols and + patch their types! */ + + for (ii = 0; ii < stabs->count; ++ii) + { + char *name = stabs->stab[ii]; + char *pp = (char*) strchr (name, ':'); + struct symbol *sym = find_symbol_in_list (symbols, name, pp-name); + if (!sym) + { + printf ("ERROR! stab symbol not found!\n"); /* FIXME */ + } + else + { + pp += 2; + if (*(pp-1) == 'F' || *(pp-1) == 'f') + { + SYMBOL_TYPE (sym) = + lookup_function_type (read_type (&pp, objfile)); + } + else + { + SYMBOL_TYPE (sym) = read_type (&pp, objfile); + } + } + } + } +} + /* Finish the symbol definitions for one main source file, close off all the lexical contexts for that file (creating struct block's for them), then make the struct symtab @@ -690,7 +775,7 @@ end_symtab (end_addr, sort_pending, sort_linevec, objfile) cstk = &context_stack[context_stack_depth]; /* Make a block for the local symbols within. */ finish_block (cstk->name, &local_symbols, cstk->old_blocks, - cstk->start_addr, end_addr); + cstk->start_addr, end_addr, objfile); /* Debug: if context stack still has something in it, we are in trouble. */ @@ -734,13 +819,13 @@ end_symtab (end_addr, sort_pending, sort_linevec, objfile) /* Hooks for xcoffread.c */ if (file_stabs) { - patch_block_stabs (file_symbols, file_stabs); + patch_block_stabs (file_symbols, file_stabs, objfile); free (file_stabs); file_stabs = 0; } if (global_stabs) { - patch_block_stabs (global_symbols, global_stabs); + patch_block_stabs (global_symbols, global_stabs, objfile); free (global_stabs); global_stabs = 0; } @@ -752,9 +837,9 @@ end_symtab (end_addr, sort_pending, sort_linevec, objfile) blockvector = NULL; } else { /* Define the STATIC_BLOCK and GLOBAL_BLOCK, and build the blockvector. */ - finish_block (0, &file_symbols, 0, last_source_start_addr, end_addr); - finish_block (0, &global_symbols, 0, last_source_start_addr, end_addr); - blockvector = make_blockvector (); + finish_block (0, &file_symbols, 0, last_source_start_addr, end_addr, objfile); + finish_block (0, &global_symbols, 0, last_source_start_addr, end_addr, objfile); + blockvector = make_blockvector (objfile); } /* Now create the symtab objects proper, one for each subfile. */ @@ -762,15 +847,17 @@ end_symtab (end_addr, sort_pending, sort_linevec, objfile) for (subfile = subfiles; subfile; subfile = nextsub) { + int linetablesize; /* If we have blocks of symbols, make a symtab. Otherwise, just ignore this file and any line number info in it. */ symtab = 0; if (blockvector) { if (subfile->line_vector) { /* First, shrink the linetable to make more memory. */ + linetablesize = sizeof (struct linetable) + + subfile->line_vector->nitems * sizeof (struct linetable_entry); subfile->line_vector = (struct linetable *) - xrealloc (subfile->line_vector, (sizeof (struct linetable) - + subfile->line_vector->nitems * sizeof (struct linetable_entry))); + xrealloc ((char *) subfile->line_vector, linetablesize); if (sort_linevec) qsort (subfile->line_vector->item, subfile->line_vector->nitems, @@ -782,20 +869,23 @@ end_symtab (end_addr, sort_pending, sort_linevec, objfile) /* Fill in its components. */ symtab->blockvector = blockvector; - symtab->linetable = subfile->line_vector; + if (subfile->line_vector) + { + /* Reallocate the line table on the symbol obstack */ + symtab->linetable = (struct linetable *) + obstack_alloc (&objfile -> symbol_obstack, linetablesize); + memcpy (symtab->linetable, subfile->line_vector, linetablesize); + } + else + { + symtab->linetable = NULL; + } symtab->dirname = subfile->dirname; symtab->free_code = free_linetable; symtab->free_ptr = 0; - - /* Link the new symtab into the list of such. */ - symtab->next = symtab_list; - symtab_list = symtab; - } else { - /* No blocks for this file. Delete any line number info we have - for it. */ - if (subfile->line_vector) - free (subfile->line_vector); } + if (subfile->line_vector) + free (subfile->line_vector); nextsub = subfile->next; free (subfile); @@ -828,9 +918,8 @@ push_context (desc, valu) { context_stack_size *= 2; context_stack = (struct context_stack *) - xrealloc (context_stack, - (context_stack_size - * sizeof (struct context_stack))); + xrealloc ((char *) context_stack, + (context_stack_size * sizeof (struct context_stack))); } new = &context_stack[context_stack_depth++]; @@ -873,19 +962,19 @@ buildsym_new_init () /* Scan through all of the global symbols defined in the object file, assigning values to the debugging symbols that need to be assigned - to. Get these symbols from the misc function list. */ + to. Get these symbols from the minimal symbol table. */ void -scan_file_globals () +scan_file_globals (objfile) + struct objfile *objfile; { int hash; int mf; + struct minimal_symbol *msymbol; + struct symbol *sym, *prev; - for (mf = 0; mf < misc_function_count; mf++) + for (msymbol = objfile -> msymbols; msymbol -> name != NULL; msymbol++) { - char *namestring = misc_function_vector[mf].name; - struct symbol *sym, *prev; - QUIT; prev = (struct symbol *) 0; @@ -893,12 +982,12 @@ scan_file_globals () /* Get the hash index and check all the symbols under that hash index. */ - hash = hashname (namestring); + hash = hashname (msymbol -> name); for (sym = global_sym_chain[hash]; sym;) { - if (*namestring == SYMBOL_NAME (sym)[0] - && !strcmp(namestring + 1, SYMBOL_NAME (sym) + 1)) + if (*(msymbol -> name) == SYMBOL_NAME (sym)[0] + && !strcmp(msymbol -> name + 1, SYMBOL_NAME (sym) + 1)) { /* Splice this symbol out of the hash chain and assign the value we have to it. */ @@ -911,9 +1000,9 @@ scan_file_globals () /* Note: this code might be executed several times for the same symbol if there are multiple references. */ if (SYMBOL_CLASS (sym) == LOC_BLOCK) - fix_common_block (sym, misc_function_vector[mf].address); + fix_common_block (sym, msymbol -> address); else - SYMBOL_VALUE_ADDRESS (sym) = misc_function_vector[mf].address; + SYMBOL_VALUE_ADDRESS (sym) = msymbol -> address; if (prev) sym = SYMBOL_VALUE_CHAIN (prev); @@ -963,17 +1052,19 @@ static char *type_synonym_name; /* ARGSUSED */ struct symbol * -define_symbol (valu, string, desc, type) +define_symbol (valu, string, desc, type, objfile) unsigned int valu; char *string; int desc; int type; + struct objfile *objfile; { register struct symbol *sym; char *p = (char *) strchr (string, ':'); int deftype; int synonym = 0; register int i; + struct type *temptype; /* Ignore syms with empty names. */ if (string[0] == 0) @@ -983,7 +1074,7 @@ define_symbol (valu, string, desc, type) if (p == 0) return 0; - sym = (struct symbol *)obstack_alloc (symbol_obstack, sizeof (struct symbol)); + sym = (struct symbol *)obstack_alloc (&objfile -> symbol_obstack, sizeof (struct symbol)); if (processing_gcc_compilation) { /* GCC 2.x puts the line number in desc. SunOS apparently puts in the @@ -999,13 +1090,15 @@ define_symbol (valu, string, desc, type) switch (string[1]) { case 't': - SYMBOL_NAME (sym) = "this"; + SYMBOL_NAME (sym) = obsavestring ("this", strlen ("this"), + &objfile -> symbol_obstack); break; case 'v': /* $vtbl_ptr_type */ /* Was: SYMBOL_NAME (sym) = "vptr"; */ goto normal; case 'e': - SYMBOL_NAME (sym) = "eh_throw"; + SYMBOL_NAME (sym) = obsavestring ("eh_throw", strlen ("eh_throw"), + &objfile -> symbol_obstack); break; case '_': @@ -1020,7 +1113,7 @@ define_symbol (valu, string, desc, type) { normal: SYMBOL_NAME (sym) - = (char *) obstack_alloc (symbol_obstack, ((p - string) + 1)); + = (char *) obstack_alloc (&objfile -> symbol_obstack, ((p - string) + 1)); /* Open-coded bcopy--saves function call time. */ { register char *p1 = string; @@ -1061,9 +1154,11 @@ define_symbol (valu, string, desc, type) double d = atof (p); char *dbl_valu; - SYMBOL_TYPE (sym) = builtin_type_double; - dbl_valu = - (char *) obstack_alloc (symbol_obstack, sizeof (double)); + SYMBOL_TYPE (sym) = lookup_fundamental_type (objfile, + FT_DBL_PREC_FLOAT); + dbl_valu = (char *) + obstack_alloc (&objfile -> type_obstack, + sizeof (double)); memcpy (dbl_valu, &d, sizeof (double)); SWAP_TARGET_AND_HOST (dbl_valu, sizeof (double)); SYMBOL_VALUE_BYTES (sym) = dbl_valu; @@ -1072,7 +1167,8 @@ define_symbol (valu, string, desc, type) break; case 'i': { - SYMBOL_TYPE (sym) = builtin_type_int; + SYMBOL_TYPE (sym) = lookup_fundamental_type (objfile, + FT_INTEGER); SYMBOL_VALUE (sym) = atoi (p); SYMBOL_CLASS (sym) = LOC_CONST; } @@ -1112,7 +1208,7 @@ define_symbol (valu, string, desc, type) { p++; SYMBOL_TYPE (sym) - = lookup_pointer_type (lookup_function_type (read_type (&p))); + = lookup_pointer_type (lookup_function_type (read_type (&p, objfile))); } else { @@ -1123,7 +1219,8 @@ define_symbol (valu, string, desc, type) { p += 1; type_synonym_name = obsavestring (SYMBOL_NAME (sym), - strlen (SYMBOL_NAME (sym))); + strlen (SYMBOL_NAME (sym)), + &objfile -> symbol_obstack); } /* Here we save the name of the symbol for read_range_type, which @@ -1134,7 +1231,7 @@ define_symbol (valu, string, desc, type) save away the name so that far away from here in read_range_type, we can examine it to decide between "int" and "long". FIXME. */ long_kludge_name = SYMBOL_NAME (sym); - type_read = read_type (&p); + type_read = read_type (&p, objfile); if ((deftype == 'F' || deftype == 'f') && TYPE_CODE (type_read) != TYPE_CODE_FUNC) @@ -1142,13 +1239,15 @@ define_symbol (valu, string, desc, type) #if 0 /* This code doesn't work -- it needs to realloc and can't. */ struct type *new = (struct type *) - obstack_alloc (symbol_obstack, sizeof (struct type)); + obstack_alloc (&objfile -> type_obstack, + sizeof (struct type)); /* Generate a template for the type of this function. The types of the arguments will be added as we read the symbol table. */ *new = *lookup_function_type (type_read); SYMBOL_TYPE(sym) = new; + TYPE_OBJFILE (new) = objfile; in_function_type = new; #else SYMBOL_TYPE (sym) = lookup_function_type (type_read); @@ -1254,23 +1353,27 @@ define_symbol (valu, string, desc, type) be passed on an integer boundary, don't believe it! Offset the parameter's address to the tail-end of that integer. */ - if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (builtin_type_int) - && TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_INT - && 0 == SYMBOL_VALUE (sym) % TYPE_LENGTH (builtin_type_int)) { - SYMBOL_VALUE (sym) += TYPE_LENGTH (builtin_type_int) - - TYPE_LENGTH (SYMBOL_TYPE (sym)); - } + temptype = lookup_fundamental_type (objfile, FT_INTEGER); + if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (temptype) + && TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_INT + && 0 == SYMBOL_VALUE (sym) % TYPE_LENGTH (temptype)) + { + SYMBOL_VALUE (sym) += TYPE_LENGTH (temptype) + - TYPE_LENGTH (SYMBOL_TYPE (sym)); + } break; #else /* no BELIEVE_PCC_PROMOTION_TYPE. */ /* If PCC says a parameter is a short or a char, it is really an int. */ - if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (builtin_type_int) - && TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_INT) { - SYMBOL_TYPE (sym) = TYPE_UNSIGNED (SYMBOL_TYPE (sym))? - builtin_type_unsigned_int: - builtin_type_int; + temptype = lookup_fundamental_type (objfile, FT_INTEGER); + if (TYPE_LENGTH (SYMBOL_TYPE (sym)) < TYPE_LENGTH (temptype) + && TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_INT) + { + SYMBOL_TYPE (sym) = TYPE_UNSIGNED (SYMBOL_TYPE (sym)) + ? lookup_fundamental_type (objfile, FT_UNSIGNED_INTEGER) + : temptype; } break; @@ -1302,11 +1405,11 @@ define_symbol (valu, string, desc, type) SYMBOL_CLASS (sym) = LOC_TYPEDEF; SYMBOL_VALUE (sym) = valu; SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE; - if (TYPE_NAME (SYMBOL_TYPE (sym)) == 0 - && (TYPE_FLAGS (SYMBOL_TYPE (sym)) & TYPE_FLAG_PERM) == 0) + if (TYPE_NAME (SYMBOL_TYPE (sym)) == NULL) TYPE_NAME (SYMBOL_TYPE (sym)) = obsavestring (SYMBOL_NAME (sym), - strlen (SYMBOL_NAME (sym))); + strlen (SYMBOL_NAME (sym)), + &objfile -> symbol_obstack); /* C++ vagaries: we may have a type which is derived from a base type which did not have its name defined when the derived class was output. We fill in the derived class's @@ -1329,10 +1432,9 @@ define_symbol (valu, string, desc, type) SYMBOL_CLASS (sym) = LOC_TYPEDEF; SYMBOL_VALUE (sym) = valu; SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE; - if (TYPE_NAME (SYMBOL_TYPE (sym)) == 0 - && (TYPE_FLAGS (SYMBOL_TYPE (sym)) & TYPE_FLAG_PERM) == 0) + if (TYPE_NAME (SYMBOL_TYPE (sym)) == 0) TYPE_NAME (SYMBOL_TYPE (sym)) - = obconcat ("", + = obconcat (&objfile -> type_obstack, "", (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_ENUM ? "enum " : (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_STRUCT @@ -1342,8 +1444,9 @@ define_symbol (valu, string, desc, type) if (synonym) { - register struct symbol *typedef_sym - = (struct symbol *) obstack_alloc (symbol_obstack, sizeof (struct symbol)); + register struct symbol *typedef_sym = (struct symbol *) + obstack_alloc (&objfile -> type_obstack, + sizeof (struct symbol)); SYMBOL_NAME (typedef_sym) = SYMBOL_NAME (sym); SYMBOL_TYPE (typedef_sym) = SYMBOL_TYPE (sym); @@ -1399,7 +1502,7 @@ add_undefined_type (type) { undef_types_allocated *= 2; undef_types = (struct type **) - xrealloc (undef_types, + xrealloc ((char *) undef_types, undef_types_allocated * sizeof (struct type *)); } undef_types[undef_types_length++] = type; @@ -1550,8 +1653,9 @@ error_type (pp) follows the =. */ struct type * -read_type (pp) +read_type (pp, objfile) register char **pp; + struct objfile *objfile; { register struct type *type = 0; struct type *type1; @@ -1570,7 +1674,7 @@ read_type (pp) or this is a forward reference to it. dbx_alloc_type handles both cases. */ if (**pp != '=') - return dbx_alloc_type (typenums); + return dbx_alloc_type (typenums, objfile); /* Type is being defined here. */ #if 0 /* Callers aren't prepared for a NULL result! FIXME -- metin! */ @@ -1638,7 +1742,7 @@ read_type (pp) } to = type_name = (char *) - obstack_alloc (symbol_obstack, + obstack_alloc (&objfile -> type_obstack, (strlen (prefix) + ((char *) strchr (*pp, ':') - (*pp)) + 1)); @@ -1694,7 +1798,7 @@ read_type (pp) && (TYPE_CODE (SYMBOL_TYPE (sym)) == code) && !strcmp (SYMBOL_NAME (sym), type_name_only)) { - obstack_free (symbol_obstack, type_name); + obstack_free (&objfile -> type_obstack, type_name); type = SYMBOL_TYPE (sym); return type; } @@ -1705,7 +1809,7 @@ read_type (pp) structure for it, and keep track of it so we can fill in the rest of the fields when we get the full type. */ - type = dbx_alloc_type (typenums); + type = dbx_alloc_type (typenums, objfile); TYPE_CODE (type) = code; TYPE_NAME (type) = type_name; INIT_CPLUS_SPECIFIC(type); @@ -1738,13 +1842,13 @@ read_type (pp) after_digits: if (type == 0) - type = builtin_type_void; + type = lookup_fundamental_type (objfile, FT_VOID); if (typenums[0] != -1) *dbx_lookup_type (typenums) = type; break; case '*': - type1 = read_type (pp); + type1 = read_type (pp, objfile); /* FIXME -- we should be doing smash_to_XXX types here. */ #if 0 /* postponed type decoration should be allowed. */ @@ -1761,7 +1865,7 @@ read_type (pp) case '@': { - struct type *domain = read_type (pp); + struct type *domain = read_type (pp, objfile); struct type *memtype; if (**pp != ',') @@ -1769,8 +1873,8 @@ read_type (pp) return error_type (pp); ++*pp; - memtype = read_type (pp); - type = dbx_alloc_type (typenums); + memtype = read_type (pp, objfile); + type = dbx_alloc_type (typenums, objfile); smash_to_member_type (type, domain, memtype); } break; @@ -1782,16 +1886,16 @@ read_type (pp) struct type *return_type; *pp += 1; - return_type = read_type (pp); + return_type = read_type (pp, objfile); if (*(*pp)++ != ';') - complain (&invalid_member_complaint, symnum); + complain (&invalid_member_complaint, (char *) symnum); type = allocate_stub_method (return_type); if (typenums[0] != -1) *dbx_lookup_type (typenums) = type; } else { - struct type *domain = read_type (pp); + struct type *domain = read_type (pp, objfile); struct type *return_type; struct type **args; @@ -1799,51 +1903,51 @@ read_type (pp) error ("invalid member type data format, at symtab pos %d.", symnum); - return_type = read_type (pp); - args = read_args (pp, ';'); - type = dbx_alloc_type (typenums); + return_type = read_type (pp, objfile); + args = read_args (pp, ';', objfile); + type = dbx_alloc_type (typenums, objfile); smash_to_method_type (type, domain, return_type, args); } break; case '&': - type1 = read_type (pp); + type1 = read_type (pp, objfile); type = lookup_reference_type (type1); if (typenums[0] != -1) *dbx_lookup_type (typenums) = type; break; case 'f': - type1 = read_type (pp); + type1 = read_type (pp, objfile); type = lookup_function_type (type1); if (typenums[0] != -1) *dbx_lookup_type (typenums) = type; break; case 'r': - type = read_range_type (pp, typenums); + type = read_range_type (pp, typenums, objfile); if (typenums[0] != -1) *dbx_lookup_type (typenums) = type; break; case 'e': - type = dbx_alloc_type (typenums); - type = read_enum_type (pp, type); + type = dbx_alloc_type (typenums, objfile); + type = read_enum_type (pp, type, objfile); *dbx_lookup_type (typenums) = type; break; case 's': - type = dbx_alloc_type (typenums); + type = dbx_alloc_type (typenums, objfile); TYPE_NAME (type) = type_synonym_name; type_synonym_name = 0; - type = read_struct_type (pp, type); + type = read_struct_type (pp, type, objfile); break; case 'u': - type = dbx_alloc_type (typenums); + type = dbx_alloc_type (typenums, objfile); TYPE_NAME (type) = type_synonym_name; type_synonym_name = 0; - type = read_struct_type (pp, type); + type = read_struct_type (pp, type, objfile); TYPE_CODE (type) = TYPE_CODE_UNION; break; @@ -1852,8 +1956,8 @@ read_type (pp) return error_type (pp); ++*pp; - type = dbx_alloc_type (typenums); - type = read_array_type (pp, type); + type = dbx_alloc_type (typenums, objfile); + type = read_array_type (pp, type, objfile); break; default: @@ -1885,10 +1989,11 @@ read_type (pp) /* Read the description of a structure (or union type) and return an object describing the type. */ -struct type * -read_struct_type (pp, type) +static struct type * +read_struct_type (pp, type, objfile) char **pp; register struct type *type; + struct objfile *objfile; { /* Total number of methods defined in this class. If the class defines two `f' methods, and one `g' method, @@ -1958,7 +2063,8 @@ read_struct_type (pp, type) n_baseclasses = read_number (pp, ','); TYPE_FIELD_VIRTUAL_BITS (type) = - (B_TYPE *) obstack_alloc (symbol_obstack, B_BYTES (n_baseclasses)); + (B_TYPE *) obstack_alloc (&objfile -> type_obstack, + B_BYTES (n_baseclasses)); B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), n_baseclasses); for (i = 0; i < n_baseclasses; i++) @@ -2001,7 +2107,7 @@ read_struct_type (pp, type) this baseclass. Always zero in the absence of multiple inheritance. */ offset = read_number (pp, ','); - baseclass = read_type (pp); + baseclass = read_type (pp, objfile); *pp += 1; /* skip trailing ';' */ /* Make this baseclass visible for structure-printing purposes. */ @@ -2066,18 +2172,19 @@ read_struct_type (pp, type) break; } *pp = p + 1; - context = read_type (pp); + context = read_type (pp, objfile); name = type_name_no_tag (context); if (name == 0) { - complain (&invalid_cpp_type_complaint, symnum); + complain (&invalid_cpp_type_complaint, (char *) symnum); TYPE_NAME (context) = name; } - list->field.name = obconcat (prefix, name, ""); + list->field.name = obconcat (&objfile -> type_obstack, + prefix, name, ""); p = ++(*pp); if (p[-1] != ':') complain (&invalid_cpp_abbrev_complaint, *pp); - list->field.type = read_type (pp); + list->field.type = read_type (pp, objfile); (*pp)++; /* Skip the comma. */ list->field.bitpos = read_number (pp, ';'); /* This field is unpacked. */ @@ -2096,7 +2203,8 @@ read_struct_type (pp, type) } while (*p != ':') p++; - list->field.name = obsavestring (*pp, p - *pp); + list->field.name = obsavestring (*pp, p - *pp, + &objfile -> type_obstack); /* C++: Check to see if we have hit the methods yet. */ if (p[1] == ':') @@ -2130,7 +2238,7 @@ read_struct_type (pp, type) else /* normal dbx-style format. */ list->visibility = 2; /* public */ - list->field.type = read_type (pp); + list->field.type = read_type (pp, objfile); if (**pp == ':') { /* Static class member. */ @@ -2191,7 +2299,7 @@ read_struct_type (pp, type) if ((list->field.bitsize == 8 * TYPE_LENGTH (list->field.type) || (TYPE_CODE (list->field.type) == TYPE_CODE_ENUM && (list->field.bitsize - == 8 * TYPE_LENGTH (builtin_type_int)) + == 8 * TYPE_LENGTH (lookup_fundamental_type (objfile, FT_INTEGER))) ) ) && @@ -2211,19 +2319,21 @@ read_struct_type (pp, type) for this class's virtual functions. */ TYPE_NFIELDS (type) = nfields; - TYPE_FIELDS (type) = (struct field *) obstack_alloc (symbol_obstack, - sizeof (struct field) * nfields); + TYPE_FIELDS (type) = (struct field *) + obstack_alloc (&objfile -> type_obstack, sizeof (struct field) * nfields); if (non_public_fields) { ALLOCATE_CPLUS_STRUCT_TYPE (type); TYPE_FIELD_PRIVATE_BITS (type) = - (B_TYPE *) obstack_alloc (symbol_obstack, B_BYTES (nfields)); + (B_TYPE *) obstack_alloc (&objfile -> type_obstack, + B_BYTES (nfields)); B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields); TYPE_FIELD_PROTECTED_BITS (type) = - (B_TYPE *) obstack_alloc (symbol_obstack, B_BYTES (nfields)); + (B_TYPE *) obstack_alloc (&objfile -> type_obstack, + B_BYTES (nfields)); B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields); } @@ -2311,7 +2421,7 @@ read_struct_type (pp, type) { if (**pp == '\\') *pp = next_symbol_text (); - new_sublist->fn_field.type = read_type (pp); + new_sublist->fn_field.type = read_type (pp, objfile); if (**pp != ':') /* Invalid symtab info for method. */ return error_type (pp); @@ -2372,7 +2482,7 @@ read_struct_type (pp, type) case '.': break; default: - complain(&const_vol_complaint, **pp); + complain (&const_vol_complaint, (char *) (long) **pp); break; } @@ -2399,7 +2509,7 @@ read_struct_type (pp, type) /* Figure out from whence this virtual function came. It may belong to virtual function table of one of its baseclasses. */ - look_ahead_type = read_type (pp); + look_ahead_type = read_type (pp, objfile); if (**pp == ':') { /* g++ version 1 overloaded methods. */ } else @@ -2424,7 +2534,7 @@ read_struct_type (pp, type) default: /* error */ - complain (&member_fn_complaint, (*pp)[-1]); + complain (&member_fn_complaint, (char *) (long) (*pp)[-1]); /* Fall through into normal member function. */ case '.': @@ -2444,7 +2554,7 @@ read_struct_type (pp, type) *pp += 1; new_mainlist->fn_fieldlist.fn_fields = - (struct fn_field *) obstack_alloc (symbol_obstack, + (struct fn_field *) obstack_alloc (&objfile -> type_obstack, sizeof (struct fn_field) * length); for (i = length; (i--, sublist); sublist = sublist->next) new_mainlist->fn_fieldlist.fn_fields[i] = sublist->fn_field; @@ -2464,8 +2574,8 @@ read_struct_type (pp, type) if (nfn_fields) { TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *) - obstack_alloc (symbol_obstack, - sizeof (struct fn_fieldlist) * nfn_fields); + obstack_alloc (&objfile -> type_obstack, + sizeof (struct fn_fieldlist) * nfn_fields); TYPE_NFN_FIELDS (type) = nfn_fields; TYPE_NFN_FIELDS_TOTAL (type) = total_length; } @@ -2537,7 +2647,7 @@ read_struct_type (pp, type) } #endif - t = read_type (pp); + t = read_type (pp, objfile); p = (*pp)++; while (*p != '\0' && *p != ';') p++; @@ -2587,10 +2697,11 @@ read_struct_type (pp, type) and create and return a suitable type object. Also creates a range type which represents the bounds of that array. */ -struct type * -read_array_type (pp, type) +static struct type * +read_array_type (pp, type, objfile) register char **pp; register struct type *type; + struct objfile *objfile; { struct type *index_type, *element_type, *range_type; int lower, upper; @@ -2603,7 +2714,7 @@ read_array_type (pp, type) Fortran adjustable arrays use Adigits or Tdigits for lower or upper; for these, produce a type like float[][]. */ - index_type = read_type (pp); + index_type = read_type (pp, objfile); if (**pp != ';') /* Improper format of array type decl. */ return error_type (pp); @@ -2623,7 +2734,7 @@ read_array_type (pp, type) } upper = read_number (pp, ';'); - element_type = read_type (pp); + element_type = read_type (pp, objfile); if (adjustable) { @@ -2633,8 +2744,10 @@ read_array_type (pp, type) { /* Create range type. */ - range_type = (struct type *) obstack_alloc (symbol_obstack, - sizeof (struct type)); + range_type = (struct type *) + obstack_alloc (&objfile -> type_obstack, sizeof (struct type)); + bzero (range_type, sizeof (struct type)); + TYPE_OBJFILE (range_type) = objfile; TYPE_CODE (range_type) = TYPE_CODE_RANGE; TYPE_TARGET_TYPE (range_type) = index_type; @@ -2643,7 +2756,7 @@ read_array_type (pp, type) TYPE_NFIELDS (range_type) = 2; TYPE_FIELDS (range_type) = - (struct field *) obstack_alloc (symbol_obstack, + (struct field *) obstack_alloc (&objfile -> type_obstack, 2 * sizeof (struct field)); TYPE_FIELD_BITPOS (range_type, 0) = lower; TYPE_FIELD_BITPOS (range_type, 1) = upper; @@ -2654,7 +2767,7 @@ read_array_type (pp, type) TYPE_LENGTH (type) = (upper - lower + 1) * TYPE_LENGTH (element_type); TYPE_NFIELDS (type) = 1; TYPE_FIELDS (type) = - (struct field *) obstack_alloc (symbol_obstack, + (struct field *) obstack_alloc (&objfile -> type_obstack, sizeof (struct field)); TYPE_FIELD_TYPE (type, 0) = range_type; @@ -2671,10 +2784,11 @@ read_array_type (pp, type) and create and return a suitable type object. Also defines the symbols that represent the values of the type. */ -struct type * -read_enum_type (pp, type) +static struct type * +read_enum_type (pp, type, objfile) register char **pp; register struct type *type; + struct objfile *objfile; { register char *p; char *name; @@ -2694,7 +2808,7 @@ read_enum_type (pp, type) /* Read the value-names and their values. The input syntax is NAME:VALUE,NAME:VALUE, and so on. - A semicolon or comman instead of a NAME means the end. */ + A semicolon or comma instead of a NAME means the end. */ while (**pp && **pp != ';' && **pp != ',') { /* Check for and handle cretinous dbx symbol name continuation! */ @@ -2702,11 +2816,11 @@ read_enum_type (pp, type) p = *pp; while (*p != ':') p++; - name = obsavestring (*pp, p - *pp); + name = obsavestring (*pp, p - *pp, &objfile -> symbol_obstack); *pp = p + 1; n = read_number (pp, ','); - sym = (struct symbol *) obstack_alloc (symbol_obstack, sizeof (struct symbol)); + sym = (struct symbol *) obstack_alloc (&objfile -> symbol_obstack, sizeof (struct symbol)); bzero (sym, sizeof (struct symbol)); SYMBOL_NAME (sym) = name; SYMBOL_CLASS (sym) = LOC_CONST; @@ -2724,7 +2838,9 @@ read_enum_type (pp, type) TYPE_LENGTH (type) = sizeof (int); TYPE_CODE (type) = TYPE_CODE_ENUM; TYPE_NFIELDS (type) = nsyms; - TYPE_FIELDS (type) = (struct field *) obstack_alloc (symbol_obstack, sizeof (struct field) * nsyms); + TYPE_FIELDS (type) = (struct field *) + obstack_alloc (&objfile -> type_obstack, + sizeof (struct field) * nsyms); /* Find the symbols for the values and put them into the type. The symbols can be found in the symlist that we put them on @@ -2778,7 +2894,7 @@ read_enum_type (pp, type) If encounter garbage, set *BITS to -1. */ -void +static void read_huge_number (pp, end, valu, bits) char **pp; int end; @@ -2882,10 +2998,11 @@ read_huge_number (pp, end, valu, bits) #define MAX_OF_C_TYPE(t) ((1 << (sizeof (t)*8 - 1)) - 1) #define MIN_OF_C_TYPE(t) (-(1 << (sizeof (t)*8 - 1))) -struct type * -read_range_type (pp, typenums) +static struct type * +read_range_type (pp, typenums, objfile) char **pp; int typenums[2]; + struct objfile *objfile; { int rangenums[2]; long n2, n3; @@ -2935,15 +3052,17 @@ read_range_type (pp, typenums) /* Check for "long long". */ if (got_signed && nbits == TARGET_LONG_LONG_BIT) - return builtin_type_long_long; + return (lookup_fundamental_type (objfile, FT_LONG_LONG)); if (got_unsigned && nbits == TARGET_LONG_LONG_BIT) - return builtin_type_unsigned_long_long; + return (lookup_fundamental_type (objfile, FT_UNSIGNED_LONG_LONG)); if (got_signed || got_unsigned) { - result_type = (struct type *) obstack_alloc (symbol_obstack, - sizeof (struct type)); + result_type = (struct type *) + obstack_alloc (&objfile -> type_obstack, + sizeof (struct type)); bzero (result_type, sizeof (struct type)); + TYPE_OBJFILE (result_type) = objfile; TYPE_LENGTH (result_type) = nbits / TARGET_CHAR_BIT; TYPE_CODE (result_type) = TYPE_CODE_INT; if (got_unsigned) @@ -2956,7 +3075,7 @@ read_range_type (pp, typenums) /* A type defined as a subrange of itself, with bounds both 0, is void. */ if (self_subrange && n2 == 0 && n3 == 0) - return builtin_type_void; + return (lookup_fundamental_type (objfile, FT_VOID)); /* If n3 is zero and n2 is not, we want a floating type, and n2 is the width in bytes. @@ -2972,8 +3091,8 @@ read_range_type (pp, typenums) if (n3 == 0 && n2 > 0) { if (n2 == sizeof (float)) - return builtin_type_float; - return builtin_type_double; + return (lookup_fundamental_type (objfile, FT_FLOAT)); + return (lookup_fundamental_type (objfile, FT_DBL_PREC_FLOAT)); } /* If the upper bound is -1, it must really be an unsigned int. */ @@ -2986,15 +3105,15 @@ read_range_type (pp, typenums) long_kludge_name && ((long_kludge_name[0] == 'u' /* unsigned */ && long_kludge_name[9] == 'l' /* long */) || (long_kludge_name[0] == 'l' /* long unsigned */))) - return builtin_type_unsigned_long; + return (lookup_fundamental_type (objfile, FT_UNSIGNED_LONG)); else - return builtin_type_unsigned_int; + return (lookup_fundamental_type (objfile, FT_UNSIGNED_INTEGER)); } /* Special case: char is defined (Who knows why) as a subrange of itself with range 0-127. */ else if (self_subrange && n2 == 0 && n3 == 127) - return builtin_type_char; + return (lookup_fundamental_type (objfile, FT_CHAR)); /* Assumptions made here: Subrange of self is equivalent to subrange of int. FIXME: Host and target type-sizes assumed the same. */ @@ -3002,12 +3121,12 @@ read_range_type (pp, typenums) some type to a builtin type with ==. Fix it! */ else if (n2 == 0 && (self_subrange || - *dbx_lookup_type (rangenums) == builtin_type_int)) + *dbx_lookup_type (rangenums) == lookup_fundamental_type (objfile, FT_INTEGER))) { /* an unsigned type */ #ifdef LONG_LONG if (n3 == - sizeof (long long)) - return builtin_type_unsigned_long_long; + return (lookup_fundamental_type (objfile, FT_UNSIGNED_LONG_LONG)); #endif /* FIXME -- the only way to distinguish `unsigned int' from `unsigned long' is to look at its name! */ @@ -3015,17 +3134,17 @@ read_range_type (pp, typenums) long_kludge_name && ((long_kludge_name[0] == 'u' /* unsigned */ && long_kludge_name[9] == 'l' /* long */) || (long_kludge_name[0] == 'l' /* long unsigned */))) - return builtin_type_unsigned_long; + return (lookup_fundamental_type (objfile, FT_UNSIGNED_LONG)); if (n3 == (unsigned int)~0L) - return builtin_type_unsigned_int; + return (lookup_fundamental_type (objfile, FT_UNSIGNED_INTEGER)); if (n3 == (unsigned short)~0L) - return builtin_type_unsigned_short; + return (lookup_fundamental_type (objfile, FT_UNSIGNED_SHORT)); if (n3 == (unsigned char)~0L) - return builtin_type_unsigned_char; + return (lookup_fundamental_type (objfile, FT_UNSIGNED_CHAR)); } #ifdef LONG_LONG else if (n3 == 0 && n2 == -sizeof (long long)) - return builtin_type_long_long; + return (lookup_fundamental_type (objfile, FT_LONG_LONG)); #endif else if (n2 == -n3 -1) { @@ -3034,13 +3153,13 @@ read_range_type (pp, typenums) at its name! */ if ((n3 == (1 << (8 * sizeof (long) - 1)) - 1) && long_kludge_name && long_kludge_name[0] == 'l' /* long */) - return builtin_type_long; + return (lookup_fundamental_type (objfile, FT_LONG)); if (n3 == (1 << (8 * sizeof (int) - 1)) - 1) - return builtin_type_int; + return (lookup_fundamental_type (objfile, FT_INTEGER)); if (n3 == (1 << (8 * sizeof (short) - 1)) - 1) - return builtin_type_short; + return (lookup_fundamental_type (objfile, FT_SHORT)); if (n3 == (1 << (8 * sizeof (char) - 1)) - 1) - return builtin_type_char; + return (lookup_fundamental_type (objfile, FT_CHAR)); } /* We have a real range type on our hands. Allocate space and @@ -3052,22 +3171,23 @@ read_range_type (pp, typenums) if (self_subrange) return error_type (pp); - result_type = (struct type *) obstack_alloc (symbol_obstack, - sizeof (struct type)); + result_type = (struct type *) + obstack_alloc (&objfile -> type_obstack, sizeof (struct type)); bzero (result_type, sizeof (struct type)); + TYPE_OBJFILE (result_type) = objfile; TYPE_CODE (result_type) = TYPE_CODE_RANGE; TYPE_TARGET_TYPE (result_type) = *dbx_lookup_type(rangenums); if (TYPE_TARGET_TYPE (result_type) == 0) { - complain (&range_type_base_complaint, rangenums[1]); - TYPE_TARGET_TYPE (result_type) = builtin_type_int; + complain (&range_type_base_complaint, (char *) rangenums[1]); + TYPE_TARGET_TYPE (result_type) = lookup_fundamental_type (objfile, FT_INTEGER); } TYPE_NFIELDS (result_type) = 2; TYPE_FIELDS (result_type) = - (struct field *) obstack_alloc (symbol_obstack, - 2 * sizeof (struct field)); + (struct field *) obstack_alloc (&objfile -> type_obstack, + 2 * sizeof (struct field)); bzero (TYPE_FIELDS (result_type), 2 * sizeof (struct field)); TYPE_FIELD_BITPOS (result_type, 0) = n2; TYPE_FIELD_BITPOS (result_type, 1) = n3; @@ -3124,10 +3244,11 @@ read_number (pp, end) /* Read in an argument list. This is a list of types, separated by commas and terminated with END. Return the list of types read in, or (struct type **)-1 if there is an error. */ -struct type ** -read_args (pp, end) +static struct type ** +read_args (pp, end, objfile) char **pp; int end; + struct objfile *objfile; { /* FIXME! Remove this arbitrary limit! */ struct type *types[1024], **rval; /* allow for fns of 1023 parameters */ @@ -3144,7 +3265,7 @@ read_args (pp, end) if (**pp == '\\') *pp = next_symbol_text (); - types[n++] = read_type (pp); + types[n++] = read_type (pp, objfile); } *pp += 1; /* get past `end' (the ':' character) */ diff --git a/gdb/buildsym.h b/gdb/buildsym.h index e9d33a8..b47fbb8 100644 --- a/gdb/buildsym.h +++ b/gdb/buildsym.h @@ -17,6 +17,9 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#if !defined (BUILDSYM_H) +#define BUILDSYM_H 1 + /* This module provides definitions used for creating and adding to the symbol table. These routines are called from various symbol- file-reading routines. @@ -33,36 +36,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define EXTERN extern #endif -extern void add_symbol_to_list (); -struct symbol *find_symbol_in_list (); -extern void read_type_number (); -extern struct type *read_type (); -extern struct type *read_range_type (); -extern struct type *read_enum_type (); -extern struct type *read_struct_type (); -extern struct type *read_array_type (); -extern struct type **read_args (); -extern struct type **dbx_lookup_type (); -extern long read_number (); -extern void finish_block (); -extern struct blockvector *make_blockvector (); -extern void add_undefined_type (); -extern void really_free_pendings (); -extern void start_subfile (); -extern void push_subfile (); -extern char *pop_subfile (); -extern struct symtab *end_symtab (); -extern void scan_file_globals (); -extern void buildsym_new_init (); -extern void buildsym_init (); -extern struct context_stack *push_context (); -extern void record_line (); -extern void start_symtab (); -extern struct symbol *define_symbol (); -extern struct partial_symtab *start_psymtab (); -extern void end_psymtab(); - - /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */ #ifndef STAB_REG_TO_REGNUM @@ -309,4 +282,82 @@ extern struct complaint unknown_symtype_complaint; /* Function to invoke get the next symbol. Return the symbol name. */ -EXTERN char * (*next_symbol_text_func)(); +EXTERN char *(*next_symbol_text_func) PARAMS ((void)); + +extern void +add_symbol_to_list PARAMS ((struct symbol *, struct pending **)); + +extern struct symbol * +find_symbol_in_list PARAMS ((struct pending *, char *, int)); + +extern void +read_type_number PARAMS ((char **, int *)); + +extern struct type * +read_type PARAMS ((char **, struct objfile *)); + +extern struct type ** +dbx_lookup_type PARAMS ((int [2])); + +extern long +read_number PARAMS ((char **, int)); + +extern void +finish_block PARAMS ((struct symbol *, struct pending **, + struct pending_block *, CORE_ADDR, CORE_ADDR, + struct objfile *)); + +extern void +add_undefined_type PARAMS ((struct type *)); + +extern void +really_free_pendings PARAMS ((int foo)); + +extern void +start_subfile PARAMS ((char *, char *)); + +extern void +push_subfile PARAMS ((void)); + +extern char * +pop_subfile PARAMS ((void)); + +extern struct symtab * +end_symtab PARAMS ((CORE_ADDR, int, int,struct objfile *)); + +extern void +scan_file_globals PARAMS ((struct objfile *)); + +extern void +buildsym_new_init PARAMS ((void)); + +extern void +buildsym_init PARAMS ((void)); + +extern struct context_stack * +push_context PARAMS ((int, CORE_ADDR)); + +extern void +record_line PARAMS ((struct subfile *, int, CORE_ADDR)); + +extern void +start_symtab PARAMS ((char *, char *, CORE_ADDR)); + +extern struct symbol * +define_symbol PARAMS ((unsigned int, char *, int, int, struct objfile *)); + +extern struct partial_symtab * +start_psymtab PARAMS ((struct objfile *, CORE_ADDR, char *, CORE_ADDR, int, + struct partial_symbol *, struct partial_symbol *)); + +extern void +end_psymtab PARAMS ((struct partial_symtab *, char **, int, int, CORE_ADDR, + struct partial_symtab **, int)); + +extern void +process_one_symbol PARAMS ((int, int, CORE_ADDR, char *, int)); + +extern int +hashname PARAMS ((char *)); + +#endif /* defined (BUILDSYM_H) */ diff --git a/gdb/c-exp.y b/gdb/c-exp.y index ea41e64..dc10d2b 100644 --- a/gdb/c-exp.y +++ b/gdb/c-exp.y @@ -32,6 +32,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <string.h> #include "defs.h" #include "symtab.h" +#include "gdbtypes.h" #include "frame.h" #include "expression.h" #include "parser-defs.h" @@ -68,10 +69,17 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define yyval c_val #define yylloc c_lloc -/* Forward decls */ -void yyerror (); -static int parse_number (); -int yyparse (); +static void +__yy_bcopy PARAMS ((char *, char *, int)); + +int +yyparse PARAMS ((void)); + +int +yylex PARAMS ((void)); + +void +yyerror PARAMS ((char *)); /* #define YYDEBUG 1 */ @@ -100,6 +108,12 @@ int yyparse (); int *ivec; } +%{ +/* YYSTYPE gets defined by %union */ +static int +parse_number PARAMS ((char *, int, int, YYSTYPE *)); +%} + %type <voidval> exp exp1 type_exp start variable %type <tval> type typebase %type <tvec> nonempty_typelist @@ -564,7 +578,7 @@ variable: typebase COLONCOLON name { char *name = copy_name ($2); struct symbol *sym; - int i; + struct minimal_symbol *msymbol; sym = lookup_symbol (name, 0, VAR_NAMESPACE, 0, NULL); @@ -575,31 +589,27 @@ variable: typebase COLONCOLON name write_exp_elt_opcode (OP_VAR_VALUE); break; } - for (i = 0; i < misc_function_count; i++) - if (!strcmp (misc_function_vector[i].name, name)) - break; - if (i < misc_function_count) + msymbol = lookup_minimal_symbol (name, + (struct objfile *) NULL); + if (msymbol != NULL) { - enum misc_function_type mft = - misc_function_vector[i].type; - write_exp_elt_opcode (OP_LONG); write_exp_elt_type (builtin_type_int); - write_exp_elt_longcst ((LONGEST) misc_function_vector[i].address); + write_exp_elt_longcst ((LONGEST) msymbol -> address); write_exp_elt_opcode (OP_LONG); write_exp_elt_opcode (UNOP_MEMVAL); - if (mft == mf_data || mft == mf_bss) + if (msymbol -> type == mst_data || + msymbol -> type == mst_bss) write_exp_elt_type (builtin_type_int); - else if (mft == mf_text) + else if (msymbol -> type == mst_text) write_exp_elt_type (lookup_function_type (builtin_type_int)); else write_exp_elt_type (builtin_type_char); write_exp_elt_opcode (UNOP_MEMVAL); } else - if (symtab_list == 0 - && partial_symtab_list == 0) + if (!have_full_symbols () && !have_partial_symbols ()) error ("No symbol table is loaded. Use the \"file\" command."); else error ("No symbol \"%s\" in current context.", name); @@ -662,35 +672,28 @@ variable: name_not_typename } else { - register int i; + struct minimal_symbol *msymbol; register char *arg = copy_name ($1.stoken); - /* FIXME, this search is linear! At least - optimize the strcmp with a 1-char cmp... */ - for (i = 0; i < misc_function_count; i++) - if (!strcmp (misc_function_vector[i].name, arg)) - break; - - if (i < misc_function_count) + msymbol = lookup_minimal_symbol (arg, + (struct objfile *) NULL); + if (msymbol != NULL) { - enum misc_function_type mft = - misc_function_vector[i].type; - write_exp_elt_opcode (OP_LONG); write_exp_elt_type (builtin_type_int); - write_exp_elt_longcst ((LONGEST) misc_function_vector[i].address); + write_exp_elt_longcst ((LONGEST) msymbol -> address); write_exp_elt_opcode (OP_LONG); write_exp_elt_opcode (UNOP_MEMVAL); - if (mft == mf_data || mft == mf_bss) + if (msymbol -> type == mst_data || + msymbol -> type == mst_bss) write_exp_elt_type (builtin_type_int); - else if (mft == mf_text) + else if (msymbol -> type == mst_text) write_exp_elt_type (lookup_function_type (builtin_type_int)); else write_exp_elt_type (builtin_type_char); write_exp_elt_opcode (UNOP_MEMVAL); } - else if (symtab_list == 0 - && partial_symtab_list == 0) + else if (!have_full_symbols () && !have_partial_symbols ()) error ("No symbol table is loaded. Use the \"file\" command."); else error ("No symbol \"%s\" in current context.", @@ -869,7 +872,7 @@ nonempty_typelist } | nonempty_typelist ',' type { int len = sizeof (struct type *) * ++($<ivec>1[0]); - $$ = (struct type **)xrealloc ($1, len); + $$ = (struct type **)xrealloc ((char *) $1, len); $$[$<ivec>$[0]] = $3; } ; @@ -915,8 +918,6 @@ parse_number (p, len, parsed_float, putithere) register int base = input_radix; int unsigned_p = 0; - extern double atof (); - if (parsed_float) { /* It's a float since it contains a point or an exponent. */ @@ -1535,53 +1536,69 @@ void _initialize_c_exp () { builtin_type_void = - init_type (TYPE_CODE_VOID, 1, 0, - "void"); + init_type (TYPE_CODE_VOID, 1, + 0, + "void", (struct objfile *) NULL); builtin_type_char = - init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, 0, - "char"); + init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, + 0, + "char", (struct objfile *) NULL); builtin_type_unsigned_char = - init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, 1, - "unsigned char"); + init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned char", (struct objfile *) NULL); builtin_type_short = - init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT, 0, - "short"); + init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT, + 0, + "short", (struct objfile *) NULL); builtin_type_unsigned_short = - init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT, 1, - "unsigned short"); + init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned short", (struct objfile *) NULL); builtin_type_int = - init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, 0, - "int"); + init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, + 0, + "int", (struct objfile *) NULL); builtin_type_unsigned_int = - init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, 1, - "unsigned int"); + init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned int", (struct objfile *) NULL); builtin_type_long = - init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, 0, - "long"); + init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, + 0, + "long", (struct objfile *) NULL); builtin_type_unsigned_long = - init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, 1, - "unsigned long"); + init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned long", (struct objfile *) NULL); builtin_type_long_long = - init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, 0, - "long long"); + init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, + 0, + "long long", (struct objfile *) NULL); builtin_type_unsigned_long_long = - init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, 1, - "unsigned long long"); + init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned long long", (struct objfile *) NULL); builtin_type_float = - init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT, 0, - "float"); + init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT, + 0, + "float", (struct objfile *) NULL); builtin_type_double = - init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, 0, - "double"); + init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, + 0, + "double", (struct objfile *) NULL); builtin_type_long_double = - init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, 0, - "long double"); + init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, + 0, + "long double", (struct objfile *) NULL); builtin_type_complex = - init_type (TYPE_CODE_FLT, TARGET_COMPLEX_BIT / TARGET_CHAR_BIT, 0, - "complex"); + init_type (TYPE_CODE_FLT, TARGET_COMPLEX_BIT / TARGET_CHAR_BIT, + 0, + "complex", (struct objfile *) NULL); builtin_type_double_complex = - init_type (TYPE_CODE_FLT, TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT, 0, - "double complex"); + init_type (TYPE_CODE_FLT, TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT, + 0, + "double complex", (struct objfile *) NULL); add_language (&c_language_defn); add_language (&cplus_language_defn); diff --git a/gdb/command.c b/gdb/command.c index 2851ad9..696547f 100644 --- a/gdb/command.c +++ b/gdb/command.c @@ -23,7 +23,28 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <ctype.h> #include <string.h> -extern char *getenv (); +/* Prototypes for local functions */ + +static void +undef_cmd_error PARAMS ((char *, char *)); + +static void +show_user PARAMS ((char *, int)); + +static void +show_user_1 PARAMS ((struct cmd_list_element *, FILE *)); + +static void +make_command PARAMS ((char *, int)); + +static void +shell_escape PARAMS ((char *, int)); + +static int +parse_binary_operation PARAMS ((char *)); + +static void +print_doc_line PARAMS ((FILE *, char *)); /* Add element named NAME to command list *LIST. FUN should be the function to execute the command; @@ -39,7 +60,7 @@ struct cmd_list_element * add_cmd (name, class, fun, doc, list) char *name; enum command_class class; - void (*fun) (); + void (*fun) PARAMS ((char *, int)); char *doc; struct cmd_list_element **list; { @@ -50,7 +71,7 @@ add_cmd (name, class, fun, doc, list) c->next = *list; c->name = name; c->class = class; - c->function = fun; + c->function.cfunc = fun; c->doc = doc; c->prefixlist = 0; c->prefixname = (char *)NULL; @@ -68,11 +89,13 @@ add_cmd (name, class, fun, doc, list) /* Same as above, except that the abbrev_flag is set. */ +#if 0 /* Currently unused */ + struct cmd_list_element * add_abbrev_cmd (name, class, fun, doc, list) char *name; enum command_class class; - void (*fun) (); + void (*fun) PARAMS ((char *, int)); char *doc; struct cmd_list_element **list; { @@ -83,6 +106,8 @@ add_abbrev_cmd (name, class, fun, doc, list) return c; } +#endif + struct cmd_list_element * add_alias_cmd (name, oldname, class, abbrev_flag, list) char *name; @@ -105,7 +130,7 @@ add_alias_cmd (name, oldname, class, abbrev_flag, list) return 0; } - c = add_cmd (name, class, old->function, old->doc, list); + c = add_cmd (name, class, old->function.cfunc, old->doc, list); c->prefixlist = old->prefixlist; c->prefixname = old->prefixname; c->allow_unknown = old->allow_unknown; @@ -124,7 +149,7 @@ add_prefix_cmd (name, class, fun, doc, prefixlist, prefixname, allow_unknown, list) char *name; enum command_class class; - void (*fun) (); + void (*fun) PARAMS ((char *, int)); char *doc; struct cmd_list_element **prefixlist; char *prefixname; @@ -142,10 +167,10 @@ add_prefix_cmd (name, class, fun, doc, prefixlist, prefixname, struct cmd_list_element * add_abbrev_prefix_cmd (name, class, fun, doc, prefixlist, prefixname, - allow_unknown, list) + allow_unknown, list) char *name; enum command_class class; - void (*fun) (); + void (*fun) PARAMS ((char *, int)); char *doc; struct cmd_list_element **prefixlist; char *prefixname; @@ -175,6 +200,7 @@ not_just_help_class_command (args, from_tty, c) VAR_TYPE is the kind of thing we are setting. VAR is address of the variable being controlled by this command. DOC is the documentation string. */ + struct cmd_list_element * add_set_cmd (name, class, var_type, var, doc, list) char *name; @@ -300,7 +326,7 @@ help_cmd (command, stream) fputs_filtered (c->doc, stream); fputs_filtered ("\n", stream); - if (c->prefixlist == 0 && c->function != 0) + if (c->prefixlist == 0 && c->function.cfunc != NULL) return; fprintf_filtered (stream, "\n"); @@ -309,7 +335,7 @@ help_cmd (command, stream) help_list (*c->prefixlist, c->prefixname, all_commands, stream); /* If this is a class name, print all of the commands in the class */ - if (c->function == 0) + if (c->function.cfunc == NULL) help_list (cmdlist, "", c->class, stream); } @@ -413,7 +439,7 @@ print_doc_line (stream, str) * ALL_CLASSES to list all classes in list. * * Note that RECURSE will be active on *all* sublists, not just the - * ones seclected by the criteria above (ie. the selection mechanism + * ones selected by the criteria above (ie. the selection mechanism * is at the low level, not the high-level). */ void @@ -430,8 +456,8 @@ help_cmd_list (list, class, prefix, recurse, stream) { if (c->abbrev_flag == 0 && (class == all_commands - || (class == all_classes && c->function == 0) - || (class == c->class && c->function != 0))) + || (class == all_classes && c->function.cfunc == NULL) + || (class == c->class && c->function.cfunc != NULL))) { fprintf_filtered (stream, "%s%s -- ", prefix, c->name); print_doc_line (stream, c->doc); @@ -519,7 +545,7 @@ lookup_cmd_1 (text, clist, result_list, ignore_help_classes) nfound = 0; for (c = clist; c; c = c->next) if (!strncmp (command, c->name, len) - && (!ignore_help_classes || c->function)) + && (!ignore_help_classes || c->function.cfunc)) { found = c; nfound++; @@ -587,7 +613,7 @@ lookup_cmd_1 (text, clist, result_list, ignore_help_classes) /* All this hair to move the space to the front of cmdtype */ -void +static void undef_cmd_error (cmdtype, q) char *cmdtype, *q; { @@ -881,7 +907,7 @@ complete_on_cmdlist (list, text) for (ptr = list; ptr; ptr = ptr->next) if (!strncmp (ptr->name, text, textlen) && !ptr->abbrev_flag - && (ptr->function + && (ptr->function.cfunc || ptr->prefixlist)) { if (matches == sizeof_matchlist) @@ -967,7 +993,7 @@ do_setshow_command (arg, from_tty, c) arg = ""; new = (char *) xmalloc (strlen (arg) + 2); p = arg; q = new; - while (ch = *p++) + while ((ch = *p++) != '\000') { if (ch == '\\') { @@ -1069,7 +1095,7 @@ do_setshow_command (arg, from_tty, c) } else error ("gdb internal error: bad cmd_type in do_setshow_command"); - (*c->function) (NULL, from_tty, c); + (*c->function.sfunc) (NULL, from_tty, c); } /* Show all the settings in a list of show commands. */ @@ -1103,13 +1129,12 @@ shell_escape (arg, from_tty) { int rc, status, pid; char *p, *user_shell; - extern char *rindex (); if ((user_shell = (char *) getenv ("SHELL")) == NULL) user_shell = "/bin/sh"; /* Get the name of the shell for arg0 */ - if ((p = rindex (user_shell, '/')) == NULL) + if ((p = strrchr (user_shell, '/')) == NULL) p = user_shell; else p++; /* Get past '/' */ diff --git a/gdb/convex-xdep.c b/gdb/convex-xdep.c index 6fbcd24..60b090c 100644 --- a/gdb/convex-xdep.c +++ b/gdb/convex-xdep.c @@ -258,6 +258,7 @@ fetch_inferior_registers (regno) /* Store our register values back into the inferior. For Convex, do this only once, right before resuming inferior. */ +void store_inferior_registers (regno) int regno; { diff --git a/gdb/coredep.c b/gdb/coredep.c index 487b5fa..62644c6 100644 --- a/gdb/coredep.c +++ b/gdb/coredep.c @@ -35,7 +35,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <sys/ptrace.h> #endif - /* Extract the register values out of the core file and store them where `read_register' will find them. diff --git a/gdb/cplus-dem.c b/gdb/cplus-dem.c index f02b3c4..1bc5a35 100644 --- a/gdb/cplus-dem.c +++ b/gdb/cplus-dem.c @@ -60,10 +60,6 @@ #include <string.h> #else #include <strings.h> -#define memcpy(s1, s2, n) bcopy ((s2), (s1), (n)) -#define memcmp(s1, s2, n) bcmp ((s2), (s1), (n)) -#define strchr index -#define strrchr rindex #endif /* This is '$' on systems where the assembler can deal with that. @@ -187,49 +183,60 @@ typedef struct string { char *e; /* pointer after end of allocated space */ } string; -#ifdef __STDC__ -static void string_need (string *s, int n); -static void string_delete (string *s); -static void string_init (string *s); -static void string_clear (string *s); -static int string_empty (string *s); -static void string_append (string *p, const char *s); -static void string_appends (string *p, string *s); -static void string_appendn (string *p, const char *s, int n); -static void string_prepend (string *p, const char *s); -#if 0 -static void string_prepends (string *p, string *s); -#endif -static void string_prependn (string *p, const char *s, int n); -static int get_count (const char **type, int *count); -static int do_args (const char **type, string *decl, int arg_mode); -static int do_type (const char **type, string *result, int arg_mode); -static int do_arg (const char **type, string *result, int arg_mode); -static void munge_function_name (string *name, int arg_mode); -static void remember_type (const char *type, int len); -#else -static void string_need (); -static void string_delete (); -static void string_init (); -static void string_clear (); -static int string_empty (); -static void string_append (); -static void string_appends (); -static void string_appendn (); -static void string_prepend (); +static void +string_need PARAMS ((string *, int)); + +static void +string_delete PARAMS ((string *)); + +static void +string_init PARAMS ((string *)); + +static void +string_clear PARAMS ((string *)); + +static int +string_empty PARAMS ((string *)); + +static void +string_append PARAMS ((string *, const char *)); + +static void +string_appends PARAMS ((string *, string *)); + +static void +string_appendn PARAMS ((string *, const char *, int)); + +static void +string_prepend PARAMS ((string *, const char *)); + +static void +string_prependn PARAMS ((string *, const char *, int)); + +static int +get_count PARAMS ((const char **, int *)); + +static int +do_args PARAMS ((const char **, string *, int)); + +static int +do_type PARAMS ((const char **, string *, int)); + +static int +do_arg PARAMS ((const char **, string *, int)); + +static void +munge_function_name PARAMS ((string *, int)); + +static void +remember_type PARAMS ((const char *, int)); + #if 0 -static void string_prepends (); -#endif -static void string_prependn (); -static int get_count (); -static int do_args (); -static int do_type (); -static int do_arg (); -static int do_args (); -static void munge_function_name (); -static void remember_type (); +static void +string_prepends PARAMS ((string *, string *)); #endif + /* Takes operator name as e.g. "++" and returns mangled operator name (e.g. "postincrement_expr"), or NULL if not found. diff --git a/gdb/dwarfread.c b/gdb/dwarfread.c index a5496fc..399ff47 100644 --- a/gdb/dwarfread.c +++ b/gdb/dwarfread.c @@ -1,6 +1,6 @@ /* DWARF debugging format support for GDB. - Copyright (C) 1991 Free Software Foundation, Inc. - Written by Fred Fish at Cygnus Support, portions based on dbxread.c, + Copyright (C) 1991, 1992 Free Software Foundation, Inc. + Written by Fred Fish at Cygnus Support. Portions based on dbxread.c, mipsread.c, coffread.c, and dwarfread.c from a Data General SVR4 gdb port. This file is part of GDB. @@ -55,19 +55,15 @@ other things to work on, if you get bored. :-) */ #include <stdio.h> -#ifdef __STDC__ -#include <stdarg.h> -#else #include <varargs.h> -#endif #include <fcntl.h> #include "defs.h" #include "bfd.h" #include "symtab.h" +#include "gdbtypes.h" #include "symfile.h" #include "elf/dwarf.h" -#include "ansidecl.h" #include "buildsym.h" #ifdef MAINTENANCE /* Define to 1 to compile in some maintenance stuff */ @@ -266,131 +262,119 @@ static struct type **utypes; /* Pointer to array of user type pointers */ static int numutypes; /* Max number of user type pointers */ /* Forward declarations of static functions so we don't have to worry - about ordering within this file. The EXFUN macro may be slightly - misleading. Should probably be called DCLFUN instead, or something - more intuitive, since it can be used for both static and external - definitions. */ + about ordering within this file. */ + +static void +add_enum_psymbol PARAMS ((struct dieinfo *, struct objfile *)); + +static void +read_file_scope PARAMS ((struct dieinfo *, char *, char *, struct objfile *)); static void -EXFUN (dwarfwarn, (char *fmt DOTS)); +read_func_scope PARAMS ((struct dieinfo *, char *, char *, struct objfile *)); static void -EXFUN (scan_partial_symbols, (char *thisdie AND char *enddie)); +read_lexical_block_scope PARAMS ((struct dieinfo *, char *, char *, + struct objfile *)); static void -EXFUN (scan_compilation_units, - (char *filename AND char *thisdie AND char *enddie - AND unsigned int dbfoff AND unsigned int lnoffset - AND struct objfile *objfile)); - -static struct partial_symtab * -EXFUN(dwarf_start_psymtab, (struct objfile *objfile AND CORE_ADDR addr - AND char *filename AND CORE_ADDR textlow - AND CORE_ADDR texthigh AND int dbfoff - AND int curoff AND int culength AND int lnfoff - AND struct partial_symbol *global_syms - AND struct partial_symbol *static_syms)); +dwarfwarn (); static void -EXFUN(add_partial_symbol, (struct dieinfo *dip)); +scan_partial_symbols PARAMS ((char *, char *, struct objfile *)); static void -EXFUN(init_psymbol_list, (int total_symbols)); +scan_compilation_units PARAMS ((char *, char *, char *, unsigned int, + unsigned int, struct objfile *)); static void -EXFUN(basicdieinfo, (struct dieinfo *dip AND char *diep)); +add_partial_symbol PARAMS ((struct dieinfo *, struct objfile *)); static void -EXFUN(completedieinfo, (struct dieinfo *dip)); +init_psymbol_list PARAMS ((struct objfile *, int)); static void -EXFUN(dwarf_psymtab_to_symtab, (struct partial_symtab *pst)); +basicdieinfo PARAMS ((struct dieinfo *, char *)); static void -EXFUN(psymtab_to_symtab_1, (struct partial_symtab *pst)); +completedieinfo PARAMS ((struct dieinfo *)); + +static void +dwarf_psymtab_to_symtab PARAMS ((struct partial_symtab *)); + +static void +psymtab_to_symtab_1 PARAMS ((struct partial_symtab *)); static struct symtab * -EXFUN(read_ofile_symtab, (struct partial_symtab *pst)); +read_ofile_symtab PARAMS ((struct partial_symtab *)); static void -EXFUN(process_dies, - (char *thisdie AND char *enddie AND struct objfile *objfile)); +process_dies PARAMS ((char *, char *, struct objfile *)); static void -EXFUN(read_structure_scope, - (struct dieinfo *dip AND char *thisdie AND char *enddie AND - struct objfile *objfile)); +read_structure_scope PARAMS ((struct dieinfo *, char *, char *, + struct objfile *)); static struct type * -EXFUN(decode_array_element_type, (char *scan AND char *end)); +decode_array_element_type PARAMS ((char *, char *)); static struct type * -EXFUN(decode_subscr_data, (char *scan AND char *end)); +decode_subscr_data PARAMS ((char *, char *)); static void -EXFUN(dwarf_read_array_type, (struct dieinfo *dip)); +dwarf_read_array_type PARAMS ((struct dieinfo *)); static void -EXFUN(read_tag_pointer_type, (struct dieinfo *dip)); +read_tag_pointer_type PARAMS ((struct dieinfo *dip)); static void -EXFUN(read_subroutine_type, - (struct dieinfo *dip AND char *thisdie AND char *enddie)); +read_subroutine_type PARAMS ((struct dieinfo *, char *, char *)); static void -EXFUN(read_enumeration, - (struct dieinfo *dip AND char *thisdie AND char *enddie)); +read_enumeration PARAMS ((struct dieinfo *, char *, char *, struct objfile *)); static struct type * -EXFUN(struct_type, - (struct dieinfo *dip AND char *thisdie AND char *enddie AND - struct objfile *objfile)); +struct_type PARAMS ((struct dieinfo *, char *, char *, struct objfile *)); static struct type * -EXFUN(enum_type, (struct dieinfo *dip)); +enum_type PARAMS ((struct dieinfo *, struct objfile *)); static void -EXFUN(decode_line_numbers, (char *linetable)); +decode_line_numbers PARAMS ((char *)); static struct type * -EXFUN(decode_die_type, (struct dieinfo *dip)); +decode_die_type PARAMS ((struct dieinfo *)); static struct type * -EXFUN(decode_mod_fund_type, (char *typedata)); +decode_mod_fund_type PARAMS ((char *)); static struct type * -EXFUN(decode_mod_u_d_type, (char *typedata)); +decode_mod_u_d_type PARAMS ((char *)); static struct type * -EXFUN(decode_modified_type, - (unsigned char *modifiers AND unsigned short modcount AND int mtype)); +decode_modified_type PARAMS ((unsigned char *, unsigned int, int)); static struct type * -EXFUN(decode_fund_type, (unsigned short fundtype)); +decode_fund_type PARAMS ((unsigned int)); static char * -EXFUN(create_name, (char *name AND struct obstack *obstackp)); +create_name PARAMS ((char *, struct obstack *)); static struct type * -EXFUN(lookup_utype, (DIEREF dieref)); +lookup_utype PARAMS ((DIEREF)); static struct type * -EXFUN(alloc_utype, (DIEREF dieref AND struct type *usetype)); +alloc_utype PARAMS ((DIEREF, struct type *)); static struct symbol * -EXFUN(new_symbol, (struct dieinfo *dip)); +new_symbol PARAMS ((struct dieinfo *, struct objfile *)); static int -EXFUN(locval, (char *loc)); +locval PARAMS ((char *)); static void -EXFUN(record_misc_function, (char *name AND CORE_ADDR address AND - enum misc_function_type)); - -static int -EXFUN(compare_psymbols, - (struct partial_symbol *s1 AND struct partial_symbol *s2)); - +record_minimal_symbol PARAMS ((char *, CORE_ADDR, enum minimal_symbol_type, + struct objfile *)); /* @@ -425,18 +409,17 @@ RETURNS */ void -DEFUN(dwarf_build_psymtabs, - (desc, filename, addr, mainline, dbfoff, dbsize, lnoffset, lnsize, - objfile), - int desc AND - char *filename AND - CORE_ADDR addr AND - int mainline AND - unsigned int dbfoff AND - unsigned int dbsize AND - unsigned int lnoffset AND - unsigned int lnsize AND - struct objfile *objfile) +dwarf_build_psymtabs (desc, filename, addr, mainline, dbfoff, dbsize, + lnoffset, lnsize, objfile) + int desc; + char *filename; + CORE_ADDR addr; + int mainline; + unsigned int dbfoff; + unsigned int dbsize; + unsigned int lnoffset; + unsigned int lnsize; + struct objfile *objfile; { struct cleanup *back_to; @@ -454,9 +437,9 @@ DEFUN(dwarf_build_psymtabs, Since we have no idea how many DIES we are looking at, we just guess some arbitrary value. */ - if (mainline || global_psymbols.size == 0 || static_psymbols.size == 0) + if (mainline || objfile->global_psymbols.size == 0 || objfile->static_psymbols.size == 0) { - init_psymbol_list (1024); + init_psymbol_list (objfile, 1024); } /* From this point on, we don't need to pass mainline around, so zap @@ -486,28 +469,32 @@ DEFUN(dwarf_build_psymtabs, LOCAL FUNCTION - record_misc_function -- add entry to miscellaneous function vector + record_minimal_symbol -- add entry to gdb's minimal symbol table SYNOPSIS - static void record_misc_function (char *name, CORE_ADDR address, - enum misc_function_type mf_type) + static void record_minimal_symbol (char *name, CORE_ADDR address, + enum minimal_symbol_type ms_type, + struct objfile *objfile) DESCRIPTION Given a pointer to the name of a symbol that should be added to the - miscellaneous function vector, and the address associated with that + minimal symbol table, and the address associated with that symbol, records this information for later use in building the - miscellaneous function vector. + minimal symbol table. */ static void -DEFUN(record_misc_function, (name, address, mf_type), - char *name AND CORE_ADDR address AND enum misc_function_type mf_type) +record_minimal_symbol (name, address, ms_type, objfile) + char *name; + CORE_ADDR address; + enum minimal_symbol_type ms_type; + struct objfile *objfile; { - prim_record_misc_function (obsavestring (name, strlen (name)), address, - mf_type); + name = obsavestring (name, strlen (name), &objfile -> symbol_obstack); + prim_record_minimal_symbol (name, address, ms_type); } /* @@ -538,28 +525,6 @@ NOTES information for the DIE where the problem was noticed. */ -#ifdef __STDC__ - -static void -DEFUN(dwarfwarn, (fmt), char *fmt DOTS) -{ - va_list ap; - - va_start (ap, fmt); - warning_setup (); - fprintf (stderr, "DWARF warning (ref 0x%x): ", curdie -> dieref); - if (curdie -> at_name) - { - fprintf (stderr, "'%s': ", curdie -> at_name); - } - vfprintf (stderr, fmt, ap); - fprintf (stderr, "\n"); - fflush (stderr); - va_end (ap); -} - -#else - static void dwarfwarn (va_alist) va_dcl @@ -581,55 +546,6 @@ dwarfwarn (va_alist) va_end (ap); } -#endif - -/* - -LOCAL FUNCTION - - compare_psymbols -- compare two partial symbols by name - -DESCRIPTION - - Given pointer to two partial symbol table entries, compare - them by name and return -N, 0, or +N (ala strcmp). Typically - used by sorting routines like qsort(). - -NOTES - - This is a copy from dbxread.c. It should be moved to a generic - gdb file and made available for all psymtab builders (FIXME). - - Does direct compare of first two characters before punting - and passing to strcmp for longer compares. Note that the - original version had a bug whereby two null strings or two - identically named one character strings would return the - comparison of memory following the null byte. - - */ - -static int -DEFUN(compare_psymbols, (s1, s2), - struct partial_symbol *s1 AND - struct partial_symbol *s2) -{ - register char *st1 = SYMBOL_NAME (s1); - register char *st2 = SYMBOL_NAME (s2); - - if ((st1[0] - st2[0]) || !st1[0]) - { - return (st1[0] - st2[0]); - } - else if ((st1[1] - st2[1]) || !st1[1]) - { - return (st1[1] - st2[1]); - } - else - { - return (strcmp (st1 + 2, st2 + 2)); - } -} - /* LOCAL FUNCTION @@ -649,11 +565,11 @@ DESCRIPTION */ static void -DEFUN(read_lexical_block_scope, (dip, thisdie, enddie, objfile), - struct dieinfo *dip AND - char *thisdie AND - char *enddie AND - struct objfile *objfile) +read_lexical_block_scope (dip, thisdie, enddie, objfile) + struct dieinfo *dip; + char *thisdie; + char *enddie; + struct objfile *objfile; { register struct context_stack *new; @@ -663,7 +579,7 @@ DEFUN(read_lexical_block_scope, (dip, thisdie, enddie, objfile), if (local_symbols != NULL) { finish_block (0, &local_symbols, new -> old_blocks, new -> start_addr, - dip -> at_high_pc); + dip -> at_high_pc, objfile); } local_symbols = new -> locals; } @@ -688,7 +604,8 @@ DESCRIPTION */ static struct type * -DEFUN(lookup_utype, (dieref), DIEREF dieref) +lookup_utype (dieref) + DIEREF dieref; { struct type *type = NULL; int utypeidx; @@ -728,9 +645,9 @@ DESCRIPTION */ static struct type * -DEFUN(alloc_utype, (dieref, utypep), - DIEREF dieref AND - struct type *utypep) +alloc_utype (dieref, utypep) + DIEREF dieref; + struct type *utypep; { struct type **typep; int utypeidx; @@ -739,7 +656,7 @@ DEFUN(alloc_utype, (dieref, utypep), typep = utypes + utypeidx; if ((utypeidx < 0) || (utypeidx >= numutypes)) { - utypep = builtin_type_int; + utypep = lookup_fundamental_type (current_objfile, FT_INTEGER); dwarfwarn ("reference to DIE (0x%x) outside compilation unit", dieref); } else if (*typep != NULL) @@ -752,8 +669,10 @@ DEFUN(alloc_utype, (dieref, utypep), if (utypep == NULL) { utypep = (struct type *) - obstack_alloc (symbol_obstack, sizeof (struct type)); + obstack_alloc (¤t_objfile -> type_obstack, + sizeof (struct type)); (void) memset (utypep, 0, sizeof (struct type)); + TYPE_OBJFILE (utypep) = current_objfile; } *typep = utypep; } @@ -778,7 +697,8 @@ DESCRIPTION */ static struct type * -DEFUN(decode_die_type, (dip), struct dieinfo *dip) +decode_die_type (dip) + struct dieinfo *dip; { struct type *type = NULL; @@ -803,7 +723,7 @@ DEFUN(decode_die_type, (dip), struct dieinfo *dip) } else { - type = builtin_type_int; + type = lookup_fundamental_type (current_objfile, FT_INTEGER); } return (type); } @@ -829,11 +749,11 @@ DESCRIPTION */ static struct type * -DEFUN(struct_type, (dip, thisdie, enddie, objfile), - struct dieinfo *dip AND - char *thisdie AND - char *enddie AND - struct objfile *objfile) +struct_type (dip, thisdie, enddie, objfile) + struct dieinfo *dip; + char *thisdie; + char *enddie; + struct objfile *objfile; { struct type *type; struct nextfield { @@ -878,7 +798,8 @@ DEFUN(struct_type, (dip, thisdie, enddie, objfile), && *dip -> at_name != '~' && *dip -> at_name != '.') { - TYPE_NAME (type) = obconcat (tpart1, " ", dip -> at_name); + TYPE_NAME (type) = obconcat (¤t_objfile -> type_obstack, + tpart1, " ", dip -> at_name); } if (dip -> at_byte_size != 0) { @@ -934,7 +855,8 @@ DEFUN(struct_type, (dip, thisdie, enddie, objfile), { TYPE_NFIELDS (type) = nfields; TYPE_FIELDS (type) = (struct field *) - obstack_alloc (symbol_obstack, sizeof (struct field) * nfields); + obstack_alloc (¤t_objfile -> type_obstack, + sizeof (struct field) * nfields); /* Copy the saved-up fields into the field vector. */ for (n = nfields; list; list = list -> next) { @@ -979,11 +901,11 @@ NOTES */ static void -DEFUN(read_structure_scope, (dip, thisdie, enddie, objfile), - struct dieinfo *dip AND - char *thisdie AND - char *enddie AND - struct objfile *objfile) +read_structure_scope (dip, thisdie, enddie, objfile) + struct dieinfo *dip; + char *thisdie; + char *enddie; + struct objfile *objfile; { struct type *type; struct symbol *sym; @@ -991,7 +913,7 @@ DEFUN(read_structure_scope, (dip, thisdie, enddie, objfile), type = struct_type (dip, thisdie, enddie, objfile); if (!(TYPE_FLAGS (type) & TYPE_FLAG_STUB)) { - if ((sym = new_symbol (dip)) != NULL) + if ((sym = new_symbol (dip, objfile)) != NULL) { SYMBOL_TYPE (sym) = type; } @@ -1018,7 +940,9 @@ DESCRIPTION */ static struct type * -DEFUN(decode_array_element_type, (scan, end), char *scan AND char *end) +decode_array_element_type (scan, end) + char *scan; + char *end; { struct type *typep; short attribute; @@ -1048,7 +972,7 @@ DEFUN(decode_array_element_type, (scan, end), char *scan AND char *end) break; default: SQUAWK (("bad array element type attribute 0x%x", attribute)); - typep = builtin_type_int; + typep = lookup_fundamental_type (current_objfile, FT_INTEGER); break; } return (typep); @@ -1087,7 +1011,9 @@ BUGS */ static struct type * -DEFUN(decode_subscr_data, (scan, end), char *scan AND char *end) +decode_subscr_data (scan, end) + char *scan; + char *end; { struct type *typep = NULL; struct type *nexttype; @@ -1121,8 +1047,10 @@ DEFUN(decode_subscr_data, (scan, end), char *scan AND char *end) if (nexttype != NULL) { typep = (struct type *) - obstack_alloc (symbol_obstack, sizeof (struct type)); + obstack_alloc (¤t_objfile -> type_obstack, + sizeof (struct type)); (void) memset (typep, 0, sizeof (struct type)); + TYPE_OBJFILE (typep) = current_objfile; TYPE_CODE (typep) = TYPE_CODE_ARRAY; TYPE_LENGTH (typep) = TYPE_LENGTH (nexttype); TYPE_LENGTH (typep) *= lowbound + highbound + 1; @@ -1163,7 +1091,8 @@ DESCRIPTION */ static void -DEFUN(dwarf_read_array_type, (dip), struct dieinfo *dip) +dwarf_read_array_type (dip) + struct dieinfo *dip; { struct type *type; struct type *utype; @@ -1189,7 +1118,8 @@ DEFUN(dwarf_read_array_type, (dip), struct dieinfo *dip) utype = alloc_utype (dip -> dieref, NULL); } TYPE_CODE (utype) = TYPE_CODE_ARRAY; - TYPE_TARGET_TYPE (utype) = builtin_type_int; + TYPE_TARGET_TYPE (utype) = + lookup_fundamental_type (current_objfile, FT_INTEGER); TYPE_LENGTH (utype) = 1 * TYPE_LENGTH (TYPE_TARGET_TYPE (utype)); } else @@ -1225,7 +1155,8 @@ DESCRIPTION */ static void -DEFUN(read_tag_pointer_type, (dip), struct dieinfo *dip) +read_tag_pointer_type (dip) + struct dieinfo *dip; { struct type *type; struct type *utype; @@ -1281,10 +1212,10 @@ NOTES */ static void -DEFUN(read_subroutine_type, (dip, thisdie, enddie), - struct dieinfo *dip AND - char *thisdie AND - char *enddie) +read_subroutine_type (dip, thisdie, enddie) + struct dieinfo *dip; + char *thisdie; + char *enddie; { struct type *type; /* Type that this function returns */ struct type *ftype; /* Function that returns above type */ @@ -1323,7 +1254,7 @@ LOCAL FUNCTION SYNOPSIS static void read_enumeration (struct dieinfo *dip, char *thisdie, - char *enddie) + char *enddie, struct objfile *objfile) DESCRIPTION @@ -1338,16 +1269,17 @@ NOTES */ static void -DEFUN(read_enumeration, (dip, thisdie, enddie), - struct dieinfo *dip AND - char *thisdie AND - char *enddie) +read_enumeration (dip, thisdie, enddie, objfile) + struct dieinfo *dip; + char *thisdie; + char *enddie; + struct objfile *objfile; { struct type *type; struct symbol *sym; - type = enum_type (dip); - if ((sym = new_symbol (dip)) != NULL) + type = enum_type (dip, objfile); + if ((sym = new_symbol (dip, objfile)) != NULL) { SYMBOL_TYPE (sym) = type; } @@ -1361,7 +1293,7 @@ LOCAL FUNCTION SYNOPSIS - static type *enum_type (struct dieinfo *dip) + static type *enum_type (struct dieinfo *dip, struct objfile *objfile) DESCRIPTION @@ -1378,14 +1310,16 @@ NOTES Note that the DWARF specification explicitly mandates that enum constants occur in reverse order from the source program order, for "consistency" and because this ordering is easier for many - compilers to generate. (Draft 5, sec 3.9.5, Enumeration type + compilers to generate. (Draft 6, sec 3.8.5, Enumeration type Entries). Because gdb wants to see the enum members in program source order, we have to ensure that the order gets reversed while we are processing them. */ static struct type * -DEFUN(enum_type, (dip), struct dieinfo *dip) +enum_type (dip, objfile) + struct dieinfo *dip; + struct objfile *objfile; { struct type *type; struct nextfield { @@ -1415,7 +1349,8 @@ DEFUN(enum_type, (dip), struct dieinfo *dip) && *dip -> at_name != '~' && *dip -> at_name != '.') { - TYPE_NAME (type) = obconcat ("enum", " ", dip -> at_name); + TYPE_NAME (type) = obconcat (¤t_objfile -> type_obstack, "enum", + " ", dip -> at_name); } if (dip -> at_byte_size != 0) { @@ -1448,10 +1383,10 @@ DEFUN(enum_type, (dip), struct dieinfo *dip) scan += strlen (scan) + 1; nfields++; /* Handcraft a new symbol for this enum member. */ - sym = (struct symbol *) obstack_alloc (symbol_obstack, + sym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol)); (void) memset (sym, 0, sizeof (struct symbol)); - SYMBOL_NAME (sym) = create_name (list -> field.name, symbol_obstack); + SYMBOL_NAME (sym) = create_name (list -> field.name, &objfile->symbol_obstack); SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE; SYMBOL_CLASS (sym) = LOC_CONST; SYMBOL_TYPE (sym) = type; @@ -1467,7 +1402,7 @@ DEFUN(enum_type, (dip), struct dieinfo *dip) { TYPE_NFIELDS (type) = nfields; TYPE_FIELDS (type) = (struct field *) - obstack_alloc (symbol_obstack, sizeof (struct field) * nfields); + obstack_alloc (&objfile->symbol_obstack, sizeof (struct field) * nfields); /* Copy the saved-up fields into the field vector. */ for (n = 0; (n < nfields) && (list != NULL); list = list -> next) { @@ -1500,11 +1435,11 @@ DESCRIPTION */ static void -DEFUN(read_func_scope, (dip, thisdie, enddie, objfile), - struct dieinfo *dip AND - char *thisdie AND - char *enddie AND - struct objfile *objfile) +read_func_scope (dip, thisdie, enddie, objfile) + struct dieinfo *dip; + char *thisdie; + char *enddie; + struct objfile *objfile; { register struct context_stack *new; @@ -1519,13 +1454,13 @@ DEFUN(read_func_scope, (dip, thisdie, enddie, objfile), main_scope_highpc = dip -> at_high_pc; } new = push_context (0, dip -> at_low_pc); - new -> name = new_symbol (dip); + new -> name = new_symbol (dip, objfile); list_in_scope = &local_symbols; process_dies (thisdie + dip -> dielength, enddie, objfile); new = pop_context (); /* Make a block for the local symbols within. */ finish_block (new -> name, &local_symbols, new -> old_blocks, - new -> start_addr, dip -> at_high_pc); + new -> start_addr, dip -> at_high_pc, objfile); list_in_scope = &file_symbols; } @@ -1552,11 +1487,11 @@ DESCRIPTION */ static void -DEFUN(read_file_scope, (dip, thisdie, enddie, objfile), - struct dieinfo *dip AND - char *thisdie AND - char *enddie AND - struct objfile *objfile) +read_file_scope (dip, thisdie, enddie, objfile) + struct dieinfo *dip; + char *thisdie; + char *enddie; + struct objfile *objfile; { struct cleanup *back_to; struct symtab *symtab; @@ -1615,8 +1550,10 @@ DESCRIPTION */ static void -DEFUN(process_dies, (thisdie, enddie, objfile), - char *thisdie AND char *enddie AND struct objfile *objfile) +process_dies (thisdie, enddie, objfile) + char *thisdie; + char *enddie; + struct objfile *objfile; { char *nextdie; struct dieinfo di; @@ -1663,7 +1600,7 @@ DEFUN(process_dies, (thisdie, enddie, objfile), read_structure_scope (&di, thisdie, nextdie, objfile); break; case TAG_enumeration_type: - read_enumeration (&di, thisdie, nextdie); + read_enumeration (&di, thisdie, nextdie, objfile); break; case TAG_subroutine_type: read_subroutine_type (&di, thisdie, nextdie); @@ -1675,7 +1612,7 @@ DEFUN(process_dies, (thisdie, enddie, objfile), read_tag_pointer_type (&di); break; default: - (void) new_symbol (&di); + (void) new_symbol (&di, objfile); break; } } @@ -1744,7 +1681,8 @@ BUGS */ static void -DEFUN(decode_line_numbers, (linetable), char *linetable) +decode_line_numbers (linetable) + char *linetable; { char *tblscan; char *tblend; @@ -1810,7 +1748,8 @@ NOTES */ static int -DEFUN(locval, (loc), char *loc) +locval (loc) + char *loc; { unsigned short nbytes; auto int stack[64]; @@ -1887,17 +1826,26 @@ SYNOPSIS DESCRIPTION + When expanding a partial symbol table entry to a full symbol table + entry, this is the function that gets called to read in the symbols + for the compilation unit. + + Returns a pointer to the newly constructed symtab (which is now + the new first one on the objfile's symtab list). */ static struct symtab * -DEFUN(read_ofile_symtab, (pst), - struct partial_symtab *pst) +read_ofile_symtab (pst) + struct partial_symtab *pst; { struct cleanup *back_to; long lnsize; int foffset; - bfd *abfd = pst->objfile->obfd; - + bfd *abfd; + + abfd = pst -> objfile -> obfd; + current_objfile = pst -> objfile; + /* Allocate a buffer for the entire chunk of DIE's for this compilation unit, seek to the location in the file, and read in all the DIE's. */ @@ -1940,7 +1888,8 @@ DEFUN(read_ofile_symtab, (pst), process_dies (dbbase, dbbase + DBLENGTH(pst), pst -> objfile); do_cleanups (back_to); - return (symtab_list); + current_objfile = NULL; + return (pst -> objfile -> symtabs); } /* @@ -1961,52 +1910,54 @@ DESCRIPTION */ static void -DEFUN(psymtab_to_symtab_1, - (pst), - struct partial_symtab *pst) +psymtab_to_symtab_1 (pst) + struct partial_symtab *pst; { int i; - if (!pst) - { - return; - } - if (pst->readin) + if (pst != NULL) { - fprintf (stderr, "Psymtab for %s already read in. Shouldn't happen.\n", - pst -> filename); - return; - } - - /* Read in all partial symtabs on which this one is dependent */ - for (i = 0; i < pst -> number_of_dependencies; i++) - if (!pst -> dependencies[i] -> readin) - { - /* Inform about additional files that need to be read in. */ - if (info_verbose) - { - fputs_filtered (" ", stdout); - wrap_here (""); - fputs_filtered ("and ", stdout); - wrap_here (""); - printf_filtered ("%s...", pst -> dependencies[i] -> filename); - wrap_here (""); /* Flush output */ - fflush (stdout); - } - psymtab_to_symtab_1 (pst -> dependencies[i]); - } - - if (DBLENGTH(pst)) /* Otherwise it's a dummy */ - { - pst -> symtab = read_ofile_symtab (pst); - if (info_verbose) + if (pst->readin) { - printf_filtered ("%d DIE's, sorting...", diecount); - fflush (stdout); + warning ("Psymtab for %s already read in. Shouldn't happen.", + pst -> filename); + } + else + { + /* Read in all partial symtabs on which this one is dependent */ + for (i = 0; i < pst -> number_of_dependencies; i++) + { + if (!pst -> dependencies[i] -> readin) + { + /* Inform about additional files that need to be read in. */ + if (info_verbose) + { + fputs_filtered (" ", stdout); + wrap_here (""); + fputs_filtered ("and ", stdout); + wrap_here (""); + printf_filtered ("%s...", + pst -> dependencies[i] -> filename); + wrap_here (""); + fflush (stdout); /* Flush output */ + } + psymtab_to_symtab_1 (pst -> dependencies[i]); + } + } + if (DBLENGTH (pst)) /* Otherwise it's a dummy */ + { + pst -> symtab = read_ofile_symtab (pst); + if (info_verbose) + { + printf_filtered ("%d DIE's, sorting...", diecount); + wrap_here (""); + fflush (stdout); + } + sort_symtab_syms (pst -> symtab); + } + pst -> readin = 1; } - sort_symtab_syms (pst -> symtab); } - pst -> readin = 1; } /* @@ -2028,44 +1979,48 @@ DESCRIPTION */ static void -DEFUN(dwarf_psymtab_to_symtab, (pst), struct partial_symtab *pst) +dwarf_psymtab_to_symtab (pst) + struct partial_symtab *pst; { - if (!pst) + if (pst != NULL) { - return; - } - if (pst -> readin) - { - fprintf (stderr, "Psymtab for %s already read in. Shouldn't happen.\n", - pst -> filename); - return; - } - - if (DBLENGTH(pst) || pst -> number_of_dependencies) - { - /* Print the message now, before starting serious work, to avoid - disconcerting pauses. */ - if (info_verbose) + if (pst -> readin) { - printf_filtered ("Reading in symbols for %s...", pst -> filename); - fflush (stdout); + warning ("Psymtab for %s already read in. Shouldn't happen.", + pst -> filename); } - - psymtab_to_symtab_1 (pst); - -#if 0 /* FIXME: Check to see what dbxread is doing here and see if - we need to do an equivalent or is this something peculiar to - stabs/a.out format. */ - /* Match with global symbols. This only needs to be done once, - after all of the symtabs and dependencies have been read in. */ - scan_file_globals (); -#endif - - /* Finish up the debug error message. */ - if (info_verbose) + else { - printf_filtered ("done.\n"); + if (DBLENGTH (pst) || pst -> number_of_dependencies) + { + /* Print the message now, before starting serious work, to avoid + disconcerting pauses. */ + if (info_verbose) + { + printf_filtered ("Reading in symbols for %s...", + pst -> filename); + fflush (stdout); + } + + psymtab_to_symtab_1 (pst); + +#if 0 /* FIXME: Check to see what dbxread is doing here and see if + we need to do an equivalent or is this something peculiar to + stabs/a.out format. + Match with global symbols. This only needs to be done once, + after all of the symtabs and dependencies have been read in. + */ + scan_file_globals (pst -> objfile); +#endif + + /* Finish up the verbose info message. */ + if (info_verbose) + { + printf_filtered ("done.\n"); + fflush (stdout); + } + } } } } @@ -2078,7 +2033,7 @@ LOCAL FUNCTION SYNOPSIS - static void init_psymbol_list (int total_symbols) + static void init_psymbol_list (struct objfile *objfile, int total_symbols) DESCRIPTION @@ -2087,95 +2042,35 @@ DESCRIPTION */ static void -DEFUN(init_psymbol_list, (total_symbols), int total_symbols) +init_psymbol_list (objfile, total_symbols) + struct objfile *objfile; + int total_symbols; { /* Free any previously allocated psymbol lists. */ - if (global_psymbols.list) + if (objfile -> global_psymbols.list) { - free (global_psymbols.list); + (*objfile -> free) (objfile -> global_psymbols.list); } - if (static_psymbols.list) + if (objfile -> static_psymbols.list) { - free (static_psymbols.list); + (*objfile -> free) (objfile -> static_psymbols.list); } /* Current best guess is that there are approximately a twentieth of the total symbols (in a debugging file) are global or static oriented symbols */ - global_psymbols.size = total_symbols / 10; - static_psymbols.size = total_symbols / 10; - global_psymbols.next = global_psymbols.list = (struct partial_symbol *) - xmalloc (global_psymbols.size * sizeof (struct partial_symbol)); - static_psymbols.next = static_psymbols.list = (struct partial_symbol *) - xmalloc (static_psymbols.size * sizeof (struct partial_symbol)); -} - -/* - -LOCAL FUNCTION - - dwarf_start_psymtab -- allocate and fill a partial symtab entry - -DESCRIPTION - - Allocate and partially fill a partial symtab. It will be completely - filled at the end of the symbol list. - - SYMFILE_NAME is the name of the symbol-file we are reading from, and - ADDR is the address relative to which its symbols are (incremental) - or 0 (normal). FILENAME is the name of the compilation unit that - these symbols were defined in, and they appear starting a address - TEXTLOW. DBROFF is the absolute file offset in SYMFILE_NAME where - the full symbols can be read for compilation unit FILENAME. - GLOBAL_SYMS and STATIC_SYMS are pointers to the current end of the - psymtab vector. - - */ - -static struct partial_symtab * -DEFUN(dwarf_start_psymtab, - (objfile, addr, filename, textlow, texthigh, dbfoff, curoff, - culength, lnfoff, global_syms, static_syms), - struct objfile *objfile AND - CORE_ADDR addr AND - char *filename AND - CORE_ADDR textlow AND - CORE_ADDR texthigh AND - int dbfoff AND - int curoff AND - int culength AND - int lnfoff AND - struct partial_symbol *global_syms AND - struct partial_symbol *static_syms) -{ - struct partial_symtab *result; - - result = (struct partial_symtab *) - obstack_alloc (psymbol_obstack, sizeof (struct partial_symtab)); - (void) memset (result, 0, sizeof (struct partial_symtab)); - result -> addr = addr; - result -> objfile = objfile; - result -> filename = create_name (filename, psymbol_obstack); - result -> textlow = textlow; - result -> texthigh = texthigh; - result -> read_symtab_private = (char *) obstack_alloc (psymbol_obstack, - sizeof (struct dwfinfo)); - DBFOFF (result) = dbfoff; - DBROFF (result) = curoff; - DBLENGTH (result) = culength; - LNFOFF (result) = lnfoff; - result -> readin = 0; - result -> symtab = NULL; - result -> read_symtab = dwarf_psymtab_to_symtab; - result -> globals_offset = global_syms - global_psymbols.list; - result -> statics_offset = static_syms - static_psymbols.list; - - result->n_global_syms = 0; - result->n_static_syms = 0; - - return result; + objfile -> global_psymbols.size = total_symbols / 10; + objfile -> static_psymbols.size = total_symbols / 10; + objfile -> global_psymbols.next = + objfile -> global_psymbols.list = (struct partial_symbol *) + (*objfile -> xmalloc) (objfile -> global_psymbols.size + * sizeof (struct partial_symbol)); + objfile -> static_psymbols.next = + objfile -> static_psymbols.list = (struct partial_symbol *) + (*objfile -> xmalloc) (objfile -> static_psymbols.size + * sizeof (struct partial_symbol)); } /* @@ -2192,7 +2087,9 @@ DESCRIPTION */ static void -DEFUN(add_enum_psymbol, (dip), struct dieinfo *dip) +add_enum_psymbol (dip, objfile) + struct dieinfo *dip; + struct objfile *objfile; { char *scan; char *listend; @@ -2217,7 +2114,7 @@ DEFUN(add_enum_psymbol, (dip), struct dieinfo *dip) { scan += sizeof (long); ADD_PSYMBOL_TO_LIST (scan, strlen (scan), VAR_NAMESPACE, LOC_CONST, - static_psymbols, 0); + objfile -> static_psymbols, 0); scan += strlen (scan) + 1; } } @@ -2238,52 +2135,62 @@ DESCRIPTION */ static void -DEFUN(add_partial_symbol, (dip), struct dieinfo *dip) +add_partial_symbol (dip, objfile) + struct dieinfo *dip; + struct objfile *objfile; { switch (dip -> dietag) { case TAG_global_subroutine: - record_misc_function (dip -> at_name, dip -> at_low_pc, mf_text); + record_minimal_symbol (dip -> at_name, dip -> at_low_pc, mst_text, + objfile); ADD_PSYMBOL_TO_LIST (dip -> at_name, strlen (dip -> at_name), - VAR_NAMESPACE, LOC_BLOCK, global_psymbols, + VAR_NAMESPACE, LOC_BLOCK, + objfile -> global_psymbols, dip -> at_low_pc); break; case TAG_global_variable: - record_misc_function (dip -> at_name, locval (dip -> at_location), - mf_data); + record_minimal_symbol (dip -> at_name, locval (dip -> at_location), + mst_data, objfile); ADD_PSYMBOL_TO_LIST (dip -> at_name, strlen (dip -> at_name), - VAR_NAMESPACE, LOC_STATIC, global_psymbols, + VAR_NAMESPACE, LOC_STATIC, + objfile -> global_psymbols, 0); break; case TAG_subroutine: ADD_PSYMBOL_TO_LIST (dip -> at_name, strlen (dip -> at_name), - VAR_NAMESPACE, LOC_BLOCK, static_psymbols, + VAR_NAMESPACE, LOC_BLOCK, + objfile -> static_psymbols, dip -> at_low_pc); break; case TAG_local_variable: ADD_PSYMBOL_TO_LIST (dip -> at_name, strlen (dip -> at_name), - VAR_NAMESPACE, LOC_STATIC, static_psymbols, + VAR_NAMESPACE, LOC_STATIC, + objfile -> static_psymbols, 0); break; case TAG_typedef: ADD_PSYMBOL_TO_LIST (dip -> at_name, strlen (dip -> at_name), - VAR_NAMESPACE, LOC_TYPEDEF, static_psymbols, + VAR_NAMESPACE, LOC_TYPEDEF, + objfile -> static_psymbols, 0); break; case TAG_structure_type: case TAG_union_type: ADD_PSYMBOL_TO_LIST (dip -> at_name, strlen (dip -> at_name), - STRUCT_NAMESPACE, LOC_TYPEDEF, static_psymbols, + STRUCT_NAMESPACE, LOC_TYPEDEF, + objfile -> static_psymbols, 0); break; case TAG_enumeration_type: if (dip -> at_name) { ADD_PSYMBOL_TO_LIST (dip -> at_name, strlen (dip -> at_name), - STRUCT_NAMESPACE, LOC_TYPEDEF, static_psymbols, + STRUCT_NAMESPACE, LOC_TYPEDEF, + objfile -> static_psymbols, 0); } - add_enum_psymbol (dip); + add_enum_psymbol (dip, objfile); break; } } @@ -2318,7 +2225,10 @@ NOTES */ static void -DEFUN(scan_partial_symbols, (thisdie, enddie), char *thisdie AND char *enddie) +scan_partial_symbols (thisdie, enddie, objfile) + char *thisdie; + char *enddie; + struct objfile *objfile; { char *nextdie; struct dieinfo di; @@ -2344,7 +2254,7 @@ DEFUN(scan_partial_symbols, (thisdie, enddie), char *thisdie AND char *enddie) completedieinfo (&di); if (di.at_name && (di.has_at_low_pc || di.at_location)) { - add_partial_symbol (&di); + add_partial_symbol (&di, objfile); } break; case TAG_typedef: @@ -2353,12 +2263,12 @@ DEFUN(scan_partial_symbols, (thisdie, enddie), char *thisdie AND char *enddie) completedieinfo (&di); if (di.at_name) { - add_partial_symbol (&di); + add_partial_symbol (&di, objfile); } break; case TAG_enumeration_type: completedieinfo (&di); - add_partial_symbol (&di); + add_partial_symbol (&di, objfile); break; } } @@ -2410,14 +2320,13 @@ RETURNS */ static void -DEFUN(scan_compilation_units, - (filename, thisdie, enddie, dbfoff, lnoffset, objfile), - char *filename AND - char *thisdie AND - char *enddie AND - unsigned int dbfoff AND - unsigned int lnoffset AND - struct objfile *objfile) +scan_compilation_units (filename, thisdie, enddie, dbfoff, lnoffset, objfile) + char *filename; + char *thisdie; + char *enddie; + unsigned int dbfoff; + unsigned int lnoffset; + struct objfile *objfile; { char *nextdie; struct dieinfo di; @@ -2451,28 +2360,37 @@ DEFUN(scan_compilation_units, curoff = thisdie - dbbase; culength = nextdie - thisdie; curlnoffset = di.has_at_stmt_list ? lnoffset + di.at_stmt_list : 0; - pst = dwarf_start_psymtab (objfile, baseaddr, di.at_name, - di.at_low_pc, - di.at_high_pc, - dbfoff, curoff, culength, curlnoffset, - global_psymbols.next, - static_psymbols.next); - scan_partial_symbols (thisdie + di.dielength, nextdie); - pst -> n_global_syms = global_psymbols.next - - (global_psymbols.list + pst -> globals_offset); - pst -> n_static_syms = static_psymbols.next - - (static_psymbols.list + pst -> statics_offset); - /* Sort the global list; don't sort the static list */ - qsort (global_psymbols.list + pst -> globals_offset, - pst -> n_global_syms, sizeof (struct partial_symbol), - compare_psymbols); + + /* First allocate a new partial symbol table structure */ + + pst = start_psymtab_common (objfile, baseaddr, di.at_name, + di.at_low_pc, + objfile -> global_psymbols.next, + objfile -> static_psymbols.next); + + pst -> texthigh = di.at_high_pc; + pst -> read_symtab_private = (char *) + obstack_alloc (&objfile -> psymbol_obstack, + sizeof (struct dwfinfo)); + DBFOFF (pst) = dbfoff; + DBROFF (pst) = curoff; + DBLENGTH (pst) = culength; + LNFOFF (pst) = curlnoffset; + pst -> read_symtab = dwarf_psymtab_to_symtab; + + /* Now look for partial symbols */ + + scan_partial_symbols (thisdie + di.dielength, nextdie, objfile); + + pst -> n_global_syms = objfile -> global_psymbols.next - + (objfile -> global_psymbols.list + pst -> globals_offset); + pst -> n_static_syms = objfile -> static_psymbols.next - + (objfile -> static_psymbols.list + pst -> statics_offset); + sort_pst_symbols (pst); /* If there is already a psymtab or symtab for a file of this name, remove it. (If there is a symtab, more drastic things also happen.) This happens in VxWorks. */ free_named_symtabs (pst -> filename); - /* Place the partial symtab on the partial symtab list */ - pst -> next = partial_symtab_list; - partial_symtab_list = pst; } thisdie = nextdie; } @@ -2486,7 +2404,8 @@ LOCAL FUNCTION SYNOPSIS - static struct symbol *new_symbol (struct dieinfo *dip) + static struct symbol *new_symbol (struct dieinfo *dip, + struct objfile *objfile) DESCRIPTION @@ -2496,16 +2415,18 @@ DESCRIPTION */ static struct symbol * -DEFUN(new_symbol, (dip), struct dieinfo *dip) +new_symbol (dip, objfile) + struct dieinfo *dip; + struct objfile *objfile; { struct symbol *sym = NULL; if (dip -> at_name != NULL) { - sym = (struct symbol *) obstack_alloc (symbol_obstack, + sym = (struct symbol *) obstack_alloc (&objfile -> symbol_obstack, sizeof (struct symbol)); (void) memset (sym, 0, sizeof (struct symbol)); - SYMBOL_NAME (sym) = create_name (dip -> at_name, symbol_obstack); + SYMBOL_NAME (sym) = create_name (dip -> at_name, &objfile->symbol_obstack); /* default assumptions */ SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE; SYMBOL_CLASS (sym) = LOC_STATIC; @@ -2624,7 +2545,8 @@ DESCRIPTION */ static struct type * -DEFUN(decode_mod_fund_type, (typedata), char *typedata) +decode_mod_fund_type (typedata) + char *typedata; { struct type *typep = NULL; unsigned short modcount; @@ -2665,7 +2587,8 @@ DESCRIPTION */ static struct type * -DEFUN(decode_mod_u_d_type, (typedata), char *typedata) +decode_mod_u_d_type (typedata) + char *typedata; { struct type *typep = NULL; unsigned short modcount; @@ -2723,9 +2646,10 @@ BUGS */ static struct type * -DEFUN(decode_modified_type, - (modifiers, modcount, mtype), - unsigned char *modifiers AND unsigned short modcount AND int mtype) +decode_modified_type (modifiers, modcount, mtype) + unsigned char *modifiers; + unsigned int modcount; + int mtype; { struct type *typep = NULL; unsigned short fundtype; @@ -2749,7 +2673,7 @@ DEFUN(decode_modified_type, break; default: SQUAWK (("botched modified type decoding (mtype 0x%x)", mtype)); - typep = builtin_type_int; + typep = lookup_fundamental_type (current_objfile, FT_INTEGER); break; } } @@ -2799,11 +2723,12 @@ NOTES If we encounter a fundamental type that we are unprepared to deal with, and it is not in the range of those types defined as application specific types, then we issue a warning and - treat the type as builtin_type_int. + treat the type as an "int". */ static struct type * -DEFUN(decode_fund_type, (fundtype), unsigned short fundtype) +decode_fund_type (fundtype) + unsigned int fundtype; { struct type *typep = NULL; @@ -2811,85 +2736,108 @@ DEFUN(decode_fund_type, (fundtype), unsigned short fundtype) { case FT_void: - typep = builtin_type_void; + typep = lookup_fundamental_type (current_objfile, FT_VOID); break; + case FT_boolean: /* Was FT_set in AT&T version */ + typep = lookup_fundamental_type (current_objfile, FT_BOOLEAN); + break; + case FT_pointer: /* (void *) */ - typep = lookup_pointer_type (builtin_type_void); + typep = lookup_fundamental_type (current_objfile, FT_VOID); + typep = lookup_pointer_type (typep); break; case FT_char: + typep = lookup_fundamental_type (current_objfile, FT_CHAR); + break; + case FT_signed_char: - typep = builtin_type_char; + typep = lookup_fundamental_type (current_objfile, FT_SIGNED_CHAR); + break; + + case FT_unsigned_char: + typep = lookup_fundamental_type (current_objfile, FT_UNSIGNED_CHAR); break; case FT_short: + typep = lookup_fundamental_type (current_objfile, FT_SHORT); + break; + case FT_signed_short: - typep = builtin_type_short; + typep = lookup_fundamental_type (current_objfile, FT_SIGNED_SHORT); + break; + + case FT_unsigned_short: + typep = lookup_fundamental_type (current_objfile, FT_UNSIGNED_SHORT); break; case FT_integer: + typep = lookup_fundamental_type (current_objfile, FT_INTEGER); + break; + case FT_signed_integer: - case FT_boolean: /* Was FT_set in AT&T version */ - typep = builtin_type_int; + typep = lookup_fundamental_type (current_objfile, FT_SIGNED_INTEGER); + break; + + case FT_unsigned_integer: + typep = lookup_fundamental_type (current_objfile, FT_UNSIGNED_INTEGER); break; case FT_long: + typep = lookup_fundamental_type (current_objfile, FT_LONG); + break; + case FT_signed_long: - typep = builtin_type_long; + typep = lookup_fundamental_type (current_objfile, FT_SIGNED_LONG); break; - case FT_float: - typep = builtin_type_float; + case FT_unsigned_long: + typep = lookup_fundamental_type (current_objfile, FT_UNSIGNED_LONG); break; - case FT_dbl_prec_float: - typep = builtin_type_double; + case FT_long_long: + typep = lookup_fundamental_type (current_objfile, FT_LONG_LONG); break; - - case FT_unsigned_char: - typep = builtin_type_unsigned_char; + + case FT_signed_long_long: + typep = lookup_fundamental_type (current_objfile, FT_SIGNED_LONG_LONG); break; - - case FT_unsigned_short: - typep = builtin_type_unsigned_short; + + case FT_unsigned_long_long: + typep = lookup_fundamental_type (current_objfile, FT_UNSIGNED_LONG_LONG); break; - - case FT_unsigned_integer: - typep = builtin_type_unsigned_int; + + case FT_float: + typep = lookup_fundamental_type (current_objfile, FT_FLOAT); break; - case FT_unsigned_long: - typep = builtin_type_unsigned_long; + case FT_dbl_prec_float: + typep = lookup_fundamental_type (current_objfile, FT_DBL_PREC_FLOAT); break; case FT_ext_prec_float: - typep = builtin_type_long_double; + typep = lookup_fundamental_type (current_objfile, FT_EXT_PREC_FLOAT); break; case FT_complex: - typep = builtin_type_complex; + typep = lookup_fundamental_type (current_objfile, FT_COMPLEX); break; case FT_dbl_prec_complex: - typep = builtin_type_double_complex; + typep = lookup_fundamental_type (current_objfile, FT_DBL_PREC_COMPLEX); break; - case FT_long_long: - case FT_signed_long_long: - typep = builtin_type_long_long; + case FT_ext_prec_complex: + typep = lookup_fundamental_type (current_objfile, FT_EXT_PREC_COMPLEX); break; - - case FT_unsigned_long_long: - typep = builtin_type_unsigned_long_long; - break; - + } if ((typep == NULL) && !(FT_lo_user <= fundtype && fundtype <= FT_hi_user)) { SQUAWK (("unexpected fundamental type 0x%x", fundtype)); - typep = builtin_type_void; + typep = lookup_fundamental_type (current_objfile, FT_VOID); } return (typep); @@ -2909,7 +2857,9 @@ DESCRIPTION */ static char * -DEFUN(create_name, (name, obstackp), char *name AND struct obstack *obstackp) +create_name (name, obstackp) + char *name; + struct obstack *obstackp; { int length; char *newname; @@ -2967,7 +2917,9 @@ NOTES */ static void -DEFUN(basicdieinfo, (dip, diep), struct dieinfo *dip AND char *diep) +basicdieinfo (dip, diep) + struct dieinfo *dip; + char *diep; { curdie = dip; (void) memset (dip, 0, sizeof (struct dieinfo)); @@ -3020,7 +2972,8 @@ NOTES */ static void -DEFUN(completedieinfo, (dip), struct dieinfo *dip) +completedieinfo (dip) + struct dieinfo *dip; { char *diep; /* Current pointer into raw DIE data */ char *end; /* Terminate DIE scan here */ diff --git a/gdb/elfread.c b/gdb/elfread.c index a24f4c2..f1d7f49 100644 --- a/gdb/elfread.c +++ b/gdb/elfread.c @@ -29,10 +29,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ * FIXME Still needs support for shared libraries. * * FIXME Still needs support for core files. * * FIXME The ".debug" and ".line" section names are hardwired. * - * FIXME Still needs support ELF symbol tables (as distinct * - * from DWARF support). Can use them to build the misc * - * function vector at least. This is fairly trivial once * - * bfd is extended to handle ELF symbol tables. * * * ************************************************************************/ @@ -43,15 +39,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "elf/external.h" #include "elf/internal.h" #include "bfd.h" -#include "symfile.h" #include "symtab.h" -#include "ansidecl.h" - -extern int EXFUN (strcmp, (CONST char *a, CONST char *b)); -extern int EXFUN (dwarf_build_psymtabs, - (int desc, char *filename, CORE_ADDR addr, int mainline, - unsigned int dbfoff, unsigned int dbsize, unsigned int lnoffset, - unsigned int lnsize, struct objfile *objfile)); +#include "symfile.h" #define STREQ(a,b) (strcmp((a),(b))==0) @@ -62,6 +51,25 @@ struct elfinfo { unsigned int lnsize; /* Size of dwarf line number section */ }; +static void +elf_symfile_init PARAMS ((struct sym_fns *)); + +static void +elf_new_init PARAMS ((void)); + +static void +elf_symfile_read PARAMS ((struct sym_fns *, CORE_ADDR, int)); + +static void +elf_symtab_read PARAMS ((bfd *, CORE_ADDR, int, struct objfile *)); + +static void +record_minimal_symbol PARAMS ((char *, CORE_ADDR, enum minimal_symbol_type, + struct objfile *)); + +static void +elf_locate_sections PARAMS ((bfd *, asection *, PTR)); + /* We are called once per section from elf_symfile_read. We need to examine each section we are passed, check to see if it is something we are interested in processing, and @@ -76,11 +84,14 @@ struct elfinfo { FIXME: The section names should not be hardwired strings. */ static void -DEFUN(elf_locate_sections, (abfd, sectp, ei), - bfd *abfd AND - asection *sectp AND - struct elfinfo *ei) +elf_locate_sections (abfd, sectp, eip) + bfd *abfd; + asection *sectp; + PTR eip; { + register struct elfinfo *ei; + + ei = (struct elfinfo *) eip; if (STREQ (sectp -> name, ".debug")) { ei -> dboffset = sectp -> filepos; @@ -93,9 +104,11 @@ DEFUN(elf_locate_sections, (abfd, sectp, ei), } } +#if 0 /* Currently unused */ + char * -DEFUN(elf_interpreter, (abfd), - bfd *abfd) +elf_interpreter (abfd) + bfd *abfd; { sec_ptr interp_sec; unsigned size; @@ -119,35 +132,35 @@ DEFUN(elf_interpreter, (abfd), return (interp); } +#endif + /* LOCAL FUNCTION - record_misc_function -- add entry to miscellaneous function vector + record_minimal_symbol -- add entry to minimal symbol table SYNOPSIS - static void record_misc_function (char *name, CORE_ADDR address) + static void record_minimal_symbol (char *name, CORE_ADDR address) DESCRIPTION Given a pointer to the name of a symbol that should be added to the - miscellaneous function vector, and the address associated with that - symbol, records this information for later use in building the - miscellaneous function vector. - -NOTES + minimal symbol table and the address associated with that symbol, records + this information for later use in building the minimal symbol table. - FIXME: For now we just use mf_unknown as the type. This should be - fixed. */ static void -DEFUN(record_misc_function, (name, address, mf_type), - char *name AND CORE_ADDR address AND enum misc_function_type mf_type) +record_minimal_symbol (name, address, ms_type, objfile) + char *name; + CORE_ADDR address; + enum minimal_symbol_type ms_type; + struct objfile *objfile; { - prim_record_misc_function (obsavestring (name, strlen (name)), address, - mf_type); + name = obsavestring (name, strlen (name), &objfile -> symbol_obstack); + prim_record_minimal_symbol (name, address, ms_type); } /* @@ -158,22 +171,24 @@ LOCAL FUNCTION SYNOPSIS - void elf_symtab_read (bfd *abfd, CORE_ADDR addr, int mainline) + void elf_symtab_read (bfd *abfd, CORE_ADDR addr, int mainline, + struct objfile *objfile) DESCRIPTION Given an open bfd, a base address to relocate symbols to, and a flag that specifies whether or not this bfd is for an executable or not (may be shared library for example), add all the global - function and data symbols to the miscellaneous function vector. + function and data symbols to the minimal symbol table. */ static void -DEFUN (elf_symtab_read, (abfd, addr, mainline), - bfd *abfd AND - CORE_ADDR addr AND - int mainline) +elf_symtab_read (abfd, addr, mainline, objfile) + bfd *abfd; + CORE_ADDR addr; + int mainline; + struct objfile *objfile; { unsigned int storage_needed; asymbol *sym; @@ -182,7 +197,7 @@ DEFUN (elf_symtab_read, (abfd, addr, mainline), unsigned int i; struct cleanup *back_to; CORE_ADDR symaddr; - enum misc_function_type mf_type; + enum minimal_symbol_type ms_type; storage_needed = get_symtab_upper_bound (abfd); @@ -214,17 +229,17 @@ DEFUN (elf_symtab_read, (abfd, addr, mainline), no way of figuring this out for absolute symbols. */ if (sym -> section -> flags & SEC_CODE) { - mf_type = mf_text; + ms_type = mst_text; } else if (sym -> section -> flags & SEC_DATA) { - mf_type = mf_data; + ms_type = mst_data; } else { - mf_type = mf_unknown; + ms_type = mst_unknown; } - record_misc_function ((char *) sym -> name, symaddr, mf_type); + record_minimal_symbol ((char *) sym -> name, symaddr, ms_type, objfile); } } do_cleanups (back_to); @@ -253,32 +268,32 @@ DEFUN (elf_symtab_read, (abfd, addr, mainline), Note that ELF files have a "minimal" symbol table, which looks a lot like a COFF symbol table, but has only the minimal information necessary for linking. We process this also, and just use the information to - add to the misc function vector. This gives us some minimal debugging + add to gdb's minimal symbol table. This gives us some minimal debugging capability even for files compiled without -g. */ static void -DEFUN(elf_symfile_read, (sf, addr, mainline), - struct sym_fns *sf AND - CORE_ADDR addr AND - int mainline) +elf_symfile_read (sf, addr, mainline) + struct sym_fns *sf; + CORE_ADDR addr; + int mainline; { bfd *abfd = sf->objfile->obfd; struct elfinfo ei; struct cleanup *back_to; - init_misc_bunches (); - back_to = make_cleanup (discard_misc_bunches, 0); + init_minimal_symbol_collection (); + back_to = make_cleanup (discard_minimal_symbols, 0); /* Process the normal ELF symbol table first. */ - elf_symtab_read (abfd, addr, mainline); + elf_symtab_read (abfd, addr, mainline, sf->objfile); /* Now process the DWARF debugging information, which is contained in special ELF sections. We first have to find them... */ (void) memset ((char *) &ei, 0, sizeof (ei)); - bfd_map_over_sections (abfd, elf_locate_sections, &ei); + bfd_map_over_sections (abfd, elf_locate_sections, (PTR) &ei); if (ei.dboffset && ei.lnoffset) { dwarf_build_psymtabs (fileno ((FILE *)(abfd -> iostream)), @@ -288,17 +303,18 @@ DEFUN(elf_symfile_read, (sf, addr, mainline), ei.lnoffset, ei.lnsize, sf->objfile); } - if (!partial_symtab_list) + if (!have_partial_symbols ()) { wrap_here (""); printf_filtered ("(no debugging symbols found)..."); wrap_here (""); } - /* Go over the miscellaneous functions and install them in the - miscellaneous function vector. */ - - condense_misc_bunches (!mainline); + /* Install any minimal symbols that have been collected as the current + minimal symbols for this objfile. */ + + install_minimal_symbols (!mainline, sf -> objfile); + do_cleanups (back_to); } @@ -310,7 +326,7 @@ DEFUN(elf_symfile_read, (sf, addr, mainline), just a stub. */ static void -DEFUN_VOID (elf_new_init) +elf_new_init () { } @@ -324,8 +340,8 @@ DEFUN_VOID (elf_new_init) just a stub. */ static void -DEFUN(elf_symfile_init, (sf), - struct sym_fns *sf) +elf_symfile_init (sf) + struct sym_fns *sf; { } @@ -358,7 +374,7 @@ static struct sym_fns elf_sym_fns = { }; void -DEFUN_VOID (_initialize_elfread) +_initialize_elfread () { add_symtab_fns (&elf_sym_fns); } diff --git a/gdb/gdbtypes.c b/gdb/gdbtypes.c new file mode 100644 index 0000000..9190871 --- /dev/null +++ b/gdb/gdbtypes.c @@ -0,0 +1,956 @@ +/* Support routines for manipulating internal types for GDB. + Copyright (C) 1992 Free Software Foundation, Inc. + Contributed by Cygnus Support, using pieces from other GDB modules. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include <stdio.h> +#include "defs.h" +#include "bfd.h" +#include "symtab.h" +#include "symfile.h" +#include "gdbtypes.h" +#include "expression.h" +#include "language.h" +#include "target.h" +#include "value.h" + +/* Alloc a new type structure and fill it with some defaults. If + OBJFILE is non-NULL, then allocate the space for the type structure + in that objfile's type_obstack. */ + +struct type * +alloc_type (objfile) + struct objfile *objfile; +{ + register struct type *type; + + /* Alloc the structure and start off with all fields zeroed. */ + + if (objfile == NULL) + { + type = (struct type *) xmalloc (sizeof (struct type)); + } + else + { + type = (struct type *) obstack_alloc (&objfile -> type_obstack, + sizeof (struct type)); + } + (void) memset (type, 0, sizeof (struct type)); + + /* Initialize the fields that might not be zero. */ + + TYPE_CODE (type) = TYPE_CODE_UNDEF; + TYPE_OBJFILE (type) = objfile; + TYPE_VPTR_FIELDNO (type) = -1; + + return (type); +} + +/* Given a type TYPE, return a type of pointers to that type. + May need to construct such a type if this is the first use. */ + +struct type * +lookup_pointer_type (type) + struct type *type; +{ + register struct type *ptype; + + if ((ptype = TYPE_POINTER_TYPE (type)) == NULL) + { + /* This is the first time anyone wanted a pointer to a TYPE. */ + + ptype = alloc_type (TYPE_OBJFILE (type)); + TYPE_TARGET_TYPE (ptype) = type; + TYPE_POINTER_TYPE (type) = ptype; + + /* We assume the machine has only one representation for pointers! */ + /* FIXME: This confuses host<->target data representations, and is a + poor assumption besides. */ + + TYPE_LENGTH (ptype) = sizeof (char *); + TYPE_CODE (ptype) = TYPE_CODE_PTR; + + } + return (ptype); +} + +struct type * +lookup_reference_type (type) + struct type *type; +{ + register struct type *rtype; + + if ((rtype = TYPE_REFERENCE_TYPE (type)) == NULL) + { + /* This is the first time anyone wanted a pointer to a TYPE. */ + + rtype = alloc_type (TYPE_OBJFILE (type)); + TYPE_TARGET_TYPE (rtype) = type; + TYPE_REFERENCE_TYPE (type) = rtype; + + /* We assume the machine has only one representation for pointers! */ + /* FIXME: This confuses host<->target data representations, and is a + poor assumption besides. */ + + TYPE_LENGTH (rtype) = sizeof (char *); + TYPE_CODE (rtype) = TYPE_CODE_REF; + + } + return (rtype); +} + +/* Given a type TYPE, return a type of functions that return that type. + May need to construct such a type if this is the first use. */ + +struct type * +lookup_function_type (type) + struct type *type; +{ + register struct type *ptype; + + if ((ptype = TYPE_FUNCTION_TYPE (type)) == NULL) + { + /* This is the first time anyone wanted a function returning a TYPE. */ + + ptype = alloc_type (TYPE_OBJFILE (type)); + TYPE_TARGET_TYPE (ptype) = type; + TYPE_FUNCTION_TYPE (type) = ptype; + + TYPE_LENGTH (ptype) = 1; + TYPE_CODE (ptype) = TYPE_CODE_FUNC; + } + return (ptype); +} + +/* Implement direct support for MEMBER_TYPE in GNU C++. + May need to construct such a type if this is the first use. + The TYPE is the type of the member. The DOMAIN is the type + of the aggregate that the member belongs to. */ + +struct type * +lookup_member_type (type, domain) + struct type *type; + struct type *domain; +{ + register struct type *mtype; + + mtype = alloc_type (TYPE_OBJFILE (type)); + smash_to_member_type (mtype, domain, type); + return (mtype); +} + +/* Allocate a stub method whose return type is TYPE. + This apparently happens for speed of symbol reading, since parsing + out the arguments to the method is cpu-intensive, the way we are doing + it. So, we will fill in arguments later. + This always returns a fresh type. */ + +struct type * +allocate_stub_method (type) + struct type *type; +{ + struct type *mtype; + + mtype = alloc_type (TYPE_OBJFILE (type)); + TYPE_TARGET_TYPE (mtype) = type; + /* _DOMAIN_TYPE (mtype) = unknown yet */ + /* _ARG_TYPES (mtype) = unknown yet */ + TYPE_FLAGS (mtype) = TYPE_FLAG_STUB; + TYPE_CODE (mtype) = TYPE_CODE_METHOD; + TYPE_LENGTH (mtype) = 1; + return (mtype); +} + +/* Create an array type. Elements will be of type TYPE, and there will + be NUM of them. + + Eventually this should be extended to take two more arguments which + specify the bounds of the array and the type of the index. + It should also be changed to be a "lookup" function, with the + appropriate data structures added to the type field. + Then read array type should call here. */ + +struct type * +create_array_type (element_type, number) + struct type *element_type; + int number; +{ + struct type *result_type; + struct type *range_type; + + result_type = alloc_type (TYPE_OBJFILE (element_type)); + + TYPE_CODE (result_type) = TYPE_CODE_ARRAY; + TYPE_TARGET_TYPE (result_type) = element_type; + TYPE_LENGTH (result_type) = number * TYPE_LENGTH (element_type); + TYPE_NFIELDS (result_type) = 1; + TYPE_FIELDS (result_type) = (struct field *) + obstack_alloc (&TYPE_OBJFILE (result_type) -> type_obstack, + sizeof (struct field)); + + { + /* Create range type. */ + range_type = alloc_type (TYPE_OBJFILE (result_type)); + TYPE_CODE (range_type) = TYPE_CODE_RANGE; + TYPE_TARGET_TYPE (range_type) = builtin_type_int; /* FIXME */ + + /* This should never be needed. */ + TYPE_LENGTH (range_type) = sizeof (int); + + TYPE_NFIELDS (range_type) = 2; + TYPE_FIELDS (range_type) = (struct field *) + obstack_alloc (&TYPE_OBJFILE (range_type) -> type_obstack, + 2 * sizeof (struct field)); + TYPE_FIELD_BITPOS (range_type, 0) = 0; /* FIXME */ + TYPE_FIELD_BITPOS (range_type, 1) = number-1; /* FIXME */ + TYPE_FIELD_TYPE (range_type, 0) = builtin_type_int; /* FIXME */ + TYPE_FIELD_TYPE (range_type, 1) = builtin_type_int; /* FIXME */ + } + TYPE_FIELD_TYPE(result_type,0)=range_type; + TYPE_VPTR_FIELDNO (result_type) = -1; + + return (result_type); +} + + +/* Smash TYPE to be a type of members of DOMAIN with type TO_TYPE. + A MEMBER is a wierd thing -- it amounts to a typed offset into + a struct, e.g. "an int at offset 8". A MEMBER TYPE doesn't + include the offset (that's the value of the MEMBER itself), but does + include the structure type into which it points (for some reason). + + FIXME: When "smashing" the type, we preserve the objfile that the + old type pointed to, since we aren't changing where the type is actually + allocated. If the two types aren't associated with the same objfile, + then we are in deep-s**t anyway... */ + +void +smash_to_member_type (type, domain, to_type) + struct type *type; + struct type *domain; + struct type *to_type; +{ + struct objfile *objfile; + + objfile = TYPE_OBJFILE (type); + + (void) memset (type, 0, sizeof (struct type)); + TYPE_OBJFILE (type) = objfile; + TYPE_TARGET_TYPE (type) = to_type; + TYPE_DOMAIN_TYPE (type) = domain; + TYPE_LENGTH (type) = 1; /* In practice, this is never needed. */ + TYPE_CODE (type) = TYPE_CODE_MEMBER; +} + +/* Smash TYPE to be a type of method of DOMAIN with type TO_TYPE. + METHOD just means `function that gets an extra "this" argument'. + + FIXME: When "smashing" the type, we preserve the objfile that the + old type pointed to, since we aren't changing where the type is actually + allocated. If the two types aren't associated with the same objfile, + then we are in deep-s**t anyway... */ + +void +smash_to_method_type (type, domain, to_type, args) + struct type *type; + struct type *domain; + struct type *to_type; + struct type **args; +{ + struct objfile *objfile; + + objfile = TYPE_OBJFILE (type); + + (void) memset (type, 0, sizeof (struct type)); + TYPE_OBJFILE (type) = objfile; + TYPE_TARGET_TYPE (type) = to_type; + TYPE_DOMAIN_TYPE (type) = domain; + TYPE_ARG_TYPES (type) = args; + TYPE_LENGTH (type) = 1; /* In practice, this is never needed. */ + TYPE_CODE (type) = TYPE_CODE_METHOD; +} + +/* Return a typename for a struct/union/enum type + without the tag qualifier. If the type has a NULL name, + NULL is returned. */ + +char * +type_name_no_tag (type) + register const struct type *type; +{ + register char *name; + + if ((name = TYPE_NAME (type)) != NULL) + { + switch (TYPE_CODE (type)) + { + case TYPE_CODE_STRUCT: + if(!strncmp (name, "struct ", 7)) + { + name += 7; + } + break; + case TYPE_CODE_UNION: + if(!strncmp (name, "union ", 6)) + { + name += 6; + } + break; + case TYPE_CODE_ENUM: + if(!strncmp (name, "enum ", 5)) + { + name += 5; + } + break; + } + } + return (name); +} + +/* Lookup a primitive type named NAME. + Return zero if NAME is not a primitive type.*/ + +struct type * +lookup_primitive_typename (name) + char *name; +{ + struct type ** const *p; + + for (p = current_language -> la_builtin_type_vector; *p != NULL; p++) + { + if (!strcmp ((**p) -> name, name)) + { + return (**p); + } + } + return (NULL); +} + +/* Lookup a typedef or primitive type named NAME, + visible in lexical block BLOCK. + If NOERR is nonzero, return zero if NAME is not suitably defined. */ + +struct type * +lookup_typename (name, block, noerr) + char *name; + struct block *block; + int noerr; +{ + register struct symbol *sym; + register struct type *tmp; + + sym = lookup_symbol (name, block, VAR_NAMESPACE, 0, (struct symtab **) NULL); + if (sym == NULL || SYMBOL_CLASS (sym) != LOC_TYPEDEF) + { + tmp = lookup_primitive_typename (name); + if (tmp) + { + return (tmp); + } + else if (!tmp && noerr) + { + return (NULL); + } + else + { + error ("No type named %s.", name); + } + } + return (SYMBOL_TYPE (sym)); +} + +struct type * +lookup_unsigned_typename (name) + char *name; +{ + char *uns = alloca (strlen (name) + 10); + + strcpy (uns, "unsigned "); + strcpy (uns + 9, name); + return (lookup_typename (uns, (struct block *) NULL, 0)); +} + +/* Lookup a structure type named "struct NAME", + visible in lexical block BLOCK. */ + +struct type * +lookup_struct (name, block) + char *name; + struct block *block; +{ + register struct symbol *sym; + + sym = lookup_symbol (name, block, STRUCT_NAMESPACE, 0, + (struct symtab **) NULL); + + if (sym == NULL) + { + error ("No struct type named %s.", name); + } + if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_STRUCT) + { + error ("This context has class, union or enum %s, not a struct.", name); + } + return (SYMBOL_TYPE (sym)); +} + +/* Lookup a union type named "union NAME", + visible in lexical block BLOCK. */ + +struct type * +lookup_union (name, block) + char *name; + struct block *block; +{ + register struct symbol *sym; + + sym = lookup_symbol (name, block, STRUCT_NAMESPACE, 0, + (struct symtab **) NULL); + + if (sym == NULL) + { + error ("No union type named %s.", name); + } + if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_UNION) + { + error ("This context has class, struct or enum %s, not a union.", name); + } + return (SYMBOL_TYPE (sym)); +} + +/* Lookup an enum type named "enum NAME", + visible in lexical block BLOCK. */ + +struct type * +lookup_enum (name, block) + char *name; + struct block *block; +{ + register struct symbol *sym; + + sym = lookup_symbol (name, block, STRUCT_NAMESPACE, 0, + (struct symtab **) NULL); + if (sym == NULL) + { + error ("No enum type named %s.", name); + } + if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_ENUM) + { + error ("This context has class, struct or union %s, not an enum.", name); + } + return (SYMBOL_TYPE (sym)); +} + +/* Lookup a template type named "template NAME<TYPE>", + visible in lexical block BLOCK. */ + +struct type * +lookup_template_type (name, type, block) + char *name; + struct type *type; + struct block *block; +{ + struct symbol *sym; + char *nam = (char*) alloca(strlen(name) + strlen(type->name) + 4); + strcpy (nam, name); + strcat (nam, "<"); + strcat (nam, type->name); + strcat (nam, " >"); /* FIXME, extra space still introduced in gcc? */ + + sym = lookup_symbol (nam, block, VAR_NAMESPACE, 0, (struct symtab **)NULL); + + if (sym == NULL) + { + error ("No template type named %s.", name); + } + if (TYPE_CODE (SYMBOL_TYPE (sym)) != TYPE_CODE_STRUCT) + { + error ("This context has class, union or enum %s, not a struct.", name); + } + return (SYMBOL_TYPE (sym)); +} + +/* Given a type TYPE, lookup the type of the component of type named + NAME. + If NOERR is nonzero, return zero if NAME is not suitably defined. */ + +struct type * +lookup_struct_elt_type (type, name, noerr) + struct type *type; + char *name; + int noerr; +{ + int i; + + if (TYPE_CODE (type) != TYPE_CODE_STRUCT && + TYPE_CODE (type) != TYPE_CODE_UNION) + { + target_terminal_ours (); + fflush (stdout); + fprintf (stderr, "Type "); + type_print (type, "", stderr, -1); + error (" is not a structure or union type."); + } + + check_stub_type (type); + + for (i = TYPE_NFIELDS (type) - 1; i >= TYPE_N_BASECLASSES (type); i--) + { + char *t_field_name = TYPE_FIELD_NAME (type, i); + + if (t_field_name && !strcmp (t_field_name, name)) + { + return TYPE_FIELD_TYPE (type, i); + } + } + + /* OK, it's not in this class. Recursively check the baseclasses. */ + for (i = TYPE_N_BASECLASSES (type) - 1; i >= 0; i--) + { + struct type *t; + + t = lookup_struct_elt_type (TYPE_BASECLASS (type, i), name, 0); + if (t != NULL) + { + return t; + } + } + + if (noerr) + { + return NULL; + } + + target_terminal_ours (); + fflush (stdout); + fprintf (stderr, "Type "); + type_print (type, "", stderr, -1); + fprintf (stderr, " has no component named "); + fputs_filtered (name, stderr); + error ("."); + return (struct type *)-1; /* For lint */ +} + +/* This function is really horrible, but to avoid it, there would need + to be more filling in of forward references. */ + +void +fill_in_vptr_fieldno (type) + struct type *type; +{ + if (TYPE_VPTR_FIELDNO (type) < 0) + { + int i; + for (i = 1; i < TYPE_N_BASECLASSES (type); i++) + { + fill_in_vptr_fieldno (TYPE_BASECLASS (type, i)); + if (TYPE_VPTR_FIELDNO (TYPE_BASECLASS (type, i)) >= 0) + { + TYPE_VPTR_FIELDNO (type) + = TYPE_VPTR_FIELDNO (TYPE_BASECLASS (type, i)); + TYPE_VPTR_BASETYPE (type) + = TYPE_VPTR_BASETYPE (TYPE_BASECLASS (type, i)); + break; + } + } + } +} + +/* Added by Bryan Boreham, Kewill, Sun Sep 17 18:07:17 1989. + + If this is a stubbed struct (i.e. declared as struct foo *), see if + we can find a full definition in some other file. If so, copy this + definition, so we can use it in future. If not, set a flag so we + don't waste too much time in future. (FIXME, this doesn't seem + to be happening...) + + This used to be coded as a macro, but I don't think it is called + often enough to merit such treatment. +*/ + +struct complaint stub_noname_complaint = + {"stub type has NULL name", 0, 0}; + +void +check_stub_type (type) + struct type *type; +{ + if (TYPE_FLAGS(type) & TYPE_FLAG_STUB) + { + char* name = type_name_no_tag (type); + struct symbol *sym; + if (name == NULL) + { + complain (&stub_noname_complaint, 0); + return; + } + sym = lookup_symbol (name, 0, STRUCT_NAMESPACE, 0, + (struct symtab **) NULL); + if (sym) + { + memcpy (type, SYMBOL_TYPE(sym), sizeof (struct type)); + } + } +} + +/* Ugly hack to convert method stubs into method types. + + He ain't kiddin'. This demangles the name of the method into a string + including argument types, parses out each argument type, generates + a string casting a zero to that type, evaluates the string, and stuffs + the resulting type into an argtype vector!!! Then it knows the type + of the whole function (including argument types for overloading), + which info used to be in the stab's but was removed to hack back + the space required for them. */ + +void +check_stub_method (type, i, j) + struct type *type; + int i; + int j; +{ + struct fn_field *f; + char *mangled_name = gdb_mangle_name (type, i, j); + char *demangled_name = cplus_demangle (mangled_name, 0); + char *argtypetext, *p; + int depth = 0, argcount = 1; + struct type **argtypes; + struct type *mtype; + + if (demangled_name == NULL) + { + error ("Internal: Cannot demangle mangled name `%s'.", mangled_name); + } + + /* Now, read in the parameters that define this type. */ + argtypetext = strchr (demangled_name, '(') + 1; + p = argtypetext; + while (*p) + { + if (*p == '(') + { + depth += 1; + } + else if (*p == ')') + { + depth -= 1; + } + else if (*p == ',' && depth == 0) + { + argcount += 1; + } + + p += 1; + } + + /* We need two more slots: one for the THIS pointer, and one for the + NULL [...] or void [end of arglist]. */ + + argtypes = (struct type **) + obstack_alloc (&TYPE_OBJFILE (type) -> type_obstack, + (argcount+2) * sizeof (struct type *)); + p = argtypetext; + argtypes[0] = lookup_pointer_type (type); + argcount = 1; + + if (*p != ')') /* () means no args, skip while */ + { + depth = 0; + while (*p) + { + if (depth <= 0 && (*p == ',' || *p == ')')) + { + argtypes[argcount] = + parse_and_eval_type (argtypetext, p - argtypetext); + argcount += 1; + argtypetext = p + 1; + } + + if (*p == '(') + { + depth += 1; + } + else if (*p == ')') + { + depth -= 1; + } + + p += 1; + } + } + + if (p[-2] != '.') /* ... */ + { + argtypes[argcount] = builtin_type_void; /* Ellist terminator */ + } + else + { + argtypes[argcount] = NULL; /* List terminator */ + } + + free (demangled_name); + + f = TYPE_FN_FIELDLIST1 (type, i); + TYPE_FN_FIELD_PHYSNAME (f, j) = mangled_name; + + /* Now update the old "stub" type into a real type. */ + mtype = TYPE_FN_FIELD_TYPE (f, j); + TYPE_DOMAIN_TYPE (mtype) = type; + TYPE_ARG_TYPES (mtype) = argtypes; + TYPE_FLAGS (mtype) &= ~TYPE_FLAG_STUB; + TYPE_FN_FIELD_STUB (f, j) = 0; +} + +const struct cplus_struct_type cplus_struct_default; + +void +allocate_cplus_struct_type (type) + struct type *type; +{ + if (!HAVE_CPLUS_STRUCT (type)) + { + TYPE_CPLUS_SPECIFIC (type) = (struct cplus_struct_type *) + obstack_alloc (¤t_objfile -> type_obstack, + sizeof (struct cplus_struct_type)); + *(TYPE_CPLUS_SPECIFIC(type)) = cplus_struct_default; + } +} + +/* Helper function to initialize the standard scalar types. */ + +struct type * +init_type (code, length, flags, name, objfile) + enum type_code code; + int length; + int flags; + char *name; + struct objfile *objfile; +{ + register struct type *type; + + type = alloc_type (objfile); + TYPE_CODE (type) = code; + TYPE_LENGTH (type) = length; + TYPE_FLAGS (type) |= flags; + TYPE_NAME (type) = name; + + /* C++ fancies. */ + + if (code == TYPE_CODE_STRUCT || code == TYPE_CODE_UNION) + { + INIT_CPLUS_SPECIFIC (type); + } + return (type); +} + +/* Look up a fundamental type for the specified objfile. + May need to construct such a type if this is the first use. + + Some object file formats (ELF, COFF, etc) do not define fundamental + types such as "int" or "double". Others (stabs for example), do + define fundamental types. + + For the formats which don't provide fundamental types, gdb can create + such types, using defaults reasonable for the current target machine. */ + +struct type * +lookup_fundamental_type (objfile, typeid) + struct objfile *objfile; + int typeid; +{ + register struct type *type = NULL; + register struct type **typep; + register int nbytes; + + if (typeid < 0 || typeid >= FT_NUM_MEMBERS) + { + error ("internal error - invalid fundamental type id %d", typeid); + } + else + { + /* If this is the first time we */ + if (objfile -> fundamental_types == NULL) + { + nbytes = FT_NUM_MEMBERS * sizeof (struct type *); + objfile -> fundamental_types = (struct type **) + obstack_alloc (&objfile -> type_obstack, nbytes); + (void) memset (objfile -> fundamental_types, 0, nbytes); + } + typep = objfile -> fundamental_types + typeid; + if ((type = *typep) == NULL) + { + switch (typeid) + { + default: + error ("internal error: unhandled type id %d", typeid); + break; + case FT_VOID: + type = init_type (TYPE_CODE_VOID, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + 0, + "void", objfile); + break; + case FT_BOOLEAN: + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "boolean", (struct objfile *) NULL); + break; + case FT_STRING: + type = init_type (TYPE_CODE_PASCAL_ARRAY, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + 0, + "string", (struct objfile *) NULL); + break; + case FT_CHAR: + type = init_type (TYPE_CODE_INT, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + 0, + "char", (struct objfile *) NULL); + break; + case FT_SIGNED_CHAR: + type = init_type (TYPE_CODE_INT, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, + "signed char", (struct objfile *) NULL); + break; + case FT_UNSIGNED_CHAR: + type = init_type (TYPE_CODE_INT, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned char", (struct objfile *) NULL); + break; + case FT_SHORT: + type = init_type (TYPE_CODE_INT, + TARGET_SHORT_BIT / TARGET_CHAR_BIT, + 0, + "short", (struct objfile *) NULL); + break; + case FT_SIGNED_SHORT: + type = init_type (TYPE_CODE_INT, + TARGET_SHORT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, + "signed short", (struct objfile *) NULL); + break; + case FT_UNSIGNED_SHORT: + type = init_type (TYPE_CODE_INT, + TARGET_SHORT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned short", (struct objfile *) NULL); + break; + case FT_INTEGER: + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + 0, + "int", (struct objfile *) NULL); + break; + case FT_SIGNED_INTEGER: + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, + "signed int", (struct objfile *) NULL); + break; + case FT_UNSIGNED_INTEGER: + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned int", (struct objfile *) NULL); + break; + case FT_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_BIT / TARGET_CHAR_BIT, + 0, + "long", (struct objfile *) NULL); + break; + case FT_SIGNED_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, + "signed long", (struct objfile *) NULL); + break; + case FT_UNSIGNED_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned long", (struct objfile *) NULL); + break; + case FT_LONG_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, + 0, + "long long", (struct objfile *) NULL); + break; + case FT_SIGNED_LONG_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, + "signed long long", (struct objfile *) NULL); + break; + case FT_UNSIGNED_LONG_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned long long", + (struct objfile *) NULL); + break; + case FT_FLOAT: + type = init_type (TYPE_CODE_FLT, + TARGET_FLOAT_BIT / TARGET_CHAR_BIT, + 0, + "float", (struct objfile *) NULL); + break; + case FT_DBL_PREC_FLOAT: + type = init_type (TYPE_CODE_FLT, + TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, + 0, + "double", (struct objfile *) NULL); + break; + case FT_EXT_PREC_FLOAT: + type = init_type (TYPE_CODE_FLT, + TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, + 0, + "long double", (struct objfile *) NULL); + break; + case FT_COMPLEX: + type = init_type (TYPE_CODE_FLT, + TARGET_COMPLEX_BIT / TARGET_CHAR_BIT, + 0, + "complex", (struct objfile *) NULL); + break; + case FT_DBL_PREC_COMPLEX: + type = init_type (TYPE_CODE_FLT, + TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT, + 0, + "double complex", (struct objfile *) NULL); + break; + case FT_EXT_PREC_COMPLEX: + type = init_type (TYPE_CODE_FLT, + TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT, + 0, + "long double complex", + (struct objfile *) NULL); + break; + } + /* Install the newly created type in the objfile's fundamental_types + vector. */ + *typep = type; + } + } + return (type); +} + diff --git a/gdb/gdbtypes.h b/gdb/gdbtypes.h index e69de29..6306e78 100644 --- a/gdb/gdbtypes.h +++ b/gdb/gdbtypes.h @@ -0,0 +1,547 @@ +/* Internal type definitions for GDB. + Copyright (C) 1992 Free Software Foundation, Inc. + Contributed by Cygnus Support, using pieces from other GDB modules. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#if !defined (GDBTYPES_H) +#define GDBTYPES_H 1 + +/* When gdb creates fundamental types, it uses one of the following + type identifiers. The identifiers are used to index a vector of + pointers to any types that are created. */ + +#define FT_VOID 0 +#define FT_BOOLEAN 1 +#define FT_CHAR 2 +#define FT_SIGNED_CHAR 3 +#define FT_UNSIGNED_CHAR 4 +#define FT_SHORT 5 +#define FT_SIGNED_SHORT 6 +#define FT_UNSIGNED_SHORT 7 +#define FT_INTEGER 8 +#define FT_SIGNED_INTEGER 9 +#define FT_UNSIGNED_INTEGER 10 +#define FT_LONG 11 +#define FT_SIGNED_LONG 12 +#define FT_UNSIGNED_LONG 13 +#define FT_LONG_LONG 14 +#define FT_SIGNED_LONG_LONG 15 +#define FT_UNSIGNED_LONG_LONG 16 +#define FT_FLOAT 17 +#define FT_DBL_PREC_FLOAT 18 +#define FT_EXT_PREC_FLOAT 19 +#define FT_COMPLEX 20 +#define FT_DBL_PREC_COMPLEX 21 +#define FT_EXT_PREC_COMPLEX 22 +#define FT_STRING 23 + +#define FT_NUM_MEMBERS 24 + +/* Different kinds of data types are distinguished by the `code' field. */ + +enum type_code +{ + TYPE_CODE_UNDEF, /* Not used; catches errors */ + TYPE_CODE_PTR, /* Pointer type */ + TYPE_CODE_ARRAY, /* Array type, lower bound zero */ + TYPE_CODE_STRUCT, /* C struct or Pascal record */ + TYPE_CODE_UNION, /* C union or Pascal variant part */ + TYPE_CODE_ENUM, /* Enumeration type */ + TYPE_CODE_FUNC, /* Function type */ + TYPE_CODE_INT, /* Integer type */ + TYPE_CODE_FLT, /* Floating type */ + TYPE_CODE_VOID, /* Void type (values zero length) */ + TYPE_CODE_SET, /* Pascal sets */ + TYPE_CODE_RANGE, /* Range (integers within spec'd bounds) */ + TYPE_CODE_PASCAL_ARRAY, /* Array with explicit type of index */ + TYPE_CODE_ERROR, /* Unknown type */ + + /* C++ */ + TYPE_CODE_MEMBER, /* Member type */ + TYPE_CODE_METHOD, /* Method type */ + TYPE_CODE_REF, /* C++ Reference types */ + + /* Modula-2 */ + TYPE_CODE_CHAR, /* *real* character type */ + TYPE_CODE_BOOL /* Builtin Modula-2 BOOLEAN */ +}; + +/* Some bits for the type's flags word. */ + +/* Explicitly unsigned integer type */ + +#define TYPE_FLAG_UNSIGNED (1 << 0) + +/* Explicity signed integer type */ + +#define TYPE_FLAG_SIGNED (1 << 1) + +/* This appears in a type's flags word if it is a stub type (eg. if + someone referenced a type that wasn't defined in a source file + via (struct sir_not_appearing_in_this_film *)). */ + +#define TYPE_FLAG_STUB (1 << 2) + +struct type +{ + + /* Code for kind of type */ + + enum type_code code; + + /* Name of this type, or NULL if none. + This is used for printing only, except by poorly designed C++ code. + Type names specified as input are defined by symbols. */ + + char *name; + + /* Length in bytes of storage for a value of this type */ + + unsigned length; + + /* Every type is now associated with a particular objfile, and the + type is allocated on the type_obstack for that objfile. One problem + however, is that there are times when gdb allocates new types while + it is not in the process of reading symbols from a particular objfile. + Fortunately, these happen when the type being created is a derived + type of an existing type, such as in lookup_pointer_type(). So + we can just allocate the new type using the same objfile as the + existing type, but to do this we need a backpointer to the objfile + from the existing type. Yes this is somewhat ugly, but without + major overhaul of the internal type system, it can't be avoided + for now. */ + + struct objfile *objfile; + + /* For a pointer type, describes the type of object pointed to. + For an array type, describes the type of the elements. + For a function or method type, describes the type of the value. + For a range type, describes the type of the full range. + Unused otherwise. */ + + struct type *target_type; + + /* Type that is a pointer to this type. + NULL if no such pointer-to type is known yet. + The debugger may add the address of such a type + if it has to construct one later. */ + + struct type *pointer_type; + + /* C++: also need a reference type. */ + + struct type *reference_type; + + /* Type that is a function returning this type. + NULL if no such function type is known here. + The debugger may add the address of such a type + if it has to construct one later. */ + + struct type *function_type; + + /* Flags about this type. */ + + short flags; + + /* Number of fields described for this type */ + + short nfields; + + /* For structure and union types, a description of each field. + For set and pascal array types, there is one "field", + whose type is the domain type of the set or array. + For range types, there are two "fields", + the minimum and maximum values (both inclusive). + For enum types, each possible value is described by one "field". + + Using a pointer to a separate array of fields + allows all types to have the same size, which is useful + because we can allocate the space for a type before + we know what to put in it. */ + + struct field + { + + /* Position of this field, counting in bits from start of + containing structure. For a function type, this is the + position in the argument list of this argument. + For a range bound or enum value, this is the value itself. */ + + int bitpos; + + /* Size of this field, in bits, or zero if not packed. + For an unpacked field, the field's type's length + says how many bytes the field occupies. */ + + int bitsize; + + /* In a struct or enum type, type of this field. + In a function type, type of this argument. + In an array type, the domain-type of the array. */ + + struct type *type; + + /* Name of field, value or argument. + NULL for range bounds and array domains. */ + + char *name; + + } *fields; + + /* For types with virtual functions, VPTR_BASETYPE is the base class which + defined the virtual function table pointer. VPTR_FIELDNO is + the field number of that pointer in the structure. + + For types that are pointer to member types, VPTR_BASETYPE + is the type that this pointer is a member of. + + Unused otherwise. */ + + struct type *vptr_basetype; + + int vptr_fieldno; + + /* Slot to point to additional language-specific fields of this type. */ + + union type_specific + { + + /* ARG_TYPES is for TYPE_CODE_METHOD and TYPE_CODE_FUNC. */ + + struct type **arg_types; + + /* CPLUS_STUFF is for TYPE_CODE_STRUCT. */ + + struct cplus_struct_type *cplus_stuff; + + } type_specific; +}; + +#define NULL_TYPE ((struct type *) 0) + +/* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION + nodes. */ + +struct cplus_struct_type +{ + + B_TYPE *virtual_field_bits; /* if base class is virtual */ + + B_TYPE *private_field_bits; + + B_TYPE *protected_field_bits; + + /* Number of methods described for this type */ + + short nfn_fields; + + /* Number of base classes this type derives from. */ + + short n_baseclasses; + + /* Number of methods described for this type plus all the + methods that it derives from. */ + + int nfn_fields_total; + + /* For classes, structures, and unions, a description of each field, + which consists of an overloaded name, followed by the types of + arguments that the method expects, and then the name after it + has been renamed to make it distinct. */ + + struct fn_fieldlist + { + + /* The overloaded name. */ + + char *name; + + /* The number of methods with this name. */ + + int length; + + /* The list of methods. */ + + struct fn_field + { + + /* The return value of the method */ + + struct type *type; + + /* The argument list */ + + struct type **args; + + /* The name after it has been processed */ + + char *physname; + + /* For virtual functions. */ + /* First baseclass that defines this virtual function. */ + + struct type *fcontext; + + unsigned int is_const : 1; + unsigned int is_volatile : 1; + unsigned int is_private : 1; + unsigned int is_protected : 1; + unsigned int is_stub : 1; + unsigned int dummy : 3; + + /* Index into that baseclass's virtual function table, + minus 2; else if static: VOFFSET_STATIC; else: 0. */ + + unsigned voffset : 24; + +# define VOFFSET_STATIC 1 + + } *fn_fields; + + } *fn_fieldlists; + + unsigned char via_protected; + + unsigned char via_public; +}; + +/* The default value of TYPE_CPLUS_SPECIFIC(T) points to the + this shared static structure. */ + +extern const struct cplus_struct_type cplus_struct_default; + +extern void +allocate_cplus_struct_type PARAMS ((struct type *)); + +#define INIT_CPLUS_SPECIFIC(type) \ + (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default) +#define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type) +#define HAVE_CPLUS_STRUCT(type) \ + (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default) + +#define TYPE_NAME(thistype) (thistype)->name +#define TYPE_TARGET_TYPE(thistype) (thistype)->target_type +#define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type +#define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type +#define TYPE_FUNCTION_TYPE(thistype) (thistype)->function_type +#define TYPE_LENGTH(thistype) (thistype)->length +#define TYPE_OBJFILE(thistype) (thistype)->objfile +#define TYPE_FLAGS(thistype) (thistype)->flags +#define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED) +#define TYPE_CODE(thistype) (thistype)->code +#define TYPE_NFIELDS(thistype) (thistype)->nfields +#define TYPE_FIELDS(thistype) (thistype)->fields + +/* C++ */ + +#define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype +#define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype +#define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno +#define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields +#define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields +#define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total +#define TYPE_TYPE_SPECIFIC(thistype) (thistype)->type_specific +#define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types +#define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff +#define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type +#define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses +#define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name +#define TYPE_BASECLASS_BITPOS(thistype,index) (thistype)->fields[index].bitpos +#define BASETYPE_VIA_PUBLIC(thistype, index) (!TYPE_FIELD_PRIVATE(thistype, index)) +#define BASETYPE_VIA_VIRTUAL(thistype, index) \ + B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)) + +#define TYPE_FIELD(thistype, n) (thistype)->fields[n] +#define TYPE_FIELD_TYPE(thistype, n) (thistype)->fields[n].type +#define TYPE_FIELD_NAME(thistype, n) (thistype)->fields[n].name +#define TYPE_FIELD_VALUE(thistype, n) (* (int*) &(thistype)->fields[n].type) +#define TYPE_FIELD_BITPOS(thistype, n) (thistype)->fields[n].bitpos +#define TYPE_FIELD_BITSIZE(thistype, n) (thistype)->fields[n].bitsize +#define TYPE_FIELD_PACKED(thistype, n) (thistype)->fields[n].bitsize + +#define TYPE_FIELD_PRIVATE_BITS(thistype) \ + TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits +#define TYPE_FIELD_PROTECTED_BITS(thistype) \ + TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits +#define TYPE_FIELD_VIRTUAL_BITS(thistype) \ + TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits +#define SET_TYPE_FIELD_PRIVATE(thistype, n) \ + B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)) +#define SET_TYPE_FIELD_PROTECTED(thistype, n) \ + B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)) +#define SET_TYPE_FIELD_VIRTUAL(thistype, n) \ + B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)) +#define TYPE_FIELD_PRIVATE(thistype, n) \ + (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \ + : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))) +#define TYPE_FIELD_PROTECTED(thistype, n) \ + (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \ + : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))) +#define TYPE_FIELD_VIRTUAL(thistype, n) \ + B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)) + +#define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitpos == -1) +#define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) ((char *)(thistype)->fields[n].bitsize) + +#define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists +#define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n] +#define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields +#define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name +#define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length + +#define TYPE_FN_FIELD(thisfn, n) (thisfn)[n] +#define TYPE_FN_FIELD_NAME(thisfn, n) (thisfn)[n].name +#define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type +#define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type) +#define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname +#define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1) +#define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC) +#define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2) +#define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext) +#define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub) +#define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private) +#define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected) + +extern struct type *builtin_type_void; +extern struct type *builtin_type_char; +extern struct type *builtin_type_short; +extern struct type *builtin_type_int; +extern struct type *builtin_type_long; +extern struct type *builtin_type_unsigned_char; +extern struct type *builtin_type_unsigned_short; +extern struct type *builtin_type_unsigned_int; +extern struct type *builtin_type_unsigned_long; +extern struct type *builtin_type_float; +extern struct type *builtin_type_double; +extern struct type *builtin_type_long_double; +extern struct type *builtin_type_complex; +extern struct type *builtin_type_double_complex; + +/* This type represents a type that was unrecognized in symbol + read-in. */ + +extern struct type *builtin_type_error; + +extern struct type *builtin_type_long_long; +extern struct type *builtin_type_unsigned_long_long; + +/* Modula-2 types */ + +extern struct type *builtin_type_m2_char; +extern struct type *builtin_type_m2_int; +extern struct type *builtin_type_m2_card; +extern struct type *builtin_type_m2_real; +extern struct type *builtin_type_m2_bool; + +/* LONG_LONG is defined if the host has "long long". */ + +#ifdef LONG_LONG + +#define BUILTIN_TYPE_LONGEST builtin_type_long_long +#define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long_long + +#else /* not LONG_LONG. */ + +#define BUILTIN_TYPE_LONGEST builtin_type_long +#define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long + +#endif /* not LONG_LONG. */ + +/* Maximum and minimum values of built-in types */ + +#define MAX_OF_TYPE(t) \ + TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \ + : MAX_OF_SIZE(TYPE_LENGTH(t)) + +#define MIN_OF_TYPE(t) \ + TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \ + : MIN_OF_SIZE(TYPE_LENGTH(t)) + +extern struct type * +alloc_type PARAMS ((struct objfile *)); + +extern struct type * +init_type PARAMS ((enum type_code, int, int, char *, struct objfile *)); + +extern struct type * +lookup_reference_type PARAMS ((struct type *)); + +extern struct type * +lookup_member_type PARAMS ((struct type *, struct type *)); + +extern void +smash_to_method_type PARAMS ((struct type *, struct type *, struct type *, + struct type **)); + +extern void +smash_to_member_type PARAMS ((struct type *, struct type *, struct type *)); + +extern struct type * +allocate_stub_method PARAMS ((struct type *)); + +extern char * +type_name_no_tag PARAMS ((const struct type *)); + +extern struct type * +lookup_struct_elt_type PARAMS ((struct type *, char *, int)); + +extern struct type * +lookup_pointer_type PARAMS ((struct type *)); + +extern struct type * +lookup_function_type PARAMS ((struct type *)); + +extern struct type * +create_array_type PARAMS ((struct type *, int)); + +extern struct type * +lookup_unsigned_typename PARAMS ((char *)); + +extern void +check_stub_type PARAMS ((struct type *)); + +extern void +check_stub_method PARAMS ((struct type *, int, int)); + +extern struct type * +lookup_primitive_typename PARAMS ((char *)); + +extern char * +gdb_mangle_name PARAMS ((struct type *, int, int)); + +extern struct type * +builtin_type PARAMS ((char **)); + +extern struct type * +error_type PARAMS ((char **)); + +extern struct type * +lookup_typename PARAMS ((char *, struct block *, int)); + +extern struct type * +lookup_template_type PARAMS ((char *, struct type *, struct block *)); + +extern struct type * +lookup_fundamental_type PARAMS ((struct objfile *, int)); + +/* printcmd.c */ + +extern void +print_scalar_formatted PARAMS ((char *, struct type *, int, int, FILE *)); + +#endif /* GDBTYPES_H */ diff --git a/gdb/gmalloc.c b/gdb/gmalloc.c index 2c26699..8cbf4be 100755 --- a/gdb/gmalloc.c +++ b/gdb/gmalloc.c @@ -205,7 +205,7 @@ typedef unsigned long size_t; #include <stddef.h> #endif -extern void EXFUN(abort, (void)); +extern void EXFUN(abort, (NOARGS)); extern void EXFUN(free, (PTR)); extern PTR EXFUN(malloc, (size_t)); extern PTR EXFUN(realloc, (PTR, size_t)); @@ -267,7 +267,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ fragments in a block have been freed, the block itself is freed. */ #define INT_BIT (CHAR_BIT * sizeof(int)) #define BLOCKLOG (INT_BIT > 16 ? 12 : 9) -#define BLOCKSIZE (1 << BLOCKLOG) +#define BLOCKSIZE ((unsigned int) 1 << BLOCKLOG) #define BLOCKIFY(SIZE) (((SIZE) + BLOCKSIZE - 1) / BLOCKSIZE) /* The difference between two pointers is a signed int. On machines where @@ -377,7 +377,7 @@ extern PTR EXFUN((*__malloc_hook), (size_t __size)); extern PTR EXFUN((*__realloc_hook), (PTR __ptr, size_t __size)); /* Activate a standard collection of debugging hooks. */ -extern void EXFUN(mcheck, (void EXFUN((*func), (void)))); +extern void EXFUN(mcheck, (void EXFUN((*func), (NOARGS)))); /* Statistics available to the user. */ struct mstats diff --git a/gdb/gmalloc.h b/gdb/gmalloc.h index 93fef5e..b52db6d 100755 --- a/gdb/gmalloc.h +++ b/gdb/gmalloc.h @@ -143,7 +143,7 @@ extern PTR EXFUN((*__malloc_hook), (size_t __size)); extern PTR EXFUN((*__realloc_hook), (PTR __ptr, size_t __size)); /* Activate a standard collection of debugging hooks. */ -extern void EXFUN(mcheck, (void EXFUN((*func), (void)))); +extern void EXFUN(mcheck, (void EXFUN((*func), (NOARGS)))); /* Statistics available to the user. */ struct mstats diff --git a/gdb/gould-xdep.c b/gdb/gould-xdep.c index 3de6fd3..fe69c79 100644 --- a/gdb/gould-xdep.c +++ b/gdb/gould-xdep.c @@ -33,6 +33,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <sys/file.h> #include <sys/stat.h> + /* Work with core dump and executable files, for GDB. This code would be in core.c if it weren't machine-dependent. */ diff --git a/gdb/hp300ux-xdep.c b/gdb/hp300ux-xdep.c index 801c471..a7f8f72 100644 --- a/gdb/hp300ux-xdep.c +++ b/gdb/hp300ux-xdep.c @@ -135,7 +135,6 @@ fetch_inferior_registers (regno) int regno; { struct user u; - register int regno; register unsigned int ar0_offset; ar0_offset = (INFERIOR_AR0 (u)); @@ -157,6 +156,7 @@ fetch_inferior_registers (regno) If REGNO is -1, do this for all registers. Otherwise, REGNO specifies which register (so we can save time). */ +void store_inferior_registers (regno) register int regno; { @@ -194,10 +194,11 @@ store_inferior_registers (regno) #endif /* HPUX_VERSION_5 */ void -fetch_core_registers (core_reg_sect, core_reg_size, which) +fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr) char *core_reg_sect; int core_reg_size; int which; + unsigned int reg_addr; /* Unused in this version */ { int val, regno; struct user u; diff --git a/gdb/i386-xdep.c b/gdb/i386-xdep.c index f3c72d1..44e9c8a 100644 --- a/gdb/i386-xdep.c +++ b/gdb/i386-xdep.c @@ -43,9 +43,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "target.h" -extern void print_387_control_word (); /* i387-tdep.h */ -extern void print_387_status_word (); - extern struct ext_format ext_format_i387; /* this table must line up with REGISTER_NAMES in m-i386.h */ @@ -61,7 +58,11 @@ static int regmap[] = /* blockend is the value of u.u_ar0, and points to the * place where GS is stored */ + +int i386_register_u_addr (blockend, regnum) + int blockend; + int regnum; { #if 0 /* this will be needed if fp registers are reinstated */ diff --git a/gdb/i387-tdep.c b/gdb/i387-tdep.c index 0a85e2e..c968ade 100644 --- a/gdb/i387-tdep.c +++ b/gdb/i387-tdep.c @@ -48,23 +48,26 @@ struct ext_format ext_format_i387 = { /* FIXME: Eliminate these routines when we have the time to change all the callers. */ + void i387_to_double (from, to) - char *from, *to; + char *from; + char *to; { ieee_extended_to_double (&ext_format_i387, from, (double *)to); } void double_to_i387 (from, to) - char *from, *to; + char *from; + char *to; { double_to_ieee_extended (&ext_format_i387, (double *)from, to); } void print_387_control_word (control) -unsigned short control; + unsigned int control; { printf ("control %s: ", local_hex_string(control)); printf ("compute to "); @@ -101,7 +104,7 @@ unsigned short control; void print_387_status_word (status) - unsigned short status; + unsigned int status; { printf ("status %s: ", local_hex_string (status)); if (status & 0xff) diff --git a/gdb/i960-tdep.c b/gdb/i960-tdep.c index 308b21e..eda9d60 100644 --- a/gdb/i960-tdep.c +++ b/gdb/i960-tdep.c @@ -463,20 +463,18 @@ CORE_ADDR leafproc_return (ip) CORE_ADDR ip; /* ip from currently executing function */ { - int i; - register struct misc_function *mf; + register struct minimal_symbol *msymbol; char *p; int dst; unsigned int insn1, insn2; CORE_ADDR return_addr; char *index (); - if ((i = find_pc_misc_function (ip)) >= 0) + if ((msymbol = lookup_minimal_symbol_by_pc (ip)) != NULL) { - mf = &misc_function_vector[i]; - if ((p = index (mf->name, '.')) && !strcmp (p, ".lf")) + if ((p = index (msymbol -> name, '.')) && !strcmp (p, ".lf")) { - if (next_insn (mf->address, &insn1, &insn2) + if (next_insn (msymbol -> address, &insn1, &insn2) && (insn1 & 0xff87ffff) == 0x5c80161e /* mov g14, gx */ && (dst = REG_SRCDST (insn1)) <= G0_REGNUM + 7) { @@ -485,7 +483,7 @@ leafproc_return (ip) the return address from g14; otherwise, read it from the register into which g14 was moved. */ - return_addr = read_register ((ip == mf->address) + return_addr = read_register ((ip == msymbol->address) ? G14_REGNUM : dst); /* We know we are in a leaf procedure, but we don't know @@ -498,7 +496,7 @@ leafproc_return (ip) if (!next_insn (return_addr, &insn1, &insn2) || (insn1 & 0xff000000) != 0xa000000 /* ret */ - || find_pc_misc_function (return_addr) != i) + || lookup_minimal_symbol_by_pc (return_addr) != msymbol) return (return_addr); } } diff --git a/gdb/language.c b/gdb/language.c index cd5fb69..64da374 100644 --- a/gdb/language.c +++ b/gdb/language.c @@ -33,6 +33,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "defs.h" #include "symtab.h" +#include "gdbtypes.h" #include "value.h" #include "gdbcmd.h" #include "frame.h" @@ -1112,8 +1113,8 @@ _initialize_language() "Set the current source language.", &setlist); show = add_show_from_set (set, &showlist); - set->function = set_language_command; - show->function = show_language_command; + set->function.cfunc = set_language_command; + show->function.cfunc = show_language_command; add_prefix_cmd ("check", no_class, set_check, "Set the status of the type/range checker", @@ -1132,16 +1133,16 @@ _initialize_language() "Set type checking. (on/warn/off/auto)", &setchecklist); show = add_show_from_set (set, &showchecklist); - set->function = set_type_command; - show->function = show_type_command; + set->function.cfunc = set_type_command; + show->function.cfunc = show_type_command; set = add_set_cmd ("range", class_support, var_string_noescape, (char *)&range, "Set range checking. (on/warn/off/auto)", &setchecklist); show = add_show_from_set (set, &showchecklist); - set->function = set_range_command; - show->function = show_range_command; + set->function.cfunc = set_range_command; + show->function.cfunc = show_range_command; add_language (&unknown_language_defn); add_language (&local_language_defn); diff --git a/gdb/m2-exp.y b/gdb/m2-exp.y index 9d9c8d2..ab0cb9e 100644 --- a/gdb/m2-exp.y +++ b/gdb/m2-exp.y @@ -33,6 +33,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <string.h> #include "defs.h" #include "symtab.h" +#include "gdbtypes.h" #include "frame.h" #include "expression.h" #include "language.h" @@ -69,10 +70,23 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define yyval m2_val #define yylloc m2_lloc -/* Forward decl's */ -void yyerror (); -static int yylex (); -int yyparse (); +static char * +make_qualname PARAMS ((char *, char *)); + +static int +parse_number PARAMS ((int)); + +static int +yylex PARAMS ((void)); + +static void +yyerror PARAMS ((char *)); + +static void +__yy_bcopy PARAMS ((char *, char *, int)); + +int +yyparse PARAMS ((void)); /* The sign of the number being parsed. */ int number_sign = 1; @@ -81,8 +95,6 @@ int number_sign = 1; contained in, */ struct block *modblock=0; -char *make_qualname(); - /* #define YYDEBUG 1 */ %} @@ -602,34 +614,28 @@ variable: NAME } else { - register int i; + struct minimal_symbol *msymbol; register char *arg = copy_name ($1); - for (i = 0; i < misc_function_count; i++) - if (!strcmp (misc_function_vector[i].name, arg)) - break; - - if (i < misc_function_count) + msymbol = lookup_minimal_symbol (arg, + (struct objfile *) NULL); + if (msymbol != NULL) { - enum misc_function_type mft = - (enum misc_function_type) - misc_function_vector[i].type; - write_exp_elt_opcode (OP_LONG); write_exp_elt_type (builtin_type_int); - write_exp_elt_longcst ((LONGEST) misc_function_vector[i].address); + write_exp_elt_longcst ((LONGEST) msymbol -> address); write_exp_elt_opcode (OP_LONG); write_exp_elt_opcode (UNOP_MEMVAL); - if (mft == mf_data || mft == mf_bss) + if (msymbol -> type == mst_data || + msymbol -> type == mst_bss) write_exp_elt_type (builtin_type_int); - else if (mft == mf_text) + else if (msymbol -> type == mst_text) write_exp_elt_type (lookup_function_type (builtin_type_int)); else write_exp_elt_type (builtin_type_char); write_exp_elt_opcode (UNOP_MEMVAL); } - else if (symtab_list == 0 - && partial_symtab_list == 0) + else if (!have_full_symbols () && !have_partial_symbols ()) error ("No symbol table is loaded. Use the \"symbol-file\" command."); else error ("No symbol \"%s\" in current context.", @@ -681,8 +687,6 @@ parse_number (olen) register int len = olen; int unsigned_p = number_sign == 1 ? 1 : 0; - extern double atof (); - if(p[len-1] == 'H') { base = 16; @@ -1131,7 +1135,7 @@ yylex () } } -char * +static char * make_qualname(mod,ident) char *mod, *ident; { @@ -1144,8 +1148,9 @@ make_qualname(mod,ident) } -void -yyerror() +static void +yyerror(msg) + char *msg; /* unused */ { printf("Parsing: %s\n",lexptr); if (yychar < 256) @@ -1223,12 +1228,22 @@ _initialize_m2_exp () types are the same on the host and target machines!!! */ /* Modula-2 "pervasive" types. NOTE: these can be redefined!!! */ - builtin_type_m2_int = init_type (TYPE_CODE_INT, sizeof(int), 0, "INTEGER"); - builtin_type_m2_card = init_type (TYPE_CODE_INT, sizeof(int), 1, "CARDINAL"); - builtin_type_m2_real = init_type (TYPE_CODE_FLT, sizeof(float), 0, "REAL"); - builtin_type_m2_char = init_type (TYPE_CODE_CHAR, sizeof(char), 1, "CHAR"); + builtin_type_m2_int = + init_type (TYPE_CODE_INT, sizeof(int), 0, + "INTEGER", (struct objfile *) NULL); + builtin_type_m2_card = + init_type (TYPE_CODE_INT, sizeof(int), TYPE_FLAG_UNSIGNED, + "CARDINAL", (struct objfile *) NULL); + builtin_type_m2_real = + init_type (TYPE_CODE_FLT, sizeof(float), 0, + "REAL", (struct objfile *) NULL); + builtin_type_m2_char = + init_type (TYPE_CODE_CHAR, sizeof(char), TYPE_FLAG_UNSIGNED, + "CHAR", (struct objfile *) NULL); + builtin_type_m2_bool = + init_type (TYPE_CODE_BOOL, sizeof(int), TYPE_FLAG_UNSIGNED, + "BOOLEAN", (struct objfile *) NULL); - builtin_type_m2_bool = init_type (TYPE_CODE_BOOL, sizeof(int), 1, "BOOLEAN"); TYPE_NFIELDS(builtin_type_m2_bool) = 2; TYPE_FIELDS(builtin_type_m2_bool) = (struct field *) malloc (sizeof (struct field) * 2); diff --git a/gdb/m68k-pinsn.c b/gdb/m68k-pinsn.c index 7fc6242..4a19289 100644 --- a/gdb/m68k-pinsn.c +++ b/gdb/m68k-pinsn.c @@ -24,6 +24,21 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "opcode/m68k.h" #include "gdbcore.h" +/* Local function prototypes */ + +static int +fetch_arg PARAMS ((unsigned char *, int, int)); + +static void +print_base PARAMS ((int, int, FILE *)); + +static unsigned char * +print_indexed PARAMS ((int, unsigned char *, CORE_ADDR, FILE *)); + +static unsigned char * +print_insn_arg PARAMS ((char *, unsigned char *, unsigned char *, CORE_ADDR, + FILE *)); + /* 68k instructions are never longer than this many bytes. */ #define MAXLEN 22 @@ -34,10 +49,6 @@ extern char *reg_names[]; char *fpcr_names[] = { "", "fpiar", "fpsr", "fpiar/fpsr", "fpcr", "fpiar/fpcr", "fpsr/fpcr", "fpiar-fpcr"}; -static unsigned char *print_insn_arg (); -static unsigned char *print_indexed (); -static void print_base (); -static int fetch_arg (); #define NEXTBYTE(p) (p += 2, ((char *)p)[-1]) @@ -78,7 +89,7 @@ print_insn (memaddr, stream) register int bestmask; int best; - read_memory (memaddr, buffer, MAXLEN); + read_memory (memaddr, (char *) buffer, MAXLEN); bestmask = 0; best = -1; @@ -574,7 +585,7 @@ print_insn_arg (d, buffer, p, addr, stream) static int fetch_arg (buffer, code, bits) unsigned char *buffer; - char code; + int code; int bits; { register int val; @@ -674,8 +685,8 @@ static unsigned char * print_indexed (basereg, p, addr, stream) int basereg; unsigned char *p; - FILE *stream; CORE_ADDR addr; + FILE *stream; { register int word; static char *scales[] = {"", "*2", "*4", "*8"}; diff --git a/gdb/m88k-pinsn.c b/gdb/m88k-pinsn.c index 325c4ed..e6bb9d1 100644 --- a/gdb/m88k-pinsn.c +++ b/gdb/m88k-pinsn.c @@ -329,7 +329,7 @@ void sprint_address (addr, buffer) char *buffer; { - register int i; + struct minimal_symbol *msymbol; struct symbol *fs; char *name; int name_location; @@ -339,13 +339,13 @@ void sprint_address (addr, buffer) fs = find_pc_function (addr); if (!fs) { - i = find_pc_misc_function (addr); + msymbol = lookup_minimal_symbol_by_pc (addr); - if (i < 0) return; /* If nothing comes through, don't + if (i == NULL) return;/* If nothing comes through, don't print anything symbolic */ - name = misc_function_vector[i].name; - name_location = misc_function_vector[i].address; + name = msymbol -> name; + name_location = msymbol -> address; } else { name = fs->name; name_location = BLOCK_START (SYMBOL_BLOCK_VALUE (fs)); diff --git a/gdb/m88k-xdep.c b/gdb/m88k-xdep.c index dc6e4da..2c14ed4 100644 --- a/gdb/m88k-xdep.c +++ b/gdb/m88k-xdep.c @@ -66,9 +66,9 @@ extern int errno; extern char registers[REGISTER_BYTES]; void -fetch_inferior_registers () +fetch_inferior_registers (regno) + int regno; /* Original value discarded */ { - register int regno; register unsigned int regaddr; char buf[MAX_REGISTER_RAW_SIZE]; register int i; @@ -105,6 +105,7 @@ fetch_inferior_registers () If REGNO is -1, do this for all registers. Otherwise, REGNO specifies which register (so we can save time). */ +void store_inferior_registers (regno) int regno; { diff --git a/gdb/mach386-xdep.c b/gdb/mach386-xdep.c index 0b24d75..5152179 100644 --- a/gdb/mach386-xdep.c +++ b/gdb/mach386-xdep.c @@ -39,9 +39,11 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <sys/file.h> #include <sys/stat.h> #include <sys/core.h> + void -fetch_inferior_registers () +fetch_inferior_registers (regno) + int regno; /* Original value discarded */ { struct regs inferior_registers; struct fp_state inferior_fp_registers; @@ -65,6 +67,7 @@ fetch_inferior_registers () If REGNO is -1, do this for all registers. Otherwise, REGNO specifies which register (so we can save time). */ +void store_inferior_registers (regno) int regno; { @@ -106,12 +109,15 @@ store_inferior_registers (regno) /* These functions shouldn't be called when we're cross-debugging. */ +/* ARGSUSED */ void -fetch_inferior_registers () +fetch_inferior_registers (regno) + int regno; { } /* ARGSUSED */ +void store_inferior_registers (regno) int regno; { @@ -122,10 +128,11 @@ store_inferior_registers (regno) /* Work with core files, for GDB. */ void -fetch_core_registers (core_reg_sect, core_reg_size, which) +fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr) char *core_reg_sect; unsigned core_reg_size; int which; + unsigned int reg_addr; /* Unused in this version */ { int val; extern char registers[]; diff --git a/gdb/mcheck.c b/gdb/mcheck.c index 497bab2..38b997a 100755 --- a/gdb/mcheck.c +++ b/gdb/mcheck.c @@ -34,7 +34,7 @@ static PTR EXFUN((*old_realloc_hook), (PTR ptr, size_t size)); /* Function to call when something awful happens. */ extern void abort(); -static void EXFUN((*abortfunc), (void)) = (void (*)()) abort; +static void EXFUN((*abortfunc), (NOARGS)) = (void (*)()) abort; /* Arbitrary magical numbers. */ #define MAGICWORD 0xfedabeeb @@ -103,7 +103,7 @@ DEFUN(reallochook, (ptr, size), PTR ptr AND size_t size) } void -DEFUN(mcheck, (func), void EXFUN((*func), (void))) +DEFUN(mcheck, (func), void EXFUN((*func), (NOARGS))) { static int mcheck_used = 0; diff --git a/gdb/minsyms.c b/gdb/minsyms.c new file mode 100644 index 0000000..3040bf5 --- /dev/null +++ b/gdb/minsyms.c @@ -0,0 +1,491 @@ +/* GDB routines for manipulating the minimal symbol tables. + Copyright 1992 Free Software Foundation, Inc. + Contributed by Cygnus Support, using pieces from other GDB modules. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + + +/* This file contains support routines for creating, manipulating, and + destroying minimal symbol tables. + + Minimal symbol tables are used to hold some very basic information about + all defined global symbols (text, data, bss, abs, etc). The only two + required pieces of information are the symbol's name and the address + associated with that symbol. + + In many cases, even if a file was compiled with no special options for + debugging at all, as long as was not stripped it will contain sufficient + information to build useful minimal symbol tables using this structure. + + Even when a file contains enough debugging information to build a full + symbol table, these minimal symbols are still useful for quickly mapping + between names and addresses, and vice versa. They are also sometimes used + to figure out what full symbol table entries need to be read in. */ + + +#include <stdio.h> +#include "defs.h" +#include "symtab.h" +#include "bfd.h" +#include "symfile.h" + +/* Accumulate the minimal symbols for each objfile in bunches of BUNCH_SIZE. + At the end, copy them all into one newly allocated location on an objfile's + symbol obstack. */ + +#define BUNCH_SIZE 127 + +struct msym_bunch +{ + struct msym_bunch *next; + struct minimal_symbol contents[BUNCH_SIZE]; +}; + +/* Bunch currently being filled up. + The next field points to chain of filled bunches. */ + +static struct msym_bunch *msym_bunch; + +/* Number of slots filled in current bunch. */ + +static int msym_bunch_index; + +/* Total number of minimal symbols recorded so far for the objfile. */ + +static int msym_count; + +/* Prototypes for local functions. */ + +static int +compare_minimal_symbols PARAMS ((const void *, const void *)); + +static int +compact_minimal_symbols PARAMS ((struct minimal_symbol *, int)); + +/* Call the function specified by FUNC for each currently available minimal + symbol, for as long as this function continues to return NULL. If the + function ever returns non-NULL, then the iteration over the minimal + symbols is terminated,, the result is returned to the caller. + + The function called has full control over the form and content of the + information returned via the non-NULL result, which may be as simple as a + pointer to the minimal symbol that the iteration terminated on, or as + complex as a pointer to a private structure containing multiple results. */ + +PTR +iterate_over_msymbols (func, arg1, arg2, arg3) + PTR (*func) PARAMS ((struct objfile *, struct minimal_symbol *, + PTR, PTR, PTR)); + PTR arg1; + PTR arg2; + PTR arg3; +{ + register struct objfile *objfile; + register struct minimal_symbol *msymbol; + char *result = NULL; + + for (objfile = object_files; + objfile != NULL && result == NULL; + objfile = objfile -> next) + { + for (msymbol = objfile -> msymbols; + msymbol != NULL && msymbol -> name != NULL && result == NULL; + msymbol++) + { + result = (*func)(objfile, msymbol, arg1, arg2, arg3); + } + } + return (result); +} + +/* Look through all the current minimal symbol tables and find the first + minimal symbol that matches NAME. If OBJF is non-NULL, it specifies a + particular objfile and the search is limited to that objfile. Returns + a pointer to the minimal symbol that matches, or NULL if no match is found. + + Note: One instance where their may be duplicate minimal symbols with + the same name is when the symbol tables for a shared library and the + symbol tables for an executable contain global symbols with the same + names (the dynamic linker deals with the duplication). */ + +struct minimal_symbol * +lookup_minimal_symbol (name, objf) + register const char *name; + struct objfile *objf; +{ + struct objfile *objfile; + struct minimal_symbol *msymbol; + struct minimal_symbol *found_symbol = NULL; + + for (objfile = object_files; + objfile != NULL && found_symbol == NULL; + objfile = objfile -> next) + { + if (objf == NULL || objf == objfile) + { + for (msymbol = objfile -> msymbols; + msymbol != NULL && msymbol -> name != NULL && + found_symbol == NULL; + msymbol++) + { + if (strcmp (msymbol -> name, name) == 0) + { + found_symbol = msymbol; + } + } + } + } + return (found_symbol); +} + + +/* Search through the minimal symbol table for each objfile and find the + symbol whose address is the largest address that is still less than or + equal to PC. Returns a pointer to the minimal symbol if such a symbol + is found, or NULL if PC is not in a suitable range. Note that we need + to look through ALL the minimal symbol tables before deciding on the + symbol that comes closest to the specified PC. */ + +struct minimal_symbol * +lookup_minimal_symbol_by_pc (pc) + register CORE_ADDR pc; +{ + register int lo; + register int hi; + register int new; + register struct objfile *objfile; + register struct minimal_symbol *msymbol; + register struct minimal_symbol *best_symbol = NULL; + + for (objfile = object_files; + objfile != NULL; + objfile = objfile -> next) + { + /* If this objfile has a minimal symbol table, go search it using + a binary search. Note that a minimal symbol table always consists + of at least two symbols, a "real" symbol and the terminating + "null symbol". If there are no real symbols, then there is no + minimal symbol table at all. */ + + if ((msymbol = objfile -> msymbols) != NULL) + { + lo = 0; + hi = objfile -> minimal_symbol_count - 2; + + /* This code assumes that the minimal symbols are sorted by + ascending address values. If the pc value is greater than or + equal to the first symbol's address, then some symbol in this + minimal symbol table is a suitable candidate for being the + "best" symbol. This includes the last real symbol, for cases + where the pc value is larger than any address in this vector. + + By iterating until the address associated with the current + hi index (the endpoint of the test interval) is less than + or equal to the desired pc value, we accomplish two things: + (1) the case where the pc value is larger than any minimal + symbol address is trivially solved, (2) the address associated + with the hi index is always the one we want when the interation + terminates. In essence, we are iterating the test interval + down until the pc value is pushed out of it from the high end. + + Warning: this code is trickier than it would appear at first. */ + + if (pc >= msymbol[lo].address) + { + while (msymbol[hi].address > pc) + { + /* pc is still strictly less than highest address */ + /* Note "new" will always be >= lo */ + new = (lo + hi) / 2; + if ((msymbol[new].address >= pc) || (lo == new)) + { + hi = new; + } + else + { + lo = new; + } + } + /* The minimal symbol indexed by hi now is the best one in this + objfile's minimal symbol table. See if it is the best one + overall. */ + + if ((best_symbol == NULL) || + (best_symbol -> address < msymbol[hi].address)) + { + best_symbol = &msymbol[hi]; + } + } + } + } + return (best_symbol); +} + +/* Prepare to start collecting minimal symbols. Note that presetting + msym_bunch_index to BUNCH_SIZE causes the first call to save a minimal + symbol to allocate the memory for the first bunch. */ + +void +init_minimal_symbol_collection () +{ + msym_count = 0; + msym_bunch = NULL; + msym_bunch_index = BUNCH_SIZE; +} + +void +prim_record_minimal_symbol (name, address, ms_type) + const char *name; + CORE_ADDR address; + enum minimal_symbol_type ms_type; +{ + register struct msym_bunch *new; + + if (msym_bunch_index == BUNCH_SIZE) + { + new = (struct msym_bunch *) xmalloc (sizeof (struct msym_bunch)); + msym_bunch_index = 0; + new -> next = msym_bunch; + msym_bunch = new; + } + msym_bunch -> contents[msym_bunch_index].name = (char *) name; + msym_bunch -> contents[msym_bunch_index].address = address; + msym_bunch -> contents[msym_bunch_index].info = NULL; + msym_bunch -> contents[msym_bunch_index].type = ms_type; + msym_bunch_index++; + msym_count++; +} + +/* Compare two minimal symbols by address and return a signed result based + on unsigned comparisons, so that we sort into unsigned numeric order. */ + +static int +compare_minimal_symbols (fn1p, fn2p) + const PTR fn1p; + const PTR fn2p; +{ + register const struct minimal_symbol *fn1; + register const struct minimal_symbol *fn2; + + fn1 = (const struct minimal_symbol *) fn1p; + fn2 = (const struct minimal_symbol *) fn2p; + + if (fn1 -> address < fn2 -> address) + { + return (-1); + } + else if (fn1 -> address > fn2 -> address) + { + return (1); + } + else + { + return (0); + } +} + +/* Discard the currently collected minimal symbols, if any. If we wish + to save them for later use, we must have already copied them somewhere + else before calling this function. + + FIXME: We could allocate the minimal symbol bunches on their own + obstack and then simply blow the obstack away when we are done with + it. Is it worth the extra trouble though? */ + +/* ARGSUSED */ +void +discard_minimal_symbols (foo) + int foo; +{ + register struct msym_bunch *next; + + while (msym_bunch != NULL) + { + next = msym_bunch -> next; + free (msym_bunch); + msym_bunch = next; + } +} + +/* Compact duplicate entries out of a minimal symbol table by walking + through the table and compacting out entries with duplicate addresses + and matching names. + + When files contain multiple sources of symbol information, it is + possible for the minimal symbol table to contain many duplicate entries. + As an example, SVR4 systems use ELF formatted object files, which + usually contain at least two different types of symbol tables (a + standard ELF one and a smaller dynamic linking table), as well as + DWARF debugging information for files compiled with -g. + + Without compacting, the minimal symbol table for gdb itself contains + over a 1000 duplicates, about a third of the total table size. Aside + from the potential trap of not noticing that two successive entries + identify the same location, this duplication impacts the time required + to linearly scan the table, which is done in a number of places. So + just do one linear scan here and toss out the duplicates. + + Note that we are not concerned here about recovering the space that + is potentially freed up, because the strings themselves are allocated + on the symbol_obstack, and will get automatically freed when the symbol + table is freed. Also, the unused minimal symbols at the end of the + compacted region will get freed automatically as well by whomever + is responsible for deallocating the entire minimal symbol table. We + can't diddle with the pointer anywhy, so don't worry about the + wasted space. + + Also note we only go up to the next to last entry within the loop + and then copy the last entry explicitly after the loop terminates. + + Since the different sources of information for each symbol may + have different levels of "completeness", we may have duplicates + that have one entry with type "mst_unknown" and the other with a + known type. So if the one we are leaving alone has type mst_unknown, + overwrite its type with the type from the one we are compacting out. */ + +static int +compact_minimal_symbols (msymbol, mcount) + struct minimal_symbol *msymbol; + int mcount; +{ + struct minimal_symbol *copyfrom; + struct minimal_symbol *copyto; + + if (mcount > 0) + { + copyfrom = copyto = msymbol; + while (copyfrom < msymbol + mcount - 1) + { + if (copyfrom -> address == (copyfrom + 1) -> address + && (strcmp (copyfrom -> name, (copyfrom + 1) -> name) == 0)) + { + if ((copyfrom + 1) -> type == mst_unknown) + { + (copyfrom + 1) -> type = copyfrom -> type; + } + copyfrom++; + } + else + { + *copyto++ = *copyfrom++; + } + } + *copyto++ = *copyfrom++; + mcount = copyto - msymbol; + } + return (mcount); +} + +/* INCLINK nonzero means bunches are from an incrementally-linked file. + Add them to the existing bunches. + Otherwise INCLINK is zero, and we start from scratch. + + FIXME: INCLINK is currently unused, and is a holdover from when all + these symbols were stored in a shared, globally available table. If + it turns out we still need to be able to incrementally add minimal + symbols to an existing minimal symbol table for a given objfile, then + we will need to slightly modify this code so that when INCLINK is + nonzero we copy the existing table to a work area that is allocated + large enough for all the symbols and add the new ones to the end. */ + +void +install_minimal_symbols (inclink, objfile) + int inclink; + struct objfile *objfile; +{ + register int bindex; + register int mcount; + register struct msym_bunch *bunch; + register struct minimal_symbol *msymbols; + int nbytes; + + if (msym_count > 0) + { + /* Allocate a temporary work area into which we will gather the + bunches of minimal symbols, sort them, and then compact out + duplicate entries. Once we have a final table, it will be attached + to the specified objfile. */ + + msymbols = (struct minimal_symbol *) + xmalloc (msym_count * sizeof (struct minimal_symbol)); + mcount = 0; + + /* Walk through the list of minimal symbol bunches, adding each symbol + to the new contiguous array of symbols. Note that we start with the + current, possibly partially filled bunch (thus we use the current + msym_bunch_index for the first bunch we copy over), and thereafter + each bunch is full. */ + + for (bunch = msym_bunch; bunch != NULL; bunch = bunch -> next) + { + for (bindex = 0; bindex < msym_bunch_index; bindex++, mcount++) + { + msymbols[mcount] = bunch -> contents[bindex]; +#ifdef NAMES_HAVE_UNDERSCORE + if (msymbols[mcount].name[0] == '_') + { + msymbols[mcount].name++; + } +#endif +#ifdef SOME_NAMES_HAVE_DOT + if (msymbols[mcount].name[0] == '.') + { + msymbols[mcount].name++; + } +#endif + } + msym_bunch_index = BUNCH_SIZE; + } + + /* Sort the minimal symbols by address. */ + + qsort (msymbols, mcount, sizeof (struct minimal_symbol), + compare_minimal_symbols); + + /* Compact out any duplicates. The table is reallocated to a + smaller size, even though it is unnecessary here, as we are just + going to move everything to an obstack anyway. */ + + mcount = compact_minimal_symbols (msymbols, mcount); + + /* Attach the minimal symbol table to the specified objfile, allocating + the table entries in the symbol_obstack. Note that the strings them- + selves are already located in the symbol_obstack. We also terminate + the minimal symbol table with a "null symbol", which is *not* included + in the size of the table. This makes it easier to find the end of + the table when we are handed a pointer to some symbol in the middle + of it. */ + + objfile -> minimal_symbol_count = mcount; + nbytes = (mcount + 1) * sizeof (struct minimal_symbol); + objfile -> msymbols = (struct minimal_symbol *) + obstack_alloc (&objfile -> symbol_obstack, nbytes); + memcpy (objfile -> msymbols, msymbols, nbytes); + free (msymbols); + + /* Zero out the fields in the "null symbol" allocated at the end + of the array. Note that the symbol count does *not* include + this null symbol, which is why it is indexed by mcount and not + mcount-1. */ + + objfile -> msymbols[mcount].name = NULL; + objfile -> msymbols[mcount].address = 0; + objfile -> msymbols[mcount].info = NULL; + objfile -> msymbols[mcount].type = mst_unknown; + } +} + diff --git a/gdb/mips-xdep.c b/gdb/mips-xdep.c index a77901281..b7e669d 100644 --- a/gdb/mips-xdep.c +++ b/gdb/mips-xdep.c @@ -57,12 +57,16 @@ fetch_core_registers () return; } +/* ARGSUSED */ void -fetch_inferior_registers () +fetch_inferior_registers (regno) + int regno; { return; } +/* ARGSUSED */ +void store_inferior_registers (regno) int regno; { @@ -88,9 +92,9 @@ store_inferior_registers (regno) /* Get all registers from the inferior */ void -fetch_inferior_registers () +fetch_inferior_registers (regno) + int regno; { - register int regno; register unsigned int regaddr; char buf[MAX_REGISTER_RAW_SIZE]; register int i; diff --git a/gdb/mmap-alloc.c b/gdb/mmap-alloc.c new file mode 100755 index 0000000..5f8f0dc --- /dev/null +++ b/gdb/mmap-alloc.c @@ -0,0 +1,160 @@ +/* GDB support for special malloc using mmap. + Copyright 1992 Free Software Foundation, Inc. + Contributed by Cygnus Support, using pieces from other GDB modules. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include <stdio.h> +#include "defs.h" + +#if defined (HAVE_MMAP) + +/* Redefine the external visible symbols in gmalloc.c to be mmap versions */ + +#define free _mmap_free +#define malloc _mmap_malloc +#define realloc _mmap_realloc +#define valloc _mmap_valloc + +#define _bytes_free _mmap__bytes_free +#define _bytes_used _mmap__bytes_used +#define _chunks_free _mmap__chunks_free +#define _chunks_used _mmap__chunks_used +#define _fraghead _mmap__fraghead +#define _heapbase _mmap__heapbase +#define _heapindex _mmap__heapindex +#define _heapinfo _mmap__heapinfo +#define _heaplimit _mmap__heaplimit + +#define __default_morecore _mmap___default_morecore +#define __free _mmap___free +#define __free_hook _mmap___free_hook +#define __malloc_hook _mmap___malloc_hook +#define __malloc_initialized _mmap___malloc_initialized +#define __morecore _mmap___morecore +#define __realloc_hook _mmap___realloc_hook + +/* Arrange that instead of calling sbrk() we call mmap_sbrk() */ + +#define sbrk mmap_sbrk + +/* Now simply include the standard GNU malloc source, and all the + externally visible symbols will become _mmap_* versions, and + _mmap_sbrk will be called to get more core instead of sbrk. */ + +#include "gmalloc.c" + +/* Like mmap_malloc but get error if no storage available. */ + +PTR +mmap_xmalloc (size) + long size; +{ + register char *val = NULL; + + /* Protect against gdb wanting to allocate zero bytes. */ + + if (size > 0) + { + if ((val = (char *) _mmap_malloc (size)) == NULL) + { + fatal ("virtual memory exhausted.", 0); + } + } + return (val); +} + +/* Like mmap_realloc but get error if no storage available. */ + +PTR +mmap_xrealloc (ptr, size) + PTR ptr; + long size; +{ + register char *val; + + if ((val = (char *) _mmap_realloc (ptr, size)) == NULL) + { + fatal ("virtual memory exhausted.", 0); + } + return (val); +} + +PTR +mmap_malloc (size) + long size; +{ + return (_mmap_malloc (size)); +} + +PTR +mmap_realloc (ptr, size) + PTR ptr; + long size; +{ + return (_mmap_realloc (ptr, size)); +} + +void +mmap_free (ptr) + PTR ptr; +{ + _mmap_free (ptr); +} + +#else /* !defined (HAVE_MMAP) */ + +static char *errmsg = "This version of gdb does not support dumpable state."; + +PTR +mmap_malloc (size) + long size; +{ + error (errmsg); +} + +PTR +mmap_xmalloc (size) + long size; +{ + error (errmsg); +} + +PTR +mmap_realloc (ptr, size) + PTR ptr; + long size; +{ + error (errmsg); +} + +PTR +mmap_xrealloc (ptr, size) + PTR ptr; + long size; +{ + error (errmsg); +} + +void +mmap_free (ptr) + PTR ptr; +{ + error (errmsg); +} + +#endif /* HAVE_MMAP */ diff --git a/gdb/mmap-sbrk.c b/gdb/mmap-sbrk.c new file mode 100755 index 0000000..fe9c072 --- /dev/null +++ b/gdb/mmap-sbrk.c @@ -0,0 +1,145 @@ +/* GDB support for an sbrk-like function that uses mmap. + Copyright 1992 Free Software Foundation, Inc. + Contributed by Cygnus Support, using pieces from other GDB modules. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include <stdio.h> +#include "defs.h" + +#ifdef HAVE_MMAP + +#include <fcntl.h> +#include <sys/mman.h> + +#ifdef i386 +#define MMAP_BASE ((caddr_t) 0x81000000) +#define MMAP_PGSZ 0x00002000 /* Must be multiple of real page size */ +#else +#define MMAP_BASE ((caddr_t) 0xC2000000) +#define MMAP_PGSZ 0x00002000 /* Must be multiple of real page size */ +#endif + +#define PAGE_ALIGN(addr) (caddr_t) (((long)(addr) + MMAP_PGSZ - 1) & \ + ~(MMAP_PGSZ - 1)) + +static caddr_t mbase = MMAP_BASE; /* Current base of mmap'd region */ +static caddr_t mbreak = MMAP_BASE; /* Current "break" address */ +static caddr_t mtop = MMAP_BASE; /* Current top of mmap'd region */ + +static int fd = -1; /* Open fd for /dev/zero */ + + +/* Provide a utility routine for other modules to obtain compatible + page alignment. */ + +PTR +mmap_page_align (addr) + PTR addr; +{ + return (PAGE_ALIGN (addr)); +} + +/* Return the base address of the start of the mmap'd region. Note that + we can find the end of the region at anytime by calling mmap_sbrk(0) */ + +PTR +mmap_base () +{ + return (mbase); +} + +/* Works like sbrk(), but uses mmap to add to or subtract from a + memory region. */ + +PTR +mmap_sbrk (size) + int size; +{ + PTR result = NULL; + int minc; + caddr_t moveto; + + if (size == 0) + { + /* Just return the current "break" value. */ + result = mbreak; + } + else if (size < 0) + { + /* We are deallocating memory. If the amount requested would cause + us to try to deallocate back past the base of the mmap'd region + then do nothing, and return NULL. Otherwise, deallocate the + memory and return the old break value. */ + if (mbreak + size >= mbase) + { + result = (PTR) mbreak; + mbreak += size; + moveto = PAGE_ALIGN (mbreak); + munmap (moveto, (size_t) (mtop - moveto)); + mtop = moveto; + } + } + else + { + /* We are allocating memory. Make sure we have an open file + descriptor and then go on to get the memory. */ + if ((fd == -1) && (fd = open ("/dev/zero", O_RDONLY)) < 0) + { + result = NULL; + } + else if (mbreak + size > mtop) + { + /* The request would move us past the end of the currently + mapped memory, so map in enough more memory to satisfy + the request. */ + moveto = PAGE_ALIGN (mbreak + size); + if (mmap (mtop, moveto - mtop, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_FIXED, fd, 0) == mtop) + { + mtop = moveto; + result = (PTR) mbreak; + mbreak += size; + } + } + else + { + result = (PTR) mbreak; + mbreak += size; + } + } + return (result); +} + +PTR +mmap_remap (base, mapsize, fd, foffset) + PTR base; + long mapsize; + int fd; + long foffset; +{ + /* FIXME: Quick hack, needs error checking and other attention. */ + munmap (mbase, (size_t) (mtop - mbase)); + mbase = base; + mtop = mbase + mapsize; + base = mmap (base, mapsize, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_FIXED, dup (fd), foffset); + return (base); +} + + +#endif /* HAVE_MMAP */ diff --git a/gdb/nindy-tdep.c b/gdb/nindy-tdep.c index dcb5dd9..4996b53 100644 --- a/gdb/nindy-tdep.c +++ b/gdb/nindy-tdep.c @@ -38,7 +38,7 @@ nindy_frame_chain_valid (chain, curframe) FRAME curframe; { struct symbol *sym; - int i; + struct minimal_symbol *msymbol; /* crtnindy.o is an assembler module that is assumed to be linked * first in an i80960 executable. It contains the true entry point; @@ -64,10 +64,10 @@ nindy_frame_chain_valid (chain, curframe) if ( sym != 0 ){ a = sym->value.value; } else { - i = lookup_misc_func (sf); - if (i < 0) + msymbol = lookup_minimal_symbol (sf, (struct objfile *) NULL); + if (msymbol == NULL) return 0; - a = misc_function_vector[i].address; + a = msymbol -> address; } return ( chain != read_memory_integer(a,4) ); diff --git a/gdb/objfiles.c b/gdb/objfiles.c new file mode 100644 index 0000000..a1fb22f --- /dev/null +++ b/gdb/objfiles.c @@ -0,0 +1,326 @@ +/* GDB routines for manipulating objfiles. + Copyright 1992 Free Software Foundation, Inc. + Contributed by Cygnus Support, using pieces from other GDB modules. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This file contains support routines for creating, manipulating, and + destroying objfile structures. */ + +#include <stdio.h> +#include "defs.h" +#include "bfd.h" /* Binary File Description */ +#include "symtab.h" +#include "symfile.h" + +#include <obstack.h> + +/* Externally visible variables that are owned by this module. */ + +struct objfile *object_files; /* Linked list of all objfiles */ + +/* Allocate a new objfile struct, fill it in as best we can, and return it. + It is also linked into the list of all known object files. */ + +struct objfile * +allocate_objfile (abfd, filename, dumpable) + bfd *abfd; + char *filename; + int dumpable; +{ + struct objfile *objfile; + + /* First, if the objfile is to be dumpable, we must malloc the structure + itself using the mmap version, and arrange that all memory allocation + for the objfile uses the mmap routines. Otherwise, just use the + old sbrk'd malloc routines. */ + + if (dumpable) + { + objfile = (struct objfile *) mmap_xmalloc (sizeof (struct objfile)); + (void) memset (objfile, 0, sizeof (struct objfile)); + objfile -> malloc = mmap_malloc; + objfile -> realloc = mmap_realloc; + objfile -> xmalloc = mmap_xmalloc; + objfile -> xrealloc = mmap_xrealloc; + objfile -> free = mmap_free; + objfile -> flags |= OBJF_DUMPABLE; + } + else + { + objfile = (struct objfile *) xmalloc (sizeof (struct objfile)); + (void) memset (objfile, 0, sizeof (struct objfile)); + objfile -> malloc = malloc; + objfile -> realloc = realloc; + objfile -> xmalloc = xmalloc; + objfile -> xrealloc = xrealloc; + objfile -> free = free; + } + + /* Now, malloc a fresh copy of the filename string using the malloc + specified as appropriate for the objfile. */ + + objfile -> name = (*objfile -> xmalloc) (strlen (filename) + 1); + strcpy (objfile -> name, filename); + + objfile -> obfd = abfd; + + objfile -> mtime = bfd_get_mtime (abfd); + + /* Set up the various obstacks to use the memory allocation/free + functions that are appropriate for this objfile. */ + + obstack_full_begin (&objfile -> psymbol_obstack, 0, 0, + objfile -> xmalloc, objfile -> free); + obstack_full_begin (&objfile -> symbol_obstack, 0, 0, + objfile -> xmalloc, objfile -> free); + obstack_full_begin (&objfile -> type_obstack, 0, 0, + objfile -> xmalloc, objfile -> free); + + /* Push this file onto the head of the linked list of other such files. */ + + objfile -> next = object_files; + object_files = objfile; + + return (objfile); +} + + +/* Destroy an objfile and all the symtabs and psymtabs under it. Note + that as much as possible is allocated on the symbol_obstack and + psymbol_obstack, so that the memory can be efficiently freed. */ + +void +free_objfile (objfile) + struct objfile *objfile; +{ + struct objfile *ofp; + + if (objfile -> name) + { + (*objfile -> free) (objfile -> name); + } + if (objfile -> obfd) + { + bfd_close (objfile -> obfd); + } + + /* Remove it from the chain of all objfiles. */ + + if (object_files == objfile) + { + object_files = objfile -> next; + } + else + { + for (ofp = object_files; ofp; ofp = ofp -> next) + { + if (ofp -> next == objfile) + { + ofp -> next = objfile -> next; + } + } + } + + obstack_free (&objfile -> psymbol_obstack, 0); + obstack_free (&objfile -> symbol_obstack, 0); + obstack_free (&objfile -> type_obstack, 0); + +#if 0 /* FIXME!! */ + + /* Before the symbol table code was redone to make it easier to + selectively load and remove information particular to a specific + linkage unit, gdb used to do these things whenever the monolithic + symbol table was blown away. How much still needs to be done + is unknown, but we play it safe for now and keep each action until + it is shown to be no longer needed. */ + + clear_symtab_users_once (); +#if defined (CLEAR_SOLIB) + CLEAR_SOLIB (); +#endif + clear_pc_function_cache (); + +#endif + + /* The last thing we do is free the objfile struct itself, using the + free() that is appropriate for the objfile. */ + + (*objfile -> free) (objfile); +} + +/* Many places in gdb want to test just to see if we have any partial + symbols available. This function returns zero if none are currently + available, nonzero otherwise. */ + +int +have_partial_symbols () +{ + struct objfile *ofp; + int havethem = 0; + + for (ofp = object_files; ofp; ofp = ofp -> next) + { + if (ofp -> psymtabs != NULL) + { + havethem++; + break; + } + } + return (havethem); +} + +/* Many places in gdb want to test just to see if we have any full + symbols available. This function returns zero if none are currently + available, nonzero otherwise. */ + +int +have_full_symbols () +{ + struct objfile *ofp; + int havethem = 0; + + for (ofp = object_files; ofp; ofp = ofp -> next) + { + if (ofp -> symtabs != NULL) + { + havethem++; + break; + } + } + return (havethem); +} + +/* Many places in gdb want to test just to see if we have any minimal + symbols available. This function returns zero if none are currently + available, nonzero otherwise. */ + +int +have_minimal_symbols () +{ + struct objfile *ofp; + int havethem = 0; + + for (ofp = object_files; ofp; ofp = ofp -> next) + { + if (ofp -> msymbols != NULL) + { + havethem++; + break; + } + } + return (havethem); +} + +/* Call the function specified by FUNC for each currently available objfile, + for as long as this function continues to return NULL. If the function + ever returns non-NULL, then the iteration over the objfiles is terminated, + and the result is returned to the caller. The function called has full + control over the form and content of the information returned via the + non-NULL result, which may be as simple as a pointer to the objfile that + the iteration terminated on, or as complex as a pointer to a private + structure containing multiple results. */ + +PTR +iterate_over_objfiles (func, arg1, arg2, arg3) + PTR (*func) PARAMS ((struct objfile *, PTR, PTR, PTR)); + PTR arg1; + PTR arg2; + PTR arg3; +{ + register struct objfile *objfile; + PTR result = NULL; + + for (objfile = object_files; + objfile != NULL && result == NULL; + objfile = objfile -> next) + { + result = (*func)(objfile, arg1, arg2, arg3); + } + return (result); +} + +/* Call the function specified by FUNC for each currently available symbol + table, for as long as this function continues to return NULL. If the + function ever returns non-NULL, then the iteration over the symbol tables + is terminated, and the result is returned to the caller. The function + called has full control over the form and content of the information + returned via the non-NULL result, which may be as simple as a pointer + to the symtab that the iteration terminated on, or as complex as a + pointer to a private structure containing multiple results. */ + +PTR +iterate_over_symtabs (func, arg1, arg2, arg3) + PTR (*func) PARAMS ((struct objfile *, struct symtab *, PTR, PTR, PTR)); + PTR arg1; + PTR arg2; + PTR arg3; +{ + register struct objfile *objfile; + register struct symtab *symtab; + PTR result = NULL; + + for (objfile = object_files; + objfile != NULL && result == NULL; + objfile = objfile -> next) + { + for (symtab = objfile -> symtabs; + symtab != NULL && result == NULL; + symtab = symtab -> next) + { + result = (*func)(objfile, symtab, arg1, arg2, arg3); + } + } + return (result); +} + +/* Call the function specified by FUNC for each currently available partial + symbol table, for as long as this function continues to return NULL. If + the function ever returns non-NULL, then the iteration over the partial + symbol tables is terminated, and the result is returned to the caller. + + The function called has full control over the form and content of the + information returned via the non-NULL result, which may be as simple as a + pointer to the partial symbol table that the iteration terminated on, or + as complex as a pointer to a private structure containing multiple + results. */ + +PTR +iterate_over_psymtabs (func, arg1, arg2, arg3) + PTR (*func) PARAMS ((struct objfile *, struct partial_symtab *, + PTR, PTR, PTR)); + PTR arg1; + PTR arg2; + PTR arg3; +{ + register struct objfile *objfile; + register struct partial_symtab *psymtab; + PTR result = NULL; + + for (objfile = object_files; + objfile != NULL && result == NULL; + objfile = objfile -> next) + { + for (psymtab = objfile -> psymtabs; + psymtab != NULL && result == NULL; + psymtab = psymtab -> next) + { + result = (*func)(objfile, psymtab, arg1, arg2, arg3); + } + } + return (result); +} diff --git a/gdb/parse.c b/gdb/parse.c index ceece4d..cb2909a 100644 --- a/gdb/parse.c +++ b/gdb/parse.c @@ -31,6 +31,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <stdio.h> #include "defs.h" #include "symtab.h" +#include "gdbtypes.h" #include "frame.h" #include "expression.h" #include "value.h" @@ -38,6 +39,15 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "language.h" #include "parser-defs.h" +static void +prefixify_expression PARAMS ((struct expression *)); + +static int +length_of_subexp PARAMS ((struct expression *, int)); + +static void +prefixify_subexp PARAMS ((struct expression *, struct expression *, int, int)); + /* Assign machine-independent names to certain registers (unless overridden by the REGISTER_NAMES table) */ @@ -117,7 +127,7 @@ write_exp_elt (expelt) if (expout_ptr >= expout_size) { expout_size *= 2; - expout = (struct expression *) xrealloc (expout, + expout = (struct expression *) xrealloc ((char *) expout, sizeof (struct expression) + expout_size * sizeof (union exp_element)); } @@ -207,7 +217,7 @@ write_exp_string (str) { expout_size = max (expout_size * 2, expout_ptr + 10); expout = (struct expression *) - xrealloc (expout, (sizeof (struct expression) + xrealloc ((char *) expout, (sizeof (struct expression) + (expout_size * sizeof (union exp_element)))); } bcopy (str.ptr, (char *) &expout->elts[expout_ptr - lenelt], len); @@ -230,9 +240,7 @@ copy_name (token) /* Reverse an expression from suffix form (in which it is constructed) to prefix form (in which we can conveniently print or execute it). */ -static void prefixify_subexp (); - -void +static void prefixify_expression (expr) register struct expression *expr; { @@ -252,7 +260,7 @@ prefixify_expression (expr) /* Return the number of exp_elements in the subexpression of EXPR whose last exp_element is at index ENDPOS - 1 in EXPR. */ -int +static int length_of_subexp (expr, endpos) register struct expression *expr; register int endpos; @@ -552,7 +560,7 @@ parse_exp_1 (stringptr, block, comma) discard_cleanups (old_chain); expout->nelts = expout_ptr; expout = (struct expression *) - xrealloc (expout, + xrealloc ((char *) expout, sizeof (struct expression) + expout_ptr * sizeof (union exp_element)); prefixify_expression (expout); @@ -582,7 +590,7 @@ push_type (tp) { type_stack_size *= 2; type_stack = (union type_stack_elt *) - xrealloc (type_stack, type_stack_size * sizeof (*type_stack)); + xrealloc ((char *) type_stack, type_stack_size * sizeof (*type_stack)); } type_stack[type_stack_depth++].piece = tp; } @@ -595,7 +603,7 @@ push_type_int (n) { type_stack_size *= 2; type_stack = (union type_stack_elt *) - xrealloc (type_stack, type_stack_size * sizeof (*type_stack)); + xrealloc ((char *) type_stack, type_stack_size * sizeof (*type_stack)); } type_stack[type_stack_depth++].int_val = n; } diff --git a/gdb/parser-defs.h b/gdb/parser-defs.h index c5c8077..b32e3c1 100644 --- a/gdb/parser-defs.h +++ b/gdb/parser-defs.h @@ -19,6 +19,9 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#if !defined (PARSER_DEFS_H) +#define PARSER_DEFS_H 1 + struct std_regs { char *name; int regnum; @@ -31,21 +34,6 @@ struct expression *expout; int expout_size; int expout_ptr; -extern struct type *init_type (); - -void write_exp_elt (); -void write_exp_elt_opcode (); -void write_exp_elt_sym (); -void write_exp_elt_longcst (); -void write_exp_elt_dblcst (); -void write_exp_elt_type (); -void write_exp_elt_intern (); -void write_exp_string (); -void start_arglist (); -int end_arglist (); -void free_funcalls (); -char *copy_name (); - /* If this is nonzero, this block is used as the lexical context for symbol names. */ @@ -106,10 +94,53 @@ union type_stack_elt { union type_stack_elt *type_stack; int type_stack_depth, type_stack_size; -void push_type (); -void push_type_int (); -enum type_pieces pop_type (); -int pop_type_int (); +extern void +write_exp_elt PARAMS ((union exp_element)); + +extern void +write_exp_elt_opcode PARAMS ((enum exp_opcode)); + +extern void +write_exp_elt_sym PARAMS ((struct symbol *)); + +extern void +write_exp_elt_longcst PARAMS ((LONGEST)); + +extern void +write_exp_elt_dblcst PARAMS ((double)); + +extern void +write_exp_elt_type PARAMS ((struct type *)); + +extern void +write_exp_elt_intern PARAMS ((struct internalvar *)); + +extern void +write_exp_string PARAMS ((struct stoken)); + +extern void +start_arglist PARAMS ((void)); + +extern int +end_arglist PARAMS ((void)); + +extern void +free_funcalls PARAMS ((void)); + +extern char * +copy_name PARAMS ((struct stoken)); + +extern void +push_type PARAMS ((enum type_pieces)); + +extern void +push_type_int PARAMS ((int)); + +extern enum type_pieces +pop_type PARAMS ((void)); + +extern int +pop_type_int PARAMS ((void)); /* During parsing of a C expression, the pointer to the next character is in this variable. */ @@ -160,3 +191,5 @@ struct op_print enum precedence precedence; int right_assoc; }; + +#endif /* PARSER_DEFS_H */ diff --git a/gdb/partial-stab.h b/gdb/partial-stab.h index eefaf06..72864ba 100644 --- a/gdb/partial-stab.h +++ b/gdb/partial-stab.h @@ -47,8 +47,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ SET_NAMESTRING(); bss_ext_symbol: - record_misc_function (namestring, CUR_SYMBOL_VALUE, - CUR_SYMBOL_TYPE); /* Always */ + record_minimal_symbol (namestring, CUR_SYMBOL_VALUE, + CUR_SYMBOL_TYPE, objfile); /* Always */ #endif /* DBXREAD_ONLY */ continue; @@ -108,8 +108,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ || VTBL_PREFIX_P ((namestring+HASH_OFFSET))) { /* Not really a function here, but... */ - record_misc_function (namestring, CUR_SYMBOL_VALUE, - CUR_SYMBOL_TYPE); /* Always */ + record_minimal_symbol (namestring, CUR_SYMBOL_VALUE, + CUR_SYMBOL_TYPE, objfile); /* Always */ } #endif /* DBXREAD_ONLY */ continue; @@ -182,15 +182,15 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ The first one is a directory name; the second the file name. If pst exists, is empty, and has a filename ending in '/', we assume the previous N_SO was a directory name. */ - if (global_psymbols.next - == (global_psymbols.list + pst->globals_offset) - && static_psymbols.next - == (static_psymbols.list + pst->statics_offset) + if (pst -> objfile -> global_psymbols.next + == (pst -> objfile -> global_psymbols.list + pst->globals_offset) + && pst -> objfile -> static_psymbols.next + == (pst -> objfile -> static_psymbols.list + pst->statics_offset) && pst->filename && pst->filename[0] && pst->filename[strlen(pst->filename)-1] == '/') { /* Just replace the directory name with the real filename. */ pst->filename = - (char *) obstack_alloc (psymbol_obstack, + (char *) obstack_alloc (&pst->objfile->psymbol_obstack, strlen (namestring) + 1); strcpy (pst->filename, namestring); continue; @@ -208,7 +208,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ pst = START_PSYMTAB (objfile, addr, namestring, valu, first_symnum * symbol_size, - global_psymbols.next, static_psymbols.next); + objfile -> global_psymbols.next, + objfile -> static_psymbols.next); continue; } @@ -299,20 +300,20 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ case 'T': ADD_PSYMBOL_TO_LIST (namestring, p - namestring, STRUCT_NAMESPACE, LOC_TYPEDEF, - static_psymbols, CUR_SYMBOL_VALUE); + objfile->static_psymbols, CUR_SYMBOL_VALUE); if (p[2] == 't') { /* Also a typedef with the same name. */ ADD_PSYMBOL_TO_LIST (namestring, p - namestring, VAR_NAMESPACE, LOC_TYPEDEF, - static_psymbols, CUR_SYMBOL_VALUE); + objfile->static_psymbols, CUR_SYMBOL_VALUE); p += 1; } goto check_enum; case 't': ADD_PSYMBOL_TO_LIST (namestring, p - namestring, VAR_NAMESPACE, LOC_TYPEDEF, - static_psymbols, CUR_SYMBOL_VALUE); + objfile->static_psymbols, CUR_SYMBOL_VALUE); check_enum: /* If this is an enumerated type, we need to add all the enum constants to the partial symbol @@ -361,7 +362,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ enum constants in psymtabs, just in symtabs. */ ADD_PSYMBOL_TO_LIST (p, q - p, VAR_NAMESPACE, LOC_CONST, - static_psymbols, 0); + objfile->static_psymbols, 0); /* Point past the name. */ p = q; /* Skip over the value. */ @@ -377,7 +378,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Constant, e.g. from "const" in Pascal. */ ADD_PSYMBOL_TO_LIST (namestring, p - namestring, VAR_NAMESPACE, LOC_CONST, - static_psymbols, CUR_SYMBOL_VALUE); + objfile->static_psymbols, CUR_SYMBOL_VALUE); continue; default: /* Skip if the thing following the : is @@ -418,13 +419,13 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ case 'c': ADD_PSYMBOL_TO_LIST (namestring, p - namestring, VAR_NAMESPACE, LOC_CONST, - static_psymbols, CUR_SYMBOL_VALUE); + objfile->static_psymbols, CUR_SYMBOL_VALUE); continue; case 'S': CUR_SYMBOL_VALUE += addr; /* Relocate */ ADD_PSYMBOL_ADDR_TO_LIST (namestring, p - namestring, VAR_NAMESPACE, LOC_STATIC, - static_psymbols, CUR_SYMBOL_VALUE); + objfile->static_psymbols, CUR_SYMBOL_VALUE); continue; case 'G': CUR_SYMBOL_VALUE += addr; /* Relocate */ @@ -432,19 +433,19 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ wrong. See the code that reads 'G's for symtabs. */ ADD_PSYMBOL_ADDR_TO_LIST (namestring, p - namestring, VAR_NAMESPACE, LOC_STATIC, - global_psymbols, CUR_SYMBOL_VALUE); + objfile->global_psymbols, CUR_SYMBOL_VALUE); continue; case 't': ADD_PSYMBOL_TO_LIST (namestring, p - namestring, VAR_NAMESPACE, LOC_TYPEDEF, - static_psymbols, CUR_SYMBOL_VALUE); + objfile->static_psymbols, CUR_SYMBOL_VALUE); continue; case 'f': ADD_PSYMBOL_TO_LIST (namestring, p - namestring, VAR_NAMESPACE, LOC_BLOCK, - static_psymbols, CUR_SYMBOL_VALUE); + objfile->static_psymbols, CUR_SYMBOL_VALUE); continue; /* Global functions were ignored here, but now they @@ -455,7 +456,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ case 'F': ADD_PSYMBOL_TO_LIST (namestring, p - namestring, VAR_NAMESPACE, LOC_BLOCK, - global_psymbols, CUR_SYMBOL_VALUE); + objfile->global_psymbols, CUR_SYMBOL_VALUE); continue; /* Two things show up here (hopefully); static symbols of diff --git a/gdb/procfs.c b/gdb/procfs.c index 43aa46f..acebc11 100644 --- a/gdb/procfs.c +++ b/gdb/procfs.c @@ -32,6 +32,7 @@ regardless of whether or not the actual target has floating point hardware. */ +#include <stdio.h> #include "defs.h" @@ -42,7 +43,6 @@ regardless of whether or not the actual target has floating point hardware. #include <fcntl.h> #include <errno.h> -#include "ansidecl.h" #include "inferior.h" #include "target.h" @@ -50,14 +50,6 @@ regardless of whether or not the actual target has floating point hardware. #define PROC_NAME_FMT "/proc/%d" #endif -extern void EXFUN(supply_gregset, (gregset_t *gregsetp)); -extern void EXFUN(fill_gregset, (gregset_t *gresetp, int regno)); - -#if defined (FP0_REGNUM) -extern void EXFUN(supply_fpregset, (fpregset_t *fpregsetp)); -extern void EXFUN(fill_fpregset, (fpregset_t *fpresetp, int regno)); -#endif - #if 1 /* FIXME: Gross and ugly hack to resolve coredep.c global */ CORE_ADDR kernel_u_addr; #endif @@ -89,16 +81,47 @@ struct procinfo { static struct procinfo pi; /* Inferior's process information */ -/* Forward declarations of static functions so we don't have to worry - about ordering within this file. The EXFUN macro may be slightly - misleading. Should probably be called DCLFUN instead, or something - more intuitive, since it can be used for both static and external - definitions. */ +/* Prototypes for local functions */ + +static int +proc_address_to_fd PARAMS ((CORE_ADDR, int)); + +static int +open_proc_file PARAMS ((int, struct procinfo *)); + +static void +close_proc_file PARAMS ((struct procinfo *)); + +static void +unconditionally_kill_inferior PARAMS ((void)); + +static void +proc_init_failed PARAMS ((char *)); + +static void +proc_info PARAMS ((char *, int)); + +static void +proc_info_address_map PARAMS ((struct procinfo *, int)); + +static char * +mappingflags PARAMS ((long)); + +/* External function prototypes that can't be easily included in any + header file because the args are typedefs in system include files. */ + +extern void +supply_gregset PARAMS ((gregset_t *)); + +extern void +fill_gregset PARAMS ((gregset_t *, int)); + +extern void +supply_fpregset PARAMS ((fpregset_t *)); + +extern void +fill_fpregset PARAMS ((fpregset_t *, int)); -static void EXFUN(proc_init_failed, (char *why)); -static int EXFUN(open_proc_file, (int pid, struct procinfo *pip)); -static void EXFUN(close_proc_file, (struct procinfo *pip)); -static void EXFUN(unconditionally_kill_inferior, (void)); /* @@ -120,11 +143,11 @@ DESCRIPTION */ int -DEFUN(ptrace, (request, pid, arg3, arg4), - int request AND - int pid AND - int arg3 AND - int arg4) +ptrace (request, pid, arg3, arg4) + int request; + int pid; + int arg3; + int arg4; { error ("internal error - there is a call to ptrace() somewhere"); /*NOTREACHED*/ @@ -155,7 +178,7 @@ NOTES */ void -DEFUN_VOID(kill_inferior_fast) +kill_inferior_fast () { if (inferior_pid != 0 && !attach_flag) { @@ -186,7 +209,7 @@ NOTES */ void -DEFUN_VOID(kill_inferior) +kill_inferior () { if (inferior_pid != 0) { @@ -219,7 +242,7 @@ NOTE */ static void -DEFUN_VOID(unconditionally_kill_inferior) +unconditionally_kill_inferior () { int signo; @@ -258,12 +281,12 @@ NOTES int -DEFUN(child_xfer_memory, (memaddr, myaddr, len, dowrite, target), - CORE_ADDR memaddr AND - char *myaddr AND - int len AND - int dowrite AND - struct target_ops *target /* ignored */) +child_xfer_memory (memaddr, myaddr, len, dowrite, target) + CORE_ADDR memaddr; + char *myaddr; + int len; + int dowrite; + struct target_ops *target; /* ignored */ { int nbytes = 0; @@ -324,8 +347,8 @@ NOTES */ void -DEFUN(store_inferior_registers, (regno), - int regno) +store_inferior_registers (regno) + int regno; { if (regno != -1) { @@ -376,8 +399,8 @@ NOTES */ void -DEFUN(inferior_proc_init, (pid), - int pid) +inferior_proc_init (pid) + int pid; { if (!open_proc_file (pid, &pi)) { @@ -432,7 +455,7 @@ NOTE */ void -DEFUN_VOID(proc_set_exec_trap) +proc_set_exec_trap () { sysset_t exitset; auto char procname[32]; @@ -476,8 +499,8 @@ DESCRIPTION */ int -DEFUN(proc_iterate_over_mappings, (func), - int (*func)()) +proc_iterate_over_mappings (func) + int (*func) PARAMS ((int, CORE_ADDR)); { int nmap; int fd; @@ -488,13 +511,13 @@ DEFUN(proc_iterate_over_mappings, (func), if (pi.valid && (ioctl (pi.fd, PIOCNMAP, &nmap) == 0)) { - prmaps = alloca ((nmap + 1) * sizeof (*prmaps)); + prmaps = (struct prmap *) alloca ((nmap + 1) * sizeof (*prmaps)); if (ioctl (pi.fd, PIOCMAP, prmaps) == 0) { for (prmap = prmaps; prmap -> pr_size && funcstat == 0; ++prmap) { - fd = proc_address_to_fd (prmap -> pr_vaddr, 0); - funcstat = (*func) (fd, prmap -> pr_vaddr); + fd = proc_address_to_fd ((CORE_ADDR) prmap -> pr_vaddr, 0); + funcstat = (*func) (fd, (CORE_ADDR) prmap -> pr_vaddr); close (fd); } } @@ -524,9 +547,11 @@ DESCRIPTION */ +#if 0 /* Currently unused */ + CORE_ADDR -DEFUN(proc_base_address, (addr), - CORE_ADDR addr) +proc_base_address (addr) +CORE_ADDR addr; { int nmap; struct prmap *prmaps; @@ -535,7 +560,7 @@ DEFUN(proc_base_address, (addr), if (pi.valid && (ioctl (pi.fd, PIOCNMAP, &nmap) == 0)) { - prmaps = alloca ((nmap + 1) * sizeof (*prmaps)); + prmaps = (struct prmap *) alloca ((nmap + 1) * sizeof (*prmaps)); if (ioctl (pi.fd, PIOCMAP, prmaps) == 0) { for (prmap = prmaps; prmap -> pr_size; ++prmap) @@ -552,6 +577,8 @@ DEFUN(proc_base_address, (addr), return (baseaddr); } +#endif /* 0 */ + /* GLOBAL_FUNCTION @@ -572,10 +599,10 @@ DESCRIPTION */ -int -DEFUN(proc_address_to_fd, (addr, complain), - CORE_ADDR addr AND - int complain) +static int +proc_address_to_fd (addr, complain) + CORE_ADDR addr; + int complain; { int fd = -1; @@ -621,8 +648,8 @@ NOTES */ int -DEFUN(attach, (pid), - int pid) +attach (pid) + int pid; { if (!open_proc_file (pid, &pi)) { @@ -714,8 +741,8 @@ DESCRIPTION */ void -DEFUN(detach, (signal), - int signal) +detach (signal) + int signal; { if (signal) { @@ -815,8 +842,8 @@ NOTES */ int -DEFUN(proc_wait, (statloc), - int *statloc) +proc_wait (statloc) + int *statloc; { short what; short why; @@ -950,9 +977,9 @@ NOTE */ void -DEFUN(child_resume, (step, signal), - int step AND - int signal) +child_resume (step, signal) + int step; + int signal; { errno = 0; pi.prrun.pr_flags = PRSVADDR | PRSTRACE | PRSFAULT | PRCFAULT; @@ -991,7 +1018,7 @@ GLOBAL FUNCTION SYNOPSIS - void fetch_inferior_registers (void) + void fetch_inferior_registers (int regno) DESCRIPTION @@ -1002,7 +1029,8 @@ DESCRIPTION */ void -DEFUN_VOID(fetch_inferior_registers) +fetch_inferior_registers (regno) + int regno; { if (ioctl (pi.fd, PIOCGREG, &pi.gregset) != -1) { @@ -1025,7 +1053,7 @@ GLOBAL FUNCTION SYNOPSIS void fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, - int which) + int which, unsigned in reg_addr) DESCRIPTION @@ -1041,10 +1069,11 @@ NOTES */ void -fetch_core_registers (core_reg_sect, core_reg_size, which) +fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr) char *core_reg_sect; unsigned core_reg_size; int which; + unsigned int reg_addr; /* Unused in this version */ { if (which == 0) @@ -1096,8 +1125,8 @@ DESCRIPTION */ static void -DEFUN(proc_init_failed, (why), - char *why) +proc_init_failed (why) + char *why; { print_sys_errmsg (pi.pathname, errno); (void) kill (pi.pid, SIGKILL); @@ -1126,8 +1155,8 @@ DESCRIPTION */ static void -DEFUN(close_proc_file, (pip), - struct procinfo *pip) +close_proc_file (pip) + struct procinfo *pip; { pip -> pid = 0; if (pip -> valid) @@ -1167,9 +1196,9 @@ DESCRIPTION */ static int -DEFUN(open_proc_file, (pid, pip), - int pid AND - struct procinfo *pip) +open_proc_file (pid, pip) + int pid; + struct procinfo *pip; { pip -> valid = 0; if (pip -> valid) @@ -1190,8 +1219,8 @@ DEFUN(open_proc_file, (pid, pip), } static char * -DEFUN (mappingflags, (flags), - long flags) +mappingflags (flags) + long flags; { static char asciiflags[7]; @@ -1206,9 +1235,9 @@ DEFUN (mappingflags, (flags), } static void -DEFUN(proc_info_address_map, (pip, verbose), - struct procinfo *pip AND - int verbose) +proc_info_address_map (pip, verbose) + struct procinfo *pip; + int verbose; { int nmap; struct prmap *prmaps; @@ -1223,7 +1252,7 @@ DEFUN(proc_info_address_map, (pip, verbose), "Flags"); if (ioctl (pip -> fd, PIOCNMAP, &nmap) == 0) { - prmaps = alloca ((nmap + 1) * sizeof (*prmaps)); + prmaps = (struct prmap *) alloca ((nmap + 1) * sizeof (*prmaps)); if (ioctl (pip -> fd, PIOCMAP, prmaps) == 0) { for (prmap = prmaps; prmap -> pr_size; ++prmap) @@ -1265,9 +1294,9 @@ DESCRIPTION */ static void -DEFUN(proc_info, (args, from_tty), - char *args AND - int from_tty) +proc_info (args, from_tty) + char *args; + int from_tty; { int verbose = 0; int pid; @@ -1275,7 +1304,6 @@ DEFUN(proc_info, (args, from_tty), struct procinfo *pip; struct cleanup *old_chain; char *nexttok; - extern char *strtok (); old_chain = make_cleanup (null_cleanup, 0); diff --git a/gdb/pyr-xdep.c b/gdb/pyr-xdep.c index 4aa8489..bfe7b5e 100644 --- a/gdb/pyr-xdep.c +++ b/gdb/pyr-xdep.c @@ -32,11 +32,13 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <sys/user.h> /* After a.out.h */ #include <sys/file.h> #include <sys/stat.h> + void -fetch_inferior_registers () +fetch_inferior_registers (regno) + int regno; { - register int regno, datum; + register int datum; register unsigned int regaddr; int reg_buf[NUM_REGS+1]; struct user u; @@ -124,6 +126,7 @@ fetch_inferior_registers () If REGNO is -1, do this for all registers. Otherwise, REGNO specifies which register (so we can save time). */ +void store_inferior_registers (regno) int regno; { diff --git a/gdb/remote-mm.c b/gdb/remote-mm.c index 87270f7..316d6d2 100644 --- a/gdb/remote-mm.c +++ b/gdb/remote-mm.c @@ -1083,7 +1083,7 @@ int from_tty; /* You may need to do an init_target_mm() */ /* init_target_mm(?,?,?,?,?,?,?,?); */ immediate_quit--; - /* symbol_file_add (arg_string, from_tty, text_addr, 0); */ + /* (void) symbol_file_add (arg_string, from_tty, text_addr, 0); */ #endif } diff --git a/gdb/remote-nindy.c b/gdb/remote-nindy.c index d7f807e..d5b4b59 100644 --- a/gdb/remote-nindy.c +++ b/gdb/remote-nindy.c @@ -301,7 +301,7 @@ nindy_load( filename, from_tty ) tmpfile = coffstrip(scratch_pathname); if ( tmpfile ){ - old_chain = make_cleanup(unlink,tmpfile); + old_chain = make_cleanup (unlink,tmpfile); immediate_quit++; ninDownload( tmpfile, !from_tty ); /* FIXME, don't we want this merged in here? */ diff --git a/gdb/remote-vx.c b/gdb/remote-vx.c index 991bc97..4ecc902 100644 --- a/gdb/remote-vx.c +++ b/gdb/remote-vx.c @@ -47,10 +47,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "xdr_rdb.h" #include "dbgRpcLib.h" -/* get rid of value.h if possible */ -#include <value.h> #include <symtab.h> - + extern void symbol_file_command (); extern int stop_soon_quietly; /* for wait_for_inferior */ @@ -718,7 +716,7 @@ vx_load_command (arg_string, from_tty) immediate_quit--; /* FIXME, for now we ignore data_addr and bss_addr. */ - symbol_file_add (arg_string, from_tty, text_addr, 0); + (void) symbol_file_add (arg_string, from_tty, text_addr, 0); } #ifdef FIXME /* Not ready for prime time */ @@ -1041,7 +1039,7 @@ add_symbol_stub (arg) struct ldfile *pLoadFile = (struct ldfile *)arg; printf("\t%s: ", pLoadFile->name); - symbol_file_add (pLoadFile->name, 0, pLoadFile->txt_addr, 0); + (void) symbol_file_add (pLoadFile->name, 0, pLoadFile->txt_addr, 0); printf ("ok\n"); return 1; } diff --git a/gdb/rs6000-xdep.c b/gdb/rs6000-xdep.c index c82c0b7..557ecb1 100644 --- a/gdb/rs6000-xdep.c +++ b/gdb/rs6000-xdep.c @@ -60,7 +60,8 @@ static int special_regs[] = { extern int one_stepped; -fetch_inferior_registers () +fetch_inferior_registers (regno) + int regno; { int ii; extern char registers[]; @@ -87,6 +88,7 @@ fetch_inferior_registers () If REGNO is -1, do this for all registers. Otherwise, REGNO specifies which register (so we can save time). */ +void store_inferior_registers (regno) int regno; { @@ -156,16 +158,15 @@ store_inferior_registers (regno) if ( errno ) { perror ("ptrace write"); errno = 0; - return -1; } - return 0; } void -fetch_core_registers (core_reg_sect, core_reg_size, which) +fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr) char *core_reg_sect; unsigned core_reg_size; int which; + unsigned int reg_addr; /* Unused in this version */ { /* fetch GPRs and special registers from the first register section in core bfd. */ @@ -230,7 +231,6 @@ unsigned int pid; { #define MAX_LOAD_SEGS 64 /* maximum number of load segments */ - extern int compare_misc_functions (); struct ld_info *ldi; int temp; @@ -256,7 +256,7 @@ unsigned int pid; && (ldi = (void *) (ldi->ldinfo_next + (char *) ldi))); /* Now that we've jumbled things around, re-sort them. */ - sort_misc_function_vector (); + sort_minimal_symbols (); /* relocate the exec and core sections as well. */ vmap_exec (); diff --git a/gdb/state.c b/gdb/state.c new file mode 100644 index 0000000..b6ce398 --- /dev/null +++ b/gdb/state.c @@ -0,0 +1,777 @@ +/* Support for dumping and reloading various pieces of GDB's internal state. + Copyright 1992 Free Software Foundation, Inc. + Contributed by Cygnus Support, using pieces from other GDB modules. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This file provides support for dumping and then later reloading various + portions of gdb's internal state. It was originally implemented to + support a need for mapping in an image of gdb's symbol table from an + external file, where this image was created by an external program, such + as an incremental linker. However, it was generalized to enable future + support for dumping and reloading various other useful pieces of gdb's + internal state. + + State files have a fairly simple form which is intended to be easily + extensible. The basic format is: + + <file-header> <state-data> <form-tree> + + Where: + + file-header A simple file-header containing a magic number + so that gdb (and other readers) can quickly + determine what kind of file this is, and a file + offset to the root of the form-tree. + + state-data The "raw" state-data that is referenced by nodes + in the form-tree. + + form-tree A tree of arbitrarily sized nodes containing + information about gdb's internal state, and + possibly referencing data in the state-data section + of the file. Resembles DWARF in some respects. + + When writing a state file, a hole is left for the file-header at the + beginning of the file, the state data is written immediately after the + file header (while storing the file offsets and sizes back into the + internal form-tree along the way), the form-tree itself is written + at the end of the file, and then the file header is written by seeking + back to the beginning of the file. This order is required because + the form tree contains file offsets and sizes in the state data portion + of the file, and the file header contains the file offset to the start + of the form tree. + + Readers simply open the file, validate the magic number, seek to the + root of the form-tree, and walk the tree looking for the information that + they are interested in (and ignoring things that they aren't, or don't + understand). + + */ + + +#include <stdio.h> +#include "defs.h" +#include "symtab.h" +#include "bfd.h" +#include "symfile.h" +#include "state.h" + +#ifndef SEEK_SET +#define SEEK_SET 0 +#endif + +#ifndef SEEK_END +#define SEEK_END 2 +#endif + +/* Inside the state file, the form-tree consists of a series of + form-tree entries (FTE's). The parent/child/sibling relationships + are implied by the ordering and by an explicit sibling reference + in FTE's that have siblings. + + Specifically, given two sequential FTE's, say A and B, if B immediately + follows A, and A does not have a sibling reference to B, then B is + the first child of A. Otherwise B must be a sibling of A and A must + have a sibling reference for it. + + Each FTE is simply an array of long integers, with at least three + members. This form was chosen over a packed data form for simplicity + in access, not having to worry about the relative sizes of the different + integers (short, int, long), and not having to worry about alignment + constraints. Also in the name of simplicity, every FTE has a sibling + reference slot reserved for it, even if there are no siblings. + + The first value in an FTE is the size of the FTE in bytes, including + the size value itself. The second entry contains a tag which indicates + the type of the FTE. The third entry is a sibling reference, which either + refers to a valid sibling node or is zero. Following is zero or more + attributes, each of which consists of one or more long values. */ + +/* Tag names and codes. */ + +#define TAG_padding 0x0000 /* Padding */ +#define TAG_objfile 0x0001 /* Dumped objfile */ + +/* Form names, codes, and macros. */ + +#define FORM_ABSREF 0x01 /* Next long is absolute file offset */ +#define FORM_RELREF 0x02 /* Next long is relative file offset */ +#define FORM_IVAL 0x03 /* Next long is int value */ +#define FORM_ADDR 0x04 /* Next long is mem addr */ + +#define FORM_MASK 0xFF +#define FORM_X(atr) ((atr) & FORM_MASK) + +/* Attribute names and codes. */ + +#define AT_sibling (0x0100 | FORM_RELREF) /* Reference to sibling node */ +#define AT_name (0x0200 | FORM_ABSREF) /* Reference to a string */ +#define AT_offset (0x0300 | FORM_ABSREF) /* Reference to generic data */ +#define AT_size (0x0400 | FORM_IVAL) +#define AT_addr (0x0500 | FORM_ADDR) +#define AT_aux_addr (0x0600 | FORM_ADDR) + +/* */ + +static void +load_symbols PARAMS ((FILE *)); + +static void +dump_state_command PARAMS ((char *, int)); + +static void +load_state_command PARAMS ((char *, int)); + +#ifdef HAVE_MMAP + +static void +write_header PARAMS ((sfd *)); + +static void +write_formtree PARAMS ((sfd *)); + +static void +write_objfile_state PARAMS ((sfd *)); + +static void +free_subtree PARAMS ((struct formnode *)); + +static void +size_subtree PARAMS ((struct formnode *)); + +#endif + +struct formnode *formtree = NULL; + +/* ARGSUSED */ +static void +load_symbols (statefile) + FILE *statefile; +{ + +#if 0 + /* Discard old symbols. FIXME: This is essentially symbol_file_command's + body when there is no name. Make it a common function that is + called from each place. */ + + if (symfile_objfile) + { + free_objfile (symfile_objfile); + } + symfile_objfile = NULL; +#endif + +#if 0 && defined (HAVE_MMAP) + if (mtop > mbase) + { + warning ("internal error: mbase (%08x) != mtop (%08x)", + mbase, mtop); + munmap (mbase, mtop - mbase); + } +#endif /* HAVE_MMAP */ + + /* Getting new symbols may change our opinion about what is frameless. */ + + reinit_frame_cache (); + +} + +#ifdef HAVE_MMAP + +/* Allocate a form node */ + +static struct formnode * +alloc_formnode () +{ + struct formnode *fnp; + + fnp = (struct formnode *) xmalloc (sizeof (struct formnode)); + (void) memset (fnp, 0, sizeof (struct formnode)); + fnp -> sibling = formtree; + formtree = fnp; + return (fnp); +} + +/* Recursively walk a form-tree from the specified node, freeing + nodes from the bottom up. The concept is pretty simple, just free + all the child nodes, then all the sibling nodes, then the node + itself. */ + +static void +free_subtree (fnp) + struct formnode *fnp; +{ + if (fnp != NULL) + { + free_subtree (fnp -> child); + free_subtree (fnp -> sibling); + if (fnp -> nodedata != NULL) + { + free (fnp -> nodedata); + } + free (fnp); + } +} + +/* Recursively walk a form-tree from the specified node, computing the + size of each subtree from the bottom up. + + At each node, the file space that will be consumed by the subtree + rooted in that node is the sum of all the subtrees rooted in each + child node plus the size of the node itself. + + Thus for each node, we size the child subtrees, add to that our + size, contribute this size towards the size of any parent node, and + then ask any of our siblings to do the same. + + Also, once we know the size of any subtree rooted at this node, we + can initialize the offset to the sibling node (if any). + + Since every form-tree node must have valid nodedata at this point, + we detect and report a warning for any node that doesn't. */ + +static void +size_subtree (fnp) + struct formnode *fnp; +{ + long *lp; + + if (fnp != NULL) + { + if (fnp -> nodedata == NULL) + { + warning ("internal error -- empty form node"); + } + else + { + size_subtree (fnp -> child); + fnp -> treesize += *(long *) fnp -> nodedata; + if (fnp -> parent != NULL) + { + fnp -> parent -> treesize += fnp -> treesize; + } + if (fnp -> sibling) + { + size_subtree (fnp -> sibling); + lp = (long *) (fnp -> nodedata + 2 * sizeof (long)); + *lp = fnp -> treesize; + } + } + } +} + +/* Recursively walk a form-tree from the specified node, writing + nodes from the top down. */ + +static void +write_subtree (fnp, asfd) + struct formnode *fnp; + sfd *asfd; +{ + if (fnp != NULL) + { + if (fnp -> nodedata != NULL) + { + fwrite (fnp -> nodedata, *(long *) fnp -> nodedata, 1, asfd -> fp); + } + write_subtree (fnp -> child, asfd); + write_subtree (fnp -> sibling, asfd); + } +} + +/* Free the entire current formtree. Called via do_cleanups, regardless + of whether there is an error or not. */ + +static void +free_formtree () +{ + free_subtree (formtree); + formtree = NULL; +} + +/* Write out the file header. Generally this is done last, even though + it is located at the start of the file, since we need to have file + offset to where the annotated form tree was written, and it's size. */ + +static void +write_header (asfd) + sfd *asfd; +{ + fseek (asfd -> fp, 0L, SEEK_SET); + fwrite ((char *) &asfd -> hdr, sizeof (asfd -> hdr), 1, asfd -> fp); +} + +/* Write out the annotated form tree. We should already have written out + the state data, and noted the file offsets and sizes in each node of + the form tree that references part of the state data. + + The form tree can be written anywhere in the file where there is room + for it. Since there is always room at the end of the file, we write + it there. We also need to record the file offset to the start of the + form tree, and it's size, for future use when writing the file header. + + In order to compute the sibling references, we need to know, at + each node, how much space will be consumed when all of that node's + children nodes have been written. Thus we walk the tree, computing + the sizes of the subtrees from the bottom up. At any node, the + offset from the start of that node to the start of the sibling node + is simply the size of the node plus the size of the subtree rooted + in that node. */ + +static void +write_formtree (asfd) + sfd *asfd; +{ + size_subtree (formtree); + fseek (asfd -> fp, 0L, SEEK_END); + asfd -> hdr.sf_ftoff = ftell (asfd -> fp); + write_subtree (formtree, asfd); + asfd -> hdr.sf_ftsize = ftell (asfd -> fp) - asfd -> hdr.sf_ftoff; +} + +/* Note that we currently only support having one objfile with dumpable + state. */ + +static void +write_objfile_state (asfd) + sfd *asfd; +{ + struct objfile *objfile; + struct formnode *fnp; + PTR base; + PTR breakval; + long *lp; + unsigned int ftesize; + long ftebuf[64]; + long foffset; + + /* First walk through the objfile list looking for the first objfile + that is dumpable. */ + + for (objfile = object_files; objfile != NULL; objfile = objfile -> next) + { + if (objfile -> flags & OBJF_DUMPABLE) + { + break; + } + } + + if (objfile == NULL) + { + warning ("no dumpable objfile was found"); + } + else + { + fnp = alloc_formnode (); + lp = ftebuf; + + lp++; /* Skip FTE size slot, filled in at the end. */ + *lp++ = TAG_objfile; /* This is an objfile FTE */ + *lp++ = 0; /* Zero the sibling reference slot. */ + + /* Build an AT_name attribute for the objfile's name, and write + the name into the state data. */ + + *lp++ = AT_name; + *lp++ = (long) ftell (asfd -> fp); + fwrite (objfile -> name, strlen (objfile -> name) + 1, 1, asfd -> fp); + + /* Build an AT_addr attribute for the virtual address to which the + objfile data is mapped (and needs to be remapped when read in). */ + + base = mmap_base (); + *lp++ = AT_addr; + *lp++ = (long) base; + + /* Build an AT_aux_addr attribute for the address of the objfile + structure itself, within the dumpable data. When we read the objfile + back in, we use this address as the pointer the "struct objfile". */ + + *lp++ = AT_aux_addr; + *lp++ = (long) objfile; + + /* Reposition in state file to next paging boundry so we can mmap the + dumpable objfile data when we reload it. */ + + foffset = (long) mmap_page_align ((PTR) ftell (asfd -> fp)); + fseek (asfd -> fp, foffset, SEEK_SET); + + /* Build an AT_offset attribute for the offset in the state file to + the start of the dumped objfile data. */ + + *lp++ = AT_offset; + *lp++ = (long) ftell (asfd -> fp); + + /* Build an AT_size attribute for the size of the dumped objfile data. */ + + breakval = mmap_sbrk (0); + *lp++ = AT_size; + *lp++ = breakval - base; + + /* Write the dumpable data. */ + + fwrite ((char *) base, breakval - base, 1, asfd -> fp); + + /* Now finish up the FTE by filling in the size slot based on + how much of the ftebuf we have used, allocate some memory for + it hung off the form tree node, and copy it there. */ + + ftebuf[0] = (lp - ftebuf) * sizeof (ftebuf[0]); + fnp -> nodedata = (char *) xmalloc (ftebuf[0]); + memcpy (fnp -> nodedata, ftebuf, ftebuf[0]); + } +} + +static void +load_state_command (arg_string, from_tty) + char *arg_string; + int from_tty; +{ + char *filename; + char **argv; + FILE *fp; + struct cleanup *cleanups; + + dont_repeat (); + + if (arg_string == NULL) + { + error ("load-state takes a file name and optional state specifiers"); + } + else if ((argv = buildargv (arg_string)) == NULL) + { + fatal ("virtual memory exhausted.", 0); + } + cleanups = make_cleanup (freeargv, argv); + + filename = tilde_expand (*argv); + make_cleanup (free, filename); + + if ((fp = fopen (filename, "r")) == NULL) + { + perror_with_name (filename); + } + make_cleanup (fclose, fp); + immediate_quit++; + + while (*++argv != NULL) + { + if (strcmp (*argv, "symbols") == 0) + { + if (from_tty + && !query ("load symbol table state from file \"%s\"? ", + filename)) + { + error ("Not confirmed."); + } + load_symbols (fp); + } + else + { + error ("unknown state specifier '%s'", *argv); + } + } + immediate_quit--; + do_cleanups (cleanups); +} + +/* ARGSUSED */ +static void +dump_state_command (arg_string, from_tty) + char *arg_string; + int from_tty; +{ + char *filename; + char **argv; + sfd *asfd; + struct cleanup *cleanups; + + dont_repeat (); + + if (arg_string == NULL) + { + error ("dump-state takes a file name and state specifiers"); + } + else if ((argv = buildargv (arg_string)) == NULL) + { + fatal ("virtual memory exhausted.", 0); + } + cleanups = make_cleanup (freeargv, argv); + + filename = tilde_expand (*argv); + make_cleanup (free, filename); + + /* Now attempt to create a fresh state file. */ + + if ((asfd = sfd_fopen (filename, "w")) == NULL) + { + perror_with_name (filename); + } + make_cleanup (sfd_fclose, asfd); + make_cleanup (free_formtree, NULL); + immediate_quit++; + + /* Now that we have an open and initialized state file, seek to the + proper offset to start writing state data and the process the + arguments. For each argument, write the state data and initialize + a form-tree node for each piece of state data. */ + + fseek (asfd -> fp, sizeof (sf_hdr), SEEK_SET); + while (*++argv != NULL) + { + if (strcmp (*argv, "objfile") == 0) + { + write_objfile_state (asfd); + } + else + { + error ("unknown state specifier '%s'", *argv); + } + + } + + /* We have written any state data. All that is left to do now is + write the form-tree and the file header. */ + + write_formtree (asfd); + write_header (asfd); + + immediate_quit--; + do_cleanups (cleanups); +} + +static char * +find_fte_by_walk (thisfte, endfte, tag) + char *thisfte; + char *endfte; + long tag; +{ + char *found = NULL; + char *nextfte; + long thistag; + long thissize; + long siboffset; + + while (thisfte < endfte) + { + if ((thistag = *(long *)(thisfte + sizeof (long))) == tag) + { + found = thisfte; + break; + } + else + { + thissize = *(long *)(thisfte); + siboffset = *(long *)(thisfte + (2 * sizeof (long))); + nextfte = thisfte + (siboffset != 0 ? siboffset : thissize); + found = find_fte_by_walk (thisfte + thissize, nextfte, tag); + thisfte = nextfte; + } + } + return (found); +} + +/* Walk the form-tree looking for a specific FTE type. Returns the first + one found that matches the specified tag. */ + +static char * +find_fte (asfd, tag) + sfd *asfd; + long tag; +{ + char *ftbase; + char *ftend; + char *ftep; + char *found = NULL; + + if (fseek (asfd -> fp, asfd -> hdr.sf_ftoff, SEEK_SET) == 0) + { + ftbase = xmalloc (asfd -> hdr.sf_ftsize); + ftend = ftbase + asfd -> hdr.sf_ftsize; + if (fread (ftbase, asfd -> hdr.sf_ftsize, 1, asfd -> fp) == 1) + { + ftep = find_fte_by_walk (ftbase, ftend, tag); + if (ftep != NULL) + { + found = xmalloc (*(long *)ftep); + memcpy (found, ftep, (int) *(long *)ftep); + } + } + free (ftbase); + } + return (found); +} + +struct objfile * +objfile_from_statefile (asfd) + sfd *asfd; +{ + struct objfile *objfile = NULL; + char *ftep; + long *thisattr; + long *endattr; + PTR base; + long foffset; + long mapsize; + + ftep = find_fte (asfd, TAG_objfile); + thisattr = (long *) (ftep + 3 * sizeof (long)); + endattr = (long *) (ftep + *(long *)ftep); + while (thisattr < endattr) + { + switch (*thisattr++) + { + case AT_name: + /* Ignore for now */ + thisattr++; + break; + case AT_addr: + base = (PTR) *thisattr++; + break; + case AT_aux_addr: + objfile = (struct objfile *) *thisattr++; + break; + case AT_offset: + foffset = *thisattr++; + break; + case AT_size: + mapsize = *thisattr++; + break; + } + } + if (mmap_remap (base, mapsize, (int) fileno (asfd -> fp), foffset) != base) + { + print_sys_errmsg (asfd -> filename, errno); + error ("mapping failed"); + } + + return (objfile); +} + +#else + +struct objfile * +objfile_from_statefile (asfd) + sfd *asfd; +{ + error ("this version of gdb doesn't support reloading symtabs from state files"); +} + +#endif /* HAVE_MMAP */ + +/* Close a state file, freeing all memory that was used by the state + file descriptor, closing the raw file pointer, etc. */ + +void +sfd_fclose (asfd) + sfd *asfd; +{ + if (asfd != NULL) + { + if (asfd -> fp != NULL) + { + fclose (asfd -> fp); + } + if (asfd -> filename != NULL) + { + free (asfd -> filename); + } + free (asfd); + } +} + +/* Given the name of a possible statefile, and flags to use to open it, + try to open the file and prepare it for use. + + If the flags contain 'r', then we want to read an existing state + file, so attempt to read in the state file header and determine if this + is a valid state file. If not, return NULL. + + Returns a pointer to a properly initialized state file descriptor if + successful. */ + +sfd * +sfd_fopen (name, flags) + char *name; + char *flags; +{ + int success = 0; + sfd *asfd; + + asfd = (sfd *) xmalloc (sizeof (sfd)); + (void) memset (asfd, 0, sizeof (sfd)); + asfd -> filename = xmalloc (strlen (name) + 1); + (void) strcpy (asfd -> filename, name); + + if ((asfd -> fp = fopen (asfd -> filename, flags)) != NULL) + { + /* We have the file, now see if we are reading an existing file + or writing to a new file. We don't currently support "rw". */ + if (strchr (flags, 'r') != NULL) + { + if (fread ((char *) &asfd -> hdr, sizeof (asfd -> hdr), 1, + asfd -> fp) == 1) + { + if (SF_GOOD_MAGIC (asfd)) + { + success = 1; + } + } + } + else + { + /* This is a new state file. Initialize various things. */ + asfd -> hdr.sf_mag0 = SF_MAG0; + asfd -> hdr.sf_mag1 = SF_MAG1; + asfd -> hdr.sf_mag2 = SF_MAG2; + asfd -> hdr.sf_mag3 = SF_MAG3; + success = 1; + } + } + + if (!success) + { + sfd_fclose (asfd); + asfd = NULL; + } + return (asfd); + +} + + +void +_initialize_state () +{ + +#ifdef HAVE_MMAP + + add_com ("load-state", class_support, load_state_command, + "Load some saved gdb state from FILE.\n\ +Select and load some portion of gdb's saved state from the specified file.\n\ +The dump-state command may be used to save various portions of gdb's\n\ +internal state."); + + add_com ("dump-state", class_support, dump_state_command, + "Dump some of gdb's state to FILE.\n\ +Select and dump some portion of gdb's internal state to the specified file.\n\ +The load-state command may be used to reload various portions of gdb's\n\ +internal state from the file."); + +#endif /* HAVE_MMAP */ + +} diff --git a/gdb/state.h b/gdb/state.h new file mode 100644 index 0000000..9a8f972 --- /dev/null +++ b/gdb/state.h @@ -0,0 +1,85 @@ +/* Support for dumping and reloading various pieces of GDB's internal state. + Copyright 1992 Free Software Foundation, Inc. + Contributed by Cygnus Support, using pieces from other GDB modules. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This file provides definitions used for reading and writing gdb + state files. State files have a fairly simple form which is intended + to be easily extensible. See state.c for further documentation. */ + +#if !defined (_STATE_H) +#define _STATE_H + +/* State file-header */ + +typedef struct { + unsigned char sf_mag0; /* Magic number byte 0 */ + unsigned char sf_mag1; /* Magic number byte 1 */ + unsigned char sf_mag2; /* Magic number byte 2 */ + unsigned char sf_mag3; /* Magic number byte 3 */ + unsigned long sf_ftoff; /* File offset to start of form-tree */ + unsigned long sf_ftsize; /* Size of the form-tree, in bytes */ +} sf_hdr; + + +#define SF_MAG0 'g' /* Magic number byte 0 value */ +#define SF_MAG1 'd' /* Magic number byte 1 value */ +#define SF_MAG2 'b' /* Magic number byte 2 value */ +#define SF_MAG3 '\000' /* Magic number byte 3 value */ + +#define SF_GOOD_MAGIC(asfd) ((asfd) -> hdr.sf_mag0 == SF_MAG0 && \ + (asfd) -> hdr.sf_mag1 == SF_MAG1 && \ + (asfd) -> hdr.sf_mag2 == SF_MAG2 && \ + (asfd) -> hdr.sf_mag3 == SF_MAG3) + +/* The internal form-tree is formed from nodes that contain pointers + to the first sibling, the first child, a backpointer to the parent, + and a pointer to the actual data for the node. This allows all + tree nodes to have the same sized structure, but support variable + numbers of child nodes per parent node. The backpointer for the + parent is required for simplier tree walks. */ + +struct formnode +{ + struct formnode *sibling; /* Pointer to first sibling */ + struct formnode *child; /* Pointer to first child */ + struct formnode *parent; /* Backpointer to parent */ + char *nodedata; /* Pointer to the nodes data */ + unsigned long treesize; /* Size of subtree rooted here */ +}; + +/* A state file descriptor is defined by the following structure. */ + +typedef struct +{ + char *filename; /* Full pathname of the state file */ + FILE *fp; /* Open file pointer for the state file */ + sf_hdr hdr; /* Copy of the state file-header */ + char *formtree; /* Pointer to in-memory copy of form-tree */ +} sfd; + +extern sfd * +sfd_fopen PARAMS ((char *, char *)); + +extern void +sfd_fclose PARAMS ((sfd *)); + +extern struct objfile * +objfile_from_statefile PARAMS ((sfd *)); + +#endif /* !defined (_STATE_H) */ diff --git a/gdb/symm-tdep.c b/gdb/symm-tdep.c index 55a75ad..e5161d5 100644 --- a/gdb/symm-tdep.c +++ b/gdb/symm-tdep.c @@ -444,15 +444,12 @@ symmetry_extract_return_value(type, regbuf, valbuf) double d; int l[2]; } xd; - int i; + struct minimal_symbol *msymbol; float f; if (TYPE_CODE_FLT == TYPE_CODE(type)) { - for (i = 0; i < misc_function_count; i++) { - if (!strcmp(misc_function_vector[i].name, "1167_flt")) - break; - } - if (i < misc_function_count) { + msymbol = lookup_minimal_symbol ("1167_flt", (struct objfile *) NULL); + if (msymbol != NULL) { /* found "1167_flt" means 1167, %fp2-%fp3 */ /* float & double; 19= %fp2, 20= %fp3 */ /* no single precision on 1167 */ diff --git a/gdb/tm-sunos.h b/gdb/tm-sunos.h index 3abfe9b..8a23246 100644 --- a/gdb/tm-sunos.h +++ b/gdb/tm-sunos.h @@ -18,16 +18,4 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* This is for SunOS version 4, not for earlier versions. */ -#define CLEAR_SOLIB clear_solib -extern void clear_solib (); - -#define SOLIB_ADD(filename, from_tty, targ) solib_add (filename, from_tty, targ) -extern void solib_add (); - -#define SOLIB_CREATE_INFERIOR_HOOK solib_create_inferior_hook -extern void solib_create_inferior_hook(); - -/* If we can't set a breakpoint, and it's in a shared library, just - disable it. */ -#define DISABLE_UNSETTABLE_BREAK(addr) solib_address(addr) -extern int solib_address (); /* solib.c */ +#include "solib.h" /* Support for shared libraries. */ diff --git a/gdb/values.c b/gdb/values.c index e3c3187..09ff38a 100644 --- a/gdb/values.c +++ b/gdb/values.c @@ -21,13 +21,23 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <string.h> #include "defs.h" #include "symtab.h" +#include "gdbtypes.h" #include "value.h" #include "gdbcore.h" #include "frame.h" #include "command.h" #include "gdbcmd.h" -extern char *cplus_demangle (); +/* Local function prototypes. */ + +static value +value_headof PARAMS ((value, struct type *, struct type *)); + +static void +show_values PARAMS ((char *, int)); + +static void +show_convenience PARAMS ((void)); /* The value-history records all the values printed by print commands during this session. Each chunk @@ -1002,6 +1012,8 @@ value_headof (arg, btype, dtype) struct symbol *sym; CORE_ADDR pc_for_sym; char *demangled_name; + struct minimal_symbol *msymbol; + btype = TYPE_VPTR_BASETYPE (dtype); check_stub_type (btype); if (btype != dtype) @@ -1011,8 +1023,9 @@ value_headof (arg, btype, dtype) vtbl = value_ind (value_field (value_ind (vtbl), TYPE_VPTR_FIELDNO (btype))); /* Check that VTBL looks like it points to a virtual function table. */ - i = find_pc_misc_function (VALUE_ADDRESS (vtbl)); - if (i < 0 || ! VTBL_PREFIX_P (demangled_name = misc_function_vector[i].name)) + msymbol = lookup_minimal_symbol_by_pc (VALUE_ADDRESS (vtbl)); + if (msymbol == NULL + || !VTBL_PREFIX_P (demangled_name = msymbol -> name)) { /* If we expected to find a vtable, but did not, let the user know that we aren't happy, but don't throw an error. @@ -1249,7 +1262,7 @@ unpack_field_as_long (type, valaddr, fieldno) char *valaddr; int fieldno; { - long val; + unsigned long val; int bitpos = TYPE_FIELD_BITPOS (type, fieldno); int bitsize = TYPE_FIELD_BITSIZE (type, fieldno); diff --git a/gdb/xcoffexec.c b/gdb/xcoffexec.c index 086f862..fa65151 100644 --- a/gdb/xcoffexec.c +++ b/gdb/xcoffexec.c @@ -40,6 +40,17 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "libbfd.h" /* BFD internals (sigh!) FIXME */ +/* Prototypes for local functions */ + +static void +add_to_section_table PARAMS ((bfd *, sec_ptr, PTR)); + +static void +file_command PARAMS ((char *, int)); + +static void +exec_close PARAMS ((int)); + struct section_table *exec_sections, *exec_sections_end; #define eq(s0, s1) !strcmp(s0, s1) @@ -90,7 +101,7 @@ extern struct target_ops exec_ops; /* exec_close - done with exec file, clean up all resources. */ -void +static void exec_close(quitting) { register struct vmap *vp, *nxt; @@ -124,7 +135,7 @@ char *filename; int scratch_chan; filename = tilde_expand(filename); - make_cleanup(free, filename); + make_cleanup (free, filename); scratch_chan = openp(getenv("PATH"), 1, filename, O_RDONLY, 0 , &scratch_pathname); @@ -177,7 +188,7 @@ char *filename; * novelty. Why did GDB go through four major releases before this * command was added? */ -void +static void file_command(arg, from_tty) char *arg; { @@ -189,7 +200,7 @@ char *arg; { table_pp_char is a char * to get it through bfd_map_over_sections; we cast it back to its proper type. */ -void +static void add_to_section_table (abfd, asect, table_pp_char) bfd *abfd; sec_ptr asect; @@ -283,7 +294,6 @@ map_vmap (bfd *bf, bfd *arch) struct vmap_and_bfd vmap_bfd; struct vmap *vp, **vpp; struct objfile *obj; - char *name; vp = (void*) xmalloc (sizeof (*vp)); vp->nxt = 0; @@ -297,8 +307,7 @@ map_vmap (bfd *bf, bfd *arch) obj = lookup_objfile_bfd (bf); if (exec_bfd && !obj) { - name = savestring (bfd_get_filename (bf), strlen (bfd_get_filename (bf))); - obj = allocate_objfile (bf, name); + obj = allocate_objfile (bf, bfd_get_filename (bf), 0); syms_from_objfile (obj, 0, 0, 0); } @@ -308,8 +317,20 @@ map_vmap (bfd *bf, bfd *arch) *vpp = vp; } +/* Called via iterate_over_msymbols to relocate minimal symbols */ -/* true, if symbol table and misc_function_vector is relocated. */ +static void +relocate_minimal_symbol (objfile, msymbol, arg1, arg2, arg3) + struct objfile *objfile; + struct minimal_symbol *msymbol; + PTR arg1; + PTR arg2; + PTR arg3; +{ + msymbol -> address += (int) arg1; +} + +/* true, if symbol table and minimal symbol table are relocated. */ int symtab_relocated = 0; @@ -321,56 +342,61 @@ register struct vmap *vp; CORE_ADDR old_start; struct stat *vip; { - register struct symtab *s; - - /* - * for each symbol table generated from the vp->bfd - */ - for (s = symtab_list; s; s = s->next) { - - /* skip over if this is not relocatable and doesn't have a line table */ - if (s->nonreloc && !LINETABLE (s)) + register struct symtab *s; + register struct objfile *objfile; + + /* + * for each symbol table generated from the vp->bfd + */ + for (objfile = object_files; objfile != NULL; objfile = objfile -> next) + { + for (s = objfile -> symtabs; s != NULL; s = s -> next) { + + /* skip over if this is not relocatable and doesn't have a line table */ + if (s->nonreloc && !LINETABLE (s)) + continue; + + /* matching the symbol table's BFD and the *vp's BFD is hairy. + exec_file creates a seperate BFD for possibly the + same file as symbol_file.FIXME ALL THIS MUST BE RECTIFIED. */ + + if (objfile->obfd == vp->bfd) { + /* if they match, we luck out. */ + ; + } else if (vp->member[0]) { + /* no match, and member present, not this one. */ + continue; + } else { + struct stat si; + FILE *io; + + /* + * no match, and no member. need to be sure. + */ + io = bfd_cache_lookup(objfile->obfd); + if (!io) + fatal("cannot find BFD's iostream for sym"); + /* + * see if we are referring to the same file + */ + if (fstat(fileno(io), &si) < 0) + fatal("cannot fstat BFD for sym"); + + if (si.st_dev != vip->st_dev + || si.st_ino != vip->st_ino) continue; - - /* matching the symbol table's BFD and the *vp's BFD is hairy. - exec_file creates a seperate BFD for possibly the - same file as symbol_file.FIXME ALL THIS MUST BE RECTIFIED. */ - - if (s->objfile->obfd == vp->bfd) { - /* if they match, we luck out. */ - ; - } else if (vp->member[0]) { - /* no match, and member present, not this one. */ - continue; - } else { - struct stat si; - FILE *io; - - /* - * no match, and no member. need to be sure. - */ - io = bfd_cache_lookup(s->objfile->obfd); - if (!io) - fatal("cannot find BFD's iostream for sym"); - /* - * see if we are referring to the same file - */ - if (fstat(fileno(io), &si) < 0) - fatal("cannot fstat BFD for sym"); - - if (si.st_dev != vip->st_dev - || si.st_ino != vip->st_ino) - continue; - } - - if (vp->tstart != old_start) - vmap_symtab_1(s, vp, old_start); } - + if (vp->tstart != old_start) - fixup_misc_vector (vp->tstart - old_start); - - symtab_relocated = 1; + vmap_symtab_1(s, vp, old_start); + } + } + if (vp->tstart != old_start) + iterate_over_msymbols (relocate_minimal_symbol, + (PTR) (vp->tstart - old_start), + (PTR) NULL, (PTR) NULL); + + symtab_relocated = 1; } diff --git a/gdb/xcoffread.c b/gdb/xcoffread.c index d336ac4..e65ec07 100644 --- a/gdb/xcoffread.c +++ b/gdb/xcoffread.c @@ -38,6 +38,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <sys/stat.h> #include "symtab.h" +#include "gdbtypes.h" #include "symfile.h" #include "buildsym.h" @@ -45,14 +46,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "libcoff.h" /* FIXME, internal data from BFD */ #include "coff/rs6000.h" /* FIXME, raw file-format guts of xcoff */ -extern char *index(); - -static void enter_line_range (); -static struct symbol *process_xcoff_symbol (); -static int read_symbol_nvalue (); -static int read_symbol_lineno (); - - /* Simplified internal version of coff symbol table information */ struct coff_symbol { @@ -151,14 +144,106 @@ struct coff_symfile_info { }; +static void +enter_line_range PARAMS ((struct subfile *, unsigned, unsigned, CORE_ADDR, + unsigned *)); + +static void +aixcoff_symfile_read PARAMS ((struct sym_fns *, CORE_ADDR, int)); + +static void +free_debugsection PARAMS ((void)); + +static int +init_debugsection PARAMS ((bfd *)); + +static int +init_stringtab PARAMS ((bfd *, long, struct objfile *)); + +static void +aixcoff_symfile_init PARAMS ((struct sym_fns *)); + +static void +aixcoff_new_init PARAMS ((void)); + +static void +dump_minimal_symbols PARAMS ((struct objfile *)); + +static void +dump_symtab_lines PARAMS ((struct symtab *)); + +static void +dump_symtabs PARAMS ((struct symtab *)); + +static void +dump_last_symtab PARAMS ((struct symtab *)); + +static void +dump_blockvector PARAMS ((struct blockvector *)); + +static void +dump_block PARAMS ((struct block *)); + +static char * +dump_addrclass PARAMS ((int)); + +static char * +dump_namespace PARAMS ((int)); + +static void +dump_symbol PARAMS ((struct symbol *)); + +static void +dump_type PARAMS ((struct type *)); + +static void +dump_linetable PARAMS ((struct linetable *)); + +static void +dump_strtbl PARAMS ((void)); + +static int +init_lineno PARAMS ((bfd *, long, int)); + +static void +find_linenos PARAMS ((bfd *, sec_ptr, PTR)); + +static int +read_symbol_lineno PARAMS ((char *, int)); + +static int +read_symbol_nvalue PARAMS ((char *, int)); + +static struct symbol * +process_xcoff_symbol PARAMS ((struct coff_symbol *, struct objfile *)); + +static void +read_xcoff_symtab PARAMS ((struct objfile *, int)); + +static void +enter_line_range PARAMS ((struct subfile *, unsigned, unsigned, CORE_ADDR, + unsigned *)); + +static void +add_stab_to_list PARAMS ((char *, struct pending_stabs **)); + +static void +sort_syms PARAMS ((void)); + +static int +compare_symbols PARAMS ((const void *, const void *)); + /* Call sort_syms to sort alphabetically the symbols of each block of each symtab. */ static int -compare_symbols (s1, s2) -struct symbol **s1, **s2; +compare_symbols (s1p, s2p) + const PTR s1p; + const PTR s2p; { /* Names that are less should come first. */ + register struct symbol **s1 = (struct symbol **) s1p; + register struct symbol **s2 = (struct symbol **) s2p; register int namediff = strcmp (SYMBOL_NAME (*s1), SYMBOL_NAME (*s2)); if (namediff != 0) return namediff; @@ -175,22 +260,28 @@ static void sort_syms () { register struct symtab *s; + register struct objfile *objfile; register int i, nbl; register struct blockvector *bv; register struct block *b; - for (s = symtab_list; s; s = s->next) - { - bv = BLOCKVECTOR (s); - nbl = BLOCKVECTOR_NBLOCKS (bv); - for (i = 0; i < nbl; i++) + for (objfile = object_files; objfile != NULL; objfile = objfile -> next) { - b = BLOCKVECTOR_BLOCK (bv, i); - if (BLOCK_SHOULD_SORT (b)) - qsort (&BLOCK_SYM (b, 0), BLOCK_NSYMS (b), - sizeof (struct symbol *), compare_symbols); + for (s = objfile -> symtabs; s != NULL; s = s -> next) + { + bv = BLOCKVECTOR (s); + nbl = BLOCKVECTOR_NBLOCKS (bv); + for (i = 0; i < nbl; i++) + { + b = BLOCKVECTOR_BLOCK (bv, i); + if (BLOCK_SHOULD_SORT (b)) + { + qsort (&BLOCK_SYM (b, 0), BLOCK_NSYMS (b), + sizeof (struct symbol *), compare_symbols); + } + } + } } - } } @@ -211,47 +302,13 @@ struct pending_stabs **stabvector; else if ((*stabvector)->count >= (*stabvector)->length) { (*stabvector)->length += INITIAL_STABVECTOR_LENGTH; *stabvector = (struct pending_stabs *) - xrealloc (*stabvector, sizeof (struct pending_stabs) + + xrealloc ((char *) *stabvector, sizeof (struct pending_stabs) + (*stabvector)->length * sizeof (char*)); } (*stabvector)->stab [(*stabvector)->count++] = stabname; } -/* for all the stabs in a given stab vector, build appropriate types - and fix their symbols in given symbol vector. */ - -void -patch_block_stabs (symbols, stabs) -struct pending *symbols; -struct pending_stabs *stabs; -{ - int ii; - - if (!stabs) - return; - - /* for all the stab entries, find their corresponding symbols and - patch their types! */ - - for (ii=0; ii < stabs->count; ++ii) { - char *name = stabs->stab[ii]; - char *pp = (char*) index (name, ':'); - struct symbol *sym = find_symbol_in_list (symbols, name, pp-name); - if (!sym) { - printf ("ERROR! stab symbol not found!\n"); /* FIXME */ - } - else { - pp += 2; - - if (*(pp-1) == 'F' || *(pp-1) == 'f') - SYMBOL_TYPE (sym) = lookup_function_type (read_type (&pp)); - else - SYMBOL_TYPE (sym) = read_type (&pp); - } - } -} - /* Enter a given range of lines into the line vector. can be called in the following two ways: enter_line_range (subfile, beginoffset, endoffset, 0, firstLine) or @@ -316,16 +373,16 @@ enter_line_range (subfile, beginoffset, endoffset, endaddr, firstLine) /* Reading symbol table has to be fast! Keep the followings as macros, rather than functions. */ -#define RECORD_MISC_FUNCTION(NAME, ADDR, TYPE, ALLOCED) \ +#define RECORD_MINIMAL_SYMBOL(NAME, ADDR, TYPE, ALLOCED) \ { \ char *namestr; \ if (ALLOCED) \ namestr = (NAME) + 1; \ else { \ - namestr = obstack_copy0 (symbol_obstack, (NAME) + 1, strlen ((NAME)+1)); \ + namestr = obstack_copy0 (&objfile->symbol_obstack, (NAME) + 1, strlen ((NAME)+1)); \ (ALLOCED) = 1; \ } \ - prim_record_misc_function (namestr, (ADDR), (TYPE)); \ + prim_record_minimal_symbol (namestr, (ADDR), (TYPE)); \ last_recorded_fun = (ADDR); \ } @@ -343,7 +400,7 @@ static int symname_alloced = 0; /* read the whole symbol table of a given bfd. */ -void +static void read_xcoff_symtab (objfile, nsyms) struct objfile *objfile; /* Object file we're reading from */ int nsyms; /* # of symbols */ @@ -376,6 +433,8 @@ read_xcoff_symtab (objfile, nsyms) char *last_seen_csect; int last_recorded_fun = 0; /* last recorded fun. value */ + current_objfile = objfile; + /* Get the appropriate COFF "constants" related to the file we're handling. */ N_TMASK = coff_data (abfd)->local_n_tmask; N_BTSHFT = coff_data (abfd)->local_n_btshft; @@ -522,7 +581,7 @@ read_xcoff_symtab (objfile, nsyms) if (cs->c_name && cs->c_name[0] == '.') { last_seen_csect = cs->c_name; - RECORD_MISC_FUNCTION (cs->c_name, cs->c_value, mf_text, symname_alloced); + RECORD_MINIMAL_SYMBOL (cs->c_name, cs->c_value, mst_text, symname_alloced); } } continue; @@ -553,7 +612,7 @@ read_xcoff_symtab (objfile, nsyms) function_entry_point: if (cs->c_value != last_recorded_fun) - RECORD_MISC_FUNCTION (cs->c_name, cs->c_value, mf_text, + RECORD_MINIMAL_SYMBOL (cs->c_name, cs->c_value, mst_text, symname_alloced); fcn_line_offset = main_aux->x_sym.x_fcnary.x_fcn.x_lnnoptr; @@ -569,7 +628,7 @@ function_entry_point: /* shared library function entry point. */ else if (CSECT_SCLAS (main_aux) == XMC_GL) { if (last_recorded_fun != cs->c_value) - RECORD_MISC_FUNCTION (cs->c_name, cs->c_value, mf_text, + RECORD_MINIMAL_SYMBOL (cs->c_name, cs->c_value, mst_text, symname_alloced); continue; } @@ -627,7 +686,7 @@ function_entry_point: /* mark_first_line (fcn_line_offset, cs->c_symnum); */ new = push_context (0, fcn_start_addr); - new->name = process_xcoff_symbol (&fcn_cs_saved); + new->name = process_xcoff_symbol (&fcn_cs_saved, objfile); } else if (strcmp (cs->c_name, ".ef") == 0) { @@ -653,7 +712,7 @@ function_entry_point: finish_block (new->name, &local_symbols, new->old_blocks, new->start_addr, fcn_cs_saved.c_value + - fcn_aux_saved.x_sym.x_misc.x_fsize); + fcn_aux_saved.x_sym.x_misc.x_fsize, objfile); within_function = 0; } break; @@ -690,7 +749,7 @@ function_entry_point: fcn_last_line = cs->c_value; /* Offset to last line number */ { long dummy = 0; enter_line_range (current_subfile, fcn_first_line, cs->c_value, 0, - &dummy); + (unsigned *) &dummy); } start_subfile (pop_subfile (), (char *)0); break; @@ -710,14 +769,14 @@ function_entry_point: if (local_symbols && context_stack_depth > 0) { /* Make a block for the local symbols within. */ finish_block (new->name, &local_symbols, new->old_blocks, - new->start_addr, cs->c_value); + new->start_addr, cs->c_value, objfile); } local_symbols = new->locals; } break; default : - (void) process_xcoff_symbol (cs); + (void) process_xcoff_symbol (cs, objfile); break; } @@ -727,24 +786,26 @@ function_entry_point: end_symtab (cur_src_end_addr, 1, 1, objfile); free (symtbl); + current_objfile = NULL; } #define SYMBOL_DUP(SYMBOL1, SYMBOL2) \ (SYMBOL2) = (struct symbol *) \ - obstack_alloc (symbol_obstack, sizeof (struct symbol)); \ + obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol)); \ *(SYMBOL2) = *(SYMBOL1); #define SYMNAME_ALLOC(NAME, ALLOCED) \ - (ALLOCED) ? (NAME) : obstack_copy0 (symbol_obstack, (NAME), strlen (NAME)); + (ALLOCED) ? (NAME) : obstack_copy0 (&objfile->symbol_obstack, (NAME), strlen (NAME)); /* process one xcoff symbol. */ static struct symbol * -process_xcoff_symbol (cs) +process_xcoff_symbol (cs, objfile) register struct coff_symbol *cs; + struct objfile *objfile; { struct symbol onesymbol; register struct symbol *sym = &onesymbol; @@ -769,7 +830,7 @@ process_xcoff_symbol (cs) on in patch_block_stabs () */ SYMBOL_NAME (sym) = SYMNAME_ALLOC (name, symname_alloced); - SYMBOL_TYPE (sym) = lookup_function_type (builtin_type_int); + SYMBOL_TYPE (sym) = lookup_function_type (lookup_fundamental_type (current_objfile, FT_INTEGER)); SYMBOL_CLASS (sym) = LOC_BLOCK; SYMBOL_DUP (sym, sym2); @@ -783,7 +844,7 @@ process_xcoff_symbol (cs) else { /* in case we can't figure out the type, default is `int'. */ - SYMBOL_TYPE (sym) = builtin_type_int; + SYMBOL_TYPE (sym) = lookup_fundamental_type (current_objfile, FT_INTEGER); switch (cs->c_sclass) { @@ -795,12 +856,12 @@ process_xcoff_symbol (cs) break; case C_DECL: /* a type decleration?? */ - qq = (char*) index (name, ':'); + qq = (char*) strchr (name, ':'); if (!qq) /* skip if there is no ':' */ return NULL; pp = qq + 2; - ttype = SYMBOL_TYPE (sym) = read_type (&pp); + ttype = SYMBOL_TYPE (sym) = read_type (&pp, objfile); /* read_type() will return null if type (or tag) definition was unnnecessarily duplicated. Also, if the symbol doesn't have a name, @@ -819,7 +880,7 @@ process_xcoff_symbol (cs) } SYMBOL_CLASS (sym) = LOC_TYPEDEF; - SYMBOL_NAME (sym) = obsavestring (name, qq-name); + SYMBOL_NAME (sym) = obsavestring (name, qq-name, &objfile->symbol_obstack); if (SYMBOL_NAMESPACE (sym) == STRUCT_NAMESPACE) TYPE_NAME (ttype) = concat ( @@ -840,36 +901,36 @@ process_xcoff_symbol (cs) break; case C_PSYM: - if (*name == ':' || (pp = (char *) index (name, ':')) == NULL) + if (*name == ':' || (pp = (char *) strchr (name, ':')) == NULL) return NULL; - SYMBOL_NAME (sym) = obsavestring (name, pp-name); + SYMBOL_NAME (sym) = obsavestring (name, pp-name, &objfile -> symbol_obstack); SYMBOL_CLASS (sym) = LOC_ARG; pp += 2; - SYMBOL_TYPE (sym) = read_type (&pp); + SYMBOL_TYPE (sym) = read_type (&pp, objfile); SYMBOL_DUP (sym, sym2); add_symbol_to_list (sym2, &local_symbols); break; case C_STSYM: - if (*name == ':' || (pp = (char *) index (name, ':')) == NULL) + if (*name == ':' || (pp = (char *) strchr (name, ':')) == NULL) return NULL; - SYMBOL_NAME (sym) = obsavestring (name, pp-name); + SYMBOL_NAME (sym) = obsavestring (name, pp-name, &objfile -> symbol_obstack); SYMBOL_CLASS (sym) = LOC_STATIC; SYMBOL_VALUE (sym) += static_block_base; pp += 2; - SYMBOL_TYPE (sym) = read_type (&pp); + SYMBOL_TYPE (sym) = read_type (&pp, objfile); SYMBOL_DUP (sym, sym2); add_symbol_to_list (sym2, within_function ? &local_symbols : &file_symbols); break; case C_LSYM: - if (*name == ':' || (pp = (char *) index (name, ':')) == NULL) + if (*name == ':' || (pp = (char *) strchr (name, ':')) == NULL) return NULL; - SYMBOL_NAME (sym) = obsavestring (name, pp-name); + SYMBOL_NAME (sym) = obsavestring (name, pp-name, &objfile -> symbol_obstack); SYMBOL_CLASS (sym) = LOC_LOCAL; pp += 1; - SYMBOL_TYPE (sym) = read_type (&pp); + SYMBOL_TYPE (sym) = read_type (&pp, objfile); SYMBOL_DUP (sym, sym2); add_symbol_to_list (sym2, &local_symbols); break; @@ -905,21 +966,22 @@ process_xcoff_symbol (cs) break; case C_RSYM: - pp = (char*) index (name, ':'); + pp = (char*) strchr (name, ':'); SYMBOL_CLASS (sym) = LOC_REGISTER; SYMBOL_VALUE (sym) = STAB_REG_TO_REGNUM (cs->c_value); if (pp) { - SYMBOL_NAME (sym) = obsavestring (name, pp-name); + SYMBOL_NAME (sym) = obsavestring (name, pp-name, &objfile -> symbol_obstack); pp += 2; if (*pp) - SYMBOL_TYPE (sym) = read_type (&pp); + SYMBOL_TYPE (sym) = read_type (&pp, objfile); } else /* else this is not a stab entry, suppose the type is either `int' or `float', depending on the register class. */ - SYMBOL_TYPE (sym) = (SYMBOL_VALUE (sym) < 32) ? - builtin_type_int : builtin_type_float; + SYMBOL_TYPE (sym) = (SYMBOL_VALUE (sym) < 32) + ? lookup_fundamental_type (current_objfile, FT_INTEGER) + : lookup_fundamental_type (current_objfile, FT_FLOAT); SYMBOL_DUP (sym, sym2); add_symbol_to_list (sym2, &local_symbols); @@ -986,7 +1048,7 @@ static void find_linenos(abfd, asect, vpinfo) bfd *abfd; sec_ptr asect; -void *vpinfo; +PTR vpinfo; { struct coff_symfile_info *info; int size, count; @@ -1033,12 +1095,12 @@ init_lineno (abfd, offset, size) linetab_offset = offset; linetab_size = size; - make_cleanup(free, linetab); /* Be sure it gets de-allocated. */ + make_cleanup (free, linetab); /* Be sure it gets de-allocated. */ return 0; } -void +static void dump_strtbl () { int ii; @@ -1048,7 +1110,7 @@ dump_strtbl () printf ("\n"); } -void +static void dump_linetable (ltb) struct linetable *ltb; { @@ -1057,17 +1119,14 @@ dump_linetable (ltb) printf ("line: %d, addr: 0x%x\n", ltb->item[ii].line, ltb->item[ii].pc); } -void +static void dump_type (typeP) struct type *typeP; { printf ("0x%x: name: %s\n", typeP, typeP->name ? typeP->name : "(nil)"); } -char *dump_namespace (); -char *dump_addrclass (); - -void +static void dump_symbol (pp) struct symbol *pp; { @@ -1079,8 +1138,7 @@ dump_symbol (pp) SYMBOL_CLASS(pp) == LOC_BLOCK ? BLOCK_END(SYMBOL_BLOCK_VALUE(pp)) : 0); } - -char * +static char * dump_namespace (ns) int ns; { @@ -1098,8 +1156,7 @@ int ns; return "***ERROR***"; } - -char * +static char * dump_addrclass (ac) int ac; /* address class */ { @@ -1137,7 +1194,7 @@ int ac; /* address class */ return "***ERROR***"; } -void +static void dump_block (pp) struct block *pp; { @@ -1147,7 +1204,7 @@ dump_block (pp) dump_symbol (pp->sym[ii]); } -void +static void dump_blockvector (pp) struct blockvector *pp; { @@ -1156,8 +1213,7 @@ dump_blockvector (pp) dump_block (pp->block [ii]); } - -void +static void dump_last_symtab (pp) struct symtab *pp; { @@ -1169,7 +1225,7 @@ dump_last_symtab (pp) } } -void +static void dump_symtabs (pp) struct symtab *pp; { @@ -1181,7 +1237,7 @@ dump_symtabs (pp) } } -void +static void dump_symtab_lines (pp) struct symtab *pp; { @@ -1193,14 +1249,16 @@ dump_symtab_lines (pp) } } -void -dump_misc_funcs () +static void +dump_minimal_symbols (objfile) +struct objfile *objfile; { - int ii; - for (ii=0; ii < misc_function_count; ++ii) - printf ("name: %s, addr: 0x%x\n", - misc_function_vector[ii].name, - misc_function_vector[ii].address); + struct minimal_symbol *msymbol; + + for (msymbol = objfile -> msymbols; msymbol -> name != NULL; msymbol++) + { + printf ("name: %s, addr: 0x%x\n", msymbol -> name, msymbol -> address); + } } @@ -1235,77 +1293,85 @@ char **pp; /* default types are defined in dbxstclass.h. */ switch ( typenums[1] ) { case 1: - return builtin_type_int; + return lookup_fundamental_type (current_objfile, FT_INTEGER); case 2: - return builtin_type_char; + return lookup_fundamental_type (current_objfile, FT_CHAR); case 3: - return builtin_type_short; + return lookup_fundamental_type (current_objfile, FT_SHORT); case 4: - return builtin_type_long; + return lookup_fundamental_type (current_objfile, FT_LONG); case 5: - return builtin_type_unsigned_char; + return lookup_fundamental_type (current_objfile, FT_UNSIGNED_CHAR); case 6: - return builtin_type_char; /* requires a builtin `signed char' */ + return lookup_fundamental_type (current_objfile, FT_SIGNED_CHAR); case 7: - return builtin_type_unsigned_short; + return lookup_fundamental_type (current_objfile, FT_UNSIGNED_SHORT); case 8: - return builtin_type_unsigned_int; + return lookup_fundamental_type (current_objfile, FT_UNSIGNED_INTEGER); case 9: - return builtin_type_unsigned_int; + return lookup_fundamental_type (current_objfile, FT_UNSIGNED_INTEGER); case 10: - return builtin_type_unsigned_long; + return lookup_fundamental_type (current_objfile, FT_UNSIGNED_LONG); case 11: - return builtin_type_void; + return lookup_fundamental_type (current_objfile, FT_VOID); case 12: - return builtin_type_float; + return lookup_fundamental_type (current_objfile, FT_FLOAT); case 13: - return builtin_type_double; + return lookup_fundamental_type (current_objfile, FT_DBL_PREC_FLOAT); case 14: - return builtin_type_double; /* requires a builtin `long double' */ + return lookup_fundamental_type (current_objfile, FT_EXT_PREC_FLOAT); case 15: - return builtin_type_int; /* requires a builtin `integer' */ + /* requires a builtin `integer' */ + return lookup_fundamental_type (current_objfile, FT_INTEGER); case 16: - return builtin_type_int; /* requires builtin `boolean' */ + return lookup_fundamental_type (current_objfile, FT_BOOLEAN); case 17: - return builtin_type_float; /* requires builtin `short real' */ + /* requires builtin `short real' */ + return lookup_fundamental_type (current_objfile, FT_FLOAT); case 18: - return builtin_type_float; /* requires builtin `real' */ + /* requires builtin `real' */ + return lookup_fundamental_type (current_objfile, FT_FLOAT); default : printf ("ERROR! Unknown builtin type -%d\n", typenums[1]); return NULL; } } +#if 0 /* Seems to be unused, don't bother converting from old misc function + vector usage to new minimal symbol tables. FIXME: Delete this? */ + /* if we now nothing about a function but its address, make a function symbol out of it with the limited knowladge you have. This will be used when somebody refers to a function, which doesn't exist in the symbol table, - but in misc_function_vector. */ + but is in the minimal symbol table. */ struct symbol * -build_function_symbol (ind) +build_function_symbol (ind, objfile) int ind; + struct objfile *objfile; { struct symbol *sym = - (struct symbol *) obstack_alloc (symbol_obstack, sizeof (struct symbol)); + (struct symbol *) obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol)); SYMBOL_NAME (sym) = misc_function_vector[ind].name; /* SYMBOL_VALUE (sym) = misc_function_vector[ind].address; */ SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE; SYMBOL_CLASS (sym) = LOC_BLOCK; - SYMBOL_TYPE (sym) = lookup_function_type (builtin_type_int); + SYMBOL_TYPE (sym) = lookup_function_type (lookup_fundamental_type (current_objfile, FT_INTEGER)); SYMBOL_BLOCK_VALUE (sym) = (struct block *) - obstack_alloc (symbol_obstack, sizeof (struct block)); + obstack_alloc (&objfile->symbol_obstack, sizeof (struct block)); BLOCK_START (SYMBOL_BLOCK_VALUE (sym)) = misc_function_vector[ind].address; return sym; } +#endif -void +static void aixcoff_new_init () { /* Nothin' to do. */ } -void +static void aixcoff_symfile_init (sf) struct sym_fns *sf; { @@ -1331,9 +1397,10 @@ struct sym_fns *sf; static int -init_stringtab(abfd, offset) +init_stringtab(abfd, offset, objfile) bfd *abfd; long offset; + struct objfile *objfile; { long length; int val; @@ -1354,7 +1421,7 @@ init_stringtab(abfd, offset) /* Allocate string table from symbol_obstack. We will need this table as long as we have its symbol table around. */ - strtbl = (char*) obstack_alloc (symbol_obstack, length); + strtbl = (char*) obstack_alloc (&objfile->symbol_obstack, length); if (strtbl == NULL) return -1; @@ -1389,7 +1456,7 @@ init_debugsection(abfd) if (!(length = bfd_section_size(abfd, secp))) return 0; - debugsec = (void *) xmalloc ((unsigned)length); + debugsec = (char *) xmalloc ((unsigned)length); if (debugsec == NULL) return -1; @@ -1411,7 +1478,7 @@ free_debugsection() /* aixcoff version of symbol file read. */ -void +static void aixcoff_symfile_read (sf, addr, mainline) struct sym_fns *sf; CORE_ADDR addr; @@ -1449,7 +1516,7 @@ aixcoff_symfile_read (sf, addr, mainline) error("\"%s\": error reading line numbers\n", name); } - val = init_stringtab(abfd, stringtab_offset); + val = init_stringtab(abfd, stringtab_offset, sf->objfile); if (val < 0) { error ("\"%s\": can't get string table", name); } @@ -1466,8 +1533,8 @@ aixcoff_symfile_read (sf, addr, mainline) if (bfd_tell(abfd) != symtab_offset) fatal("bfd? BFD!"); - init_misc_bunches (); - make_cleanup(discard_misc_bunches, 0); + init_minimal_symbol_collection (); + make_cleanup (discard_minimal_symbols, 0); #ifdef XCOFF_INIT_LOADINFO if (mainline) @@ -1479,13 +1546,15 @@ aixcoff_symfile_read (sf, addr, mainline) read_xcoff_symtab(sf->objfile, num_symbols); - make_cleanup(free_debugsection, 0); + make_cleanup (free_debugsection, 0); /* Sort symbols alphabetically within each block. */ sort_syms (); - /* Go over the misc functions and install them in vector. */ - condense_misc_bunches (!mainline); + /* Install any minimal symbols that have been collected as the current + minimal symbols for this objfile. */ + + install_minimal_symbols (!mainline, sf -> objfile); /* Make a default for file to list. */ select_source_symtab (0); |