diff options
Diffstat (limited to 'gdb/symtab.h')
| -rw-r--r-- | gdb/symtab.h | 176 |
1 files changed, 6 insertions, 170 deletions
diff --git a/gdb/symtab.h b/gdb/symtab.h index 77300f7..2e54fc3 100644 --- a/gdb/symtab.h +++ b/gdb/symtab.h @@ -630,36 +630,6 @@ struct symbol #define SYMBOL_REGISTER_OPS(symbol) (symbol)->ops.ops_register #define SYMBOL_LOCATION_BATON(symbol) (symbol)->aux_value -/* A partial_symbol records the name, domain, and address class of - symbols whose types we have not parsed yet. For functions, it also - contains their memory address, so we can find them from a PC value. - Each partial_symbol sits in a partial_symtab, all of which are chained - on a partial symtab list and which points to the corresponding - normal symtab once the partial_symtab has been referenced. */ - -/* This structure is space critical. See space comments at the top. */ - -struct partial_symbol -{ - - /* The general symbol info required for all types of symbols. */ - - struct general_symbol_info ginfo; - - /* Name space code. */ - - ENUM_BITFIELD(domain_enum_tag) domain : 6; - - /* Address class (for info_symbols) */ - - ENUM_BITFIELD(address_class) aclass : 6; - -}; - -#define PSYMBOL_DOMAIN(psymbol) (psymbol)->domain -#define PSYMBOL_CLASS(psymbol) (psymbol)->aclass - - /* Each item represents a line-->pc (or the reverse) mapping. This is somewhat more wasteful of space than one might wish, but since only the files which are actually debugged are read in to core, we don't @@ -826,110 +796,6 @@ struct symtab #define SYMTAB_PSPACE(symtab) (symtab)->objfile->pspace -/* Each source file that has not been fully read in is represented by - a partial_symtab. This contains the information on where in the - executable the debugging symbols for a specific file are, and a - list of names of global symbols which are located in this file. - They are all chained on partial symtab lists. - - Even after the source file has been read into a symtab, the - partial_symtab remains around. They are allocated on an obstack, - objfile_obstack. FIXME, this is bad for dynamic linking or VxWorks- - style execution of a bunch of .o's. */ - -struct partial_symtab -{ - - /* Chain of all existing partial symtabs. */ - - struct partial_symtab *next; - - /* Name of the source file which this partial_symtab defines */ - - char *filename; - - /* Full path of the source file. NULL if not known. */ - - char *fullname; - - /* Directory in which it was compiled, or NULL if we don't know. */ - - char *dirname; - - /* Information about the object file from which symbols should be read. */ - - struct objfile *objfile; - - /* Set of relocation offsets to apply to each section. */ - - struct section_offsets *section_offsets; - - /* Range of text addresses covered by this file; texthigh is the - beginning of the next section. */ - - CORE_ADDR textlow; - CORE_ADDR texthigh; - - /* Array of pointers to all of the partial_symtab's which this one - depends on. Since this array can only be set to previous or - the current (?) psymtab, this dependency tree is guaranteed not - to have any loops. "depends on" means that symbols must be read - for the dependencies before being read for this psymtab; this is - for type references in stabs, where if foo.c includes foo.h, declarations - in foo.h may use type numbers defined in foo.c. For other debugging - formats there may be no need to use dependencies. */ - - struct partial_symtab **dependencies; - - int number_of_dependencies; - - /* Global symbol list. This list will be sorted after readin to - improve access. Binary search will be the usual method of - finding a symbol within it. globals_offset is an integer offset - within global_psymbols[]. */ - - int globals_offset; - int n_global_syms; - - /* Static symbol list. This list will *not* be sorted after readin; - to find a symbol in it, exhaustive search must be used. This is - reasonable because searches through this list will eventually - lead to either the read in of a files symbols for real (assumed - to take a *lot* of time; check) or an error (and we don't care - how long errors take). This is an offset and size within - static_psymbols[]. */ - - int statics_offset; - int n_static_syms; - - /* Pointer to symtab eventually allocated for this source file, 0 if - !readin or if we haven't looked for the symtab after it was readin. */ - - struct symtab *symtab; - - /* Pointer to function which will read in the symtab corresponding to - this psymtab. */ - - void (*read_symtab) (struct partial_symtab *); - - /* Information that lets read_symtab() locate the part of the symbol table - that this psymtab corresponds to. This information is private to the - format-dependent symbol reading routines. For further detail examine - the various symbol reading modules. Should really be (void *) but is - (char *) as with other such gdb variables. (FIXME) */ - - char *read_symtab_private; - - /* Non-zero if the symtab corresponding to this psymtab has been readin */ - - unsigned char readin; -}; - -/* A fast way to get from a psymtab to its symtab (after the first time). */ -#define PSYMTAB_TO_SYMTAB(pst) \ - ((pst) -> symtab != NULL ? (pst) -> symtab : psymtab_to_symtab (pst)) - - /* The virtual function table is now an array of structures which have the form { int16 offset, delta; void *pfn; }. @@ -1019,12 +885,6 @@ extern struct symbol *lookup_symbol_aux_block (const char *name, const struct block *block, const domain_enum domain); -/* Lookup a partial symbol. */ - -extern struct partial_symbol *lookup_partial_symbol (struct partial_symtab *, - const char *, int, - domain_enum); - /* lookup a symbol by name, within a specified block */ extern struct symbol *lookup_block_symbol (const struct block *, const char *, @@ -1055,20 +915,10 @@ extern int find_pc_partial_function (CORE_ADDR, char **, CORE_ADDR *, extern void clear_pc_function_cache (void); -/* from symtab.c: */ - -/* lookup partial symbol table by filename */ - -extern struct partial_symtab *lookup_partial_symtab (const char *); - -/* lookup partial symbol table by address */ - -extern struct partial_symtab *find_pc_psymtab (CORE_ADDR); - /* lookup partial symbol table by address and section */ -extern struct partial_symtab *find_pc_sect_psymtab (CORE_ADDR, - struct obj_section *); +extern struct symtab *find_pc_sect_symtab_via_partial (CORE_ADDR, + struct obj_section *); /* lookup full symbol table by address */ @@ -1078,17 +928,6 @@ extern struct symtab *find_pc_symtab (CORE_ADDR); extern struct symtab *find_pc_sect_symtab (CORE_ADDR, struct obj_section *); -/* lookup partial symbol by address */ - -extern struct partial_symbol *find_pc_psymbol (struct partial_symtab *, - CORE_ADDR); - -/* lookup partial symbol by address and section */ - -extern struct partial_symbol *find_pc_sect_psymbol (struct partial_symtab *, - CORE_ADDR, - struct obj_section *); - extern int find_pc_line_pc_range (CORE_ADDR, CORE_ADDR *, CORE_ADDR *); extern void reread_symbols (void); @@ -1264,8 +1103,6 @@ extern void free_symtab (struct symtab *); /* Symbol-reading stuff in symfile.c and solib.c. */ -extern struct symtab *psymtab_to_symtab (struct partial_symtab *); - extern void clear_solib (void); /* source.c */ @@ -1291,7 +1128,7 @@ extern char **make_source_files_completion_list (char *, char *); int matching_obj_sections (struct obj_section *, struct obj_section *); -extern struct partial_symtab *find_main_psymtab (void); +extern char *find_main_filename (void); extern struct symtab *find_line_symtab (struct symtab *, int, int *, int *); @@ -1318,10 +1155,6 @@ extern CORE_ADDR skip_prologue_using_sal (struct gdbarch *gdbarch, extern struct symbol *fixup_symbol_section (struct symbol *, struct objfile *); -extern struct partial_symbol *fixup_psymbol_section (struct partial_symbol - *psym, - struct objfile *objfile); - /* Symbol searching */ /* When using search_symbols, a list of the following structs is returned. @@ -1368,4 +1201,7 @@ struct symbol *lookup_global_symbol_from_objfile (const struct objfile *objfile, extern struct symtabs_and_lines expand_line_sal (struct symtab_and_line sal); +void fixup_section (struct general_symbol_info *ginfo, + CORE_ADDR addr, struct objfile *objfile); + #endif /* !defined(SYMTAB_H) */ |