diff options
Diffstat (limited to 'gdb/symtab.h')
| -rw-r--r-- | gdb/symtab.h | 371 |
1 files changed, 0 insertions, 371 deletions
diff --git a/gdb/symtab.h b/gdb/symtab.h deleted file mode 100644 index e562060..0000000 --- a/gdb/symtab.h +++ /dev/null @@ -1,371 +0,0 @@ -/* Symbol table definitions for GDB. - Copyright (C) 1986, 1989 Free Software Foundation, Inc. - -This file is part of GDB. - -GDB 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 1, or (at your option) -any later version. - -GDB 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 GDB; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include <obstack.h> - -/* An obstack to hold objects that should be freed - when we load a new symbol table. - This includes the symbols made by dbxread - and the types that are not permanent. */ - -extern struct obstack *symbol_obstack; -extern struct obstack *psymbol_obstack; - -/* Some definitions and declarations to go with use of obstacks. */ -#define obstack_chunk_alloc xmalloc -#define obstack_chunk_free free -extern char *xmalloc (); -extern void free (); - -/* gdb can know one or several symbol tables at the same time; - the ultimate intent is to have one for each separately-compiled module. - Each such symbol table is recorded by a struct symtab, and they - are all chained together. */ - -/* In addition, gdb can record any number of miscellaneous undebuggable - functions' addresses. In a system that appends _ to function names, - the _'s are removed from the names stored in this table. */ - -/* Actually, the misc function list is used to store *all* of the - global symbols (text, data, bss, and abs). It is sometimes used - to figure out what symtabs to read in. The "type" field appears - never to be used. */ - -enum misc_function_type {mf_unknown = 0, mf_text, mf_data, mf_bss, mf_abs}; - -struct misc_function -{ - char *name; - CORE_ADDR address; - unsigned char type; /* Really enum misc_function_type. */ -}; - -/* Address and length of the vector recording all misc function names/addresses. */ - -struct misc_function *misc_function_vector; -int misc_function_count; - -#include "symseg.h" - -/* Each source file is represented by a struct symtab. */ -/* These objects are chained through the `next' field. */ - -struct symtab - { - /* Chain of all existing symtabs. */ - struct symtab *next; - /* List of all symbol scope blocks for this symtab. */ - struct blockvector *blockvector; - /* Table mapping core addresses to line numbers for this file. */ - struct linetable *linetable; - /* Vector containing all types defined for this symtab. */ - struct typevector *typevector; - /* Name of this source file. */ - char *filename; - /* This component says how to free the data we point to: - free_contents => do a tree walk and free each object. - free_nothing => do nothing; some other symtab will free - the data this one uses. - free_linetable => free just the linetable. */ - enum free_code {free_nothing, free_contents, free_linetable} - free_code; - /* Pointer to one block of storage to be freed, if nonzero. */ - char *free_ptr; - /* Total number of lines found in source file. */ - int nlines; - /* Array mapping line number to character position. */ - int *line_charpos; - /* Language of this source file. */ - enum language language; - /* String of version information. May be zero. */ - char *version; - /* String of compilation information. May be zero. */ - char *compilation; - /* Offset within loader symbol table - of first local symbol for this file. */ - int ldsymoff; - /* Full name of file as found by searching the source path. - 0 if not yet known. */ - char *fullname; - }; - -/* - * 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. - */ -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; - /* Offset within loader symbol table of first local symbol for this - file and length (in bytes) of the section of the symbol table - devoted to this file's symbols (actually, the section bracketed - may contain more than just this files symbols - If ldsymlen is 0, the only reason for this things existence is - the dependency list below. Nothing else will happen when it is - read in. */ - int ldsymoff, ldsymlen; - /* Range of text addresses covered by this file; texthigh is the - beginning of the next section. */ - int textlow, texthigh; - /* Non-zero if the symtab corresponding to this psymtab has been - readin */ - unsigned char readin; - /* Array of pointers to all of the partial_symtab s which this one - depends one. Since this array can only be set to previous or - the current (?) psymtab, this dependency tree is guarranteed not - to have any loops. */ - 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 ps_globals */ - int globals_offset, 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). */ - int statics_offset, n_static_syms; -}; - -/* This is the list of struct symtab's that gdb considers current. */ - -struct symtab *symtab_list; - -/* This is the list of struct partial_symtab's that gdb may need to access */ - -struct partial_symtab *partial_symtab_list; - -/* This symtab variable specifies the current file for printing source lines */ - -struct symtab *current_source_symtab; - -/* This is the next line to print for listing source lines. */ - -int current_source_line; - -#define BLOCKLIST(symtab) (symtab)->blockvector -#define BLOCKVECTOR(symtab) (symtab)->blockvector - -#define TYPEVECTOR(symtab) (symtab)->typevector - -#define LINELIST(symtab) (symtab)->linetable -#define LINETABLE(symtab) (symtab)->linetable - -/* Macros normally used to access components of symbol table structures. */ - -#define BLOCKLIST_NBLOCKS(blocklist) (blocklist)->nblocks -#define BLOCKLIST_BLOCK(blocklist,n) (blocklist)->block[n] -#define BLOCKVECTOR_NBLOCKS(blocklist) (blocklist)->nblocks -#define BLOCKVECTOR_BLOCK(blocklist,n) (blocklist)->block[n] - -#define TYPEVECTOR_NTYPES(typelist) (typelist)->length -#define TYPEVECTOR_TYPE(typelist,n) (typelist)->type[n] - -#define BLOCK_START(bl) (bl)->startaddr -#define BLOCK_END(bl) (bl)->endaddr -#define BLOCK_NSYMS(bl) (bl)->nsyms -#define BLOCK_SYM(bl, n) (bl)->sym[n] -#define BLOCK_FUNCTION(bl) (bl)->function -#define BLOCK_SUPERBLOCK(bl) (bl)->superblock -#define BLOCK_GCC_COMPILED(bl) (bl)->gcc_compile_flag - -/* Nonzero if symbols of block BL should be sorted alphabetically. */ -#define BLOCK_SHOULD_SORT(bl) ((bl)->nsyms >= 40) - -#define SYMBOL_NAME(symbol) (symbol)->name -#define SYMBOL_NAMESPACE(symbol) (symbol)->namespace -#define SYMBOL_CLASS(symbol) (symbol)->class -#define SYMBOL_VALUE(symbol) (symbol)->value.value -#define SYMBOL_VALUE_BYTES(symbol) (symbol)->value.bytes -#define SYMBOL_BLOCK_VALUE(symbol) (symbol)->value.block -#define SYMBOL_TYPE(symbol) (symbol)->type - -/* Some macros for bitfields. */ -#define B_SET(a,x) (a[x>>5] |= (1 << (x&31))) -#define B_CLR(a,x) (a[x>>5] &= ~(1 << (x&31))) -#define B_TST(a,x) (a[x>>5] & (1 << (x&31))) - -#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_MAIN_VARIANT(thistype) (thistype)->main_variant -#define TYPE_NEXT_VARIANT(thistype) (thistype)->next_variant -#define TYPE_LENGTH(thistype) (thistype)->length -#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) (thistype)->fn_fields -#define TYPE_NFN_FIELDS(thistype) (thistype)->nfn_fields -#define TYPE_NFN_FIELDS_TOTAL(thistype) (thistype)->nfn_fields_total -#define TYPE_BASECLASSES(thistype) (thistype)->baseclasses -#define TYPE_ARG_TYPES(thistype) (thistype)->arg_types -#define TYPE_BASECLASS(thistype,index) (thistype)->baseclasses[index] -#define TYPE_N_BASECLASSES(thistype) (thistype)->n_baseclasses -#define TYPE_VIA_PUBLIC(thistype) ((thistype)->flags & TYPE_FLAG_VIA_PUBLIC) -#define TYPE_VIA_VIRTUAL(thistype) ((thistype)->flags & TYPE_FLAG_VIA_VIRTUAL) - -#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) (thistype)->private_field_bits -#define TYPE_FIELD_PROTECTED_BITS(thistype) (thistype)->protected_field_bits -#define SET_TYPE_FIELD_PRIVATE(thistype, n) B_SET ((thistype)->private_field_bits, (n)) -#define SET_TYPE_FIELD_PROTECTED(thistype, n) B_SET ((thistype)->protected_field_bits, (n)) -#define TYPE_FIELD_PRIVATE(thistype, n) B_TST((thistype)->private_field_bits, (n)) -#define TYPE_FIELD_PROTECTED(thistype, n) B_TST((thistype)->protected_field_bits, (n)) - -#define TYPE_HAS_DESTRUCTOR(thistype) ((thistype)->flags & TYPE_FLAG_HAS_DESTRUCTOR) -#define TYPE_HAS_CONSTRUCTOR(thistype) ((thistype)->flags & TYPE_FLAG_HAS_CONSTRUCTOR) - -#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) (thistype)->fn_fieldlists -#define TYPE_FN_FIELDLIST(thistype, n) (thistype)->fn_fieldlists[n] -#define TYPE_FN_FIELDLIST1(thistype, n) (thistype)->fn_fieldlists[n].fn_fields -#define TYPE_FN_FIELDLIST_NAME(thistype, n) (thistype)->fn_fieldlists[n].name -#define TYPE_FN_FIELDLIST_LENGTH(thistype, n) (thistype)->fn_fieldlists[n].length - -#define TYPE_FN_FIELD(thistype, n) (thistype)[n] -#define TYPE_FN_FIELD_NAME(thistype, n) (thistype)[n].name -#define TYPE_FN_FIELD_TYPE(thistype, n) (thistype)[n].type -#define TYPE_FN_FIELD_ARGS(thistype, n) (thistype)[n].args -#define TYPE_FN_FIELD_PHYSNAME(thistype, n) (thistype)[n].physname -#define TYPE_FN_FIELD_VIRTUAL_P(thistype, n) ((thistype)[n].voffset < 0) -#define TYPE_FN_FIELD_STATIC_P(thistype, n) ((thistype)[n].voffset > 0) -#define TYPE_FN_FIELD_VOFFSET(thistype, n) ((thistype)[n].voffset-1) - -#define TYPE_FN_PRIVATE_BITS(thistype) (thistype).private_fn_field_bits -#define TYPE_FN_PROTECTED_BITS(thistype) (thistype).protected_fn_field_bits -#define SET_TYPE_FN_PRIVATE(thistype, n) B_SET ((thistype).private_fn_field_bits, n) -#define SET_TYPE_FN_PROTECTED(thistype, n) B_SET ((thistype).protected_fn_field_bits, n) -#define TYPE_FN_PRIVATE(thistype, n) B_TST ((thistype).private_fn_field_bits, n) -#define TYPE_FN_PROTECTED(thistype, n) B_TST ((thistype).protected_fn_field_bits, n) - -/* Functions that work on the objects described above */ - -extern struct symtab *lookup_symtab (); -extern struct symbol *lookup_symbol (); -extern struct type *lookup_typename (); -extern struct type *lookup_unsigned_typename (); -extern struct type *lookup_struct (); -extern struct type *lookup_union (); -extern struct type *lookup_enum (); -extern struct type *lookup_struct_elt_type (); -extern struct type *lookup_pointer_type (); -extern struct type *lookup_function_type (); -extern struct type *lookup_basetype_type (); -extern struct type *create_array_type (); -extern struct symbol *block_function (); -extern struct symbol *find_pc_function (); -extern int find_pc_partial_function (); -extern struct partial_symtab *find_pc_psymtab (); -extern struct symtab *find_pc_symtab (); -extern struct partial_symbol *find_pc_psymbol (); -extern int find_pc_misc_function (); - -/* C++ stuff. */ -extern struct type *lookup_reference_type (); -extern struct type *lookup_member_type (); -extern struct type *lookup_class (); -/* end of C++ stuff. */ - -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; - -#ifdef LONG_LONG -extern struct type *builtin_type_long_long; -extern struct type *builtin_type_unsigned_long_long; - -#ifndef BUILTIN_TYPE_LONGEST -#define BUILTIN_TYPE_LONGEST builtin_type_long_long -#endif - -#ifndef BUILTIN_TYPE_UNSIGNED_LONGEST -#define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long_long -#endif - -#else /* LONG_LONG */ - -#ifndef BUILTIN_TYPE_LONGEST -#define BUILTIN_TYPE_LONGEST builtin_type_long -#endif - -#ifndef BUILTIN_TYPE_UNSIGNED_LONGEST -#define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long -#endif - -#endif - -struct symtab_and_line -{ - struct symtab *symtab; - int line; - CORE_ADDR pc; - CORE_ADDR end; -}; - -struct symtabs_and_lines -{ - struct symtab_and_line *sals; - int nelts; -}; - -/* Given a pc value, return line number it is in. - Second arg nonzero means if pc is on the boundary - use the previous statement's line number. */ - -struct symtab_and_line find_pc_line (); - -/* Given a string, return the line specified by it. - For commands like "list" and "breakpoint". */ - -struct symtabs_and_lines decode_line_spec (); -struct symtabs_and_lines decode_line_spec_1 (); -struct symtabs_and_lines decode_line_1 (); |