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/tmp/gdb-7.10/gdb/gdb-stabs.h
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1 /* Definitions for symbol-reading containing "stabs", for GDB.
2  Copyright (C) 1992-2015 Free Software Foundation, Inc.
3  Contributed by Cygnus Support. Written by John Gilmore.
4 
5  This file is part of GDB.
6 
7  This program is free software; you can redistribute it and/or modify
8  it under the terms of the GNU General Public License as published by
9  the Free Software Foundation; either version 3 of the License, or
10  (at your option) any later version.
11 
12  This program is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  GNU General Public License for more details.
16 
17  You should have received a copy of the GNU General Public License
18  along with this program. If not, see <http://www.gnu.org/licenses/>. */
19 
20 /* This file exists to hold the common definitions required of most of
21  the symbol-readers that end up using stabs. The common use of
22  these `symbol-type-specific' customizations of the generic data
23  structures makes the stabs-oriented symbol readers able to call
24  each others' functions as required. */
25 
26 #if !defined (GDBSTABS_H)
27 #define GDBSTABS_H
28 
29 /* The tag used to find the DBX info attached to an objfile. This is
30  global because it is referenced by several modules. */
31 extern const struct objfile_data *dbx_objfile_data_key;
32 
33 /* Information is passed among various dbxread routines for accessing
34  symbol files. A pointer to this structure is kept in the objfile,
35  using the dbx_objfile_data_key. */
36 
38  {
39  CORE_ADDR text_addr; /* Start of text section */
40  int text_size; /* Size of text section */
41  int symcount; /* How many symbols are there in the file */
42  char *stringtab; /* The actual string table */
43  int stringtab_size; /* Its size */
44  file_ptr symtab_offset; /* Offset in file to symbol table */
45  int symbol_size; /* Bytes in a single symbol */
46 
47  /* See stabsread.h for the use of the following. */
51 
52  /* Pointers to BFD sections. These are used to speed up the building of
53  minimal symbols. */
54  asection *text_section;
55  asection *data_section;
56  asection *bss_section;
57 
58  /* Pointer to the separate ".stab" section, if there is one. */
59  asection *stab_section;
60  };
61 
62 #define DBX_SYMFILE_INFO(o) \
63  ((struct dbx_symfile_info *) objfile_data ((o), dbx_objfile_data_key))
64 #define DBX_TEXT_ADDR(o) (DBX_SYMFILE_INFO(o)->text_addr)
65 #define DBX_TEXT_SIZE(o) (DBX_SYMFILE_INFO(o)->text_size)
66 #define DBX_SYMCOUNT(o) (DBX_SYMFILE_INFO(o)->symcount)
67 #define DBX_STRINGTAB(o) (DBX_SYMFILE_INFO(o)->stringtab)
68 #define DBX_STRINGTAB_SIZE(o) (DBX_SYMFILE_INFO(o)->stringtab_size)
69 #define DBX_SYMTAB_OFFSET(o) (DBX_SYMFILE_INFO(o)->symtab_offset)
70 #define DBX_SYMBOL_SIZE(o) (DBX_SYMFILE_INFO(o)->symbol_size)
71 #define DBX_TEXT_SECTION(o) (DBX_SYMFILE_INFO(o)->text_section)
72 #define DBX_DATA_SECTION(o) (DBX_SYMFILE_INFO(o)->data_section)
73 #define DBX_BSS_SECTION(o) (DBX_SYMFILE_INFO(o)->bss_section)
74 #define DBX_STAB_SECTION(o) (DBX_SYMFILE_INFO(o)->stab_section)
75 
76 #endif /* GDBSTABS_H */
bfd_vma CORE_ADDR
Definition: common-types.h:41
CORE_ADDR text_addr
Definition: gdb-stabs.h:39
asection * bss_section
Definition: gdb-stabs.h:56
int n_allocated_header_files
Definition: gdb-stabs.h:50
asection * stab_section
Definition: gdb-stabs.h:59
const struct objfile_data * dbx_objfile_data_key
Definition: dbxread.c:65
asection * data_section
Definition: gdb-stabs.h:55
asection * text_section
Definition: gdb-stabs.h:54
char * stringtab
Definition: gdb-stabs.h:42
struct header_file * header_files
Definition: gdb-stabs.h:48
file_ptr symtab_offset
Definition: gdb-stabs.h:44