gdb/stabsread.h - gdb

Global variables defined

Data types defined

Macros defined

Source code

  1. /* Include file for stabs debugging format support functions.
  2.    Copyright (C) 1986-2015 Free Software Foundation, Inc.

  4.    This file is part of GDB.

  6.    This program is free software; you can redistribute it and/or modify
  7.    it under the terms of the GNU General Public License as published by
  8.    the Free Software Foundation; either version 3 of the License, or
  9.    (at your option) any later version.

  11.    This program is distributed in the hope that it will be useful,
  12.    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14.    GNU General Public License for more details.

  16.    You should have received a copy of the GNU General Public License
  17.    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

  19. struct objfile;

  21. /* Definitions, prototypes, etc for stabs debugging format support
  22.    functions.

  24.    Variables declared in this file can be defined by #define-ing
  25.    the name EXTERN to null.  It is used to declare variables that
  26.    are normally extern, but which get defined in a single module
  27.    using this technique.  */

  29. #ifndef EXTERN
  30. ‌#define        EXTERN extern
  31. #endif

  33. /* Hash table of global symbols whose values are not known yet.
  34.    They are chained thru the SYMBOL_VALUE_CHAIN, since we don't
  35.    have the correct data for that slot yet.

  37.    The use of the LOC_BLOCK code in this chain is nonstandard--
  38.    it refers to a FORTRAN common block rather than the usual meaning, and
  39.    the such LOC_BLOCK symbols use their fields in nonstandard ways.  */

  41. ‌EXTERN struct symbol *global_sym_chain[HASHSIZE];

  43. extern void common_block_start (char *, struct objfile *);
  44. extern void common_block_end (struct objfile *);

  46. /* Kludge for xcoffread.c */

  48. ‌struct pending_stabs
  49.   {
  50.     int count;
  51.     int length;
  52.     char *stab[1];
  53.   };

  55. ‌EXTERN struct pending_stabs *global_stabs;

  57. /* The type code that process_one_symbol saw on its previous invocation.
  58.    Used to detect pairs of N_SO symbols.  */

  60. ‌EXTERN int previous_stab_code;

  62. /* Support for Sun changes to dbx symbol format.  */

  64. /* For each identified header file, we have a table of types defined
  65.    in that header file.

  67.    header_files maps header file names to their type tables.
  68.    It is a vector of n_header_files elements.
  69.    Each element describes one header file.
  70.    It contains a vector of types.

  72.    Sometimes it can happen that the same header file produces
  73.    different results when included in different places.
  74.    This can result from conditionals or from different
  75.    things done before including the file.
  76.    When this happens, there are multiple entries for the file in this table,
  77.    one entry for each distinct set of results.
  78.    The entries are distinguished by the INSTANCE field.
  79.    The INSTANCE field appears in the N_BINCL and N_EXCL symbol table and is
  80.    used to match header-file references to their corresponding data.  */

  82. ‌struct header_file
  83.   {

  85.     /* Name of header file */

  87.     char *name;

  89.     /* Numeric code distinguishing instances of one header file that
  90.        produced different results when included.  It comes from the
  91.        N_BINCL or N_EXCL.  */

  93.     int instance;

  95.     /* Pointer to vector of types */

  97.     struct type **vector;

  99.     /* Allocated length (# elts) of that vector */

  101.     int length;

  103.   };

  105. /* The table of header_files of this OBJFILE.  */
  106. ‌#define HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->header_files)

  108. /* The actual length of HEADER_FILES.  */
  109. ‌#define N_HEADER_FILES(OBJFILE) (DBX_SYMFILE_INFO (OBJFILE)->n_header_files)

  111. /* The allocated lengh of HEADER_FILES.  */
  112. ‌#define N_ALLOCATED_HEADER_FILES(OBJFILE) \
  113.   (DBX_SYMFILE_INFO (OBJFILE)->n_allocated_header_files)

  115. /* Within each object file, various header files are assigned numbers.
  116.    A type is defined or referred to with a pair of numbers
  117.    (FILENUM,TYPENUM) where FILENUM is the number of the header file
  118.    and TYPENUM is the number within that header file.
  119.    TYPENUM is the index within the vector of types for that header file.

  121.    FILENUM == 0 is special; it refers to the main source of the object file,
  122.    and not to any header file.  FILENUM != 1 is interpreted by looking it up
  123.    in the following table, which contains indices in header_files.  */

  125. ‌EXTERN int *this_object_header_files;

  127. ‌EXTERN int n_this_object_header_files;

  129. ‌EXTERN int n_allocated_this_object_header_files;

  131. extern void cleanup_undefined_stabs_types (struct objfile *);

  133. extern long read_number (char **, int);

  135. extern struct symbol *define_symbol (CORE_ADDR, char *, int, int,
  136.                                      struct objfile *);

  138. extern void stabsread_init (void);

  140. extern void stabsread_new_init (void);

  142. extern void start_stabs (void);

  144. extern void end_stabs (void);

  146. extern void finish_global_stabs (struct objfile *objfile);

  148. /* COFF files can have multiple .stab sections, if they are linked
  149.    using --split-by-reloc.  This linked list is used to pass the
  150.    information into the functions in dbxread.c.  */
  151. ‌struct stab_section_list
  152.   {
  153.     /* Next in list.  */
  154.     struct stab_section_list *next;

  156.     /* Stab section.  */
  157.     asection *section;
  158.   };

  160. /* Functions exported by dbxread.c.  These are not in stabsread.c because
  161.    they are only used by some stabs readers.  */

  163. extern struct partial_symtab *end_psymtab (struct objfile *objfile,
  164.                                            struct partial_symtab *pst,
  165.                                            const char **include_list,
  166.                                            int num_includes,
  167.                                            int capping_symbol_offset,
  168.                                            CORE_ADDR capping_text,
  169.                                            struct partial_symtab
  170.                                            **dependency_list,
  171.                                            int number_dependencies,
  172.                                            int textlow_not_set);

  174. extern void process_one_symbol (int, int, CORE_ADDR, char *,
  175.                                 const struct section_offsets *,
  176.                                 struct objfile *);

  178. extern void elfstab_build_psymtabs (struct objfile *objfile,
  179.                                     asection *stabsect,
  180.                                     file_ptr stabstroffset,
  181.                                     unsigned int stabstrsize);

  183. extern void coffstab_build_psymtabs
  184.   (struct objfile *objfile,
  185.    CORE_ADDR textaddr, unsigned int textsize,
  186.    struct stab_section_list *stabs,
  187.    file_ptr stabstroffset, unsigned int stabstrsize);

  189. extern void stabsect_build_psymtabs (struct objfile *objfile, char *stab_name,
  190.                                      char *stabstr_name, char *text_name);

  192. extern void elfstab_offset_sections (struct objfile *,
  193.                                      struct partial_symtab *);
  194. extern int symbol_reference_defined (char **);

  196. extern void ref_add (int, struct symbol *, char *, CORE_ADDR);

  198. extern struct symbol *ref_search (int);

  200. extern void free_header_files (void);

  202. extern void init_header_files (void);

  204. ‌#undef EXTERN