gdb/minsyms.h

   1 /* Minimal symbol table definitions for GDB.
   2
   3    Copyright (C) 2011 Free Software Foundation, Inc.
   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 #ifndef MINSYMS_H
  21 #define MINSYMS_H
  22
  23 /* Functions for dealing with the minimal symbol table, really a misc
  24    address<->symbol mapping for things we don't have debug symbols for.  */
  25
  26 void prim_record_minimal_symbol (const char *, CORE_ADDR,
  27                                  enum minimal_symbol_type,
  28                                  struct objfile *);
  29
  30 struct minimal_symbol *prim_record_minimal_symbol_full
  31     (const char *,
  32      int, int, CORE_ADDR,
  33      enum minimal_symbol_type,
  34      int section,
  35      asection *bfd_section,
  36      struct objfile *);
  37
  38 struct minimal_symbol *prim_record_minimal_symbol_and_info
  39     (const char *,
  40      CORE_ADDR,
  41      enum minimal_symbol_type,
  42      int section,
  43      asection *bfd_section,
  44      struct objfile *);
  45
  46 unsigned int msymbol_hash_iw (const char *);
  47
  48 unsigned int msymbol_hash (const char *);
  49
  50 /* Compute the next hash value from previous HASH and the character C.  This
  51    is only a GDB in-memory computed value with no external files compatibility
  52    requirements.  */
  53
  54 #define SYMBOL_HASH_NEXT(hash, c)                       \
  55   ((hash) * 67 + tolower ((unsigned char) (c)) - 113)
  56
  57 struct objfile *msymbol_objfile (struct minimal_symbol *sym);
  58
  59 struct minimal_symbol *lookup_minimal_symbol (const char *,
  60                                               const char *,
  61                                               struct objfile *);
  62
  63 struct minimal_symbol *lookup_minimal_symbol_text (const char *,
  64                                                    struct objfile *);
  65
  66 struct minimal_symbol *lookup_minimal_symbol_solib_trampoline
  67     (const char *,
  68      struct objfile *);
  69
  70 struct minimal_symbol *lookup_minimal_symbol_by_pc_name
  71 (CORE_ADDR, const char *, struct objfile *);
  72
  73 struct minimal_symbol *lookup_minimal_symbol_by_pc (CORE_ADDR);
  74
  75 struct minimal_symbol *lookup_minimal_symbol_and_objfile (const char *,
  76                                                           struct objfile **);
  77
  78 struct minimal_symbol *lookup_minimal_symbol_by_pc_section
  79     (CORE_ADDR,
  80      struct obj_section *);
  81
  82 struct minimal_symbol *lookup_solib_trampoline_symbol_by_pc (CORE_ADDR);
  83
  84 void init_minimal_symbol_collection (void);
  85
  86 struct cleanup *make_cleanup_discard_minimal_symbols (void);
  87
  88 void install_minimal_symbols (struct objfile *);
  89
  90 /* Sort all the minimal symbols in OBJFILE.  */
  91
  92 void msymbols_sort (struct objfile *objfile);
  93
  94 /* Create the terminating entry of OBJFILE's minimal symbol table.
  95    If OBJFILE->msymbols is zero, allocate a single entry from
  96    OBJFILE->objfile_obstack; otherwise, just initialize
  97    OBJFILE->msymbols[OBJFILE->minimal_symbol_count].  */
  98
  99 void terminate_minimal_symbol_table (struct objfile *objfile);
 100
 101 void iterate_over_minimal_symbols (struct objfile *objf,
 102                                    const char *name,
 103                                    void (*callback) (struct minimal_symbol *,
 104                                                      void *),
 105                                    void *user_data);
 106
 107 #endif /* MINSYMS_H */