gcc/config/mips/sdb.h

   1 /* Generate SDB debugging info.
   2    Copyright (C) 2003 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 2, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING.  If not, write to the Free
  18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  19 02111-1307, USA.  */
  20
  21 /* Note that no configuration uses sdb as its preferred format.  */
  22
  23 #define SDB_DEBUGGING_INFO 1
  24
  25 /* Forward references to tags are allowed.  */
  26 #define SDB_ALLOW_FORWARD_REFERENCES
  27
  28 /* Unknown tags are also allowed.  */
  29 #define SDB_ALLOW_UNKNOWN_REFERENCES
  30
  31 /* Block start/end next label #.  */
  32 extern int sdb_label_count;
  33
  34 /* Starting line of current function.  */
  35 extern int sdb_begin_function_line;
  36
  37 #define PUT_SDB_DEF(a)                                  \
  38 do {                                                    \
  39   fprintf (asm_out_file, "\t%s.def\t",                  \
  40            (TARGET_GAS) ? "" : "#");                    \
  41   ASM_OUTPUT_LABELREF (asm_out_file, a);                \
  42   fputc (';', asm_out_file);                            \
  43 } while (0)
  44
  45 #define PUT_SDB_PLAIN_DEF(a)                            \
  46 do {                                                    \
  47   fprintf (asm_out_file, "\t%s.def\t.%s;",              \
  48            (TARGET_GAS) ? "" : "#", (a));               \
  49 } while (0)
  50
  51 /* For block start and end, we create labels, so that
  52    later we can figure out where the correct offset is.
  53    The normal .ent/.end serve well enough for functions,
  54    so those are just commented out.  */
  55
  56 #define PUT_SDB_BLOCK_START(LINE)                       \
  57 do {                                                    \
  58   fprintf (asm_out_file,                                \
  59            "%sLb%d:\n\t%s.begin\t%sLb%d\t%d\n",         \
  60            LOCAL_LABEL_PREFIX,                          \
  61            sdb_label_count,                             \
  62            (TARGET_GAS) ? "" : "#",                     \
  63            LOCAL_LABEL_PREFIX,                          \
  64            sdb_label_count,                             \
  65            (LINE));                                     \
  66   sdb_label_count++;                                    \
  67 } while (0)
  68
  69 #define PUT_SDB_BLOCK_END(LINE)                         \
  70 do {                                                    \
  71   fprintf (asm_out_file,                                \
  72            "%sLe%d:\n\t%s.bend\t%sLe%d\t%d\n",          \
  73            LOCAL_LABEL_PREFIX,                          \
  74            sdb_label_count,                             \
  75            (TARGET_GAS) ? "" : "#",                     \
  76            LOCAL_LABEL_PREFIX,                          \
  77            sdb_label_count,                             \
  78            (LINE));                                     \
  79   sdb_label_count++;                                    \
  80 } while (0)
  81
  82 #define PUT_SDB_FUNCTION_START(LINE)
  83
  84 #define PUT_SDB_FUNCTION_END(LINE)                      \
  85 do {                                                    \
  86   ASM_OUTPUT_SOURCE_LINE (asm_out_file, LINE + sdb_begin_function_line, 0); \
  87 } while (0)
  88
  89 #define PUT_SDB_EPILOGUE_END(NAME)