gcc/config/mips/sdb.h

   1 /* Generate SDB debugging info.
   2    Copyright (C) 2003, 2004 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, 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301, 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 /* For block start and end, we create labels, so that
  38    later we can figure out where the correct offset is.
  39    The normal .ent/.end serve well enough for functions,
  40    so those are just commented out.  */
  41
  42 #define PUT_SDB_BLOCK_START(LINE)                       \
  43 do {                                                    \
  44   fprintf (asm_out_file,                                \
  45            "%sLb%d:\n\t.begin\t%sLb%d\t%d\n",           \
  46            LOCAL_LABEL_PREFIX,                          \
  47            sdb_label_count,                             \
  48            LOCAL_LABEL_PREFIX,                          \
  49            sdb_label_count,                             \
  50            (LINE));                                     \
  51   sdb_label_count++;                                    \
  52 } while (0)
  53
  54 #define PUT_SDB_BLOCK_END(LINE)                         \
  55 do {                                                    \
  56   fprintf (asm_out_file,                                \
  57            "%sLe%d:\n\t.bend\t%sLe%d\t%d\n",            \
  58            LOCAL_LABEL_PREFIX,                          \
  59            sdb_label_count,                             \
  60            LOCAL_LABEL_PREFIX,                          \
  61            sdb_label_count,                             \
  62            (LINE));                                     \
  63   sdb_label_count++;                                    \
  64 } while (0)
  65
  66 #define PUT_SDB_FUNCTION_START(LINE)
  67
  68 #define PUT_SDB_FUNCTION_END(LINE)                      \
  69 do {                                                    \
  70   SDB_OUTPUT_SOURCE_LINE (asm_out_file, LINE + sdb_begin_function_line); \
  71 } while (0)
  72
  73 #define PUT_SDB_EPILOGUE_END(NAME)
  74
  75 /* We need to use .esize and .etype instead of .size and .type to
  76    avoid conflicting with ELF directives.  */
  77 #undef PUT_SDB_SIZE
  78 #define PUT_SDB_SIZE(a)                                 \
  79 do {                                                    \
  80   fprintf (asm_out_file, "\t.esize\t" HOST_WIDE_INT_PRINT_DEC ";", \
  81            (HOST_WIDE_INT) (a));                        \
  82 } while (0)
  83
  84 #undef PUT_SDB_TYPE
  85 #define PUT_SDB_TYPE(a)                                 \
  86 do {                                                    \
  87   fprintf (asm_out_file, "\t.etype\t0x%x;", (a));       \
  88 } while (0)