gcc/config/mips/sdb.h

   1 /* Generate SDB debugging info.
   2    Copyright (C) 2003, 2004, 2007 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 3, 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 COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 /* Note that no configuration uses sdb as its preferred format.  */
  21
  22 #define SDB_DEBUGGING_INFO 1
  23
  24 /* Forward references to tags are allowed.  */
  25 #define SDB_ALLOW_FORWARD_REFERENCES
  26
  27 /* Unknown tags are also allowed.  */
  28 #define SDB_ALLOW_UNKNOWN_REFERENCES
  29
  30 /* Block start/end next label #.  */
  31 extern int sdb_label_count;
  32
  33 /* Starting line of current function.  */
  34 extern int sdb_begin_function_line;
  35
  36 /* For block start and end, we create labels, so that
  37    later we can figure out where the correct offset is.
  38    The normal .ent/.end serve well enough for functions,
  39    so those are just commented out.  */
  40
  41 #define PUT_SDB_BLOCK_START(LINE)                       \
  42 do {                                                    \
  43   fprintf (asm_out_file,                                \
  44            "%sLb%d:\n\t.begin\t%sLb%d\t%d\n",           \
  45            LOCAL_LABEL_PREFIX,                          \
  46            sdb_label_count,                             \
  47            LOCAL_LABEL_PREFIX,                          \
  48            sdb_label_count,                             \
  49            (LINE));                                     \
  50   sdb_label_count++;                                    \
  51 } while (0)
  52
  53 #define PUT_SDB_BLOCK_END(LINE)                         \
  54 do {                                                    \
  55   fprintf (asm_out_file,                                \
  56            "%sLe%d:\n\t.bend\t%sLe%d\t%d\n",            \
  57            LOCAL_LABEL_PREFIX,                          \
  58            sdb_label_count,                             \
  59            LOCAL_LABEL_PREFIX,                          \
  60            sdb_label_count,                             \
  61            (LINE));                                     \
  62   sdb_label_count++;                                    \
  63 } while (0)
  64
  65 #define PUT_SDB_FUNCTION_START(LINE)
  66
  67 #define PUT_SDB_FUNCTION_END(LINE)                      \
  68 do {                                                    \
  69   SDB_OUTPUT_SOURCE_LINE (asm_out_file, LINE + sdb_begin_function_line); \
  70 } while (0)
  71
  72 #define PUT_SDB_EPILOGUE_END(NAME)
  73
  74 /* We need to use .esize and .etype instead of .size and .type to
  75    avoid conflicting with ELF directives.  */
  76 #undef PUT_SDB_SIZE
  77 #define PUT_SDB_SIZE(a)                                 \
  78 do {                                                    \
  79   fprintf (asm_out_file, "\t.esize\t" HOST_WIDE_INT_PRINT_DEC ";", \
  80            (HOST_WIDE_INT) (a));                        \
  81 } while (0)
  82
  83 #undef PUT_SDB_TYPE
  84 #define PUT_SDB_TYPE(a)                                 \
  85 do {                                                    \
  86   fprintf (asm_out_file, "\t.etype\t0x%x;", (a));       \
  87 } while (0)