1/* Generate SDB debugging info. 2 Copyright (C) 2003, 2004 Free Software Foundation, Inc. 3 4This file is part of GCC. 5 6GCC is free software; you can redistribute it and/or modify it under 7the terms of the GNU General Public License as published by the Free 8Software Foundation; either version 2, or (at your option) any later 9version. 10 11GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12WARRANTY; without even the implied warranty of MERCHANTABILITY or 13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14for more details. 15 16You should have received a copy of the GNU General Public License 17along with GCC; see the file COPYING. If not, write to the Free 18Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 1902110-1301, 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 #. */ 32extern int sdb_label_count; 33 34/* Starting line of current function. */ 35extern 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) \ 43do { \ 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) \ 55do { \ 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) \ 69do { \ 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) \ 79do { \ 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) \ 86do { \ 87 fprintf (asm_out_file, "\t.etype\t0x%x;", (a)); \ 88} while (0) 89