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) 89