1169689Skan/* Generate SDB debugging info. 2169689Skan Copyright (C) 2003, 2004 Free Software Foundation, Inc. 3169689Skan 4169689SkanThis file is part of GCC. 5169689Skan 6169689SkanGCC is free software; you can redistribute it and/or modify it under 7169689Skanthe terms of the GNU General Public License as published by the Free 8169689SkanSoftware Foundation; either version 2, or (at your option) any later 9169689Skanversion. 10169689Skan 11169689SkanGCC is distributed in the hope that it will be useful, but WITHOUT ANY 12169689SkanWARRANTY; without even the implied warranty of MERCHANTABILITY or 13169689SkanFITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14169689Skanfor more details. 15169689Skan 16169689SkanYou should have received a copy of the GNU General Public License 17169689Skanalong with GCC; see the file COPYING. If not, write to the Free 18169689SkanSoftware Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 19169689Skan02110-1301, USA. */ 20169689Skan 21169689Skan/* Note that no configuration uses sdb as its preferred format. */ 22169689Skan 23169689Skan#define SDB_DEBUGGING_INFO 1 24169689Skan 25169689Skan/* Forward references to tags are allowed. */ 26169689Skan#define SDB_ALLOW_FORWARD_REFERENCES 27169689Skan 28169689Skan/* Unknown tags are also allowed. */ 29169689Skan#define SDB_ALLOW_UNKNOWN_REFERENCES 30169689Skan 31169689Skan/* Block start/end next label #. */ 32169689Skanextern int sdb_label_count; 33169689Skan 34169689Skan/* Starting line of current function. */ 35169689Skanextern int sdb_begin_function_line; 36169689Skan 37169689Skan/* For block start and end, we create labels, so that 38169689Skan later we can figure out where the correct offset is. 39169689Skan The normal .ent/.end serve well enough for functions, 40169689Skan so those are just commented out. */ 41169689Skan 42169689Skan#define PUT_SDB_BLOCK_START(LINE) \ 43169689Skando { \ 44169689Skan fprintf (asm_out_file, \ 45169689Skan "%sLb%d:\n\t.begin\t%sLb%d\t%d\n", \ 46169689Skan LOCAL_LABEL_PREFIX, \ 47169689Skan sdb_label_count, \ 48169689Skan LOCAL_LABEL_PREFIX, \ 49169689Skan sdb_label_count, \ 50169689Skan (LINE)); \ 51169689Skan sdb_label_count++; \ 52169689Skan} while (0) 53169689Skan 54169689Skan#define PUT_SDB_BLOCK_END(LINE) \ 55169689Skando { \ 56169689Skan fprintf (asm_out_file, \ 57169689Skan "%sLe%d:\n\t.bend\t%sLe%d\t%d\n", \ 58169689Skan LOCAL_LABEL_PREFIX, \ 59169689Skan sdb_label_count, \ 60169689Skan LOCAL_LABEL_PREFIX, \ 61169689Skan sdb_label_count, \ 62169689Skan (LINE)); \ 63169689Skan sdb_label_count++; \ 64169689Skan} while (0) 65169689Skan 66169689Skan#define PUT_SDB_FUNCTION_START(LINE) 67169689Skan 68169689Skan#define PUT_SDB_FUNCTION_END(LINE) \ 69169689Skando { \ 70169689Skan SDB_OUTPUT_SOURCE_LINE (asm_out_file, LINE + sdb_begin_function_line); \ 71169689Skan} while (0) 72169689Skan 73169689Skan#define PUT_SDB_EPILOGUE_END(NAME) 74169689Skan 75169689Skan/* We need to use .esize and .etype instead of .size and .type to 76169689Skan avoid conflicting with ELF directives. */ 77169689Skan#undef PUT_SDB_SIZE 78169689Skan#define PUT_SDB_SIZE(a) \ 79169689Skando { \ 80169689Skan fprintf (asm_out_file, "\t.esize\t" HOST_WIDE_INT_PRINT_DEC ";", \ 81169689Skan (HOST_WIDE_INT) (a)); \ 82169689Skan} while (0) 83169689Skan 84169689Skan#undef PUT_SDB_TYPE 85169689Skan#define PUT_SDB_TYPE(a) \ 86169689Skando { \ 87169689Skan fprintf (asm_out_file, "\t.etype\t0x%x;", (a)); \ 88169689Skan} while (0) 89