dbxelf.h revision 132718
1/* Definitions needed when using stabs embedded in ELF sections. 2 Copyright (C) 1999 Free Software Foundation, Inc. 3 4This file is part of GCC. 5 6GCC is free software; you can redistribute it and/or modify 7it under the terms of the GNU General Public License as published by 8the Free Software Foundation; either version 2, or (at your option) 9any later version. 10 11GCC is distributed in the hope that it will be useful, 12but WITHOUT ANY WARRANTY; without even the implied warranty of 13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14GNU General Public License for 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 18the Free Software Foundation, 59 Temple Place - Suite 330, 19Boston, MA 02111-1307, USA. */ 20 21/* This file may be included by any ELF target which wishes to 22 support -gstabs generating stabs in sections, as produced by gas 23 and understood by gdb. */ 24 25#ifndef GCC_DBX_ELF_H 26#define GCC_DBX_ELF_H 27 28/* Output DBX (stabs) debugging information if doing -gstabs. */ 29 30#define DBX_DEBUGGING_INFO 1 31 32/* Make LBRAC and RBRAC addresses relative to the start of the 33 function. The native Solaris stabs debugging format works this 34 way, gdb expects it, and it reduces the number of relocation 35 entries... */ 36 37#undef DBX_BLOCKS_FUNCTION_RELATIVE 38#define DBX_BLOCKS_FUNCTION_RELATIVE 1 39 40/* ... but, to make this work, functions must appear prior to line info. */ 41 42#undef DBX_FUNCTION_FIRST 43#define DBX_FUNCTION_FIRST 44 45/* When generating stabs debugging, use N_BINCL entries. */ 46 47#undef DBX_USE_BINCL 48#define DBX_USE_BINCL 49 50/* There is no limit to the length of stabs strings. */ 51 52#ifndef DBX_CONTIN_LENGTH 53#define DBX_CONTIN_LENGTH 0 54#endif 55 56/* Like block addresses, stabs line numbers are relative to the 57 current function. */ 58 59#undef ASM_OUTPUT_SOURCE_LINE 60#define ASM_OUTPUT_SOURCE_LINE(FILE, LINE, COUNTER) \ 61do \ 62 { \ 63 char temp[256]; \ 64 ASM_GENERATE_INTERNAL_LABEL (temp, "LM", COUNTER); \ 65 fprintf (FILE, "\t.stabn 68,0,%d,", LINE); \ 66 assemble_name (FILE, temp); \ 67 putc ('-', FILE); \ 68 assemble_name (FILE, \ 69 XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0));\ 70 putc ('\n', FILE); \ 71 (*targetm.asm_out.internal_label) (FILE, "LM", COUNTER); \ 72 } \ 73while (0) 74 75/* Generate a blank trailing N_SO to mark the end of the .o file, since 76 we can't depend upon the linker to mark .o file boundaries with 77 embedded stabs. */ 78 79#undef DBX_OUTPUT_MAIN_SOURCE_FILE_END 80#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \ 81 asm_fprintf (FILE, \ 82 "\t.text\n\t.stabs \"\",%d,0,0,%LLetext\n%LLetext:\n", N_SO) 83 84#endif /* ! GCC_DBX_ELF_H */ 85