dbxelf.h revision 132718
152284Sobrien/* Definitions needed when using stabs embedded in ELF sections. 252284Sobrien Copyright (C) 1999 Free Software Foundation, Inc. 352284Sobrien 4132718SkanThis file is part of GCC. 552284Sobrien 6132718SkanGCC is free software; you can redistribute it and/or modify 752284Sobrienit under the terms of the GNU General Public License as published by 852284Sobrienthe Free Software Foundation; either version 2, or (at your option) 952284Sobrienany later version. 1052284Sobrien 11132718SkanGCC is distributed in the hope that it will be useful, 1252284Sobrienbut WITHOUT ANY WARRANTY; without even the implied warranty of 1352284SobrienMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1452284SobrienGNU General Public License for more details. 1552284Sobrien 1652284SobrienYou should have received a copy of the GNU General Public License 17132718Skanalong with GCC; see the file COPYING. If not, write to 1852284Sobrienthe Free Software Foundation, 59 Temple Place - Suite 330, 1952284SobrienBoston, MA 02111-1307, USA. */ 2052284Sobrien 2152284Sobrien/* This file may be included by any ELF target which wishes to 2252284Sobrien support -gstabs generating stabs in sections, as produced by gas 2352284Sobrien and understood by gdb. */ 2452284Sobrien 2590075Sobrien#ifndef GCC_DBX_ELF_H 2690075Sobrien#define GCC_DBX_ELF_H 2752284Sobrien 2852284Sobrien/* Output DBX (stabs) debugging information if doing -gstabs. */ 2952284Sobrien 30117395Skan#define DBX_DEBUGGING_INFO 1 3152284Sobrien 3252284Sobrien/* Make LBRAC and RBRAC addresses relative to the start of the 3352284Sobrien function. The native Solaris stabs debugging format works this 3452284Sobrien way, gdb expects it, and it reduces the number of relocation 3552284Sobrien entries... */ 3652284Sobrien 3752284Sobrien#undef DBX_BLOCKS_FUNCTION_RELATIVE 3852284Sobrien#define DBX_BLOCKS_FUNCTION_RELATIVE 1 3952284Sobrien 4052284Sobrien/* ... but, to make this work, functions must appear prior to line info. */ 4152284Sobrien 4252284Sobrien#undef DBX_FUNCTION_FIRST 4352284Sobrien#define DBX_FUNCTION_FIRST 4452284Sobrien 4552284Sobrien/* When generating stabs debugging, use N_BINCL entries. */ 4652284Sobrien 4752284Sobrien#undef DBX_USE_BINCL 4852284Sobrien#define DBX_USE_BINCL 4952284Sobrien 5052284Sobrien/* There is no limit to the length of stabs strings. */ 5152284Sobrien 5252284Sobrien#ifndef DBX_CONTIN_LENGTH 5352284Sobrien#define DBX_CONTIN_LENGTH 0 5452284Sobrien#endif 5552284Sobrien 5652284Sobrien/* Like block addresses, stabs line numbers are relative to the 5752284Sobrien current function. */ 5852284Sobrien 5952284Sobrien#undef ASM_OUTPUT_SOURCE_LINE 60132718Skan#define ASM_OUTPUT_SOURCE_LINE(FILE, LINE, COUNTER) \ 6152284Sobriendo \ 6252284Sobrien { \ 6352284Sobrien char temp[256]; \ 64132718Skan ASM_GENERATE_INTERNAL_LABEL (temp, "LM", COUNTER); \ 6590075Sobrien fprintf (FILE, "\t.stabn 68,0,%d,", LINE); \ 6652284Sobrien assemble_name (FILE, temp); \ 6752284Sobrien putc ('-', FILE); \ 6852284Sobrien assemble_name (FILE, \ 6952284Sobrien XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0));\ 7052284Sobrien putc ('\n', FILE); \ 71132718Skan (*targetm.asm_out.internal_label) (FILE, "LM", COUNTER); \ 7252284Sobrien } \ 7352284Sobrienwhile (0) 7452284Sobrien 7552284Sobrien/* Generate a blank trailing N_SO to mark the end of the .o file, since 7652284Sobrien we can't depend upon the linker to mark .o file boundaries with 7752284Sobrien embedded stabs. */ 7852284Sobrien 7952284Sobrien#undef DBX_OUTPUT_MAIN_SOURCE_FILE_END 8052284Sobrien#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \ 8152284Sobrien asm_fprintf (FILE, \ 8252284Sobrien "\t.text\n\t.stabs \"\",%d,0,0,%LLetext\n%LLetext:\n", N_SO) 8352284Sobrien 8490075Sobrien#endif /* ! GCC_DBX_ELF_H */ 85