/* Definitions needed when using stabs embedded in ELF sections. Copyright (C) 1999 Free Software Foundation, Inc. This file is part of GNU CC. GNU CC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* This file may be included by any ELF target which wishes to support -gstabs generating stabs in sections, as produced by gas and understood by gdb. */ #ifndef __DBX_ELF_H #define __DBX_ELF_H /* Output DBX (stabs) debugging information if doing -gstabs. */ #undef DBX_DEBUGGING_INFO #define DBX_DEBUGGING_INFO /* Make LBRAC and RBRAC addresses relative to the start of the function. The native Solaris stabs debugging format works this way, gdb expects it, and it reduces the number of relocation entries... */ #undef DBX_BLOCKS_FUNCTION_RELATIVE #define DBX_BLOCKS_FUNCTION_RELATIVE 1 /* ... but, to make this work, functions must appear prior to line info. */ #undef DBX_FUNCTION_FIRST #define DBX_FUNCTION_FIRST /* When generating stabs debugging, use N_BINCL entries. */ #undef DBX_USE_BINCL #define DBX_USE_BINCL /* There is no limit to the length of stabs strings. */ #ifndef DBX_CONTIN_LENGTH #define DBX_CONTIN_LENGTH 0 #endif /* When using stabs, gcc2_compiled must be a stabs entry, not an ordinary symbol, or gdb won't see it. Furthermore, since gdb reads the input piecemeal, starting with each N_SO, it's a lot easier if the gcc2 flag symbol is *after* the N_SO rather than before it. So we emit an N_OPT stab there. */ #define ASM_IDENTIFY_GCC(FILE) \ do \ { \ if (write_symbols != DBX_DEBUG) \ fputs ("gcc2_compiled.:\n", FILE); \ } \ while (0) #define ASM_IDENTIFY_GCC_AFTER_SOURCE(FILE) \ do \ { \ if (write_symbols == DBX_DEBUG) \ fputs ("\t.stabs\t\"gcc2_compiled.\", 0x3c, 0, 0, 0\n", FILE); \ } \ while (0) /* Like block addresses, stabs line numbers are relative to the current function. */ #undef ASM_OUTPUT_SOURCE_LINE #define ASM_OUTPUT_SOURCE_LINE(FILE, LINE) \ do \ { \ static int sym_lineno = 1; \ char temp[256]; \ ASM_GENERATE_INTERNAL_LABEL (temp, "LM", sym_lineno); \ fprintf (FILE, ".stabn 68,0,%d,", LINE); \ assemble_name (FILE, temp); \ putc ('-', FILE); \ assemble_name (FILE, \ XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0));\ putc ('\n', FILE); \ ASM_OUTPUT_INTERNAL_LABEL (FILE, "LM", sym_lineno); \ sym_lineno += 1; \ } \ while (0) /* Generate a blank trailing N_SO to mark the end of the .o file, since we can't depend upon the linker to mark .o file boundaries with embedded stabs. */ #undef DBX_OUTPUT_MAIN_SOURCE_FILE_END #define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \ asm_fprintf (FILE, \ "\t.text\n\t.stabs \"\",%d,0,0,%LLetext\n%LLetext:\n", N_SO) #endif /* __DBX_ELF_H */