| /* 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, "\t.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 */ |