| 1 | /* Definitions needed when using stabs embedded in ELF sections.
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| 2 | Copyright (C) 1999 Free Software Foundation, Inc.
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| 3 |
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| 4 | This file is part of GNU CC.
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| 5 |
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| 6 | GNU CC is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 2, or (at your option)
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| 9 | any later version.
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| 10 |
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| 11 | GNU CC is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with GNU CC; see the file COPYING. If not, write to
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| 18 | the Free Software Foundation, 59 Temple Place - Suite 330,
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| 19 | Boston, MA 02111-1307, USA. */
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| 20 |
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| 21 | /* This file may be included by any ELF target which wishes to
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| 22 | support -gstabs generating stabs in sections, as produced by gas
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| 23 | and understood by gdb. */
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| 24 |
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| 25 | #ifndef GCC_DBX_ELF_H
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| 26 | #define GCC_DBX_ELF_H
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| 27 |
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| 28 | /* Output DBX (stabs) debugging information if doing -gstabs. */
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| 29 |
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| 30 | #define DBX_DEBUGGING_INFO 1
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| 31 |
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| 32 | /* Make LBRAC and RBRAC addresses relative to the start of the
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| 33 | function. The native Solaris stabs debugging format works this
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| 34 | way, gdb expects it, and it reduces the number of relocation
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| 35 | entries... */
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| 36 |
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| 37 | #undef DBX_BLOCKS_FUNCTION_RELATIVE
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| 38 | #define DBX_BLOCKS_FUNCTION_RELATIVE 1
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| 39 |
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| 40 | /* ... but, to make this work, functions must appear prior to line info. */
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| 41 |
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| 42 | #undef DBX_FUNCTION_FIRST
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| 43 | #define DBX_FUNCTION_FIRST
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| 44 |
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| 45 | /* When generating stabs debugging, use N_BINCL entries. */
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| 46 |
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| 47 | #undef DBX_USE_BINCL
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| 48 | #define DBX_USE_BINCL
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| 49 |
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| 50 | /* There is no limit to the length of stabs strings. */
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| 51 |
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| 52 | #ifndef DBX_CONTIN_LENGTH
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| 53 | #define DBX_CONTIN_LENGTH 0
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| 54 | #endif
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| 55 |
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| 56 | /* Like block addresses, stabs line numbers are relative to the
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| 57 | current function. */
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| 58 |
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| 59 | #undef ASM_OUTPUT_SOURCE_LINE
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| 60 | #define ASM_OUTPUT_SOURCE_LINE(FILE, LINE) \
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| 61 | do \
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| 62 | { \
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| 63 | static int sym_lineno = 1; \
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| 64 | char temp[256]; \
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| 65 | ASM_GENERATE_INTERNAL_LABEL (temp, "LM", sym_lineno); \
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| 66 | fprintf (FILE, "\t.stabn 68,0,%d,", LINE); \
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| 67 | assemble_name (FILE, temp); \
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| 68 | putc ('-', FILE); \
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| 69 | assemble_name (FILE, \
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| 70 | XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0));\
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| 71 | putc ('\n', FILE); \
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| 72 | ASM_OUTPUT_INTERNAL_LABEL (FILE, "LM", sym_lineno); \
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| 73 | sym_lineno += 1; \
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| 74 | } \
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| 75 | while (0)
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| 76 |
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| 77 | /* Generate a blank trailing N_SO to mark the end of the .o file, since
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| 78 | we can't depend upon the linker to mark .o file boundaries with
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| 79 | embedded stabs. */
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| 80 |
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| 81 | #undef DBX_OUTPUT_MAIN_SOURCE_FILE_END
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| 82 | #define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \
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| 83 | asm_fprintf (FILE, \
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| 84 | "\t.text\n\t.stabs \"\",%d,0,0,%LLetext\n%LLetext:\n", N_SO)
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| 85 |
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| 86 | #endif /* ! GCC_DBX_ELF_H */
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