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Commit cedcf937 by Nick Clifton Committed by Nick Clifton
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Move stabs specific target macros out od svr4.h and elfos.h and into dbxelf.h 

From-SVN: r25995
parent d8e178a0
Showing with 140 additions and 124 deletions
gcc/ChangeLog
Fri Mar 26 10:43:47 1999 Nick Clifton <nickc@cygnus.com>
* config/svr4.h: Include new header file dbxelf.h.
(DBX_DEBUGGING_INFO): Remove definition.
(DBX_USE_BINCL): Remove definition.
(DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
(ASM_IDENTIFY_GCC): Remove definition.
(ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
(ASM_OUTPUT_SOURCE_LINE): Remove definition.
(DBX_FUNCTION_FIRST): Remove definition.
(DBX_OUTPUT_MAIN_SOURCE_FILE_END): Remove definition.
* config/elfos.h: Include new header file dbxelf.h.
(DBX_DEBUGGING_INFO): Remove definition.
(DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
(ASM_IDENTIFY_GCC): Remove definition.
(ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
(ASM_OUTPUT_SOURCE_LINE): Remove definition.
(DBX_FUNCTION_FIRST): Remove definition.
* config/dbxelf.h: New header file.
(DBX_DEBUGGING_INFO): Define.
(DBX_BLOCKS_FUNCTION_RELATIVE): Define.
(DBX_FUNCTION_FIRST): Define.
(DBX_USE_BINCL): Define.
(DBX_CONTIN_LENGTH): Define.
(ASM_IDENTIFY_GCC): Define.
(ASM_IDENTIFY_GCC_AFTER_SOURCE): Define.
(ASM_OUTPUT_SOURCE_LINE): Define.
(DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define.
Fri Mar 26 01:59:15 1999 "Charles M. Hannum" <root@ihack.net>
* fold-const.c (fold_truthop): Verify that the lhs and rhs are
......
gcc/config/dbxelf.h 0 → 100644
/* 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; \
fprintf (file, ".stabn 68,0,%d,.LM%d-", \
line, sym_lineno); \
assemble_name (file, \
XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0));\
fprintf (file, "\n.LM%d:\n", 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) \
fprintf (FILE, \
"\t.text\n\t.stabs \"\",%d,0,0,Letext\nLetext:\n", N_SO)
#endif /* __DBX_ELF_H */
gcc/config/elfos.h
......@@ -75,10 +75,9 @@ do { \
#define DWARF2_DEBUGGING_INFO
/* gas on SVR4 supports the use of .stabs. Permit -gstabs to be used
in general, although it will only work when using gas. */
/* Also allow them to support STABS debugging. */
#define DBX_DEBUGGING_INFO
#include "dbxelf.h"
/* The GNU tools operate better with stabs. Since we don't have
any native tools to be compatible with, default to stabs. */
......@@ -87,56 +86,6 @@ do { \
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
#endif
/* 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. */
#define DBX_BLOCKS_FUNCTION_RELATIVE 1
/* 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; \
fprintf (file, "\t.stabn 68,0,%d,.LM%d-", \
line, sym_lineno); \
assemble_name (file, XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0)); \
fprintf (file, "\n.LM%d:\n", sym_lineno); \
sym_lineno += 1; \
} \
while (0)
/* In order for relative line numbers to work, we must output the
stabs entry for the function name first. */
#define DBX_FUNCTION_FIRST
#undef ASM_BYTE_OP
#define ASM_BYTE_OP ".byte"
......
gcc/config/svr4.h
......@@ -261,83 +261,14 @@ do { \
#undef DBX_REGISTER_NUMBER
/* gas on SVR4 supports the use of .stabs. Permit -gstabs to be used
in general, although it will only work when using gas. */
#define DBX_DEBUGGING_INFO
/* When generating stabs debugging, use N_BINCL entries. */
#define DBX_USE_BINCL
/* Use DWARF debugging info by default. */
#ifndef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DWARF_DEBUG
#endif
/* 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. */
#define DBX_BLOCKS_FUNCTION_RELATIVE 1
/* 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. */
#define ASM_OUTPUT_SOURCE_LINE(file, line) \
do \
{ \
static int sym_lineno = 1; \
fprintf (file, ".stabn 68,0,%d,.LM%d-", \
line, sym_lineno); \
assemble_name (file, \
XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0));\
fprintf (file, "\n.LM%d:\n", sym_lineno); \
sym_lineno += 1; \
} \
while (0)
/* In order for relative line numbers to work, we must output the
stabs entry for the function name first. */
#define DBX_FUNCTION_FIRST
/* 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. */
#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \
do \
{ \
text_section (); \
fprintf (FILE, \
"\t.stabs \"\",%d,0,0,.Letext\n.Letext:\n", N_SO); \
} \
while (0)
/* But allow STABS to be supoorted as well. */
#include "dbxelf.h"
/* Define the actual types of some ANSI-mandated types. (These
definitions should work for most SVR4 systems). */
......
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