117 lines
3.4 KiB
C
117 lines
3.4 KiB
C
/* Definitions for Linux with ELF format
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Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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Contributed by Eric Youngdale.
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Modified for stabs-in-ELF by H.J. Lu.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Don't assume anything about the header files. */
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#define NO_IMPLICIT_EXTERN_C
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#undef HAVE_ATEXIT
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#define HAVE_ATEXIT
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/* Linux uses ctype from glibc.a. I am not sure how complete it is.
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For now, we play safe. It may change later. */
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#if 0
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#undef MULTIBYTE_CHARS
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#define MULTIBYTE_CHARS 1
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#endif
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#undef ASM_APP_ON
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#define ASM_APP_ON "#APP\n"
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#undef ASM_APP_OFF
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#define ASM_APP_OFF "#NO_APP\n"
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#define SET_ASM_OP ".set"
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/* Use stabs instead of DWARF debug format. */
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#undef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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#include "svr4.h"
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#undef MD_EXEC_PREFIX
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#undef MD_STARTFILE_PREFIX
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/* Output at beginning of assembler file. */
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/* The .file command should always begin the output. */
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#undef ASM_FILE_START
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#define ASM_FILE_START(FILE) \
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do { \
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output_file_directive (FILE, main_input_filename); \
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fprintf (FILE, "\t.version\t\"01.01\"\n"); \
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} while (0)
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/* Provide a STARTFILE_SPEC appropriate for Linux. Here we add
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the Linux magical crtbegin.o file (see crtstuff.c) which
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provides part of the support for getting C++ file-scope static
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object constructed before entering `main'. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC \
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"%{!shared: \
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%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
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%{!p:%{profile:gcrt1.o%s} \
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%{!profile:crt1.o%s}}}} \
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crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
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/* Provide a ENDFILE_SPEC appropriate for Linux. Here we tack on
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the Linux magical crtend.o file (see crtstuff.c) which
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provides part of the support for getting C++ file-scope static
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object constructed before entering `main', followed by a normal
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Linux "finalizer" file, `crtn.o'. */
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC \
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"%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
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/* This is for -profile to use -lc_p instead of -lc. */
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#ifndef CC1_SPEC
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#define CC1_SPEC "%{profile:-p}"
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#endif
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#ifndef USE_GNULIBC_1
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#undef DEFAULT_VTABLE_THUNKS
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#define DEFAULT_VTABLE_THUNKS 1
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#endif
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#undef LIB_SPEC
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/* We no longer link with libc_p.a or libg.a by default. If you
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* want to profile or debug the Linux C library, please add
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* -profile or -ggdb to LDFLAGS at the link time, respectively.
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*/
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#if 1
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#ifdef USE_GNULIBC_1
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#define LIB_SPEC \
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"%{!shared: %{p:-lgmon} %{pg:-lgmon} %{profile:-lgmon -lc_p} \
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%{!profile:%{!ggdb:-lc} %{ggdb:-lg}}}"
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#else
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#define LIB_SPEC \
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"%{shared: -lc} \
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%{!shared: %{mieee-fp:-lieee} %{pthread:-lpthread} \
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%{profile:-lc_p} %{!profile: -lc}}"
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#endif
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#else
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#define LIB_SPEC \
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"%{!shared: \
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%{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \
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%{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}}"
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#endif
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