114 lines
3.0 KiB
C
114 lines
3.0 KiB
C
/* Definitions for Intel 386 running Linux
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Copyright (C) 1992, 1994 Free Software Foundation, Inc.
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Contributed by H.J. Lu (hjl@nynexst.com)
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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, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#if 0 /* The FSF has fixed the known bugs. But ....... */
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/* Linux has a hacked gas 1.38.1, which can handle repz, repnz
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and fildll. */
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#define GOOD_GAS
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#endif
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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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/* This is tested by i386/gas.h. */
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#define YES_UNDERSCORES
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#ifndef LINUX_ELF
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#include "i386/gstabs.h"
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#endif
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/* Specify predefined symbols in preprocessor. */
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES "-Dunix -Di386 -Dlinux -Asystem(unix) -Asystem(posix) -Acpu(i386) -Amachine(i386)"
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#undef CPP_SPEC
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#if TARGET_CPU_DEFAULT == 2
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#define CPP_SPEC "%{!m386:-D__i486__} %{posix:-D_POSIX_SOURCE}"
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#else
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#define CPP_SPEC "%{m486:-D__i486__} %{posix:-D_POSIX_SOURCE}"
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#endif
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#undef SIZE_TYPE
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#define SIZE_TYPE "unsigned int"
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "int"
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "long int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE BITS_PER_WORD
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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 LIB_SPEC
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#define LIB_SPEC \
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"%{mieee-fp:-lieee} %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \
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%{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}"
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC "%{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}} %{static:-static}"
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/* There are conflicting reports about whether this system uses
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a different assembler syntax. wilson@cygnus.com says # is right. */
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#undef COMMENT_BEGIN
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#define COMMENT_BEGIN "#"
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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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/* Don't default to pcc-struct-return, because gcc is the only compiler, and
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we want to retain compatibility with older gcc versions. */
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#ifndef LINUX_ELF
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#define DEFAULT_PCC_STRUCT_RETURN 0
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#endif
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/* We need that too. */
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#define HANDLE_SYSV_PRAGMA
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#undef LINK_SPEC
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/* We want to pass -v to linker */
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#if TARGET_CPU_DEFAULT == 2
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#define LINK_SPEC "%{v:-dll-verbose} %{!m386:-m486}"
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#else
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#define LINK_SPEC "%{v:-dll-verbose} %{m486:-m486}"
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#endif
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/* Get perform_* macros to build libgcc.a. */
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#include "i386/perform.h"
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