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- /* Definitions for Intel 386 running Linux
- Copyright (C) 1992, 1994 Free Software Foundation, Inc.
- Contributed by H.J. Lu (hjl@nynexst.com)
-
- 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #if 0 /* The FSF has fixed the known bugs. But ....... */
-
- /* Linux has a hacked gas 1.38.1, which can handle repz, repnz
- and fildll. */
-
- #define GOOD_GAS
- #endif
-
- /* Don't assume anything about the header files. */
- #define NO_IMPLICIT_EXTERN_C
-
- /* This is tested by i386/gas.h. */
- #define YES_UNDERSCORES
-
- #ifndef LINUX_ELF
- #include "i386/gstabs.h"
- #endif
-
- /* Specify predefined symbols in preprocessor. */
-
- #undef CPP_PREDEFINES
- #define CPP_PREDEFINES "-Dunix -Di386 -Dlinux -Asystem(unix) -Asystem(posix) -Acpu(i386) -Amachine(i386)"
-
- #undef CPP_SPEC
- #if TARGET_CPU_DEFAULT == 2
- #define CPP_SPEC "%{!m386:-D__i486__} %{posix:-D_POSIX_SOURCE}"
- #else
- #define CPP_SPEC "%{m486:-D__i486__} %{posix:-D_POSIX_SOURCE}"
- #endif
-
- #undef SIZE_TYPE
- #define SIZE_TYPE "unsigned int"
-
- #undef PTRDIFF_TYPE
- #define PTRDIFF_TYPE "int"
-
- #undef WCHAR_TYPE
- #define WCHAR_TYPE "long int"
-
- #undef WCHAR_TYPE_SIZE
- #define WCHAR_TYPE_SIZE BITS_PER_WORD
-
- #undef HAVE_ATEXIT
- #define HAVE_ATEXIT
-
- /* Linux uses ctype from glibc.a. I am not sure how complete it is.
- For now, we play safe. It may change later. */
-
- #if 0
- #undef MULTIBYTE_CHARS
- #define MULTIBYTE_CHARS 1
- #endif
-
- #undef LIB_SPEC
- #define LIB_SPEC \
- "%{mieee-fp:-lieee} %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \
- %{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}"
-
- #undef STARTFILE_SPEC
- #define STARTFILE_SPEC "%{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}"
-
-
- /* There are conflicting reports about whether this system uses
- a different assembler syntax. wilson@cygnus.com says # is right. */
- #undef COMMENT_BEGIN
- #define COMMENT_BEGIN "#"
-
- #undef ASM_APP_ON
- #define ASM_APP_ON "#APP\n"
-
- #undef ASM_APP_OFF
- #define ASM_APP_OFF "#NO_APP\n"
-
- /* Don't default to pcc-struct-return, because gcc is the only compiler, and
- we want to retain compatibility with older gcc versions. */
- #define DEFAULT_PCC_STRUCT_RETURN 0
-
- /* We need that too. */
- #define HANDLE_SYSV_PRAGMA
-
- #undef LINK_SPEC
-
- /* We want to pass -v to linker */
- #if TARGET_CPU_DEFAULT == 2
- #define LINK_SPEC "%{v:-dll-verbose} %{!m386:-m486}"
- #else
- #define LINK_SPEC "%{v:-dll-verbose} %{m486:-m486}"
- #endif
-