diff options
| -rw-r--r-- | gcc/config/i386/linux-aout.h | 75 | ||||
| -rw-r--r-- | gcc/config/linux-aout.h | 50 | ||||
| -rw-r--r-- | gcc/config/linux.h | 87 | ||||
| -rw-r--r-- | gcc/config/x-linux | 14 |
4 files changed, 226 insertions, 0 deletions
diff --git a/gcc/config/i386/linux-aout.h b/gcc/config/i386/linux-aout.h new file mode 100644 index 00000000000..f975d8c2293 --- /dev/null +++ b/gcc/config/i386/linux-aout.h @@ -0,0 +1,75 @@ +/* Definitions for Intel 386 running Linux + Copyright (C) 1992, 1994, 1995 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. */ + +/* This is tested by i386/gas.h. */ +#define YES_UNDERSCORES + +#include "i386/gstabs.h" +#include "linux-aout.h" /* some common stuff */ + +/* 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 + +/* 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 + +#undef LIB_SPEC + +#if 1 +/* We no longer link with libc_p.a or libg.a by default. If you + * want to profile or debug the Linux C library, please add + * -lc_p or -ggdb to LDFLAGS at the link time, respectively. + */ +#define LIB_SPEC \ +"%{mieee-fp:-lieee} %{p:-lgmon} %{pg:-lgmon} %{!ggdb:-lc} %{ggdb:-lg}" +#else +#define LIB_SPEC \ +"%{mieee-fp:-lieee} %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \ + %{!p:%{!pg:%{!g*:-lc} %{g*:-lg -static}}}" +#endif + + +#undef LINK_SPEC +#define LINK_SPEC "-m i386linux" + +/* Get perform_* macros to build libgcc.a. */ +#include "i386/perform.h" diff --git a/gcc/config/linux-aout.h b/gcc/config/linux-aout.h new file mode 100644 index 00000000000..e36159f6c0c --- /dev/null +++ b/gcc/config/linux-aout.h @@ -0,0 +1,50 @@ +/* Definitions for Linux + Copyright (C) 1995 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. */ + +/* Don't assume anything about the header files. */ +#define NO_IMPLICIT_EXTERN_C + +#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 STARTFILE_SPEC +#define STARTFILE_SPEC "%{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}} %{static:-static}" + +/* 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" + +/* We need that too. */ +#define HANDLE_SYSV_PRAGMA diff --git a/gcc/config/linux.h b/gcc/config/linux.h new file mode 100644 index 00000000000..1dbf6e5888d --- /dev/null +++ b/gcc/config/linux.h @@ -0,0 +1,87 @@ +/* Definitions for Linux with ELF format + Copyright (C) 1995 Free Software Foundation, Inc. + Contributed by Eric Youngdale. + Modified for stabs-in-ELF by H.J. Lu. + +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. */ + +/* Don't assume anything about the header files. */ +#define NO_IMPLICIT_EXTERN_C + +#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 + +/* 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" + +/* Use stabs instead of DWARF debug format. */ +#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG +#include "svr4.h" + +#undef MD_EXEC_PREFIX +#undef MD_STARTFILE_PREFIX + +/* Output at beginning of assembler file. */ +/* The .file command should always begin the output. */ +#undef ASM_FILE_START +#define ASM_FILE_START(FILE) \ + do { \ + output_file_directive (FILE, main_input_filename); \ + fprintf (FILE, "\t.version\t\"01.01\"\n"); \ + } while (0) + +#undef LIBGCC_SPEC +#define LIBGCC_SPEC \ + "%{!shared:-lgcc}" + + +/* Provide a STARTFILE_SPEC appropriate for Linux. Here we add + the Linux magical crtbegin.o file (see crtstuff.c) which + provides part of the support for getting C++ file-scope static + object constructed before entering `main'. */ + +#undef STARTFILE_SPEC +#define STARTFILE_SPEC \ + "%{!shared: \ + %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\ + crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" + +/* Provide a ENDFILE_SPEC appropriate for Linux. Here we tack on + the Linux magical crtend.o file (see crtstuff.c) which + provides part of the support for getting C++ file-scope static + object constructed before entering `main', followed by a normal + Linux "finalizer" file, `crtn.o'. */ + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC \ + "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s" diff --git a/gcc/config/x-linux b/gcc/config/x-linux new file mode 100644 index 00000000000..ea2a5f270b3 --- /dev/null +++ b/gcc/config/x-linux @@ -0,0 +1,14 @@ +# It is defined in config/xm-linux.h. +# X_CFLAGS = -DPOSIX + +# The following is needed when compiling stages 2 and 3 because gcc's +# limits.h must be picked up before /usr/include/limits.h. This is because +# each does an #include_next of the other if the other hasn't been included. +# /usr/include/limits.h loses if it gets found first because /usr/include is +# at the end of the search order. When a new version of gcc is released, +# gcc's limits.h hasn't been installed yet and hence isn't found. + +BOOT_CFLAGS = -O $(CFLAGS) -Iinclude + +# Don't run fixproto +STMP_FIXPROTO = |