/* Definitions for Linux-based GNU systems with ELF format Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. Contributed by Eric Youngdale. Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org). 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. */ /* Don't assume anything about the header files. */ #define NO_IMPLICIT_EXTERN_C #undef HAVE_ATEXIT #define HAVE_ATEXIT /* GNU/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 ASM_APP_ON #define ASM_APP_ON "#APP\n" #undef ASM_APP_OFF #define ASM_APP_OFF "#NO_APP\n" #define SET_ASM_OP ".set" /* Use stabs instead of DWARF debug format. */ #undef PREFERRED_DEBUGGING_TYPE #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) /* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add the GNU/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:%{profile:gcrt1.o%s} \ %{!profile:crt1.o%s}}}} \ crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" /* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on the GNU/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 GNU/Linux "finalizer" file, `crtn.o'. */ #undef ENDFILE_SPEC #define ENDFILE_SPEC \ "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s" /* This is for -profile to use -lc_p instead of -lc. */ #ifndef CC1_SPEC #define CC1_SPEC "%{profile:-p}" #endif #ifndef USE_GNULIBC_1 #undef DEFAULT_VTABLE_THUNKS #define DEFAULT_VTABLE_THUNKS 1 #endif #undef LIB_SPEC /* We no longer link with libc_p.a or libg.a by default. If you want to profile or debug the GNU/Linux C library, please add -profile or -ggdb to LDFLAGS at the link time, respectively. */ #if 1 #ifdef USE_GNULIBC_1 #define LIB_SPEC \ "%{!shared: %{p:-lgmon} %{pg:-lgmon} %{profile:-lgmon -lc_p} \ %{!profile:%{!ggdb:-lc} %{ggdb:-lg}}}" #else #define LIB_SPEC \ "%{shared: -lc} \ %{!shared: %{mieee-fp:-lieee} %{pthread:-lpthread} \ %{profile:-lc_p} %{!profile: -lc}}" #endif #else #define LIB_SPEC \ "%{!shared: \ %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \ %{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}}" #endif