1 /* Definitions for Linux-based GNU systems with ELF format 2 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. 3 Contributed by Eric Youngdale. 4 Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org). 5 6 This file is part of GNU CC. 7 8 GNU CC is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2, or (at your option) 11 any later version. 12 13 GNU CC is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GNU CC; see the file COPYING. If not, write to 20 the Free Software Foundation, 59 Temple Place - Suite 330, 21 Boston, MA 02111-1307, USA. */ 22 23 /* Don't assume anything about the header files. */ 24 #define NO_IMPLICIT_EXTERN_C 25 26 /* GNU/Linux uses ctype from glibc.a. I am not sure how complete it is. 27 For now, we play safe. It may change later. */ 28 29 #if 0 30 #undef MULTIBYTE_CHARS 31 #define MULTIBYTE_CHARS 1 32 #endif 33 34 #undef ASM_APP_ON 35 #define ASM_APP_ON "#APP\n" 36 37 #undef ASM_APP_OFF 38 #define ASM_APP_OFF "#NO_APP\n" 39 40 #undef MD_EXEC_PREFIX 41 #undef MD_STARTFILE_PREFIX 42 43 /* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add 44 the GNU/Linux magical crtbegin.o file (see crtstuff.c) which 45 provides part of the support for getting C++ file-scope static 46 object constructed before entering `main'. */ 47 48 #undef STARTFILE_SPEC 49 #ifdef USE_GNULIBC_1 50 #define STARTFILE_SPEC \ 51 "%{!shared: \ 52 %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \ 53 %{!p:%{profile:gcrt1.o%s} \ 54 %{!profile:crt1.o%s}}}} \ 55 crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" 56 #else 57 #define STARTFILE_SPEC \ 58 "%{!shared: \ 59 %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \ 60 %{!p:%{profile:gcrt1.o%s} \ 61 %{!profile:crt1.o%s}}}} \ 62 crti.o%s %{static:crtbeginT.o%s}\ 63 %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}" 64 #endif 65 66 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on 67 the GNU/Linux magical crtend.o file (see crtstuff.c) which 68 provides part of the support for getting C++ file-scope static 69 object constructed before entering `main', followed by a normal 70 GNU/Linux "finalizer" file, `crtn.o'. */ 71 72 #undef ENDFILE_SPEC 73 #define ENDFILE_SPEC \ 74 "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s" 75 76 /* This is for -profile to use -lc_p instead of -lc. */ 77 #ifndef CC1_SPEC 78 #define CC1_SPEC "%{profile:-p}" 79 #endif 80 81 /* The GNU C++ standard library requires that these macros be defined. */ 82 #undef CPLUSPLUS_CPP_SPEC 83 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)" 84 85 #undef LIB_SPEC 86 /* We no longer link with libc_p.a or libg.a by default. If you 87 want to profile or debug the GNU/Linux C library, please add 88 -profile or -ggdb to LDFLAGS at the link time, respectively. */ 89 #if 1 90 #ifdef USE_GNULIBC_1 91 #define LIB_SPEC \ 92 "%{!shared: %{p:-lgmon} %{pg:-lgmon} %{profile:-lgmon -lc_p} \ 93 %{!profile:%{!ggdb:-lc} %{ggdb:-lg}}}" 94 #else 95 #define LIB_SPEC \ 96 "%{pthread:-lpthread} \ 97 %{shared:-lc} \ 98 %{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}" 99 #endif 100 #else 101 #define LIB_SPEC \ 102 "%{!shared: \ 103 %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \ 104 %{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}}" 105 #endif 106 107 #if !defined(USE_GNULIBC_1) && defined(HAVE_LD_EH_FRAME_HDR) 108 #define LINK_EH_SPEC "%{!static:--eh-frame-hdr} " 109 #endif 110 111 #define LINK_GCC_C_SEQUENCE_SPEC \ 112 "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}" 113 114 /* Define this so we can compile MS code for use with WINE. */ 115 #define HANDLE_PRAGMA_PACK_PUSH_POP 116 117 #define TARGET_HAS_F_SETLKW 118