| 1 | /* Definitions for Linux with ELF format |
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| 2 | Copyright (C) 1995 Free Software Foundation, Inc. |
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| 3 | Contributed by Eric Youngdale. |
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| 4 | Modified for stabs-in-ELF by H.J. Lu. |
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| 5 | |
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| 6 | This file is part of GNU CC. |
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| 7 | |
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| 8 | GNU CC is free software; you can redistribute it and/or modify |
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| 9 | it under the terms of the GNU General Public License as published by |
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| 10 | the Free Software Foundation; either version 2, or (at your option) |
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| 11 | any later version. |
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| 12 | |
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| 13 | GNU CC is distributed in the hope that it will be useful, |
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | GNU General Public License for more details. |
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| 17 | |
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| 18 | You should have received a copy of the GNU General Public License |
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| 19 | along with GNU CC; see the file COPYING. If not, write to |
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| 20 | the Free Software Foundation, 59 Temple Place - Suite 330, |
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| 21 | Boston, MA 02111-1307, USA. */ |
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| 22 | |
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| 23 | /* Don't assume anything about the header files. */ |
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| 24 | #define NO_IMPLICIT_EXTERN_C |
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| 25 | |
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| 26 | #undef HAVE_ATEXIT |
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| 27 | #define HAVE_ATEXIT |
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| 28 | |
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| 29 | /* Linux uses ctype from glibc.a. I am not sure how complete it is. |
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| 30 | For now, we play safe. It may change later. */ |
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| 31 | |
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| 32 | #if 0 |
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| 33 | #undef MULTIBYTE_CHARS |
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| 34 | #define MULTIBYTE_CHARS 1 |
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| 35 | #endif |
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| 36 | |
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| 37 | /* There are conflicting reports about whether this system uses |
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| 38 | a different assembler syntax. wilson@cygnus.com says # is right. */ |
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| 39 | #undef COMMENT_BEGIN |
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| 40 | #define COMMENT_BEGIN "#" |
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| 41 | |
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| 42 | #undef ASM_APP_ON |
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| 43 | #define ASM_APP_ON "#APP\n" |
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| 44 | |
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| 45 | #undef ASM_APP_OFF |
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| 46 | #define ASM_APP_OFF "#NO_APP\n" |
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| 47 | |
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| 48 | /* Use stabs instead of DWARF debug format. */ |
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| 49 | #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG |
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| 50 | #include "svr4.h" |
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| 51 | |
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| 52 | #undef MD_EXEC_PREFIX |
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| 53 | #undef MD_STARTFILE_PREFIX |
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| 54 | |
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| 55 | /* Output at beginning of assembler file. */ |
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| 56 | /* The .file command should always begin the output. */ |
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| 57 | #undef ASM_FILE_START |
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| 58 | #define ASM_FILE_START(FILE) \ |
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| 59 | do { \ |
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| 60 | output_file_directive (FILE, main_input_filename); \ |
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| 61 | fprintf (FILE, "\t.version\t\"01.01\"\n"); \ |
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| 62 | } while (0) |
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| 63 | |
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| 64 | #undef LIBGCC_SPEC |
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| 65 | #define LIBGCC_SPEC \ |
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| 66 | "%{!shared:-lgcc}" |
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| 67 | |
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| 68 | |
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| 69 | /* Provide a STARTFILE_SPEC appropriate for Linux. Here we add |
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| 70 | the Linux magical crtbegin.o file (see crtstuff.c) which |
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| 71 | provides part of the support for getting C++ file-scope static |
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| 72 | object constructed before entering `main'. */ |
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| 73 | |
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| 74 | #undef STARTFILE_SPEC |
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| 75 | #define STARTFILE_SPEC \ |
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| 76 | "%{!shared: \ |
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| 77 | %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\ |
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| 78 | crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" |
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| 79 | |
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| 80 | /* Provide a ENDFILE_SPEC appropriate for Linux. Here we tack on |
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| 81 | the Linux magical crtend.o file (see crtstuff.c) which |
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| 82 | provides part of the support for getting C++ file-scope static |
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| 83 | object constructed before entering `main', followed by a normal |
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| 84 | Linux "finalizer" file, `crtn.o'. */ |
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| 85 | |
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| 86 | #undef ENDFILE_SPEC |
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| 87 | #define ENDFILE_SPEC \ |
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| 88 | "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s" |
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