1 /* Definitions for Linux with ELF format
2 Copyright (C) 1995, 1996 Free Software Foundation, Inc.
3 Contributed by Eric Youngdale.
4 Modified for stabs-in-ELF by H.J. Lu.
6 This file is part of GNU CC.
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)
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.
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. */
23 /* Don't assume anything about the header files. */
24 #define NO_IMPLICIT_EXTERN_C
29 /* Linux uses ctype from glibc.a. I am not sure how complete it is.
30 For now, we play safe. It may change later. */
33 #undef MULTIBYTE_CHARS
34 #define MULTIBYTE_CHARS 1
37 /* There are conflicting reports about whether this system uses
38 a different assembler syntax. wilson@cygnus.com says # is right. */
40 #define COMMENT_BEGIN "#"
43 #define ASM_APP_ON "#APP\n"
46 #define ASM_APP_OFF "#NO_APP\n"
48 /* Use stabs instead of DWARF debug format. */
49 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
53 #undef MD_STARTFILE_PREFIX
55 /* Output at beginning of assembler file. */
56 /* The .file command should always begin the output. */
58 #define ASM_FILE_START(FILE) \
60 output_file_directive (FILE, main_input_filename); \
61 fprintf (FILE, "\t.version\t\"01.01\"\n"); \
64 /* Provide a STARTFILE_SPEC appropriate for Linux. Here we add
65 the Linux magical crtbegin.o file (see crtstuff.c) which
66 provides part of the support for getting C++ file-scope static
67 object constructed before entering `main'. */
70 #define STARTFILE_SPEC \
72 %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
73 %{!p:%{profile:gcrt1.o%s} \
74 %{!profile:crt1.o%s}}}} \
75 crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
77 /* Provide a ENDFILE_SPEC appropriate for Linux. Here we tack on
78 the Linux magical crtend.o file (see crtstuff.c) which
79 provides part of the support for getting C++ file-scope static
80 object constructed before entering `main', followed by a normal
81 Linux "finalizer" file, `crtn.o'. */
84 #define ENDFILE_SPEC \
85 "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
87 /* This is for -profile to use -lc_p instead of -lc. */
89 #define CC1_SPEC "%{profile:-p}"
93 /* We no longer link with libc_p.a or libg.a by default. If you
94 * want to profile or debug the Linux C library, please add
95 * -profile or -ggdb to LDFLAGS at the link time, respectively.
98 "%{!shared: %{p:-lgmon} %{pg:-lgmon} %{profile:-lgmon -lc_p} \
99 %{!profile:%{!ggdb:-lc} %{ggdb:-lg}}}"
103 %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \
104 %{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}}"