linux.h revision 1.1.1.1.8.2 
1/* Xtensa Linux configuration.
2   Derived from the configuration for GCC for Intel i386 running Linux.
3   Copyright (C) 2001, 2002, 2003, 2006, 2007, 2008
4   Free Software Foundation, Inc.
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify it under
9the terms of the GNU General Public License as published by the Free
10Software Foundation; either version 3, or (at your option) any later
11version.
12
13GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14WARRANTY; without even the implied warranty of MERCHANTABILITY or
15FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16for more details.
17
18You should have received a copy of the GNU General Public License
19along with GCC; see the file COPYING3.  If not see
20<http://www.gnu.org/licenses/>.  */
21
22#define TARGET_OS_CPP_BUILTINS() LINUX_TARGET_OS_CPP_BUILTINS()
23
24#undef SUBTARGET_CPP_SPEC
25#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
26
27#undef TARGET_VERSION
28#define TARGET_VERSION fputs (" (Xtensa GNU/Linux with ELF)", stderr);
29
30#undef WCHAR_TYPE
31#define WCHAR_TYPE "long int"
32
33#undef WCHAR_TYPE_SIZE
34#define WCHAR_TYPE_SIZE 32
35
36#undef ASM_SPEC
37#define ASM_SPEC \
38 "%{v} \
39  %{mtext-section-literals:--text-section-literals} \
40  %{mno-text-section-literals:--no-text-section-literals} \
41  %{mtarget-align:--target-align} \
42  %{mno-target-align:--no-target-align} \
43  %{mlongcalls:--longcalls} \
44  %{mno-longcalls:--no-longcalls}"
45
46#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
47
48#undef LINK_SPEC
49#define LINK_SPEC \
50 "%{shared:-shared} \
51  %{!shared: \
52    %{!ibcs: \
53      %{!static: \
54        %{rdynamic:-export-dynamic} \
55        %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
56      %{static:-static}}}"
57
58#undef LOCAL_LABEL_PREFIX
59#define LOCAL_LABEL_PREFIX	"."
60
61/* Always enable "-fpic" for Xtensa Linux.  */
62#define XTENSA_ALWAYS_PIC 1
63
64#define MD_UNWIND_SUPPORT "config/xtensa/linux-unwind.h"
65
66