linux.h revision 1.5 
1/* Xtensa Linux configuration.
2   Derived from the configuration for GCC for Intel i386 running Linux.
3   Copyright (C) 2001-2015 Free Software Foundation, Inc.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 3, or (at your option) any later
10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3.  If not see
19<http://www.gnu.org/licenses/>.  */
20
21#define TARGET_OS_CPP_BUILTINS() GNU_USER_TARGET_OS_CPP_BUILTINS()
22
23#undef SUBTARGET_CPP_SPEC
24#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
25
26#undef SIZE_TYPE
27#define SIZE_TYPE "unsigned int"
28
29#undef PTRDIFF_TYPE
30#define PTRDIFF_TYPE "int"
31
32#undef WCHAR_TYPE
33#define WCHAR_TYPE "long int"
34
35#undef WCHAR_TYPE_SIZE
36#define WCHAR_TYPE_SIZE 32
37
38#undef ASM_SPEC
39#define ASM_SPEC \
40 "%{mtext-section-literals:--text-section-literals} \
41  %{mno-text-section-literals:--no-text-section-literals} \
42  %{mtarget-align:--target-align} \
43  %{mno-target-align:--no-target-align} \
44  %{mlongcalls:--longcalls} \
45  %{mno-longcalls:--no-longcalls}"
46
47#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
48
49#undef LINK_SPEC
50#define LINK_SPEC \
51 "%{shared:-shared} \
52  %{!shared: \
53    %{!static: \
54      %{rdynamic:-export-dynamic} \
55      -dynamic-linker " GNU_USER_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#undef DBX_REGISTER_NUMBER
65
66