xref: /netbsd-src/external/gpl3/gcc.old/dist/gcc/config/xtensa/linux.h (revision b7b7574d3bf8eeb51a1fa3977b59142ec6434a55)
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 
6 This file is part of GCC.
7 
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
11 version.
12 
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16 for more details.
17 
18 You should have received a copy of the GNU General Public License
19 along 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