/* Definitions for AMD x86-64 running Linux-based GNU systems with ELF format.
- Copyright (C) 2001, 2002, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+ Free Software Foundation, Inc.
Contributed by Jan Hubicka <jh@suse.cz>, based on linux.h.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
-#define TARGET_VERSION fprintf (stderr, " (x86-64 Linux/ELF)");
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
-#define TARGET_OS_CPP_BUILTINS() \
- do \
- { \
- LINUX_TARGET_OS_CPP_BUILTINS(); \
- if (flag_pic) \
- { \
- builtin_define ("__PIC__"); \
- builtin_define ("__pic__"); \
- } \
- } \
- while (0)
+#define GNU_USER_LINK_EMULATION32 "elf_i386"
+#define GNU_USER_LINK_EMULATION64 "elf_x86_64"
+#define GNU_USER_LINK_EMULATIONX32 "elf32_x86_64"
-#undef CPP_SPEC
-#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
-
-/* The svr4 ABI for the i386 says that records and unions are returned
- in memory. In the 64bit compilation we will turn this flag off in
- override_options, as we never do pcc_struct_return scheme on this target. */
-#undef DEFAULT_PCC_STRUCT_RETURN
-#define DEFAULT_PCC_STRUCT_RETURN 1
-
-/* We arrange for the whole %fs segment to map the tls area. */
-#undef TARGET_TLS_DIRECT_SEG_REFS_DEFAULT
-#define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT MASK_TLS_DIRECT_SEG_REFS
-
-/* Provide a LINK_SPEC. Here we provide support for the special GCC
- options -static and -shared, which allow us to link things in one
- of these three modes by applying the appropriate combinations of
- options at link-time.
-
- When the -shared link option is used a final link is not being
- done. */
-
-#undef LINK_SPEC
-#define LINK_SPEC "%{!m32:-m elf_x86_64} %{m32:-m elf_i386} \
- %{shared:-shared} \
- %{!shared: \
- %{!static: \
- %{rdynamic:-export-dynamic} \
- %{m32:%{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
- %{!m32:%{!dynamic-linker:-dynamic-linker /lib64/ld-linux-x86-64.so.2}}} \
- %{static:-static}}"
-
-#define MULTILIB_DEFAULTS { "m64" }
-
-#undef NEED_INDICATE_EXEC_STACK
-#define NEED_INDICATE_EXEC_STACK 1
-
-#define MD_UNWIND_SUPPORT "config/i386/linux-unwind.h"
-
-/* This macro may be overriden in i386/k*bsd-gnu.h */
-#define REG_NAME(reg) reg
+#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
+#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
+#define GLIBC_DYNAMIC_LINKERX32 "/libx32/ld-linux-x32.so.2"
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