Add x86_64-unknown-openbsd* target. Tested only as a cross-compiler.

ok espie@

2 files changed, 127 insertions, 0 deletions

diff --git a/gnu/usr.bin/gcc/gcc/config.gcc b/gnu/usr.bin/gcc/gcc/config.gcc
index 3fd26841743..2cebf4705f1 100644
--- a/gnu/usr.bin/gcc/gcc/config.gcc
+++ b/gnu/usr.bin/gcc/gcc/config.gcc
@@ -1162,6 +1162,10 @@ i[34567]86-*-openbsd*)
 	gnu_ld=yes
 	stabs=yes
   	;;
+x86_64-*-openbsd*)
+	tm_file="i386/biarch64.h i386/i386.h i386/unix.h i386/att.h dbxelf.h elfos.h openbsd.h i386/x86-64.h i386/openbsd64.h"
+	tmake_file="t-libc-ok t-openbsd i386/t-openbsd"
+	;;
 i[34567]86-*-coff*)
 	tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h dbxcoff.h i386/i386-coff.h"
 	;;
diff --git a/gnu/usr.bin/gcc/gcc/config/i386/openbsd64.h b/gnu/usr.bin/gcc/gcc/config/i386/openbsd64.h
new file mode 100644
index 00000000000..63637ce240d
--- /dev/null
+++ b/gnu/usr.bin/gcc/gcc/config/i386/openbsd64.h
@@ -0,0 +1,123 @@
+/* Configuration for an OpenBSD x86-64 target.
+   
+   Copyright (C) 2003 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC 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)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+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 GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (OpenBSD/x86-64 ELF)")
+
+/* This gets defined in tm.h->linux.h->svr4.h, and keeps us from using
+   libraries compiled with the native cc, so undef it. */
+#undef NO_DOLLAR_IN_LABEL
+
+/* Override the default comment-starter of "/".  */
+#undef ASM_COMMENT_START
+#define ASM_COMMENT_START "#"
+
+/* Run-time target specifications */
+
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+    	OPENBSD_OS_CPP_BUILTINS_ELF();		\
+	OPENBSD_OS_CPP_BUILTINS_LP64();		\
+	builtin_define ("__unix__");		\
+	builtin_assert ("system=bsd");		\
+    }						\
+  while (0)
+
+/* As an elf system, we need crtbegin/crtend stuff.  */
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "\
+	%{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \
+	crtbegin%O%s} %{shared:crtbeginS%O%s}"
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
+
+/* Layout of source language data types.  */
+
+/* This must agree with <machine/ansi.h> */
+#undef SIZE_TYPE
+#define SIZE_TYPE "long unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "long int"
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "int"
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+/* Assembler format: overall framework.  */
+
+#undef ASM_APP_ON
+#define ASM_APP_ON "#APP\n"
+
+#undef ASM_APP_OFF
+#define ASM_APP_OFF "#NO_APP\n"
+
+#undef SET_ASM_OP
+#define SET_ASM_OP	"\t.set\t"
+
+/* The following macros were originally stolen from i386v4.h.
+   These have to be defined to get PIC code correct.  */
+
+/* Assembler format: dispatch tables.  */
+
+/* Assembler format: sections.  */
+
+/* Stack & calling: aggregate returns.  */
+
+/* Don't default to pcc-struct-return, because gcc is the only compiler, and
+   we want to retain compatibility with older gcc versions.  */
+#define DEFAULT_PCC_STRUCT_RETURN 0
+
+/* Assembler format: alignment output.  */
+
+/* Stack & calling: profiling.  */
+
+/* OpenBSD's profiler recovers all information from the stack pointer.
+   The icky part is not here, but in machine/profile.h.  */
+#undef FUNCTION_PROFILER
+#define FUNCTION_PROFILER(FILE, LABELNO)  \
+  fputs (flag_pic ? "\tcall __mcount@PLT\n": "\tcall __mcount\n", FILE);
+
+/* Assembler format: exception region output.  */
+
+/* Assembler format: alignment output.  */
+
+/* Note that we pick up ASM_OUTPUT_MAX_SKIP_ALIGN from i386/gas.h */
+
+/* Note that we pick up ASM_OUTPUT_MI_THUNK from unix.h.  */
+
+#undef LINK_SPEC
+#define LINK_SPEC \
+  "%{!shared:%{!nostdlib:%{!r*:%{!e*:-e __start}}}} \
+   %{shared:-shared} %{R*} \
+   %{static:-Bstatic} \
+   %{!static:-Bdynamic} \
+   %{assert*} \
+   %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so}"
+
+#define OBSD_HAS_CORRECT_SPECS
+
+/* pick up defines for mprotect (used in TRANSFER_FROM_TRANPOLINE) */
+#include <sys/types.h>
+#include <sys/mman.h>