From 3df1e72ed0d835f771e5452bd12daeabf72d4ac4 Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Tue, 11 May 2010 19:33:44 +0000
Subject: [PATCH] Patch by Nathan Mentley: Added initial support for Haiku x86_64.


git-svn-id: file:///srv/svn/repos/haiku/buildtools/trunk@36793 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 binutils/bfd/config.bfd       |  5 +++++
 binutils/ld/configure.tgt     |  2 ++
 gcc/gcc/config.gcc            |  4 ++++
 gcc/libgcc/config.host        |  2 ++
 gcc/gcc/config/i386/haiku64.h | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 74 insertions(+)

diff --git a/binutils/bfd/config.bfd b/binutils/bfd/config.bfd
index da7bf32..02f8c48 100644
--- a/binutils/bfd/config.bfd
+++ b/binutils/bfd/config.bfd
@@ -614,6 +614,11 @@
     targ_selvecs="bfd_elf32_i386_vec i386linux_vec bfd_efi_app_ia32_vec bfd_efi_bsdrv_ia32_vec bfd_efi_rtdrv_ia32_vec bfd_efi_app_x86_64_vec bfd_efi_bsdrv_x86_64_vec bfd_efi_rtdrv_x86_64_vec"
     want64=true
     ;;
+  x86_64-*-haiku*)
+    targ_defvec=bfd_elf64_x86_64_vec
+    targ_selvecs="bfd_elf32_i386_vec"
+    want64=true
+    ;;
   x86_64-*-mingw*)
     targ_defvec=x86_64pe_vec
     targ_selvecs="x86_64pe_vec x86_64pei_vec bfd_elf64_x86_64_vec"
diff --git a/binutils/ld/configure.tgt b/binutils/ld/configure.tgt
index e9d6e59..f6cb438 100644
--- a/binutils/ld/configure.tgt
+++ b/binutils/ld/configure.tgt
@@ -276,6 +276,8 @@
 i[3-7]86-*-beospe*)	targ_emul=i386beos ;;
 i[3-7]86-*-beos*)	targ_emul=elf_i386_be ;;
 i[3-7]86-*-haiku*)	targ_emul=elf_i386_haiku ;;
+x86_64-*-haiku*)	targ_emul=elf_x86_64
+			targ_extra_emuls=elf_i386_haiku ;;
 i[3-7]86-*-vxworks*)	targ_emul=elf_i386_vxworks ;;
 i[3-7]86-*-chaos)	targ_emul=elf_i386_chaos
 			;;
diff --git a/gcc/gcc/config.gcc b/gcc/gcc/config.gcc
index 2cfce66..facdce6 100644
--- a/gcc/gcc/config.gcc
+++ b/gcc/gcc/config.gcc
@@ -1136,6 +1136,10 @@
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h haiku.h i386/haiku.h"
 	extra_parts='crtbegin.o crtend.o'
 	;;
+x86_64-*-haiku*)
+	tmake_file='t-haiku i386/t-crtpic'
+	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h svr4.h haiku.h i386/x86-64.h i386/haiku64.h"
+	;;
 i[34567]86-*-netbsdelf*)
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h netbsd.h netbsd-elf.h i386/netbsd-elf.h"
 	;;
diff --git a/gcc/libgcc/config.host b/gcc/libgcc/config.host
index 790e84b..da15e37 100644
--- a/gcc/libgcc/config.host
+++ b/gcc/libgcc/config.host
@@ -317,6 +317,8 @@
 	;;
 i[34567]86-*-haiku*)
 	;;
+x86_64-*-haiku*)
+	;;
 i[34567]86-*-netbsdelf*)
 	;;
 i[34567]86-*-netbsd*)
diff --git a/gcc/gcc/config/i386/haiku64.h b/gcc/gcc/config/i386/haiku64.h
new file mode 100644
index 0000000..6e5958e 100644
--- /dev/null
+++ b/gcc/gcc/config/i386/haiku64.h
@@ -1,0 +1,61 @@
+/* Definitions for AMD x86_64 running Haiku with ELF format.
+   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004
+   Free Software Foundation, Inc.
+
+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)
+any later version.
+
+GCC 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 GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+
+#if TARGET_64BIT_DEFAULT
+#define TARGET_VERSION fprintf (stderr, " (x86-64 Haiku/ELF)");
+#else
+#define TARGET_VERSION fprintf (stderr, " (i386 Haiku/ELF)");
+#endif
+
+/* The SVR4 ABI for the i386 says that records and unions are returned
+ *   in memory.  
+ *
+ *   TODO: Linux64 doesn't use pcc_struct_return scheme. Does haiku? 
+ *         If not this could be removed.
+ */
+#undef DEFAULT_PCC_STRUCT_RETURN
+#define DEFAULT_PCC_STRUCT_RETURN 1
+
+#define TARGET_OS_CPP_BUILTINS()					\
+  do									\
+    {									\
+	builtin_define ("__HAIKU__");					\
+	builtin_define ("__stdcall=__attribute__((__stdcall__))");	\
+	builtin_define ("__cdecl=__attribute__((__cdecl__))");		\
+	builtin_assert ("system=haiku");					\
+    /* Haiku apparently doesn't support merging of symbols across shared \
+       object boundaries. Hence we need to explicitly specify that \
+       type_infos are not merged, so that they get compared by name \
+       instead of by pointer. */ \
+    builtin_define ("__GXX_MERGED_TYPEINFO_NAMES=0"); \
+    builtin_define ("__GXX_TYPEINFO_EQUALITY_INLINE=0"); \
+    }									\
+  while (0)
+
+/* Provide a LINK_SPEC appropriate for Haiku.  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.  */
+
+#undef	LINK_SPEC
+#define LINK_SPEC "-m elf_x86_64_haiku -shared -Bsymbolic %{nostart:-e 0} %{shared:-e 0} %{!shared: %{!nostart: -no-undefined}}"
+
--
gitore 0.2.2