elf-lib.h: New file.

libgcc/ChangeLog:

	* config/i386/elf-lib.h: New file.
	(CRT_GET_RFIB_DATA): Move definition from gcc/config/i386/gnu-user.h.
	Wrap definition in #ifdef __i386__.
	* libgcc/config.host (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu)
	(i[34567]86-*-knetbsd*-gnu, i[34567]86-*-gnu*)
	(i[34567]86-*-kopensolaris*-gnu, x86_64-*-linux*)
	(x86_64-*-kfreebsd*-gnu, x86_64-*-knetbsd*-gnu): Add i386/elf-lib.h
	to tm_file.

gcc/ChangeLog:

	* config/i386/gnu-user.h (CRT_GET_RFIB_DATA): Move definition to
	libgcc/config/i386/elf-lib.h.

From-SVN: r220056

3 files changed, 51 insertions, 0 deletions

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 10e2849..a3e3893 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,14 @@
+2015-01-23  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/elf-lib.h: New file.
+	(CRT_GET_RFIB_DATA): Move definition from gcc/config/i386/gnu-user.h.
+	Wrap definition in #ifdef __i386__.
+	* libgcc/config.host (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu)
+	(i[34567]86-*-knetbsd*-gnu, i[34567]86-*-gnu*)
+	(i[34567]86-*-kopensolaris*-gnu, x86_64-*-linux*)
+	(x86_64-*-kfreebsd*-gnu, x86_64-*-knetbsd*-gnu): Add i386/elf-lib.h
+	to tm_file.
+
 2015-01-22  Chen Gang  <gang.chen.5i5j@gmail.com>
 
 	* unwind-dw2-fde.h (last_fde): Use "(const fde *)" instead of
diff --git a/libgcc/config.host b/libgcc/config.host
index 3065c8a..92ac88e 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -585,20 +585,24 @@ x86_64-*-openbsd*)
 i[34567]86-*-linux*)
 	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
 	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
+	tm_file="${tm_file} i386/elf-lib.h"
 	md_unwind_header=i386/linux-unwind.h
 	;;
 i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu | i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu)
 	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
 	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
+	tm_file="${tm_file} i386/elf-lib.h"
 	;;
 x86_64-*-linux*)
 	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
 	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
+	tm_file="${tm_file} i386/elf-lib.h"
 	md_unwind_header=i386/linux-unwind.h
 	;;
 x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu)
 	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
 	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
+	tm_file="${tm_file} i386/elf-lib.h"
 	;;
 i[34567]86-pc-msdosdjgpp*)
 	;;
diff --git a/libgcc/config/i386/elf-lib.h b/libgcc/config/i386/elf-lib.h
new file mode 100644
index 0000000..94fc486
--- /dev/null
+++ b/libgcc/config/i386/elf-lib.h
@@ -0,0 +1,36 @@
+/* Definitions for Intel 386 systems using GNU userspace.
+   Copyright (C) 2015 Free Software Foundation, Inc.
+
+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 3, 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.
+
+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.
+
+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/>.  */
+
+#ifdef __i386__
+/* Used by crtstuff.c to initialize the base of data-relative relocations.
+   These are GOT relative on x86, so return the pic register.  */
+#define CRT_GET_RFIB_DATA(BASE)						\
+  __asm__ ("call\t.LPR%=\n"						\
+	   ".LPR%=:\n\t"						\
+	   "pop{l}\t%0\n\t"						\
+	   /* Due to a GAS bug, this cannot use EAX.  That encodes	\
+	      smaller than the traditional EBX, which results in the	\
+	      offset being off by one.  */				\
+	   "add{l}\t{$_GLOBAL_OFFSET_TABLE_+[.-.LPR%=],%0"		\
+		   "|%0,_GLOBAL_OFFSET_TABLE_+(.-.LPR%=)}"		\
+	   : "=d"(BASE))
+#endif