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elf-lib.h: New file.

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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
This commit is contained in:
Uros Bizjak 2015-01-23 20:46:43 +01:00 committed by Uros Bizjak
parent 29585247a2
commit 7bbf973451
5 changed files with 56 additions and 13 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2015-23-01 Uros Bizjak <ubizjak@gmail.com>
* config/i386/gnu-user.h (CRT_GET_RFIB_DATA): Move definition to
libgcc/config/i386/elf-lib.h.
2015-01-23 Jakub Jelinek <jakub@redhat.com>
PR driver/64737

13
gcc/config/i386/gnu-user.h
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@ -129,19 +129,6 @@ along with GCC; see the file COPYING3. If not see
} \
} while (0)
/* 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))
#ifdef TARGET_LIBC_PROVIDES_SSP
/* i386 glibc provides __stack_chk_guard in %gs:0x14. */
#define TARGET_THREAD_SSP_OFFSET 0x14

11
libgcc/ChangeLog
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@ -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

4
libgcc/config.host
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@ -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*)
;;

36
libgcc/config/i386/elf-lib.h Normal file
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@ -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