summaryrefslogtreecommitdiff
path: root/libgcc/config/i386
diff options
context:
space:
mode:
authoruros <uros@138bc75d-0d04-0410-961f-82ee72b054a4>2015-01-23 19:46:43 +0000
committeruros <uros@138bc75d-0d04-0410-961f-82ee72b054a4>2015-01-23 19:46:43 +0000
commit58ca7445868b8f899d1310b88218d5ba4d103b13 (patch)
treead77ceec6fabf0fca438eaef03332d8b3a0c0958 /libgcc/config/i386
parent2782c04cd1cce29d3b97645a1b43148a3c4e7bac (diff)
downloadgcc-58ca7445868b8f899d1310b88218d5ba4d103b13.tar.gz
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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@220056 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgcc/config/i386')
-rw-r--r--libgcc/config/i386/elf-lib.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/libgcc/config/i386/elf-lib.h b/libgcc/config/i386/elf-lib.h
new file mode 100644
index 00000000000..94fc48682bf
--- /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