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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2016-08-20 19:50:45 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2016-08-20 19:50:45 +0200
commit4dd9e35bfd35d3138bc44169baba098005bad51e (patch)
treea4939c43a9c3fe00eb27f023e14acc5e1fe8808c /sysdeps/hppa/bsd-setjmp.S
parentbd42a4599d1b6f77bcfe1e4f67b7cbd9e1cb2dfd (diff)
parentf76453c31593957fec1a99b986bfa5506618b79c (diff)
Merge commit 'refs/top-bases/t/bigmem' into t/bigmem
Diffstat (limited to 'sysdeps/hppa/bsd-setjmp.S')
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1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/hppa/bsd-setjmp.S b/sysdeps/hppa/bsd-setjmp.S
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+/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. HPPA version.
+ Copyright (C) 2001-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* This just does a tail-call to `__sigsetjmp (ARG, 1)'.
+ We cannot do it in C because it must be a tail-call, so frame-unwinding
+ in setjmp doesn't clobber the state restored by longjmp. */
+
+ .text
+ .align 4
+ .globl setjmp
+ .export setjmp, code
+ .level 2.0
+ .proc
+ .callinfo
+ .import __sigsetjmp
+setjmp:
+ b __sigsetjmp
+ ldi 1, %r25
+
+ .procend