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authorJoseph Myers <joseph@codesourcery.com>2012-07-01 13:08:59 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-01 13:08:59 +0000
commite84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch)
treedff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/unix/sysv/linux/ia64/____longjmp_chk.S
parent75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff)
parente64ac02c24b43659048622714afdc92fedf561fa (diff)
Merge glibc-ports into ports/ directory.glibc-2.16-ports-merge
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/ia64/____longjmp_chk.S')
-rw-r--r--ports/sysdeps/unix/sysv/linux/ia64/____longjmp_chk.S41
1 files changed, 41 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/ia64/____longjmp_chk.S b/ports/sysdeps/unix/sysv/linux/ia64/____longjmp_chk.S
new file mode 100644
index 0000000000..75e6951370
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/ia64/____longjmp_chk.S
@@ -0,0 +1,41 @@
+/* Copyright (C) 2009 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/>. */
+
+ .section .rodata.str1.8,"aMS",@progbits,1
+ .align 8
+.LC0:
+ .string "longjmp causes uninitialized stack frame"
+
+ .section .sdata,"aws",@progbits
+ .align 8
+ .type longjmp_msg,@object
+longjmp_msg:
+ data8 .LC0
+ .size longjmp_msg, .-longjmp_msg
+
+#define __longjmp ____longjmp_chk
+
+#define CHECK_RSP(reg) \
+ cmp.ltu p0, p8 = reg, r12; \
+(p8) br.cond.dpnt .Lok;; \
+ addl r28 = @ltoffx(longjmp_msg#), r1;; \
+ ld8.mov r28 = [r28], longjmp_msg#;; \
+ ld8 out0 = [r28]; \
+ br.call.sptk.many b0 = HIDDEN_JUMPTARGET(__fortify_fail)#;; \
+.Lok:
+
+#include "__longjmp.S"