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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
downloadglibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h b/nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h
new file mode 100644
index 0000000000..c6ef5f7fbd
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/jmpbuf-unwind.h
@@ -0,0 +1,39 @@
+/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <setjmp.h>
+#include <stdint.h>
+#include <unwind.h>
+
+#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
+ ({ uintptr_t _cfa = (uintptr_t) _Unwind_GetCFA (_context) - (_adj); \
+ (_cfa < (uintptr_t)(((long *)(_jmpbuf))[0]) - (_adj) \
+ || (_cfa == (uintptr_t)(((long *)(_jmpbuf))[0]) - (_adj) \
+ && (uintptr_t) _Unwind_GetBSP (_context) - (_adj) \
+ >= (uintptr_t)(((long *)(_jmpbuf))[17]) - (_adj))); \
+ })
+
+#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
+ ((uintptr_t)(_address) - (_adj) < (uintptr_t)(((long *)_jmpbuf)[0]) - (_adj))
+
+/* We use a longjmp() which can cross from the alternate signal-stack
+ to the normal stack. */
+extern void __libc_unwind_longjmp (sigjmp_buf env, int val)
+ __attribute__ ((noreturn));
+hidden_proto (__libc_unwind_longjmp)