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authorJakub Jelinek <jakub@redhat.com>2004-10-06 09:22:13 +0000
committerJakub Jelinek <jakub@redhat.com>2004-10-06 09:22:13 +0000
commit8d5be89424e466635b8294b37226878c1a9fe1eb (patch)
treecedf82c1cdf6ab664401e90b7e4241ade6bcc347
parent0caba1fbdb2bb0d78bbf3a9cf4d227ad1c1f8f86 (diff)
* sysdeps/s390/jmpbuf-unwind.h: Include bits/wordsize.h.
(JMPBUF_CFA_UNWINDS_ADJ): Subtract 96 resp. 160 bytes from CFA.
-rw-r--r--nptl/ChangeLog6
-rw-r--r--nptl/sysdeps/s390/jmpbuf-unwind.h13
2 files changed, 15 insertions, 4 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 287e8b6b2a..f48085822c 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,9 @@
+2004-10-06 Jakub Jelinek <jakub@redhat.com>
+
+ * sysdeps/s390/jmpbuf-unwind.h: Include bits/wordsize.h.
+ (JMPBUF_CFA_UNWINDS_ADJ): Subtract 96 resp. 160 bytes from
+ CFA.
+
2004-10-06 Ulrich Drepper <drepper@redhat.com>
* tst-cancel4.c (tf_msgrcv): Check for failure in msgget. If the
diff --git a/nptl/sysdeps/s390/jmpbuf-unwind.h b/nptl/sysdeps/s390/jmpbuf-unwind.h
index 19d0729a94..9f7e1ad583 100644
--- a/nptl/sysdeps/s390/jmpbuf-unwind.h
+++ b/nptl/sysdeps/s390/jmpbuf-unwind.h
@@ -20,13 +20,18 @@
#include <setjmp.h>
#include <stdint.h>
#include <unwind.h>
+#include <bits/wordsize.h>
+/* On s390{,x}, CFA is always 96 (resp. 160) bytes above actual
+ %r15. */
#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
- _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
+ _JMPBUF_UNWINDS_ADJ (_jmpbuf, \
+ (void *) (_Unwind_GetCFA (_context) \
+ - 32 - 2 * __WORDSIZE), _adj)
-#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
- ((uintptr_t) (_address) - (_adj) \
+#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
+ ((uintptr_t) (_address) - (_adj) \
< (uintptr_t) (_jmpbuf)->__gregs[__JB_GPR15] - (_adj))
-/* We use the normal lobngjmp for unwinding. */
+/* We use the normal longjmp for unwinding. */
#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)