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authorVineet Gupta <vgupta@synopsys.com>2014-07-25 17:39:05 +0530
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2014-08-18 11:52:34 +0200
commit873fa5beccbb4e95d1bbb9afb6a0eec02811f09b (patch)
tree17ceb2c595fe9a491f3e7fa91d7c379babf2c356 /libc/sysdeps/linux/arc/jmpbuf-unwind.h
parent6915b3a6b96e8e34601941c0eb7519cde1c0f999 (diff)
NPTL: ARC support
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc/sysdeps/linux/arc/jmpbuf-unwind.h')
-rw-r--r--libc/sysdeps/linux/arc/jmpbuf-unwind.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/arc/jmpbuf-unwind.h b/libc/sysdeps/linux/arc/jmpbuf-unwind.h
index e4ed8fe75..8c41816c5 100644
--- a/libc/sysdeps/linux/arc/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/arc/jmpbuf-unwind.h
@@ -11,3 +11,20 @@
containing a local variable at ADDRESS. */
#define _JMPBUF_UNWINDS(jmpbuf, address) \
((void *) (address) < (void *) (jmpbuf[__JMP_BUF_SP]))
+
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+#include <stdint.h>
+#include <unwind.h>
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#undef _JMPBUF_UNWINDS
+#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
+ ((void *) (address) < (void *) demangle (jmpbuf[__JMP_BUF_SP]))
+
+#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
+ _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
+
+#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
+ ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[__JMP_BUF_SP] - (_adj))
+#endif