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-rw-r--r--libc/sysdeps/linux/alpha/jmpbuf-unwind.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/alpha/jmpbuf-unwind.h b/libc/sysdeps/linux/alpha/jmpbuf-unwind.h
index 168df5bc2..80fe8b37d 100644
--- a/libc/sysdeps/linux/alpha/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/alpha/jmpbuf-unwind.h
@@ -10,3 +10,14 @@
variable at ADDRESS. */
#define _JMPBUF_UNWINDS(_jmpbuf, _address) \
((void *)(_address) < (void *)((_jmpbuf)[JB_SP]))
+
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+#include <stdint.h>
+#include <unwind.h>
+
+#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)[JB_SP] - (_adj))
+#endif