summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/i386
diff options
context:
space:
mode:
Diffstat (limited to 'libc/sysdeps/linux/i386')
-rw-r--r--libc/sysdeps/linux/i386/jmpbuf-unwind.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/i386/jmpbuf-unwind.h b/libc/sysdeps/linux/i386/jmpbuf-unwind.h
index 8b75dce5c..4516d9398 100644
--- a/libc/sysdeps/linux/i386/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/i386/jmpbuf-unwind.h
@@ -10,3 +10,14 @@
containing a local 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