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Diffstat (limited to 'libc/sysdeps/linux/csky/jmpbuf-unwind.h')
-rw-r--r--libc/sysdeps/linux/csky/jmpbuf-unwind.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/csky/jmpbuf-unwind.h b/libc/sysdeps/linux/csky/jmpbuf-unwind.h
new file mode 100644
index 000000000..30e39f451
--- /dev/null
+++ b/libc/sysdeps/linux/csky/jmpbuf-unwind.h
@@ -0,0 +1,15 @@
+#include <setjmp.h>
+#include <stdint.h>
+#include <unwind.h>
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
+ ((void *) (address) < (void *) demangle (jmpbuf[0].__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[0].__sp) - (_adj))
+