1 files changed, 23 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h
index e51f81a5a0..b15fc5e90b 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h
@@ -21,6 +21,10 @@
 # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
 #endif
 
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 64
+
 #include <sys/ucontext.h>
 
 typedef ucontext_t __jmp_buf[1];
@@ -29,3 +33,22 @@ typedef ucontext_t __jmp_buf[1];
    containing a local variable at ADDRESS.  */
 #define _JMPBUF_UNWINDS(jmpbuf, address) \
   ((unsigned long int) (address) < (jmpbuf)->uc_mcontext.mc_fp)
+
+#else
+
+#if defined __USE_MISC || defined _ASM
+# define JB_SP  0
+# define JB_FP  1
+# define JB_PC  2
+#endif
+
+#ifndef _ASM
+typedef int __jmp_buf[3];
+#endif
+
+/* Test if longjmp to JMPBUF would unwind the frame
+   containing a local variable at ADDRESS.  */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+  ((int) (address) < (jmpbuf)[JB_SP])
+
+#endif