Patch from Martin Proulx <mproulx@okiok.com> to support

the i960 architecture.

1 files changed, 33 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/i960/bits/setjmp.h b/libc/sysdeps/linux/i960/bits/setjmp.h
new file mode 100644
index 000000000..29fe2439f
--- /dev/null
+++ b/libc/sysdeps/linux/i960/bits/setjmp.h
@@ -0,0 +1,33 @@
+/* Define the machine-dependent type `jmp_buf'.  i960 version.  */
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+/*
+ * assume that every single local and global register
+ * must be saved.
+ *
+ * ___SAVEREGS is the number of quads to save.
+ *
+ * Using the structure will guarantee quad-word alignment for the
+ * jmp_buf type.
+ */
+
+#define ___SAVEREGS 8
+
+typedef struct __jmp_buf__ {
+  long _q0;
+  long _q1;
+  long _q2;
+  long _q3;
+} __attribute__ ((aligned (16))) __jmp_buf[___SAVEREGS] ;
+
+/* I have not yet figured out what this should be for the i960... */
+
+#if 0
+/* Test if longjmp to JMPBUF would unwind the frame
+   containing a local variable at ADDRESS.  */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+  ((void *) (address) < (jmpbuf)[0].__sp)
+#endif