1 files changed, 23 insertions, 0 deletions
diff --git a/boot/sigvec.S b/boot/sigvec.S
new file mode 100644
index 00000000..cc7bb94e
--- /dev/null
+++ b/boot/sigvec.S
@@ -0,0 +1,23 @@
+#include <i386/asm.h>
+
+.text
+ENTRY(sigreturn)
+	movl $0x67,%eax
+	lcall $0x7,$0x0
+	jb error
+	ret
+ENTRY(_sigreturn)
+	addl $0xc,%esp
+	call EXT(sigreturn)
+	ret
+ENTRY(sigvec)
+	movl $0x6c,%eax
+	movl $EXT(_sigreturn),%edx
+	orl $0x80000000,%edx
+	lcall $0x7,$0x0
+	jb error
+	ret
+error:
+        movl %eax,EXT(errno)
+        movl $-1,%eax
+        ret