From f154da9e12608589e8d5f0508f908a0c3e88a1bb Mon Sep 17 00:00:00 2001
From: Tianon Gravi <admwiggin@gmail.com>
Date: Thu, 15 Jan 2015 11:54:00 -0700
Subject: Imported Upstream version 1.4

---
 src/runtime/sigpanic_unix.go | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/runtime/sigpanic_unix.go

(limited to 'src/runtime/sigpanic_unix.go')

diff --git a/src/runtime/sigpanic_unix.go b/src/runtime/sigpanic_unix.go
new file mode 100644
index 000000000..68079859b
--- /dev/null
+++ b/src/runtime/sigpanic_unix.go
@@ -0,0 +1,40 @@
+// Copyright 2014 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+
+package runtime
+
+func signame(int32) *byte
+
+func sigpanic() {
+	g := getg()
+	if !canpanic(g) {
+		gothrow("unexpected signal during runtime execution")
+	}
+
+	switch g.sig {
+	case _SIGBUS:
+		if g.sigcode0 == _BUS_ADRERR && g.sigcode1 < 0x1000 || g.paniconfault {
+			panicmem()
+		}
+		print("unexpected fault address ", hex(g.sigcode1), "\n")
+		gothrow("fault")
+	case _SIGSEGV:
+		if (g.sigcode0 == 0 || g.sigcode0 == _SEGV_MAPERR || g.sigcode0 == _SEGV_ACCERR) && g.sigcode1 < 0x1000 || g.paniconfault {
+			panicmem()
+		}
+		print("unexpected fault address ", hex(g.sigcode1), "\n")
+		gothrow("fault")
+	case _SIGFPE:
+		switch g.sigcode0 {
+		case _FPE_INTDIV:
+			panicdivide()
+		case _FPE_INTOVF:
+			panicoverflow()
+		}
+		panicfloat()
+	}
+	panic(errorString(gostringnocopy(signame(g.sig))))
+}
-- 
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