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author | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 11:54:00 -0700 |
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committer | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 11:54:00 -0700 |
commit | f154da9e12608589e8d5f0508f908a0c3e88a1bb (patch) | |
tree | f8255d51e10c6f1e0ed69702200b966c9556a431 /src/runtime/sigpanic_unix.go | |
parent | 8d8329ed5dfb9622c82a9fbec6fd99a580f9c9f6 (diff) | |
download | golang-f154da9e12608589e8d5f0508f908a0c3e88a1bb.tar.gz |
Imported Upstream version 1.4upstream/1.4
Diffstat (limited to 'src/runtime/sigpanic_unix.go')
-rw-r--r-- | src/runtime/sigpanic_unix.go | 40 |
1 files changed, 40 insertions, 0 deletions
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)))) +} |