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https://github.com/golang/go
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b2a950bb73
Rename "gothrow" to "throw" now that the C version of "throw" is no longer needed. This change is purely mechanical except in panic.go where the old version of "throw" has been deleted. sed -i "" 's/[[:<:]]gothrow[[:>:]]/throw/g' runtime/*.go Change-Id: Icf0752299c35958b92870a97111c67bcd9159dc3 Reviewed-on: https://go-review.googlesource.com/2150 Reviewed-by: Minux Ma <minux@golang.org> Reviewed-by: Dave Cheney <dave@cheney.net>
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build darwin dragonfly freebsd linux netbsd openbsd solaris
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package runtime
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func sigpanic() {
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g := getg()
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if !canpanic(g) {
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throw("unexpected signal during runtime execution")
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}
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switch g.sig {
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case _SIGBUS:
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if g.sigcode0 == _BUS_ADRERR && g.sigcode1 < 0x1000 || g.paniconfault {
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panicmem()
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}
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print("unexpected fault address ", hex(g.sigcode1), "\n")
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throw("fault")
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case _SIGSEGV:
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if (g.sigcode0 == 0 || g.sigcode0 == _SEGV_MAPERR || g.sigcode0 == _SEGV_ACCERR) && g.sigcode1 < 0x1000 || g.paniconfault {
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panicmem()
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}
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print("unexpected fault address ", hex(g.sigcode1), "\n")
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throw("fault")
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case _SIGFPE:
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switch g.sigcode0 {
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case _FPE_INTDIV:
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panicdivide()
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case _FPE_INTOVF:
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panicoverflow()
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}
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panicfloat()
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}
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if g.sig >= uint32(len(sigtable)) {
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// can't happen: we looked up g.sig in sigtable to decide to call sigpanic
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throw("unexpected signal value")
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}
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panic(errorString(sigtable[g.sig].name))
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}
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