mirror of
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41 lines
1010 B
Go
41 lines
1010 B
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 signame(int32) *byte
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func sigpanic() {
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g := getg()
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if !canpanic(g) {
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gothrow("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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gothrow("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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gothrow("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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panic(errorString(gostringnocopy(signame(g.sig))))
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}
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