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https://github.com/golang/go
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432cb66f16
runtime/internal/sys will hold system-, architecture- and config- specific constants. Updates #11647 Change-Id: I6db29c312556087a42e8d2bdd9af40d157c56b54 Reviewed-on: https://go-review.googlesource.com/16817 Reviewed-by: Russ Cox <rsc@golang.org>
40 lines
1.6 KiB
Go
40 lines
1.6 KiB
Go
// Copyright 2013 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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package runtime
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import (
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"runtime/internal/sys"
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"unsafe"
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)
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type sigctxt struct {
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info *siginfo
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ctxt unsafe.Pointer
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}
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func (c *sigctxt) regs() *sigcontext { return &(*ucontext)(c.ctxt).uc_mcontext }
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func (c *sigctxt) eax() uint32 { return c.regs().eax }
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func (c *sigctxt) ebx() uint32 { return c.regs().ebx }
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func (c *sigctxt) ecx() uint32 { return c.regs().ecx }
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func (c *sigctxt) edx() uint32 { return c.regs().edx }
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func (c *sigctxt) edi() uint32 { return c.regs().edi }
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func (c *sigctxt) esi() uint32 { return c.regs().esi }
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func (c *sigctxt) ebp() uint32 { return c.regs().ebp }
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func (c *sigctxt) esp() uint32 { return c.regs().esp }
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func (c *sigctxt) eip() uint32 { return c.regs().eip }
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func (c *sigctxt) eflags() uint32 { return c.regs().eflags }
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func (c *sigctxt) cs() uint32 { return uint32(c.regs().cs) }
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func (c *sigctxt) fs() uint32 { return uint32(c.regs().fs) }
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func (c *sigctxt) gs() uint32 { return uint32(c.regs().gs) }
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func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
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func (c *sigctxt) sigaddr() uint32 { return c.info.si_addr }
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func (c *sigctxt) set_eip(x uint32) { c.regs().eip = x }
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func (c *sigctxt) set_esp(x uint32) { c.regs().esp = x }
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func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
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func (c *sigctxt) set_sigaddr(x uint32) {
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*(*uintptr)(add(unsafe.Pointer(c.info), 2*sys.PtrSize)) = uintptr(x)
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}
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