Source file src/pkg/runtime/signal_linux_386.go

     1	// Copyright 2013 The Go Authors. All rights reserved.
     2	// Use of this source code is governed by a BSD-style
     3	// license that can be found in the LICENSE file.
     4	
     5	package runtime
     6	
     7	import (
     8		"runtime/internal/sys"
     9		"unsafe"
    10	)
    11	
    12	type sigctxt struct {
    13		info *siginfo
    14		ctxt unsafe.Pointer
    15	}
    16	
    17	//go:nosplit
    18	//go:nowritebarrierrec
    19	func (c *sigctxt) regs() *sigcontext { return &(*ucontext)(c.ctxt).uc_mcontext }
    20	
    21	func (c *sigctxt) eax() uint32 { return c.regs().eax }
    22	func (c *sigctxt) ebx() uint32 { return c.regs().ebx }
    23	func (c *sigctxt) ecx() uint32 { return c.regs().ecx }
    24	func (c *sigctxt) edx() uint32 { return c.regs().edx }
    25	func (c *sigctxt) edi() uint32 { return c.regs().edi }
    26	func (c *sigctxt) esi() uint32 { return c.regs().esi }
    27	func (c *sigctxt) ebp() uint32 { return c.regs().ebp }
    28	func (c *sigctxt) esp() uint32 { return c.regs().esp }
    29	
    30	//go:nosplit
    31	//go:nowritebarrierrec
    32	func (c *sigctxt) eip() uint32 { return c.regs().eip }
    33	
    34	func (c *sigctxt) eflags() uint32  { return c.regs().eflags }
    35	func (c *sigctxt) cs() uint32      { return uint32(c.regs().cs) }
    36	func (c *sigctxt) fs() uint32      { return uint32(c.regs().fs) }
    37	func (c *sigctxt) gs() uint32      { return uint32(c.regs().gs) }
    38	func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
    39	func (c *sigctxt) sigaddr() uint32 { return c.info.si_addr }
    40	
    41	func (c *sigctxt) set_eip(x uint32)     { c.regs().eip = x }
    42	func (c *sigctxt) set_esp(x uint32)     { c.regs().esp = x }
    43	func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
    44	func (c *sigctxt) set_sigaddr(x uint32) {
    45		*(*uintptr)(add(unsafe.Pointer(c.info), 2*sys.PtrSize)) = uintptr(x)
    46	}
    47	

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