signal_netbsd_386.go

Documentation: runtime

     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 "unsafe"
     8  
     9  type sigctxt struct {
    10  	info *siginfo
    11  	ctxt unsafe.Pointer
    12  }
    13  
    14  //go:nosplit
    15  //go:nowritebarrierrec
    16  func (c *sigctxt) regs() *mcontextt { return &(*ucontextt)(c.ctxt).uc_mcontext }
    17  
    18  func (c *sigctxt) eax() uint32 { return c.regs().__gregs[_REG_EAX] }
    19  func (c *sigctxt) ebx() uint32 { return c.regs().__gregs[_REG_EBX] }
    20  func (c *sigctxt) ecx() uint32 { return c.regs().__gregs[_REG_ECX] }
    21  func (c *sigctxt) edx() uint32 { return c.regs().__gregs[_REG_EDX] }
    22  func (c *sigctxt) edi() uint32 { return c.regs().__gregs[_REG_EDI] }
    23  func (c *sigctxt) esi() uint32 { return c.regs().__gregs[_REG_ESI] }
    24  func (c *sigctxt) ebp() uint32 { return c.regs().__gregs[_REG_EBP] }
    25  func (c *sigctxt) esp() uint32 { return c.regs().__gregs[_REG_UESP] }
    26  
    27  //go:nosplit
    28  //go:nowritebarrierrec
    29  func (c *sigctxt) eip() uint32 { return c.regs().__gregs[_REG_EIP] }
    30  
    31  func (c *sigctxt) eflags() uint32  { return c.regs().__gregs[_REG_EFL] }
    32  func (c *sigctxt) cs() uint32      { return c.regs().__gregs[_REG_CS] }
    33  func (c *sigctxt) fs() uint32      { return c.regs().__gregs[_REG_FS] }
    34  func (c *sigctxt) gs() uint32      { return c.regs().__gregs[_REG_GS] }
    35  func (c *sigctxt) sigcode() uint32 { return uint32(c.info._code) }
    36  func (c *sigctxt) sigaddr() uint32 {
    37  	return *(*uint32)(unsafe.Pointer(&c.info._reason[0]))
    38  }
    39  
    40  func (c *sigctxt) set_eip(x uint32)     { c.regs().__gregs[_REG_EIP] = x }
    41  func (c *sigctxt) set_esp(x uint32)     { c.regs().__gregs[_REG_UESP] = x }
    42  func (c *sigctxt) set_sigcode(x uint32) { c.info._code = int32(x) }
    43  func (c *sigctxt) set_sigaddr(x uint32) {
    44  	*(*uint32)(unsafe.Pointer(&c.info._reason[0])) = x
    45  }
    46
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