github.com/4ad/go@v0.0.0-20161219182952-69a12818b605/src/runtime/signal_openbsd_386.go (about)

     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  func (c *sigctxt) regs() *sigcontext {
    15  	return (*sigcontext)(c.ctxt)
    16  }
    17  
    18  func (c *sigctxt) eax() uint32     { return c.regs().sc_eax }
    19  func (c *sigctxt) ebx() uint32     { return c.regs().sc_ebx }
    20  func (c *sigctxt) ecx() uint32     { return c.regs().sc_ecx }
    21  func (c *sigctxt) edx() uint32     { return c.regs().sc_edx }
    22  func (c *sigctxt) edi() uint32     { return c.regs().sc_edi }
    23  func (c *sigctxt) esi() uint32     { return c.regs().sc_esi }
    24  func (c *sigctxt) ebp() uint32     { return c.regs().sc_ebp }
    25  func (c *sigctxt) esp() uint32     { return c.regs().sc_esp }
    26  func (c *sigctxt) eip() uint32     { return c.regs().sc_eip }
    27  func (c *sigctxt) eflags() uint32  { return c.regs().sc_eflags }
    28  func (c *sigctxt) cs() uint32      { return c.regs().sc_cs }
    29  func (c *sigctxt) fs() uint32      { return c.regs().sc_fs }
    30  func (c *sigctxt) gs() uint32      { return c.regs().sc_gs }
    31  func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
    32  func (c *sigctxt) sigaddr() uint32 {
    33  	return *(*uint32)(add(unsafe.Pointer(c.info), 12))
    34  }
    35  
    36  func (c *sigctxt) set_eip(x uint32)     { c.regs().sc_eip = x }
    37  func (c *sigctxt) set_esp(x uint32)     { c.regs().sc_esp = x }
    38  func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
    39  func (c *sigctxt) set_sigaddr(x uint32) {
    40  	*(*uint32)(add(unsafe.Pointer(c.info), 12)) = x
    41  }