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      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() *excregs386 { return &(*exccontext)(c.ctxt).regs }
     17 
     18 func (c *sigctxt) eax() uint32 { return c.regs().eax }
     19 func (c *sigctxt) ebx() uint32 { return c.regs().ebx }
     20 func (c *sigctxt) ecx() uint32 { return c.regs().ecx }
     21 func (c *sigctxt) edx() uint32 { return c.regs().edx }
     22 func (c *sigctxt) edi() uint32 { return c.regs().edi }
     23 func (c *sigctxt) esi() uint32 { return c.regs().esi }
     24 func (c *sigctxt) ebp() uint32 { return c.regs().ebp }
     25 func (c *sigctxt) esp() uint32 { return c.regs().esp }
     26 
     27 //go:nosplit
     28 //go:nowritebarrierrec
     29 func (c *sigctxt) eip() uint32 { return c.regs().eip }
     30 
     31 func (c *sigctxt) eflags() uint32  { return c.regs().eflags }
     32 func (c *sigctxt) cs() uint32      { return ^uint32(0) }
     33 func (c *sigctxt) fs() uint32      { return ^uint32(0) }
     34 func (c *sigctxt) gs() uint32      { return ^uint32(0) }
     35 func (c *sigctxt) sigcode() uint32 { return ^uint32(0) }
     36 func (c *sigctxt) sigaddr() uint32 { return 0 }
     37 
     38 func (c *sigctxt) set_eip(x uint32)     { c.regs().eip = x }
     39 func (c *sigctxt) set_esp(x uint32)     { c.regs().esp = x }
     40 func (c *sigctxt) set_sigcode(x uint32) {}
     41 func (c *sigctxt) set_sigaddr(x uint32) {}
     42