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() *mcontext { return &(*ucontext)(c.ctxt).uc_mcontext } 17 18 func (c *sigctxt) eax() uint32 { return c.regs().mc_eax } 19 func (c *sigctxt) ebx() uint32 { return c.regs().mc_ebx } 20 func (c *sigctxt) ecx() uint32 { return c.regs().mc_ecx } 21 func (c *sigctxt) edx() uint32 { return c.regs().mc_edx } 22 func (c *sigctxt) edi() uint32 { return c.regs().mc_edi } 23 func (c *sigctxt) esi() uint32 { return c.regs().mc_esi } 24 func (c *sigctxt) ebp() uint32 { return c.regs().mc_ebp } 25 func (c *sigctxt) esp() uint32 { return c.regs().mc_esp } 26 27 //go:nosplit 28 //go:nowritebarrierrec 29 func (c *sigctxt) eip() uint32 { return c.regs().mc_eip } 30 31 func (c *sigctxt) eflags() uint32 { return c.regs().mc_eflags } 32 func (c *sigctxt) cs() uint32 { return c.regs().mc_cs } 33 func (c *sigctxt) fs() uint32 { return c.regs().mc_fs } 34 func (c *sigctxt) gs() uint32 { return c.regs().mc_gs } 35 func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) } 36 func (c *sigctxt) sigaddr() uint32 { return uint32(c.info.si_addr) } 37 38 func (c *sigctxt) set_eip(x uint32) { c.regs().mc_eip = x } 39 func (c *sigctxt) set_esp(x uint32) { c.regs().mc_esp = x } 40 func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) } 41 func (c *sigctxt) set_sigaddr(x uint32) { c.info.si_addr = uintptr(x) } 42
