| // Copyright 2013 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package runtime |
| |
| import "unsafe" |
| |
| type sigctxt struct { |
| info *siginfo |
| ctxt unsafe.Pointer |
| } |
| |
| //go:nosplit |
| //go:nowritebarrierrec |
| func (c *sigctxt) regs() *mcontextt { return &(*ucontextt)(c.ctxt).uc_mcontext } |
| |
| func (c *sigctxt) eax() uint32 { return c.regs().__gregs[_REG_EAX] } |
| func (c *sigctxt) ebx() uint32 { return c.regs().__gregs[_REG_EBX] } |
| func (c *sigctxt) ecx() uint32 { return c.regs().__gregs[_REG_ECX] } |
| func (c *sigctxt) edx() uint32 { return c.regs().__gregs[_REG_EDX] } |
| func (c *sigctxt) edi() uint32 { return c.regs().__gregs[_REG_EDI] } |
| func (c *sigctxt) esi() uint32 { return c.regs().__gregs[_REG_ESI] } |
| func (c *sigctxt) ebp() uint32 { return c.regs().__gregs[_REG_EBP] } |
| func (c *sigctxt) esp() uint32 { return c.regs().__gregs[_REG_UESP] } |
| |
| //go:nosplit |
| //go:nowritebarrierrec |
| func (c *sigctxt) eip() uint32 { return c.regs().__gregs[_REG_EIP] } |
| |
| func (c *sigctxt) eflags() uint32 { return c.regs().__gregs[_REG_EFL] } |
| func (c *sigctxt) cs() uint32 { return c.regs().__gregs[_REG_CS] } |
| func (c *sigctxt) fs() uint32 { return c.regs().__gregs[_REG_FS] } |
| func (c *sigctxt) gs() uint32 { return c.regs().__gregs[_REG_GS] } |
| func (c *sigctxt) sigcode() uint32 { return uint32(c.info._code) } |
| func (c *sigctxt) sigaddr() uint32 { |
| return *(*uint32)(unsafe.Pointer(&c.info._reason[0])) |
| } |
| |
| func (c *sigctxt) set_eip(x uint32) { c.regs().__gregs[_REG_EIP] = x } |
| func (c *sigctxt) set_esp(x uint32) { c.regs().__gregs[_REG_UESP] = x } |
| func (c *sigctxt) set_sigcode(x uint32) { c.info._code = int32(x) } |
| func (c *sigctxt) set_sigaddr(x uint32) { |
| *(*uint32)(unsafe.Pointer(&c.info._reason[0])) = x |
| } |
