| // 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 ( |
| "internal/goarch" |
| "unsafe" |
| ) |
| |
| type sigctxt struct { |
| info *siginfo |
| ctxt unsafe.Pointer |
| } |
| |
| //go:nosplit |
| //go:nowritebarrierrec |
| func (c *sigctxt) regs() *sigcontext { return &(*ucontext)(c.ctxt).uc_mcontext } |
| |
| func (c *sigctxt) eax() uint32 { return c.regs().eax } |
| func (c *sigctxt) ebx() uint32 { return c.regs().ebx } |
| func (c *sigctxt) ecx() uint32 { return c.regs().ecx } |
| func (c *sigctxt) edx() uint32 { return c.regs().edx } |
| func (c *sigctxt) edi() uint32 { return c.regs().edi } |
| func (c *sigctxt) esi() uint32 { return c.regs().esi } |
| func (c *sigctxt) ebp() uint32 { return c.regs().ebp } |
| func (c *sigctxt) esp() uint32 { return c.regs().esp } |
| |
| //go:nosplit |
| //go:nowritebarrierrec |
| func (c *sigctxt) eip() uint32 { return c.regs().eip } |
| |
| func (c *sigctxt) eflags() uint32 { return c.regs().eflags } |
| func (c *sigctxt) cs() uint32 { return uint32(c.regs().cs) } |
| func (c *sigctxt) fs() uint32 { return uint32(c.regs().fs) } |
| func (c *sigctxt) gs() uint32 { return uint32(c.regs().gs) } |
| func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) } |
| func (c *sigctxt) sigaddr() uint32 { return c.info.si_addr } |
| |
| func (c *sigctxt) set_eip(x uint32) { c.regs().eip = x } |
| func (c *sigctxt) set_esp(x uint32) { c.regs().esp = x } |
| func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) } |
| func (c *sigctxt) set_sigaddr(x uint32) { |
| *(*uintptr)(add(unsafe.Pointer(c.info), 2*goarch.PtrSize)) = uintptr(x) |
| } |
