| // Copyright 2014 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() *mcontext { |
| return (*mcontext)(unsafe.Pointer(&(*ucontext)(c.ctxt).uc_mcontext)) |
| } |
| |
| func (c *sigctxt) rax() uint64 { return uint64(c.regs().gregs[_REG_RAX]) } |
| func (c *sigctxt) rbx() uint64 { return uint64(c.regs().gregs[_REG_RBX]) } |
| func (c *sigctxt) rcx() uint64 { return uint64(c.regs().gregs[_REG_RCX]) } |
| func (c *sigctxt) rdx() uint64 { return uint64(c.regs().gregs[_REG_RDX]) } |
| func (c *sigctxt) rdi() uint64 { return uint64(c.regs().gregs[_REG_RDI]) } |
| func (c *sigctxt) rsi() uint64 { return uint64(c.regs().gregs[_REG_RSI]) } |
| func (c *sigctxt) rbp() uint64 { return uint64(c.regs().gregs[_REG_RBP]) } |
| func (c *sigctxt) rsp() uint64 { return uint64(c.regs().gregs[_REG_RSP]) } |
| func (c *sigctxt) r8() uint64 { return uint64(c.regs().gregs[_REG_R8]) } |
| func (c *sigctxt) r9() uint64 { return uint64(c.regs().gregs[_REG_R9]) } |
| func (c *sigctxt) r10() uint64 { return uint64(c.regs().gregs[_REG_R10]) } |
| func (c *sigctxt) r11() uint64 { return uint64(c.regs().gregs[_REG_R11]) } |
| func (c *sigctxt) r12() uint64 { return uint64(c.regs().gregs[_REG_R12]) } |
| func (c *sigctxt) r13() uint64 { return uint64(c.regs().gregs[_REG_R13]) } |
| func (c *sigctxt) r14() uint64 { return uint64(c.regs().gregs[_REG_R14]) } |
| func (c *sigctxt) r15() uint64 { return uint64(c.regs().gregs[_REG_R15]) } |
| |
| //go:nosplit |
| //go:nowritebarrierrec |
| func (c *sigctxt) rip() uint64 { return uint64(c.regs().gregs[_REG_RIP]) } |
| |
| func (c *sigctxt) rflags() uint64 { return uint64(c.regs().gregs[_REG_RFLAGS]) } |
| func (c *sigctxt) cs() uint64 { return uint64(c.regs().gregs[_REG_CS]) } |
| func (c *sigctxt) fs() uint64 { return uint64(c.regs().gregs[_REG_FS]) } |
| func (c *sigctxt) gs() uint64 { return uint64(c.regs().gregs[_REG_GS]) } |
| func (c *sigctxt) sigcode() uint64 { return uint64(c.info.si_code) } |
| func (c *sigctxt) sigaddr() uint64 { return *(*uint64)(unsafe.Pointer(&c.info.__data[0])) } |
| |
| func (c *sigctxt) set_rip(x uint64) { c.regs().gregs[_REG_RIP] = int64(x) } |
| func (c *sigctxt) set_rsp(x uint64) { c.regs().gregs[_REG_RSP] = int64(x) } |
| func (c *sigctxt) set_sigcode(x uint64) { c.info.si_code = int32(x) } |
| func (c *sigctxt) set_sigaddr(x uint64) { |
| *(*uintptr)(unsafe.Pointer(&c.info.__data[0])) = uintptr(x) |
| } |
