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) }

//go:nosplit
//go:nowritebarrierrec
func (c *sigctxt) pc() uint64 { return c.regs().mc_gpregs.gp_elr }

func (c *sigctxt) fault() uintptr { return uintptr(c.info.si_addr) }

func (c *sigctxt) sigcode() uint64 { return uint64(c.info.si_code) }
func (c *sigctxt) sigaddr() uint64 { return c.info.si_addr }

func (c *sigctxt) set_pc(x uint64)  { c.regs().mc_gpregs.gp_elr = x }
func (c *sigctxt) set_sp(x uint64)  { c.regs().mc_gpregs.gp_sp = x }

func (c *sigctxt) fault() uintptr { return uintptr(c.regs().fault_address) }

func (c *sigctxt) sigcode() uint64 { return uint64(c.info.si_code) }
func (c *sigctxt) sigaddr() uint64 { return c.info.si_addr }

func (c *sigctxt) set_pc(x uint64)  { c.regs().pc = x }
func (c *sigctxt) set_sp(x uint64)  { c.regs().sp = x }
func (c *sigctxt) set_lr(x uint64)  { c.regs().regs[30] = x }

func (c *sigctxt) hi() uint32        { return uint32(c.regs().sc_mdhi) }

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_r30(x uint32)  { c.regs().sc_regs[30] = uint64(x) }
func (c *sigctxt) set_pc(x uint32)   { c.regs().sc_pc = uint64(x) }

func (c *sigctxt) setsigpc(x uint64) { c.set_rip(x) }
func (c *sigctxt) sigsp() uintptr    { return uintptr(c.rsp()) }
func (c *sigctxt) siglr() uintptr    { return 0 }
func (c *sigctxt) fault() uintptr    { return uintptr(c.sigaddr()) }

// preparePanic sets up the stack to look like a call to sigpanic.
func (c *sigctxt) preparePanic(sig uint32, gp *g) {
	// Work around Leopard bug that doesn't set FPE_INTDIV.

func (c *sigctxt) sigcode() uint64 { return uint64(c.info.si_code) }
func (c *sigctxt) sigaddr() uint64 { return c.info.si_addr }

func (c *sigctxt) set_rip(x uint64)     { c.regs().rip = x }
func (c *sigctxt) set_rsp(x uint64)     { c.regs().rsp = x }
func (c *sigctxt) set_sigcode(x uint64) { c.info.si_code = int32(x) }
func (c *sigctxt) set_sigaddr(x uint64) { c.info.si_addr = x }

//go:nosplit
func (c *sigctxt) fixsigcode(sig uint32) {
	switch sig {

//go:nowritebarrierrec
func (c *sigctxt) pc() uint64 { return c.regs().pc }

func (c *sigctxt) fault() uintptr { return uintptr(unsafe.Pointer(c.info.si_addr)) }

func (c *sigctxt) sigcode() uint64 { return uint64(c.info.si_code) }
func (c *sigctxt) sigaddr() uint64 { return uint64(uintptr(unsafe.Pointer(c.info.si_addr))) }

func (c *sigctxt) set_pc(x uint64)  { c.regs().pc = x }
func (c *sigctxt) set_sp(x uint64)  { c.regs().sp = x }

func (c *sigctxt) sigsp() uintptr { return uintptr(c.sp()) }
func (c *sigctxt) siglr() uintptr { return uintptr(c.link()) }
func (c *sigctxt) fault() uintptr { return uintptr(c.sigaddr()) }

// preparePanic sets up the stack to look like a call to sigpanic.
func (c *sigctxt) preparePanic(sig uint32, gp *g) {
	// We arrange link, and pc to pretend the panicking
	// function calls sigpanic directly.

func (c *sigctxt) pc() uint64 { return c.regs().sc_pc }

func (c *sigctxt) link() uint64 { return c.regs().sc_regs[1] }

func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
func (c *sigctxt) sigaddr() uint64 { return c.info.si_addr }

func (c *sigctxt) set_r31(x uint64)  { c.regs().sc_regs[31] = x }
func (c *sigctxt) set_r22(x uint64)  { c.regs().sc_regs[22] = x }
func (c *sigctxt) set_pc(x uint64)   { c.regs().sc_pc = x }

func (c *sigctxt) lo() uint64   { return c.regs().sc_mdlo }
func (c *sigctxt) hi() uint64   { return c.regs().sc_mdhi }

func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
func (c *sigctxt) sigaddr() uint64 { return c.info.si_addr }

func (c *sigctxt) set_r28(x uint64)  { c.regs().sc_regs[28] = x }
func (c *sigctxt) set_r30(x uint64)  { c.regs().sc_regs[30] = x }
func (c *sigctxt) set_pc(x uint64)   { c.regs().sc_pc = x }