}

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

func (c *sigctxt) set_pc(x uint64)  { c.regs().sc_elr = uintptr(x) }
func (c *sigctxt) set_sp(x uint64)  { c.regs().sc_sp = uintptr(x) }
func (c *sigctxt) set_lr(x uint64)  { c.regs().sc_lr = uintptr(x) }
func (c *sigctxt) set_r28(x uint64) { c.regs().sc_x[28] = uintptr(x) }

	// anyway.
	sp := c.sp() - sys.MinFrameSize
	c.set_sp(sp)
	*(*uint32)(unsafe.Pointer(uintptr(sp))) = c.link()

	pc := gp.sigpc

	if shouldPushSigpanic(gp, pc, uintptr(c.link())) {
		// Make it look the like faulting PC called sigpanic.
		c.set_link(uint32(pc))
	}

	// In case we are panicking from external C code
	c.set_r30(uint32(uintptr(unsafe.Pointer(gp))))
	c.set_pc(uint32(abi.FuncPCABIInternal(sigpanic)))
}

	// anyway.
	sp := c.sp() - sys.MinFrameSize
	c.set_sp(sp)
	*(*uint64)(unsafe.Pointer(uintptr(sp))) = c.link()

	pc := gp.sigpc

	if shouldPushSigpanic(gp, pc, uintptr(c.link())) {
		// Make it look the like faulting PC called sigpanic.
		c.set_link(uint64(pc))
	}

	// In case we are panicking from external C code
	c.set_r0(0)
	c.set_r30(uint64(uintptr(unsafe.Pointer(gp))))

	c.set_r30(uint64(uintptr(unsafe.Pointer(gp))))
	c.set_pc(sigpanicPC)
}

func (c *sigctxt) pushCall(targetPC, resumePC uintptr) {
	// Push the LR to stack, as we'll clobber it in order to
	// push the call. The function being pushed is responsible
	// for restoring the LR and setting the SP back.
	// This extra slot is known to gentraceback.
	sp := c.sp() - 8
	c.set_sp(sp)
	*(*uint64)(unsafe.Pointer(uintptr(sp))) = c.link()

	} else {
		// Not safe to push the call. Just clobber the frame.
		c.set_eip(uint32(abi.FuncPCABIInternal(sigpanic)))
	}
}

func (c *sigctxt) pushCall(targetPC, resumePC uintptr) {
	// Make it look like we called target at resumePC.
	sp := uintptr(c.esp())
	sp -= goarch.PtrSize
	*(*uintptr)(unsafe.Pointer(sp)) = resumePC
	c.set_esp(uint32(sp))
	c.set_eip(uint32(targetPC))

		sp := unsafe.Pointer(r.sp())
		delta := uintptr(sys.StackAlign)
		sp = add(sp, -delta)
		r.set_sp(uintptr(sp))
		if usesLR {
			*((*uintptr)(sp)) = r.lr()
			r.set_lr(r.ip())
		} else {
			*((*uintptr)(sp)) = r.ip()
		}
	}
	r.set_ip(abi.FuncPCABI0(sigpanic0))
	return _EXCEPTION_CONTINUE_EXECUTION
}

// sehhandler is reached as part of the SEH chain.
//

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

func (c *sigctxt) set_pc(x uint32)  { c.regs().__gregs[15] = x }
func (c *sigctxt) set_sp(x uint32)  { c.regs().__gregs[13] = x }
func (c *sigctxt) set_lr(x uint32)  { c.regs().__gregs[14] = x }
func (c *sigctxt) set_r10(x uint32) { c.regs().__gregs[10] = x }

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_pc(x uint32)  { c.regs().pc = x }
func (c *sigctxt) set_sp(x uint32)  { c.regs().sp = x }
func (c *sigctxt) set_lr(x uint32)  { c.regs().lr = x }
func (c *sigctxt) set_r10(x uint32) { c.regs().r10 = x }

func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }

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) {

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) {