SYSCALL	$SYS_mincore
	NEG	R3		// caller expects negative errno
	MOVW	R3, ret+24(FP)
	RET

// func walltime() (sec int64, nsec int32)
TEXT runtime·walltime(SB),NOSPLIT,$16-12
	MOVD	R1, R15		// R15 is unchanged by C code
	MOVD	g_m(g), R21	// R21 = m

	MOVD	$0, R3		// CLOCK_REALTIME

	MOVD	runtime·vdsoClockgettimeSym(SB), R12	// Check for VDSO availability
	CMP	R12, $0
	BEQ	fallback

	STP	(R12, R13), -16(R5)
	RET

	// Copy 65..128 bytes.
copy128:
	LDP	32(R1), (R14, R15)
	LDP	48(R1), (R16, R17)
	CMP	$96, R2
	BLS	copy96
	LDP	-64(R4), (R2, R3)
	LDP	-48(R4), (R1, R4)
	STP	(R2, R3), -64(R5)
	STP	(R1, R4), -48(R5)

copy96:
	STP	(R6, R7), (R0)
	STP	(R8, R9), 16(R0)
	STP	(R14, R15), 32(R0)
	STP	(R16, R17), 48(R0)
	STP	(R10, R11), -32(R5)
	STP	(R12, R13), -16(R5)
	RET

func (c *sigctxt) r12() uint64 { return c.regs().r12 }
func (c *sigctxt) r13() uint64 { return c.regs().r13 }
func (c *sigctxt) r14() uint64 { return c.regs().r14 }
func (c *sigctxt) r15() uint64 { return c.regs().r15 }

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

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

rbx     0x1
rcx     0x33b5
rdx     0x0
rdi     0x1
rsi     0x7684
rbp     0x7684
rsp     0xafb8
r8      0x0
r9      0x0
r10     0x1002
r11     0x206
r12     0x0
r13     0x0
r14     0x7c48
r15     0xa000
rip     0x1b7d
rflags  0x10202
cs      0x27
fs      0x10
gs      0x48

	tramp.SetSize(16) // 4 instructions
	P := make([]byte, tramp.Size())
	o1 := uint32(0xe5900000 | 12<<12 | 15<<16 | 4)  // MOVW 4(R15), R12 // R15 is actual pc + 8
	o2 := uint32(0xe0800000 | 12<<12 | 15<<16 | 12) // ADD R15, R12, R12
	o3 := uint32(0xe12fff10 | 12)                   // JMP  (R12)
	o4 := uint32(0)                                 // WORD $(target-pc) // filled in with relocation

	RBX:  "RBX",
	RSP:  "RSP",
	RBP:  "RBP",
	RSI:  "RSI",
	RDI:  "RDI",
	R8:   "R8",
	R9:   "R9",
	R10:  "R10",
	R11:  "R11",
	R12:  "R12",
	R13:  "R13",
	R14:  "R14",
	R15:  "R15",
	IP:   "IP",
	EIP:  "EIP",
	RIP:  "RIP",
	F0:   "F0",
	F1:   "F1",
	F2:   "F2",
	F3:   "F3",
	F4:   "F4",
	F5:   "F5",
	F6:   "F6",
	F7:   "F7",
	M0:   "M0",
	M1:   "M1",

	VPERMI2B -17(BP)(SI*8), Z9, K4, Z3                 // 62f2354c759cf5efffffff
	VPERMI2B (R15), Z9, K4, Z3                         // 62d2354c751f
	VPERMI2B Z12, Z19, K4, Z3                          // 62d2654475dc
	VPERMI2B Z22, Z19, K4, Z3                          // 62b2654475de
	VPERMI2B -17(BP)(SI*8), Z19, K4, Z3                // 62f26544759cf5efffffff
	VPERMI2B (R15), Z19, K4, Z3                        // 62d26544751f

	MOVV R4, 8(R3)
	MOVV R5, 16(R3)
	MOVV R6, 24(R3)
	MOVV R7, 32(R3)
	MOVV R8, 40(R3)
	MOVV R9, 48(R3)
	MOVV R10, 56(R3)
	MOVV R11, 64(R3)
	MOVV R12, 72(R3)
	MOVV R13, 80(R3)
	MOVV R14, 88(R3)
	MOVV R15, 96(R3)
	MOVV R16, 104(R3)
	MOVV R17, 112(R3)
	MOVV R18, 120(R3)
	MOVV R19, 128(R3)
	MOVV R20, 136(R3)
	MOVV R21, 144(R3)
	MOVV R23, 152(R3)
	MOVV R24, 160(R3)
	MOVV R25, 168(R3)
	MOVV R26, 176(R3)

	MOVDU R31, -520(R1)
	MOVD R3, 40(R1)
	MOVD R4, 48(R1)
	MOVD R5, 56(R1)
	MOVD R6, 64(R1)
	MOVD R7, 72(R1)
	MOVD R8, 80(R1)
	MOVD R9, 88(R1)
	MOVD R10, 96(R1)
	MOVD R11, 104(R1)
	MOVD R14, 112(R1)
	MOVD R15, 120(R1)
	MOVD R16, 128(R1)
	MOVD R17, 136(R1)
	MOVD R18, 144(R1)
	MOVD R19, 152(R1)
	MOVD R20, 160(R1)
	MOVD R21, 168(R1)
	MOVD R22, 176(R1)
	MOVD R23, 184(R1)
	MOVD R24, 192(R1)
	MOVD R25, 200(R1)

	MOVW R5, 20(R29)
	MOVW R6, 24(R29)
	MOVW R7, 28(R29)
	MOVW R8, 32(R29)
	MOVW R9, 36(R29)
	MOVW R10, 40(R29)
	MOVW R11, 44(R29)
	MOVW R12, 48(R29)
	MOVW R13, 52(R29)
	MOVW R14, 56(R29)
	MOVW R15, 60(R29)
	MOVW R16, 64(R29)
	MOVW R17, 68(R29)
	MOVW R18, 72(R29)
	MOVW R19, 76(R29)
	MOVW R20, 80(R29)
	MOVW R21, 84(R29)
	MOVW R22, 88(R29)
	MOVW R24, 92(R29)
	MOVW R25, 96(R29)
	MOVW R28, 100(R29)