MOVSL				// arg 1 - addr
	MOVSL				// arg 2 - len
	MOVSL				// arg 3 - prot
	MOVSL				// arg 4 - flags
	MOVSL				// arg 5 - fd
	MOVL	$0, AX
	STOSL				// arg 6 - pad
	MOVSL				// arg 7 - offset
	MOVL	$0, AX			// top 32 bits of file offset
	STOSL
	MOVL	$SYS_mmap, AX
	INT	$0x80
	JAE	ok
	MOVL	$0, p+24(FP)
	MOVL	AX, err+28(FP)
	RET
ok:
	MOVL	AX, p+24(FP)
	MOVL	$0, err+28(FP)
	RET

//go:build amd64 && !purego && gc

// This code was translated into a form compatible with 6a from the public
// domain sources at https://github.com/gvanas/KeccakCodePackage

// Offsets in state
#define _ba  (0*8)
#define _be  (1*8)
#define _bi  (2*8)
#define _bo  (3*8)
#define _bu  (4*8)
#define _ga  (5*8)
#define _ge  (6*8)
#define _gi  (7*8)
#define _go  (8*8)
#define _gu  (9*8)

// Indexed ops generate indexed load or store instructions for all GOPPC64 values.
// Non-indexed ops generate DS-form loads and stores when the offset fits in 16 bits,
// and on power8 and power9, a multiple of 4 is required for MOVW and MOVD ops.
// On power10, prefixed loads and stores can be used for offsets > 16 bits and <= 32 bits.
// and support for PC relative addressing must be available if relocation is needed.

	dy := m.Bounds().Dy()
	nPix = make([]uint8, dx*dy)
	offset := 0 // steps through the input by sequential scan lines.
	for _, pass := range interlacing {
		nOffset := pass.start * dx // steps through the output as defined by pass.
		for y := pass.start; y < dy; y += pass.skip {
			copy(nPix[nOffset:nOffset+dx], m.Pix[offset:offset+dx])
			offset += dx
			nOffset += dx * pass.skip
		}
	}
	m.Pix = nPix
}

// SS_*, where x=SAVSTACK_ASYNC
#define SS_LE(x)             0(x)
#define SS_GO(x)             8(x)
#define SS_ERRNO(x)         16(x)
#define SS_ERRNOJR(x)       20(x)

// Function Descriptor Offsets
#define __errno  0x156*16
#define __err2ad 0x16C*16

// Call Instructions
#define LE_CALL    BYTE $0x0D; BYTE $0x76 // BL R7, R6
#define SVC_LOAD   BYTE $0x0A; BYTE $0x08 // SVC 08 LOAD

//
//	var spd sparseDatas = []sparseEntry{
//		{Offset: 2,  Length: 5},  // Data fragment for 2..6
//		{Offset: 18, Length: 3},  // Data fragment for 18..20
//	}
//	var sph sparseHoles = []sparseEntry{
//		{Offset: 0,  Length: 2},  // Hole fragment for 0..1
//		{Offset: 7,  Length: 11}, // Hole fragment for 7..17
//		{Offset: 21, Length: 4},  // Hole fragment for 21..24
//	}
//

			return fmt.Sprintf("RET%s #%d", op[3:], mem.Offset)
		}

		// Check for PC-relative load.
		if mem.Base == PC && mem.Sign == 0 && mem.Mode == AddrOffset && text != nil {
			addr := uint32(pc) + 8 + uint32(mem.Offset)
			buf := make([]byte, 8)
			switch inst.Op &^ 15 {
			case LDRB_EQ, LDRSB_EQ:

TEXT runtime·morestack(SB), NOSPLIT, $0-0
	// R1 = g.m
	MOVD g_m(g), R1

	// R2 = g0
	MOVD m_g0(R1), R2

	// Set g->sched to context in f.
	NOP	SP	// tell vet SP changed - stop checking offsets
	MOVD 0(SP), g_sched+gobuf_pc(g)
	MOVD $8(SP), g_sched+gobuf_sp(g) // f's SP
	MOVD CTXT, g_sched+gobuf_ctxt(g)

	// Cannot grow scheduler stack (m->g0).
	Get g
	Get R2
	I64Eq
	If

				base.ErrorfAt(fn.Pos(), 0, "%v defined in both Go and assembly", fn)
			}
			fn.ABI = defABI
		}

		if fn.Pragma&ir.CgoUnsafeArgs != 0 {
			// CgoUnsafeArgs indicates the function (or its callee) uses
			// offsets to dispatch arguments, which currently using ABI0
			// frame layout. Pin it to ABI0.
			fn.ABI = obj.ABI0
			// Propagate linkname attribute, which was set on the ABIInternal
			// symbol.

//
// If p points into an allocated object, it can be advanced through the object
// by conversion to uintptr, addition of an offset, and conversion back to Pointer.
//
//	p = unsafe.Pointer(uintptr(p) + offset)
//
// The most common use of this pattern is to access fields in a struct
// or elements of an array:
//
//	// equivalent to f := unsafe.Pointer(&s.f)