JAL	runtime·exitsyscall(SB)
	RET

TEXT ·Syscall6(SB),NOSPLIT,$0-80
	JAL	runtime·entersyscall(SB)
	MOVV	a1+8(FP), R4
	MOVV	a2+16(FP), R5
	MOVV	a3+24(FP), R6
	MOVV	a4+32(FP), R7
	MOVV	a5+40(FP), R8
	MOVV	a6+48(FP), R9
	MOVV	trap+0(FP), R2	// syscall entry
	SYSCALL
	BEQ	R7, ok6
	MOVV	$-1, R1
	MOVV	R1, r1+56(FP)	// r1
	MOVV	R0, r2+64(FP)	// r2
	MOVV	R2, err+72(FP)	// errno
	JAL	runtime·exitsyscall(SB)
	RET
ok6:

// license that can be found in the LICENSE file.

#include "textflag.h"

// func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
	MOVD	num+0(FP), R1	// syscall entry
	MOVD	a1+8(FP), R2
	MOVD	a2+16(FP), R3
	MOVD	a3+24(FP), R4
	MOVD	a4+32(FP), R5
	MOVD	a5+40(FP), R6
	MOVD	a6+48(FP), R7
	SYSCALL
	MOVD	$0xfffffffffffff001, R8
	CMPUBLT	R2, R8, ok
	MOVD	$-1, r1+56(FP)

00000020  0f 12 e8 8e e6 0c a6 5d  60 de 3c 20 00 00 00 00  |.......]`.< ....|
00000030  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000040  00 00 00 00 00 00 00 00  00 00 00 00 13 03 00 00  |................|
00000050  2e 00 2b 00 02 03 04 00  33 00 24 00 1d 00 20 1b  |..+.....3.$... .|
00000060  e6 5f 3d 83 17 1c a6 90  45 f9 00 d9 96 be 4a 58  |._=.....E.....JX|

00000200  e5 b6 b8 be 08 84 1a 47  57 b7 d8 72 27 e7 f6 08  |.......GW..r'...|
00000210  7b 8a fa d8 a6 06 15 68  cc 90 a4 fe 8e 25 5c cb  |{......h.....%\.|
00000220  03 e8 ab 19 32 05 f4 88  d9 11 03 72 48 a3 a9 b2  |....2......rH...|
00000230  41 d3 60 80 d5 93 ae 18  1e 3d ed a7 ac 7f a6 eb  |A.`......=......|
00000240  3c 5c 78 11 fb a6 b8 00  d6 7b 98 67 d5 fd 7c 87  |<\x......{.g..|.|

	JMP	·syscallInternal(SB)

// func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·Syscall6(SB),NOSPLIT,$0-80
	JMP	·syscall6Internal(SB)

// func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·RawSyscall(SB),NOSPLIT,$0-56
	JMP	·rawSyscallInternal(SB)

// func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·RawSyscall6(SB),NOSPLIT,$0-80

	JMP	·syscallInternal(SB)

// func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·Syscall6(SB),NOSPLIT,$0-80
	JMP	·syscall6Internal(SB)

// func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·RawSyscall(SB),NOSPLIT,$0-56
	JMP	·rawSyscallInternal(SB)

// func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·RawSyscall6(SB),NOSPLIT,$0-80

00000040  6d a4 3f 3d 42 d7 78 a6  41 49 b7 12 c0 13 00 00  |m.?=B.x.AI......|
00000050  11 ff 01 00 01 00 00 0b  00 04 03 00 01 02 00 17  |................|
00000060  00 00 16 03 01 02 59 0b  00 02 55 00 02 52 00 02  |......Y...U..R..|
00000070  4f 30 82 02 4b 30 82 01  b4 a0 03 02 01 02 02 09  |O0..K0..........|
00000080  00 e8 f0 9d 3f e2 5b ea  a6 30 0d 06 09 2a 86 48  |....?.[..0...*.H|

>>> Flow 4 (server to client)
00000000  14 03 01 00 01 01 16 03  01 00 28 67 3d c4 e9 a6  |..........(g=...|
00000010  bb 99 57 90 eb fa 86 ee  ab 00 08 61 2d c8 50 5b  |..W........a-.P[|
00000020  83 9c ce 83 60 7a 89 33  90 b7 f9 31 e9 37 04 3d  |....`z.3...1.7.=|
00000030  d6 01 44 17 03 01 00 18  0a 1c 6c 75 23 bc b2 e7  |..D.......lu#...|
00000040  30 2d 61 57 d3 a6 a2 72  6a 7a 2d 8a 7b fd 45 67  |0-aW...rjz-.{.Eg|

// func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr)
//
// The 5th and 6th arg go at sp+16, sp+20.
// Note that frame size of 20 means that 24 bytes gets reserved on stack.
TEXT ·Syscall6(SB),NOSPLIT,$20-40
	MOVW	num+0(FP), R2	// syscall entry
	MOVW	a1+4(FP), R4
	MOVW	a2+8(FP), R5
	MOVW	a3+12(FP), R6
	MOVW	a4+16(FP), R7
	MOVW	a5+20(FP), R8
	MOVW	a6+24(FP), R9
	MOVW	R8, 16(R29)
	MOVW	R9, 20(R29)

#include "textflag.h"
#include "funcdata.h"

//
// System call support for AMD64 unixes
//

// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64)
// func Syscall6(trap int64, a1, a2, a3, a4, a5, a6 int64) (r1, r2, err int64)
// Trap # in AX, args in DI SI DX, return in AX DX

TEXT	·Syscall(SB),NOSPLIT,$0-56
	CALL	runtime·entersyscall<ABIInternal>(SB)
	MOVQ	trap+0(FP), AX	// syscall entry
	MOVQ	a1+8(FP), DI