//

// func Syscall9(trap trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2, err uintptr);
// Actually Syscall8 but the rest of the code expects it to be named Syscall9.
TEXT ·Syscall9(SB),NOSPLIT,$28-52
	NO_LOCAL_POINTERS
	JAL	runtime·entersyscall(SB)
	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	a7+28(FP), R10
	MOVW	a8+32(FP), R11
	MOVW	R8, 16(R29)

TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-48
	MOV	a1+8(FP), A0
	MOV	a2+16(FP), A1
	MOV	a3+24(FP), A2
	MOV	ZERO, A3
	MOV	ZERO, A4
	MOV	ZERO, A5
	MOV	trap+0(FP), A7	// syscall entry
	ECALL
	MOV	$-4096, T0
	BLTU	T0, A0, err
	MOV	A0, r1+32(FP)	// r1
	MOV	ZERO, err+40(FP)	// errno
	RET
err:
	MOV	$-1, T0
	MOV	T0, r1+32(FP)	// r1
	SUB	A0, ZERO, A0

>>> Flow 4 (server to client)
00000000  17 03 03 00 1e 1e 5c 6b  1e dd ea a2 1d bd 6e 66  |......\k......nf|
00000010  0b 99 e0 91 0b c1 3e 9b  49 e7 40 0d a7 7a bb 31  |......>.I.@..z.1|
00000020  4c 5c c2 17 03 03 00 13  a5 98 a7 8a 05 a7 bb 60  |L\.............`|

00000180  75 fe a7 34 20 0e f6 9c  a9 79 0f 9e 05 fc 5a 4e  |u..4 ....y....ZN|
00000190  76 7c 13 0e a7 6a 1e 4a  f7 ba a7 a8 18 8d 89 4a  |v|...j.J.......J|
000001a0  ad 34 40 81 2c e9 07 18  ba 95 48 dd 11 e7 11 0b  |.4@.,.....H.....|
000001b0  27 fe 9f 3c e6 44 72 16  89 dc 7d 8e 22 cf 4d 96  |'..<.Dr...}.".M.|
000001c0  60 3c 78 7a ed 6e a9 ba  d1 c3 59 b7 a7 32 bc 44  |`<xz.n....Y..2.D|

00000070  b2 d3 2e fc aa 46 84 85  a7 37 90 fc f0 2b 5a 7e  |.....F...7...+Z~|
00000080  28 9f 2e 57 1d 8f c3 ca  eb 40 32 79 af 4b b8 28  |(..W.....@2y.K.(|
00000090  15 03 03 00 30 00 00 00  00 00 00 00 00 00 00 00  |....0...........|
000000a0  00 00 00 00 00 8b 6c 27  b8 ff f9 ea ca 68 75 54  |......l'.....huT|
000000b0  bf bf a7 f4 b1 58 a5 b3  31 01 4d c7 85 58 31 d4  |.....X..1.M..X1.|

00000250  5f f3 f4 f0 5c 1c d7 d3  a7 0c 8f 23 29 30 7a 8e  |_...\......#)0z.|
00000260  c3 aa a8 71 21 5c ad b6  fb c6 bd 78 ac ab b1 a0  |...q!\.....x....|
00000270  11 84 23 61 7b ec 90 e1  2c 23 ec 9b 21 c8 ab 01  |..#a{...,#..!...|
00000280  e0 b9 5b 0b 4c ee a5 3c  5b c0 52 bd 60 7a b1 88  |..[.L..<[.R.`z..|
00000290  67 e3 c9 60 b9 04 a8 31  3e 34 d7 33 49 38 d9 a7  |g..`...1>4.3I8..|

>>> Flow 1 (client to server)
00000000  16 03 01 00 6d 01 00 00  69 03 03 8a fe ad ad 75  |....m...i......u|
00000010  e4 8c bf bf b7 b6 66 14  92 eb 84 85 9c c8 a7 66  |......f........f|
00000020  04 2a d0 63 5e a6 bf 85  e9 4f 49 00 00 04 00 2f  |.*.c^....OI..../|
00000030  00 ff 01 00 00 3c 00 16  00 00 00 17 00 00 00 0d  |.....<..........|
00000040  00 30 00 2e 04 03 05 03  06 03 08 07 08 08 08 09  |.0..............|

00000010  62 43 15 28 da ac 5f bb  29 07 30 ff f6 84 af c4  |bC.(.._.).0.....|
00000020  cf c2 ed 90 99 5f 58 cb  3b 74 14 03 03 00 01 01  |....._X.;t......|
00000030  16 03 03 00 20 28 48 18  85 9d 35 c7 5a 46 2c a7  |.... (H...5.ZF,.|
00000040  5b 8b c0 71 73 66 d0 a7  53 a0 e3 ed c8 57 f3 70  |[..qsf..S....W.p|
00000050  9a 01 58 61 84                                    |..Xa.|
>>> Flow 4 (server to client)

000000d0  02 03 01 00 33 00 47 00  45 00 17 00 41 04 1e 18  |....3.G.E...A...|
000000e0  37 ef 0d 19 51 88 35 75  71 b5 e5 54 5b 12 2e 8f  |7...Q.5uq..T[...|
000000f0  09 67 fd a7 24 20 3e b2  56 1c ce 97 28 5e f8 2b  |.g..$ >.V...(^.+|
00000100  2d 4f 9e f1 07 9f 6c 4b  5b 83 56 e2 32 42 e9 58  |-O....lK[.V.2B.X|
00000110  b6 d7 49 a6 b5 68 1a 41  03 56 6b dc 5a 89        |..I..h.A.Vk.Z.|

00000020  32 a2 71 86 4b 33 5d bb  b8 b8 ac 20 77 6d 45 2f  |2.q.K3].... wmE/|
00000030  a3 fe 59 3f 9b cf 4e 60  55 84 f7 99 c2 f5 7e 1e  |..Y?..N`U.....~.|
00000040  6f 0a 4d fe bf 13 e8 95  80 a7 7d c6 00 04 13 02  |o.M.......}.....|
00000050  00 ff 01 00 00 79 00 0b  00 04 03 00 01 02 00 0a  |.....y..........|
00000060  00 0c 00 0a 00 1d 00 17  00 1e 00 19 00 18 00 16  |................|