000003a0  d3 a8 46 9c f7 dc 2a 04  be 3c 42 85 4f ad 59 20  |..F...*..<B.O.Y |
000003b0  a2 17 03 03 00 35 ee cf  79 7c 39 a5 02 f9 99 e4  |.....5..y|9.....|
000003c0  5d e5 76 ba bf 74 f9 b4  fe bc 1e 85 06 2e 2c 58  |].v..t........,X|
000003d0  b4 a5 5f dd e5 a2 7c d0  3a 3b 95 97 85 76 7f bc  |.._...|.:;...v..|
000003e0  6f 9d 49 98 48 93 dc 46  ac 60 ba                 |o.I.H..F.`.|
>>> Flow 3 (client to server)

// Deprecated: Use [SyscallN] instead.
func Syscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)

// Deprecated: Use [SyscallN] instead.
func Syscall9(trap, nargs, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno)

// Deprecated: Use [SyscallN] instead.
func Syscall12(trap, nargs, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12 uintptr) (r1, r2 uintptr, err Errno)

00000000  14 03 03 00 01 01 16 03  03 00 40 2d 53 b0 b0 c1  |..........@-S...|
00000010  05 78 e3 3c 5d 57 a5 04  9a 4b b9 f7 56 ce 5a 76  |.x.<]W...K..V.Zv|
00000020  84 4d f2 46 2e fc c2 9c  ec 37 2b 4d 99 88 ab 30  |.M.F.....7+M...0|
00000030  1b 83 7d d8 72 bf e7 c7  f7 cf b8 13 54 d5 a2 a2  |..}.r.......T...|
00000040  dc 76 b3 01 a4 d0 a5 cc  eb 66 29                 |.v.......f)|
>>> Flow 5 (client to server)

//go:nosplit
func syscall_Syscall6(fn, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) {
	args := [...]uintptr{a1, a2, a3, a4, a5, a6}
	return syscall_SyscallN(fn, args[:nargs]...)
}

//go:linkname syscall_Syscall9 syscall.Syscall9
//go:nosplit
func syscall_Syscall9(fn, nargs, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2, err uintptr) {
	args := [...]uintptr{a1, a2, a3, a4, a5, a6, a7, a8, a9}

00000310  82 19 1d 57 dc b4 27 83  48 1b 9f a9 0e cc d6 39  |...W..'.H......9|
00000320  c1 4a 66 b3 42 85 a5 a7  14 97 5c 58 fe 41 e1 2e  |.Jf.B.....\X.A..|
00000330  16 e9 70 89 e7 98 a8 f3  4a 81 d4 d8 ff 5f 48 6e  |..p.....J...._Hn|
00000340  60 c6 4a 07 c5 57 9c 22  25 3a 9f bf 7e 71 f3 0d  |`.J..W."%:..~q..|
00000350  71 e5 a5 d4 2b 6d 70 2f  c5 a3 17 03 03 00 99 b9  |q...+mp/........|

00000170  78 1e 2b 83 7b 9a 6f 51  60 c0 b8 e1 99 f7 b0 e3  |x.+.{.oQ`.......|
00000180  bf d8 ec 4e 9f 69 27 c8  89 fc 18 21 58 8a ba 87  |...N.i'....!X...|
00000190  23 4c cd 95 b7 f1 a5 9a  79 5c d7 35 74 a5 4a 2c  |#L......y\.5t.J,|
000001a0  fc c8 f4 b4 c4 de 3b 0e  08 12 e0 24 af 10 b3 e7  |......;....$....|
000001b0  04 74 a9 b4 de ee 98 b5  f1 ed 50 9f eb 5f eb 14  |.t........P.._..|

00000230  d6 87 68 b7 62 21 3b 26  9b f1 b1 f2 92 d5 4b 19  |..h.b!;&......K.|
00000240  02 58 05 3c 81 cf 00 5a  54 86 a5 61 8f 71 ae 32  |.X.<...ZT..a.q.2|
00000250  f2 0f 08 3b 13 4d f3 e6  03 2e 73 9c 50 4a b7 6c  |...;.M....s.PJ.l|
00000260  d8 0a 04 fc b5 44 a5 45  c8 86 c9 9f 29 b4 00 90  |.....D.E....)...|
00000270  d8 8b e0 c8 ba 63 9f 42  65 ef ba 5b dc b2 61 53  |.....c.Be..[..aS|

#define INVOKE_SYSCALL	INT	$0x80

// func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr)
//
// Syscall # in AX, args in BX CX DX SI DI BP, return in AX
TEXT ·Syscall6(SB),NOSPLIT,$0-40
	MOVL	num+0(FP), AX	// syscall entry
	MOVL	a1+4(FP), BX
	MOVL	a2+8(FP), CX
	MOVL	a3+12(FP), DX
	MOVL	a4+16(FP), SI
	MOVL	a5+20(FP), DI
	MOVL	a6+24(FP), BP
	INVOKE_SYSCALL
	CMPL	AX, $0xfffff001
	JLS	ok

#include "textflag.h"

// func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr)
//
// We need to convert to the syscall ABI.
//
// arg | ABIInternal | Syscall
// ---------------------------
// num | R4          | R11
// a1  | R5          | R4
// a2  | R6          | R5
// a3  | R7          | R6
// a4  | R8          | R7
// a5  | R9          | R8
// a6  | R10         | R9
//

00000010  a3 37 94 7a 3d 93 6a 06  35 fe 9a d4 7b 54 ab d4  |.7.z=.j.5...{T..|
00000020  33 fd 93 15 03 03 00 1a  00 00 00 00 00 00 00 02  |3...............|
00000030  bf ff c7 9e 4b db ee a4  a2 b9 a5 91 cd 09 97 a2  |....K...........|