2009-06-01 23:15:08 -06:00
|
|
|
// Copyright 2009 The Go Authors. All rights reserved.
|
2008-07-26 15:49:21 -06:00
|
|
|
// Use of this source code is governed by a BSD-style
|
|
|
|
// license that can be found in the LICENSE file.
|
|
|
|
|
2014-08-12 18:04:45 -06:00
|
|
|
#include "textflag.h"
|
2014-09-11 22:23:03 -06:00
|
|
|
#include "funcdata.h"
|
2013-08-12 11:24:30 -06:00
|
|
|
|
2008-07-26 15:49:21 -06:00
|
|
|
//
|
2008-07-29 15:44:48 -06:00
|
|
|
// System call support for AMD64, Darwin
|
2008-07-26 15:49:21 -06:00
|
|
|
//
|
|
|
|
|
2008-07-29 15:44:48 -06:00
|
|
|
// Trap # in AX, args in DI SI DX, return in AX DX
|
2008-07-26 15:49:21 -06:00
|
|
|
|
2015-03-02 20:15:53 -07:00
|
|
|
// func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno);
|
2014-05-15 14:47:53 -06:00
|
|
|
TEXT ·Syscall(SB),NOSPLIT,$0-56
|
2009-10-16 00:10:49 -06:00
|
|
|
CALL runtime·entersyscall(SB)
|
2015-01-13 12:18:13 -07:00
|
|
|
MOVQ a1+8(FP), DI
|
|
|
|
MOVQ a2+16(FP), SI
|
|
|
|
MOVQ a3+24(FP), DX
|
2009-07-14 14:59:54 -06:00
|
|
|
MOVQ $0, R10
|
|
|
|
MOVQ $0, R8
|
|
|
|
MOVQ $0, R9
|
2015-01-13 12:18:13 -07:00
|
|
|
MOVQ trap+0(FP), AX // syscall entry
|
2008-07-29 15:44:48 -06:00
|
|
|
ADDQ $0x2000000, AX
|
2008-07-26 17:22:14 -06:00
|
|
|
SYSCALL
|
2008-11-25 17:48:10 -07:00
|
|
|
JCC ok
|
2015-01-13 12:18:13 -07:00
|
|
|
MOVQ $-1, r1+32(FP)
|
|
|
|
MOVQ $0, r2+40(FP)
|
|
|
|
MOVQ AX, err+48(FP)
|
2009-10-16 00:10:49 -06:00
|
|
|
CALL runtime·exitsyscall(SB)
|
2008-07-26 17:22:14 -06:00
|
|
|
RET
|
2008-11-25 17:48:10 -07:00
|
|
|
ok:
|
2015-01-13 12:18:13 -07:00
|
|
|
MOVQ AX, r1+32(FP)
|
|
|
|
MOVQ DX, r2+40(FP)
|
|
|
|
MOVQ $0, err+48(FP)
|
2009-10-16 00:10:49 -06:00
|
|
|
CALL runtime·exitsyscall(SB)
|
2008-07-26 17:22:14 -06:00
|
|
|
RET
|
|
|
|
|
2015-03-02 20:15:53 -07:00
|
|
|
// func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno);
|
2014-05-15 14:47:53 -06:00
|
|
|
TEXT ·Syscall6(SB),NOSPLIT,$0-80
|
2009-10-16 00:10:49 -06:00
|
|
|
CALL runtime·entersyscall(SB)
|
2015-01-13 12:18:13 -07:00
|
|
|
MOVQ a1+8(FP), DI
|
|
|
|
MOVQ a2+16(FP), SI
|
|
|
|
MOVQ a3+24(FP), DX
|
|
|
|
MOVQ a4+32(FP), R10
|
|
|
|
MOVQ a5+40(FP), R8
|
|
|
|
MOVQ a6+48(FP), R9
|
|
|
|
MOVQ trap+0(FP), AX // syscall entry
|
2008-09-16 14:42:47 -06:00
|
|
|
ADDQ $0x2000000, AX
|
|
|
|
SYSCALL
|
2008-11-25 17:48:10 -07:00
|
|
|
JCC ok6
|
2015-01-13 12:18:13 -07:00
|
|
|
MOVQ $-1, r1+56(FP)
|
|
|
|
MOVQ $0, r2+64(FP)
|
|
|
|
MOVQ AX, err+72(FP)
|
2009-10-16 00:10:49 -06:00
|
|
|
CALL runtime·exitsyscall(SB)
|
2008-09-16 14:42:47 -06:00
|
|
|
RET
|
2008-11-25 17:48:10 -07:00
|
|
|
ok6:
|
2015-01-13 12:18:13 -07:00
|
|
|
MOVQ AX, r1+56(FP)
|
|
|
|
MOVQ DX, r2+64(FP)
|
|
|
|
MOVQ $0, err+72(FP)
|
2009-10-16 00:10:49 -06:00
|
|
|
CALL runtime·exitsyscall(SB)
|
2008-09-16 14:42:47 -06:00
|
|
|
RET
|
2008-12-03 15:21:28 -07:00
|
|
|
|
2015-03-02 20:15:53 -07:00
|
|
|
// func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno)
|
|
|
|
TEXT ·Syscall9(SB),NOSPLIT,$0-104
|
|
|
|
CALL runtime·entersyscall(SB)
|
|
|
|
MOVQ trap+0(FP), AX // syscall entry
|
|
|
|
MOVQ a1+8(FP), DI
|
|
|
|
MOVQ a2+16(FP), SI
|
|
|
|
MOVQ a3+24(FP), DX
|
|
|
|
MOVQ a4+32(FP), R10
|
|
|
|
MOVQ a5+40(FP), R8
|
|
|
|
MOVQ a6+48(FP), R9
|
|
|
|
MOVQ a7+56(FP), R11
|
|
|
|
MOVQ a8+64(FP), R12
|
|
|
|
MOVQ a9+72(FP), R13
|
|
|
|
SUBQ $32, SP
|
|
|
|
MOVQ R11, 8(SP)
|
|
|
|
MOVQ R12, 16(SP)
|
|
|
|
MOVQ R13, 24(SP)
|
|
|
|
ADDQ $0x2000000, AX
|
|
|
|
SYSCALL
|
|
|
|
JCC ok9
|
|
|
|
ADDQ $32, SP
|
|
|
|
MOVQ $-1, r1+80(FP)
|
|
|
|
MOVQ $0, r2+88(FP)
|
|
|
|
MOVQ AX, err+96(FP)
|
|
|
|
CALL runtime·exitsyscall(SB)
|
|
|
|
RET
|
|
|
|
ok9:
|
|
|
|
ADDQ $32, SP
|
|
|
|
MOVQ AX, r1+80(FP)
|
|
|
|
MOVQ DX, r2+88(FP)
|
|
|
|
MOVQ $0, err+96(FP)
|
|
|
|
CALL runtime·exitsyscall(SB)
|
|
|
|
RET
|
|
|
|
|
|
|
|
// func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
|
2014-05-15 14:47:53 -06:00
|
|
|
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
|
2015-01-13 12:18:13 -07:00
|
|
|
MOVQ a1+8(FP), DI
|
|
|
|
MOVQ a2+16(FP), SI
|
|
|
|
MOVQ a3+24(FP), DX
|
2009-07-14 14:59:54 -06:00
|
|
|
MOVQ $0, R10
|
|
|
|
MOVQ $0, R8
|
|
|
|
MOVQ $0, R9
|
2015-01-13 12:18:13 -07:00
|
|
|
MOVQ trap+0(FP), AX // syscall entry
|
2008-12-03 15:21:28 -07:00
|
|
|
ADDQ $0x2000000, AX
|
|
|
|
SYSCALL
|
|
|
|
JCC ok1
|
2015-01-13 12:18:13 -07:00
|
|
|
MOVQ $-1, r1+32(FP)
|
|
|
|
MOVQ $0, r2+40(FP)
|
|
|
|
MOVQ AX, err+48(FP)
|
2008-12-03 15:21:28 -07:00
|
|
|
RET
|
|
|
|
ok1:
|
2015-01-13 12:18:13 -07:00
|
|
|
MOVQ AX, r1+32(FP)
|
|
|
|
MOVQ DX, r2+40(FP)
|
|
|
|
MOVQ $0, err+48(FP)
|
2008-12-03 15:21:28 -07:00
|
|
|
RET
|
2011-03-16 20:03:01 -06:00
|
|
|
|
2015-03-02 20:15:53 -07:00
|
|
|
// func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
|
2014-05-15 14:47:53 -06:00
|
|
|
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
|
2015-01-13 12:18:13 -07:00
|
|
|
MOVQ a1+8(FP), DI
|
|
|
|
MOVQ a2+16(FP), SI
|
|
|
|
MOVQ a3+24(FP), DX
|
|
|
|
MOVQ a4+32(FP), R10
|
|
|
|
MOVQ a5+40(FP), R8
|
|
|
|
MOVQ a6+48(FP), R9
|
|
|
|
MOVQ trap+0(FP), AX // syscall entry
|
2011-03-16 20:03:01 -06:00
|
|
|
ADDQ $0x2000000, AX
|
|
|
|
SYSCALL
|
|
|
|
JCC ok2
|
2015-01-13 12:18:13 -07:00
|
|
|
MOVQ $-1, r1+56(FP)
|
|
|
|
MOVQ $0, r2+64(FP)
|
|
|
|
MOVQ AX, err+72(FP)
|
2011-03-16 20:03:01 -06:00
|
|
|
RET
|
|
|
|
ok2:
|
2015-01-13 12:18:13 -07:00
|
|
|
MOVQ AX, r1+56(FP)
|
|
|
|
MOVQ DX, r2+64(FP)
|
|
|
|
MOVQ $0, err+72(FP)
|
2011-03-16 20:03:01 -06:00
|
|
|
RET
|