mirror of
https://github.com/golang/go
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105 lines
2.1 KiB
ArmAsm
105 lines
2.1 KiB
ArmAsm
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// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build linux
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// +build power64 power64le
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#include "../../cmd/ld/textflag.h"
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//
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// System calls for Power64, Linux
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//
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// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64);
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TEXT ·Syscall(SB),NOSPLIT,$0-56
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BL runtime·entersyscall(SB)
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MOVD a1+8(FP), R3
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MOVD a2+16(FP), R4
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MOVD a3+24(FP), R5
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MOVD R0, R6
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MOVD R0, R7
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MOVD R0, R8
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MOVD trap+0(FP), R9 // syscall entry
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SYSCALL R9
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BVC ok
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MOVD $-1, R4
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MOVD R4, r1+32(FP) // r1
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MOVD R0, r2+40(FP) // r2
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MOVD R3, err+48(FP) // errno
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BL runtime·exitsyscall(SB)
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RETURN
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ok:
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MOVD R3, r1+32(FP) // r1
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MOVD R4, r2+40(FP) // r2
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MOVD R0, err+48(FP) // errno
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BL runtime·exitsyscall(SB)
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RETURN
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TEXT ·Syscall6(SB),NOSPLIT,$0-80
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BL runtime·entersyscall(SB)
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MOVD a1+8(FP), R3
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MOVD a2+16(FP), R4
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MOVD a3+24(FP), R5
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MOVD a4+32(FP), R6
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MOVD a5+40(FP), R7
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MOVD a6+48(FP), R8
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MOVD trap+0(FP), R9 // syscall entry
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SYSCALL R9
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BVC ok6
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MOVD $-1, R4
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MOVD R4, r1+56(FP) // r1
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MOVD R0, r2+64(FP) // r2
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MOVD R3, err+72(FP) // errno
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BL runtime·exitsyscall(SB)
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RETURN
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ok6:
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MOVD R3, r1+56(FP) // r1
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MOVD R4, r2+64(FP) // r2
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MOVD R0, err+72(FP) // errno
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BL runtime·exitsyscall(SB)
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RETURN
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TEXT ·RawSyscall(SB),NOSPLIT,$0-56
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MOVD a1+8(FP), R3
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MOVD a2+16(FP), R4
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MOVD a3+24(FP), R5
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MOVD R0, R6
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MOVD R0, R7
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MOVD R0, R8
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MOVD trap+0(FP), R9 // syscall entry
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SYSCALL R9
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BVC ok1
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MOVD $-1, R4
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MOVD R4, r1+32(FP) // r1
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MOVD R0, r2+40(FP) // r2
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MOVD R3, err+48(FP) // errno
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RETURN
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ok1:
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MOVD R3, r1+32(FP) // r1
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MOVD R4, r2+40(FP) // r2
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MOVD R0, err+48(FP) // errno
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RETURN
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TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
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MOVD a1+8(FP), R3
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MOVD a2+16(FP), R4
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MOVD a3+24(FP), R5
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MOVD a4+32(FP), R6
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MOVD a5+40(FP), R7
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MOVD a6+48(FP), R8
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MOVD trap+0(FP), R9 // syscall entry
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SYSCALL R9
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BVC ok2
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MOVD $-1, R4
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MOVD R4, r1+56(FP) // r1
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MOVD R0, r2+64(FP) // r2
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MOVD R3, err+72(FP) // errno
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RETURN
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ok2:
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MOVD R3, r1+56(FP) // r1
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MOVD R4, r2+64(FP) // r2
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MOVD R0, err+72(FP) // errno
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RETURN
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