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| author | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 11:54:00 -0700 |
|---|---|---|
| committer | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 11:54:00 -0700 |
| commit | f154da9e12608589e8d5f0508f908a0c3e88a1bb (patch) | |
| tree | f8255d51e10c6f1e0ed69702200b966c9556a431 /src/syscall/asm_netbsd_arm.s | |
| parent | 8d8329ed5dfb9622c82a9fbec6fd99a580f9c9f6 (diff) | |
| download | golang-upstream/1.4.tar.gz | |
Imported Upstream version 1.4upstream/1.4
Diffstat (limited to 'src/syscall/asm_netbsd_arm.s')
| -rw-r--r-- | src/syscall/asm_netbsd_arm.s | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/syscall/asm_netbsd_arm.s b/src/syscall/asm_netbsd_arm.s new file mode 100644 index 000000000..290bb5806 --- /dev/null +++ b/src/syscall/asm_netbsd_arm.s @@ -0,0 +1,127 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "textflag.h" +#include "funcdata.h" + +// +// System call support for ARM, NetBSD +// + +// func Syscall(trap int32, a1, a2, a3 int32) (r1, r2, err int32); +// func Syscall6(trap int32, a1, a2, a3, a4, a5, a6 int32) (r1, r2, err int32); +// func Syscall9(trap int32, a1, a2, a3, a4, a5, a6, a7, a8, a9 int64) (r1, r2, err int32) + +TEXT ·Syscall(SB),NOSPLIT,$0-28 + BL runtime·entersyscall(SB) + MOVW 0(FP), R0 // sigcall num + MOVW 4(FP), R1 // a1 + MOVW 8(FP), R2 // a2 + MOVW 12(FP), R3 // a3 + SWI $0 // syscall + MOVW $0, R2 + BCS error + MOVW R0, 16(FP) // r1 + MOVW R1, 20(FP) // r2 + MOVW R2, 24(FP) // err + BL runtime·exitsyscall(SB) + RET +error: + MOVW $-1, R3 + MOVW R3, 16(FP) // r1 + MOVW R2, 20(FP) // r2 + MOVW R0, 24(FP) // err + BL runtime·exitsyscall(SB) + RET + +TEXT ·Syscall6(SB),NOSPLIT,$0-40 + BL runtime·entersyscall(SB) + MOVW 0(FP), R0 // sigcall num + MOVW 4(FP), R1 // a1 + MOVW 8(FP), R2 // a2 + MOVW 12(FP), R3 // a3 + MOVW R13, R4 + MOVW $16(FP), R13 // a4 to a6 are passed on stack + SWI $0 // syscall + MOVW R4, R13 + MOVW $0, R2 + BCS error6 + MOVW R0, 28(FP) // r1 + MOVW R1, 32(FP) // r2 + MOVW R2, 36(FP) // err + BL runtime·exitsyscall(SB) + RET +error6: + MOVW $-1, R3 + MOVW R3, 28(FP) // r1 + MOVW R2, 32(FP) // r2 + MOVW R0, 36(FP) // err + BL runtime·exitsyscall(SB) + RET + +TEXT ·Syscall9(SB),NOSPLIT,$0-52 + BL runtime·entersyscall(SB) + MOVW 0(FP), R0 // sigcall num + MOVW 4(FP), R1 // a1 + MOVW 8(FP), R2 // a2 + MOVW 12(FP), R3 // a3 + MOVW R13, R4 + MOVW $16(FP), R13 // a4 to a9 are passed on stack + SWI $0 // syscall + MOVW R4, R13 + MOVW $0, R2 + BCS error9 + MOVW R0, 40(FP) // r1 + MOVW R1, 44(FP) // r2 + MOVW R2, 48(FP) // err + BL runtime·exitsyscall(SB) + RET +error9: + MOVW $-1, R3 + MOVW R3, 40(FP) // r1 + MOVW R2, 44(FP) // r2 + MOVW R0, 48(FP) // err + BL runtime·exitsyscall(SB) + RET + +TEXT ·RawSyscall(SB),NOSPLIT,$0-28 + MOVW 0(FP), R0 // sigcall num + MOVW 4(FP), R1 // a1 + MOVW 8(FP), R2 // a2 + MOVW 12(FP), R3 // a3 + SWI $0 // syscall + MOVW $0, R2 + BCS errorr + MOVW R0, 16(FP) // r1 + MOVW R1, 20(FP) // r2 + MOVW R2, 24(FP) // err + RET +errorr: + MOVW $-1, R3 + MOVW R3, 16(FP) // r1 + MOVW R2, 20(FP) // r2 + MOVW R0, 24(FP) // err + RET + +TEXT ·RawSyscall6(SB),NOSPLIT,$0-40 + MOVW 0(FP), R0 // sigcall num + MOVW 4(FP), R1 // a1 + MOVW 8(FP), R2 // a2 + MOVW 12(FP), R3 // a3 + MOVW R13, R4 + MOVW $16(FP), R13 // a4 to a9 are passed on stack + SWI $0 // syscall + MOVW R4, R13 + MOVW $0, R2 + BCS errorr6 + MOVW R0, 28(FP) // r1 + MOVW R1, 32(FP) // r2 + MOVW R2, 36(FP) // err + RET +errorr6: + MOVW $-1, R3 + MOVW R3, 28(FP) // r1 + MOVW R2, 32(FP) // r2 + MOVW R0, 36(FP) // err + RET |