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-rw-r--r--src/syscall/asm_linux_ppc64x.s136
1 files changed, 136 insertions, 0 deletions
diff --git a/src/syscall/asm_linux_ppc64x.s b/src/syscall/asm_linux_ppc64x.s
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+++ b/src/syscall/asm_linux_ppc64x.s
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+// Copyright 2014 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.
+
+// +build linux
+// +build ppc64 ppc64le
+
+#include "textflag.h"
+
+//
+// System calls for ppc64, Linux
+//
+
+// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64);
+TEXT ·Syscall(SB),NOSPLIT,$0-56
+ BL runtime·entersyscall(SB)
+ MOVD a1+8(FP), R3
+ MOVD a2+16(FP), R4
+ MOVD a3+24(FP), R5
+ MOVD R0, R6
+ MOVD R0, R7
+ MOVD R0, R8
+ MOVD trap+0(FP), R9 // syscall entry
+ SYSCALL R9
+ BVC ok
+ MOVD $-1, R4
+ MOVD R4, r1+32(FP) // r1
+ MOVD R0, r2+40(FP) // r2
+ MOVD R3, err+48(FP) // errno
+ BL runtime·exitsyscall(SB)
+ RET
+ok:
+ MOVD R3, r1+32(FP) // r1
+ MOVD R4, r2+40(FP) // r2
+ MOVD R0, err+48(FP) // errno
+ BL runtime·exitsyscall(SB)
+ RET
+
+TEXT ·Syscall6(SB),NOSPLIT,$0-80
+ BL runtime·entersyscall(SB)
+ MOVD a1+8(FP), R3
+ MOVD a2+16(FP), R4
+ MOVD a3+24(FP), R5
+ MOVD a4+32(FP), R6
+ MOVD a5+40(FP), R7
+ MOVD a6+48(FP), R8
+ MOVD trap+0(FP), R9 // syscall entry
+ SYSCALL R9
+ BVC ok6
+ MOVD $-1, R4
+ MOVD R4, r1+56(FP) // r1
+ MOVD R0, r2+64(FP) // r2
+ MOVD R3, err+72(FP) // errno
+ BL runtime·exitsyscall(SB)
+ RET
+ok6:
+ MOVD R3, r1+56(FP) // r1
+ MOVD R4, r2+64(FP) // r2
+ MOVD R0, err+72(FP) // errno
+ BL runtime·exitsyscall(SB)
+ RET
+
+TEXT ·RawSyscall(SB),NOSPLIT,$0-56
+ MOVD a1+8(FP), R3
+ MOVD a2+16(FP), R4
+ MOVD a3+24(FP), R5
+ MOVD R0, R6
+ MOVD R0, R7
+ MOVD R0, R8
+ MOVD trap+0(FP), R9 // syscall entry
+ SYSCALL R9
+ BVC ok1
+ MOVD $-1, R4
+ MOVD R4, r1+32(FP) // r1
+ MOVD R0, r2+40(FP) // r2
+ MOVD R3, err+48(FP) // errno
+ RET
+ok1:
+ MOVD R3, r1+32(FP) // r1
+ MOVD R4, r2+40(FP) // r2
+ MOVD R0, err+48(FP) // errno
+ RET
+
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
+ MOVD a1+8(FP), R3
+ MOVD a2+16(FP), R4
+ MOVD a3+24(FP), R5
+ MOVD a4+32(FP), R6
+ MOVD a5+40(FP), R7
+ MOVD a6+48(FP), R8
+ MOVD trap+0(FP), R9 // syscall entry
+ SYSCALL R9
+ BVC ok2
+ MOVD $-1, R4
+ MOVD R4, r1+56(FP) // r1
+ MOVD R0, r2+64(FP) // r2
+ MOVD R3, err+72(FP) // errno
+ RET
+ok2:
+ MOVD R3, r1+56(FP) // r1
+ MOVD R4, r2+64(FP) // r2
+ MOVD R0, err+72(FP) // errno
+ RET
+
+// func rawVforkSyscall(trap, a1 uintptr) (r1, err uintptr)
+TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-32
+ MOVD a1+8(FP), R3
+ MOVD R0, R4
+ MOVD R0, R5
+ MOVD R0, R6
+ MOVD R0, R7
+ MOVD R0, R8
+ MOVD trap+0(FP), R9 // syscall entry
+ SYSCALL R9
+ BVC ok
+ MOVD $-1, R4
+ MOVD R4, r1+16(FP) // r1
+ MOVD R3, err+24(FP) // errno
+ RET
+ok:
+ MOVD R3, r1+16(FP) // r1
+ MOVD R0, err+24(FP) // errno
+ RET
+
+TEXT ·rawSyscallNoError(SB),NOSPLIT,$0-48
+ MOVD a1+8(FP), R3
+ MOVD a2+16(FP), R4
+ MOVD a3+24(FP), R5
+ MOVD R0, R6
+ MOVD R0, R7
+ MOVD R0, R8
+ MOVD trap+0(FP), R9 // syscall entry
+ SYSCALL R9
+ MOVD R3, r1+32(FP)
+ MOVD R4, r2+40(FP)
+ RET