| // 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 |