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- // 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 "../../cmd/ld/textflag.h" // TODO: how to refer to this?
- #include "../runtime/syscall_nacl.h" // TODO: how to refer to this?
- //
- // System call support for amd64, Native Client
- //
- #define NACL_SYSCALL(code) \
- MOVL $(0x10000 + ((code)<<5)), AX; CALL AX
- #define NACL_SYSJMP(code) \
- MOVL $(0x10000 + ((code)<<5)), AX; JMP AX
- TEXT unix·Syscall(SB),NOSPLIT,$0-28
- CALL runtime·entersyscall(SB)
- MOVL trap+0(FP), AX
- MOVL a1+4(FP), DI
- MOVL a2+8(FP), SI
- MOVL a3+12(FP), DX
- // more args would use CX, R8, R9
- SHLL $5, AX
- ADDL $0x10000, AX
- CALL AX
- CMPL AX, $0
- JGE ok
- MOVL $-1, r1+16(FP)
- MOVL $-1, r2+20(FP)
- NEGL AX
- MOVL AX, err+24(FP)
- CALL runtime·exitsyscall(SB)
- RET
- ok:
- MOVL AX, r1+16(FP)
- MOVL DX, r2+20(FP)
- MOVL $0, err+24(FP)
- CALL runtime·exitsyscall(SB)
- RET
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