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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 "textflag.h"
| #include "funcdata.h"
| #include "../runtime/syscall_nacl.h"
|
| //
| // System call support for 386, 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 ·Syscall(SB),NOSPLIT,$12-28
| NO_LOCAL_POINTERS
| CALL runtime·entersyscall(SB)
| MOVL trap+0(FP), AX
| MOVL a1+4(FP), BX
| MOVL BX, 0(SP)
| MOVL a2+8(FP), BX
| MOVL BX, 4(SP)
| MOVL a3+12(FP), BX
| MOVL BX, 8(SP)
| 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
|
|
