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| 1 // Copyright 2009 The Go Authors. All rights reserved. | 1 // Copyright 2009 The Go Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style | 2 // Use of this source code is governed by a BSD-style |
| 3 // license that can be found in the LICENSE file. | 3 // license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 // TODO(rsc): Rewrite all nn(SP) references into name+(nn-8)(FP) | 5 // TODO(rsc): Rewrite all nn(SP) references into name+(nn-8)(FP) |
| 6 // so that go vet can check that they are correct. | 6 // so that go vet can check that they are correct. |
| 7 | 7 |
| 8 #include "textflag.h" | 8 #include "textflag.h" |
| 9 #include "funcdata.h" |
| 9 | 10 |
| 10 // | 11 // |
| 11 // System call support for 386, Darwin | 12 // System call support for 386, Darwin |
| 12 // | 13 // |
| 13 | 14 |
| 14 // func Syscall(trap int32, a1, a2, a3 int32) (r1, r2, err int32); | 15 // func Syscall(trap int32, a1, a2, a3 int32) (r1, r2, err int32); |
| 15 // func Syscall6(trap int32, a1, a2, a3, a4, a5, a6 int32) (r1, r2, err int32); | 16 // func Syscall6(trap int32, a1, a2, a3, a4, a5, a6 int32) (r1, r2, err int32); |
| 16 // Trap # in AX, args on stack above caller pc. | 17 // Trap # in AX, args on stack above caller pc. |
| 17 | 18 |
| 18 TEXT ·Syscall(SB),NOSPLIT,$0-28 | 19 TEXT ·Syscall(SB),NOSPLIT,$0-28 |
| (...skipping 114 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 133 JAE ok2 | 134 JAE ok2 |
| 134 MOVL $-1, 32(SP) // r1 | 135 MOVL $-1, 32(SP) // r1 |
| 135 MOVL $-1, 36(SP) // r2 | 136 MOVL $-1, 36(SP) // r2 |
| 136 MOVL AX, 40(SP) // errno | 137 MOVL AX, 40(SP) // errno |
| 137 RET | 138 RET |
| 138 ok2: | 139 ok2: |
| 139 MOVL AX, 32(SP) // r1 | 140 MOVL AX, 32(SP) // r1 |
| 140 MOVL DX, 36(SP) // r2 | 141 MOVL DX, 36(SP) // r2 |
| 141 MOVL $0, 40(SP) // errno | 142 MOVL $0, 40(SP) // errno |
| 142 RET | 143 RET |
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