| // Copyright 2019 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 "go_asm.h" |
| #include "go_tls.h" |
| #include "textflag.h" |
| |
| TEXT runtime·res_init_trampoline(SB),NOSPLIT,$0 |
| PUSHQ BP |
| MOVQ SP, BP |
| CALL libc_res_init(SB) |
| CMPQ AX, $-1 |
| JNE ok |
| CALL libc_error(SB) |
| ok: |
| POPQ BP |
| RET |
| |
| TEXT runtime·res_search_trampoline(SB),NOSPLIT,$0 |
| PUSHQ BP |
| MOVQ SP, BP |
| MOVQ DI, BX // move DI into BX to preserve struct addr |
| MOVL 24(BX), R8 // arg 5 anslen |
| MOVQ 16(BX), CX // arg 4 answer |
| MOVL 12(BX), DX // arg 3 type |
| MOVL 8(BX), SI // arg 2 class |
| MOVQ 0(BX), DI // arg 1 name |
| CALL libc_res_search(SB) |
| XORL DX, DX |
| CMPQ AX, $-1 |
| JNE ok |
| CALL libc_error(SB) |
| MOVLQSX (AX), DX // move return from libc_error into DX |
| XORL AX, AX // size on error is 0 |
| ok: |
| MOVL AX, 28(BX) // size |
| MOVL DX, 32(BX) // error code |
| POPQ BP |
| RET |
