| // Copyright 2011 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 _rt0_amd64_windows(SB),NOSPLIT|NOFRAME,$-8 |
| JMP _rt0_amd64(SB) |
| |
| // When building with -buildmode=(c-shared or c-archive), this |
| // symbol is called. For dynamic libraries it is called when the |
| // library is loaded. For static libraries it is called when the |
| // final executable starts, during the C runtime initialization |
| // phase. |
| // Leave space for four pointers on the stack as required |
| // by the Windows amd64 calling convention. |
| TEXT _rt0_amd64_windows_lib(SB),NOSPLIT|NOFRAME,$40 |
| // Create a new thread to do the runtime initialization and return. |
| MOVQ BX, 32(SP) // callee-saved, preserved across the CALL |
| MOVQ SP, BX |
| ANDQ $~15, SP // alignment as per Windows requirement |
| MOVQ _cgo_sys_thread_create(SB), AX |
| MOVQ $_rt0_amd64_windows_lib_go(SB), CX |
| MOVQ $0, DX |
| CALL AX |
| MOVQ BX, SP |
| MOVQ 32(SP), BX |
| RET |
| |
| TEXT _rt0_amd64_windows_lib_go(SB),NOSPLIT|NOFRAME,$0 |
| MOVQ $0, DI |
| MOVQ $0, SI |
| MOVQ $runtime·rt0_go(SB), AX |
| JMP AX |
