mirror of https://go.googlesource.com/go
53 lines
1.0 KiB
C
53 lines
1.0 KiB
C
// Copyright 2009 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.
|
|
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <windows.h>
|
|
#include <process.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include "libcgo.h"
|
|
#include "libcgo_windows.h"
|
|
|
|
static void threadentry(void*);
|
|
static void (*setg_gcc)(void*);
|
|
static DWORD *tls_g;
|
|
|
|
void
|
|
x_cgo_init(G *g, void (*setg)(void*), void **tlsg, void **tlsbase)
|
|
{
|
|
setg_gcc = setg;
|
|
tls_g = (DWORD *)tlsg;
|
|
}
|
|
|
|
|
|
void
|
|
_cgo_sys_thread_start(ThreadStart *ts)
|
|
{
|
|
_cgo_beginthread(threadentry, ts);
|
|
}
|
|
|
|
extern void crosscall1(void (*fn)(void), void (*setg_gcc)(void*), void *g);
|
|
static void
|
|
threadentry(void *v)
|
|
{
|
|
ThreadStart ts;
|
|
|
|
ts = *(ThreadStart*)v;
|
|
free(v);
|
|
|
|
// minit queries stack bounds from the OS.
|
|
|
|
/*
|
|
* Set specific keys in thread local storage.
|
|
*/
|
|
asm volatile (
|
|
"movq %0, %%gs:0(%1)\n" // MOVL tls0, 0(tls_g)(GS)
|
|
:: "r"(ts.tls), "r"(*tls_g)
|
|
);
|
|
|
|
crosscall1(ts.fn, setg_gcc, (void*)ts.g);
|
|
}
|