diff options
Diffstat (limited to 'src/pkg/runtime/cgo/windows_386.c')
-rwxr-xr-x | src/pkg/runtime/cgo/windows_386.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/pkg/runtime/cgo/windows_386.c b/src/pkg/runtime/cgo/windows_386.c new file mode 100755 index 000000000..5f5235bd2 --- /dev/null +++ b/src/pkg/runtime/cgo/windows_386.c @@ -0,0 +1,57 @@ +// 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 "libcgo.h" + +static void *threadentry(void*); + +/* From what I've read 1MB is default for 32-bit Linux. + Allocation granularity on Windows is typically 64 KB. */ +#define STACKSIZE (1*1024*1024) + +static void +xinitcgo(void) +{ +} + +void (*initcgo)(void) = xinitcgo; + +void +libcgo_sys_thread_start(ThreadStart *ts) +{ + ts->g->stackguard = STACKSIZE; + _beginthread(threadentry, STACKSIZE, ts); +} + +static void* +threadentry(void *v) +{ + ThreadStart ts; + + ts = *(ThreadStart*)v; + free(v); + + ts.g->stackbase = (uintptr)&ts; + + /* + * libcgo_sys_thread_start set stackguard to stack size; + * change to actual guard pointer. + */ + ts.g->stackguard = (uintptr)&ts - ts.g->stackguard + 4096; + + /* + * Set specific keys in thread local storage. + */ + asm volatile ( + "MOVL %%fs:0x2c, %%eax\n" // MOVL 0x24(FS), tmp + "movl %0, 0(%%eax)\n" // MOVL g, 0(FS) + "movl %1, 4(%%eax)\n" // MOVL m, 4(FS) + :: "r"(ts.g), "r"(ts.m) : "%eax" + ); + + crosscall_386(ts.fn); + return nil; +} |