mirror of
https://github.com/reactos/reactos.git
synced 2024-08-20 18:35:32 +00:00
190 lines
4.4 KiB
C
190 lines
4.4 KiB
C
/**
|
|
* This file has no copyright assigned and is placed in the Public Domain.
|
|
* This file is part of the w64 mingw-runtime package.
|
|
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
|
|
*
|
|
* Written by Kai Tietz <kai.tietz@onevision.com>
|
|
*/
|
|
|
|
#ifdef CRTDLL
|
|
#undef CRTDLL
|
|
#endif
|
|
|
|
#include <sect_attribs.h>
|
|
|
|
/*#ifndef WIN32_LEAN_AND_MEAN
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#endif
|
|
#include <windows.h>*/
|
|
|
|
#include <stdarg.h>
|
|
#include <windef.h>
|
|
#include <winbase.h>
|
|
|
|
#include <stdio.h>
|
|
#include <memory.h>
|
|
#include <malloc.h>
|
|
#ifndef _WIN64
|
|
#include <stdlib.h> /* for _winmajor */
|
|
#endif
|
|
|
|
#ifndef __INTERNAL_FUNC_DEFINED
|
|
#define __INTERNAL_FUNC_DEFINED
|
|
typedef void (__cdecl *_PVFV)(void);
|
|
typedef int (__cdecl *_PIFV)(void);
|
|
typedef void (__cdecl *_PVFI)(int);
|
|
#endif
|
|
|
|
extern WINBOOL __mingw_TLScallback (HANDLE hDllHandle, DWORD reason, LPVOID reserved);
|
|
|
|
#define FUNCS_PER_NODE 30
|
|
|
|
typedef struct TlsDtorNode {
|
|
int count;
|
|
struct TlsDtorNode *next;
|
|
_PVFV funcs[FUNCS_PER_NODE];
|
|
} TlsDtorNode;
|
|
|
|
ULONG _tls_index = 0;
|
|
|
|
/* TLS raw template data start and end. */
|
|
_CRTALLOC(".tls") char _tls_start = 0;
|
|
_CRTALLOC(".tls$ZZZ") char _tls_end = 0;
|
|
|
|
_CRTALLOC(".CRT$XLA") PIMAGE_TLS_CALLBACK __xl_a = 0;
|
|
_CRTALLOC(".CRT$XLZ") PIMAGE_TLS_CALLBACK __xl_z = 0;
|
|
|
|
_CRTALLOC(".rdata$T") const IMAGE_TLS_DIRECTORY _tls_used = {
|
|
(ULONG_PTR) &_tls_start+1, (ULONG_PTR) &_tls_end,
|
|
(ULONG_PTR) &_tls_index, (ULONG_PTR) (&__xl_a+1),
|
|
(ULONG) 0, (ULONG) 0
|
|
};
|
|
|
|
#ifndef __CRT_THREAD
|
|
#ifdef HAVE_ATTRIBUTE_THREAD
|
|
#define __CRT_THREAD __declspec(thread)
|
|
#else
|
|
#define __CRT_THREAD __thread
|
|
#endif
|
|
#endif
|
|
|
|
#define DISABLE_MS_TLS 1
|
|
|
|
static _CRTALLOC(".CRT$XDA") _PVFV __xd_a = 0;
|
|
static _CRTALLOC(".CRT$XDZ") _PVFV __xd_z = 0;
|
|
|
|
#if !defined (DISABLE_MS_TLS)
|
|
static __CRT_THREAD TlsDtorNode *dtor_list;
|
|
static __CRT_THREAD TlsDtorNode dtor_list_head;
|
|
#endif
|
|
|
|
extern int _CRT_MT;
|
|
|
|
#ifndef _WIN64
|
|
int __mingw_usemthread_dll;
|
|
#endif
|
|
|
|
BOOL WINAPI __dyn_tls_init (HANDLE, DWORD, LPVOID);
|
|
|
|
BOOL WINAPI
|
|
__dyn_tls_init (HANDLE hDllHandle, DWORD dwReason, LPVOID lpreserved)
|
|
{
|
|
_PVFV *pfunc;
|
|
uintptr_t ps;
|
|
|
|
/* We don't let us trick here. */
|
|
if (_CRT_MT != 2)
|
|
_CRT_MT = 2;
|
|
|
|
if (dwReason != DLL_THREAD_ATTACH)
|
|
{
|
|
if (dwReason == DLL_PROCESS_ATTACH)
|
|
__mingw_TLScallback (hDllHandle, dwReason, lpreserved);
|
|
return TRUE;
|
|
}
|
|
|
|
ps = (uintptr_t) &__xd_a;
|
|
ps += sizeof (uintptr_t);
|
|
for ( ; ps != (uintptr_t) &__xd_z; ps += sizeof (uintptr_t))
|
|
{
|
|
pfunc = (_PVFV *) ps;
|
|
if (*pfunc != NULL)
|
|
(*pfunc)();
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
const PIMAGE_TLS_CALLBACK __dyn_tls_init_callback = (const PIMAGE_TLS_CALLBACK) __dyn_tls_init;
|
|
_CRTALLOC(".CRT$XLC") PIMAGE_TLS_CALLBACK __xl_c = (PIMAGE_TLS_CALLBACK) __dyn_tls_init;
|
|
|
|
int __cdecl __tlregdtor (_PVFV);
|
|
|
|
int __cdecl
|
|
__tlregdtor (_PVFV func)
|
|
{
|
|
if (!func)
|
|
return 0;
|
|
#if !defined (DISABLE_MS_TLS)
|
|
if (dtor_list == NULL)
|
|
{
|
|
dtor_list = &dtor_list_head;
|
|
dtor_list_head.count = 0;
|
|
}
|
|
else if (dtor_list->count == FUNCS_PER_NODE)
|
|
{
|
|
TlsDtorNode *pnode = (TlsDtorNode *) malloc (sizeof (TlsDtorNode));
|
|
if (pnode == NULL)
|
|
return -1;
|
|
pnode->count = 0;
|
|
pnode->next = dtor_list;
|
|
dtor_list = pnode;
|
|
|
|
dtor_list->count = 0;
|
|
}
|
|
dtor_list->funcs[dtor_list->count++] = func;
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static BOOL WINAPI
|
|
__dyn_tls_dtor (HANDLE hDllHandle, DWORD dwReason, LPVOID lpreserved)
|
|
{
|
|
#if !defined (DISABLE_MS_TLS)
|
|
TlsDtorNode *pnode, *pnext;
|
|
int i;
|
|
#endif
|
|
|
|
if (dwReason != DLL_THREAD_DETACH && dwReason != DLL_PROCESS_DETACH)
|
|
return TRUE;
|
|
/* As TLS variables are detroyed already by DLL_THREAD_DETACH
|
|
call, we have to avoid access on the possible DLL_PROCESS_DETACH
|
|
call the already destroyed TLS vars.
|
|
TODO: The used local thread based variables have to be handled
|
|
manually, so that we can control their lifetime here. */
|
|
#if !defined (DISABLE_MS_TLS)
|
|
if (dwReason != DLL_PROCESS_DETACH)
|
|
{
|
|
for (pnode = dtor_list; pnode != NULL; pnode = pnext)
|
|
{
|
|
for (i = pnode->count - 1; i >= 0; --i)
|
|
{
|
|
if (pnode->funcs[i] != NULL)
|
|
(*pnode->funcs[i])();
|
|
}
|
|
pnext = pnode->next;
|
|
if (pnext != NULL)
|
|
free ((void *) pnode);
|
|
}
|
|
}
|
|
#endif
|
|
__mingw_TLScallback (hDllHandle, dwReason, lpreserved);
|
|
return TRUE;
|
|
}
|
|
|
|
_CRTALLOC(".CRT$XLD") PIMAGE_TLS_CALLBACK __xl_d = (PIMAGE_TLS_CALLBACK) __dyn_tls_dtor;
|
|
|
|
|
|
int mingw_initltsdrot_force = 0;
|
|
int mingw_initltsdyn_force = 0;
|
|
int mingw_initltssuo_force = 0;
|