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user: Store the pointer to the winproc in the thunk structure. 

This allows simplifying the handling of 16-bit thunks.
This commit is contained in:
Alexandre Julliard 2006-05-10 15:50:18 +02:00
parent c8ce866a8a
commit 99dc29d926
2 changed files with 86 additions and 77 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
dlls/user/user.exe.spec
View File

@ -563,5 +563,4 @@
1001 pascal -ret16 GetProcessDefaultLayout(ptr) GetProcessDefaultLayout16
# Wine internal functions
1010 pascal __wine_call_wndproc_32A(word word word long long) __wine_call_wndproc_32A
1011 pascal __wine_call_wndproc_32W(word word word long long) __wine_call_wndproc_32W
1010 pascal __wine_call_wndproc(word word word long long) __wine_call_wndproc

148
dlls/user/winproc.c
View File

@ -54,10 +54,10 @@ typedef struct
{
BYTE popl_eax; /* popl %eax (return address) */
BYTE pushl_func; /* pushl $proc */
WNDPROC proc;
struct tagWINDOWPROC *proc;
BYTE pushl_eax; /* pushl %eax */
BYTE ljmp; /* ljmp relay*/
DWORD relay_offset; /* __wine_call_wndproc_32A/W */
DWORD relay_offset; /* __wine_call_wndproc */
WORD relay_sel;
} WINPROC_THUNK;
@ -76,7 +76,11 @@ typedef struct tagWINDOWPROC
{
WINPROC_THUNK thunk; /* Thunk */
BYTE type; /* Function type */
union
{
WNDPROC16 proc16; /* 16-bit window proc */
WNDPROC proc32; /* 32-bit window proc */
} u;
} WINDOWPROC;
typedef enum
@ -119,7 +123,7 @@ static inline WINDOWPROC *find_winproc16( WNDPROC16 func )
for (i = 0; i < winproc_used; i++)
{
if (winproc_array[i].type == WIN_PROC_16 && winproc_array[i].proc16 == func)
if (winproc_array[i].type == WIN_PROC_16 && winproc_array[i].u.proc16 == func)
return &winproc_array[i];
}
return NULL;
@ -133,48 +137,36 @@ static inline WINDOWPROC *find_winproc( WNDPROC func, BOOL unicode )
for (i = 0; i < winproc_used; i++)
{
if (winproc_array[i].thunk.proc == func &&
if (winproc_array[i].u.proc32 == func &&
winproc_array[i].type == (unicode ? WIN_PROC_32W : WIN_PROC_32A))
return &winproc_array[i];
}
return NULL;
}
/* initialize a new 16-bit winproc */
static inline void set_winproc16( WINDOWPROC *proc, WNDPROC16 func )
/* allocate and initialize a new winproc */
static inline WINDOWPROC *alloc_winproc(void)
{
proc->proc16 = func;
proc->type = WIN_PROC_16;
}
WINDOWPROC *proc;
/* initialize a new winproc */
static inline void set_winproc( WINDOWPROC *proc, WNDPROC func, BOOL unicode )
{
if (winproc_used >= MAX_WINPROCS) return NULL;
proc = &winproc_array[winproc_used++];
#ifdef __i386__
static FARPROC16 relay_32A, relay_32W;
{
static FARPROC16 relay;
if (!relay) relay = GetProcAddress16( GetModuleHandle16("user"), "__wine_call_wndproc" );
proc->thunk.popl_eax = 0x58; /* popl %eax */
proc->thunk.pushl_func = 0x68; /* pushl $proc */
proc->thunk.proc = proc;
proc->thunk.pushl_eax = 0x50; /* pushl %eax */
proc->thunk.ljmp = 0xea; /* ljmp relay*/
if (!unicode)
{
if (!relay_32A) relay_32A = GetProcAddress16( GetModuleHandle16("user"),
"__wine_call_wndproc_32A" );
proc->thunk.relay_offset = OFFSETOF(relay_32A);
proc->thunk.relay_sel = SELECTOROF(relay_32A);
}
else
{
if (!relay_32W) relay_32W = GetProcAddress16( GetModuleHandle16("user"),
"__wine_call_wndproc_32W" );
proc->thunk.relay_offset = OFFSETOF(relay_32W);
proc->thunk.relay_sel = SELECTOROF(relay_32W);
proc->thunk.relay_offset = OFFSETOF(relay);
proc->thunk.relay_sel = SELECTOROF(relay);
}
#endif /* __i386__ */
proc->thunk.proc = func;
proc->proc16 = 0;
proc->type = unicode ? WIN_PROC_32W : WIN_PROC_32A;
return proc;
}
static WORD get_winproc_selector(void)
@ -471,7 +463,7 @@ WNDPROC16 WINPROC_GetProc16( WNDPROC proc )
if (!ptr) return 0;
if (ptr->type == WIN_PROC_16)
return ptr->proc16;
return ptr->u.proc16;
else
return (WNDPROC16)MAKESEGPTR( get_winproc_selector(),
(char *)&ptr->thunk - (char *)winproc_array );
@ -488,7 +480,7 @@ WNDPROC WINPROC_GetProc( WNDPROC proc, BOOL unicode )
WINDOWPROC *ptr = handle_to_proc( proc );
if (!ptr || ptr->type != (unicode ? WIN_PROC_32W : WIN_PROC_32A)) return proc;
return ptr->thunk.proc; /* we can return the original proc in that case */
return ptr->u.proc32; /* we can return the original proc in that case */
}
@ -507,28 +499,27 @@ WNDPROC WINPROC_AllocProc16( WNDPROC16 func )
if (!func) return NULL;
EnterCriticalSection( &winproc_cs );
/* check if the function is already a win proc */
if (!(proc = handle16_to_proc( func )))
{
EnterCriticalSection( &winproc_cs );
/* then check if we already have a winproc for that function */
if (!(proc = find_winproc16( func )))
{
if (winproc_used >= MAX_WINPROCS)
FIXME( "too many winprocs, cannot allocate one for 16-bit %p\n", func );
else
if ((proc = alloc_winproc()))
{
proc = &winproc_array[winproc_used++];
set_winproc16( proc, func );
proc->type = WIN_PROC_16;
proc->u.proc16 = func;
TRACE( "allocated %p for %p/16-bit (%d/%d used)\n",
proc_to_handle(proc), func, winproc_used, MAX_WINPROCS );
}
else FIXME( "too many winprocs, cannot allocate one for 16-bit %p\n", func );
}
else TRACE( "reusing %p for %p/16-bit\n", proc_to_handle(proc), func );
}
LeaveCriticalSection( &winproc_cs );
}
return proc_to_handle( proc );
}
@ -556,21 +547,19 @@ WNDPROC WINPROC_AllocProc( WNDPROC func, BOOL unicode )
/* then check if we already have a winproc for that function */
if (!(proc = find_winproc( func, unicode )))
{
if (winproc_used >= MAX_WINPROCS)
FIXME( "too many winprocs, cannot allocate one for %p %c\n", func, unicode ? 'W' : 'A' );
else
if ((proc = alloc_winproc()))
{
proc = &winproc_array[winproc_used++];
set_winproc( proc, func, unicode );
proc->type = unicode ? WIN_PROC_32W : WIN_PROC_32A;
proc->u.proc32 = func;
TRACE( "allocated %p for %p %c (%d/%d used)\n",
proc_to_handle(proc), func, unicode ? 'W' : 'A', winproc_used, MAX_WINPROCS );
}
else FIXME( "too many winprocs, cannot allocate one for %p %c\n", func, unicode ? 'W' : 'A' );
}
else TRACE( "reusing %p for %p %c\n", proc_to_handle(proc), func, unicode ? 'W' : 'A' );
LeaveCriticalSection( &winproc_cs );
}
return proc_to_handle( proc );
}
@ -3077,10 +3066,10 @@ static LRESULT WINPROC_CallProc32WTo32A( WNDPROC func, HWND hwnd,
/**********************************************************************
* __wine_call_wndproc_32A (USER.1010)
* WINPROC_CallProc16To32A
*/
LRESULT WINAPI __wine_call_wndproc_32A( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
WNDPROC func )
static LRESULT WINPROC_CallProc16To32A( WNDPROC func, HWND16 hwnd, UINT16 msg,
WPARAM16 wParam, LPARAM lParam )
{
LRESULT result;
UINT msg32;
@ -3098,10 +3087,10 @@ LRESULT WINAPI __wine_call_wndproc_32A( HWND16 hwnd, UINT16 msg, WPARAM16 wParam
/**********************************************************************
* __wine_call_wndproc_32W (USER.1011)
* WINPROC_CallProc16To32W
*/
LRESULT WINAPI __wine_call_wndproc_32W( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
WNDPROC func )
static LRESULT WINPROC_CallProc16To32W( WNDPROC func, HWND16 hwnd, UINT16 msg,
WPARAM16 wParam, LPARAM lParam )
{
LRESULT result;
UINT msg32;
@ -3119,6 +3108,27 @@ LRESULT WINAPI __wine_call_wndproc_32W( HWND16 hwnd, UINT16 msg, WPARAM16 wPara
}
/**********************************************************************
* __wine_call_wndproc (USER.1010)
*/
LRESULT WINAPI __wine_call_wndproc( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam,
WINDOWPROC *proc )
{
switch(proc->type)
{
case WIN_PROC_16:
return WINPROC_CallWndProc16( proc->u.proc16, hwnd, msg, wParam, lParam );
case WIN_PROC_32A:
return WINPROC_CallProc16To32A( proc->u.proc32, hwnd, msg, wParam, lParam );
case WIN_PROC_32W:
return WINPROC_CallProc16To32W( proc->u.proc32, hwnd, msg, wParam, lParam );
default:
WARN_(relay)("Invalid proc %p\n", proc );
return 0;
}
}
/**********************************************************************
* WINPROC_CallProc32ATo16
*
@ -3184,11 +3194,11 @@ LRESULT WINAPI CallWindowProc16( WNDPROC16 func, HWND16 hwnd, UINT16 msg,
switch(proc->type)
{
case WIN_PROC_16:
return WINPROC_CallWndProc16( proc->proc16, hwnd, msg, wParam, lParam );
return WINPROC_CallWndProc16( proc->u.proc16, hwnd, msg, wParam, lParam );
case WIN_PROC_32A:
return __wine_call_wndproc_32A( hwnd, msg, wParam, lParam, proc->thunk.proc );
return WINPROC_CallProc16To32A( proc->u.proc32, hwnd, msg, wParam, lParam );
case WIN_PROC_32W:
return __wine_call_wndproc_32W( hwnd, msg, wParam, lParam, proc->thunk.proc );
return WINPROC_CallProc16To32W( proc->u.proc32, hwnd, msg, wParam, lParam );
default:
WARN_(relay)("Invalid proc %p\n", proc );
return 0;
@ -3237,11 +3247,11 @@ LRESULT WINAPI CallWindowProcA(
switch(proc->type)
{
case WIN_PROC_16:
return WINPROC_CallProc32ATo16( proc->proc16, hwnd, msg, wParam, lParam );
return WINPROC_CallProc32ATo16( proc->u.proc16, hwnd, msg, wParam, lParam );
case WIN_PROC_32A:
return WINPROC_CallWndProc( proc->thunk.proc, hwnd, msg, wParam, lParam );
return WINPROC_CallWndProc( proc->u.proc32, hwnd, msg, wParam, lParam );
case WIN_PROC_32W:
return WINPROC_CallProc32ATo32W( proc->thunk.proc, hwnd, msg, wParam, lParam );
return WINPROC_CallProc32ATo32W( proc->u.proc32, hwnd, msg, wParam, lParam );
default:
WARN_(relay)("Invalid proc %p\n", proc );
return 0;
@ -3267,11 +3277,11 @@ LRESULT WINAPI CallWindowProcW( WNDPROC func, HWND hwnd, UINT msg,
switch(proc->type)
{
case WIN_PROC_16:
return WINPROC_CallProc32WTo16( proc->proc16, hwnd, msg, wParam, lParam );
return WINPROC_CallProc32WTo16( proc->u.proc16, hwnd, msg, wParam, lParam );
case WIN_PROC_32A:
return WINPROC_CallProc32WTo32A( proc->thunk.proc, hwnd, msg, wParam, lParam );
return WINPROC_CallProc32WTo32A( proc->u.proc32, hwnd, msg, wParam, lParam );
case WIN_PROC_32W:
return WINPROC_CallWndProc( proc->thunk.proc, hwnd, msg, wParam, lParam );
return WINPROC_CallWndProc( proc->u.proc32, hwnd, msg, wParam, lParam );
default:
WARN_(relay)("Invalid proc %p\n", proc );
return 0;
@ -3294,11 +3304,11 @@ INT_PTR WINPROC_CallDlgProc16( DLGPROC16 func, HWND16 hwnd, UINT16 msg, WPARAM16
switch(proc->type)
{
case WIN_PROC_16:
return LOWORD( WINPROC_CallWndProc16( proc->proc16, hwnd, msg, wParam, lParam ) );
return LOWORD( WINPROC_CallWndProc16( proc->u.proc16, hwnd, msg, wParam, lParam ) );
case WIN_PROC_32A:
return __wine_call_wndproc_32A( hwnd, msg, wParam, lParam, proc->thunk.proc );
return WINPROC_CallProc16To32A( proc->u.proc32, hwnd, msg, wParam, lParam );
case WIN_PROC_32W:
return __wine_call_wndproc_32W( hwnd, msg, wParam, lParam, proc->thunk.proc );
return WINPROC_CallProc16To32W( proc->u.proc32, hwnd, msg, wParam, lParam );
default:
WARN_(relay)("Invalid proc %p\n", proc );
return 0;
@ -3321,11 +3331,11 @@ INT_PTR WINPROC_CallDlgProcA( DLGPROC func, HWND hwnd, UINT msg, WPARAM wParam,
switch(proc->type)
{
case WIN_PROC_16:
return LOWORD( WINPROC_CallProc32ATo16( proc->proc16, hwnd, msg, wParam, lParam ) );
return LOWORD( WINPROC_CallProc32ATo16( proc->u.proc16, hwnd, msg, wParam, lParam ) );
case WIN_PROC_32A:
return WINPROC_CallWndProc( proc->thunk.proc, hwnd, msg, wParam, lParam );
return WINPROC_CallWndProc( proc->u.proc32, hwnd, msg, wParam, lParam );
case WIN_PROC_32W:
return WINPROC_CallProc32ATo32W( proc->thunk.proc, hwnd, msg, wParam, lParam );
return WINPROC_CallProc32ATo32W( proc->u.proc32, hwnd, msg, wParam, lParam );
default:
WARN_(relay)("Invalid proc %p\n", proc );
return 0;
@ -3348,11 +3358,11 @@ INT_PTR WINPROC_CallDlgProcW( DLGPROC func, HWND hwnd, UINT msg, WPARAM wParam,
switch(proc->type)
{
case WIN_PROC_16:
return LOWORD( WINPROC_CallProc32WTo16( proc->proc16, hwnd, msg, wParam, lParam ));
return LOWORD( WINPROC_CallProc32WTo16( proc->u.proc16, hwnd, msg, wParam, lParam ));
case WIN_PROC_32A:
return WINPROC_CallProc32WTo32A( proc->thunk.proc, hwnd, msg, wParam, lParam );
return WINPROC_CallProc32WTo32A( proc->u.proc32, hwnd, msg, wParam, lParam );
case WIN_PROC_32W:
return WINPROC_CallWndProc( proc->thunk.proc, hwnd, msg, wParam, lParam );
return WINPROC_CallWndProc( proc->u.proc32, hwnd, msg, wParam, lParam );
default:
WARN_(relay)("Invalid proc %p\n", proc );
return 0;