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- added NT fields to TEB

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- moved tls-fields and some wine specific fields to a higher offset
- added some documentation
- initialisation of the UnicodeString
This commit is contained in:
Juergen Schmied 2000-01-15 22:22:27 +00:00 committed by Alexandre Julliard
parent f84e8eaf8a
commit 74341020f4
2 changed files with 95 additions and 56 deletions
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145
include/thread.h
View File

@ -11,68 +11,101 @@
#include "winbase.h"
#include "syslevel.h"
#include "selectors.h" /* for SET_FS */
#include "ntdef.h" /* UNICODE_STRING */
struct _PDB;
struct __EXCEPTION_FRAME;
/* Thread exception block */
/* Thread exception block
flags in the comment:
1-- win95 field
d-- win95 debug version
-2- nt field
--3 wine special
--n wine unused
!-- or -!- likely or observed collision
more problems (collected from mailing list):
psapi.dll 0x10/0x30 (expects nt fields)
ie4 0x40
PESHiELD 0x23/0x30 (win95)
*/
typedef struct _TEB
{
struct __EXCEPTION_FRAME *except; /* 00 Head of exception handling chain */
void *stack_top; /* 04 Top of thread stack */
void *stack_low; /* 08 Stack low-water mark */
HTASK16 htask16; /* 0c Win16 task handle */
WORD stack_sel; /* 0e 16-bit stack selector */
DWORD selman_list; /* 10 Selector manager list */
DWORD user_ptr; /* 14 User pointer */
struct _TEB *self; /* 18 Pointer to this structure */
WORD flags; /* 1c Flags */
WORD mutex_count; /* 1e Win16 mutex count */
DWORD debug_context; /* 20 Debug context */
void *tid; /* 24 Thread id */
HQUEUE16 queue; /* 28 Message queue */
WORD pad1; /* 2a */
LPVOID *tls_ptr; /* 2c Pointer to TLS array */
struct _PDB *process; /* 30 owning process (used by NT3.51 applets)*/
int socket; /* 34 Socket for server communication */
DWORD exit_code; /* 38 Termination status */
WORD teb_sel; /* 3c Selector to TEB */
WORD emu_sel; /* 3e 80387 emulator selector */
DWORD unknown1; /* 40 seems to be used by IE */
DWORD unknown2; /* 44 */
void (*startup)(void); /* 48 Thread startup routine */
int thread_errno; /* 4c Per-thread errno (was: ring0_thread) */
int thread_h_errno; /* 50 Per-thread h_errno (was: ptr to tdbx structure) */
void *stack_base; /* 54 Base of the stack */
void *signal_stack; /* 58 Signal stack (was: exit_stack) */
void *emu_data; /* 5c Related to 80387 emulation */
DWORD last_error; /* 60 Last error code */
HANDLE event; /* 64 Thread event (was: debugger context block) */
DWORD debug_thread; /* 68 Thread debugging this one (?) */
void *pcontext; /* 6c Thread register context */
DWORD cur_stack; /* 70 Current stack (was: unknown) */
DWORD unknown3[2]; /* 74 Unknown */
WORD current_ss; /* 7c Another 16-bit stack selector */
WORD pad2; /* 7e */
void *ss_table; /* 80 Pointer to info about 16-bit stack */
WORD thunk_ss; /* 84 Yet another 16-bit stack selector */
WORD pad3; /* 86 */
LPVOID tls_array[64]; /* 88 Thread local storage */
DWORD delta_priority; /* 188 Priority delta */
DWORD unknown4[7]; /* 18c Unknown */
void *create_data; /* 1a8 Pointer to creation structure */
DWORD suspend_count; /* 1ac SuspendThread() counter */
void *entry_point; /* 1b0 Thread entry point (was: unknown) */
void *entry_arg; /* 1b4 Entry point arg (was: unknown) */
DWORD unknown5[4]; /* 1b8 Unknown */
DWORD sys_count[4]; /* 1c8 Syslevel mutex entry counters */
SYSLEVEL *sys_mutex[4]; /* 1d8 Syslevel mutex pointers */
DWORD unknown6[2]; /* 1e8 Unknown */
/* The following are Wine-specific fields */
struct _TEB *next; /* Global thread list */
DWORD cleanup; /* Cleanup service handle */
void *buffer; /* Buffer shared with server */
int buffer_size; /* Size of server buffer */
/* start of NT_TIB */
struct __EXCEPTION_FRAME *except; /* 12- 00 Head of exception handling chain */
void *stack_top; /* 12- 04 Top of thread stack */
void *stack_low; /* 12- 08 Stack low-water mark */
HTASK16 htask16; /* 1-- 0c Win16 task handle */
WORD stack_sel; /* 1-- 0e 16-bit stack selector */
DWORD selman_list; /* 1-n 10 Selector manager list */
DWORD user_ptr; /* 12n 14 User pointer */
/* end of NT_TIB */
struct _TEB *self; /* 12- 18 Pointer to this structure */
WORD tibflags; /* 1!n 1c Flags (NT: EnvironmentPointer) */
WORD mutex_count; /* 1-n 1e Win16 mutex count */
DWORD debug_context; /* 1!n 20 Debug context (NT: PVOID UniqueProcess) */
void *tid; /* -2- 24 Thread id */
HQUEUE16 queue; /* 1!- 28 Message queue (NT: DWORD ActiveRpcHandle)*/
WORD pad1; /* --n 2a */
LPVOID *tls_ptr; /* 1-- 2c Pointer to TLS array */
struct _PDB *process; /* 12- 30 owning process (win95: PDB; nt: NTPEB !!) */
DWORD flags; /* 1-n 34 */
DWORD exit_code; /* 1-- 38 Termination status */
WORD teb_sel; /* 1-- 3c Selector to TEB */
WORD emu_sel; /* 1-n 3e 80387 emulator selector */
DWORD unknown1; /* --n 40 */
DWORD unknown2; /* --n 44 */
void (*startup)(void); /* --3 48 Thread startup routine */
int thread_errno; /* --3 4c Per-thread errno (was: ring0_thread) */
int thread_h_errno; /* --3 50 Per-thread h_errno (was: ptr to tdbx structure) */
void *stack_base; /* 1-- 54 Base of the stack */
void *signal_stack; /* --3 58 Signal stack (was: exit_stack) */
void *emu_data; /* --n 5c Related to 80387 emulation */
DWORD last_error; /* 1-- 60 Last error code */
HANDLE event; /* --3 64 Thread event (was: debugger context block) */
DWORD debug_thread; /* 1-n 68 Thread debugging this one (?) */
void *pcontext; /* 1-n 6c Thread register context */
DWORD cur_stack; /* --3 70 Current stack (was: unknown) */
DWORD ThunkConnect; /* 1-n 74 */
DWORD NegStackBase; /* 1-n 78 */
WORD current_ss; /* 1-n 7c Another 16-bit stack selector */
WORD pad2; /* --n 7e */
void *ss_table; /* --n 80 Pointer to info about 16-bit stack */
WORD thunk_ss; /* --n 84 Yet another 16-bit stack selector */
WORD pad3; /* --n 86 */
DWORD pad4[15]; /* --n 88 */
ULONG CurrentLocale; /* -2n C4 */
DWORD pad5[48]; /* --n C8 */
DWORD delta_priority; /* 1-n 188 Priority delta */
DWORD unknown4[7]; /* d-n 18c Unknown */
void *create_data; /* d-n 1a8 Pointer to creation structure */
DWORD suspend_count; /* d-n 1ac SuspendThread() counter */
void *entry_point; /* --3 1b0 Thread entry point (was: unknown) */
void *entry_arg; /* --3 1b4 Entry point arg (was: unknown) */
DWORD unknown5[4]; /* --n 1b8 Unknown */
DWORD sys_count[4]; /* --3 1c8 Syslevel mutex entry counters */
SYSLEVEL *sys_mutex[4]; /* --3 1d8 Syslevel mutex pointers */
DWORD unknown6[5]; /* --n 1e8 Unknown */
/* The following are Wine-specific fields (NT: GDI stuff) */
struct _TEB *next; /* --3 1fc Global thread list */
DWORD cleanup; /* --3 200 Cleanup service handle */
int socket; /* --3 204 Socket for server communication */
void *buffer; /* --3 208 Buffer shared with server */
int buffer_size; /* --3 20c Size of server buffer */
/* here is plenty space for wine specific fields (don't forget to change pad6!!) */
/* the following are nt specific fields */
DWORD pad6[634]; /* --n 210 */
UNICODE_STRING StaticUnicodeString; /* -2- bf8 used by advapi32 */
USHORT StaticUnicodeBuffer[261]; /* -2- c00 used by advapi32 */
DWORD pad7; /* --n e0c */
LPVOID tls_array[64]; /* -2- e10 Thread local storage */
DWORD pad8[3]; /* --n f10 */
PVOID ReservedForNtRpc; /* -2- f1c used by rpcrt4 */
DWORD pad9[24]; /* --n f20 */
PVOID ReservedForOle; /* -2- f80 used by ole32 */
} TEB;
/* Thread exception flags */

6
scheduler/thread.c
View File

@ -123,6 +123,12 @@ static BOOL THREAD_InitTEB( TEB *teb, DWORD stack_size, BOOL alloc_stack16,
if (!(teb->event = CreateEventA( NULL, FALSE, FALSE, NULL ))) goto error;
teb->event = ConvertToGlobalHandle( teb->event );
/* StaticUnicodeString */
teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
teb->StaticUnicodeString.Buffer = (PWSTR)teb->StaticUnicodeBuffer;
return TRUE;
error: