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ntdll: Call the process entry point through RtlUserThreadStart(). 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2020-09-01 12:49:07 +02:00
parent 1a9558cf9b
commit c2c330532e
9 changed files with 50 additions and 47 deletions
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8
dlls/kernel32/tests/process.c
View File

@ -3304,7 +3304,7 @@ static void test_SuspendProcessState(void)
BOOL pipe_connected;
ULONG pipe_magic, numb;
BOOL ret;
void *entry_ptr, *peb_ptr;
void *user_thread_start, *start_ptr, *entry_ptr, *peb_ptr;
PEB child_peb;
exit_process_ptr = GetProcAddress(hkernel32, "ExitProcess");
@ -3365,6 +3365,7 @@ static void test_SuspendProcessState(void)
ok( ctx.EFlags == 0x200, "wrong flags %08x\n", ctx.EFlags );
ok( ctx.MxCsr == 0x1f80, "wrong mxcsr %08x\n", ctx.MxCsr );
ok( ctx.FltSave.ControlWord == 0x27f, "wrong control %08x\n", ctx.FltSave.ControlWord );
start_ptr = (void *)ctx.Rip;
entry_ptr = (void *)ctx.Rcx;
peb_ptr = (void *)ctx.Rdx;
@ -3395,6 +3396,7 @@ static void test_SuspendProcessState(void)
ok( (ctx.EFlags & ~2) == 0x200, "wrong flags %08x\n", ctx.EFlags );
ok( (WORD)ctx.FloatSave.ControlWord == 0x27f, "wrong control %08x\n", ctx.FloatSave.ControlWord );
ok( *(WORD *)ctx.ExtendedRegisters == 0x27f, "wrong control %08x\n", *(WORD *)ctx.ExtendedRegisters );
start_ptr = (void *)ctx.Eip;
entry_ptr = (void *)ctx.Eax;
peb_ptr = (void *)ctx.Ebx;
@ -3418,6 +3420,10 @@ static void test_SuspendProcessState(void)
ok( ret, "Failed to read PEB (%u)\n", GetLastError() );
ok( child_peb.ImageBaseAddress == exe_base, "wrong base %p/%p\n",
child_peb.ImageBaseAddress, exe_base );
user_thread_start = GetProcAddress( GetModuleHandleA("ntdll.dll"), "RtlUserThreadStart" );
if (user_thread_start)
ok( start_ptr == user_thread_start,
"wrong start addr %p / %p\n", start_ptr, user_thread_start );
ok( entry_ptr == (char *)exe_base + nt_header.OptionalHeader.AddressOfEntryPoint,
"wrong entry point %p/%p\n", entry_ptr,
(char *)exe_base + nt_header.OptionalHeader.AddressOfEntryPoint );

4
dlls/ntdll/thread.c
View File

@ -134,7 +134,7 @@ void DECLSPEC_HIDDEN call_thread_func( PRTL_THREAD_START_ROUTINE entry, void *ar
}
__EXCEPT(call_unhandled_exception_filter)
{
NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
NtTerminateProcess( GetCurrentThread(), GetExceptionCode() );
}
__ENDTRY
}
@ -150,7 +150,7 @@ void WINAPI RtlUserThreadStart( PRTL_THREAD_START_ROUTINE entry, void *arg )
}
__EXCEPT(call_unhandled_exception_filter)
{
NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
NtTerminateProcess( GetCurrentThread(), GetExceptionCode() );
}
__ENDTRY
}

2
dlls/ntdll/unix/server.c
View File

@ -1486,7 +1486,7 @@ void CDECL server_init_process_done( void *relay )
SERVER_END_REQ;
assert( !status );
signal_start_thread( entry, peb, suspend, relay, pLdrInitializeThunk, NtCurrentTeb() );
signal_start_thread( entry, peb, suspend, pLdrInitializeThunk, NtCurrentTeb() );
}

24
dlls/ntdll/unix/signal_arm.c
View File

@ -983,12 +983,12 @@ void signal_init_process(void)
/***********************************************************************
* init_thread_context
*/
static void init_thread_context( CONTEXT *context, LPTHREAD_START_ROUTINE entry, void *arg, void *relay )
static void init_thread_context( CONTEXT *context, LPTHREAD_START_ROUTINE entry, void *arg, TEB *teb )
{
context->R0 = (DWORD)entry;
context->R1 = (DWORD)arg;
context->Sp = (DWORD)NtCurrentTeb()->Tib.StackBase;
context->Pc = (DWORD)relay;
context->Sp = (DWORD)teb->Tib.StackBase;
context->Pc = (DWORD)pRtlUserThreadStart;
}
@ -996,7 +996,7 @@ static void init_thread_context( CONTEXT *context, LPTHREAD_START_ROUTINE entry,
* get_initial_context
*/
PCONTEXT DECLSPEC_HIDDEN get_initial_context( LPTHREAD_START_ROUTINE entry, void *arg,
BOOL suspend, void *relay )
BOOL suspend, TEB *teb )
{
CONTEXT *ctx;
@ -1004,15 +1004,15 @@ PCONTEXT DECLSPEC_HIDDEN get_initial_context( LPTHREAD_START_ROUTINE entry, void
{
CONTEXT context = { CONTEXT_ALL };
init_thread_context( &context, entry, arg, relay );
init_thread_context( &context, entry, arg, teb );
wait_suspend( &context );
ctx = (CONTEXT *)((ULONG_PTR)context.Sp & ~15) - 1;
*ctx = context;
}
else
{
ctx = (CONTEXT *)NtCurrentTeb()->Tib.StackBase - 1;
init_thread_context( ctx, entry, arg, relay );
ctx = (CONTEXT *)teb->Tib.StackBase - 1;
init_thread_context( ctx, entry, arg, teb );
}
pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
ctx->ContextFlags = CONTEXT_FULL;
@ -1026,12 +1026,12 @@ PCONTEXT DECLSPEC_HIDDEN get_initial_context( LPTHREAD_START_ROUTINE entry, void
__ASM_GLOBAL_FUNC( signal_start_thread,
".arm\n\t"
"push {r4-r12,lr}\n\t"
"ldr r5, [sp, #40]\n\t" /* thunk */
"mov r5, r3\n\t" /* thunk */
/* store exit frame */
"ldr r4, [sp, #44]\n\t" /* teb */
"str sp, [r4, #0x1d4]\n\t" /* teb->GdiTebBatch */
"ldr r3, [sp, #40]\n\t" /* teb */
"str sp, [r3, #0x1d4]\n\t" /* arm_thread_data()->exit_frame */
/* switch to thread stack */
"ldr r4, [r4, #4]\n\t" /* teb->Tib.StackBase */
"ldr r4, [r3, #4]\n\t" /* teb->Tib.StackBase */
"sub sp, r4, #0x1000\n\t"
/* attach dlls */
"bl " __ASM_NAME("get_initial_context") "\n\t"
@ -1042,7 +1042,7 @@ __ASM_GLOBAL_FUNC( signal_start_thread,
extern void DECLSPEC_NORETURN call_thread_exit_func( int status, void (*func)(int), TEB *teb );
__ASM_GLOBAL_FUNC( call_thread_exit_func,
".arm\n\t"
"ldr r3, [r2, #0x1d4]\n\t" /* teb->GdiTebBatch */
"ldr r3, [r2, #0x1d4]\n\t" /* arm_thread_data()->exit_frame */
"mov ip, #0\n\t"
"str ip, [r2, #0x1d4]\n\t"
"cmp r3, ip\n\t"

25
dlls/ntdll/unix/signal_arm64.c
View File

@ -1077,13 +1077,13 @@ void signal_init_process(void)
/***********************************************************************
* init_thread_context
*/
static void init_thread_context( CONTEXT *context, LPTHREAD_START_ROUTINE entry, void *arg, void *relay )
static void init_thread_context( CONTEXT *context, LPTHREAD_START_ROUTINE entry, void *arg, TEB *teb )
{
context->u.s.X0 = (DWORD64)entry;
context->u.s.X1 = (DWORD64)arg;
context->u.s.X18 = (DWORD64)NtCurrentTeb();
context->Sp = (DWORD64)NtCurrentTeb()->Tib.StackBase;
context->Pc = (DWORD64)relay;
context->u.s.X18 = (DWORD64)teb;
context->Sp = (DWORD64)teb->Tib.StackBase;
context->Pc = (DWORD64)pRtlUserThreadStart;
}
@ -1091,7 +1091,7 @@ static void init_thread_context( CONTEXT *context, LPTHREAD_START_ROUTINE entry,
* get_initial_context
*/
PCONTEXT DECLSPEC_HIDDEN get_initial_context( LPTHREAD_START_ROUTINE entry, void *arg,
BOOL suspend, void *relay )
BOOL suspend, TEB *teb )
{
CONTEXT *ctx;
@ -1099,15 +1099,15 @@ PCONTEXT DECLSPEC_HIDDEN get_initial_context( LPTHREAD_START_ROUTINE entry, void
{
CONTEXT context = { CONTEXT_ALL };
init_thread_context( &context, entry, arg, relay );
init_thread_context( &context, entry, arg, teb );
wait_suspend( &context );
ctx = (CONTEXT *)((ULONG_PTR)context.Sp & ~15) - 1;
*ctx = context;
}
else
{
ctx = (CONTEXT *)NtCurrentTeb()->Tib.StackBase - 1;
init_thread_context( ctx, entry, arg, relay );
ctx = (CONTEXT *)teb->Tib.StackBase - 1;
init_thread_context( ctx, entry, arg, teb );
}
pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
ctx->ContextFlags = CONTEXT_FULL;
@ -1120,15 +1120,16 @@ PCONTEXT DECLSPEC_HIDDEN get_initial_context( LPTHREAD_START_ROUTINE entry, void
*/
__ASM_GLOBAL_FUNC( signal_start_thread,
"stp x29, x30, [sp,#-16]!\n\t"
"mov x19, x4\n\t" /* thunk */
"mov x18, x5\n\t" /* teb */
"mov x19, x3\n\t" /* thunk */
"mov x18, x4\n\t" /* teb */
/* store exit frame */
"mov x29, sp\n\t"
"str x29, [x5, #0x2f0]\n\t" /* arm64_thread_data()->exit_frame */
"str x29, [x4, #0x2f0]\n\t" /* arm64_thread_data()->exit_frame */
/* switch to thread stack */
"ldr x5, [x5, #8]\n\t" /* teb->Tib.StackBase */
"ldr x5, [x4, #8]\n\t" /* teb->Tib.StackBase */
"sub sp, x5, #0x1000\n\t"
/* attach dlls */
"mov x3, x4\n\t"
"bl " __ASM_NAME("get_initial_context") "\n\t"
"mov lr, #0\n\t"
"br x19" )

16
dlls/ntdll/unix/signal_i386.c
View File

@ -2372,7 +2372,7 @@ void signal_init_process(void)
/***********************************************************************
* init_thread_context
*/
static void init_thread_context( CONTEXT *context, LPTHREAD_START_ROUTINE entry, void *arg, void *relay )
static void init_thread_context( CONTEXT *context, LPTHREAD_START_ROUTINE entry, void *arg )
{
context->SegCs = get_cs();
context->SegDs = get_ds();
@ -2384,7 +2384,7 @@ static void init_thread_context( CONTEXT *context, LPTHREAD_START_ROUTINE entry,
context->Eax = (DWORD)entry;
context->Ebx = (DWORD)arg;
context->Esp = (DWORD)NtCurrentTeb()->Tib.StackBase - 16;
context->Eip = (DWORD)relay;
context->Eip = (DWORD)pRtlUserThreadStart;
context->FloatSave.ControlWord = 0x27f;
((XSAVE_FORMAT *)context->ExtendedRegisters)->ControlWord = 0x27f;
((XSAVE_FORMAT *)context->ExtendedRegisters)->MxCsr = 0x1f80;
@ -2394,8 +2394,7 @@ static void init_thread_context( CONTEXT *context, LPTHREAD_START_ROUTINE entry,
/***********************************************************************
* get_initial_context
*/
PCONTEXT DECLSPEC_HIDDEN get_initial_context( LPTHREAD_START_ROUTINE entry, void *arg,
BOOL suspend, void *relay )
PCONTEXT DECLSPEC_HIDDEN get_initial_context( LPTHREAD_START_ROUTINE entry, void *arg, BOOL suspend )
{
CONTEXT *ctx;
@ -2403,7 +2402,7 @@ PCONTEXT DECLSPEC_HIDDEN get_initial_context( LPTHREAD_START_ROUTINE entry, void
{
CONTEXT context = { CONTEXT_ALL };
init_thread_context( &context, entry, arg, relay );
init_thread_context( &context, entry, arg );
wait_suspend( &context );
ctx = (CONTEXT *)((ULONG_PTR)context.Esp & ~15) - 1;
*ctx = context;
@ -2411,7 +2410,7 @@ PCONTEXT DECLSPEC_HIDDEN get_initial_context( LPTHREAD_START_ROUTINE entry, void
else
{
ctx = (CONTEXT *)((char *)NtCurrentTeb()->Tib.StackBase - 16) - 1;
init_thread_context( ctx, entry, arg, relay );
init_thread_context( ctx, entry, arg );
}
pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
ctx->ContextFlags = CONTEXT_FULL | CONTEXT_FLOATING_POINT | CONTEXT_EXTENDED_REGISTERS;
@ -2438,15 +2437,14 @@ __ASM_GLOBAL_FUNC( signal_start_thread,
"movl %ebp,%fs:0x1f4\n\t" /* x86_thread_data()->exit_frame */
/* switch to thread stack */
"movl %fs:4,%eax\n\t" /* NtCurrentTeb()->StackBase */
"leal -0x1000(%eax),%esp\n\t"
"leal -0x1004(%eax),%esp\n\t"
/* attach dlls */
"pushl 20(%ebp)\n\t" /* relay */
"pushl 16(%ebp)\n\t" /* suspend */
"pushl 12(%ebp)\n\t" /* arg */
"pushl 8(%ebp)\n\t" /* entry */
"call " __ASM_NAME("get_initial_context") "\n\t"
"movl %eax,(%esp)\n\t" /* context */
"movl 24(%ebp),%edx\n\t" /* thunk */
"movl 20(%ebp),%edx\n\t" /* thunk */
"xorl %ebp,%ebp\n\t"
"pushl $0\n\t"
"jmp *%edx" )

13
dlls/ntdll/unix/signal_x86_64.c
View File

@ -2631,14 +2631,14 @@ void signal_init_process(void)
/***********************************************************************
* init_thread_context
*/
static void init_thread_context( CONTEXT *context, LPTHREAD_START_ROUTINE entry, void *arg, void *relay )
static void init_thread_context( CONTEXT *context, LPTHREAD_START_ROUTINE entry, void *arg )
{
__asm__( "movw %%cs,%0" : "=m" (context->SegCs) );
__asm__( "movw %%ss,%0" : "=m" (context->SegSs) );
context->Rcx = (ULONG_PTR)entry;
context->Rdx = (ULONG_PTR)arg;
context->Rsp = (ULONG_PTR)NtCurrentTeb()->Tib.StackBase - 0x28;
context->Rip = (ULONG_PTR)relay;
context->Rip = (ULONG_PTR)pRtlUserThreadStart;
context->EFlags = 0x200;
context->u.FltSave.ControlWord = 0x27f;
context->u.FltSave.MxCsr = context->MxCsr = 0x1f80;
@ -2648,8 +2648,7 @@ static void init_thread_context( CONTEXT *context, LPTHREAD_START_ROUTINE entry,
/***********************************************************************
* get_initial_context
*/
PCONTEXT DECLSPEC_HIDDEN get_initial_context( LPTHREAD_START_ROUTINE entry, void *arg,
BOOL suspend, void *relay )
PCONTEXT DECLSPEC_HIDDEN get_initial_context( LPTHREAD_START_ROUTINE entry, void *arg, BOOL suspend )
{
CONTEXT *ctx;
@ -2658,7 +2657,7 @@ PCONTEXT DECLSPEC_HIDDEN get_initial_context( LPTHREAD_START_ROUTINE entry, void
CONTEXT context = { 0 };
context.ContextFlags = CONTEXT_ALL;
init_thread_context( &context, entry, arg, relay );
init_thread_context( &context, entry, arg );
wait_suspend( &context );
ctx = (CONTEXT *)((ULONG_PTR)context.Rsp & ~15) - 1;
*ctx = context;
@ -2666,7 +2665,7 @@ PCONTEXT DECLSPEC_HIDDEN get_initial_context( LPTHREAD_START_ROUTINE entry, void
else
{
ctx = (CONTEXT *)((char *)NtCurrentTeb()->Tib.StackBase - 0x30) - 1;
init_thread_context( ctx, entry, arg, relay );
init_thread_context( ctx, entry, arg );
}
pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
ctx->ContextFlags = CONTEXT_FULL;
@ -2699,7 +2698,7 @@ __ASM_GLOBAL_FUNC( signal_start_thread,
"movq %rsp,0x320(%rax)\n\t" /* amd64_thread_data()->exit_frame */
/* switch to thread stack */
"movq 8(%rax),%rax\n\t" /* NtCurrentTeb()->Tib.StackBase */
"movq %r8,%rbx\n\t" /* thunk */
"movq %rcx,%rbx\n\t" /* thunk */
"leaq -0x1000(%rax),%rsp\n\t"
/* attach dlls */
"call " __ASM_NAME("get_initial_context") "\n\t"

3
dlls/ntdll/unix/thread.c
View File

@ -99,8 +99,7 @@ static void start_thread( TEB *teb )
thread_data->pthread_id = pthread_self();
signal_init_thread( teb );
server_init_thread( thread_data->start, &suspend );
signal_start_thread( thread_data->start, thread_data->param, suspend,
pRtlUserThreadStart, pLdrInitializeThunk, teb );
signal_start_thread( thread_data->start, thread_data->param, suspend, pLdrInitializeThunk, teb );
}

2
dlls/ntdll/unix/unix_private.h
View File

@ -218,7 +218,7 @@ extern void signal_free_thread( TEB *teb ) DECLSPEC_HIDDEN;
extern void signal_init_thread( TEB *teb ) DECLSPEC_HIDDEN;
extern void signal_init_process(void) DECLSPEC_HIDDEN;
extern void DECLSPEC_NORETURN signal_start_thread( PRTL_THREAD_START_ROUTINE entry, void *arg,
BOOL suspend, void *relay, void *thunk, TEB *teb ) DECLSPEC_HIDDEN;
BOOL suspend, void *thunk, TEB *teb ) DECLSPEC_HIDDEN;
extern void DECLSPEC_NORETURN signal_exit_thread( int status, void (*func)(int) ) DECLSPEC_HIDDEN;
extern void __wine_syscall_dispatcher(void) DECLSPEC_HIDDEN;
extern void fill_vm_counters( VM_COUNTERS_EX *pvmi, int unix_pid ) DECLSPEC_HIDDEN;