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wow64: Implement Wow64ApcRoutine(). 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2021-08-04 16:39:22 +02:00
parent ae21ddb024
commit 477478f79c
1 changed files with 65 additions and 1 deletions
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66
dlls/wow64/syscall.c
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@ -543,7 +543,71 @@ void * WINAPI Wow64AllocateTemp( SIZE_T size )
*/ */
void WINAPI Wow64ApcRoutine( ULONG_PTR arg1, ULONG_PTR arg2, ULONG_PTR arg3, CONTEXT *context ) void WINAPI Wow64ApcRoutine( ULONG_PTR arg1, ULONG_PTR arg2, ULONG_PTR arg3, CONTEXT *context )
{ {
FIXME( "stub %lx %lx %lx\n", arg1, arg2, arg3 ); NTSTATUS retval;
#ifdef __x86_64__
retval = context->Rax;
#elif defined(__aarch64__)
retval = context->X0;
#endif
/* cf. 32-bit call_user_apc_dispatcher */
switch (current_machine)
{
case IMAGE_FILE_MACHINE_I386:
{
struct apc_stack_layout
{
ULONG ret;
ULONG context_ptr;
ULONG arg1;
ULONG arg2;
ULONG arg3;
ULONG func;
I386_CONTEXT context;
} *stack;
I386_CONTEXT ctx = { CONTEXT_I386_FULL };
NtQueryInformationThread( GetCurrentThread(), ThreadWow64Context, &ctx, sizeof(ctx), NULL );
stack = (struct apc_stack_layout *)ULongToPtr( ctx.Esp & ~3 ) - 1;
stack->context_ptr = PtrToUlong( &stack->context );
stack->func = arg1 >> 32;
stack->arg1 = arg1;
stack->arg2 = arg2;
stack->arg3 = arg3;
stack->context = ctx;
stack->context.Eax = retval;
ctx.Esp = PtrToUlong( stack );
ctx.Eip = pLdrSystemDllInitBlock->pKiUserApcDispatcher;
NtSetInformationThread( GetCurrentThread(), ThreadWow64Context, &ctx, sizeof(ctx) );
}
break;
case IMAGE_FILE_MACHINE_ARMNT:
{
struct apc_stack_layout
{
ULONG func;
ULONG align[3];
ARM_CONTEXT context;
} *stack;
ARM_CONTEXT ctx = { CONTEXT_ARM_FULL };
NtQueryInformationThread( GetCurrentThread(), ThreadWow64Context, &ctx, sizeof(ctx), NULL );
stack = (struct apc_stack_layout *)ULongToPtr( ctx.Sp & ~15 ) - 1;
stack->func = arg1 >> 32;
stack->context = ctx;
stack->context.R0 = retval;
ctx.Sp = PtrToUlong( stack );
ctx.Pc = pLdrSystemDllInitBlock->pKiUserApcDispatcher;
ctx.R0 = PtrToUlong( &stack->context );
ctx.R1 = arg1;
ctx.R2 = arg2;
ctx.R3 = arg3;
NtSetInformationThread( GetCurrentThread(), ThreadWow64Context, &ctx, sizeof(ctx) );
}
break;
}
} }