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server: Set YMM registers from the native context even in Wow64 mode. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2021-08-17 17:45:43 +02:00
parent 94f63ea23f
commit 6c478c304c
1 changed files with 17 additions and 28 deletions
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45
server/thread.c
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@ -126,6 +126,11 @@ struct context
#define CTX_WOW 1 /* context if thread is inside WoW */
#define CTX_PENDING 2 /* pending native context when we don't know whether thread is inside WoW */
/* flags for registers that always need to be set from the server side */
static const unsigned int system_flags = SERVER_CTX_DEBUG_REGISTERS;
/* flags for registers that are set from the native context even in WoW mode */
static const unsigned int always_native_flags = SERVER_CTX_DEBUG_REGISTERS | SERVER_CTX_YMM_REGISTERS;
static void dump_context( struct object *obj, int verbose );
static int context_signaled( struct object *obj, struct wait_queue_entry *entry );
@ -1304,20 +1309,6 @@ static void copy_context( context_t *to, const context_t *from, unsigned int fla
if (flags & SERVER_CTX_YMM_REGISTERS) to->ymm = from->ymm;
}
/* return the context flags that correspond to system regs */
/* (system regs are the ones we can't access on the client side) */
static unsigned int get_context_system_regs( unsigned short machine )
{
switch (machine)
{
case IMAGE_FILE_MACHINE_I386: return SERVER_CTX_DEBUG_REGISTERS;
case IMAGE_FILE_MACHINE_AMD64: return SERVER_CTX_DEBUG_REGISTERS;
case IMAGE_FILE_MACHINE_ARMNT: return SERVER_CTX_DEBUG_REGISTERS;
case IMAGE_FILE_MACHINE_ARM64: return SERVER_CTX_DEBUG_REGISTERS;
}
return 0;
}
/* gets the current impersonation token */
struct token *thread_get_impersonation_token( struct thread *thread )
{
@ -1597,7 +1588,6 @@ DECL_HANDLER(select)
{
const context_t *native_context = (const context_t *)((const char *)(result + 1) + req->size);
const context_t *wow_context = (ctx_count > 1) ? native_context + 1 : NULL;
unsigned int system_flags = get_context_system_regs( native_machine );
if (current->context && current->context->status != STATUS_PENDING) goto invalid_param;
@ -1691,8 +1681,8 @@ DECL_HANDLER(select)
if (ctx->regs[CTX_NATIVE].flags || ctx->regs[CTX_WOW].flags)
{
data_size_t size = (ctx->regs[CTX_WOW].flags ? 2 : 1) * sizeof(context_t);
unsigned int system_flags = get_context_system_regs( native_machine ) & ctx->regs[CTX_NATIVE].flags;
if (system_flags) set_thread_context( current, &ctx->regs[CTX_NATIVE], system_flags );
unsigned int flags = system_flags & ctx->regs[CTX_NATIVE].flags;
if (flags) set_thread_context( current, &ctx->regs[CTX_NATIVE], flags );
set_reply_data( ctx->regs, min( size, get_reply_max_size() ));
}
release_object( ctx );
@ -1846,7 +1836,6 @@ DECL_HANDLER(get_thread_context)
set_error( STATUS_UNSUCCESSFUL );
else
{
unsigned int system_flags = get_context_system_regs( native_machine );
reply->self = (thread == current);
if (thread != current) stop_thread( thread );
if (thread->context)
@ -1870,13 +1859,12 @@ DECL_HANDLER(get_thread_context)
if (!thread_context->status)
{
unsigned int system_flags = get_context_system_regs( native_machine );
unsigned int native_flags = req->flags, wow_flags = 0;
if (req->machine == thread_context->regs[CTX_WOW].machine)
{
native_flags = req->flags & system_flags;
wow_flags = req->flags & ~system_flags;
native_flags = req->flags & always_native_flags;
wow_flags = req->flags & ~always_native_flags;
}
if ((context = set_reply_data_size( (!!native_flags + !!wow_flags) * sizeof(context_t) )))
{
@ -1928,12 +1916,13 @@ DECL_HANDLER(set_thread_context)
set_error( STATUS_INVALID_PARAMETER );
else if (thread->state != TERMINATED)
{
unsigned int flags, ctx = CTX_NATIVE;
unsigned int ctx = CTX_NATIVE;
const context_t *context = &contexts[CTX_NATIVE];
unsigned int system_flags = get_context_system_regs( native_machine ) & context->flags;
unsigned int flags = system_flags & context->flags;
unsigned int native_flags = always_native_flags & context->flags;
if (thread != current) stop_thread( thread );
else if (system_flags) set_thread_context( thread, context, system_flags );
else if (flags) set_thread_context( thread, context, flags );
if (thread->context && !get_error())
{
if (ctx_count == 2)
@ -1949,11 +1938,11 @@ DECL_HANDLER(set_thread_context)
else ctx = CTX_PENDING;
}
flags = context->flags;
if (system_flags && ctx != CTX_NATIVE) /* system regs are always set from the native context */
if (native_flags && ctx != CTX_NATIVE) /* some regs are always set from the native context */
{
copy_context( &thread->context->regs[CTX_NATIVE], &contexts[CTX_NATIVE], system_flags );
thread->context->regs[CTX_NATIVE].flags |= system_flags;
flags &= ~system_flags;
copy_context( &thread->context->regs[CTX_NATIVE], &contexts[CTX_NATIVE], native_flags );
thread->context->regs[CTX_NATIVE].flags |= native_flags;
flags &= ~native_flags;
}
copy_context( &thread->context->regs[ctx], context, flags );
thread->context->regs[ctx].flags |= flags;