From b41cc4865cc5c5adaad8233715a4c47384a5a0c1 Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Thu, 27 Jan 2011 14:03:39 +0100
Subject: [PATCH] ntdll: Get rid of support for register entry points on
 x86_64.

---
 dlls/ntdll/ntdll_misc.h |  8 ------
 dlls/ntdll/relay.c      | 65 ++-----------------------------------------------
 2 files changed, 2 insertions(+), 71 deletions(-)

diff --git a/dlls/ntdll/ntdll_misc.h b/dlls/ntdll/ntdll_misc.h
index 1a9c40e101e..62a9b0ed9bf 100644
--- a/dlls/ntdll/ntdll_misc.h
+++ b/dlls/ntdll/ntdll_misc.h
@@ -242,14 +242,6 @@ static inline struct ntdll_thread_data *ntdll_get_thread_data(void)
                        ".byte 0x6a," #args "\n\t" /* pushl $args */     \
                        "call " __ASM_NAME("__wine_call_from_regs") "\n\t" \
                        "ret $(4*" #args ")" ) /* fake ret to make copy protections happy */
-#elif defined(__x86_64__)
-#define DEFINE_REGS_ENTRYPOINT( name, args ) \
-    __ASM_GLOBAL_FUNC( name, \
-                       "movq %rcx,8(%rsp)\n\t"  \
-                       "movq %rdx,16(%rsp)\n\t" \
-                       "movq $" #args ",%rcx\n\t" \
-                       "leaq " __ASM_NAME("__regs_") #name "(%rip),%rdx\n\t" \
-                       "call " __ASM_NAME("__wine_call_from_regs"))
 #endif
 
 #endif
diff --git a/dlls/ntdll/relay.c b/dlls/ntdll/relay.c
index 296a89a7659..4855a0003d1 100644
--- a/dlls/ntdll/relay.c
+++ b/dlls/ntdll/relay.c
@@ -509,71 +509,10 @@ DEFINE_REGS_ENTRYPOINT( relay_call_regs, 4 )
 
 #else  /* __i386__ */
 
-void WINAPI __regs_relay_call_regs( struct relay_descr *descr, INT_PTR idx,
-                                    INT_PTR *stack, CONTEXT *context )
+void WINAPI relay_call_regs( struct relay_descr *descr, INT_PTR idx, INT_PTR *stack )
 {
-    WORD ordinal = LOWORD(idx);
-    BYTE nb_args = LOBYTE(HIWORD(idx));
-    struct relay_private_data *data = descr->private;
-    struct relay_entry_point *entry_point = data->entry_points + ordinal;
-    BYTE *orig_func = entry_point->orig_func;
-    INT_PTR *args = stack + 1;
-    INT_PTR args_copy[32];
-
-    /* restore the context to what it was before the relay thunk */
-    context->Rip = stack[0];
-    context->Rsp = (INT_PTR)args;
-
-    if (TRACE_ON(relay))
-    {
-        if (entry_point->name)
-            DPRINTF( "%04x:Call %s.%s(", GetCurrentThreadId(), data->dllname, entry_point->name );
-        else
-            DPRINTF( "%04x:Call %s.%u(", GetCurrentThreadId(), data->dllname, data->base + ordinal );
-        RELAY_PrintArgs( args, nb_args, descr->arg_types[ordinal] );
-        DPRINTF( ") ret=%08lx\n", context->Rip );
-
-        DPRINTF( "%04x: rax=%016lx rbx=%016lx rcx=%016lx rdx=%016lx rsi=%016lx rdi=%016lx rbp=%016lx rsp=%016lx\n",
-                 GetCurrentThreadId(), context->Rax, context->Rbx, context->Rcx, context->Rdx,
-                 context->Rsi, context->Rdi, context->Rbp, context->Rsp );
-        DPRINTF( "%04x:  r8=%016lx  r9=%016lx r10=%016lx r11=%016lx r12=%016lx r13=%016lx r14=%016lx r15=%016lx\n",
-                 GetCurrentThreadId(), context->R8, context->R9, context->R10, context->R11,
-                 context->R12, context->R13, context->R14, context->R15 );
-
-        assert( orig_func[17] == 0x48 /* leaq */ );
-        assert( orig_func[18] == 0x8d );
-        assert( orig_func[19] == 0x15 );
-        assert( orig_func[24] == 0xe8 /* call */ );
-    }
-
-    /* now call the real function */
-
-    memcpy( args_copy, args, nb_args * sizeof(args[0]) );
-    args_copy[nb_args++] = (INT_PTR)context;  /* append context argument */
-
-    call_entry_point( orig_func + 24 + *(int *)(orig_func + 20), nb_args, args_copy, 0 );
-
-
-    if (TRACE_ON(relay))
-    {
-        if (entry_point->name)
-            DPRINTF( "%04x:Ret  %s.%s() retval=%08lx ret=%08lx\n",
-                     GetCurrentThreadId(), data->dllname, entry_point->name,
-                     context->Rax, context->Rip );
-        else
-            DPRINTF( "%04x:Ret  %s.%u() retval=%08lx ret=%08lx\n",
-                     GetCurrentThreadId(), data->dllname, data->base + ordinal,
-                     context->Rax, context->Rip );
-        DPRINTF( "%04x:  rax=%016lx rbx=%016lx rcx=%016lx rdx=%016lx rsi=%016lx rdi=%016lx rbp=%016lx rsp=%016lx\n",
-                 GetCurrentThreadId(), context->Rax, context->Rbx, context->Rcx, context->Rdx,
-                 context->Rsi, context->Rdi, context->Rbp, context->Rsp );
-        DPRINTF( "%04x:  r8=%016lx  r9=%016lx r10=%016lx r11=%016lx r12=%016lx r13=%016lx r14=%016lx r15=%016lx\n",
-                 GetCurrentThreadId(), context->R8, context->R9, context->R10, context->R11,
-                 context->R12, context->R13, context->R14, context->R15 );
-    }
+    assert(0);  /* should never be called */
 }
-extern void WINAPI relay_call_regs(void);
-DEFINE_REGS_ENTRYPOINT( relay_call_regs, 3 )
 
 #endif  /* __i386__ */
 
-- 
2.11.4.GIT