ntdll: Export KiUserCallbackDispatcherReturn.

dlls/ntdll/ntdll.spec

@@ -70,6 +70,7 @@
 @ stdcall -norelay KiRaiseUserExceptionDispatcher()
 @ stdcall -norelay KiUserApcDispatcher(ptr long long long ptr)
 @ stdcall -norelay KiUserCallbackDispatcher(long ptr long)
+@ stdcall -norelay -arch=arm,arm64,arm64ec KiUserCallbackDispatcherReturn()
 @ stdcall -norelay KiUserExceptionDispatcher(ptr ptr)
 # @ stub LdrAccessOutOfProcessResource
 @ stdcall LdrAccessResource(long ptr ptr ptr)

dlls/ntdll/ntdll_misc.h

@@ -57,6 +57,7 @@ extern void WINAPI LdrInitializeThunk(CONTEXT*,ULONG_PTR,ULONG_PTR,ULONG_PTR);
 extern NTSTATUS WINAPI KiUserExceptionDispatcher(EXCEPTION_RECORD*,CONTEXT*);
 extern void WINAPI KiUserApcDispatcher(CONTEXT*,ULONG_PTR,ULONG_PTR,ULONG_PTR,PNTAPCFUNC);
 extern void WINAPI KiUserCallbackDispatcher(ULONG,void*,ULONG);
+extern void WINAPI KiUserCallbackDispatcherReturn(void);
 extern void (WINAPI *pWow64PrepareForException)( EXCEPTION_RECORD *rec, CONTEXT *context );
 
 #if defined(__x86_64__) || defined(__arm__) || defined(__aarch64__)

dlls/ntdll/signal_arm.c

@@ -589,6 +589,8 @@ __ASM_GLOBAL_FUNC( KiUserCallbackDispatcher,
                    "ldr r1, [sp, #0x04]\n\t"      /* len */
                    "ldr r2, [sp, #0x08]\n\t"      /* id */
                    "bl " __ASM_NAME("dispatch_user_callback") "\n\t"
+                   ".globl " __ASM_NAME("KiUserCallbackDispatcherReturn") "\n"
+                   __ASM_NAME("KiUserCallbackDispatcherReturn") ":\n\t"
                    "mov r2, r0\n\t"  /* status */
                    "mov r1, #0\n\t"  /* ret_len */
                    "mov r0, r1\n\t"  /* ret_ptr */

dlls/ntdll/signal_arm64.c

@@ -615,6 +615,8 @@ __ASM_GLOBAL_FUNC( KiUserCallbackDispatcher,
                    "ldr x0, [sp]\n\t"             /* args */
                    "ldp w1, w2, [sp, #0x08]\n\t"  /* len, id */
                    "bl " __ASM_NAME("dispatch_user_callback") "\n\t"
+                   ".globl " __ASM_NAME("KiUserCallbackDispatcherReturn") "\n"
+                   __ASM_NAME("KiUserCallbackDispatcherReturn") ":\n\t"
                    "mov x2, x0\n\t"               /* status */
                    "mov x1, #0\n\t"               /* ret_len */
                    "mov x0, x1\n\t"               /* ret_ptr */

dlls/ntdll/signal_arm64ec.c

@@ -1726,6 +1726,8 @@ __ASM_GLOBAL_FUNC( "#KiUserCallbackDispatcher",
                    "ldr x0, [sp]\n\t"             /* args */
                    "ldp w1, w2, [sp, #0x08]\n\t"  /* len, id */
                    "bl " __ASM_NAME("dispatch_user_callback") "\n\t"
+                   ".globl \"#KiUserCallbackDispatcherReturn\"\n"
+                   "\"#KiUserCallbackDispatcherReturn\":\n\t"
                    "mov x2, x0\n\t"               /* status */
                    "mov x1, #0\n\t"               /* ret_len */
                    "mov x0, x1\n\t"               /* ret_ptr */