rpcrt4: Add ARM support.

dlls/rpcrt4/ndr_stubless.c

@@ -1094,6 +1094,40 @@ __ASM_GLOBAL_FUNC( call_server_func,
                    __ASM_CFI(".cfi_adjust_cfa_offset -8\n\t")
                    __ASM_CFI(".cfi_same_value %rbp\n\t")
                    "ret")
+#elif defined __arm__
+LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char *args, unsigned int stack_size);
+__ASM_GLOBAL_FUNC( call_server_func,
+                   ".arm\n\t"
+                   "push {r4, r5, LR}\n\t"
+                   "mov r4, r0\n\t"
+                   "mov r5, SP\n\t"
+                   "lsr r3, r2, #2\n\t"
+                   "cmp r3, #0\n\t"
+                   "beq 5f\n\t"
+                   "sub SP, SP, r2\n\t"
+                   "tst r3, #1\n\t"
+                   "subeq SP, SP, #4\n\t"
+                   "1:\tsub r2, r2, #4\n\t"
+                   "ldr r0, [r1, r2]\n\t"
+                   "str r0, [SP, r2]\n\t"
+                   "cmp r2, #0\n\t"
+                   "bgt 1b\n\t"
+                   "cmp r3, #1\n\t"
+                   "bgt 2f\n\t"
+                   "pop {r0}\n\t"
+                   "b 5f\n\t"
+                   "2:\tcmp r3, #2\n\t"
+                   "bgt 3f\n\t"
+                   "pop {r0-r1}\n\t"
+                   "b 5f\n\t"
+                   "3:\tcmp r3, #3\n\t"
+                   "bgt 4f\n\t"
+                   "pop {r0-r2}\n\t"
+                   "b 5f\n\t"
+                   "4:\tpop {r0-r3}\n\t"
+                   "5:\tblx r4\n\t"
+                   "mov SP, r5\n\t"
+                   "pop {r4, r5, PC}" )
 #else
 #warning call_server_func not implemented for your architecture
 LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned short stack_size)