[MIPS] Leave room for frame header on stack for MIPS arch

src/trusted/service_runtime/nacl_syscall_common.c

 /*
  * Copyright (c) 2012 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /*
  * NaCl service run-time, non-platform specific system call helper routines.
  */
 #include <sys/types.h>
@@ skipping 2437 matching lines @@
           (uintptr_t) natp, (uintptr_t) prog_ctr, stack_ptr, thread_ptr);
 
   if (!NaClIsValidJumpTarget(nap, (uintptr_t) prog_ctr)) {
     NaClLog(LOG_ERROR, "NaClSysThreadCreate: Bad function pointer\n");
     retval = -NACL_ABI_EFAULT;
     goto cleanup;
   }
 
   /* Align the stack pointer. */
   stack_ptr = ((stack_ptr + NACL_STACK_PAD_BELOW_ALIGN)
-               & ~NACL_STACK_ALIGN_MASK) - NACL_STACK_PAD_BELOW_ALIGN;
+               & ~NACL_STACK_ALIGN_MASK) - NACL_STACK_PAD_BELOW_ALIGN
+              - NACL_STACK_ARGS_SIZE;
 
   sys_stack = NaClUserToSysAddr(nap, stack_ptr);
   if (kNaClBadAddress == sys_stack) {
     NaClLog(LOG_ERROR, "bad stack\n");
     retval = -NACL_ABI_EFAULT;
     goto cleanup;
   }
   sys_tls = NaClUserToSysAddrRange(nap, thread_ptr, 4);
   if (kNaClBadAddress == sys_tls) {
     NaClLog(LOG_ERROR, "bad TLS pointer\n");
@@ skipping 748 matching lines @@
   return NaClSysClockGetCommon(natp, clk_id, (uintptr_t) tsp,
                                      NaClClockGetRes);
 }
 
 int32_t NaClSysClockGetTime(struct NaClAppThread  *natp,
                             int                   clk_id,
                             uint32_t              tsp) {
   return NaClSysClockGetCommon(natp, clk_id, (uintptr_t) tsp,
                                      NaClClockGetTime);
 }