1                 : /*
       2                 :  * Copyright (c) 2012 The Native Client Authors. All rights reserved.
       3                 :  * Use of this source code is governed by a BSD-style license that can be
       4                 :  * found in the LICENSE file.
       5                 :  */
       6                 : 
       7                 : #include <errno.h>
       8                 : #include <sys/mman.h>
       9                 : 
      10                 : #include "native_client/src/shared/platform/nacl_log.h"
      11                 : #include "native_client/src/trusted/service_runtime/arch/sel_ldr_arch.h"
      12                 : #include "native_client/src/trusted/service_runtime/sel_addrspace.h"
      13                 : #include "native_client/src/trusted/service_runtime/sel_ldr.h"
      14                 : 
      15                 : 
      16              12 : void NaClAddrSpaceFree(struct NaClApp *nap) {
      17              12 :   char *base = (char *) nap->mem_start - NACL_ADDRSPACE_LOWER_GUARD_SIZE;
      18              12 :   uintptr_t addrsp_size = (uintptr_t) 1U << nap->addr_bits;
      19              12 :   size_t full_size = (NACL_ADDRSPACE_LOWER_GUARD_SIZE + addrsp_size +
      20                 :                       NACL_ADDRSPACE_UPPER_GUARD_SIZE);
      21              12 :   if (munmap(base, full_size) != 0) {
      22               0 :     NaClLog(LOG_FATAL, "NaClAddrSpaceFree: munmap() failed, errno %d\n",
      23               0 :             errno);
      24               0 :   }
      25              12 : }