Update to NSPR 4.10.2.

nspr/pr/include/md/_linux.h

 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 /*
  * This file is used by not only Linux but also other glibc systems
  * such as GNU/Hurd and GNU/k*BSD.
  */
 
@@ skipping 23 matching lines @@
 #elif defined(__sparc__) && defined(__arch64__)
 #define _PR_SI_ARCHITECTURE "sparc64"
 #elif defined(__sparc__)
 #define _PR_SI_ARCHITECTURE "sparc"
 #elif defined(__i386__)
 #define _PR_SI_ARCHITECTURE "x86"
 #elif defined(__mips__)
 #define _PR_SI_ARCHITECTURE "mips"
 #elif defined(__arm__)
 #define _PR_SI_ARCHITECTURE "arm"
+#elif defined(__aarch64__)
+#define _PR_SI_ARCHITECTURE "aarch64"
 #elif defined(__hppa__)
 #define _PR_SI_ARCHITECTURE "hppa"
 #elif defined(__s390x__)
 #define _PR_SI_ARCHITECTURE "s390x"
 #elif defined(__s390__)
 #define _PR_SI_ARCHITECTURE "s390"
 #elif defined(__sh__)
 #define _PR_SI_ARCHITECTURE "sh"
 #elif defined(__avr32__)
 #define _PR_SI_ARCHITECTURE "avr32"
 #elif defined(__m32r__)
 #define _PR_SI_ARCHITECTURE "m32r"
 #else
 #error "Unknown CPU architecture"
 #endif
 #define PR_DLL_SUFFIX           ".so"
 
 #define _PR_VMBASE              0x30000000
 #define _PR_STACK_VMBASE        0x50000000
 #define _MD_DEFAULT_STACK_SIZE  65536L
 #define _MD_MMAP_FLAGS          MAP_PRIVATE
 
+#if defined(__aarch64__)
+#define _MD_MINIMUM_STACK_SIZE  0x20000
+#endif
+
 #undef  HAVE_STACK_GROWING_UP
 
 /*
  * Elf linux supports dl* functions
  */
 #define HAVE_DLL
 #define USE_DLFCN
 #if defined(ANDROID)
 #define NO_DLOPEN_NULL
 #endif
@@ skipping 103 matching lines @@
     "2: br      1b                      \n"     \
     ".previous"                                 \
     : [ret] "=&r" (__atomic_ret),               \
       [tmp] "=&r"(__atomic_tmp),                \
       [val] "=m" (*ptr)                         \
     : [newval] "Ir" (n), "m" (*ptr));           \
     __atomic_ret;                               \
 })
 #endif
 
-#if defined(__arm__)
+#if defined(__arm__) || defined(__aarch64__)
 #if defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
 /* Use GCC built-in functions */
 #define _PR_HAVE_ATOMIC_OPS
 #define _MD_INIT_ATOMIC()
 
 #define _MD_ATOMIC_INCREMENT(ptr) __sync_add_and_fetch(ptr, 1)
 #define _MD_ATOMIC_DECREMENT(ptr) __sync_sub_and_fetch(ptr, 1)
 #define _MD_ATOMIC_SET(ptr, nv) __sync_lock_test_and_set(ptr, nv)
 #define _MD_ATOMIC_ADD(ptr, i) __sync_add_and_fetch(ptr, i)
 
@@ skipping 443 matching lines @@
         int timeout);
 #define _MD_POLL __syscall_poll
 #endif
 
 /* For writev() */
 #include <sys/uio.h>
 
 extern void _MD_linux_map_sendfile_error(int err);
 
 #endif /* nspr_linux_defs_h___ */