A64: Synchronize with r18444.

src/platform-posix.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 112 matching lines @@
   }
   return static_cast<uint64_t>(pages) * page_size;
 #elif V8_OS_CYGWIN
   MEMORYSTATUS memory_info;
   memory_info.dwLength = sizeof(memory_info);
   if (!GlobalMemoryStatus(&memory_info)) {
     UNREACHABLE();
     return 0;
   }
   return static_cast<uint64_t>(memory_info.dwTotalPhys);
+#elif V8_OS_QNX
+  struct stat stat_buf;
+  if (stat("/proc", &stat_buf) != 0) {
+    UNREACHABLE();
+    return 0;
+  }
+  return static_cast<uint64_t>(stat_buf.st_size);
 #else
   intptr_t pages = sysconf(_SC_PHYS_PAGES);
   intptr_t page_size = sysconf(_SC_PAGESIZE);
   if (pages == -1 || page_size == -1) {
     UNREACHABLE();
     return 0;
   }
   return static_cast<uint64_t>(pages) * page_size;
 #endif
 }
@@ skipping 97 matching lines @@
     raw_addr += 0x20000000;
 # endif
 #endif
     return reinterpret_cast<void*>(raw_addr);
   }
   return NULL;
 }
 
 
 size_t OS::AllocateAlignment() {
-  return getpagesize();
+  return static_cast<size_t>(sysconf(_SC_PAGESIZE));
 }
 
 
 void OS::Sleep(int milliseconds) {
   useconds_t ms = static_cast<useconds_t>(milliseconds);
   usleep(1000 * ms);
 }
 
 
 void OS::Abort() {
@@ skipping 36 matching lines @@
 
 #define UNARY_MATH_FUNCTION(name, generator)             \
 static UnaryMathFunction fast_##name##_function = NULL;  \
 void init_fast_##name##_function() {                     \
   fast_##name##_function = generator;                    \
 }                                                        \
 double fast_##name(double x) {                           \
   return (*fast_##name##_function)(x);                   \
 }
 
-UNARY_MATH_FUNCTION(log, CreateTranscendentalFunction(TranscendentalCache::LOG))
 UNARY_MATH_FUNCTION(exp, CreateExpFunction())
 UNARY_MATH_FUNCTION(sqrt, CreateSqrtFunction())
 
 #undef UNARY_MATH_FUNCTION
 
 
 void lazily_initialize_fast_exp() {
   if (fast_exp_function == NULL) {
     init_fast_exp_function();
   }
@@ skipping 180 matching lines @@
 
 
 OS::MemCopyUint8Function OS::memcopy_uint8_function = &OS::MemCopyUint8Wrapper;
 OS::MemCopyUint16Uint8Function OS::memcopy_uint16_uint8_function =
     &OS::MemCopyUint16Uint8Wrapper;
 // Defined in codegen-arm.cc.
 OS::MemCopyUint8Function CreateMemCopyUint8Function(
     OS::MemCopyUint8Function stub);
 OS::MemCopyUint16Uint8Function CreateMemCopyUint16Uint8Function(
     OS::MemCopyUint16Uint8Function stub);
+
+#elif defined(V8_HOST_ARCH_MIPS)
+OS::MemCopyUint8Function OS::memcopy_uint8_function = &OS::MemCopyUint8Wrapper;
+// Defined in codegen-mips.cc.
+OS::MemCopyUint8Function CreateMemCopyUint8Function(
+    OS::MemCopyUint8Function stub);
 #endif
 
 
 void OS::PostSetUp() {
 #if V8_TARGET_ARCH_IA32
   OS::MemMoveFunction generated_memmove = CreateMemMoveFunction();
   if (generated_memmove != NULL) {
     memmove_function = generated_memmove;
   }
 #elif defined(V8_HOST_ARCH_ARM)
   OS::memcopy_uint8_function =
       CreateMemCopyUint8Function(&OS::MemCopyUint8Wrapper);
   OS::memcopy_uint16_uint8_function =
       CreateMemCopyUint16Uint8Function(&OS::MemCopyUint16Uint8Wrapper);
+#elif defined(V8_HOST_ARCH_MIPS)
+  OS::memcopy_uint8_function =
+      CreateMemCopyUint8Function(&OS::MemCopyUint8Wrapper);
 #endif
-  init_fast_log_function();
   // fast_exp is initialized lazily.
   init_fast_sqrt_function();
 }
 
 
 // ----------------------------------------------------------------------------
 // POSIX string support.
 //
 
 char* OS::StrChr(char* str, int c) {
@@ skipping 230 matching lines @@
 
 void Thread::SetThreadLocal(LocalStorageKey key, void* value) {
   pthread_key_t pthread_key = LocalKeyToPthreadKey(key);
   int result = pthread_setspecific(pthread_key, value);
   ASSERT_EQ(0, result);
   USE(result);
 }
 
 
 } }  // namespace v8::internal