- Fix a lot of warnings generated by -Wshorten-64-to-32

runtime/vm/os_linux.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_OS_LINUX)
 
 #include "vm/os.h"
 
 #include <errno.h>  // NOLINT
@@ skipping 406 matching lines @@
 }
 
 
 void OS::AlignedFree(void* ptr) {
   free(ptr);
 }
 
 
 // TODO(5411554):  May need to hoist these architecture dependent code
 // into a architecture specific file e.g: os_ia32_linux.cc
-word OS::ActivationFrameAlignment() {
+intptr_t OS::ActivationFrameAlignment() {
 #if defined(TARGET_ARCH_IA32) ||                                               \
     defined(TARGET_ARCH_X64) ||                                                \
     defined(TARGET_ARCH_ARM64)
   const int kMinimumAlignment = 16;
 #elif defined(TARGET_ARCH_ARM) || defined(TARGET_ARCH_MIPS)
   const int kMinimumAlignment = 8;
 #else
 #error Unsupported architecture.
 #endif
-  word alignment = kMinimumAlignment;
+  intptr_t alignment = kMinimumAlignment;
   // TODO(5411554): Allow overriding default stack alignment for
   // testing purposes.
   // Flags::DebugIsInt("stackalign", &alignment);
   ASSERT(Utils::IsPowerOfTwo(alignment));
   ASSERT(alignment >= kMinimumAlignment);
   return alignment;
 }
 
 
-word OS::PreferredCodeAlignment() {
+intptr_t OS::PreferredCodeAlignment() {
 #if defined(TARGET_ARCH_IA32) ||                                               \
     defined(TARGET_ARCH_X64) ||                                                \
     defined(TARGET_ARCH_ARM64)
   const int kMinimumAlignment = 32;
 #elif defined(TARGET_ARCH_ARM) || defined(TARGET_ARCH_MIPS)
   const int kMinimumAlignment = 16;
 #else
 #error Unsupported architecture.
 #endif
-  word alignment = kMinimumAlignment;
+  intptr_t alignment = kMinimumAlignment;
   // TODO(5411554): Allow overriding default code alignment for
   // testing purposes.
   // Flags::DebugIsInt("codealign", &alignment);
   ASSERT(Utils::IsPowerOfTwo(alignment));
   ASSERT(alignment >= kMinimumAlignment);
   ASSERT(alignment <= OS::kMaxPreferredCodeAlignment);
   return alignment;
 }
 
 
-uword OS::GetStackSizeLimit() {
-  struct rlimit stack_limit;
-  int retval = getrlimit(RLIMIT_STACK, &stack_limit);
-  ASSERT(retval == 0);
-  if (stack_limit.rlim_cur > INT_MAX) {
-    retval = INT_MAX;
-  } else {
-    retval = stack_limit.rlim_cur;
-  }
-  return retval;
-}
-
-
 bool OS::AllowStackFrameIteratorFromAnotherThread() {
   return false;
 }
 
 
 int OS::NumberOfAvailableProcessors() {
   return sysconf(_SC_NPROCESSORS_ONLN);
 }
 
 
@@ skipping 136 matching lines @@
 }
 
 
 void OS::Exit(int code) {
   exit(code);
 }
 
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)