Fixed cast in platform-macos.cc

src/platform-macos.cc

 // Copyright 2006-2008 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 191 matching lines @@
 PosixMemoryMappedFile::~PosixMemoryMappedFile() {
   if (memory_) munmap(memory_, size_);
   fclose(file_);
 }
 
 
 void OS::LogSharedLibraryAddresses() {
 #ifdef ENABLE_LOGGING_AND_PROFILING
   unsigned int images_count = _dyld_image_count();
   for (unsigned int i = 0; i < images_count; ++i) {
     const mach_header* header = _dyld_get_image_header(i);

[William Hesse, 2009/09/02 10:44:39]

Could you move this variable into the #ifdef instead?  Is there a get_header
that returns a 64-bit header pointer?

     if (header == NULL) continue;
 #if V8_HOST_ARCH_X64
     uint64_t size;
     char* code_ptr = getsectdatafromheader_64(
-        (mach_header_64*)header, SEG_TEXT, SECT_TEXT, &size);
+        reinterpret_cast<const mach_header_64*>(header),
+        SEG_TEXT,
+        SECT_TEXT,
+        &size);
 #else
     unsigned int size;
     char* code_ptr = getsectdatafromheader(header, SEG_TEXT, SECT_TEXT, &size);
 #endif
     if (code_ptr == NULL) continue;
     const uintptr_t slide = _dyld_get_image_vmaddr_slide(i);
     const uintptr_t start = reinterpret_cast<uintptr_t>(code_ptr) + slide;
     LOG(SharedLibraryEvent(_dyld_get_image_name(i), start, start + size));
   }
 #endif  // ENABLE_LOGGING_AND_PROFILING
@@ skipping 390 matching lines @@
 
   // Deallocate Mach port for thread.
   if (IsProfiling()) {
     mach_port_deallocate(data_->task_self_, data_->profiled_thread_);
   }
 }
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal