[WIP] TrapHandler 2014/11/27.

samples/shell.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 17 matching lines @@
 #include <include/v8.h>
 
 #include <include/libplatform/libplatform.h>
 
 #include <assert.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
+#if V8_OS_WIN
+#include <malloc.h>
+#endif
+
+#ifdef COMPRESS_STARTUP_DATA_BZ2
+#error Using compressed startup data is not supported for this sample
+#endif
+
 /**
  * This sample program shows how to implement a simple javascript shell
  * based on V8.  This includes initializing V8 with command line options,
  * creating global functions, compiling and executing strings.
  *
  * For a more sophisticated shell, consider using the debug shell D8.
  */
 
 
 v8::Handle<v8::Context> CreateShellContext(v8::Isolate* isolate);
@@ skipping 15 matching lines @@
 
 static bool run_shell;
 
 
 class ShellArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
  public:
   virtual void* Allocate(size_t length) {
     void* data = AllocateUninitialized(length);
     return data == NULL ? data : memset(data, 0, length);
   }
-  virtual void* AllocateUninitialized(size_t length) { return malloc(length); }
-  virtual void Free(void* data, size_t) { free(data); }
+  virtual void* AllocateUninitialized(size_t length) {
+    return Allocate(length, 8);
+  }
+  virtual void* Allocate(size_t length, size_t alignment) {
+#if V8_OS_ANDROID
+    return memalign(alignment, length);
+#elif V8_OS_WIN
+    return _aligned_malloc(length, alignment);
+#else
+    void* ptr = NULL;
+    posix_memalign(&ptr, alignment, length);
+    return ptr;
+#endif
+  }
+  virtual void Free(void* data, size_t) { Free(data); }
+  virtual void Free(void* data) {
+#if V8_OS_WIN
+    _aligned_free(data);
+#else
+    free(data);
+#endif
+  }
 };
 
 
 int main(int argc, char* argv[]) {
   v8::V8::InitializeICU();
   v8::Platform* platform = v8::platform::CreateDefaultPlatform();
   v8::V8::InitializePlatform(platform);
   v8::V8::Initialize();
   v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
   ShellArrayBufferAllocator array_buffer_allocator;
@@ skipping 295 matching lines @@
       fprintf(stderr, "^");
     }
     fprintf(stderr, "\n");
     v8::String::Utf8Value stack_trace(try_catch->StackTrace());
     if (stack_trace.length() > 0) {
       const char* stack_trace_string = ToCString(stack_trace);
       fprintf(stderr, "%s\n", stack_trace_string);
     }
   }
 }