Bug 758010 - Wrap operator new/delete to jemalloc on Android. r=jlebar

#ifdef ANDROID

#define wrap(a) __wrap_ ## a

#elif defined(XP_WIN) || defined(XP_MACOSX)

#define wrap(a) je_ ## a

#endif

/* operator new wrapper implementation */

static void *

new(unsigned int size)

{

  return malloc(size);

}

#ifdef wrap

void *wrap(malloc)(size_t);

void wrap(free)(void *);

#endif

#ifdef ANDROID

/* operator new(unsigned int) */

MOZ_EXPORT_API(void *)

wrap(_Znwj)(unsigned int) __attribute__((alias("new")));

wrap(_Znwj)(unsigned int size)

{

  return wrap(malloc)(size);

}

/* operator new[](unsigned int) */

MOZ_EXPORT_API(void *)

wrap(_Znaj)(unsigned int) __attribute__((alias("new")));

/* operator delete wrapper implementation */

static void

delete(void *ptr)

wrap(_Znaj)(unsigned int size)

{

  free(ptr);

  return wrap(malloc)(size);

}

/* operator delete(void*) */

MOZ_EXPORT_API(void)

wrap(_ZdlPv)(void *ptr) __attribute__((alias("delete")));

wrap(_ZdlPv)(void *ptr)

{

  wrap(free)(ptr);

}

/* operator delete[](void*) */

MOZ_EXPORT_API(void)

wrap(_ZdaPv)(void *ptr) __attribute__((alias("delete")));

#endif

#if defined(XP_WIN) || defined(XP_MACOSX)

#define wrap(a) je_ ## a

wrap(_ZdaPv)(void *ptr)

{

  wrap(free)(ptr);

}

#endif

#ifdef wrap

void *wrap(malloc)(size_t);

MOZ_EXPORT_API(char *)

wrap(strndup)(const char *src, size_t len)

{