#if defined(__linux__) || defined(__APPLE__)
#include <unistd.h>
#include <syslog.h>
#endif

#include "dobby_internal.h"
#include "Interceptor.h"

#if defined(__linux__) || defined(__APPLE__)
__attribute__((constructor)) static void ctor() {
  DLOG(-1, "================================");
  DLOG(-1, "Dobby");
  DLOG(-1, "================================");

  DLOG(-1, "dobby in debug log mode, disable with cmake flag \"-DDOBBY_DEBUG=OFF\"");
}
#endif

PUBLIC const char *DobbyBuildVersion() {
  return __DOBBY_BUILD_VERSION__;
}

PUBLIC int DobbyDestroy(void *address) {
  // check if we already hook
  HookEntry *entry = Interceptor::SharedInstance()->FindHookEntry(address);
  if (entry) {
    if (entry->is_committed) {
      uint8_t *buffer = entry->origin_chunk_.chunk_buffer;
      uint32_t buffer_size = entry->origin_chunk_.chunk.length;
#if defined(TARGET_ARCH_ARM)
      address = (void *)((addr_t)address - 1);
#endif
      CodePatch(address, buffer, buffer_size);
    }
    Interceptor::SharedInstance()->RemoveHookEntry(address);
    return RT_SUCCESS;
  }

  return RT_FAILED;
}