Function help

deps/v8/tools/windbg.js:13–106

()

=============================================================================*/

function help() {
  if (supports_call_command()) {
  print("--------------------------------------------------------------------");
  print("  LIVE debugging only");
  print("--------------------------------------------------------------------");
  print("  !jlh(\"local_handle_var_name\")");
  print("      prints object held by the handle");
  print("      e.g. !jlh(\"key\") or !jlh(\"this->receiver_\")");
  print("  !job(address_or_taggedint)");
  print("      prints object at the address, e.g. !job(0x235cb869f9)");
  print("  !jst() or !jst");
  print("      prints javascript stack (output goes into the console)");
  print("  !jsbp() or !jsbp");
  print("      sets bp in v8::internal::Execution::Call");
  print("");
  }

  print("--------------------------------------------------------------------");
  print("  Setup of the script");
  print("--------------------------------------------------------------------");
  print("  !set_module(\"module_name_no_extension\")");
  print("      we'll try the usual suspects for where v8's code might have");
  print("      been linked into, but you can also set it manually,");
  print("      e.g. !set_module(\"v8_for_testing\")");
  print("  !set_iso(isolate_address)");
  print("      call this function before using !mem or other heap routines");
  print("");

  print("--------------------------------------------------------------------");
  print("  Managed heap");
  print("--------------------------------------------------------------------");
  print("  !mem or !mem(\"space1[ space2 ...]\")");
  print("      prints memory chunks from the 'space' owned by the heap in the");
  print("      isolate set by !set_iso; valid values for 'space' are:");
  print("      new, old, map, code, lo [large], nlo [newlarge], ro [readonly]");
  print("      if no 'space' specified prints memory chunks for all spaces,");
  print("      e.g. !mem(\"code\"), !mem(\"ro new old\")");
  print("  !where(address)");
  print("      prints name of the space and address of the MemoryChunk the");
  print("      'address' is from, e.g. !where(0x235cb869f9)");
  print("  !rs(chunk_address, set_id = 0)");
  print("      prints slots from the remembered set in the MemoryChunk. If");
  print("      'chunk_address' isn't specified, prints for all chunks in the");
  print("      old space; 'set_id' should match RememberedSetType enum,");
  print("      e.g. !rs, !rs 0x2fb14780000, !rs(0x2fb14780000, 1)");
  print("");

  print("--------------------------------------------------------------------");
  print("  Managed objects");
  print("--------------------------------------------------------------------");
  print("  !jot(tagged_addr, depth)");
  print("      dumps the tree of objects using 'tagged_addr' as a root,");
  print("      assumes that pointer fields are aligned at ptr_size boundary,");
  print("      unspecified depth means 'unlimited',");
  print("      e.g. !jot(0x235cb869f9, 2), !jot 0x235cb869f9");
  print("  !jo_in_range(start_addr, end_addr)");
  print("      prints address/map pointers of objects found inside the range");
  print("      specified by 'start_addr' and 'end_addr', assumes the object");