Method addFuncCode

deps/v8/tools/profile.mjs:530–558

* Registers dynamic (JIT-compiled) code entry. * * @param {string} type Code entry type. * @param {string} name Code entry name. * @param {number} start Starting address. * @param {number} size Code entry size. * @param {number} sfiAddr Shared function object address. * @param {

(type, name, timestamp, start, size, sfiAddr, state)

   * @param {Profile.CodeState} state Optimization state.
   */
  addFuncCode(type, name, timestamp, start, size, sfiAddr, state) {
    // As code and functions are in the same address space,
    // it is safe to put them in a single code map.
    let sfi = this.codeMap_.findDynamicEntryByStartAddress(sfiAddr);
    // Overwrite any old (unused) code objects that overlap with the new SFI.
    const new_sfi_old_code = !(sfi instanceof SharedFunctionInfoEntry)
    if (sfi === null || new_sfi_old_code) {
      sfi = new SharedFunctionInfoEntry(name, this.useBigIntAddresses);
      this.codeMap_.addCode(sfiAddr, sfi);
    } else if (sfi.name !== name) {
      // SFI object has been overwritten with a new one.
      sfi.name = name;
    }
    let entry = this.codeMap_.findDynamicEntryByStartAddress(start);
    if (entry !== null) {
      if (entry.size === size && entry.sfi === sfi) {
        // Entry state has changed.
        entry.state = state;
      } else {
        this.codeMap_.deleteCode(start);
        entry = null;
      }
    }
    if (entry === null) {
      entry = new DynamicFuncCodeEntry(size, type, sfi, state);
      this.codeMap_.addCode(start, entry);
    }
    return entry;
  }

  /**
   * Reports about moving of a dynamic code entry.