1 // Copyright 2020 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "debug-helper-internal.h" 6 #include "src/compiler/types.h" 7 8 namespace ic = v8::internal::compiler; 9 10 extern "C" { _v8_debug_helper_BitsetName(uint64_t payload)11V8_DEBUG_HELPER_EXPORT const char* _v8_debug_helper_BitsetName( 12 uint64_t payload) { 13 // Check if payload is a bitset and return the bitset type. 14 // This line is duplicating the logic from Type::IsBitset. 15 bool is_bit_set = payload & 1; 16 if (!is_bit_set) return nullptr; 17 ic::BitsetType::bitset bits = 18 static_cast<ic::BitsetType::bitset>(payload ^ 1u); 19 switch (bits) { 20 #define RETURN_NAMED_TYPE(type, value) \ 21 case ic::BitsetType::k##type: \ 22 return #type; 23 PROPER_BITSET_TYPE_LIST(RETURN_NAMED_TYPE) 24 INTERNAL_BITSET_TYPE_LIST(RETURN_NAMED_TYPE) 25 #undef RETURN_NAMED_TYPE 26 27 default: 28 return nullptr; 29 } 30 } 31 } 32