11452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee/* 21452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * Copyright (C) 2016 The Android Open Source Project 31452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * 41452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * Licensed under the Apache License, Version 2.0 (the "License"); 51452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * you may not use this file except in compliance with the License. 61452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * You may obtain a copy of the License at 71452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * 81452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * http://www.apache.org/licenses/LICENSE-2.0 91452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * 101452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * Unless required by applicable law or agreed to in writing, software 111452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * distributed under the License is distributed on an "AS IS" BASIS, 121452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * See the License for the specific language governing permissions and 141452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * limitations under the License. 151452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee */ 161452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee 171452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee#ifndef ART_RUNTIME_INTERPRETER_MTERP_MTERP_H_ 181452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee#define ART_RUNTIME_INTERPRETER_MTERP_MTERP_H_ 191452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee 208cf9cb386cd9286d67e879f1ee501ec00d72a4e1Andreas Gampe#include <cstddef> 218cf9cb386cd9286d67e879f1ee501ec00d72a4e1Andreas Gampe#include <cstdint> 228cf9cb386cd9286d67e879f1ee501ec00d72a4e1Andreas Gampe 231452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee/* 241452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * Mterp assembly handler bases 251452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee */ 261452bee8f06b9f76a333ddf4760e4beaa82f8099buzbeeextern "C" void* artMterpAsmInstructionStart[]; 271452bee8f06b9f76a333ddf4760e4beaa82f8099buzbeeextern "C" void* artMterpAsmInstructionEnd[]; 281452bee8f06b9f76a333ddf4760e4beaa82f8099buzbeeextern "C" void* artMterpAsmAltInstructionStart[]; 291452bee8f06b9f76a333ddf4760e4beaa82f8099buzbeeextern "C" void* artMterpAsmAltInstructionEnd[]; 301452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee 311452bee8f06b9f76a333ddf4760e4beaa82f8099buzbeenamespace art { 328cf9cb386cd9286d67e879f1ee501ec00d72a4e1Andreas Gampe 338cf9cb386cd9286d67e879f1ee501ec00d72a4e1Andreas Gampeclass Thread; 348cf9cb386cd9286d67e879f1ee501ec00d72a4e1Andreas Gampe 351452bee8f06b9f76a333ddf4760e4beaa82f8099buzbeenamespace interpreter { 361452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee 371452bee8f06b9f76a333ddf4760e4beaa82f8099buzbeevoid InitMterpTls(Thread* self); 381452bee8f06b9f76a333ddf4760e4beaa82f8099buzbeevoid CheckMterpAsmConstants(); 396740997e6934bbca27d5830a32352d82aabbd38bAndreas Gampe 406740997e6934bbca27d5830a32352d82aabbd38bAndreas Gampe// The return type should be 'bool' but our assembly stubs expect 'bool' 416740997e6934bbca27d5830a32352d82aabbd38bAndreas Gampe// to be zero-extended to the whole register and that's broken on x86-64 426740997e6934bbca27d5830a32352d82aabbd38bAndreas Gampe// as a 'bool' is returned in 'al' and the rest of 'rax' is garbage. 436740997e6934bbca27d5830a32352d82aabbd38bAndreas Gampe// TODO: Fix mterp and stubs and revert this workaround. http://b/30232671 446740997e6934bbca27d5830a32352d82aabbd38bAndreas Gampeextern "C" size_t MterpShouldSwitchInterpreters(); 451452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee 46d47fd907c898e0b8d4a4e50742f9b2f3003b906fBill Buzbee// Poison value for TestExportPC. If we segfault with this value, it means that a mterp 47d47fd907c898e0b8d4a4e50742f9b2f3003b906fBill Buzbee// handler for a recent opcode failed to export the Dalvik PC prior to a possible exit from 48d47fd907c898e0b8d4a4e50742f9b2f3003b906fBill Buzbee// the mterp environment. 49d47fd907c898e0b8d4a4e50742f9b2f3003b906fBill Buzbeeconstexpr uintptr_t kExportPCPoison = 0xdead00ff; 50d47fd907c898e0b8d4a4e50742f9b2f3003b906fBill Buzbee// Set true to enable poison testing of ExportPC. Uses Alt interpreter. 51d47fd907c898e0b8d4a4e50742f9b2f3003b906fBill Buzbeeconstexpr bool kTestExportPC = false; 52d47fd907c898e0b8d4a4e50742f9b2f3003b906fBill Buzbee 531452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee} // namespace interpreter 541452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee} // namespace art 551452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee 561452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee#endif // ART_RUNTIME_INTERPRETER_MTERP_MTERP_H_ 57