1fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org// Copyright 2012 the V8 project authors. All rights reserved. 2b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// Redistribution and use in source and binary forms, with or without 3b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// modification, are permitted provided that the following conditions are 4b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// met: 5b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// 6b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// * Redistributions of source code must retain the above copyright 7b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// notice, this list of conditions and the following disclaimer. 8b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// * Redistributions in binary form must reproduce the above 9b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// copyright notice, this list of conditions and the following 10b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// disclaimer in the documentation and/or other materials provided 11b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// with the distribution. 12b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// * Neither the name of Google Inc. nor the names of its 13b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// contributors may be used to endorse or promote products derived 14b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// from this software without specific prior written permission. 15b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// 16b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 28b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// This file defines all of the flags. It is separated into different section, 29b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// for Debug, Release, Logging and Profiling, etc. To add a new flag, find the 30b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// correct section, and use one of the DEFINE_ macros, without a trailing ';'. 31b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// 32b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// This include does not have a guard, because it is a template-style include, 33b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// which can be included multiple times in different modes. It expects to have 34b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// a mode defined before it's included. The modes are FLAG_MODE_... below: 35b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 36b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// We want to declare the names of the variables for the header file. Normally 37b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// this will just be an extern declaration, but for a readonly flag we let the 38b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// compiler make better optimizations by giving it the value. 39b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#if defined(FLAG_MODE_DECLARE) 40b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define FLAG_FULL(ftype, ctype, nam, def, cmt) \ 41b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org extern ctype FLAG_##nam; 42b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define FLAG_READONLY(ftype, ctype, nam, def, cmt) \ 43b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org static ctype const FLAG_##nam = def; 447ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org#define DEFINE_implication(whenflag, thenflag) 45b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 46b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// We want to supply the actual storage and value for the flag variable in the 47b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// .cc file. We only do this for writable flags. 48b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#elif defined(FLAG_MODE_DEFINE) 49b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define FLAG_FULL(ftype, ctype, nam, def, cmt) \ 50b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org ctype FLAG_##nam = def; 51b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define FLAG_READONLY(ftype, ctype, nam, def, cmt) 527ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org#define DEFINE_implication(whenflag, thenflag) 53b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 54b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// We need to define all of our default values so that the Flag structure can 55b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// access them by pointer. These are just used internally inside of one .cc, 56b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// for MODE_META, so there is no impact on the flags interface. 57b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#elif defined(FLAG_MODE_DEFINE_DEFAULTS) 58b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define FLAG_FULL(ftype, ctype, nam, def, cmt) \ 59b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org static ctype const FLAGDEFAULT_##nam = def; 60b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define FLAG_READONLY(ftype, ctype, nam, def, cmt) 617ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org#define DEFINE_implication(whenflag, thenflag) 62b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 63b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// We want to write entries into our meta data table, for internal parsing and 64b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// printing / etc in the flag parser code. We only do this for writable flags. 65b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#elif defined(FLAG_MODE_META) 66b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define FLAG_FULL(ftype, ctype, nam, def, cmt) \ 6741826e77311db718135ef6517b846933dfd275f3ager@chromium.org { Flag::TYPE_##ftype, #nam, &FLAG_##nam, &FLAGDEFAULT_##nam, cmt, false }, 68b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define FLAG_READONLY(ftype, ctype, nam, def, cmt) 697ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org#define DEFINE_implication(whenflag, thenflag) 707ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org 717ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org// We produce the code to set flags when it is implied by another flag. 727ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org#elif defined(FLAG_MODE_DEFINE_IMPLICATIONS) 737ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org#define FLAG_FULL(ftype, ctype, nam, def, cmt) 747ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org#define FLAG_READONLY(ftype, ctype, nam, def, cmt) 757ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org#define DEFINE_implication(whenflag, thenflag) \ 767ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org if (FLAG_##whenflag) FLAG_##thenflag = true; 77b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 78b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#else 79b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#error No mode supplied when including flags.defs 80b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#endif 81b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 823bf7b91c90e9bff46f53eec55055d2d1a1949215ager@chromium.org#ifdef FLAG_MODE_DECLARE 833bf7b91c90e9bff46f53eec55055d2d1a1949215ager@chromium.org// Structure used to hold a collection of arguments to the JavaScript code. 841456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org#define JSARGUMENTS_INIT {{}} 853bf7b91c90e9bff46f53eec55055d2d1a1949215ager@chromium.orgstruct JSArguments { 863bf7b91c90e9bff46f53eec55055d2d1a1949215ager@chromium.orgpublic: 871456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org inline int argc() const { 881456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org return static_cast<int>(storage_[0]); 891456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org } 901456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org inline const char** argv() const { 911456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org return reinterpret_cast<const char**>(storage_[1]); 921456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org } 931456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org inline const char*& operator[] (int idx) const { 941456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org return argv()[idx]; 951456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org } 961456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org inline JSArguments& operator=(JSArguments args) { 971456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org set_argc(args.argc()); 981456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org set_argv(args.argv()); 991456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org return *this; 1001456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org } 1011456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org static JSArguments Create(int argc, const char** argv) { 1021456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org JSArguments args; 1031456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org args.set_argc(argc); 1041456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org args.set_argv(argv); 1051456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org return args; 1061456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org } 1073bf7b91c90e9bff46f53eec55055d2d1a1949215ager@chromium.orgprivate: 1081456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org void set_argc(int argc) { 1091456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org storage_[0] = argc; 1101456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org } 1111456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org void set_argv(const char** argv) { 1121456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org storage_[1] = reinterpret_cast<AtomicWord>(argv); 1131456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org } 1141456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.orgpublic: 1151456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org // Contains argc and argv. Unfortunately we have to store these two fields 1161456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org // into a single one to avoid making the initialization macro (which would be 1171456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org // "{ 0, NULL }") contain a coma. 1181456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org AtomicWord storage_[2]; 1193bf7b91c90e9bff46f53eec55055d2d1a1949215ager@chromium.org}; 1203bf7b91c90e9bff46f53eec55055d2d1a1949215ager@chromium.org#endif 1213bf7b91c90e9bff46f53eec55055d2d1a1949215ager@chromium.org 122e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org#if (defined CAN_USE_VFP3_INSTRUCTIONS) || !(defined ARM_TEST) 123e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org# define ENABLE_VFP3_DEFAULT true 124e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org#else 125e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org# define ENABLE_VFP3_DEFAULT false 126e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org#endif 127e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org#if (defined CAN_USE_ARMV7_INSTRUCTIONS) || !(defined ARM_TEST) 128e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org# define ENABLE_ARMV7_DEFAULT true 129e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org#else 130e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org# define ENABLE_ARMV7_DEFAULT false 131e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org#endif 132e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org#if (defined CAN_USE_VFP32DREGS) || !(defined ARM_TEST) 133e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org# define ENABLE_32DREGS_DEFAULT true 134e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org#else 135e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org# define ENABLE_32DREGS_DEFAULT false 136e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org#endif 137e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 138b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define DEFINE_bool(nam, def, cmt) FLAG(BOOL, bool, nam, def, cmt) 139b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define DEFINE_int(nam, def, cmt) FLAG(INT, int, nam, def, cmt) 140b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define DEFINE_float(nam, def, cmt) FLAG(FLOAT, double, nam, def, cmt) 141b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define DEFINE_string(nam, def, cmt) FLAG(STRING, const char*, nam, def, cmt) 1423bf7b91c90e9bff46f53eec55055d2d1a1949215ager@chromium.org#define DEFINE_args(nam, def, cmt) FLAG(ARGS, JSArguments, nam, def, cmt) 143b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 144b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// 145b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// Flags in all modes. 146b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// 147b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define FLAG FLAG_FULL 148b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 149f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.org// Flags for language modes and experimental language features. 150f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.orgDEFINE_bool(use_strict, false, "enforce strict mode") 15178502a9310f9ff7ecb5377453c4e16d091c93676jkummerow@chromium.orgDEFINE_bool(es5_readonly, true, 1527028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org "activate correct semantics for inheriting readonliness") 153657d53b99cb4d261f8245bcb4248c39eb0a2b10frossberg@chromium.orgDEFINE_bool(es52_globals, true, 15488d326b0935b802e71e3a75e02f31fae8c2af96cmstarzinger@chromium.org "activate new semantics for global var declarations") 155f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.org 1564acdc2c8d4caecf7606db8af710366c1d6e28fe5whesse@chromium.orgDEFINE_bool(harmony_typeof, false, "enable harmony semantics for typeof") 157b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.orgDEFINE_bool(harmony_scoping, false, "enable harmony block scoping") 158f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.orgDEFINE_bool(harmony_modules, false, 159f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.org "enable harmony modules (implies block scoping)") 1604a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.orgDEFINE_bool(harmony_symbols, false, 1614a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org "enable harmony symbols (a.k.a. private names)") 162160a7b0747492f3f735353d9582521f3314bf4dfdanno@chromium.orgDEFINE_bool(harmony_proxies, false, "enable harmony proxies") 163394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.comDEFINE_bool(harmony_collections, false, 164394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com "enable harmony collections (sets, maps, and weak maps)") 165e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.orgDEFINE_bool(harmony_observation, false, 16672204d59e7fb1b8a0e9012e1fac5ef160351e8e4danno@chromium.org "enable harmony object observation (implies harmony collections") 167f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgDEFINE_bool(harmony_typed_arrays, false, 168f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org "enable harmony typed arrays") 16957ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.orgDEFINE_bool(harmony_array_buffer, false, 17057ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org "enable harmony array buffer") 17157ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.orgDEFINE_implication(harmony_typed_arrays, harmony_array_buffer) 172f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgDEFINE_bool(harmony_generators, false, "enable harmony generators") 1731fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.orgDEFINE_bool(harmony_iteration, false, "enable harmony iteration (for-of)") 174ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.orgDEFINE_bool(harmony_numeric_literals, false, 175ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.org "enable harmony numeric literals (0o77, 0b11)") 176d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.orgDEFINE_bool(harmony_strings, false, "enable harmony string") 177594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.orgDEFINE_bool(harmony_arrays, false, "enable harmony arrays") 178fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.orgDEFINE_bool(harmony, false, "enable all harmony features (except typeof)") 1797ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.orgDEFINE_implication(harmony, harmony_scoping) 18078d1ad443658709d6c27809001a0e71efd8b898fyangguo@chromium.orgDEFINE_implication(harmony, harmony_modules) 1814a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.orgDEFINE_implication(harmony, harmony_symbols) 1827ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.orgDEFINE_implication(harmony, harmony_proxies) 1837ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.orgDEFINE_implication(harmony, harmony_collections) 184e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.orgDEFINE_implication(harmony, harmony_observation) 18541728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.orgDEFINE_implication(harmony, harmony_generators) 1861fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.orgDEFINE_implication(harmony, harmony_iteration) 187ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.orgDEFINE_implication(harmony, harmony_numeric_literals) 188d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.orgDEFINE_implication(harmony, harmony_strings) 189594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.orgDEFINE_implication(harmony, harmony_arrays) 190f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.orgDEFINE_implication(harmony_modules, harmony_scoping) 191e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.orgDEFINE_implication(harmony_observation, harmony_collections) 192f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org// TODO[dslomov] add harmony => harmony_typed_arrays 193160a7b0747492f3f735353d9582521f3314bf4dfdanno@chromium.org 1946d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org// Flags for experimental implementation features. 195304cc33f8259ef467e8e3c79f448d0bae0e8cd85yangguo@chromium.orgDEFINE_bool(packed_arrays, true, "optimizes arrays that have no holes") 196f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.orgDEFINE_bool(smi_only_arrays, true, "tracks arrays with only smi values") 197e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.orgDEFINE_bool(compiled_keyed_stores, true, "use optimizing compiler to " 1987bd87f0fe09b5d7c12de8f1db0bdb759dc4130acjkummerow@chromium.org "generate keyed store stubs") 199b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.orgDEFINE_bool(clever_optimizations, 200b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.org true, 201b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.org "Optimize object size, Array shift, DOM strings and string +") 202a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.orgDEFINE_bool(pretenuring, true, "allocate objects in old space") 20310480471c0db59c51c15e57d2a3489551d61b273jkummerow@chromium.org// TODO(hpayer): We will remove this flag as soon as we have pretenuring 20410480471c0db59c51c15e57d2a3489551d61b273jkummerow@chromium.org// support for specific allocation sites. 20510480471c0db59c51c15e57d2a3489551d61b273jkummerow@chromium.orgDEFINE_bool(pretenuring_call_new, false, "pretenure call new") 206906e2fb760f52fe6e75b744b1ea42576ea5b2c29ulan@chromium.orgDEFINE_bool(track_fields, true, "track fields with only smi values") 207bf9432e3965b385e2e8df3701b710c105f5b3eb7ulan@chromium.orgDEFINE_bool(track_double_fields, true, "track fields with double values") 208906e2fb760f52fe6e75b744b1ea42576ea5b2c29ulan@chromium.orgDEFINE_bool(track_heap_object_fields, true, "track fields with heap values") 2091fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.orgDEFINE_bool(track_computed_fields, true, "track computed boilerplate fields") 210f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.orgDEFINE_implication(track_double_fields, track_fields) 211906e2fb760f52fe6e75b744b1ea42576ea5b2c29ulan@chromium.orgDEFINE_implication(track_heap_object_fields, track_fields) 2121fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.orgDEFINE_implication(track_computed_fields, track_fields) 213fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.orgDEFINE_bool(smi_binop, true, "support smi representation in binary operations") 2146d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org 215fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org// Flags for data representation optimizations 216fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.orgDEFINE_bool(unbox_double_arrays, true, "automatically unbox arrays of doubles") 217fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.orgDEFINE_bool(string_slices, true, "use string slices") 218fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org 219a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// Flags for Crankshaft. 220c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgDEFINE_bool(crankshaft, true, "use crankshaft") 221ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.orgDEFINE_string(hydrogen_filter, "*", "optimization filter") 222a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(use_range, true, "use hydrogen range analysis") 223a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(use_gvn, true, "use hydrogen global value numbering") 224a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(use_canonicalizing, true, "use hydrogen instruction canonicalizing") 225a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(use_inlining, true, "use function inlining") 22693a47f4837f2137c8d8349250fd8e91da3108126jkummerow@chromium.orgDEFINE_bool(use_escape_analysis, false, "use hydrogen escape analysis") 227169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.orgDEFINE_bool(use_allocation_folding, true, "use allocation folding") 228ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.orgDEFINE_int(max_inlining_levels, 5, "maximum number of inlining levels") 22988d326b0935b802e71e3a75e02f31fae8c2af96cmstarzinger@chromium.orgDEFINE_int(max_inlined_source_size, 600, 23088d326b0935b802e71e3a75e02f31fae8c2af96cmstarzinger@chromium.org "maximum source size in bytes considered for a single inlining") 23188d326b0935b802e71e3a75e02f31fae8c2af96cmstarzinger@chromium.orgDEFINE_int(max_inlined_nodes, 196, 23288d326b0935b802e71e3a75e02f31fae8c2af96cmstarzinger@chromium.org "maximum number of AST nodes considered for a single inlining") 233ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.orgDEFINE_int(max_inlined_nodes_cumulative, 400, 23488d326b0935b802e71e3a75e02f31fae8c2af96cmstarzinger@chromium.org "maximum cumulative number of AST nodes considered for inlining") 235a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(loop_invariant_code_motion, true, "loop invariant code motion") 2361f34ad3eadf9b0e6b8ed415817d276f54dd6d06bdanno@chromium.orgDEFINE_bool(fast_math, true, "faster (but maybe less accurate) math functions") 2370ad885c06ff6a0d68bc9ad75629f7ddfaa6860b9erikcorryDEFINE_bool(collect_megamorphic_maps_from_stub_cache, 2380ad885c06ff6a0d68bc9ad75629f7ddfaa6860b9erikcorry true, 2390ad885c06ff6a0d68bc9ad75629f7ddfaa6860b9erikcorry "crankshaft harvests type feedback from stub cache") 240b08986cb66c3f6687247cb6da186c1e73057e399whesse@chromium.orgDEFINE_bool(hydrogen_stats, false, "print statistics for hydrogen") 241a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(trace_hydrogen, false, "trace generated hydrogen to file") 242fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.orgDEFINE_bool(trace_hydrogen_stubs, false, "trace generated hydrogen for stubs") 243fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.orgDEFINE_string(trace_hydrogen_file, NULL, "trace hydrogen to given file name") 244fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.orgDEFINE_string(trace_phase, "HLZ", "trace generated IR for specified phases") 245a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(trace_inlining, false, "trace inlining decisions") 246a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(trace_alloc, false, "trace register allocator") 2473a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.orgDEFINE_bool(trace_all_uses, false, "trace all use positions") 248a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(trace_range, false, "trace range analysis") 249a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(trace_gvn, false, "trace global value numbering") 250a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(trace_representation, false, "trace representation types") 25193a47f4837f2137c8d8349250fd8e91da3108126jkummerow@chromium.orgDEFINE_bool(trace_escape_analysis, false, "trace hydrogen escape analysis") 252169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.orgDEFINE_bool(trace_allocation_folding, false, "trace allocation folding") 25346a2a51ad190697e0f62c3060ce02a9de5820a07yangguo@chromium.orgDEFINE_bool(trace_track_allocation_sites, false, 25446a2a51ad190697e0f62c3060ce02a9de5820a07yangguo@chromium.org "trace the tracking of allocation sites") 25557ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.orgDEFINE_bool(trace_migration, false, "trace object migration") 25657ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.orgDEFINE_bool(trace_generalization, false, "trace map generalization") 257a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(stress_pointer_maps, false, "pointer map for every instruction") 258a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(stress_environments, false, "environment for every instruction") 259a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_int(deopt_every_n_times, 260a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 0, 261a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org "deoptimize every n times a deopt point is passed") 26232d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.orgDEFINE_int(deopt_every_n_garbage_collections, 26332d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org 0, 26432d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org "deoptimize every n garbage collections") 265ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.orgDEFINE_bool(print_deopt_stress, false, "print number of possible deopt points") 266a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(trap_on_deopt, false, "put a break point before deoptimizing") 267594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.orgDEFINE_bool(trap_on_stub_deopt, false, 268594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org "put a break point before deoptimizing a stub") 269a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(deoptimize_uncommon_cases, true, "deoptimize uncommon cases") 270a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(polymorphic_inlining, true, "polymorphic inlining") 271a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(use_osr, true, "use on-stack replacement") 27256c14afabc547f0a8ab2e24d789c00030f8df892ulan@chromium.orgDEFINE_bool(array_bounds_checks_elimination, true, 273efdb9d70bddd496ceb6a281dadcc065efbce37a1yangguo@chromium.org "perform array bounds checks elimination") 274fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.orgDEFINE_bool(array_bounds_checks_hoisting, false, 275fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org "perform array bounds checks hoisting") 27656c14afabc547f0a8ab2e24d789c00030f8df892ulan@chromium.orgDEFINE_bool(array_index_dehoisting, true, 2770e3f88bd850f46930aa95684377fab02a394ae41ulan@chromium.org "perform array index dehoisting") 278d4be0f0c0edfc0a0b46e745055c3dc497c0ffcb5verwaest@chromium.orgDEFINE_bool(analyze_environment_liveness, true, 279d4be0f0c0edfc0a0b46e745055c3dc497c0ffcb5verwaest@chromium.org "analyze liveness of environment slots and zap dead values") 280c1956679bbba3170352a8cc735e8218f9dbe6867jkummerow@chromium.orgDEFINE_bool(dead_code_elimination, true, "use dead code elimination") 2812e04b58f1dc7cee8fdf047b5dbc9dc93e767821dulan@chromium.orgDEFINE_bool(fold_constants, true, "use constant folding") 282c1956679bbba3170352a8cc735e8218f9dbe6867jkummerow@chromium.orgDEFINE_bool(trace_dead_code_elimination, false, "trace dead code elimination") 28328381b491d5ea9f256a3937000de7953639ef93fyangguo@chromium.orgDEFINE_bool(unreachable_code_elimination, false, 28428381b491d5ea9f256a3937000de7953639ef93fyangguo@chromium.org "eliminate unreachable code (hidden behind soft deopts)") 28559297c735ad2a41156ae9c723a39ff259ad061e0jkummerow@chromium.orgDEFINE_bool(track_allocation_sites, true, 28659297c735ad2a41156ae9c723a39ff259ad061e0jkummerow@chromium.org "Use allocation site info to reduce transitions") 287a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(trace_osr, false, "trace on-stack replacement") 2885f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgDEFINE_int(stress_runs, 0, "number of stress runs") 289c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.orgDEFINE_bool(optimize_closures, true, "optimize closures") 2905a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.orgDEFINE_bool(lookup_sample_by_shared, true, 2915a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org "when picking a function to optimize, watch for shared function " 2925a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org "info, not JSFunction itself") 293d9e468a431d0d87cf3e9898459410eedb1ea9e9aulan@chromium.orgDEFINE_bool(cache_optimized_code, true, 2945a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org "cache optimized code for closures") 2954e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.orgDEFINE_bool(flush_optimized_code_cache, true, 2964e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org "flushes the cache of optimized code for closures on every GC") 2972c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.orgDEFINE_bool(inline_construct, true, "inline constructor calls") 298154ff99473e866f5eb00a44045e27866a7fdce29yangguo@chromium.orgDEFINE_bool(inline_arguments, true, "inline functions with arguments object") 299de88679a78f9dae12fdf7955610969ac4c79b0bemstarzinger@chromium.orgDEFINE_bool(inline_accessors, true, "inline JavaScript accessors") 300fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.orgDEFINE_int(loop_weight, 1, "loop weight for representation inference") 301a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 302967e270a034432457500dbf950d2c4951a929e52ulan@chromium.orgDEFINE_bool(optimize_for_in, true, 303a7d3df915ae6a29cd392dba32a26049d7b9b008fyangguo@chromium.org "optimize functions containing for-in loops") 30446839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.orgDEFINE_bool(opt_safe_uint32_operations, true, 305fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org "allow uint32 values on optimize frames if they are used only in " 30646839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org "safe operations") 307a7d3df915ae6a29cd392dba32a26049d7b9b008fyangguo@chromium.org 3081510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgDEFINE_bool(parallel_recompilation, true, 309304cc33f8259ef467e8e3c79f448d0bae0e8cd85yangguo@chromium.org "optimizing hot functions asynchronously on a separate thread") 310304cc33f8259ef467e8e3c79f448d0bae0e8cd85yangguo@chromium.orgDEFINE_bool(trace_parallel_recompilation, false, "track parallel recompilation") 3111510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgDEFINE_int(parallel_recompilation_queue_length, 8, 312304cc33f8259ef467e8e3c79f448d0bae0e8cd85yangguo@chromium.org "the length of the parallel compilation queue") 313750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.orgDEFINE_int(parallel_recompilation_delay, 0, 314750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org "artificial compilation delay in ms") 315c73d55b355913690124f3ee70c344035431cdd3ayangguo@chromium.orgDEFINE_bool(omit_map_checks_for_leaf_maps, true, 316c73d55b355913690124f3ee70c344035431cdd3ayangguo@chromium.org "do not emit check maps for constant values that have a leaf map, " 317c73d55b355913690124f3ee70c344035431cdd3ayangguo@chromium.org "deoptimize the optimized code if the layout of the maps changes.") 318304cc33f8259ef467e8e3c79f448d0bae0e8cd85yangguo@chromium.org 31978d1ad443658709d6c27809001a0e71efd8b898fyangguo@chromium.org// Experimental profiler changes. 320531dfe85209e15c3e292569c285a5be54910da7cjkummerow@chromium.orgDEFINE_bool(experimental_profiler, true, "enable all profiler experiments") 32178d1ad443658709d6c27809001a0e71efd8b898fyangguo@chromium.orgDEFINE_bool(watch_ic_patching, false, "profiler considers IC stability") 3224efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.orgDEFINE_int(frame_count, 1, "number of stack frames inspected by the profiler") 32378d1ad443658709d6c27809001a0e71efd8b898fyangguo@chromium.orgDEFINE_bool(self_optimization, false, 32478d1ad443658709d6c27809001a0e71efd8b898fyangguo@chromium.org "primitive functions trigger their own optimization") 3254efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.orgDEFINE_bool(direct_self_opt, false, 3264efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org "call recompile stub directly when self-optimizing") 3274efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.orgDEFINE_bool(retry_self_opt, false, "re-try self-optimization if it failed") 328be6bd10d8264b7a05e0a04407eb98b253bc0f152kmillikin@chromium.orgDEFINE_bool(interrupt_at_exit, false, 329be6bd10d8264b7a05e0a04407eb98b253bc0f152kmillikin@chromium.org "insert an interrupt check at function exit") 33056454717593e7552d6846198b8e0f661fa36a3cayangguo@chromium.orgDEFINE_bool(weighted_back_edges, false, 33156454717593e7552d6846198b8e0f661fa36a3cayangguo@chromium.org "weight back edges by jump distance for interrupt triggering") 332471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org // 0x1700 fits in the immediate field of an ARM instruction. 333471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.orgDEFINE_int(interrupt_budget, 0x1700, 33456454717593e7552d6846198b8e0f661fa36a3cayangguo@chromium.org "execution budget before interrupt is triggered") 335fee992bb82f8bc64bb35d7133567a2f6d2671b64jkummerow@chromium.orgDEFINE_int(type_info_threshold, 25, 336f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.org "percentage of ICs that must have type info to allow optimization") 3374efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.orgDEFINE_int(self_opt_count, 130, "call count before self-optimization") 33878d1ad443658709d6c27809001a0e71efd8b898fyangguo@chromium.org 33978d1ad443658709d6c27809001a0e71efd8b898fyangguo@chromium.orgDEFINE_implication(experimental_profiler, watch_ic_patching) 34078d1ad443658709d6c27809001a0e71efd8b898fyangguo@chromium.orgDEFINE_implication(experimental_profiler, self_optimization) 3414efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org// Not implying direct_self_opt here because it seems to be a bad idea. 3424efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.orgDEFINE_implication(experimental_profiler, retry_self_opt) 343be6bd10d8264b7a05e0a04407eb98b253bc0f152kmillikin@chromium.orgDEFINE_implication(experimental_profiler, interrupt_at_exit) 34456454717593e7552d6846198b8e0f661fa36a3cayangguo@chromium.orgDEFINE_implication(experimental_profiler, weighted_back_edges) 34578d1ad443658709d6c27809001a0e71efd8b898fyangguo@chromium.org 346f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.orgDEFINE_bool(trace_opt_verbose, false, "extra verbose compilation tracing") 347f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.orgDEFINE_implication(trace_opt_verbose, trace_opt) 348f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.org 3499d58c2b1c27d8b2890b9bd46e57d3842b09e0292christian.plesner.hansen@gmail.com// assembler-ia32.cc / assembler-arm.cc / assembler-x64.cc 350b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(debug_code, false, 351a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org "generate extra code (assertions) for debugging") 352a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(code_comments, false, "emit comments in code disassembly") 3539d58c2b1c27d8b2890b9bd46e57d3842b09e0292christian.plesner.hansen@gmail.comDEFINE_bool(enable_sse2, true, 3549d58c2b1c27d8b2890b9bd46e57d3842b09e0292christian.plesner.hansen@gmail.com "enable use of SSE2 instructions if available") 3559d58c2b1c27d8b2890b9bd46e57d3842b09e0292christian.plesner.hansen@gmail.comDEFINE_bool(enable_sse3, true, 3569d58c2b1c27d8b2890b9bd46e57d3842b09e0292christian.plesner.hansen@gmail.com "enable use of SSE3 instructions if available") 357f05f2913e034b9332e55c02c9395e701725c02c1kmillikin@chromium.orgDEFINE_bool(enable_sse4_1, true, 358f05f2913e034b9332e55c02c9395e701725c02c1kmillikin@chromium.org "enable use of SSE4.1 instructions if available") 3599d58c2b1c27d8b2890b9bd46e57d3842b09e0292christian.plesner.hansen@gmail.comDEFINE_bool(enable_cmov, true, 3609d58c2b1c27d8b2890b9bd46e57d3842b09e0292christian.plesner.hansen@gmail.com "enable use of CMOV instruction if available") 3619d58c2b1c27d8b2890b9bd46e57d3842b09e0292christian.plesner.hansen@gmail.comDEFINE_bool(enable_rdtsc, true, 3629d58c2b1c27d8b2890b9bd46e57d3842b09e0292christian.plesner.hansen@gmail.com "enable use of RDTSC instruction if available") 3639d58c2b1c27d8b2890b9bd46e57d3842b09e0292christian.plesner.hansen@gmail.comDEFINE_bool(enable_sahf, true, 3649d58c2b1c27d8b2890b9bd46e57d3842b09e0292christian.plesner.hansen@gmail.com "enable use of SAHF instruction if available (X64 only)") 365e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.orgDEFINE_bool(enable_vfp3, ENABLE_VFP3_DEFAULT, 366e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org "enable use of VFP3 instructions if available") 367e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.orgDEFINE_bool(enable_armv7, ENABLE_ARMV7_DEFAULT, 3685c838251403b0be9a882540f1922577abba4c872ager@chromium.org "enable use of ARMv7 instructions if available (ARM only)") 369169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.orgDEFINE_bool(enable_neon, true, 370169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org "enable use of NEON instructions if available (ARM only)") 37133e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.orgDEFINE_bool(enable_sudiv, true, 37233e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org "enable use of SDIV and UDIV instructions if available (ARM only)") 37389e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.orgDEFINE_bool(enable_movw_movt, false, 37489e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.org "enable loading 32-bit constant by means of movw/movt " 37589e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.org "instruction pairs (ARM only)") 37689e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.orgDEFINE_bool(enable_unaligned_accesses, true, 37789e18f5599cb4cd462cb1ed324addd7388fb4d60rossberg@chromium.org "enable unaligned accesses for ARMv7 (ARM only)") 378e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.orgDEFINE_bool(enable_32dregs, ENABLE_32DREGS_DEFAULT, 379003650ee766f5e92756d470a37973fd371757485yangguo@chromium.org "enable use of d16-d31 registers on ARM - this requires VFP3") 3804cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.orgDEFINE_bool(enable_vldr_imm, false, 3814cd70b470729dd5850dd4120a350f01363d16837yangguo@chromium.org "enable use of constant pools for double immediate (ARM only)") 382b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 383b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// bootstrapper.cc 384c1789eecd43bf9c5497636592bf14fa754d04c89machenbach@chromium.orgDEFINE_bool(enable_i18n, true, "enable i18n extension") 385b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_string(expose_natives_as, NULL, "expose natives in global object") 386b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_string(expose_debug_as, NULL, "expose debug in global object") 387b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(expose_gc, false, "expose gc extension") 38832d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.orgDEFINE_string(expose_gc_as, 38932d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org NULL, 39032d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org "expose gc extension under the specified name") 39132d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.orgDEFINE_implication(expose_gc_as, expose_gc) 3925ad5acef6bd4ebc785f946d8bcc2a88b1e031827ricow@chromium.orgDEFINE_bool(expose_externalize_string, false, 3935ad5acef6bd4ebc785f946d8bcc2a88b1e031827ricow@chromium.org "expose externalize string extension") 39486f77b7fe492ed2bdfbf4e1147dab2f09c7d7003kasperl@chromium.orgDEFINE_int(stack_trace_limit, 10, "number of stack frames to capture") 395394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.comDEFINE_bool(builtins_in_stack_traces, false, 396394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com "show built-in functions in stack traces") 3975d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.orgDEFINE_bool(disable_native_files, false, "disable builtin natives files") 398b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 399b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// builtins-ia32.cc 400b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(inline_new, true, "use fast inline allocation") 401b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 402b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// checks.cc 403b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(stack_trace_on_abort, true, 404b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "print a stack trace if an assertion failure occurs") 405b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 406b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// codegen-ia32.cc / codegen-arm.cc 407a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.orgDEFINE_bool(trace_codegen, false, 408a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org "print name of functions for which code is generated") 409b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(trace, false, "trace function calls") 410e03fb64ef23331755b7986d2560bc4c00ba3e67bfschneider@chromium.orgDEFINE_bool(mask_constants_with_cookie, 411e03fb64ef23331755b7986d2560bc4c00ba3e67bfschneider@chromium.org true, 412e03fb64ef23331755b7986d2560bc4c00ba3e67bfschneider@chromium.org "use random jit cookie to mask large constants") 413b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 414b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// codegen.cc 415b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(lazy, true, "use lazy compilation") 416a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(trace_opt, false, "trace lazy optimization") 4175f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgDEFINE_bool(trace_opt_stats, false, "trace lazy optimization statistics") 418a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(opt, true, "use adaptive optimizations") 419a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(always_opt, false, "always try to optimize functions") 4201510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgDEFINE_bool(always_osr, false, "always try to OSR functions") 421a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(prepare_always_opt, false, "prepare for turning on always opt") 4222f0efdebb142c00de6950453b4c2df20ceb8df6emmassi@chromium.orgDEFINE_bool(trace_deopt, false, "trace optimize function deoptimization") 4232f0efdebb142c00de6950453b4c2df20ceb8df6emmassi@chromium.orgDEFINE_bool(trace_stub_failures, false, 4242f0efdebb142c00de6950453b4c2df20ceb8df6emmassi@chromium.org "trace deoptimization of generated code stubs") 425b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 426b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// compiler.cc 427b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_int(min_preparse_length, 1024, 4289d58c2b1c27d8b2890b9bd46e57d3842b09e0292christian.plesner.hansen@gmail.com "minimum length for automatic enable preparsing") 429b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgDEFINE_bool(always_full_compiler, false, 430b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org "try to use the dedicated run-once backend for all code") 431de64f721c489207a7b9018406d39c7fb04bb9424verwaest@chromium.orgDEFINE_int(max_opt_count, 10, 432de64f721c489207a7b9018406d39c7fb04bb9424verwaest@chromium.org "maximum number of optimization attempts before giving up.") 433b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 43471affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.org// compilation-cache.cc 43571affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.orgDEFINE_bool(compilation_cache, true, "enable compilation cache") 43671affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.org 4373847bd5ff857259e945a01d75fdb383e2351d166erik.corry@gmail.comDEFINE_bool(cache_prototype_transitions, true, "cache prototype transitions") 4383847bd5ff857259e945a01d75fdb383e2351d166erik.corry@gmail.com 439b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// debug.cc 440b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(trace_debug_json, false, "trace debugging JSON request/response") 4417c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.orgDEFINE_bool(trace_js_array_abuse, false, 4427c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.org "trace out-of-bounds accesses to JS arrays") 4437c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.orgDEFINE_bool(trace_external_array_abuse, false, 4447c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.org "trace out-of-bounds-accesses to external arrays") 4457c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.orgDEFINE_bool(trace_array_abuse, false, 4467c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.org "trace out-of-bounds accesses to all arrays") 4477c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.orgDEFINE_implication(trace_array_abuse, trace_js_array_abuse) 4487c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.orgDEFINE_implication(trace_array_abuse, trace_external_array_abuse) 449ac6aa175ab59d65cfb7a88dbb621e1d7f1a80b8fsgjesse@chromium.orgDEFINE_bool(debugger_auto_break, true, 450bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org "automatically set the debug break flag when debugger commands are " 451ac6aa175ab59d65cfb7a88dbb621e1d7f1a80b8fsgjesse@chromium.org "in the queue") 452ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.orgDEFINE_bool(enable_liveedit, true, "enable liveedit experimental feature") 4532c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.orgDEFINE_bool(break_on_abort, true, "always cause a debug break before aborting") 454b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 455496c03a64f12710e837204e261ef155601247895sgjesse@chromium.org// execution.cc 4567d10be581a91ab5eefa1139ff0b86c64ac8f6e59fschneider@chromium.org// Slightly less than 1MB on 64-bit, since Windows' default stack size for 4577d10be581a91ab5eefa1139ff0b86c64ac8f6e59fschneider@chromium.org// the main execution thread is 1MB for both 32 and 64-bit. 4587d10be581a91ab5eefa1139ff0b86c64ac8f6e59fschneider@chromium.orgDEFINE_int(stack_size, kPointerSize * 123, 459fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org "default size of stack region v8 is allowed to use (in kBytes)") 460496c03a64f12710e837204e261ef155601247895sgjesse@chromium.org 461b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// frames.cc 462b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_int(max_stack_trace_source_length, 300, 463b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "maximum length of function source code printed in a stack trace.") 464b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 465d88afa260e45de10e729b05a20146184a488aff7erik.corry@gmail.com// full-codegen.cc 466d88afa260e45de10e729b05a20146184a488aff7erik.corry@gmail.comDEFINE_bool(always_inline_smi_code, false, 467d88afa260e45de10e729b05a20146184a488aff7erik.corry@gmail.com "always inline smi code in non-opt code") 468d88afa260e45de10e729b05a20146184a488aff7erik.corry@gmail.com 469b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// heap.cc 470f05f2913e034b9332e55c02c9395e701725c02c1kmillikin@chromium.orgDEFINE_int(max_new_space_size, 0, "max size of the new generation (in kBytes)") 471f05f2913e034b9332e55c02c9395e701725c02c1kmillikin@chromium.orgDEFINE_int(max_old_space_size, 0, "max size of the old generation (in Mbytes)") 47201fe7df37ce9858e3d0069ec6a2d7c667256b95aager@chromium.orgDEFINE_int(max_executable_size, 0, "max size of executable memory (in Mbytes)") 473b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(gc_global, false, "always perform global GCs") 474b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_int(gc_interval, -1, "garbage collect after <n> allocations") 475b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(trace_gc, false, 476b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "print one trace line following each garbage collection") 4779dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.comDEFINE_bool(trace_gc_nvp, false, 4789dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com "print one detailed trace line in name=value format " 4799dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com "after each garbage collection") 480471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.orgDEFINE_bool(trace_gc_ignore_scavenger, false, 481471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org "do not print trace line after scavenger collection") 4829dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.comDEFINE_bool(print_cumulative_gc_stat, false, 4839dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com "print cumulative GC statistics in name=value format on exit") 484e959c18cf7193e2f021245584a3c8f1f32f82c92kasperl@chromium.orgDEFINE_bool(trace_gc_verbose, false, 485e959c18cf7193e2f021245584a3c8f1f32f82c92kasperl@chromium.org "print more details following each garbage collection") 486c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comDEFINE_bool(trace_fragmentation, false, 487c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com "report fragmentation for old pointer and data pages") 488471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.orgDEFINE_bool(trace_external_memory, false, 489471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org "print amount of external allocated memory after each time " 490471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org "it is adjusted.") 4917be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.orgDEFINE_bool(collect_maps, true, 4929bbf968a649030335309265ba2c98fcc36aeb762kasperl@chromium.org "garbage collect maps from which no objects can be reached") 493c1789eecd43bf9c5497636592bf14fa754d04c89machenbach@chromium.orgDEFINE_bool(weak_embedded_maps_in_optimized_code, true, 494068ea0a6ea115c058d1d9798029bd7fa1eaaa955mstarzinger@chromium.org "make maps embedded in optimized code weak") 4955ad5acef6bd4ebc785f946d8bcc2a88b1e031827ricow@chromium.orgDEFINE_bool(flush_code, true, 496e4ee6de0de64744d55b63da83156827c989c7099verwaest@chromium.org "flush code that we expect not to use again (during full gc)") 49749a44674c6935d62c3e776dfbf896b7f6f34228ammassi@chromium.orgDEFINE_bool(flush_code_incrementally, true, 498e4ee6de0de64744d55b63da83156827c989c7099verwaest@chromium.org "flush code that we expect not to use again (incrementally)") 4994e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.orgDEFINE_bool(trace_code_flushing, false, "trace code flushing progress") 50083130cfc204d3ffed6832a7ef149b19328a58b33svenpanne@chromium.orgDEFINE_bool(age_code, true, 501e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.org "track un-executed functions to age code and flush only " 5021510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org "old code (required for code flushing)") 503c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comDEFINE_bool(incremental_marking, true, "use incremental marking") 504c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comDEFINE_bool(incremental_marking_steps, true, "do incremental marking steps") 505c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comDEFINE_bool(trace_incremental_marking, false, 506c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com "trace progress of the incremental marking") 50728583c92ca8f528df625800519088ac88996d504jkummerow@chromium.orgDEFINE_bool(track_gc_object_stats, false, 50828583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org "track object counts and memory usage") 5097c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.orgDEFINE_bool(parallel_sweeping, true, "enable parallel sweeping") 510e3b8d0fe80e858c990832db1233c069f8b8cd5c9mstarzinger@chromium.orgDEFINE_bool(concurrent_sweeping, false, "enable concurrent sweeping") 5118432c9102e4b2125d8eec741d35237cf23167471hpayer@chromium.orgDEFINE_int(sweeper_threads, 0, 512e3b8d0fe80e858c990832db1233c069f8b8cd5c9mstarzinger@chromium.org "number of parallel and concurrent sweeping threads") 513e3b8d0fe80e858c990832db1233c069f8b8cd5c9mstarzinger@chromium.orgDEFINE_bool(parallel_marking, false, "enable parallel marking") 5148432c9102e4b2125d8eec741d35237cf23167471hpayer@chromium.orgDEFINE_int(marking_threads, 0, "number of parallel marking threads") 515c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org#ifdef VERIFY_HEAP 516c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.orgDEFINE_bool(verify_heap, false, "verify heap pointers before and after GC") 517c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org#endif 518b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 519add848f7b25aaacf2ebb523696c074d8be15e215ager@chromium.org// v8.cc 520add848f7b25aaacf2ebb523696c074d8be15e215ager@chromium.orgDEFINE_bool(use_idle_notification, true, 521add848f7b25aaacf2ebb523696c074d8be15e215ager@chromium.org "Use idle notification to reduce memory footprint.") 522b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// ic.cc 523b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(use_ic, true, "use inline caching") 524b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 525b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// macro-assembler-ia32.cc 526b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(native_code_counters, false, 527b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "generate extra code for manipulating stats counters") 528b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 529b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// mark-compact.cc 530b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(always_compact, false, "Perform compaction on every full GC") 531c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comDEFINE_bool(lazy_sweeping, true, 532c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com "Use lazy sweeping for old pointer and data spaces") 533b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(never_compact, false, 534b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "Never perform compaction on full GC - testing only") 53578d1ad443658709d6c27809001a0e71efd8b898fyangguo@chromium.orgDEFINE_bool(compact_code_space, true, 536ab7dad4f999df008b590c74c2fe3d2e2c67ef7ffjkummerow@chromium.org "Compact code space on full non-incremental collections") 53756c14afabc547f0a8ab2e24d789c00030f8df892ulan@chromium.orgDEFINE_bool(incremental_code_compaction, true, 53856c14afabc547f0a8ab2e24d789c00030f8df892ulan@chromium.org "Compact code space on full incremental collections") 539ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.orgDEFINE_bool(cleanup_code_caches_at_gc, true, 540ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org "Flush inline caches prior to mark compact collection and " 541ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org "flush code caches in maps during mark compact cycle.") 5428e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.orgDEFINE_bool(use_marking_progress_bar, true, 543fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org "Use a progress bar to scan large objects in increments when " 544fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org "incremental marking is active.") 545df7a284a293865a5fa9390be2e8f82ba3ac8598asgjesse@chromium.orgDEFINE_int(random_seed, 0, 546df7a284a293865a5fa9390be2e8f82ba3ac8598asgjesse@chromium.org "Default seed for initializing random generator " 547df7a284a293865a5fa9390be2e8f82ba3ac8598asgjesse@chromium.org "(0, the default, means to use system random).") 548b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 549023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org// objects.cc 550023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.orgDEFINE_bool(use_verbose_printer, true, "allows verbose printing") 551023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org 552b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// parser.cc 553b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(allow_natives_syntax, false, "allow natives syntax") 554304cc33f8259ef467e8e3c79f448d0bae0e8cd85yangguo@chromium.orgDEFINE_bool(trace_parse, false, "trace parsing and preparsing") 555b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 5565c838251403b0be9a882540f1922577abba4c872ager@chromium.org// simulator-arm.cc and simulator-mips.cc 557c9c80823e038328f2e1060d7feef0762a50adf06ricow@chromium.orgDEFINE_bool(trace_sim, false, "Trace simulator execution") 558c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgDEFINE_bool(check_icache, false, 559c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org "Check icache flushes in ARM and MIPS simulator") 560b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_int(stop_sim_at, 0, "Simulator stop after x number of instructions") 561c9c80823e038328f2e1060d7feef0762a50adf06ricow@chromium.orgDEFINE_int(sim_stack_alignment, 8, 562c9c80823e038328f2e1060d7feef0762a50adf06ricow@chromium.org "Stack alingment in bytes in simulator (4 or 8, 8 is default)") 563b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 5647304bcac06a6a63b9f3dcebac2eeceada87ca146vegorov@chromium.org// isolate.cc 565e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.orgDEFINE_bool(abort_on_uncaught_exception, false, 566e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org "abort program (dump core) when an uncaught exception is thrown") 567b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(trace_exception, false, 568b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "print stack trace when throwing exceptions") 569b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(preallocate_message_memory, false, 570b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "preallocate some memory to build stack traces.") 571f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.comDEFINE_bool(randomize_hashes, 572fab1498f2f42726c7de46c3ed560d56dd072a8b3rossberg@chromium.org true, 573f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com "randomize hashes to avoid predictable hash collisions " 574fab1498f2f42726c7de46c3ed560d56dd072a8b3rossberg@chromium.org "(with snapshots this option cannot override the baked-in seed)") 575f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.comDEFINE_int(hash_seed, 576fab1498f2f42726c7de46c3ed560d56dd072a8b3rossberg@chromium.org 0, 577f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com "Fixed seed to use to hash property keys (0 means random)" 578fab1498f2f42726c7de46c3ed560d56dd072a8b3rossberg@chromium.org "(with snapshots this option cannot override the baked-in seed)") 579b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 580b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// v8.cc 581b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(preemption, false, 582b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "activate a 100ms timer that switches between V8 threads") 583b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 584381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org// Regexp 585381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.orgDEFINE_bool(regexp_optimization, true, "generate optimized regexp code") 586a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 587b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// Testing flags test/cctest/test-{flags,api,serialization}.cc 588b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(testing_bool_flag, true, "testing_bool_flag") 589b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_int(testing_int_flag, 13, "testing_int_flag") 590b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_float(testing_float_flag, 2.5, "float-flag") 591b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_string(testing_string_flag, "Hello, world!", "string-flag") 592b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_int(testing_prng_seed, 42, "Seed used for threading test randomness") 593b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#ifdef WIN32 594b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_string(testing_serialization_file, "C:\\Windows\\Temp\\serdes", 595b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "file in which to testing_serialize heap") 596b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#else 597b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_string(testing_serialization_file, "/tmp/serdes", 598b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "file in which to serialize heap") 599b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#endif 600b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 6015a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org// mksnapshot.cc 6025a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.orgDEFINE_string(extra_code, NULL, "A filename with extra code to be included in" 6035a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org " the snapshot (mksnapshot only)") 6045a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org 6055a8ca6c70c6fc9716f18f6223c98d1fef5752cf6kasperl@chromium.org// 6065a8ca6c70c6fc9716f18f6223c98d1fef5752cf6kasperl@chromium.org// Dev shell flags 6075a8ca6c70c6fc9716f18f6223c98d1fef5752cf6kasperl@chromium.org// 608b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 6093bf7b91c90e9bff46f53eec55055d2d1a1949215ager@chromium.orgDEFINE_bool(help, false, "Print usage message, including flags, on console") 6105a8ca6c70c6fc9716f18f6223c98d1fef5752cf6kasperl@chromium.orgDEFINE_bool(dump_counters, false, "Dump counters on exit") 611c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 612c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com#ifdef ENABLE_DEBUGGER_SUPPORT 6132356e6fbe66ac3aa027b61cb43a3c3619b3c3a5evegorov@chromium.orgDEFINE_bool(debugger, false, "Enable JavaScript debugger") 6147be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.orgDEFINE_bool(remote_debugger, false, "Connect JavaScript debugger to the " 6157be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org "debugger agent in another process") 6167be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.orgDEFINE_bool(debugger_agent, false, "Enable debugger agent") 6177be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.orgDEFINE_int(debugger_port, 5858, "Port to use for remote debugging") 618c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com#endif // ENABLE_DEBUGGER_SUPPORT 619c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 6209ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.orgDEFINE_string(map_counters, "", "Map counters to a file") 6211456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.orgDEFINE_args(js_arguments, JSARGUMENTS_INIT, 6223bf7b91c90e9bff46f53eec55055d2d1a1949215ager@chromium.org "Pass all remaining arguments to the script. Alias for \"--\".") 623b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 624d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org#if defined(WEBOS__) 625d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.orgDEFINE_bool(debug_compile_events, false, "Enable debugger compile events") 626d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.orgDEFINE_bool(debug_script_collected_events, false, 627d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org "Enable debugger script collected events") 628d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org#else 629d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.orgDEFINE_bool(debug_compile_events, true, "Enable debugger compile events") 630d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.orgDEFINE_bool(debug_script_collected_events, true, 631d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org "Enable debugger script collected events") 632d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org#endif 633d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org 6340511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com 6350511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com// 6360511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com// GDB JIT integration flags. 6370511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com// 6380511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com 6390511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.comDEFINE_bool(gdbjit, false, "enable GDBJIT interface (disables compacting GC)") 6400511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.comDEFINE_bool(gdbjit_full, false, "enable GDBJIT interface for all code objects") 64149edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.orgDEFINE_bool(gdbjit_dump, false, "dump elf objects with debug info to disk") 6424f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.orgDEFINE_string(gdbjit_dump_filter, "", 6434f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org "dump only objects containing this substring") 6440511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com 645b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.org// mark-compact.cc 646b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.orgDEFINE_bool(force_marking_deque_overflows, false, 647b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.org "force overflows of marking deque by reducing it's size " 648b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.org "to 64 words") 649b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.org 650b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.orgDEFINE_bool(stress_compaction, false, 651b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.org "stress the GC compactor to flush out bugs (implies " 652b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.org "--force_marking_deque_overflows)") 653b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.org 654b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// 655b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// Debug only flags 656b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// 657b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#undef FLAG 658b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#ifdef DEBUG 659b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define FLAG FLAG_FULL 660b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#else 661b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define FLAG FLAG_READONLY 662b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#endif 663b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 664b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// checks.cc 665b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(enable_slow_asserts, false, 666b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "enable asserts that are slow to execute") 667b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 668b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// codegen-ia32.cc / codegen-arm.cc 669b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(print_source, false, "pretty print source code") 670b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(print_builtin_source, false, 671b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "pretty print source code for builtins") 672b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(print_ast, false, "print source AST") 673b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(print_builtin_ast, false, "print source AST for builtins") 674b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_string(stop_at, "", "function name where to insert a breakpoint") 675b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 676b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// compiler.cc 677b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(print_builtin_scopes, false, "print scopes for builtins") 678b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(print_scopes, false, "print scopes") 679b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 680b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// contexts.cc 681b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(trace_contexts, false, "trace contexts operations") 682b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 683b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// heap.cc 684b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(gc_greedy, false, "perform GC prior to some allocations") 685b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(gc_verbose, false, "print stuff during garbage collection") 686b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(heap_stats, false, "report heap statistics before and after GC") 687b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(code_stats, false, "report code statistics after GC") 68846839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.orgDEFINE_bool(verify_native_context_separation, false, 68946839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org "verify that code holds on to at most one native context after GC") 690b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(print_handles, false, "report handles after GC") 691b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(print_global_handles, false, "report global handles after GC") 692b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 693b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// ic.cc 694b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(trace_ic, false, "trace inline cache state transitions") 695b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 696bbceb57d27ec53f6d6212e690ead3174192ea3f9erik.corry@gmail.com// interface.cc 697bbceb57d27ec53f6d6212e690ead3174192ea3f9erik.corry@gmail.comDEFINE_bool(print_interfaces, false, "print interfaces") 698bbceb57d27ec53f6d6212e690ead3174192ea3f9erik.corry@gmail.comDEFINE_bool(print_interface_details, false, "print interface inference details") 699bbceb57d27ec53f6d6212e690ead3174192ea3f9erik.corry@gmail.comDEFINE_int(print_interface_depth, 5, "depth for printing interfaces") 700bbceb57d27ec53f6d6212e690ead3174192ea3f9erik.corry@gmail.com 701b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// objects.cc 702b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(trace_normalization, 703b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org false, 704b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "prints when objects are turned into dictionaries.") 705b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 706b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// runtime.cc 707b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(trace_lazy, false, "trace lazy compilation") 708b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 709b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// spaces.cc 710b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(collect_heap_spill_statistics, false, 711b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "report heap spill statistics along with heap_stats " 712b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "(requires heap_stats)") 713b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 714ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.orgDEFINE_bool(trace_isolates, false, "trace isolate state changes") 715ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org 716381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org// Regexp 7170c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.orgDEFINE_bool(regexp_possessive_quantifier, 7180c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org false, 7190c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org "enable possessive quantifier syntax for testing") 720381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.orgDEFINE_bool(trace_regexp_bytecodes, false, "trace regexp bytecode execution") 721381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.orgDEFINE_bool(trace_regexp_assembler, 722381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org false, 723381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org "trace regexp macro assembler calls.") 724a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 725b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// 726030d38ee536bc25856546e75fdac60d1a0c42bddwhesse@chromium.org// Logging and profiling flags 727b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// 728b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#undef FLAG 729b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define FLAG FLAG_FULL 730b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 731b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// log.cc 732b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(log, false, 733b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "Minimal logging (no API, code, GC, suspect, or handles samples).") 734b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(log_all, false, "Log all events to the log file.") 735381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.orgDEFINE_bool(log_runtime, false, "Activate runtime system %Log call.") 736b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(log_api, false, "Log API events to the log file.") 737b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(log_code, false, 738b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "Log code events to the log file without profiling.") 739b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(log_gc, false, 740b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "Log heap samples on garbage collection for the hp2ps tool.") 741b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(log_handles, false, "Log global handle events.") 742b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgDEFINE_bool(log_snapshot_positions, false, 743b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org "log positions of (de)serialized objects in the snapshot.") 744b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(log_suspect, false, "Log suspect operations.") 745b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(prof, false, 746b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org "Log statistical profiling information (implies --log-code).") 74771affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.orgDEFINE_bool(prof_lazy, false, 74871affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.org "Used with --prof, only does sampling and logging" 749d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org " when profiler is active.") 750357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.orgDEFINE_bool(prof_browser_mode, true, 751357bf65ed5309ac3a2c4bf20b6ce7770488787c2ager@chromium.org "Used with --prof, turns on browser-compatible mode for profiling.") 752b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(log_regexp, false, "Log regular expression execution.") 753b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_string(logfile, "v8.log", "Specify the name of the log file.") 7544a5224e84636d192e82f288bfab0d308bdae5c37whesse@chromium.orgDEFINE_bool(ll_prof, false, "Enable low-level linux profiler.") 755de88679a78f9dae12fdf7955610969ac4c79b0bemstarzinger@chromium.orgDEFINE_string(gc_fake_mmap, "/tmp/__v8_gc__", 756de88679a78f9dae12fdf7955610969ac4c79b0bemstarzinger@chromium.org "Specify the name of the file for fake gc mmap used in ll_prof") 75732280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.orgDEFINE_bool(log_internal_timer_events, false, "Time internal events.") 75832280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.orgDEFINE_bool(log_timer_events, false, 75932280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.org "Time events including external callbacks.") 76032280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.orgDEFINE_implication(log_timer_events, log_internal_timer_events) 761ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.orgDEFINE_implication(log_internal_timer_events, prof) 7625a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org 763f5aa83707f1db5aecb22f6c3bfd5042f629d5fcfkasperl@chromium.org// 764b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// Disassembler only flags 765b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// 766b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#undef FLAG 767b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#ifdef ENABLE_DISASSEMBLER 768b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define FLAG FLAG_FULL 769b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#else 770b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#define FLAG FLAG_READONLY 771b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#endif 772b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 773394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com// elements.cc 774394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.comDEFINE_bool(trace_elements_transitions, false, "trace elements transitions") 775394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com 7767be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org// code-stubs.cc 7777be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.orgDEFINE_bool(print_code_stubs, false, "print code stubs") 778812308e1488cd8261e4dbbda1d8022642d522b9bulan@chromium.orgDEFINE_bool(test_secondary_stub_cache, 779812308e1488cd8261e4dbbda1d8022642d522b9bulan@chromium.org false, 780812308e1488cd8261e4dbbda1d8022642d522b9bulan@chromium.org "test secondary stub cache by disabling the primary one") 781812308e1488cd8261e4dbbda1d8022642d522b9bulan@chromium.org 782812308e1488cd8261e4dbbda1d8022642d522b9bulan@chromium.orgDEFINE_bool(test_primary_stub_cache, 783812308e1488cd8261e4dbbda1d8022642d522b9bulan@chromium.org false, 784812308e1488cd8261e4dbbda1d8022642d522b9bulan@chromium.org "test primary stub cache by disabling the secondary one") 7857be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 786b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// codegen-ia32.cc / codegen-arm.cc 787b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.orgDEFINE_bool(print_code, false, "print generated code") 788a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(print_opt_code, false, "print optimized code") 789023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.orgDEFINE_bool(print_unopt_code, false, "print unoptimized code before " 790023421e6892b2ba6dcd2bbee117e0bfb24545cf7whesse@chromium.org "printing optimized code based on it") 791a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgDEFINE_bool(print_code_verbose, false, "print more information for code") 7928bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.orgDEFINE_bool(print_builtin_code, false, "print generated code for builtins") 793b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 7947ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org#ifdef ENABLE_DISASSEMBLER 7957ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.orgDEFINE_bool(print_all_code, false, "enable all flags related to printing code") 7967ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.orgDEFINE_implication(print_all_code, print_code) 7977ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.orgDEFINE_implication(print_all_code, print_opt_code) 7987ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.orgDEFINE_implication(print_all_code, print_unopt_code) 7997ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.orgDEFINE_implication(print_all_code, print_code_verbose) 8007ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.orgDEFINE_implication(print_all_code, print_builtin_code) 8017ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.orgDEFINE_implication(print_all_code, print_code_stubs) 8027ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.orgDEFINE_implication(print_all_code, code_comments) 803bf0c820d028452571c8c744ddd212c32c6d6a996danno@chromium.org#ifdef DEBUG 804bf0c820d028452571c8c744ddd212c32c6d6a996danno@chromium.orgDEFINE_implication(print_all_code, trace_codegen) 805bf0c820d028452571c8c744ddd212c32c6d6a996danno@chromium.org#endif 8067ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org#endif 8077ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org 808b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org// Cleanup... 809b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#undef FLAG_FULL 810b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#undef FLAG_READONLY 811b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#undef FLAG 812b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 813b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#undef DEFINE_bool 814b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#undef DEFINE_int 815b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#undef DEFINE_string 8167ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org#undef DEFINE_implication 817b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org 818b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#undef FLAG_MODE_DECLARE 819b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#undef FLAG_MODE_DEFINE 820b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#undef FLAG_MODE_DEFINE_DEFAULTS 821b912362e2b2e704d09faac4290e027fd744bf587kasperl@chromium.org#undef FLAG_MODE_META 8227ad65226b3ba6f9250a5ee869ee77e2b9258fc91ricow@chromium.org#undef FLAG_MODE_DEFINE_IMPLICATIONS 823