| # Copyright 2013 the V8 project authors. All rights reserved. |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following |
| # disclaimer in the documentation and/or other materials provided |
| # with the distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived |
| # from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| # Compile time controlled V8 features. |
| |
| { |
| 'variables': { |
| 'v8_target_arch%': '<(target_arch)', |
| |
| 'v8_current_cpu%': '<(target_arch)', |
| |
| # Emulate GN variables |
| # https://chromium.googlesource.com/chromium/src/build/+/556c524beb09c332698debe1b47b065d5d029cd0/config/BUILDCONFIG.gn#269 |
| 'conditions': [ |
| ['OS == "win" or OS == "winuwp"', { |
| 'is_win': 1, |
| }, { |
| 'is_win': 0, |
| }], |
| ['OS == "fuchsia"', { |
| 'is_fuchsia': 1, |
| }, { |
| 'is_fuchsia': 0, |
| }], |
| ['OS=="android"', { # GYP reverts OS to linux so use `-D OS=android` |
| 'is_android': 1, |
| }, { |
| 'is_android': 0, |
| }], |
| # flattened (!is_win && !is_fuchsia) because of GYP evaluation order |
| ['not (OS == "win" or OS == "winuwp") and not (OS == "fuchsia")', { |
| 'is_posix': 1, |
| }, { |
| 'is_posix': 0, |
| }], |
| ['component and "library" in component', { |
| 'is_component_build': 1, |
| }, { |
| 'is_component_build': 0, |
| }], |
| ['OS == "win" or OS == "mac"', { |
| # Sets -DSYSTEM_INSTRUMENTATION. Enables OS-dependent event tracing |
| 'v8_enable_system_instrumentation': 1, |
| }, { |
| 'v8_enable_system_instrumentation': 0, |
| }], |
| ], |
| 'is_debug%': 0, |
| |
| # Variables from BUILD.gn |
| |
| # Set to 1 to enable DCHECKs in release builds. |
| 'dcheck_always_on%': 0, |
| |
| # Sets -DV8_ENABLE_FUTURE. |
| 'v8_enable_future%': 0, |
| |
| # Sets -DVERIFY_HEAP. |
| 'v8_enable_verify_heap%': 0, |
| |
| # Sets -DVERIFY_PREDICTABLE |
| 'v8_enable_verify_predictable%': 0, |
| |
| # Enable compiler warnings when using V8_DEPRECATED apis. |
| 'v8_deprecation_warnings%': 0, |
| |
| # Enable compiler warnings when using V8_DEPRECATE_SOON apis. |
| 'v8_imminent_deprecation_warnings%': 0, |
| |
| # Allows the embedder to add a custom suffix to the version string. |
| 'v8_embedder_string%': '', |
| |
| # Sets -dENABLE_DISASSEMBLER. |
| 'v8_enable_disassembler%': 0, |
| |
| # Sets the number of internal fields on promise objects. |
| 'v8_promise_internal_field_count%': 0, |
| |
| # Sets -dENABLE_GDB_JIT_INTERFACE. |
| 'v8_enable_gdbjit%': 0, |
| |
| # Sets -dENABLE_HUGEPAGE |
| 'v8_enable_hugepage%': 0, |
| |
| # Currently set for node by common.gypi, avoiding default because of gyp file bug. |
| # Should be turned on only for debugging. |
| #'v8_enable_handle_zapping%': 0, |
| |
| # Enable fast mksnapshot runs. |
| 'v8_enable_fast_mksnapshot%': 0, |
| |
| # Enable the registration of unwinding info for Windows/x64 and ARM64. |
| 'v8_win64_unwinding_info%': 1, |
| |
| # Enable code comments for builtins in the snapshot (impacts performance). |
| 'v8_enable_snapshot_code_comments%': 0, |
| |
| # Enable native counters from the snapshot (impacts performance, sets |
| # -dV8_SNAPSHOT_NATIVE_CODE_COUNTERS). |
| # This option will generate extra code in the snapshot to increment counters, |
| # as per the --native-code-counters flag. |
| 'v8_enable_snapshot_native_code_counters%': 0, |
| |
| # Enable code-generation-time checking of types in the CodeStubAssembler. |
| 'v8_enable_verify_csa%': 0, |
| |
| # Enable pointer compression (sets -dV8_COMPRESS_POINTERS). |
| 'v8_enable_pointer_compression%': 0, |
| 'v8_enable_31bit_smis_on_64bit_arch%': 0, |
| |
| # Sets -dV8_SHORT_BUILTIN_CALLS |
| 'v8_enable_short_builtin_calls%': 0, |
| |
| # Sets -dOBJECT_PRINT. |
| 'v8_enable_object_print%': 0, |
| |
| # Sets -dV8_TRACE_MAPS. |
| 'v8_enable_trace_maps%': 0, |
| |
| # Sets -dV8_ENABLE_CHECKS. |
| 'v8_enable_v8_checks%': 0, |
| |
| # Sets -dV8_TRACE_IGNITION. |
| 'v8_enable_trace_ignition%': 0, |
| |
| # Sets -dV8_TRACE_FEEDBACK_UPDATES. |
| 'v8_enable_trace_feedback_updates%': 0, |
| |
| # Sets -dV8_ATOMIC_OBJECT_FIELD_WRITES and turns all field write operations |
| # into relaxed atomic operations. |
| 'v8_enable_atomic_object_field_writes%': 1, |
| |
| # Has no effect in Node.js. Here for completeness with V8's config. |
| 'v8_enable_concurrent_marking%': 1, |
| |
| # Enables various testing features. |
| 'v8_enable_test_features%': 0, |
| |
| # Enable the Maglev compiler. |
| # Sets -dV8_ENABLE_MAGLEV |
| 'v8_enable_maglev%': 0, |
| |
| # With post mortem support enabled, metadata is embedded into libv8 that |
| # describes various parameters of the VM for use by debuggers. See |
| # tools/gen-postmortem-metadata.py for details. |
| 'v8_postmortem_support%': 0, |
| |
| # Use Siphash as added protection against hash flooding attacks. |
| 'v8_use_siphash%': 0, |
| |
| # Use Perfetto (https://perfetto.dev) as the default TracingController. Not |
| # currently implemented. |
| 'v8_use_perfetto%': 0, |
| |
| # Controls the threshold for on-heap/off-heap Typed Arrays. |
| 'v8_typed_array_max_size_in_heap%': 64, |
| |
| # Enable sharing read-only space across isolates. |
| # Sets -DV8_SHARED_RO_HEAP. |
| 'v8_enable_shared_ro_heap%': 0, |
| |
| # Enable lazy source positions by default. |
| 'v8_enable_lazy_source_positions%': 1, |
| |
| # Enable third party HEAP library |
| 'v8_enable_third_party_heap%': 0, |
| |
| # Libaries used by third party heap |
| 'v8_third_party_heap_libs%': [], |
| |
| # Source code used by third party heap |
| 'v8_third_party_heap_files%': [], |
| |
| # Disable write barriers when GCs are non-incremental and |
| # heap has single generation. |
| 'v8_disable_write_barriers%': 0, |
| |
| # Redirect allocation in young generation so that there will be |
| # only one single generation. |
| 'v8_enable_single_generation%': 0, |
| |
| # Use token threaded dispatch for the regular expression interpreter. |
| # Use switch-based dispatch if this is false. |
| 'v8_enable_regexp_interpreter_threaded_dispatch%': 1, |
| |
| # Disable all snapshot compression. |
| 'v8_enable_snapshot_compression%': 1, |
| |
| # Enable control-flow integrity features, such as pointer authentication |
| # for ARM64. |
| 'v8_control_flow_integrity%': 0, |
| |
| # Enable V8 zone compression experimental feature. |
| # Sets -DV8_COMPRESS_ZONES. |
| 'v8_enable_zone_compression%': 0, |
| |
| # Enable the experimental V8 sandbox. |
| # Sets -DV8_SANDBOX. |
| 'v8_enable_sandbox%': 0, |
| |
| # Enable external pointer sandboxing. Requires v8_enable_sandbox. |
| # Sets -DV8_SANDBOXED_EXTERNAL_POINRTERS. |
| 'v8_enable_sandboxed_external_pointers%': 0, |
| |
| # Enable sandboxed pointers. Requires v8_enable_sandbox. |
| # Sets -DV8_SANDBOXED_POINTERS. |
| 'v8_enable_sandboxed_pointers%': 0, |
| |
| # Experimental feature for collecting per-class zone memory stats. |
| # Requires use_rtti = true |
| 'v8_enable_precise_zone_stats%': 0, |
| |
| # Experimental feature that uses SwissNameDictionary instead of NameDictionary |
| # as the backing store for all dictionary mode objects. |
| 'v8_enable_swiss_name_dictionary%': 0, |
| |
| # Experimental feature for tracking constness of properties in non-global |
| # dictionaries. Enabling this also always keeps prototypes in dict mode, |
| # meaning that they are not switched to fast mode. |
| # Sets -DV8_DICT_PROPERTY_CONST_TRACKING |
| 'v8_dict_property_const_tracking%': 0, |
| |
| # Allow for JS promise hooks (instead of just C++). |
| 'v8_enable_javascript_promise_hooks%': 0, |
| |
| # Enable allocation folding globally (sets -dV8_ALLOCATION_FOLDING). |
| # When it's disabled, the --turbo-allocation-folding runtime flag will be ignored. |
| 'v8_enable_allocation_folding%': 1, |
| |
| # Enable runtime verification of heap snapshots produced for devtools. |
| 'v8_enable_heap_snapshot_verify%': 0, |
| |
| # Enable global allocation site tracking. |
| 'v8_allocation_site_tracking%': 1, |
| |
| 'v8_scriptormodule_legacy_lifetime%': 1, |
| |
| # Change code emission and runtime features to be CET shadow-stack compliant |
| # (incomplete and experimental). |
| 'v8_enable_cet_shadow_stack%': 0, |
| |
| # Variables from v8.gni |
| |
| # Enable ECMAScript Internationalization API. Enabling this feature will |
| # add a dependency on the ICU library. |
| 'v8_enable_i18n_support%': 1, |
| |
| # Lite mode disables a number of performance optimizations to reduce memory |
| # at the cost of performance. |
| # Sets --DV8_LITE_MODE. |
| 'v8_enable_lite_mode%': 0, |
| |
| # Include support for WebAssembly. If disabled, the 'WebAssembly' global |
| # will not be available, and embedder APIs to generate WebAssembly modules |
| # will fail. |
| 'v8_enable_webassembly%': 1, |
| |
| # Enable advanced BigInt algorithms, costing about 10-30 KiB binary size |
| # depending on platform. |
| 'v8_advanced_bigint_algorithms%': 1 |
| }, |
| |
| 'target_defaults': { |
| 'conditions': [ |
| ['v8_embedder_string!=""', { |
| 'defines': ['V8_EMBEDDER_STRING="<(v8_embedder_string)"',], |
| }], |
| ['v8_enable_disassembler==1', { |
| 'defines': ['ENABLE_DISASSEMBLER',], |
| }], |
| ['v8_promise_internal_field_count!=0', { |
| 'defines': ['V8_PROMISE_INTERNAL_FIELD_COUNT=<(v8_promise_internal_field_count)'], |
| }], |
| ['v8_enable_future==1', { |
| 'defines': ['V8_ENABLE_FUTURE',], |
| }], |
| ['v8_enable_lite_mode==1', { |
| 'defines': ['V8_LITE_MODE',], |
| }], |
| ['v8_enable_gdbjit==1', { |
| 'defines': ['ENABLE_GDB_JIT_INTERFACE',], |
| }], |
| ['v8_enable_hugepage==1', { |
| 'defines': ['ENABLE_HUGEPAGE',], |
| }], |
| ['v8_enable_pointer_compression==1', { |
| 'defines': [ |
| 'V8_COMPRESS_POINTERS', |
| 'V8_COMPRESS_POINTERS_IN_ISOLATE_CAGE', |
| ], |
| }], |
| ['v8_enable_pointer_compression==1 or v8_enable_31bit_smis_on_64bit_arch==1', { |
| 'defines': ['V8_31BIT_SMIS_ON_64BIT_ARCH',], |
| }], |
| ['v8_enable_short_builtin_calls==1', { |
| 'defines': ['V8_SHORT_BUILTIN_CALLS',], |
| }], |
| ['v8_enable_zone_compression==1', { |
| 'defines': ['V8_COMPRESS_ZONES',], |
| }], |
| ['v8_enable_sandbox==1', { |
| 'defines': ['V8_SANDBOX',], |
| }], |
| ['v8_enable_sandboxed_pointers==1', { |
| 'defines': ['V8_SANDBOXED_POINTERS',], |
| }], |
| ['v8_enable_sandboxed_external_pointers==1', { |
| 'defines': ['V8_SANDBOXED_EXTERNAL_POINTERS',], |
| }], |
| ['v8_enable_object_print==1', { |
| 'defines': ['OBJECT_PRINT',], |
| }], |
| ['v8_enable_verify_heap==1', { |
| 'defines': ['VERIFY_HEAP',], |
| }], |
| ['v8_enable_verify_predictable==1', { |
| 'defines': ['VERIFY_PREDICTABLE',], |
| }], |
| ['v8_enable_trace_maps==1', { |
| 'defines': ['V8_TRACE_MAPS',], |
| }], |
| ['v8_enable_trace_ignition==1', { |
| 'defines': ['V8_TRACE_IGNITION',], |
| }], |
| ['v8_enable_trace_feedback_updates==1', { |
| 'defines': ['V8_TRACE_FEEDBACK_UPDATES',], |
| }], |
| ['v8_enable_test_features==1', { |
| 'defines': [ |
| 'V8_ENABLE_ALLOCATION_TIMEOUT', |
| 'V8_ENABLE_FORCE_SLOW_PATH', |
| 'V8_ENABLE_DOUBLE_CONST_STORE_CHECK', |
| ], |
| }], |
| ['v8_enable_v8_checks==1', { |
| 'defines': ['V8_ENABLE_CHECKS',], |
| }], |
| ['v8_deprecation_warnings==1', { |
| 'defines': ['V8_DEPRECATION_WARNINGS',], |
| },{ |
| 'defines!': ['V8_DEPRECATION_WARNINGS',], |
| }], |
| ['v8_imminent_deprecation_warnings==1', { |
| 'defines': ['V8_IMMINENT_DEPRECATION_WARNINGS',], |
| },{ |
| 'defines!': ['V8_IMMINENT_DEPRECATION_WARNINGS',], |
| }], |
| ['v8_enable_i18n_support==1', { |
| 'defines': ['V8_INTL_SUPPORT',], |
| }], |
| # Refs: https://github.com/nodejs/node/pull/23801 |
| # ['v8_enable_handle_zapping==1', { |
| # 'defines': ['ENABLE_HANDLE_ZAPPING',], |
| # }], |
| ['v8_enable_heap_snapshot_verify==1', { |
| 'defines': ['V8_ENABLE_HEAP_SNAPSHOT_VERIFY',], |
| }], |
| ['v8_enable_snapshot_native_code_counters==1', { |
| 'defines': ['V8_SNAPSHOT_NATIVE_CODE_COUNTERS',], |
| }], |
| ['v8_enable_single_generation==1', { |
| 'defines': ['V8_ENABLE_SINGLE_GENERATION',], |
| }], |
| ['v8_disable_write_barriers==1', { |
| 'defines': ['V8_DISABLE_WRITE_BARRIERS',], |
| }], |
| ['v8_enable_third_party_heap==1', { |
| 'defines': ['V8_ENABLE_THIRD_PARTY_HEAP',], |
| }], |
| ['v8_enable_atomic_object_field_writes==1', { |
| 'defines': ['V8_ATOMIC_OBJECT_FIELD_WRITES',], |
| }], |
| ['v8_enable_lazy_source_positions==1', { |
| 'defines': ['V8_ENABLE_LAZY_SOURCE_POSITIONS',], |
| }], |
| ['v8_use_siphash==1', { |
| 'defines': ['V8_USE_SIPHASH',], |
| }], |
| ['v8_enable_shared_ro_heap==1', { |
| 'defines': ['V8_SHARED_RO_HEAP',], |
| }], |
| ['dcheck_always_on!=0', { |
| 'defines': ['DEBUG',], |
| }], |
| ['v8_enable_verify_csa==1', { |
| 'defines': ['ENABLE_VERIFY_CSA',], |
| }], |
| ['v8_use_perfetto==1', { |
| 'defines': ['V8_USE_PERFETTO',], |
| }], |
| ['v8_win64_unwinding_info==1', { |
| 'defines': ['V8_WIN64_UNWINDING_INFO',], |
| }], |
| ['v8_enable_regexp_interpreter_threaded_dispatch==1', { |
| 'defines': ['V8_ENABLE_REGEXP_INTERPRETER_THREADED_DISPATCH',], |
| }], |
| ['v8_enable_snapshot_compression==1', { |
| 'defines': ['V8_SNAPSHOT_COMPRESSION',], |
| }], |
| ['v8_control_flow_integrity==1', { |
| 'defines': ['V8_ENABLE_CONTROL_FLOW_INTEGRITY',], |
| }], |
| ['v8_enable_cet_shadow_stack==1', { |
| 'defines': ['V8_ENABLE_CET_SHADOW_STACK',], |
| }], |
| ['v8_enable_precise_zone_stats==1', { |
| 'defines': ['V8_ENABLE_PRECISE_ZONE_STATS',], |
| }], |
| ['v8_enable_maglev==1', { |
| 'defines': ['V8_ENABLE_MAGLEV',], |
| }], |
| ['v8_enable_swiss_name_dictionary==1', { |
| 'defines': ['V8_ENABLE_SWISS_NAME_DICTIONARY',], |
| }], |
| ['v8_enable_system_instrumentation==1', { |
| 'defines': ['V8_ENABLE_SYSTEM_INSTRUMENTATION',], |
| }], |
| ['v8_enable_webassembly==1', { |
| 'defines': ['V8_ENABLE_WEBASSEMBLY',], |
| }], |
| ['v8_dict_property_const_tracking==1', { |
| 'defines': ['V8_DICT_PROPERTY_CONST_TRACKING',], |
| }], |
| ['v8_enable_javascript_promise_hooks==1', { |
| 'defines': ['V8_ENABLE_JAVASCRIPT_PROMISE_HOOKS',], |
| }], |
| ['v8_enable_allocation_folding==1', { |
| 'defines': ['V8_ALLOCATION_FOLDING',], |
| }], |
| ['v8_allocation_site_tracking==1', { |
| 'defines': ['V8_ALLOCATION_SITE_TRACKING',], |
| }], |
| ['v8_scriptormodule_legacy_lifetime==1', { |
| 'defines': ['V8_SCRIPTORMODULE_LEGACY_LIFETIME',], |
| }], |
| ['v8_advanced_bigint_algorithms==1', { |
| 'defines': ['V8_ADVANCED_BIGINT_ALGORITHMS',], |
| }], |
| ], # conditions |
| 'defines': [ |
| 'V8_GYP_BUILD', |
| 'V8_TYPED_ARRAY_MAX_SIZE_IN_HEAP=<(v8_typed_array_max_size_in_heap)', |
| ], # defines |
| }, # target_defaults |
| } |
