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BUILD.gn
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BUILD.gn
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# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("//build/config/android/config.gni")
import("//build/config/arm.gni")
import("//build/config/clang/clang.gni")
import("//build/config/dcheck_always_on.gni")
import("//build/config/host_byteorder.gni")
import("//build/config/jumbo.gni")
import("//build/config/mips.gni")
import("//build/config/sanitizers/sanitizers.gni")
import("//build_overrides/build.gni")
if (is_android) {
import("//build/config/android/rules.gni")
}
import("gni/v8.gni")
import("snapshot_toolchain.gni")
declare_args() {
# Print to stdout on Android.
v8_android_log_stdout = false
# Sets -DV8_ENABLE_FUTURE.
v8_enable_future = false
# Sets -DVERIFY_HEAP.
v8_enable_verify_heap = ""
# Sets -DVERIFY_PREDICTABLE
v8_enable_verify_predictable = false
# Enable compiler warnings when using V8_DEPRECATED apis.
v8_deprecation_warnings = false
# Enable compiler warnings when using V8_DEPRECATE_SOON apis.
v8_imminent_deprecation_warnings = false
# Embeds the given script into the snapshot.
v8_embed_script = ""
# Allows the embedder to add a custom suffix to the version string.
v8_embedder_string = ""
# Sets -dENABLE_DISASSEMBLER.
v8_enable_disassembler = ""
# Sets the number of internal fields on promise objects.
v8_promise_internal_field_count = 0
# Sets -dENABLE_GDB_JIT_INTERFACE.
v8_enable_gdbjit = ""
# Sets -dENABLE_VTUNE_JIT_INTERFACE.
v8_enable_vtunejit = false
# Sets -dENABLE_HANDLE_ZAPPING.
v8_enable_handle_zapping = true
# Enable slow dchecks.
v8_enable_slow_dchecks = false
# Enable fast mksnapshot runs.
v8_enable_fast_mksnapshot = false
# Enable embedded builtins.
# TODO(jgruber,v8:6666): Support ia32 and maybe MSVC.
# TODO(jgruber,v8:6666): Re-enable after the M67 branch point.
v8_enable_embedded_builtins = false
# Enable code-generation-time checking of types in the CodeStubAssembler.
v8_enable_verify_csa = false
# Interpreted regexp engine exists as platform-independent alternative
# based where the regular expression is compiled to a bytecode.
v8_interpreted_regexp = false
# Sets -dOBJECT_PRINT.
v8_enable_object_print = ""
# Sets -dV8_TRACE_MAPS.
v8_enable_trace_maps = ""
# Sets -dV8_ENABLE_CHECKS.
v8_enable_v8_checks = ""
# Sets -dV8_TRACE_IGNITION.
v8_enable_trace_ignition = false
# Sets -dV8_TRACE_FEEDBACK_UPDATES.
v8_enable_trace_feedback_updates = false
# Sets -dV8_CONCURRENT_MARKING
v8_enable_concurrent_marking = true
# Enables various testing features.
v8_enable_test_features = ""
# Build the snapshot with unwinding information for perf.
# Sets -dV8_USE_SNAPSHOT_WITH_UNWINDING_INFO.
v8_perf_prof_unwinding_info = false
# 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 = false
# Switches off inlining in V8.
v8_no_inline = false
# Override OS page size when generating snapshot
v8_os_page_size = "0"
# Similar to vfp but on MIPS.
v8_can_use_fpu_instructions = true
# Similar to the ARM hard float ABI but on MIPS.
v8_use_mips_abi_hardfloat = true
# Controls the threshold for on-heap/off-heap Typed Arrays.
v8_typed_array_max_size_in_heap = 64
# List of extra files to snapshot. They will be snapshotted in order so
# if files export symbols used by later files, they should go first.
#
# This default is used by cctests. Projects using V8 will want to override.
v8_extra_library_files = [ "//test/cctest/test-extra.js" ]
# Like v8_extra_library_files but for experimental features.
#
# This default is used by cctests. Projects using V8 will want to override.
v8_experimental_extra_library_files =
[ "//test/cctest/test-experimental-extra.js" ]
v8_enable_gdbjit =
((v8_current_cpu == "x86" || v8_current_cpu == "x64") &&
(is_linux || is_mac)) || (v8_current_cpu == "ppc64" && is_linux)
# Temporary flag to allow embedders to update their microtasks scopes
# while rolling in a new version of V8.
v8_check_microtasks_scopes_consistency = ""
# Enable mitigations for executing untrusted code.
v8_untrusted_code_mitigations = true
}
# Derived defaults.
if (v8_enable_verify_heap == "") {
v8_enable_verify_heap = is_debug
}
if (v8_enable_object_print == "") {
v8_enable_object_print = is_debug
}
if (v8_enable_disassembler == "") {
v8_enable_disassembler = is_debug
}
if (v8_enable_trace_maps == "") {
v8_enable_trace_maps = is_debug
}
if (v8_enable_test_features == "") {
v8_enable_test_features = is_debug || dcheck_always_on
}
if (v8_enable_v8_checks == "") {
v8_enable_v8_checks = is_debug
}
if (v8_check_microtasks_scopes_consistency == "") {
v8_check_microtasks_scopes_consistency = is_debug || dcheck_always_on
}
# Specifies if the target build is a simulator build. Comparing target cpu
# with v8 target cpu to not affect simulator builds for making cross-compile
# snapshots.
is_target_simulator = target_cpu != v8_target_cpu
v8_random_seed = "314159265"
v8_toolset_for_shell = "host"
###############################################################################
# Configurations
#
config("internal_config") {
visibility = [ ":*" ] # Only targets in this file can depend on this.
include_dirs = [ "." ]
if (is_component_build) {
defines = [ "BUILDING_V8_SHARED" ]
}
}
config("internal_config_base") {
visibility = [ ":*" ] # Only targets in this file can depend on this.
include_dirs = [ "." ]
}
# This config should be applied to code using the libplatform.
config("libplatform_config") {
include_dirs = [ "include" ]
if (is_component_build) {
defines = [ "USING_V8_PLATFORM_SHARED" ]
}
}
# This config should be applied to code using the libbase.
config("libbase_config") {
if (is_component_build) {
defines = [ "USING_V8_BASE_SHARED" ]
}
libs = []
if (is_android && current_toolchain != host_toolchain) {
libs += [ "log" ]
}
}
# This config should be applied to code using the libsampler.
config("libsampler_config") {
include_dirs = [ "include" ]
}
# This config should only be applied to code using V8 and not any V8 code
# itself.
config("external_config") {
defines = []
if (is_component_build) {
defines += [ "USING_V8_SHARED" ]
}
if (v8_enable_v8_checks) {
defines += [ "V8_ENABLE_CHECKS" ] # Used in "include/v8.h".
}
include_dirs = [
"include",
"$target_gen_dir/include",
]
}
# This config should only be applied to code that needs to be explicitly
# aware of whether we are using startup data or not.
config("external_startup_data") {
if (v8_use_external_startup_data) {
defines = [ "V8_USE_EXTERNAL_STARTUP_DATA" ]
}
}
config("features") {
visibility = [ ":*" ] # Only targets in this file can depend on this.
defines = []
if (v8_embedder_string != "") {
defines += [ "V8_EMBEDDER_STRING=\"$v8_embedder_string\"" ]
}
if (v8_enable_disassembler) {
defines += [ "ENABLE_DISASSEMBLER" ]
}
if (v8_promise_internal_field_count != 0) {
defines +=
[ "V8_PROMISE_INTERNAL_FIELD_COUNT=${v8_promise_internal_field_count}" ]
}
defines +=
[ "V8_TYPED_ARRAY_MAX_SIZE_IN_HEAP=${v8_typed_array_max_size_in_heap}" ]
if (v8_enable_future) {
defines += [ "V8_ENABLE_FUTURE" ]
}
if (v8_enable_gdbjit) {
defines += [ "ENABLE_GDB_JIT_INTERFACE" ]
}
if (v8_enable_vtunejit) {
defines += [ "ENABLE_VTUNE_JIT_INTERFACE" ]
}
if (v8_enable_object_print) {
defines += [ "OBJECT_PRINT" ]
}
if (v8_enable_verify_heap) {
defines += [ "VERIFY_HEAP" ]
}
if (v8_enable_verify_predictable) {
defines += [ "VERIFY_PREDICTABLE" ]
}
if (v8_enable_trace_maps) {
defines += [ "V8_TRACE_MAPS" ]
}
if (v8_enable_trace_ignition) {
defines += [ "V8_TRACE_IGNITION" ]
}
if (v8_enable_trace_feedback_updates) {
defines += [ "V8_TRACE_FEEDBACK_UPDATES" ]
}
if (v8_enable_test_features) {
defines += [ "V8_ENABLE_ALLOCATION_TIMEOUT" ]
defines += [ "V8_ENABLE_FORCE_SLOW_PATH" ]
}
if (v8_enable_v8_checks) {
defines += [ "V8_ENABLE_CHECKS" ]
}
if (v8_interpreted_regexp) {
defines += [ "V8_INTERPRETED_REGEXP" ]
}
if (v8_deprecation_warnings) {
defines += [ "V8_DEPRECATION_WARNINGS" ]
}
if (v8_imminent_deprecation_warnings) {
defines += [ "V8_IMMINENT_DEPRECATION_WARNINGS" ]
}
if (v8_enable_i18n_support) {
defines += [ "V8_INTL_SUPPORT" ]
}
if (v8_enable_handle_zapping) {
defines += [ "ENABLE_HANDLE_ZAPPING" ]
}
if (v8_use_snapshot) {
defines += [ "V8_USE_SNAPSHOT" ]
if (v8_perf_prof_unwinding_info) {
defines += [ "V8_USE_SNAPSHOT_WITH_UNWINDING_INFO" ]
}
}
if (v8_use_external_startup_data) {
defines += [ "V8_USE_EXTERNAL_STARTUP_DATA" ]
}
if (v8_enable_concurrent_marking) {
defines += [ "V8_CONCURRENT_MARKING" ]
}
if (v8_check_microtasks_scopes_consistency) {
defines += [ "V8_CHECK_MICROTASKS_SCOPES_CONSISTENCY" ]
}
if (v8_enable_embedded_builtins) {
defines += [ "V8_EMBEDDED_BUILTINS" ]
}
if (v8_use_multi_snapshots) {
defines += [ "V8_MULTI_SNAPSHOTS" ]
}
}
config("toolchain") {
visibility = [ ":*" ] # Only targets in this file can depend on this.
defines = []
cflags = []
ldflags = []
if (v8_current_cpu == "arm") {
defines += [ "V8_TARGET_ARCH_ARM" ]
if (arm_version >= 7) {
defines += [ "CAN_USE_ARMV7_INSTRUCTIONS" ]
}
if (arm_fpu == "vfpv3-d16") {
defines += [ "CAN_USE_VFP3_INSTRUCTIONS" ]
} else if (arm_fpu == "vfpv3") {
defines += [
"CAN_USE_VFP3_INSTRUCTIONS",
"CAN_USE_VFP32DREGS",
]
} else if (arm_fpu == "neon") {
defines += [
"CAN_USE_VFP3_INSTRUCTIONS",
"CAN_USE_VFP32DREGS",
"CAN_USE_NEON",
]
}
# TODO(jochen): Add support for arm_test_noprobe.
if (current_cpu != "arm") {
# These defines ares used for the ARM simulator.
if (arm_float_abi == "hard") {
defines += [ "USE_EABI_HARDFLOAT=1" ]
} else if (arm_float_abi == "softfp") {
defines += [ "USE_EABI_HARDFLOAT=0" ]
}
}
}
if (v8_current_cpu == "arm64") {
defines += [ "V8_TARGET_ARCH_ARM64" ]
}
# Mips64el/mipsel simulators.
if (is_target_simulator &&
(v8_current_cpu == "mipsel" || v8_current_cpu == "mips64el")) {
defines += [ "_MIPS_TARGET_SIMULATOR" ]
}
if (v8_current_cpu == "mipsel" || v8_current_cpu == "mips") {
defines += [ "V8_TARGET_ARCH_MIPS" ]
if (v8_can_use_fpu_instructions) {
defines += [ "CAN_USE_FPU_INSTRUCTIONS" ]
}
if (v8_use_mips_abi_hardfloat) {
defines += [
"__mips_hard_float=1",
"CAN_USE_FPU_INSTRUCTIONS",
]
} else {
defines += [ "__mips_soft_float=1" ]
}
if (mips_arch_variant == "r6") {
defines += [
"_MIPS_ARCH_MIPS32R6",
"FPU_MODE_FP64",
]
if (mips_use_msa) {
defines += [ "_MIPS_MSA" ]
}
} else if (mips_arch_variant == "r2") {
defines += [ "_MIPS_ARCH_MIPS32R2" ]
if (mips_fpu_mode == "fp64") {
defines += [ "FPU_MODE_FP64" ]
} else if (mips_fpu_mode == "fpxx") {
defines += [ "FPU_MODE_FPXX" ]
} else if (mips_fpu_mode == "fp32") {
defines += [ "FPU_MODE_FP32" ]
}
} else if (mips_arch_variant == "r1") {
defines += [ "FPU_MODE_FP32" ]
}
# TODO(jochen): Add support for mips_arch_variant rx and loongson.
}
if (v8_current_cpu == "mips64el" || v8_current_cpu == "mips64") {
defines += [ "V8_TARGET_ARCH_MIPS64" ]
if (v8_can_use_fpu_instructions) {
defines += [ "CAN_USE_FPU_INSTRUCTIONS" ]
}
if (host_byteorder == "little") {
defines += [ "V8_TARGET_ARCH_MIPS64_LE" ]
} else if (host_byteorder == "big") {
defines += [ "V8_TARGET_ARCH_MIPS64_BE" ]
}
if (v8_use_mips_abi_hardfloat) {
defines += [
"__mips_hard_float=1",
"CAN_USE_FPU_INSTRUCTIONS",
]
} else {
defines += [ "__mips_soft_float=1" ]
}
if (mips_arch_variant == "r6") {
defines += [ "_MIPS_ARCH_MIPS64R6" ]
if (mips_use_msa) {
defines += [ "_MIPS_MSA" ]
}
} else if (mips_arch_variant == "r2") {
defines += [ "_MIPS_ARCH_MIPS64R2" ]
}
}
if (v8_current_cpu == "s390" || v8_current_cpu == "s390x") {
defines += [ "V8_TARGET_ARCH_S390" ]
if (v8_current_cpu == "s390x") {
defines += [ "V8_TARGET_ARCH_S390X" ]
}
if (host_byteorder == "little") {
defines += [ "V8_TARGET_ARCH_S390_LE_SIM" ]
} else {
cflags += [ "-march=z196" ]
}
}
if (v8_current_cpu == "ppc" || v8_current_cpu == "ppc64") {
defines += [ "V8_TARGET_ARCH_PPC" ]
if (v8_current_cpu == "ppc64") {
defines += [ "V8_TARGET_ARCH_PPC64" ]
}
if (host_byteorder == "little") {
defines += [ "V8_TARGET_ARCH_PPC_LE" ]
} else if (host_byteorder == "big") {
defines += [ "V8_TARGET_ARCH_PPC_BE" ]
if (current_os == "aix") {
cflags += [
# Work around AIX ceil, trunc and round oddities.
"-mcpu=power5+",
"-mfprnd",
# Work around AIX assembler popcntb bug.
"-mno-popcntb",
]
}
}
}
if (v8_current_cpu == "x86") {
defines += [ "V8_TARGET_ARCH_IA32" ]
if (is_win) {
# Ensure no surprising artifacts from 80bit double math with x86.
cflags += [ "/arch:SSE2" ]
}
}
if (v8_current_cpu == "x64") {
defines += [ "V8_TARGET_ARCH_X64" ]
if (is_win) {
# Increase the initial stack size. The default is 1MB, this is 2MB. This
# applies only to executables and shared libraries produced by V8 since
# ldflags are not pushed to dependants.
ldflags += [ "/STACK:2097152" ]
}
}
if (is_android && v8_android_log_stdout) {
defines += [ "V8_ANDROID_LOG_STDOUT" ]
}
# TODO(jochen): Support v8_enable_prof on Windows.
# TODO(jochen): Add support for compiling with simulators.
if (is_debug) {
if (is_linux && v8_enable_backtrace) {
ldflags += [ "-rdynamic" ]
}
defines += [ "DEBUG" ]
if (v8_enable_slow_dchecks) {
defines += [ "ENABLE_SLOW_DCHECKS" ]
}
} else if (dcheck_always_on) {
defines += [ "DEBUG" ]
}
if (v8_enable_verify_csa) {
defines += [ "ENABLE_VERIFY_CSA" ]
}
if (!v8_untrusted_code_mitigations) {
defines += [ "DISABLE_UNTRUSTED_CODE_MITIGATIONS" ]
}
if (v8_no_inline) {
cflags += [
"-fno-inline-functions",
"-fno-inline",
]
}
if (is_clang) {
cflags += [
"-Wmissing-field-initializers",
# TODO(hans): Remove once http://crbug.com/428099 is resolved.
"-Winconsistent-missing-override",
]
if (v8_current_cpu != "mips" && v8_current_cpu != "mipsel") {
# We exclude MIPS because the IsMipsArchVariant macro causes trouble.
cflags += [ "-Wunreachable-code" ]
}
if (v8_current_cpu == "x64" || v8_current_cpu == "arm64" ||
v8_current_cpu == "mips64el") {
cflags += [ "-Wshorten-64-to-32" ]
}
}
if (is_win) {
cflags += [
"/wd4245", # Conversion with signed/unsigned mismatch.
"/wd4267", # Conversion with possible loss of data.
"/wd4324", # Padding structure due to alignment.
"/wd4701", # Potentially uninitialized local variable.
"/wd4702", # Unreachable code.
"/wd4703", # Potentially uninitialized local pointer variable.
"/wd4709", # Comma operator within array index expr (bugged).
"/wd4714", # Function marked forceinline not inlined.
"/wd4718", # Recursive call has no side-effect.
"/wd4800", # Forcing value to bool.
]
}
if (!is_clang && !is_win) {
cflags += [
# Disable gcc warnings for optimizations based on the assumption that
# signed overflow does not occur. Generates false positives (see
# http://crbug.com/v8/6341).
"-Wno-strict-overflow",
]
}
}
# Configs for code coverage with gcov. Separate configs for cflags and ldflags
# to selectively influde cflags in non-test targets only.
config("v8_gcov_coverage_cflags") {
cflags = [
"-fprofile-arcs",
"-ftest-coverage",
]
}
config("v8_gcov_coverage_ldflags") {
ldflags = [ "-fprofile-arcs" ]
}
###############################################################################
# Actions
#
action("js2c") {
visibility = [ ":*" ] # Only targets in this file can depend on this.
script = "tools/js2c.py"
# The script depends on this other script, this rule causes a rebuild if it
# changes.
inputs = [
"tools/jsmin.py",
]
# NOSORT
sources = [
"src/js/macros.py",
"src/messages.h",
"src/js/prologue.js",
"src/js/array.js",
"src/js/typedarray.js",
"src/js/messages.js",
"src/debug/mirrors.js",
"src/debug/debug.js",
"src/debug/liveedit.js",
]
outputs = [
"$target_gen_dir/libraries.cc",
]
if (v8_enable_i18n_support) {
sources += [ "src/js/intl.js" ]
}
args = [
rebase_path("$target_gen_dir/libraries.cc", root_build_dir),
"CORE",
] + rebase_path(sources, root_build_dir)
if (v8_use_external_startup_data) {
outputs += [ "$target_gen_dir/libraries.bin" ]
args += [
"--startup_blob",
rebase_path("$target_gen_dir/libraries.bin", root_build_dir),
]
}
}
action("js2c_extras") {
visibility = [ ":*" ] # Only targets in this file can depend on this.
script = "tools/js2c.py"
# The script depends on this other script, this rule causes a rebuild if it
# changes.
inputs = [
"tools/jsmin.py",
]
sources = v8_extra_library_files
outputs = [
"$target_gen_dir/extras-libraries.cc",
]
args = [
rebase_path("$target_gen_dir/extras-libraries.cc", root_build_dir),
"EXTRAS",
] + rebase_path(sources, root_build_dir)
if (v8_use_external_startup_data) {
outputs += [ "$target_gen_dir/libraries_extras.bin" ]
args += [
"--startup_blob",
rebase_path("$target_gen_dir/libraries_extras.bin", root_build_dir),
]
}
}
action("js2c_experimental_extras") {
visibility = [ ":*" ] # Only targets in this file can depend on this.
script = "tools/js2c.py"
# The script depends on this other script, this rule causes a rebuild if it
# changes.
inputs = [
"tools/jsmin.py",
]
sources = v8_experimental_extra_library_files
outputs = [
"$target_gen_dir/experimental-extras-libraries.cc",
]
args = [
rebase_path("$target_gen_dir/experimental-extras-libraries.cc",
root_build_dir),
"EXPERIMENTAL_EXTRAS",
] + rebase_path(sources, root_build_dir)
if (v8_use_external_startup_data) {
outputs += [ "$target_gen_dir/libraries_experimental_extras.bin" ]
args += [
"--startup_blob",
rebase_path("$target_gen_dir/libraries_experimental_extras.bin",
root_build_dir),
]
}
}
action("d8_js2c") {
visibility = [ ":*" ] # Only targets in this file can depend on this.
script = "tools/js2c.py"
# NOSORT
inputs = [
"src/d8.js",
"src/js/macros.py",
]
outputs = [
"$target_gen_dir/d8-js.cc",
]
args = rebase_path(outputs, root_build_dir) + [ "D8" ] +
rebase_path(inputs, root_build_dir)
}
if (is_android && enable_java_templates) {
android_assets("v8_external_startup_data_assets") {
if (v8_use_external_startup_data) {
# We don't support side-by-side snapshots on Android within Chromium.
assert(!v8_use_multi_snapshots)
deps = [
"//v8",
]
sources = [
"$root_out_dir/natives_blob.bin",
]
renaming_sources = [ "$root_out_dir/snapshot_blob.bin" ]
if (current_cpu == "arm" || current_cpu == "x86" ||
current_cpu == "mipsel") {
renaming_destinations = [ "snapshot_blob_32.bin" ]
} else {
renaming_destinations = [ "snapshot_blob_64.bin" ]
}
disable_compression = true
}
}
}
if (v8_use_external_startup_data) {
action("natives_blob") {
visibility = [ ":*" ] # Only targets in this file can depend on this.
deps = [
":js2c",
":js2c_experimental_extras",
":js2c_extras",
]
# NOSORT
sources = [
"$target_gen_dir/libraries.bin",
"$target_gen_dir/libraries_extras.bin",
"$target_gen_dir/libraries_experimental_extras.bin",
]
outputs = [
"$root_out_dir/natives_blob.bin",
]
data = [
"$root_out_dir/natives_blob.bin",
]
script = "tools/concatenate-files.py"
args = rebase_path(sources + outputs, root_build_dir)
}
}
action("postmortem-metadata") {
# Only targets in this file and the top-level visibility target can
# depend on this.
visibility = [
":*",
"//:gn_visibility",
]
script = "tools/gen-postmortem-metadata.py"
# NOSORT
sources = [
"src/objects.h",
"src/objects-inl.h",
"src/objects/code-inl.h",
"src/objects/code.h",
"src/objects/data-handler.h",
"src/objects/data-handler-inl.h",
"src/objects/fixed-array-inl.h",
"src/objects/fixed-array.h",
"src/objects/js-array-inl.h",
"src/objects/js-array.h",
"src/objects/js-regexp-inl.h",
"src/objects/js-regexp.h",
"src/objects/map.h",
"src/objects/map-inl.h",
"src/objects/script.h",
"src/objects/script-inl.h",
"src/objects/shared-function-info.h",
"src/objects/shared-function-info-inl.h",
"src/objects/string.h",
"src/objects/string-inl.h",
]
outputs = [
"$target_gen_dir/debug-support.cc",
]
args = rebase_path(outputs, root_build_dir) +
rebase_path(sources, root_build_dir)
}
# Template to generate different V8 snapshots based on different runtime flags.
# Can be invoked with run_mksnapshot(<name>). The target will resolve to
# run_mksnapshot_<name>. If <name> is "default", no file suffixes will be used.
# Otherwise files are suffixed, e.g. embedded_<name>.cc and
# snapshot_blob_<name>.bin.
#
# The template exposes the variables:
# args: additional flags for mksnapshots
# embedded_suffix: a camel case suffix for method names in the embedded
# snapshot.
template("run_mksnapshot") {
name = target_name
if (name == "default") {
suffix = ""
} else {
suffix = "_$name"
}
action("run_mksnapshot_" + name) {
visibility = [ ":*" ] # Only targets in this file can depend on this.
deps = [
":mksnapshot($v8_snapshot_toolchain)",
]
script = "tools/run.py"
sources = []
outputs = []
data = []
args = [
"./" + rebase_path(get_label_info(":mksnapshot($v8_snapshot_toolchain)",
"root_out_dir") + "/mksnapshot",
root_build_dir),
"--turbo_instruction_scheduling",
]
args += invoker.args
if (v8_enable_embedded_builtins) {
outputs += [ "$target_gen_dir/embedded${suffix}.cc" ]
args += [
"--embedded_src",
rebase_path("$target_gen_dir/embedded${suffix}.cc", root_build_dir),
]
if (invoker.embedded_variant != "") {
args += [
"--embedded_variant",
invoker.embedded_variant,
]
}
}
if (v8_random_seed != "0") {
args += [
"--random-seed",
v8_random_seed,
]
}
if (v8_os_page_size != "0") {
args += [
"--v8_os_page_size",
v8_os_page_size,
]
}
if (v8_perf_prof_unwinding_info) {
args += [ "--perf-prof-unwinding-info" ]
}
if (v8_use_external_startup_data) {
outputs += [ "$root_out_dir/snapshot_blob${suffix}.bin" ]
data += [ "$root_out_dir/snapshot_blob${suffix}.bin" ]
args += [
"--startup_blob",
rebase_path("$root_out_dir/snapshot_blob${suffix}.bin", root_build_dir),
]
} else {
outputs += [ "$target_gen_dir/snapshot${suffix}.cc" ]
args += [
"--startup_src",
rebase_path("$target_gen_dir/snapshot${suffix}.cc", root_build_dir),
]
}
if (v8_embed_script != "") {
sources += [ v8_embed_script ]
args += [ rebase_path(v8_embed_script, root_build_dir) ]
}
if (v8_enable_fast_mksnapshot) {
args += [
"--no-turbo-rewrite-far-jumps",
"--no-turbo-verify-allocation",
]
}
}
}
if (v8_use_snapshot) {
run_mksnapshot("default") {
args = []
if (v8_enable_embedded_builtins) {
embedded_variant = "Default"
}
}
if (v8_use_multi_snapshots) {
run_mksnapshot("trusted") {
args = [ "--no-untrusted-code-mitigations" ]
if (v8_enable_embedded_builtins) {
embedded_variant = "Trusted"
}
}
}
}
action("v8_dump_build_config") {
script = "tools/testrunner/utils/dump_build_config.py"
outputs = [
"$root_out_dir/v8_build_config.json",
]
is_gcov_coverage = v8_code_coverage && !is_clang
args = [
rebase_path("$root_out_dir/v8_build_config.json", root_build_dir),
"current_cpu=\"$current_cpu\"",
"dcheck_always_on=$dcheck_always_on",
"is_asan=$is_asan",
"is_cfi=$is_cfi",
"is_component_build=$is_component_build",
"is_debug=$is_debug",
"is_gcov_coverage=$is_gcov_coverage",
"is_msan=$is_msan",
"is_tsan=$is_tsan",
"is_ubsan_vptr=$is_ubsan_vptr",
"target_cpu=\"$target_cpu\"",
"v8_current_cpu=\"$v8_current_cpu\"",
"v8_enable_i18n_support=$v8_enable_i18n_support",
"v8_enable_verify_predictable=$v8_enable_verify_predictable",
"v8_target_cpu=\"$v8_target_cpu\"",
"v8_use_snapshot=$v8_use_snapshot",
]
if (v8_current_cpu == "mips" || v8_current_cpu == "mipsel" ||
v8_current_cpu == "mips64" || v8_current_cpu == "mips64el") {
args += [
"mips_arch_variant=\"$mips_arch_variant\"",
"mips_use_msa=$mips_use_msa",
]
}
}
###############################################################################
# Source Sets (aka static libraries)
#
source_set("v8_maybe_snapshot") {
if (v8_use_snapshot && v8_use_external_startup_data) {
public_deps = [
":v8_external_snapshot",
]
} else if (v8_use_snapshot) {
public_deps = [
":v8_snapshot",
]
} else {
# Ignore v8_use_external_startup_data setting if no snapshot is used.
public_deps = [
":v8_init",
":v8_nosnapshot",
]
}
}
v8_source_set("v8_nosnapshot") {
visibility = [ ":*" ] # Only targets in this file can depend on this.
deps = [
":js2c",
":js2c_experimental_extras",