655b112466
This way we stay in sync with what Chromium does and we reduce the
number of bugs caused by 80-to-{32,64}-bit rounding errors. It's also
a requirement for switching to signaling NaN for FixedDoubleArray holes.
R=jkummerow@chromium.org
Review URL: https://codereview.chromium.org/864483002
Cr-Commit-Position: refs/heads/master@{#26154}
1172 lines
40 KiB
Python
1172 lines
40 KiB
Python
# Copyright 2013 the V8 project authors. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Shared definitions for all V8-related targets.
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{
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'variables': {
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'msvs_use_common_release': 0,
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'clang%': 0,
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'v8_target_arch%': '<(target_arch)',
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'v8_host_byteorder%': '<!(python -c "import sys; print sys.byteorder")',
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# Native Client builds currently use the V8 ARM JIT and
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# arm/simulator-arm.cc to defer the significant effort required
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# for NaCl JIT support. The nacl_target_arch variable provides
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# the 'true' target arch for places in this file that need it.
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# TODO(bradchen): get rid of nacl_target_arch when someday
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# NaCl V8 builds stop using the ARM simulator
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'nacl_target_arch%': 'none', # must be set externally
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# Setting 'v8_can_use_vfp32dregs' to 'true' will cause V8 to use the VFP
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# registers d16-d31 in the generated code, both in the snapshot and for the
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# ARM target. Leaving the default value of 'false' will avoid the use of
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# these registers in the snapshot and use CPU feature probing when running
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# on the target.
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'v8_can_use_vfp32dregs%': 'false',
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'arm_test_noprobe%': 'off',
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# Similar to vfp but on MIPS.
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'v8_can_use_fpu_instructions%': 'true',
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# Similar to the ARM hard float ABI but on MIPS.
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'v8_use_mips_abi_hardfloat%': 'true',
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'v8_enable_backtrace%': 0,
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|
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# Enable profiling support. Only required on Windows.
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|
'v8_enable_prof%': 0,
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# Some versions of GCC 4.5 seem to need -fno-strict-aliasing.
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'v8_no_strict_aliasing%': 0,
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# Chrome needs this definition unconditionally. For standalone V8 builds,
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# it's handled in build/standalone.gypi.
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'want_separate_host_toolset%': 1,
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# Toolset the d8 binary should be compiled for. Possible values are 'host'
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# and 'target'. If you want to run v8 tests, it needs to be set to 'target'.
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# The setting is ignored if want_separate_host_toolset is 0.
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'v8_toolset_for_d8%': 'target',
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'host_os%': '<(OS)',
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'werror%': '-Werror',
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# For a shared library build, results in "libv8-<(soname_version).so".
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'soname_version%': '',
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# Allow to suppress the array bounds warning (default is no suppression).
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'wno_array_bounds%': '',
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# Link-Time Optimizations
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'use_lto%': 0,
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|
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|
'variables': {
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|
# This is set when building the Android WebView inside the Android build
|
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# system, using the 'android' gyp backend.
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'android_webview_build%': 0,
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},
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# Copy it out one scope.
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'android_webview_build%': '<(android_webview_build)',
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},
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'conditions': [
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['host_arch=="ia32" or host_arch=="x64" or \
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host_arch=="ppc" or host_arch=="ppc64" or \
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clang==1', {
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'variables': {
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'host_cxx_is_biarch%': 1,
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},
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}, {
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'variables': {
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'host_cxx_is_biarch%': 0,
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},
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}],
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['target_arch=="ia32" or target_arch=="x64" or target_arch=="x87" or \
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target_arch=="ppc" or target_arch=="ppc64" or \
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clang==1', {
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'variables': {
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|
'target_cxx_is_biarch%': 1,
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|
},
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|
}, {
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|
'variables': {
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|
'target_cxx_is_biarch%': 0,
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|
},
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|
}],
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|
],
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|
'target_defaults': {
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|
'conditions': [
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|
['v8_target_arch=="arm"', {
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'defines': [
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'V8_TARGET_ARCH_ARM',
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|
],
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'conditions': [
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|
[ 'arm_version==7 or arm_version=="default"', {
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'defines': [
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|
'CAN_USE_ARMV7_INSTRUCTIONS',
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],
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|
}],
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|
[ 'arm_fpu=="vfpv3-d16" or arm_fpu=="default"', {
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'defines': [
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|
'CAN_USE_VFP3_INSTRUCTIONS',
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|
],
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|
}],
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|
[ 'arm_fpu=="vfpv3"', {
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'defines': [
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'CAN_USE_VFP3_INSTRUCTIONS',
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|
'CAN_USE_VFP32DREGS',
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],
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|
}],
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[ 'arm_fpu=="neon"', {
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'defines': [
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'CAN_USE_VFP3_INSTRUCTIONS',
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'CAN_USE_VFP32DREGS',
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'CAN_USE_NEON',
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],
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}],
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[ 'arm_test_noprobe=="on"', {
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'defines': [
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'ARM_TEST_NO_FEATURE_PROBE',
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],
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|
}],
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|
],
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'target_conditions': [
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['_toolset=="host"', {
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'conditions': [
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['v8_target_arch==host_arch and android_webview_build==0', {
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# Host built with an Arm CXX compiler.
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'conditions': [
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[ 'arm_version==7', {
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'cflags': ['-march=armv7-a',],
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}],
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|
[ 'arm_version==7 or arm_version=="default"', {
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'conditions': [
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[ 'arm_fpu!="default"', {
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'cflags': ['-mfpu=<(arm_fpu)',],
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}],
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],
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}],
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[ 'arm_float_abi!="default"', {
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'cflags': ['-mfloat-abi=<(arm_float_abi)',],
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|
}],
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|
[ 'arm_thumb==1', {
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|
'cflags': ['-mthumb',],
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|
}],
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|
[ 'arm_thumb==0', {
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'cflags': ['-marm',],
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}],
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],
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}, {
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|
# 'v8_target_arch!=host_arch'
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# Host not built with an Arm CXX compiler (simulator build).
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'conditions': [
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|
[ 'arm_float_abi=="hard"', {
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|
'defines': [
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|
'USE_EABI_HARDFLOAT=1',
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|
],
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|
}],
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|
[ 'arm_float_abi=="softfp" or arm_float_abi=="default"', {
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|
'defines': [
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|
'USE_EABI_HARDFLOAT=0',
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],
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|
}],
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],
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|
}],
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|
],
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|
}], # _toolset=="host"
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|
['_toolset=="target"', {
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|
'conditions': [
|
|
['v8_target_arch==target_arch and android_webview_build==0', {
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|
# Target built with an Arm CXX compiler.
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|
'conditions': [
|
|
[ 'arm_version==7', {
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|
'cflags': ['-march=armv7-a',],
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|
}],
|
|
[ 'arm_version==7 or arm_version=="default"', {
|
|
'conditions': [
|
|
[ 'arm_fpu!="default"', {
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|
'cflags': ['-mfpu=<(arm_fpu)',],
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|
}],
|
|
],
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|
}],
|
|
[ 'arm_float_abi!="default"', {
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|
'cflags': ['-mfloat-abi=<(arm_float_abi)',],
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|
}],
|
|
[ 'arm_thumb==1', {
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|
'cflags': ['-mthumb',],
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|
}],
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|
[ 'arm_thumb==0', {
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|
'cflags': ['-marm',],
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|
}],
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|
],
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|
}, {
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|
# 'v8_target_arch!=target_arch'
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|
# Target not built with an Arm CXX compiler (simulator build).
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'conditions': [
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|
[ 'arm_float_abi=="hard"', {
|
|
'defines': [
|
|
'USE_EABI_HARDFLOAT=1',
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|
],
|
|
}],
|
|
[ 'arm_float_abi=="softfp" or arm_float_abi=="default"', {
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|
'defines': [
|
|
'USE_EABI_HARDFLOAT=0',
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|
],
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|
}],
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|
],
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|
}],
|
|
# Disable LTO for v8
|
|
# v8 is optimized for speed, which takes precedence over
|
|
# size optimization in LTO.
|
|
['use_lto==1', {
|
|
'cflags!': [
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|
'-flto',
|
|
'-ffat-lto-objects',
|
|
],
|
|
}],
|
|
],
|
|
}], # _toolset=="target"
|
|
],
|
|
}], # v8_target_arch=="arm"
|
|
['v8_target_arch=="arm64"', {
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|
'defines': [
|
|
'V8_TARGET_ARCH_ARM64',
|
|
],
|
|
}],
|
|
['v8_target_arch=="ppc" or v8_target_arch=="ppc64"', {
|
|
'defines': [
|
|
'V8_TARGET_ARCH_PPC',
|
|
],
|
|
'conditions': [
|
|
['v8_target_arch=="ppc64"', {
|
|
'defines': [
|
|
'V8_TARGET_ARCH_PPC64',
|
|
],
|
|
}],
|
|
['v8_host_byteorder=="little"', {
|
|
'defines': [
|
|
'V8_TARGET_ARCH_PPC_LE',
|
|
],
|
|
}],
|
|
['v8_host_byteorder=="big"', {
|
|
'defines': [
|
|
'V8_TARGET_ARCH_PPC_BE',
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|
],
|
|
}],
|
|
],
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|
}], # ppc
|
|
['v8_target_arch=="ia32"', {
|
|
'defines': [
|
|
'V8_TARGET_ARCH_IA32',
|
|
],
|
|
}], # v8_target_arch=="ia32"
|
|
['v8_target_arch=="x87"', {
|
|
'defines': [
|
|
'V8_TARGET_ARCH_X87',
|
|
],
|
|
'cflags': ['-march=i586'],
|
|
}], # v8_target_arch=="x87"
|
|
['v8_target_arch=="mips"', {
|
|
'defines': [
|
|
'V8_TARGET_ARCH_MIPS',
|
|
],
|
|
'conditions': [
|
|
[ 'v8_can_use_fpu_instructions=="true"', {
|
|
'defines': [
|
|
'CAN_USE_FPU_INSTRUCTIONS',
|
|
],
|
|
}],
|
|
[ 'v8_use_mips_abi_hardfloat=="true"', {
|
|
'defines': [
|
|
'__mips_hard_float=1',
|
|
'CAN_USE_FPU_INSTRUCTIONS',
|
|
],
|
|
}, {
|
|
'defines': [
|
|
'__mips_soft_float=1'
|
|
]
|
|
}],
|
|
],
|
|
'target_conditions': [
|
|
['_toolset=="target"', {
|
|
'conditions': [
|
|
['v8_target_arch==target_arch and android_webview_build==0', {
|
|
# Target built with a Mips CXX compiler.
|
|
'cflags': ['-EB'],
|
|
'ldflags': ['-EB'],
|
|
'conditions': [
|
|
[ 'v8_use_mips_abi_hardfloat=="true"', {
|
|
'cflags': ['-mhard-float'],
|
|
'ldflags': ['-mhard-float'],
|
|
}, {
|
|
'cflags': ['-msoft-float'],
|
|
'ldflags': ['-msoft-float'],
|
|
}],
|
|
['mips_arch_variant=="r6"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R6',
|
|
'FPU_MODE_FP64',
|
|
],
|
|
'cflags!': ['-mfp32', '-mfpxx'],
|
|
'cflags': ['-mips32r6', '-Wa,-mips32r6'],
|
|
'ldflags': [
|
|
'-mips32r6',
|
|
'-Wl,--dynamic-linker=$(LDSO_PATH)',
|
|
'-Wl,--rpath=$(LD_R_PATH)',
|
|
],
|
|
}],
|
|
['mips_arch_variant=="r2"', {
|
|
'conditions': [
|
|
[ 'mips_fpu_mode=="fp64"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FP64',
|
|
],
|
|
'cflags': ['-mfp64'],
|
|
}],
|
|
['mips_fpu_mode=="fpxx"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FPXX',
|
|
],
|
|
'cflags': ['-mfpxx'],
|
|
}],
|
|
['mips_fpu_mode=="fp32"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FP32',
|
|
],
|
|
'cflags': ['-mfp32'],
|
|
}],
|
|
],
|
|
'cflags': ['-mips32r2', '-Wa,-mips32r2'],
|
|
'ldflags': ['-mips32r2'],
|
|
}],
|
|
['mips_arch_variant=="r1"', {
|
|
'defines': [
|
|
'FPU_MODE_FP32',
|
|
],
|
|
'cflags!': ['-mfp64', '-mfpxx'],
|
|
'cflags': ['-mips32', '-Wa,-mips32'],
|
|
'ldflags': ['-mips32'],
|
|
}],
|
|
['mips_arch_variant=="rx"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32RX',
|
|
'FPU_MODE_FPXX',
|
|
],
|
|
'cflags!': ['-mfp64', '-mfp32'],
|
|
'cflags': ['-mips32', '-Wa,-mips32', '-mfpxx'],
|
|
'ldflags': ['-mips32'],
|
|
}],
|
|
],
|
|
}, {
|
|
# 'v8_target_arch!=target_arch'
|
|
# Target not built with an MIPS CXX compiler (simulator build).
|
|
'conditions': [
|
|
['mips_arch_variant=="r6"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R6',
|
|
'FPU_MODE_FP64',
|
|
],
|
|
}],
|
|
['mips_arch_variant=="r2"', {
|
|
'conditions': [
|
|
[ 'mips_fpu_mode=="fp64"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FP64',
|
|
],
|
|
}],
|
|
['mips_fpu_mode=="fpxx"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FPXX',
|
|
],
|
|
}],
|
|
['mips_fpu_mode=="fp32"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FP32',
|
|
],
|
|
}],
|
|
],
|
|
}],
|
|
['mips_arch_variant=="r1"', {
|
|
'defines': [
|
|
'FPU_MODE_FP32',
|
|
],
|
|
}],
|
|
['mips_arch_variant=="rx"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32RX',
|
|
'FPU_MODE_FPXX',
|
|
],
|
|
}],
|
|
],
|
|
}],
|
|
],
|
|
}], #_toolset=="target"
|
|
['_toolset=="host"', {
|
|
'conditions': [
|
|
['mips_arch_variant=="rx"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32RX',
|
|
'FPU_MODE_FPXX',
|
|
],
|
|
}],
|
|
['mips_arch_variant=="r6"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R6',
|
|
'FPU_MODE_FP64',
|
|
],
|
|
}],
|
|
['mips_arch_variant=="r2"', {
|
|
'conditions': [
|
|
['mips_fpu_mode=="fp64"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FP64',
|
|
],
|
|
}],
|
|
['mips_fpu_mode=="fpxx"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FPXX',
|
|
],
|
|
}],
|
|
['mips_fpu_mode=="fp32"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FP32'
|
|
],
|
|
}],
|
|
],
|
|
}],
|
|
['mips_arch_variant=="r1"', {
|
|
'defines': ['FPU_MODE_FP32',],
|
|
}],
|
|
]
|
|
}], #_toolset=="host"
|
|
],
|
|
}], # v8_target_arch=="mips"
|
|
['v8_target_arch=="mipsel"', {
|
|
'defines': [
|
|
'V8_TARGET_ARCH_MIPS',
|
|
],
|
|
'conditions': [
|
|
[ 'v8_can_use_fpu_instructions=="true"', {
|
|
'defines': [
|
|
'CAN_USE_FPU_INSTRUCTIONS',
|
|
],
|
|
}],
|
|
[ 'v8_use_mips_abi_hardfloat=="true"', {
|
|
'defines': [
|
|
'__mips_hard_float=1',
|
|
'CAN_USE_FPU_INSTRUCTIONS',
|
|
],
|
|
}, {
|
|
'defines': [
|
|
'__mips_soft_float=1'
|
|
],
|
|
}],
|
|
],
|
|
'target_conditions': [
|
|
['_toolset=="target"', {
|
|
'conditions': [
|
|
['v8_target_arch==target_arch and android_webview_build==0', {
|
|
# Target built with a Mips CXX compiler.
|
|
'cflags': ['-EL'],
|
|
'ldflags': ['-EL'],
|
|
'conditions': [
|
|
[ 'v8_use_mips_abi_hardfloat=="true"', {
|
|
'cflags': ['-mhard-float'],
|
|
'ldflags': ['-mhard-float'],
|
|
}, {
|
|
'cflags': ['-msoft-float'],
|
|
'ldflags': ['-msoft-float'],
|
|
}],
|
|
['mips_arch_variant=="r6"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R6',
|
|
'FPU_MODE_FP64',
|
|
],
|
|
'cflags!': ['-mfp32', '-mfpxx'],
|
|
'cflags': ['-mips32r6', '-Wa,-mips32r6'],
|
|
'ldflags': [
|
|
'-mips32r6',
|
|
'-Wl,--dynamic-linker=$(LDSO_PATH)',
|
|
'-Wl,--rpath=$(LD_R_PATH)',
|
|
],
|
|
}],
|
|
['mips_arch_variant=="r2"', {
|
|
'conditions': [
|
|
[ 'mips_fpu_mode=="fp64"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FP64',
|
|
],
|
|
'cflags': ['-mfp64'],
|
|
}],
|
|
['mips_fpu_mode=="fpxx"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FPXX',
|
|
],
|
|
'cflags': ['-mfpxx'],
|
|
}],
|
|
['mips_fpu_mode=="fp32"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FP32',
|
|
],
|
|
'cflags': ['-mfp32'],
|
|
}],
|
|
],
|
|
'cflags': ['-mips32r2', '-Wa,-mips32r2'],
|
|
'ldflags': ['-mips32r2'],
|
|
}],
|
|
['mips_arch_variant=="r1"', {
|
|
'cflags!': ['-mfp64', '-mfpxx'],
|
|
'cflags': ['-mips32', '-Wa,-mips32'],
|
|
'ldflags': ['-mips32'],
|
|
}],
|
|
['mips_arch_variant=="rx"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32RX',
|
|
'FPU_MODE_FPXX',
|
|
],
|
|
'cflags!': ['-mfp64', '-mfp32'],
|
|
'cflags': ['-mips32', '-Wa,-mips32', '-mfpxx'],
|
|
'ldflags': ['-mips32'],
|
|
}],
|
|
['mips_arch_variant=="loongson"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_LOONGSON',
|
|
'FPU_MODE_FP32',
|
|
],
|
|
'cflags!': ['-mfp64', '-mfp32', '-mfpxx'],
|
|
'cflags': ['-mips3', '-Wa,-mips3'],
|
|
}],
|
|
],
|
|
}, {
|
|
# 'v8_target_arch!=target_arch'
|
|
# Target not built with an MIPS CXX compiler (simulator build).
|
|
'conditions': [
|
|
['mips_arch_variant=="r6"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R6',
|
|
'FPU_MODE_FP64',
|
|
],
|
|
}],
|
|
['mips_arch_variant=="r2"', {
|
|
'conditions': [
|
|
[ 'mips_fpu_mode=="fp64"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FP64',
|
|
],
|
|
}],
|
|
['mips_fpu_mode=="fpxx"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FPXX',
|
|
],
|
|
}],
|
|
['mips_fpu_mode=="fp32"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FP32',
|
|
],
|
|
}],
|
|
],
|
|
}],
|
|
['mips_arch_variant=="r1"', {
|
|
'defines': [
|
|
'FPU_MODE_FP32',
|
|
],
|
|
}],
|
|
['mips_arch_variant=="rx"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32RX',
|
|
'FPU_MODE_FPXX',
|
|
],
|
|
}],
|
|
['mips_arch_variant=="loongson"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_LOONGSON',
|
|
'FPU_MODE_FP32',
|
|
],
|
|
}],
|
|
],
|
|
}],
|
|
],
|
|
}], #_toolset=="target
|
|
['_toolset=="host"', {
|
|
'conditions': [
|
|
['mips_arch_variant=="rx"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32RX',
|
|
'FPU_MODE_FPXX',
|
|
],
|
|
}],
|
|
['mips_arch_variant=="r6"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R6',
|
|
'FPU_MODE_FP64',
|
|
],
|
|
}],
|
|
['mips_arch_variant=="r2"', {
|
|
'conditions': [
|
|
['mips_fpu_mode=="fp64"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FP64',
|
|
],
|
|
}],
|
|
['mips_fpu_mode=="fpxx"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FPXX',
|
|
],
|
|
}],
|
|
['mips_fpu_mode=="fp32"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_MIPS32R2',
|
|
'FPU_MODE_FP32'
|
|
],
|
|
}],
|
|
],
|
|
}],
|
|
['mips_arch_variant=="r1"', {
|
|
'defines': ['FPU_MODE_FP32',],
|
|
}],
|
|
['mips_arch_variant=="loongson"', {
|
|
'defines': [
|
|
'_MIPS_ARCH_LOONGSON',
|
|
'FPU_MODE_FP32',
|
|
],
|
|
}],
|
|
]
|
|
}],
|
|
],
|
|
}], # v8_target_arch=="mipsel"
|
|
['v8_target_arch=="mips64el"', {
|
|
'defines': [
|
|
'V8_TARGET_ARCH_MIPS64',
|
|
],
|
|
'conditions': [
|
|
[ 'v8_can_use_fpu_instructions=="true"', {
|
|
'defines': [
|
|
'CAN_USE_FPU_INSTRUCTIONS',
|
|
],
|
|
}],
|
|
[ 'v8_use_mips_abi_hardfloat=="true"', {
|
|
'defines': [
|
|
'__mips_hard_float=1',
|
|
'CAN_USE_FPU_INSTRUCTIONS',
|
|
],
|
|
}, {
|
|
'defines': [
|
|
'__mips_soft_float=1'
|
|
],
|
|
}],
|
|
],
|
|
'target_conditions': [
|
|
['_toolset=="target"', {
|
|
'conditions': [
|
|
['v8_target_arch==target_arch and android_webview_build==0', {
|
|
'cflags': ['-EL'],
|
|
'ldflags': ['-EL'],
|
|
'conditions': [
|
|
[ 'v8_use_mips_abi_hardfloat=="true"', {
|
|
'cflags': ['-mhard-float'],
|
|
'ldflags': ['-mhard-float'],
|
|
}, {
|
|
'cflags': ['-msoft-float'],
|
|
'ldflags': ['-msoft-float'],
|
|
}],
|
|
['mips_arch_variant=="r6"', {
|
|
'defines': ['_MIPS_ARCH_MIPS64R6',],
|
|
'cflags': ['-mips64r6', '-mabi=64', '-Wa,-mips64r6'],
|
|
'ldflags': [
|
|
'-mips64r6', '-mabi=64',
|
|
'-Wl,--dynamic-linker=$(LDSO_PATH)',
|
|
'-Wl,--rpath=$(LD_R_PATH)',
|
|
],
|
|
}],
|
|
['mips_arch_variant=="r2"', {
|
|
'defines': ['_MIPS_ARCH_MIPS64R2',],
|
|
'cflags': ['-mips64r2', '-mabi=64', '-Wa,-mips64r2'],
|
|
'ldflags': [
|
|
'-mips64r2', '-mabi=64',
|
|
'-Wl,--dynamic-linker=$(LDSO_PATH)',
|
|
'-Wl,--rpath=$(LD_R_PATH)',
|
|
],
|
|
}],
|
|
],
|
|
}, {
|
|
# 'v8_target_arch!=target_arch'
|
|
# Target not built with an MIPS CXX compiler (simulator build).
|
|
'conditions': [
|
|
['mips_arch_variant=="r6"', {
|
|
'defines': ['_MIPS_ARCH_MIPS64R6',],
|
|
}],
|
|
['mips_arch_variant=="r2"', {
|
|
'defines': ['_MIPS_ARCH_MIPS64R2',],
|
|
}],
|
|
],
|
|
}],
|
|
],
|
|
}], #'_toolset=="target"
|
|
['_toolset=="host"', {
|
|
'conditions': [
|
|
['mips_arch_variant=="r6"', {
|
|
'defines': ['_MIPS_ARCH_MIPS64R6',],
|
|
}],
|
|
['mips_arch_variant=="r2"', {
|
|
'defines': ['_MIPS_ARCH_MIPS64R2',],
|
|
}],
|
|
],
|
|
}], #'_toolset=="host"
|
|
],
|
|
}], # v8_target_arch=="mips64el"
|
|
['v8_target_arch=="x64"', {
|
|
'defines': [
|
|
'V8_TARGET_ARCH_X64',
|
|
],
|
|
'xcode_settings': {
|
|
'ARCHS': [ 'x86_64' ],
|
|
},
|
|
'msvs_settings': {
|
|
'VCLinkerTool': {
|
|
'StackReserveSize': '2097152',
|
|
},
|
|
},
|
|
'msvs_configuration_platform': 'x64',
|
|
}], # v8_target_arch=="x64"
|
|
['v8_target_arch=="x32"', {
|
|
'defines': [
|
|
# x32 port shares the source code with x64 port.
|
|
'V8_TARGET_ARCH_X64',
|
|
'V8_TARGET_ARCH_32_BIT',
|
|
],
|
|
'cflags': [
|
|
'-mx32',
|
|
# Inhibit warning if long long type is used.
|
|
'-Wno-long-long',
|
|
],
|
|
'ldflags': [
|
|
'-mx32',
|
|
],
|
|
}], # v8_target_arch=="x32"
|
|
['OS=="win"', {
|
|
'defines': [
|
|
'WIN32',
|
|
],
|
|
# 4351: VS 2005 and later are warning us that they've fixed a bug
|
|
# present in VS 2003 and earlier.
|
|
'msvs_disabled_warnings': [4351],
|
|
'msvs_configuration_attributes': {
|
|
'OutputDirectory': '<(DEPTH)\\build\\$(ConfigurationName)',
|
|
'IntermediateDirectory': '$(OutDir)\\obj\\$(ProjectName)',
|
|
'CharacterSet': '1',
|
|
},
|
|
}],
|
|
['OS=="win" and v8_target_arch=="ia32"', {
|
|
'msvs_settings': {
|
|
'VCCLCompilerTool': {
|
|
# Ensure no surprising artifacts from 80bit double math with x86.
|
|
'AdditionalOptions': ['/arch:SSE2'],
|
|
},
|
|
},
|
|
}],
|
|
['OS=="win" and v8_enable_prof==1', {
|
|
'msvs_settings': {
|
|
'VCLinkerTool': {
|
|
'GenerateMapFile': 'true',
|
|
},
|
|
},
|
|
}],
|
|
['(OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
|
|
or OS=="netbsd" or OS=="mac" or OS=="android" or OS=="qnx") and \
|
|
v8_target_arch=="ia32"', {
|
|
# All floating-point computations on x87 happens in 80-bit
|
|
# precision. Because the C and C++ language standards allow
|
|
# the compiler to keep the floating-point values in higher
|
|
# precision than what's specified in the source and doing so
|
|
# is more efficient than constantly rounding up to 64-bit or
|
|
# 32-bit precision as specified in the source, the compiler,
|
|
# especially in the optimized mode, tries very hard to keep
|
|
# values in x87 floating-point stack (in 80-bit precision)
|
|
# as long as possible. This has important side effects, that
|
|
# the real value used in computation may change depending on
|
|
# how the compiler did the optimization - that is, the value
|
|
# kept in 80-bit is different than the value rounded down to
|
|
# 64-bit or 32-bit. There are possible compiler options to
|
|
# make this behavior consistent (e.g. -ffloat-store would keep
|
|
# all floating-values in the memory, thus force them to be
|
|
# rounded to its original precision) but they have significant
|
|
# runtime performance penalty.
|
|
#
|
|
# -mfpmath=sse -msse2 makes the compiler use SSE instructions
|
|
# which keep floating-point values in SSE registers in its
|
|
# native precision (32-bit for single precision, and 64-bit
|
|
# for double precision values). This means the floating-point
|
|
# value used during computation does not change depending on
|
|
# how the compiler optimized the code, since the value is
|
|
# always kept in its specified precision.
|
|
#
|
|
# Refer to http://crbug.com/348761 for rationale behind SSE2
|
|
# being a minimum requirement for 32-bit Linux builds and
|
|
# http://crbug.com/313032 for an example where this has "bit"
|
|
# us in the past.
|
|
'cflags': [
|
|
'-msse2',
|
|
'-mfpmath=sse',
|
|
'-mmmx', # Allows mmintrin.h for MMX intrinsics.
|
|
],
|
|
}],
|
|
['(OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
|
|
or OS=="netbsd" or OS=="mac" or OS=="android" or OS=="qnx") and \
|
|
(v8_target_arch=="arm" or v8_target_arch=="ia32" or \
|
|
v8_target_arch=="x87" or v8_target_arch=="mips" or \
|
|
v8_target_arch=="mipsel" or v8_target_arch=="ppc")', {
|
|
'target_conditions': [
|
|
['_toolset=="host"', {
|
|
'conditions': [
|
|
['host_cxx_is_biarch==1', {
|
|
'cflags': [ '-m32' ],
|
|
'ldflags': [ '-m32' ]
|
|
}],
|
|
],
|
|
'xcode_settings': {
|
|
'ARCHS': [ 'i386' ],
|
|
},
|
|
}],
|
|
['_toolset=="target"', {
|
|
'conditions': [
|
|
['target_cxx_is_biarch==1 and nacl_target_arch!="nacl_x64"', {
|
|
'cflags': [ '-m32' ],
|
|
'ldflags': [ '-m32' ],
|
|
}],
|
|
# Enable feedback-directed optimisation when building in android.
|
|
[ 'android_webview_build == 1', {
|
|
'aosp_build_settings': {
|
|
'LOCAL_FDO_SUPPORT': 'true',
|
|
},
|
|
}],
|
|
],
|
|
'xcode_settings': {
|
|
'ARCHS': [ 'i386' ],
|
|
},
|
|
}],
|
|
],
|
|
}],
|
|
['(OS=="linux" or OS=="android") and \
|
|
(v8_target_arch=="x64" or v8_target_arch=="arm64" or \
|
|
v8_target_arch=="ppc64")', {
|
|
'target_conditions': [
|
|
['_toolset=="host"', {
|
|
'conditions': [
|
|
['host_cxx_is_biarch==1', {
|
|
'cflags': [ '-m64' ],
|
|
'ldflags': [ '-m64' ]
|
|
}],
|
|
],
|
|
}],
|
|
['_toolset=="target"', {
|
|
'conditions': [
|
|
['target_cxx_is_biarch==1', {
|
|
'cflags': [ '-m64' ],
|
|
'ldflags': [ '-m64' ],
|
|
}],
|
|
# Enable feedback-directed optimisation when building in android.
|
|
[ 'android_webview_build == 1', {
|
|
'aosp_build_settings': {
|
|
'LOCAL_FDO_SUPPORT': 'true',
|
|
},
|
|
}],
|
|
]
|
|
}],
|
|
],
|
|
}],
|
|
['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
|
|
or OS=="netbsd" or OS=="qnx"', {
|
|
'conditions': [
|
|
[ 'v8_no_strict_aliasing==1', {
|
|
'cflags': [ '-fno-strict-aliasing' ],
|
|
}],
|
|
], # conditions
|
|
}],
|
|
['OS=="solaris"', {
|
|
'defines': [ '__C99FEATURES__=1' ], # isinf() etc.
|
|
}],
|
|
['OS=="freebsd" or OS=="openbsd"', {
|
|
'cflags': [ '-I/usr/local/include' ],
|
|
}],
|
|
['OS=="netbsd"', {
|
|
'cflags': [ '-I/usr/pkg/include' ],
|
|
}],
|
|
], # conditions
|
|
'configurations': {
|
|
# Abstract configuration for v8_optimized_debug == 0.
|
|
'DebugBase0': {
|
|
'abstract': 1,
|
|
'msvs_settings': {
|
|
'VCCLCompilerTool': {
|
|
'Optimization': '0',
|
|
'conditions': [
|
|
['component=="shared_library"', {
|
|
'RuntimeLibrary': '3', # /MDd
|
|
}, {
|
|
'RuntimeLibrary': '1', # /MTd
|
|
}],
|
|
],
|
|
},
|
|
'VCLinkerTool': {
|
|
'LinkIncremental': '2',
|
|
},
|
|
},
|
|
'variables': {
|
|
'v8_enable_slow_dchecks%': 1,
|
|
},
|
|
'conditions': [
|
|
['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" or \
|
|
OS=="qnx"', {
|
|
'cflags!': [
|
|
'-O3',
|
|
'-O2',
|
|
'-O1',
|
|
'-Os',
|
|
],
|
|
'cflags': [
|
|
'-fdata-sections',
|
|
'-ffunction-sections',
|
|
],
|
|
}],
|
|
['OS=="mac"', {
|
|
'xcode_settings': {
|
|
'GCC_OPTIMIZATION_LEVEL': '0', # -O0
|
|
},
|
|
}],
|
|
['v8_enable_slow_dchecks==1', {
|
|
'defines': [
|
|
'ENABLE_SLOW_DCHECKS',
|
|
],
|
|
}],
|
|
],
|
|
}, # DebugBase0
|
|
# Abstract configuration for v8_optimized_debug == 1.
|
|
'DebugBase1': {
|
|
'abstract': 1,
|
|
'msvs_settings': {
|
|
'VCCLCompilerTool': {
|
|
'Optimization': '2',
|
|
'InlineFunctionExpansion': '2',
|
|
'EnableIntrinsicFunctions': 'true',
|
|
'FavorSizeOrSpeed': '0',
|
|
'StringPooling': 'true',
|
|
'BasicRuntimeChecks': '0',
|
|
'conditions': [
|
|
['component=="shared_library"', {
|
|
'RuntimeLibrary': '3', #/MDd
|
|
}, {
|
|
'RuntimeLibrary': '1', #/MTd
|
|
}],
|
|
],
|
|
},
|
|
'VCLinkerTool': {
|
|
'LinkIncremental': '1',
|
|
'OptimizeReferences': '2',
|
|
'EnableCOMDATFolding': '2',
|
|
},
|
|
},
|
|
'variables': {
|
|
'v8_enable_slow_dchecks%': 0,
|
|
},
|
|
'conditions': [
|
|
['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" or \
|
|
OS=="qnx"', {
|
|
'cflags!': [
|
|
'-O0',
|
|
'-O1',
|
|
'-Os',
|
|
],
|
|
'cflags': [
|
|
'-fdata-sections',
|
|
'-ffunction-sections',
|
|
],
|
|
'conditions': [
|
|
# TODO(crbug.com/272548): Avoid -O3 in NaCl
|
|
['nacl_target_arch=="none"', {
|
|
'cflags': ['-O3'],
|
|
'cflags!': ['-O2'],
|
|
}, {
|
|
'cflags': ['-O2'],
|
|
'cflags!': ['-O3'],
|
|
}],
|
|
],
|
|
}],
|
|
['OS=="mac"', {
|
|
'xcode_settings': {
|
|
'GCC_OPTIMIZATION_LEVEL': '3', # -O3
|
|
'GCC_STRICT_ALIASING': 'YES',
|
|
},
|
|
}],
|
|
['v8_enable_slow_dchecks==1', {
|
|
'defines': [
|
|
'ENABLE_SLOW_DCHECKS',
|
|
],
|
|
}],
|
|
],
|
|
}, # DebugBase1
|
|
# Common settings for the Debug configuration.
|
|
'DebugBaseCommon': {
|
|
'abstract': 1,
|
|
'defines': [
|
|
'ENABLE_DISASSEMBLER',
|
|
'V8_ENABLE_CHECKS',
|
|
'OBJECT_PRINT',
|
|
'VERIFY_HEAP',
|
|
'DEBUG',
|
|
'TRACE_MAPS'
|
|
],
|
|
'conditions': [
|
|
['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" or \
|
|
OS=="qnx"', {
|
|
'cflags': [ '-Woverloaded-virtual', '<(wno_array_bounds)', ],
|
|
}],
|
|
['OS=="linux" and v8_enable_backtrace==1', {
|
|
# Support for backtrace_symbols.
|
|
'ldflags': [ '-rdynamic' ],
|
|
}],
|
|
['OS=="android"', {
|
|
'variables': {
|
|
'android_full_debug%': 1,
|
|
},
|
|
'conditions': [
|
|
['android_full_debug==0', {
|
|
# Disable full debug if we want a faster v8 in a debug build.
|
|
# TODO(2304): pass DISABLE_DEBUG_ASSERT instead of hiding DEBUG.
|
|
'defines!': [
|
|
'DEBUG',
|
|
'ENABLE_SLOW_DCHECKS',
|
|
],
|
|
}],
|
|
],
|
|
}],
|
|
],
|
|
}, # DebugBaseCommon
|
|
'Debug': {
|
|
'inherit_from': ['DebugBaseCommon'],
|
|
'conditions': [
|
|
['v8_optimized_debug==0', {
|
|
'inherit_from': ['DebugBase0'],
|
|
}, {
|
|
'inherit_from': ['DebugBase1'],
|
|
}],
|
|
],
|
|
}, # Debug
|
|
'Release': {
|
|
'variables': {
|
|
'v8_enable_slow_dchecks%': 0,
|
|
},
|
|
'conditions': [
|
|
['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd"', {
|
|
'cflags!': [
|
|
'-Os',
|
|
],
|
|
'cflags': [
|
|
'-fdata-sections',
|
|
'-ffunction-sections',
|
|
'<(wno_array_bounds)',
|
|
],
|
|
'conditions': [
|
|
# TODO(crbug.com/272548): Avoid -O3 in NaCl
|
|
['nacl_target_arch=="none"', {
|
|
'cflags': ['-O3'],
|
|
'cflags!': ['-O2'],
|
|
}, {
|
|
'cflags': ['-O2'],
|
|
'cflags!': ['-O3'],
|
|
}],
|
|
],
|
|
}],
|
|
['OS=="android"', {
|
|
'cflags!': [
|
|
'-O3',
|
|
'-Os',
|
|
],
|
|
'cflags': [
|
|
'-fdata-sections',
|
|
'-ffunction-sections',
|
|
'-O2',
|
|
],
|
|
}],
|
|
['OS=="mac"', {
|
|
'xcode_settings': {
|
|
'GCC_OPTIMIZATION_LEVEL': '3', # -O3
|
|
|
|
# -fstrict-aliasing. Mainline gcc
|
|
# enables this at -O2 and above,
|
|
# but Apple gcc does not unless it
|
|
# is specified explicitly.
|
|
'GCC_STRICT_ALIASING': 'YES',
|
|
},
|
|
}], # OS=="mac"
|
|
['OS=="win"', {
|
|
'msvs_settings': {
|
|
'VCCLCompilerTool': {
|
|
'Optimization': '2',
|
|
'InlineFunctionExpansion': '2',
|
|
'EnableIntrinsicFunctions': 'true',
|
|
'FavorSizeOrSpeed': '0',
|
|
'StringPooling': 'true',
|
|
'conditions': [
|
|
['component=="shared_library"', {
|
|
'RuntimeLibrary': '2', #/MD
|
|
}, {
|
|
'RuntimeLibrary': '0', #/MT
|
|
}],
|
|
],
|
|
},
|
|
'VCLinkerTool': {
|
|
'LinkIncremental': '1',
|
|
'OptimizeReferences': '2',
|
|
'EnableCOMDATFolding': '2',
|
|
},
|
|
},
|
|
}], # OS=="win"
|
|
['v8_enable_slow_dchecks==1', {
|
|
'defines': [
|
|
'ENABLE_SLOW_DCHECKS',
|
|
],
|
|
}],
|
|
], # conditions
|
|
}, # Release
|
|
}, # configurations
|
|
}, # target_defaults
|
|
}
|