AuroraMiddleware/v8
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Port arm, arm64, mipsle, and mips64le flags to GN

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BUG=chromium:607461
R=machenbach@chromium.org,brettw@chromium.org
LOG=n

Review-Url: https://codereview.chromium.org/1927893002
Cr-Commit-Position: refs/heads/master@{#35922}
This commit is contained in:
jochen 2016-05-02 01:10:32 -07:00 committed by Commit bot
parent aee17a63b3
commit f580f76503
1 changed files with 76 additions and 25 deletions
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101
BUILD.gn
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@ -55,6 +55,12 @@ declare_args() {
# describes various parameters of the VM for use by debuggers. See
# tools/gen-postmortem-metadata.py for details.
v8_postmortem_support = false
# 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
}
v8_random_seed = "314159265"
@ -168,48 +174,93 @@ config("toolchain") {
defines = []
cflags = []
# TODO(jochen): Add support for arm subarchs, mips, mipsel, mips64el.
if (v8_target_arch == "arm") {
defines += [ "V8_TARGET_ARCH_ARM" ]
if (current_cpu == "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",
]
}
} else {
# These defines ares used for the ARM simulator.
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_ARMV7_INSTRUCTIONS",
"CAN_USE_VFP3_INSTRUCTIONS",
"CAN_USE_VFP32DREGS",
"USE_EABI_HARDFLOAT=0",
]
} 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_target_arch == "arm64") {
defines += [ "V8_TARGET_ARCH_ARM64" ]
}
# TODO(jochen): Add support for mips.
if (v8_target_arch == "mipsel") {
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",
]
} 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.
}
# TODO(jochen): Add support for mips64.
if (v8_target_arch == "mips64el") {
defines += [ "V8_TARGET_ARCH_MIPS64" ]
if (v8_can_use_fpu_instructions) {
defines += [ "CAN_USE_FPU_INSTRUCTIONS" ]
}
# TODO(jochen): Add support for big endian host byteorder.
defines += [ "V8_TARGET_ARCH_MIPS64_LE" ]
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" ]
} else if (mips_arch_variant == "r2") {
defines += [ "_MIPS_ARCH_MIPS64R2" ]
}
}
if (v8_target_arch == "s390") {
defines += [ "V8_TARGET_ARCH_S390" ]