For building v8 using gn on aix_ppc64, linux_s390x and linux_ppc64(both LE and BE).
Also add support for host_byteorder logic which is introduced in - https://codereview.chromium.org/2815453004/ Chromium_BUG=706728 R=machenbach@chromium.org, dpranke@chromium.org, adamk@chromium.org Review-Url: https://codereview.chromium.org/2809963004 Cr-Commit-Position: refs/heads/master@{#45268}
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parent
74543fedd8
commit
468f1958e0
6
.gn
6
.gn
@ -21,7 +21,5 @@ check_targets = []
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# These are the list of GN files that run exec_script. This whitelist exists
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# to force additional review for new uses of exec_script, which is strongly
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# discouraged except for gypi_to_gn calls.
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exec_script_whitelist = build_dotfile_settings.exec_script_whitelist + [
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"//test/test262/BUILD.gn",
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"//BUILD.gn",
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]
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exec_script_whitelist =
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build_dotfile_settings.exec_script_whitelist + [ "//test/test262/BUILD.gn" ]
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31
BUILD.gn
31
BUILD.gn
@ -5,6 +5,7 @@
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import("//build/config/android/config.gni")
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import("//build/config/arm.gni")
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import("//build/config/dcheck_always_on.gni")
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import("//build/config/host_byteorder.gni")
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import("//build/config/mips.gni")
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import("//build/config/sanitizers/sanitizers.gni")
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@ -107,19 +108,6 @@ declare_args() {
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v8_enable_gdbjit = ((v8_current_cpu == "x86" || v8_current_cpu == "x64" ||
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v8_current_cpu == "x87") && (is_linux || is_mac)) ||
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(v8_current_cpu == "ppc64" && is_linux)
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# Set v8_host_byteorder
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v8_host_byteorder = "little"
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# ppc64 can be either BE or LE
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if (host_cpu == "ppc64") {
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v8_host_byteorder =
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exec_script("//tools/get_byteorder.py", [], "trim string")
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}
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if (host_cpu == "ppc" || host_cpu == "s390" || host_cpu == "s390x" ||
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host_cpu == "mips" || host_cpu == "mips64") {
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v8_host_byteorder = "big"
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}
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}
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# Derived defaults.
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@ -379,7 +367,7 @@ config("toolchain") {
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if (v8_current_cpu == "s390x") {
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defines += [ "V8_TARGET_ARCH_S390X" ]
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}
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if (v8_host_byteorder == "little") {
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if (host_byteorder == "little") {
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defines += [ "V8_TARGET_ARCH_S390_LE_SIM" ]
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} else {
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cflags += [ "-march=z196" ]
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@ -390,9 +378,9 @@ config("toolchain") {
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if (v8_current_cpu == "ppc64") {
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defines += [ "V8_TARGET_ARCH_PPC64" ]
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}
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if (v8_host_byteorder == "little") {
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if (host_byteorder == "little") {
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defines += [ "V8_TARGET_ARCH_PPC_LE" ]
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} else if (v8_host_byteorder == "big") {
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} else if (host_byteorder == "big") {
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defines += [ "V8_TARGET_ARCH_PPC_BE" ]
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if (current_os == "aix") {
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cflags += [
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@ -406,6 +394,7 @@ config("toolchain") {
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}
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}
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}
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if (v8_current_cpu == "x86") {
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defines += [ "V8_TARGET_ARCH_IA32" ]
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if (is_win) {
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@ -2508,6 +2497,16 @@ v8_component("v8_libbase") {
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"src/base/platform/platform-linux.cc",
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]
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libs = [
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"dl",
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"rt",
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]
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} else if (current_os == "aix") {
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sources += [
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"src/base/debug/stack_trace_posix.cc",
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"src/base/platform/platform-aix.cc",
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]
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libs = [
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"dl",
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"rt",
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@ -35,7 +35,7 @@
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#define V8_HOST_ARCH_32_BIT 1
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#elif defined(__PPC__) || defined(_ARCH_PPC)
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#define V8_HOST_ARCH_PPC 1
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#if defined(__PPC64__) || defined(_ARCH_PPC64)
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#if defined(__PPC64__) || defined(_ARCH_PPC64) || defined(_ARCH_PPCGR)
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#define V8_HOST_ARCH_64_BIT 1
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#else
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#define V8_HOST_ARCH_32_BIT 1
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@ -91,6 +91,8 @@
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#define V8_TARGET_ARCH_MIPS64 1
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#elif defined(__MIPSEB__) || defined(__MIPSEL__)
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#define V8_TARGET_ARCH_MIPS 1
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#elif defined(_ARCH_PPC)
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#define V8_TARGET_ARCH_PPC 1
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#else
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#error Target architecture was not detected as supported by v8
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#endif
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@ -181,6 +183,8 @@
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#endif
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#elif V8_TARGET_ARCH_X87
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#define V8_TARGET_LITTLE_ENDIAN 1
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#elif __BIG_ENDIAN__ // FOR PPCGR on AIX
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#define V8_TARGET_BIG_ENDIAN 1
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#elif V8_TARGET_ARCH_PPC_LE
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#define V8_TARGET_LITTLE_ENDIAN 1
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#elif V8_TARGET_ARCH_PPC_BE
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@ -1,17 +0,0 @@
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#!/usr/bin/env python
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#
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# Copyright 2017 the V8 project authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Get Byteorder of host architecture"""
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import sys
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def main():
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print sys.byteorder
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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