[build] Add v8gen support for PPC/s390 architecture
Add PPC/s390 configs to mb_config and BUILD.gn. Also use a script to get host byte ordering. R=machenbach@chromium.org, dpranke@chromium.org BUG= LOG=N Review-Url: https://codereview.chromium.org/2736993004 Cr-Commit-Position: refs/heads/master@{#43751}
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bjaideep
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6
.gn
6
.gn
@ -21,5 +21,7 @@ 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 =
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build_dotfile_settings.exec_script_whitelist + [ "//test/test262/BUILD.gn" ]
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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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38
BUILD.gn
38
BUILD.gn
@ -104,6 +104,19 @@ 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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@ -361,8 +374,31 @@ 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 (host_cpu == "x64" || host_cpu == "x86") {
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if (v8_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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}
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}
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if (v8_current_cpu == "ppc" || v8_current_cpu == "ppc64") {
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defines += [ "V8_TARGET_ARCH_PPC" ]
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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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defines += [ "V8_TARGET_ARCH_PPC_LE" ]
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} else if (v8_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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# Work around AIX ceil, trunc and round oddities.
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"-mcpu=power5+",
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"-mfprnd",
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# Work around AIX assembler popcntb bug.
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"-mno-popcntb",
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]
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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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@ -24,6 +24,18 @@
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'mips64el.debug': 'default_debug_mips64el',
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'mips64el.optdebug': 'default_optdebug_mips64el',
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'mips64el.release': 'default_release_mips64el',
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'ppc.debug': 'default_debug_ppc',
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'ppc.optdebug': 'default_optdebug_ppc',
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'ppc.release': 'default_release_ppc',
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'ppc64.debug': 'default_debug_ppc64',
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'ppc64.optdebug': 'default_optdebug_ppc64',
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'ppc64.release': 'default_release_ppc64',
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's390.debug': 'default_debug_s390',
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's390.optdebug': 'default_optdebug_s390',
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's390.release': 'default_release_s390',
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's390x.debug': 'default_debug_s390x',
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's390x.optdebug': 'default_optdebug_s390x',
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's390x.release': 'default_release_s390x',
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'x64.debug': 'default_debug_x64',
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'x64.optdebug': 'default_optdebug_x64',
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'x64.release': 'default_release_x64',
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@ -234,6 +246,34 @@
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'gn', 'debug', 'simulate_mips64el', 'v8_enable_slow_dchecks'],
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'default_release_mips64el': [
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'gn', 'release', 'simulate_mips64el'],
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'default_debug_ppc': [
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'gn', 'debug', 'simulate_ppc', 'v8_enable_slow_dchecks',
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'v8_full_debug'],
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'default_optdebug_ppc': [
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'gn', 'debug', 'simulate_ppc', 'v8_enable_slow_dchecks'],
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'default_release_ppc': [
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'gn', 'release', 'simulate_ppc'],
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'default_debug_ppc64': [
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'gn', 'debug', 'simulate_ppc64', 'v8_enable_slow_dchecks',
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'v8_full_debug'],
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'default_optdebug_ppc64': [
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'gn', 'debug', 'simulate_ppc64', 'v8_enable_slow_dchecks'],
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'default_release_ppc64': [
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'gn', 'release', 'simulate_ppc64'],
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'default_debug_s390': [
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'gn', 'debug', 'simulate_s390', 'v8_enable_slow_dchecks',
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'v8_full_debug'],
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'default_optdebug_s390': [
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'gn', 'debug', 'simulate_s390', 'v8_enable_slow_dchecks'],
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'default_release_s390': [
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'gn', 'release', 'simulate_s390'],
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'default_debug_s390x': [
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'gn', 'debug', 'simulate_s390x', 'v8_enable_slow_dchecks',
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'v8_full_debug'],
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'default_optdebug_s390x': [
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'gn', 'debug', 'simulate_s390x', 'v8_enable_slow_dchecks'],
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'default_release_s390x': [
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'gn', 'release', 'simulate_s390x'],
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'default_debug_x64': [
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'gn', 'debug', 'x64', 'v8_enable_slow_dchecks', 'v8_full_debug'],
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'default_optdebug_x64': [
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17
tools/get_byteorder.py
Executable file
17
tools/get_byteorder.py
Executable file
@ -0,0 +1,17 @@
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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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