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Generate gen_snapshot_armv7 and gen_snapshot_arm64 (flutter/engine#22818)

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This commit is contained in:
Jenn Magder 2020-12-02 12:43:51 -08:00 committed by GitHub
parent 111a924c83
commit f7d898eba2
2 changed files with 42 additions and 14 deletions
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27
engine/src/flutter/lib/snapshot/BUILD.gn
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@ -197,6 +197,29 @@ bin_to_linkable("platform_strong_dill_linkable") {
executable = false
}
action("create_arm_gen_snapshot") {
output_dir = "$root_out_dir/clang_x64"
script = "//flutter/sky/tools/create_macos_gen_snapshots.py"
visibility = [ ":*" ]
args = [
"--dst",
rebase_path(output_dir),
]
if (target_cpu == "arm") {
args += [
"--armv7-out-dir",
rebase_path("$root_out_dir"),
]
outputs = [ "$output_dir/gen_snapshot_armv7" ]
} else {
args += [
"--arm64-out-dir",
rebase_path("$root_out_dir"),
]
outputs = [ "$output_dir/gen_snapshot_arm64" ]
}
}
source_set("snapshot") {
deps = [
":isolate_snapshot_data_linkable",
@ -205,6 +228,10 @@ source_set("snapshot") {
":vm_snapshot_data_linkable",
":vm_snapshot_instructions_linkable",
]
if (host_os == "macos" && (target_cpu == "arm" || target_cpu == "arm64")) {
deps += [ ":create_arm_gen_snapshot" ]
}
sources = get_target_outputs(":isolate_snapshot_data_linkable") +
get_target_outputs(":isolate_snapshot_instructions_linkable") +
get_target_outputs(":vm_snapshot_data_linkable") +

29
engine/src/flutter/sky/tools/create_macos_gen_snapshots.py
View File

@ -13,26 +13,27 @@ def main():
parser = argparse.ArgumentParser(description='Copies architecture-dependent gen_snapshot binaries to output dir')
parser.add_argument('--dst', type=str, required=True)
parser.add_argument('--arm64-out-dir', type=str, required=True)
parser.add_argument('--armv7-out-dir', type=str, required=True)
parser.add_argument('--arm64-out-dir', type=str)
parser.add_argument('--armv7-out-dir', type=str)
args = parser.parse_args()
arm64_gen_snapshot = os.path.join(args.arm64_out_dir, 'clang_x64', 'gen_snapshot')
armv7_gen_snapshot = os.path.join(args.armv7_out_dir, 'clang_x64', 'gen_snapshot')
if args.arm64_out_dir:
generate_gen_snapshot(args.arm64_out_dir, os.path.join(args.dst, 'gen_snapshot_arm64'))
if not os.path.isfile(arm64_gen_snapshot):
print 'Cannot find x86_64 (arm64) gen_snapshot at', arm64_gen_snapshot
return 1
if args.armv7_out_dir:
generate_gen_snapshot(args.armv7_out_dir, os.path.join(args.dst, 'gen_snapshot_armv7'))
if not os.path.isfile(armv7_gen_snapshot):
print 'Cannot find i386 (armv7) gen_snapshot at', armv7_gen_snapshot
return 1
subprocess.check_call(['xcrun', 'bitcode_strip', '-r', armv7_gen_snapshot,
'-o', os.path.join(args.dst, 'gen_snapshot_armv7')])
subprocess.check_call(['xcrun', 'bitcode_strip', '-r', arm64_gen_snapshot,
'-o', os.path.join(args.dst, 'gen_snapshot_arm64')])
def generate_gen_snapshot(directory, destination):
gen_snapshot_dir = os.path.join(directory, 'clang_x64', 'gen_snapshot')
if not os.path.isfile(gen_snapshot_dir):
print 'Cannot find gen_snapshot at', gen_snapshot_dir
sys.exit(1)
subprocess.check_call(['xcrun', 'bitcode_strip', '-r', gen_snapshot_dir,
'-o', destination])
if __name__ == '__main__':
sys.exit(main())