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https://github.com/dart-lang/sdk
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6c7604291c
This adds a --platform= option to dart2wasm to read the SDK libraries from that dill file instead of compiling them from source every time. If the option is not given, the SDK libraries are compiled, like before. Also adds a "dart2wasm" build target, which will build the dart2wasm platform dill and compile dart2wasm to two AOT snapshots (with and without asserts). The dart2wasm scripts in sdk/bin are updated to run via these snapshots and use this platform dill. This speeds up test runs for the dart2wasm-hostasserts-linux-x64-d8 configuration by approximately 45x. Change-Id: If2c7750a6eb39725310745f887792784d0dfc583 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/243624 Commit-Queue: Aske Simon Christensen <askesc@google.com> Reviewed-by: William Hesse <whesse@google.com> Reviewed-by: Joshua Litt <joshualitt@google.com>
118 lines
3.4 KiB
Text
118 lines
3.4 KiB
Text
# Copyright (c) 2022, the Dart project authors. Please see the AUTHORS file
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# for details. All rights reserved. Use of this source code is governed by a
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# BSD-style license that can be found in the LICENSE file.
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import("../build/dart/dart_action.gni")
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import("../sdk_args.gni")
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_dart_root = get_path_info("..", "abspath")
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template("aot_snapshot") {
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assert(defined(invoker.main_dart), "Must specify 'main_dart'")
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gen_kernel_args = []
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if (defined(invoker.gen_kernel_args)) {
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gen_kernel_args = invoker.gen_kernel_args
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}
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gen_snapshot_args = []
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if (defined(invoker.gen_snapshot_args)) {
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gen_snapshot_args = invoker.gen_snapshot_args
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}
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main_dart = invoker.main_dart
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name = target_name
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if (defined(invoker.name)) {
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name = invoker.name
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}
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extra_deps = []
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if (defined(invoker.deps)) {
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extra_deps += invoker.deps
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}
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extra_inputs = [ main_dart ]
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if (defined(invoker.inputs)) {
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extra_inputs += invoker.inputs
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}
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if (defined(invoker.dot_packages)) {
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dot_packages = invoker.dot_packages
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} else {
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dot_packages = rebase_path("$_dart_root/.dart_tool/package_config.json")
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}
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output = "$root_out_dir/$name.snapshot"
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if (defined(invoker.output)) {
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output = invoker.output
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}
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dill = "$target_gen_dir/$name.dart.dill"
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# Build the kernel file using the prebuilt VM to speed up the debug and
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# simulator builds.
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prebuilt_dart_action(target_name + "_dill") {
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if (defined(invoker.pool)) {
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pool = invoker.pool
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}
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deps = extra_deps + [
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"$_dart_root/runtime/vm:kernel_platform_files($host_toolchain)",
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"$_dart_root/runtime/vm:vm_platform",
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"$_dart_root/utils/gen_kernel:bootstrap_gen_kernel",
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]
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gen_kernel_kernel =
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get_label_info("$_dart_root/utils/gen_kernel:bootstrap_gen_kernel",
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"target_gen_dir") + "/bootstrap_gen_kernel.dill"
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platform_dill = "$root_out_dir/vm_platform_strong.dill"
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inputs = extra_inputs + [
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gen_kernel_kernel,
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platform_dill,
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main_dart,
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dot_packages,
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]
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output = dill
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outputs = [ output ]
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depfile = "$output.d"
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vm_args = [
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# Ensure gen_kernel.dart will use this SDK hash when consuming/producing kernel.
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"-Dsdk_hash=$sdk_hash",
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]
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script = gen_kernel_kernel
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args = [
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"--packages=" + rebase_path(dot_packages),
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"--platform=" + rebase_path(platform_dill),
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"--aot",
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"--output=" + rebase_path(output, root_build_dir),
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"--depfile=" + rebase_path(depfile),
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# Ensure the compiled appliation (e.g. kernel-service, frontend-server,
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# ...) will use this SDK hash when consuming/producing kernel.
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#
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# (Instead of ensuring every user of the "application_snapshot" /
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# "kernel_snapshot" passes this if needed, we always pass it)
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"-Dsdk_hash=$sdk_hash",
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]
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args += gen_kernel_args
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args += [ rebase_path(main_dart) ]
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}
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# Create a snapshot from kernel built above.
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gen_snapshot_action(target_name) {
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if (defined(invoker.pool)) {
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pool = invoker.pool
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}
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deps = extra_deps + [ ":${target_name}_dill" ]
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inputs = extra_inputs
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outputs = [ output ]
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abs_output = rebase_path(output)
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vm_args = [
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"--deterministic",
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"--snapshot-kind=app-aot-elf",
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"--elf=$abs_output",
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] + gen_snapshot_args
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args = [ rebase_path(dill) ]
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}
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}
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