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| 1 # Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 # Use of this source code is governed by a BSD-style license that can be |
| 3 # found in the LICENSE file. |
| 4 |
| 5 import("//v8/snapshot_toolchain.gni") |
| 6 |
| 7 if (is_android) { |
| 8 import("//build/config/android/rules.gni") |
| 9 } |
| 10 |
| 11 if (is_android) { |
| 12 android_assets("blink_v8_snapshot_assets") { |
| 13 deps = [ |
| 14 ":blink_v8_snapshot", |
| 15 ] |
| 16 sources = [ |
| 17 "$root_out_dir/blink_v8_snapshot.bin", |
| 18 ] |
| 19 disable_compression = true |
| 20 } |
| 21 } |
| 22 |
| 23 group("blink_v8_snapshot") { |
| 24 if (!is_chromeos) { |
| 25 public_deps = [ |
| 26 ":generate_blink_v8_snapshot", |
| 27 ] |
| 28 } |
| 29 } |
| 30 |
| 31 if (!is_chromeos) { |
| 32 action("generate_blink_v8_snapshot") { |
| 33 script = "run.py" |
| 34 output_file = "$root_out_dir/blink_v8_snapshot.bin" |
| 35 output_path = rebase_path(output_file, root_build_dir) |
| 36 |
| 37 args = [ |
| 38 "./" + rebase_path( |
| 39 get_label_info( |
| 40 ":blink_v8_snapshot_generator($v8_snapshot_toolchain)", |
| 41 "root_out_dir") + "/blink_v8_snapshot_generator", |
| 42 root_build_dir), |
| 43 "--output_file=$output_path", |
| 44 ] |
| 45 |
| 46 outputs = [ |
| 47 output_file, |
| 48 ] |
| 49 |
| 50 deps = [ |
| 51 ":blink_v8_snapshot_generator($v8_snapshot_toolchain)", |
| 52 ] |
| 53 } |
| 54 |
| 55 # This config disables a link time optimization "ICF", which may merge differe
nt |
| 56 # functions into one if the function signature and body of them are identical. |
| 57 config("disable_icf") { |
| 58 visibility = [ ":*" ] # Only targets in this file can depend on this. |
| 59 if (is_win) { |
| 60 ldflags = [ "/OPT:NOICF" ] |
| 61 } else if (is_posix && !is_mac) { |
| 62 ldflags = [ "-Wl,--icf=none" ] |
| 63 } |
| 64 } |
| 65 |
| 66 executable("blink_v8_snapshot_generator") { |
| 67 sources = [ |
| 68 "blink_v8_snapshot_generator.cc", |
| 69 ] |
| 70 |
| 71 deps = [ |
| 72 "//gin:gin", |
| 73 "//mojo/edk/system:system", |
| 74 "//third_party/WebKit/public:blink", |
| 75 "//v8", |
| 76 ] |
| 77 |
| 78 # Link time optimization "ICF" breaks 1:1 mappings of the external reference
s |
| 79 # for V8 snapshot. So, we disable it while taking a V8 snapshot. |
| 80 configs += [ |
| 81 "//v8:external_startup_data", |
| 82 ":disable_icf", |
| 83 ] |
| 84 } |
| 85 } |
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