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Code Issues Releases Activity

build: disable ICF for mksnapshot

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Refs: https://chromium-review.googlesource.com/c/v8/v8/+/5447267
Co-authored-by: Michaël Zasso <targos@protonmail.com>
PR-URL: https://github.com/nodejs/node/pull/54077
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
This commit is contained in:
Leszek Swirski 2024-04-12 15:29:09 +02:00 committed by Michaël Zasso
parent 525b3f22d1
commit 9d0748c5df
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GPG Key ID: 770F7A9A5AE15600
3 changed files with 42 additions and 1 deletions
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6
node.gyp
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@ -1405,6 +1405,12 @@
'tools/snapshot/node_mksnapshot.cc',
],
'msvs_settings': {
'VCLinkerTool': {
'EnableCOMDATFolding': '1', # /OPT:NOICF
},
},
'conditions': [
['node_write_snapshot_as_array_literals=="true"', {
'defines': [ 'NODE_MKSNAPSHOT_USE_ARRAY_LITERALS=1' ],

18
tools/v8_gypfiles/v8.gyp
View File

@ -1710,6 +1710,24 @@
'sources': [
'<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn" "\\"mksnapshot.*?sources = ")',
],
'configurations': {
# We have to repeat the settings for each configuration because toochain.gypi
# defines the default EnableCOMDATFolding value in the configurations dicts.
'Debug': {
'msvs_settings': {
'VCLinkerTool': {
'EnableCOMDATFolding': '1', # /OPT:NOICF
},
},
},
'Release': {
'msvs_settings': {
'VCLinkerTool': {
'EnableCOMDATFolding': '1', # /OPT:NOICF
},
},
},
},
'conditions': [
['want_separate_host_toolset', {
'toolsets': ['host'],

19
unofficial.gni
View File

@ -237,13 +237,30 @@ template("node_gn_build") {
if (node_use_node_snapshot) {
if (current_toolchain == v8_snapshot_toolchain) {
executable("node_mksnapshot") {
configs += [ ":node_internal_config" ]
configs += [ ":node_internal_config", ":disable_icf" ]
sources = [
"src/node_snapshot_stub.cc",
"tools/snapshot/node_mksnapshot.cc",
]
deps = [ ":libnode" ]
}
# This config disables a link time optimization "ICF", which may merge
# different functions into one if the function signature and body of them are
# identical.
#
# ICF breaks 1:1 mappings of the external references for V8 snapshot, so we
# disable it while taking a V8 snapshot.
config("disable_icf") {
visibility = [ ":*" ] # Only targets in this file can depend on this.
if (is_win) {
ldflags = [ "/OPT:NOICF" ] # link.exe, but also lld-link.exe.
} else if (is_apple && !use_lld) {
ldflags = [ "-Wl,-no_deduplicate" ] # ld64.
} else if (use_gold || use_lld) {
ldflags = [ "-Wl,--icf=none" ]
}
}
}
action("run_node_mksnapshot") {