Skip to content

tools: add v8windbg target #59767

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Sep 7, 2025
+183 −0
Merged

tools: add v8windbg target #59767

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
b845452
tools: add v8windbg target
legendecas Sep 4, 2025
413dab8
fixup! tools: add v8windbg target
legendecas Sep 5, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 9 additions & 0 deletions configure.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -628,6 +628,12 @@
default=None,
help=argparse.SUPPRESS) # Unsupported, undocumented.

parser.add_argument('--enable-v8windbg',
action='store_true',
dest='enable_v8windbg',
default=None,
help=argparse.SUPPRESS) # Undocumented.

parser.add_argument('--enable-trace-maps',
action='store_true',
dest='trace_maps',
Expand Down Expand Up @@ -1798,10 +1804,13 @@ def configure_v8(o, configs):
o['variables']['node_use_bundled_v8'] = b(not options.without_bundled_v8)
o['variables']['force_dynamic_crt'] = 1 if options.shared else 0
o['variables']['node_enable_d8'] = b(options.enable_d8)
o['variables']['node_enable_v8windbg'] = b(options.enable_v8windbg)
if options.enable_d8:
o['variables']['test_isolation_mode'] = 'noop' # Needed by d8.gyp.
if options.without_bundled_v8 and options.enable_d8:
raise Exception('--enable-d8 is incompatible with --without-bundled-v8.')
if options.without_bundled_v8 and options.enable_v8windbg:
raise Exception('--enable-v8windbg is incompatible with --without-bundled-v8.')
if options.static_zoslib_gyp:
o['variables']['static_zoslib_gyp'] = options.static_zoslib_gyp
if flavor != 'linux' and options.v8_enable_hugepage:
Expand Down
3 changes: 3 additions & 0 deletions node.gypi
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -85,6 +85,9 @@
[ 'node_enable_d8=="true"', {
'dependencies': [ 'tools/v8_gypfiles/d8.gyp:d8' ],
}],
[ 'node_enable_v8windbg=="true"', {
'dependencies': [ 'tools/v8_gypfiles/v8windbg.gyp:build_v8windbg' ],
}],
[ 'node_use_bundled_v8=="true"', {
'dependencies': [
'tools/v8_gypfiles/v8.gyp:v8_snapshot',
Expand Down
168 changes: 168 additions & 0 deletions tools/v8_gypfiles/v8windbg.gyp
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,168 @@
{
'variables': {
'V8_ROOT': '../../deps/v8',
'v8_code': 1,
},
'includes': ['toolchain.gypi', 'features.gypi'],
'targets': [
{
# Intermediate target to build v8windbg.dll.
# This prevents the dependent settings like node.gypi to link the v8windbg.dll
# to the dependent. v8windbg.dll is only supposed to be loaded by WinDbg at debug time.
'target_name': 'build_v8windbg',
'type': 'none',
'hard_dependency': 1,
'dependencies': [
'v8windbg',
],
}, # build_v8windbg
{
'target_name': 'v8windbg',
'type': 'shared_library',
'include_dirs': [
'<(V8_ROOT)',
'<(V8_ROOT)/include',
],
'dependencies': [
'v8_debug_helper',
'v8.gyp:v8_libbase',
],
'sources': [
'<!@pymod_do_main(GN-scraper "<(V8_ROOT)/tools/v8windbg/BUILD.gn" "v8windbg_base.*?sources = ")',
'<!@pymod_do_main(GN-scraper "<(V8_ROOT)/tools/v8windbg/BUILD.gn" "v8_shared_library..v8windbg.*?sources = ")',
],
"link_settings": {
"libraries": [
"-lDbgEng.lib",
"-lDbgModel.lib",
"-lRuntimeObject.lib",
"-lcomsuppwd.lib",
],
},
}, # v8windbg
{
'target_name': 'v8_debug_helper',
'type': 'static_library',
'include_dirs': [
'<(V8_ROOT)',
'<(V8_ROOT)/include',
],
'dependencies': [
'gen_heap_constants',

'abseil.gyp:abseil',
'v8.gyp:generate_bytecode_builtins_list',
'v8.gyp:run_torque',
'v8.gyp:v8_maybe_icu',
'v8.gyp:fp16',
'v8.gyp:v8_libbase',
'v8.gyp:v8_snapshot',
],
'sources': [
'<!@pymod_do_main(GN-scraper "<(V8_ROOT)/tools/debug_helper/BUILD.gn" "\"v8_debug_helper_internal\".*?sources = ")',
"<(SHARED_INTERMEDIATE_DIR)/torque-generated/class-debug-readers.cc",
"<(SHARED_INTERMEDIATE_DIR)/torque-generated/class-debug-readers.h",
"<(SHARED_INTERMEDIATE_DIR)/torque-generated/debug-macros.cc",
"<(SHARED_INTERMEDIATE_DIR)/torque-generated/debug-macros.h",
"<(SHARED_INTERMEDIATE_DIR)/torque-generated/instance-types.h",
],
# Enable RTTI //build/config/compiler:rtti
'cflags_cc': [ '-frtti' ],
'cflags_cc!': [ '-fno-rtti' ],
'xcode_settings': {
'GCC_ENABLE_CPP_RTTI': 'YES', # -frtti
},
'msvs_settings': {
'VCCLCompilerTool': {
'RuntimeTypeInfo': 'true',
},
},
'configurations': {
'Release': { # Override target_defaults.Release in common.gypi
'msvs_settings': {
'VCCLCompilerTool': {
'RuntimeTypeInfo': 'true',
},
},
},
},
}, # v8_debug_helper
{
'target_name': 'gen_heap_constants',
'type': 'none',
'hard_dependency': 1,
'dependencies': [
'run_mkgrokdump',
],
'direct_dependent_settings': {
'sources': [
'<(SHARED_INTERMEDIATE_DIR)/heap-constants-gen.cc',
],
},
'actions': [
{
'action_name': 'run_gen_heap_constants',
'inputs': [
'<(V8_ROOT)/tools/debug_helper/gen-heap-constants.py',
],
'outputs': [
'<(SHARED_INTERMEDIATE_DIR)/heap-constants-gen.cc',
],
'action': [
'<(python)',
'<(V8_ROOT)/tools/debug_helper/gen-heap-constants.py',
'<(SHARED_INTERMEDIATE_DIR)',
'<@(_outputs)',
]
}
]
}, # gen_heap_constants
{
'target_name': 'run_mkgrokdump',
'type': 'none',
'hard_dependency': 1,
'dependencies': [
'mkgrokdump',
],
'actions': [
{
'action_name': 'run_gen_heap_constants',
'inputs': [
'<(V8_ROOT)/tools/run.py',
],
'outputs': [
'<(SHARED_INTERMEDIATE_DIR)/v8heapconst.py',
],
'action': [
'<(python)',
'<(V8_ROOT)/tools/run.py',
'<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)mkgrokdump<(EXECUTABLE_SUFFIX)',
'--outfile',
'<@(_outputs)',
]
}
]
}, # run_mkgrokdump
{
'target_name': 'mkgrokdump',
'type': 'executable',
'include_dirs': [
'<(V8_ROOT)',
'<(V8_ROOT)/include',
],
'dependencies': [
'abseil.gyp:abseil',
'v8.gyp:v8_snapshot',
'v8.gyp:v8_libbase',
'v8.gyp:v8_libplatform',
'v8.gyp:v8_maybe_icu',
'v8.gyp:fp16',
'v8.gyp:generate_bytecode_builtins_list',
'v8.gyp:run_torque',
],
'sources': [
'<!@pymod_do_main(GN-scraper "<(V8_ROOT)/test/mkgrokdump/BUILD.gn" "mkgrokdump.*?sources = ")',
]
}, # mkgrokdump
],
}
3 changes: 3 additions & 0 deletions vcbuild.bat
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,7 @@ set doc=
set extra_msbuild_args=
set compile_commands=
set cfg=
set v8windbg=
set exit_code=0

:next-arg
Expand All @@ -95,6 +96,7 @@ if /i "%1"=="sign" set sign=1&goto arg-ok
if /i "%1"=="nosnapshot" set nosnapshot=1&goto arg-ok
if /i "%1"=="nonpm" set nonpm=1&goto arg-ok
if /i "%1"=="ltcg" set ltcg=1&goto arg-ok
if /i "%1"=="v8windbg" set v8windbg=1&goto arg-ok
if /i "%1"=="licensertf" set licensertf=1&goto arg-ok
if /i "%1"=="test" set test_args=%test_args% %common_test_suites%&set lint_cpp=1&set lint_js=1&set lint_md=1&goto arg-ok
if /i "%1"=="test-ci-native" set test_args=%test_args% %test_ci_args% -p tap --logfile test.tap %CI_NATIVE_SUITES% %CI_DOC%&set build_addons=1&set build_js_native_api_tests=1&set build_node_api_tests=1&set cctest_args=%cctest_args% --gtest_output=xml:cctest.junit.xml&goto arg-ok
Expand Down Expand Up @@ -210,6 +212,7 @@ if defined DEBUG_HELPER set configure_flags=%configure_flags% --verbose
if defined ccache_path set configure_flags=%configure_flags% --use-ccache-win
if defined compile_commands set configure_flags=%configure_flags% -C
if defined cfg set configure_flags=%configure_flags% --control-flow-guard
if defined v8windbg set configure_flags=%configure_flags% --enable-v8windbg

if "%target_arch%"=="x86" (
echo "32-bit Windows builds are not supported anymore."
Expand Down
Loading