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Leszek Swirski 79d85c3df8 [tagged-ptr] Introduce FLEXIBLE_ARRAY_MEMBER macro 
Because of compiler limitations with the flexible array member
extension, in particular around subclassing, introduce a new macro which
defines the flexible array members. This also requires accessing
flexible array members using a macro, rather than with offsetof.

Bug: v8:12710
Change-Id: Ibf8ae9b20bb1a83be7374e439bff484914d7bad1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/5148173
Reviewed-by: Anton Bikineev <bikineev@chromium.org>
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#91765}
2024-01-10 15:47:59 +00:00
..
bazel
[bazel] Update prebuilt bazel to 6.4.0
2023-11-07 12:50:42 +00:00
builtins-pgo
Multiple Python small fixes
2023-08-18 19:13:45 +00:00
cfi
…
clusterfuzz
[regalloc] Remove mid-tier register allocator
2023-11-07 15:50:01 +00:00
cppgc
[mips32] Delete mips32 from v8
2022-09-13 07:54:54 +00:00
debug_helper
[tagged-ptr] Update v8windbg to use Tagged<T>
2023-10-05 15:31:13 +00:00
dev
[build] Use gm.py in gen-static-roots.py
2024-01-09 17:28:49 +00:00
explicit-compile-hints
[explicit compile hints] Add a tool for generating the magic comment
2023-09-25 08:32:47 +00:00
gcmole
[turboshaft] Use absl containers instead of std::unordered*
2023-11-08 13:59:46 +00:00
generate_shim_headers
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
heap-layout
[tools] Add placeholder comment for analytics code
2022-08-22 12:41:18 +00:00
heap-stats
[string] Unify map/instance type names for strings
2023-07-25 07:55:02 +00:00
js
[tools] Fix parse-processor
2022-08-04 19:00:33 +00:00
jsfunfuzz
…
link_clicker.extension
…
mb
Multiple Python small fixes
2023-08-18 19:13:45 +00:00
memory
[tools] Add tools/memory/rss.py to sample RSS usage
2022-10-21 16:38:40 +00:00
msan
…
perf
…
profiling
[cfi] Remove CodePageMemoryModificationScope and write-protect flag
2023-12-19 13:42:40 +00:00
profview
[tools] Use code attribution in timeline view
2022-12-14 10:04:50 +00:00
release
[tools] Fix roll_merge_gerrit httplib2 issue
2024-01-04 11:08:28 +00:00
sanitizers
[compiler] Avoid materialising a HeapNumber for constant doubles
2024-01-05 09:50:10 +00:00
snapshot
Add target and builders for verifying deterministic mksnapshot output
2023-03-17 10:30:29 +00:00
system-analyzer
[tools] Support bigint addresses in the tickprocessor
2023-10-25 16:19:06 +00:00
testrunner
[regalloc] Remove mid-tier register allocator
2023-11-07 15:50:01 +00:00
toolchain
[mips32] Delete mips32 from v8
2022-09-13 07:54:54 +00:00
torque
[tools] Make tq format work better with clang-format
2023-08-29 14:08:34 +00:00
tracing/proto-converter
…
turbolizer
[turbolizer] Replace browser-specific CSS property
2023-11-29 08:59:25 +00:00
ubsan
Remove icu from ubsan ignore
2023-09-22 09:55:02 +00:00
unittests
Reland "[test] Stream full test schedule alongside json results"
2023-10-12 10:51:27 +00:00
v8windbg
Stop using /Zc:twoPhase- for building v8windbg
2023-10-30 13:09:24 +00:00
valgrind/asan
…
vim
Multiple Python small fixes
2023-08-18 19:13:45 +00:00
visual_studio
…
wasm
[wasm][exnref] Enable exnref spec tests
2023-11-13 13:37:41 +00:00
wasm-compilation-hints
Multiple Python small fixes
2023-08-18 19:13:45 +00:00
zone-stats
[CSA][codegen] Add BitcastElision Phase
2022-10-20 02:29:57 +00:00
__init__.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
.vpython3
[release] Add test for roll-merge-gerrit
2023-11-20 09:14:43 +00:00
adb-d8.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
android-build.sh
…
android-run.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
android-sync.sh
[test] Fix a few occurrences of "unittests" binary name
2023-03-05 19:42:12 +00:00
arguments.mjs
[tools] Support bigint addresses in the tickprocessor
2023-10-25 16:19:06 +00:00
avg.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
bash-completion.sh
[gm.py] Improve convenience of "out/foo" arguments
2023-11-29 09:53:21 +00:00
bigint-tester.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
BUILD.gn
[infra] Remove gcov configs
2023-03-17 18:07:44 +00:00
callstats_groups.py
[heap] Adjust RuntimeCallStats for GC
2023-10-26 09:07:00 +00:00
callstats-from-telemetry.sh
[tools] Improve RCS conversion tool
2023-04-27 07:41:35 +00:00
callstats.html
[heap] Adjust RuntimeCallStats for GC
2023-10-26 09:07:00 +00:00
callstats.py
[heap] Adjust RuntimeCallStats for GC
2023-10-26 09:07:00 +00:00
check-inline-includes.sh
…
check-static-initializers.sh
…
check-unused-bailouts.sh
…
check-unused-symbols.sh
…
codemap.mjs
[tools] Support bigint addresses in the tickprocessor
2023-10-25 16:19:06 +00:00
collect_deprecation_stats.sh
…
compare_torque_output.py
[v8] Migrate compare_torque_output to py3
2022-02-08 15:46:11 +00:00
compare-table-gen.js
…
consarray.mjs
…
cpu.sh
…
cross_build_gcc.sh
…
csvparser.mjs
[tools][system-analyzer] Various improvements
2022-04-08 19:46:22 +00:00
DEPS
…
detect-builtins.js
…
disasm.py
[mips32] Delete mips32 from v8
2022-09-13 07:54:54 +00:00
draw_instruction_graph.sh
…
dump-cpp.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
dumpcpp-driver.mjs
…
dumpcpp.mjs
[tools][system-analyzer] Speed up log parsing
2022-04-06 11:31:03 +00:00
eval_gc_nvp.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
eval_gc_time.sh
Remove all leftovers of store buffer
2021-11-10 09:29:41 +00:00
find_depot_tools.py
…
find-builtin
…
find-commit-for-patch.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
freebsd-tick-processor
…
fuzz-harness.sh
…
gc_nvp_common.py
[tools] Fix Python scripts for processing --trace-gc-nvp
2023-07-26 10:34:30 +00:00
gc-nvp-to-csv.py
[tools] Fix Python scripts for processing --trace-gc-nvp
2023-07-26 10:34:30 +00:00
gc-nvp-trace-processor.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
gdb-v8-support.py
Multiple Python small fixes
2023-08-18 19:13:45 +00:00
gdbinit
[tools] Add utility to disassemble code around pc
2023-05-04 16:19:26 +00:00
gen-inlining-tests.py
Multiple Python small fixes
2023-08-18 19:13:45 +00:00
gen-keywords-gen-h.py
[tools] Fix gen-keywords-gen-h.py for python3
2023-06-07 15:45:43 +00:00
gen-postmortem-metadata.py
[tagged-ptr] Introduce FLEXIBLE_ARRAY_MEMBER macro
2024-01-10 15:47:59 +00:00
gen-v8-gn.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
generate-builtins-tests.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
generate-header-include-checks.py
Make JIT work in iOS simulator
2023-02-22 15:31:35 +00:00
generate-runtime-call-stats.py
…
generate-ten-powers.scm
…
get_landmines.py
[py3] Bump get_landmines to py3
2022-04-04 11:03:36 +00:00
grokdump.py
[tools] Fix missing return in grokdump
2023-10-30 11:07:45 +00:00
heap-snapshot-processor.py
[tools] Add a script which can process the heap snapshot format
2023-06-21 13:12:02 +00:00
ic-processor
[tools] Use SFI name instead of Function or Code
2023-06-15 15:51:11 +00:00
ic-processor-driver.mjs
[tools] Do some formatting to trigger secret CQ checks
2023-09-01 18:44:20 +00:00
index.html
[tools] Fix index.html links
2022-08-29 14:14:56 +00:00
linux-tick-processor
[tools] Use SFI name instead of Function or Code
2023-06-15 15:51:11 +00:00
lldb_commands.py
[tools] Fix gdb and lldb v8::MaybeLocal printing
2023-04-06 09:42:41 +00:00
lldb_visualizers.py
Add lldb visualizer support
2024-01-09 10:24:37 +00:00
locs.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
logreader.mjs
[tools] Support bigint addresses in the tickprocessor
2023-10-25 16:19:06 +00:00
mac-nm
[tools] Profview fixes
2022-08-30 13:55:08 +00:00
mac-tick-processor
…
Makefile.tags
…
objdump-v8
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
OWNERS
[owners] Includes infra team as tools owners
2021-11-25 07:55:08 +00:00
package-lock.json
…
package.json
…
parse-processor
[tools] Use SFI name instead of Function or Code
2023-06-15 15:51:11 +00:00
parse-processor-driver.mjs
…
parse-processor.html
[tools] Add placeholder comment for analytics code
2022-08-22 12:41:18 +00:00
parse-processor.mjs
[tools] Fix parse-processor
2022-08-04 19:00:33 +00:00
perf-compare.py
Multiple Python small fixes
2023-08-18 19:13:45 +00:00
predictable_wrapper.py
[tools] Clean up predictable wrapper py2 code
2022-07-18 07:38:42 +00:00
PRESUBMIT.py
[builtins][pgo] Add helper script to interact with PGO profile bucket
2023-01-12 14:16:16 +00:00
process-wasm-compilation-times.py
[liftoff] Use constant offsets in array.new_fixed
2023-02-27 17:48:45 +00:00
profile_view.js
…
profile_view.mjs
…
profile.mjs
[tools] Support bigint addresses in the tickprocessor
2023-10-25 16:19:06 +00:00
README.md
…
regexp-sequences.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
run_perf.py
Reland "[test] Stream full test schedule alongside json results"
2023-10-12 10:51:27 +00:00
run-clang-tidy.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
run-num-fuzzer.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
run-tests.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
run-wasm-api-tests.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
run.py
[tools] Switch script wrapper to Py3
2022-04-04 14:13:17 +00:00
shell-utils.h
Remove remaining uses of byte
2023-06-13 11:11:04 +00:00
sourcemap.mjs
[tools][system-analyzer] Add profiler-panel
2022-04-26 17:57:03 +00:00
splaytree.mjs
[tools] Improve system analyzer
2022-03-02 13:41:32 +00:00
stats-viewer.py
[infra] Change all Python shebangs to Python3
2022-08-05 14:55:00 +00:00
test262-results-parser.js
…
tickprocessor-driver.mjs
[tools] Do some formatting to trigger secret CQ checks
2023-09-01 18:44:20 +00:00
tickprocessor.mjs
[tools] Support bigint addresses in the tickprocessor
2023-10-25 16:19:06 +00:00
try_perf.py
[perf] Update arm64 performance bots to pixel4
2023-06-12 11:56:37 +00:00
turbolizer-perf.py
…
update-object-macros-undef.py
…
v8_presubmit.py
Report presubmit checks to resultdb
2023-09-07 16:36:55 +00:00
whitespace.txt
Whitespace change to test roll patching
2023-11-22 17:49:58 +00:00
windbg.js
[test] Fix a few occurrences of "unittests" binary name
2023-03-05 19:42:12 +00:00
windows-tick-processor.bat
…
wpr.wprp
…

README.md

TOOLS

This directory contains debugging and investigation tools for V8.

The contents are regularly mirrored to http://v8.dev/tools.

Local Development

For local development you have to start a local webserver under http://localhost:8000:

  cd tools/;
  npm install;
  ws;

Local Symbol Server

The system-analyzer can symbolize profiles for local binaries by running a local symbol server

  cd tools/;
  ws --stack system-analyzer/lws-middleware.js lws-static cors;

Note that the local symbol server will run nm and objdump and has access to your files.