build: enable V8 gdb/lldb plugin support - #65786
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Build `v8_debug_helper.{so|dylib}` to enable V8 gdb/lldb postmortem
plugin support for the V8 version that Node.js built with.
Signed-off-by: Chengzhong Wu <cwu631@bloomberg.net>
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richardlau
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joyeecheung
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LGTM. FWIW I had tested this commit joyeecheung@e280b0e a while back which disables it if the V8 is not bundled (in which case we don't know if it's compatible). I plan to add some version matching mechanism similar to Windbg to ensure that there is some compatibility check. IIRC as early as 15.3 we already had a "ABI" breaking change.
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Build
libv8_debug_helper.{so|dylib}to enable V8 gdb/lldb postmortemplugin support for the V8 version that Node.js built with.
The built debug helper library can be loaded with this V8 gdb/lldb
https://chromium.googlesource.com/v8/v8.git/+/refs/heads/main/tools/debug_helper/plugins/
plugin.