How to debug the v8 src code by exec `tools/run-tests.py --outdir out.gn/x64.debug`

[Early]

Hi,I want to debug the v8 src code while runing the `tools/run-tests.py --outdir out.gn/x64.debug`.

So, is there any way to help me to pause on a breakpoint which was set on a cc file in v8/src, when I run the `tools/run-tests.py --outdir out.gn/x64.debug`?

[Jakob Kummerow]

There's no existing support for this. Pausing on breakpoints requires running in a debugger, which run-tests.py doesn't implement.

As a workaround, you could put an UNREACHABLE() into the source where you'd want to break and then run the test suite. run-tests.py will then print the command line for any failing test(s), which you can use to run that test in isolation within your debugger (after removing the UNREACHABLE() again).

Hope this helps,

Jakob

On Mon, Apr 10, 2017 at 10:31 AM, Early <zjc...@gmail.com> wrote:

Hi,I want to debug the v8 src code while runing the `tools/run-tests.py --outdir out.gn/x64.debug`.

So, is there any way to help me to pause on a breakpoint which was set on a cc file in v8/src, when I run the `tools/run-tests.py --outdir out.gn/x64.debug`?

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