3297ccca23
This CL changes debug breaks that are triggered via interrupts (i.e. via stack check). One client of this behavior is the `Debugger.pause` CDP method. The problem is that when we pause so early, the JSFunction didn't have time yet to create and push it's context. This requires special handling in the ScopeIterator and makes an upcoming change unnecessary complex. Another (minor) problem is that local debug-evaluate can't change context-allocated local variables (see changed regression bug). Since the context is not yet created and pushed, variables are written to the DebugEvaluateContext that goes away after the evaluation. The solution is to mirror what `BreakOnNextFunction` does. Instead of staying paused in the middle of the function entry, we trigger a "step in" and pause at the first valid breakable position instead. This ensures that the function context is already created and pushed. Note that we do this only in case for JSFunctions. In all other cases we keep the existing behavior and stay paused in the entry. R=jgruber@chromium.org Fixed: chromium:1246907 Change-Id: I0cd8ae6e049a3b55bdd44858e769682a1ca47064 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3854501 Reviewed-by: Jakob Linke <jgruber@chromium.org> Commit-Queue: Simon Zünd <szuend@chromium.org> Cr-Commit-Position: refs/heads/main@{#82817} |
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| bugs | ||
| debug | ||
| protocol | ||
| regress | ||
| wrapper | ||
| BUILD.gn | ||
| debugger.status | ||
| OWNERS | ||
| test-api.js | ||
| testcfg.py | ||