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[mono] catch the case of updated methods in mono_debug_lookup_source_location #94540

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merged 5 commits into from
Nov 12, 2023
Merged

[mono] catch the case of updated methods in mono_debug_lookup_source_location #94540

merged 5 commits into from
Nov 12, 2023

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@lambdageek lambdageek commented Nov 8, 2023 •
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If a newly added method is in a stack trace, look it up in the EnC debug information, if available.

Related to #93860

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Issue Details

If a newly added method is in a stack trace, look it up in the EnC debug information, if available.

Related to #93860

TODO:

  • Add a variant of the test where we apply the update without a PDB delta (needs test infrastructure fixup)
  • Add debugger tests
Author: lambdageek
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area-Diagnostics-coreclr
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@lambdageek lambdageek added area-EnC-mono Hot Reload for WebAssembly, iOS/Android, etc and removed area-Diagnostics-coreclr labels Nov 8, 2023
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I think I also need to update mono_debug_lookup_source_location_by_il, and figure out how to make a test get in there

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Actually I think mono_debug_lookup_source_location_by_il doesn't need an update (or at least it's not obvious to me that it is useful).

It's called from 3 places:

  1. From mono_get_frame_info if il_offset != -1 - but as far as I can tell il_offset is never set to anything else. That branch is dead code.
  2. From mono_emit_jit_dump but that's support for profiling, which isn't something we support with hot reload.

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/backport to release/8.0-staging

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Started backporting to release/8.0-staging: https://github.com/dotnet/runtime/actions/runs/6828799602

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@lambdageek @thaystg
add debugger test
6967b79 
Co-Authored-By: Thays Grazia <thaystg@gmail.com>
This was referenced Nov 11, 2023
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/backport to release/8.0-staging

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Started backporting to release/8.0-staging: https://github.com/dotnet/runtime/actions/runs/6843025042

@lambdageek lambdageek merged commit 38463e2 into dotnet:main Nov 12, 2023
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lambdageek added a commit that referenced this pull request Nov 13, 2023
@github-actions @lambdageek @thaystg
[release/8.0-staging] [mono] catch the case of updated methods in mon…
0087f0b 
…o_debug_lookup_source_location (#94612)

Backport of #94540 to release/8.0-staging

If a newly added method is in a stack trace, look it up in the EnC debug information, if available.

Related to #93860

* Add new crashing test

* [mono] catch the case of updated methods in mono_debug_lookup_source_location

Co-authored-by: Aleksey Kliger <alklig@microsoft.com>
Co-authored-by: Thays Grazia <thaystg@gmail.com>
jeromelaban added a commit to unoplatform/Uno.DotnetRuntime.WebAssembly that referenced this pull request Nov 14, 2023
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Merge pull request #140 from unoplatform/dev/jela/pr-94540
5708d38 
fix: Apply patch for dotnet/runtime#94540
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@vargaz vargaz vargaz approved these changes

@thaystg thaystg Awaiting requested review from thaystg thaystg is a code owner

@radical radical Awaiting requested review from radical

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