Implement `ExceptionHandling.SetFatalErrorHandler` - #129543

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AaronRobinsonMSFT wants to merge 56 commits into

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AaronRobinsonMSFT:set-fatal-error-handler

Commits on Jun 17, 2026

Implement SetFatalErrorHandler for NativeAOT

AaronRobinsonMSFT
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180c0b1
Implement SetFatalErrorHandler for CoreCLR

AaronRobinsonMSFT
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fc2fd84
Apply suggestions from code review

AaronRobinsonMSFT
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9e102dd
Use _exit() for SkipDefaultHandler on Unix

AaronRobinsonMSFT
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0da0fa6
Add using declaration for Process in test

AaronRobinsonMSFT
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01fe291
Simplify test process launch with Process.RunAndCaptureText

AaronRobinsonMSFT
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fd85bf0

Commits on Jun 18, 2026

Address PR feedback: use _Exit, fix IsCrashExitCode, suppress warning

AaronRobinsonMSFT
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1c4d60c
Fix handler invocation on Windows and exclude Mono

AaronRobinsonMSFT
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e27a586
Address PR feedback: UTF-8 crash log, exit code checks, truncation fix

AaronRobinsonMSFT
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e6eec0a

Commits on Jun 19, 2026

Merge remote-tracking branch 'upstream/main' into set-fatal-error-handler
AaronRobinsonMSFT
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6965928
Replace managed test handlers with native C++ library

AaronRobinsonMSFT
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6249ab4
Potential fix for pull request finding

AaronRobinsonMSFT
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05e0539

Commits on Jun 23, 2026

Move crash log writer abstraction into eepolicy.cpp

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d48a54e
Fix HandleFatalStackOverflow: invoke handler after stack trace

AaronRobinsonMSFT
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88d4857

Commits on Jun 24, 2026

Remove unused SystemNative__Exit entrypoint

AaronRobinsonMSFT
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6b1848b
Address PR review feedback

AaronRobinsonMSFT
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58f269d

Commits on Jun 25, 2026

Populate FatalErrorInfo with native exception pointers on Unix

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8a47f90
Move fatal error handler to C++ static with QCall registration

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9f69d40
Simplify InvokeFatalErrorHandler to direct call

AaronRobinsonMSFT
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a9d2d1c
Address PR feedback: fix QCall return type, PAL decorators, remove dead code

AaronRobinsonMSFT
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3b40c8c

Commits on Jun 26, 2026

Route stack trace through CrashInfoWriter for callback support

AaronRobinsonMSFT
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d798770

Commits on Jun 30, 2026

Surface native exception info/context to the fatal error handler on macOS

AaronRobinsonMSFT
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83a87c4

Commits on Jul 6, 2026

Refactor fatal error property storage into common core + platform module

AaronRobinsonMSFT
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56ce69a

Commits on Jul 7, 2026

Fix duplicate crash log and stack-overflow header in fatal error path

AaronRobinsonMSFT
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790b319
Store hardware-exception records per-fault to survive nested faults

AaronRobinsonMSFT
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a65444a
Align hardware-exception records within the per-fault buffer

AaronRobinsonMSFT
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ad36176
Use InlineArray16 for crash log fragment storage

AaronRobinsonMSFT
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9ab5194

Commits on Jul 8, 2026

Address PR review feedback

AaronRobinsonMSFT
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5ec609f
Clarify comment on FatalErrorPropertyGetter regarding ownership of data
AaronRobinsonMSFT
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baa5e41
Address PR review feedback

AaronRobinsonMSFT
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Copilot
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9a074eb

Commits on Jul 9, 2026

Merge remote-tracking branch 'upstream/main' into set-fatal-error-handler
AaronRobinsonMSFT
committed
2abb2df
Address PR review feedback

AaronRobinsonMSFT
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Copilot
committed
a3ce5f0

Commits on Jul 10, 2026

Stage 1: surface fault IP to fatal error handler (managed path)

AaronRobinsonMSFT
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01e4dc1
Stage 2: route genuinely-unmanaged fatal faults to the fatal error handler (NativeAOT Unix)

AaronRobinsonMSFT
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323a39f
Stage 2: route genuinely-unmanaged fatal faults to the fatal error handler (NativeAOT Windows)

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9e1739e
WIP
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401175a

Commits on Jul 12, 2026

Merge branch 'main' into set-fatal-error-handler
AaronRobinsonMSFT
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f28cd9f

Commits on Jul 13, 2026

Address review feedback: synchronize native fatal handler pointer, portable function-pointer cast, resx ordering

AaronRobinsonMSFT
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Copilot
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e011455

Commits on Jul 17, 2026

Enhance comments in fatal error handling to clarify encoder behavior and output emission during stack overflow
AaronRobinsonMSFT
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3b16843

Commits on Jul 20, 2026

Refactor crash log handling to use a single managed string, improving memory efficiency and eliminating truncation risks
AaronRobinsonMSFT
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1a608d4

Commits on Jul 24, 2026

Commits on Jul 27, 2026

Install fatal error handling header
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2fa3051
Make C compliant
AaronRobinsonMSFT
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cd46bf2

Commits on Jul 29, 2026

Handle native fatal exceptions in CoreCLR
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5871c68

Commits on Jul 30, 2026

Invoke fatal error handler for SIGABRT
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46a4925

Commits on Aug 3, 2026

Invoke NativeAOT fatal handlers from native code
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5bd6d69

Commits on Aug 4, 2026

Commits on Aug 6, 2026

Update README.md for clarity and formatting improvements
AaronRobinsonMSFT
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ec3ae8e
Merge remote-tracking branch 'upstream/main' into set-fatal-error-handler
AaronRobinsonMSFT
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0a99673
Bad merge.
AaronRobinsonMSFT
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cbd3c88