Bug 59913 - Implementation of get_win32_restore_stack is not full AOT friendly.
Summary: Implementation of get_win32_restore_stack is not full AOT friendly.
Status: NEW
Alias: None
Product: Runtime
Classification: Mono
Component: AOT (show other bugs)
Version: master
Hardware: PC Windows
: --- normal
Target Milestone: ---
Assignee: Bugzilla
URL:
Depends on:
Blocks:
 
Reported: 2017-10-03 12:42 UTC by johan.lorensson
Modified: 2017-10-03 15:14 UTC (History)
2 users (show)

Tags:
Is this bug a regression?: ---
Last known good build:

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Status:
NEW

Description johan.lorensson 2017-10-03 12:42:30 UTC
The following commit introduced stack overflow exception handling on Windows x64:

https://github.com/mono/mono/commit/4a20e930afc89aba911f43fb14cce2feeeab65cc

The problem is that this commit is not full AOT compliant, so currenlty it is not possible to run any full AOT compiled code. Needs to be fixed using a trampoline in AOT image (similar to other exception handling methods). The emitted code also needs to work in the full AOT use case, so smaller adjustments are needed there as well. Quick fix is to disable the code on x64 when running full AOT.
Comment 1 johan.lorensson 2017-10-03 15:14:51 UTC
Possible workaround until we have a proper full AOT fix:

https://github.com/mono/mono/pull/5693