MIT/GNU Scheme - Bugs: bug #27932, liarc's interrupt checks include...

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bug #27932: liarc's interrupt checks include only heap checks, not stack checks

Submitter:	Taylor R. Campbell <riastradh>
Submitted:	Wed 04 Nov 2009 03:54:35 AM UTC


Category:	microcode	Severity:	3 - Normal
Priority:	5 - Normal	Item Group:	Incorrect behavior
Status:	Ready For Test	Privacy:	Public
Assigned to:	None	Originator Name:
Open/Closed:	Open
Keywords:

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Mon 09 Nov 2009 02:50:39 PM UTC, comment #1:

Should be fixed in commit 6caf4924120b9832d6494e07834ac402f442e92e.

Taylor R. Campbell <riastradh>

Wed 04 Nov 2009 03:54:35 AM UTC, original submission:

This causes runaway recursions to make Scheme explode, rather than reporting stack overflows. The quick fix is to add a stack check to INTERRUPT_CHECK in microcode/liarc.h; the not so quick fix is to use compiler/back/checks.scm in the C back end and do interrupt, heap, and stack checks more precisely where they are needed like in the i386 and x86-64 back ends.

Taylor R. Campbell <riastradh>

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

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Date	Changed by	Updated Field	Previous Value	=>	Replaced by
2009-11-09	riastradh	Status	None		Ready For Test

MIT/GNU Scheme - Bugs: bug #27932, liarc's interrupt checks include...

bug #27932: liarc's interrupt checks include only heap checks, not stack checks

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