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Bug #3493

open

Extra registers in SPARCv9 sendsig never used

Added by David Höppner about 10 years ago. Updated about 10 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
kernel
Start date:
2013-01-21
Due date:
% Done:

0%

Estimated time:
Difficulty:
Bite-size
Tags:
needs-triage
Gerrit CR:
External Bug:

Description

While working on AVX userland support i noticed that
sendsig for SPARCv9 never sets xregs_size. Because
xregs_size is always 0 the extra registers are never added
to the stackframe.

xregs_size = xregs_getsize(p); should be inserted.

http://src.illumos.org/source/xref/illumos-gate/usr/src/uts/sparc/v9/os/v9dep.c#956

I have no hardware to confirm or test this.

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