Use PCB/LR from PCB rather from stack on armv7-gdb
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Authored by wma_semihalf.com on Oct 27 2015, 10:51 AM.

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emaste

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kib
zbb
jhb
imp
• ian

Commits

rS290193: Use PCB/LR from PCB rather from stack on armv7-gdb

Summary

The kernel dump does not store these values on the stack. Use PCB structure to resolve PC and LR properly.
This changes fixes "bt" command when using KGDB+vmcore for kernel debugging.

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rS FreeBSD src repository - subversion

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wma_semihalf.com updated this revision to Diff 9731.Oct 27 2015, 10:51 AM

wma_semihalf.com retitled this revision from to Use PCB/LR from PCB rather from stack on armv7-gdb.

wma_semihalf.com updated this object.

wma_semihalf.com edited the test plan for this revision. (Show Details)

wma_semihalf.com added reviewers: imp, zbb, • ian, kib, jhb.

Herald added a subscriber: emaste. · View Herald TranscriptOct 27 2015, 10:51 AM

Nice!

This revision is now accepted and ready to land.Oct 27 2015, 4:14 PM

kib accepted this revision.Oct 28 2015, 10:49 AM

kib edited edge metadata.

Closed by commit rS290193: Use PCB/LR from PCB rather from stack on armv7-gdb (authored by zbb). · Explain WhyOct 30 2015, 12:37 PM

This revision was automatically updated to reflect the committed changes.

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head/

gnu/

usr.bin/

gdb/

kgdb/

trgt_arm.c

10 lines

Diff 9820

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head/gnu/usr.bin/gdb/kgdb/trgt_arm.c

Use PCB/LR from PCB rather from stack on armv7-gdbClosedPublicActions