Differential D23844

Bring in various kgdb fixes for powerpc.
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Authored by jhb on Feb 26 2020, 7:02 PM.

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rP527234: Bring in various kgdb fixes for powerpc.

Summary

This merges in several fixes for kgdb on powerpc including fixing
backtraces and cross-debugging support.

Submitted by: luporl

Test Plan

poudriere bulk on stable/12 amd64

Diff Detail

Repository

rP FreeBSD ports repository

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Event Timeline

jhb created this revision.Feb 26 2020, 7:02 PM

Herald added subscribers: mat, emaste. · View Herald TranscriptFeb 26 2020, 7:02 PM

Harbormaster completed remote builds in B29626: Diff 68849.Feb 26 2020, 7:02 PM

I know GDB 9 is released and I have a branch of kgdb based on the 9.x branch but wanted to get these in first before doing a patch to update to 9.1.

The arm change is just a compiler warning fix for an unused variable.

devel/gdb/Makefile
33 ↗	(On Diff #68849)	Oops, we don't need this bit (though it doesn't hurt).

pizzamig added inline comments.Feb 26 2020, 9:06 PM

devel/gdb/Makefile
33 ↗	(On Diff #68849)	actually it hurts. Can you please revert it? PREFIX is the prefix for the ports. This setting is designed for the base. Practically, we are moving the debug dir from /usr/lib/debug , where the base's debug symbols are stored to /usr/local/lib/debug that do not exist.

pizzamig added inline comments.Feb 26 2020, 9:11 PM

devel/gdb/Makefile
33 ↗	(On Diff #68849)	ups, sorry, I'm wrong, you're adding it, not changing it. Good to me

Please commit it

This revision is now accepted and ready to land.Feb 26 2020, 9:26 PM

Closed by commit rP527234: Bring in various kgdb fixes for powerpc. (authored by jhb). · Explain WhyFeb 27 2020, 1:01 AM

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rP527234: Bring in various kgdb fixes for powerpc..

luporl mentioned this in D21946: [PPC] Fix kgdb symbol resolution.Feb 27 2020, 12:30 PM

luporl mentioned this in D22761: [PPC] Fix register context fetch from pcb.

Revision Contents
Changeset List

Path

Size

head/

devel/

gdb/

1 line

files/

extrapatch-kgdb

86 lines

kgdb/

arm-fbsd-kern.c

2 lines

22 lines

78 lines

Diff 68865

head/devel/gdb/Makefile

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head/devel/gdb/files/extrapatch-kgdb

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head/devel/gdb/files/kgdb/arm-fbsd-kern.c

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head/devel/gdb/files/kgdb/fbsd-kvm.c

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head/devel/gdb/files/kgdb/ppcfbsd-kern.c

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