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Differential D12293

Add a NT_ARM_VFP ELF core note to hold VFP registers for each thread.
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Authored by jhb on Sep 9 2017, 2:36 PM.
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emaste
ARM

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stevek
mmel
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rS323584: Add a NT_ARM_VFP ELF core note to hold VFP registers for each thread.
Summary

The core note matches the format and layout of NT_ARM_VFP on Linux.
Debuggers use the AT_HWCAP flags to determine how many VFP registers
are actually used and their format.

Test Plan

This is part of a series to use VFP registers in gdb on armv7.

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Repository
rS FreeBSD src repository - subversion
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Event Timeline

jhb created this revision.Sep 9 2017, 2:36 PM
Harbormaster completed remote builds in B11453: Diff 32849.Sep 9 2017, 2:36 PM
jhb added a parent revision: D12292: Only mess with VFP state on the CPU for curthread for get/set_vfpcontext..Sep 9 2017, 2:36 PM
jhb added a child revision: D12294: Add ptrace operations to fetch and store VFP registers..
emaste added a subscriber: emaste.Sep 9 2017, 2:40 PM
stevek added a reviewer: stevek.Sep 9 2017, 3:16 PM
mmel accepted this revision.Sep 10 2017, 5:34 AM
This revision is now accepted and ready to land.Sep 10 2017, 5:34 AM
jhb removed a child revision: D12294: Add ptrace operations to fetch and store VFP registers..Sep 12 2017, 7:44 PM
jhb added a parent revision: D12294: Add ptrace operations to fetch and store VFP registers..
jhb updated this revision to Diff 32987.Sep 12 2017, 7:47 PM
  • Add NT_ARM_VFP support to gcore.
This revision now requires review to proceed.Sep 12 2017, 7:47 PM
Harbormaster completed remote builds in B11528: Diff 32987.Sep 12 2017, 7:47 PM
Closed by commit rS323584: Add a NT_ARM_VFP ELF core note to hold VFP registers for each thread. (authored by jhb). · Explain WhySep 14 2017, 3:08 PM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathSize
head/
sys/
arm/
arm/
17 lines
sys/
1 line
usr.bin/
gcore/
31 lines

Diff 33072

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head/sys/arm/arm/elf_machdep.c

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head/sys/sys/elf_common.h

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head/usr.bin/gcore/elfcore.c

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