This patchset is a rebase/merged version of the following 3 patchsets:
1): [PATCH v10 0/5] Improve stack unwind on ppc64 [1]
2): [PATCH 0/5] x86_64 gdb stack unwinding support [2]
3): Clean up on top of one-thread-v2 [3]
A complete description of gdb stack unwinding support for crash can be
found in [1].
This patchset can be divided into the following 2 parts:
1) part1: arch independent, mainly modify on the
crash_target.c/gdb_interface.c files, in preparation of the
gdb side.
2) part2: arch specific part, for implementing ppc64/x86_64/arm64 gdb
stack unwinding support.
=== part 2
arm64: Add gdb stack unwinding support
Fix cpumask_t recursive dependence issue
Parse stack by inactive_stack_frame priorily if the struct is valid
x86_64: Add gdb stack unwinding support
ppc64: correct gdb passthroughs by implementing machdep->get_cpu_reg
=== part 1
Stop stack unwinding at non-kernel address
Fix gdb_interface: restore gdb's output streams at end of gdb_interface
Print task pid/command instead of CPU index
Rename get_cpu_reg to get_current_task_reg
Let crash change gdb context
Leave only one gdb thread for crash
Remove 'frame' from prohibited commands list
===
[1]: https://www.mail-archive.com/devel@xxxxxxxxxxxxxxxxxxxxxxxxxxx/msg00469.html
[2]: https://www.mail-archive.com/devel@xxxxxxxxxxxxxxxxxxxxxxxxxxx/msg00488.html
[3]: https://www.mail-archive.com/devel@xxxxxxxxxxxxxxxxxxxxxxxxxxx/msg00554.html
Aditya Gupta (3):
Remove 'frame' from prohibited commands list
Fix gdb_interface: restore gdb's output streams at end of
gdb_interface
ppc64: correct gdb passthroughs by implementing machdep->get_cpu_reg
Tao Liu (9):
Leave only one gdb thread for crash
Let crash change gdb context
Rename get_cpu_reg to get_current_task_reg
Print task pid/command instead of CPU index
Stop stack unwinding at non-kernel address
x86_64: Add gdb stack unwinding support
Parse stack by inactive_stack_frame priorily if the struct is valid
Fix cpumask_t recursive dependence issue
arm64: Add gdb stack unwinding support
arm64.c | 114 ++++++++++++++++++-
crash_target.c | 47 +++++---
defs.h | 187 ++++++++++++++++++++++++++++++-
gdb-10.2.patch | 79 +++++++++++++
gdb_interface.c | 33 ++----
kernel.c | 61 ++++++++--
ppc64.c | 163 +++++++++++++++++++++++++--
task.c | 30 +++--
tools.c | 8 +-
x86_64.c | 290 +++++++++++++++++++++++++++++++++++++++++++-----
10 files changed, 907 insertions(+), 105 deletions(-)
--
2.40.1
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