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Subject[RFC PATCH 0/2] rseq/selftests: debugger single-stepping helper sections
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Hi,

Those RFC patches improves the rseq selftests to properly expose data
sections helping debuggers to step over rseq critical sections.

* Add a new __rseq_exit_point_array section describing all rseq critical
section exit points so debuggers can properly step over those. This is
based on discussions with gdb and DynamoRIO developers.

* The __rseq_table section contains structures that are aligned on 32
bytes, and in some cases the entries may not be aligned with the
beginning of the section. Rename this section to __rseq_cs, and create
a new __rseq_cs_ptr_array section containing packed 64-bit pointers to
those __rseq_cs entries.

Thanks,

Mathieu


Mathieu Desnoyers (2):
rseq/selftests: Add __rseq_exit_point_array section for debuggers
rseq/selftests: Introduce __rseq_cs_ptr_array, rename __rseq_table to
__rseq_cs

tools/testing/selftests/rseq/rseq-arm.h | 80 +++++++++++++++++++----
tools/testing/selftests/rseq/rseq-arm64.h | 57 +++++++++++++++-
tools/testing/selftests/rseq/rseq-mips.h | 81 +++++++++++++++++++----
tools/testing/selftests/rseq/rseq-ppc.h | 80 +++++++++++++++++++++--
tools/testing/selftests/rseq/rseq-s390.h | 65 +++++++++++++++++-
tools/testing/selftests/rseq/rseq-x86.h | 105 +++++++++++++++++++++++++++++-
6 files changed, 435 insertions(+), 33 deletions(-)

--
2.11.0

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