selftests/powerpc/ptrace: Update ptrace-perf watchpoint selftest

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Now that ptrace and perf are no longer exclusive, update the
test to exercise interesting interactions.

An assembly file is used for the children to allow precise instruction
choice and addresses, while avoiding any compiler quirks.

Signed-off-by: Benjamin Gray <bgray@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230801011744.153973-7-bgray@linux.ibm.com

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Benjamin Gray 2023-08-01 11:17:43 +10:00 • committed by Michael Ellerman

parent bd29813ae1

commit 58709f6fc3

3 changed files with 368 additions and 548 deletions

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1

tools/testing/selftests/powerpc/ptrace/Makefile

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33

tools/testing/selftests/powerpc/ptrace/ptrace-perf-asm.S

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984

tools/testing/selftests/powerpc/ptrace/ptrace-perf-hwbreak.c

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