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    SubjectRe: [PATCH V10 17/28] selftests, powerpc: Add ptrace tests for EBB
    On 03/02/2016 06:02 AM, Cyril Bur wrote:
    > On Tue, 16 Feb 2016 14:29:47 +0530
    > Anshuman Khandual <khandual@linux.vnet.ibm.com> wrote:
    >
    >> This patch adds ptrace interface test for EBB specific
    >> registers. This also adds some generic ptrace interface
    >> based helper functions to be used by other patches later
    >> on in the series.
    >>
    >> Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
    >> ---
    >> tools/testing/selftests/powerpc/Makefile | 3 +-
    >> tools/testing/selftests/powerpc/ptrace/Makefile | 7 +
    >> .../testing/selftests/powerpc/ptrace/ptrace-ebb.c | 150 ++++++++++++++
    >> .../testing/selftests/powerpc/ptrace/ptrace-ebb.h | 103 ++++++++++
    >> tools/testing/selftests/powerpc/ptrace/ptrace.h | 225 +++++++++++++++++++++
    >> 5 files changed, 487 insertions(+), 1 deletion(-)
    >> create mode 100644 tools/testing/selftests/powerpc/ptrace/Makefile
    >> create mode 100644 tools/testing/selftests/powerpc/ptrace/ptrace-ebb.c
    >> create mode 100644 tools/testing/selftests/powerpc/ptrace/ptrace-ebb.h
    >> create mode 100644 tools/testing/selftests/powerpc/ptrace/ptrace.h
    >>
    >> diff --git a/tools/testing/selftests/powerpc/Makefile b/tools/testing/selftests/powerpc/Makefile
    >> index 0c2706b..5b3c62c 100644
    >> --- a/tools/testing/selftests/powerpc/Makefile
    >> +++ b/tools/testing/selftests/powerpc/Makefile
    >> @@ -22,7 +22,8 @@ SUB_DIRS = benchmarks \
    >> switch_endian \
    >> syscalls \
    >> tm \
    >> - vphn
    >> + vphn \
    >> + ptrace
    >>
    >> endif
    >>
    >> diff --git a/tools/testing/selftests/powerpc/ptrace/Makefile b/tools/testing/selftests/powerpc/ptrace/Makefile
    >> new file mode 100644
    >> index 0000000..8666ac0
    >> --- /dev/null
    >> +++ b/tools/testing/selftests/powerpc/ptrace/Makefile
    >> @@ -0,0 +1,7 @@
    >> +TEST_PROGS := ptrace-ebb
    >> +all: $(TEST_PROGS)
    >> +
    >> +$(TEST_PROGS): ../harness.c ptrace.S ../utils.c
    >> +ptrace-ebb: ../pmu/event.c ../pmu/lib.c ../pmu/ebb/ebb_handler.S ../pmu/ebb/busy_loop.S
    >> +clean:
    >> + rm -f $(TEST_PROGS) *.o
    >
    > If you:
    > include ../../lib.mk
    >
    > Then this Makefile just works with run_tests and install targets from the
    > base Makefile

    Sure, will do that.

    >
    >> diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-ebb.c b/tools/testing/selftests/powerpc/ptrace/ptrace-ebb.c
    >> new file mode 100644
    >> index 0000000..e1ca608
    >> --- /dev/null
    >> +++ b/tools/testing/selftests/powerpc/ptrace/ptrace-ebb.c
    >> @@ -0,0 +1,150 @@
    >> +/*
    >> + * Ptrace interface test for EBB
    >> + *
    >> + * Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
    >> + *
    >> + * This program is free software; you can redistribute it and/or
    >> + * modify it under the terms of the GNU General Public License
    >> + * as published by the Free Software Foundation; either version
    >> + * 2 of the License, or (at your option) any later version.
    >> + */
    >> +#include "../pmu/ebb/ebb.h"
    >> +#include "ptrace.h"
    >> +#include "ptrace-ebb.h"
    >> +
    >
    > Check out tools/testing/selftests/powerpc/utils.h which provides a nice (and
    > super hacky) FAIL_IF() macro.

    Sure, will check it out and see where all it can be used.

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