diff options
| author |   Ravi Bangoria <ravi.bangoria@linux.ibm.com> | 2021-04-12 16:52:15 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2021-04-23 01:38:03 +1000 |
| commit | dae4ff8031b49af4721101d6298fc14cb9c16a4c (patch) | |
| tree | 81f0fff0cb50f8a09dc89768c3abfee2685e01a5 /tools/testing/selftests/powerpc/ptrace/perf-hwbreak.c | |
| parent | powerpc/configs: Add IBMVNIC to some 64-bit configs (diff) | |
| download | linux-dev-dae4ff8031b49af4721101d6298fc14cb9c16a4c.tar.xz linux-dev-dae4ff8031b49af4721101d6298fc14cb9c16a4c.zip | |
powerpc/selftests/ptrace-hwbreak: Add testcases for 2nd DAWR
Message-ID: <20210412112218.128183-2-ravi.bangoria@linux.ibm.com> (raw)
Add selftests to test multiple active DAWRs with ptrace interface.
Sample o/p:
$ ./ptrace-hwbreak
...
PPC_PTRACE_SETHWDEBUG 2, MODE_RANGE, DW ALIGNED, WO, len: 6: Ok
PPC_PTRACE_SETHWDEBUG 2, MODE_RANGE, DW UNALIGNED, RO, len: 6: Ok
PPC_PTRACE_SETHWDEBUG 2, MODE_RANGE, DAWR Overlap, WO, len: 6: Ok
PPC_PTRACE_SETHWDEBUG 2, MODE_RANGE, DAWR Overlap, RO, len: 6: Ok
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Reviewed-by: Daniel Axtens <dja@axtens.net>
[mpe: Fix build on older distros]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to '')
| -rw-r--r-- | tools/testing/selftests/powerpc/ptrace/perf-hwbreak.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/ptrace/perf-hwbreak.c b/tools/testing/selftests/powerpc/ptrace/perf-hwbreak.c index c1f324afdbf3..9ccf252d4b13 100644 --- a/tools/testing/selftests/powerpc/ptrace/perf-hwbreak.c +++ b/tools/testing/selftests/powerpc/ptrace/perf-hwbreak.c @@ -30,6 +30,10 @@ #include <linux/hw_breakpoint.h> #include "utils.h" +#ifndef PPC_DEBUG_FEATURE_DATA_BP_ARCH_31 +#define PPC_DEBUG_FEATURE_DATA_BP_ARCH_31 0x20 +#endif + #define MAX_LOOPS 10000 #define DAWR_LENGTH_MAX ((0x3f + 1) * 8) |