diff options
| author | Jan Willeke <willeke@de.ibm.com> | 2014-09-22 16:39:06 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-09-25 10:52:17 +0200 |
| commit | 2a0a5b2299b9bef76123fac91e68d39cb361c33e (patch) | |
| tree | fa8872070bf295dbbc57e7063db6e6baf739f543 /arch/s390/kernel/ptrace.c | |
| parent | 975fab17399a2b29985166181ad80e5f50fa42e9 (diff) | |
| download | linux-2a0a5b2299b9bef76123fac91e68d39cb361c33e.tar.bz2 | |
s390/uprobes: architecture backend for uprobes
Signed-off-by: Jan Willeke <willeke@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/ptrace.c')
| -rw-r--r-- | arch/s390/kernel/ptrace.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 5dc7ad9e2fbf..fe99d6b3f185 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -84,7 +84,8 @@ void update_cr_regs(struct task_struct *task) new.end = thread->per_user.end; /* merge TIF_SINGLE_STEP into user specified PER registers. */ - if (test_tsk_thread_flag(task, TIF_SINGLE_STEP)) { + if (test_tsk_thread_flag(task, TIF_SINGLE_STEP) || + test_tsk_thread_flag(task, TIF_UPROBE_SINGLESTEP)) { if (test_tsk_thread_flag(task, TIF_BLOCK_STEP)) new.control |= PER_EVENT_BRANCH; else @@ -93,6 +94,8 @@ void update_cr_regs(struct task_struct *task) new.control |= PER_CONTROL_SUSPENSION; new.control |= PER_EVENT_TRANSACTION_END; #endif + if (test_tsk_thread_flag(task, TIF_UPROBE_SINGLESTEP)) + new.control |= PER_EVENT_IFETCH; new.start = 0; new.end = PSW_ADDR_INSN; } |