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| 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/entry64.S | |
| parent | 975fab17399a2b29985166181ad80e5f50fa42e9 (diff) | |
| download | talos-obmc-linux-2a0a5b2299b9bef76123fac91e68d39cb361c33e.tar.gz talos-obmc-linux-2a0a5b2299b9bef76123fac91e68d39cb361c33e.zip | |
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/entry64.S')
| -rw-r--r-- | arch/s390/kernel/entry64.S | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index f2e674c702e1..7b2e03afd017 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -42,7 +42,8 @@ STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER STACK_SIZE = 1 << STACK_SHIFT STACK_INIT = STACK_SIZE - STACK_FRAME_OVERHEAD - __PT_SIZE -_TIF_WORK = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED) +_TIF_WORK = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \ + _TIF_UPROBE) _TIF_TRACE = (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SECCOMP | \ _TIF_SYSCALL_TRACEPOINT) _CIF_WORK = (_CIF_MCCK_PENDING | _CIF_ASCE) @@ -265,6 +266,10 @@ sysc_work: jo sysc_mcck_pending tm __TI_flags+7(%r12),_TIF_NEED_RESCHED jo sysc_reschedule +#ifdef CONFIG_UPROBES + tm __TI_flags+7(%r12),_TIF_UPROBE + jo sysc_uprobe_notify +#endif tm __PT_FLAGS+7(%r11),_PIF_PER_TRAP jo sysc_singlestep tm __TI_flags+7(%r12),_TIF_SIGPENDING @@ -323,6 +328,16 @@ sysc_notify_resume: jg do_notify_resume # +# _TIF_UPROBE is set, call uprobe_notify_resume +# +#ifdef CONFIG_UPROBES +sysc_uprobe_notify: + lgr %r2,%r11 # pass pointer to pt_regs + larl %r14,sysc_return + jg uprobe_notify_resume +#endif + +# # _PIF_PER_TRAP is set, call do_per_trap # sysc_singlestep: |
