diff options
| author |   Anton Blanchard <anton@samba.org> | 2005-09-10 16:01:11 +1000 |
|---|---|---|
| committer |   Paul Mackerras <paulus@samba.org> | 2005-09-12 17:19:12 +1000 |
| commit | fd9648dff6f9797ecc509bcd181706a274dc074d (patch) | |
| tree | 845b99905dc4f54171d554c14e45b55f1cfe48e2 /arch/ppc64/kernel/signal.c | |
| parent | [PATCH] ppc64: Add definitions for new PTRACE calls (diff) | |
| download | linux-dev-fd9648dff6f9797ecc509bcd181706a274dc074d.tar.xz linux-dev-fd9648dff6f9797ecc509bcd181706a274dc074d.zip | |
[PATCH] ppc64: Add ptrace data breakpoint support
Add hardware data breakpoint support.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/ppc64/kernel/signal.c')
| -rw-r--r-- | arch/ppc64/kernel/signal.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/ppc64/kernel/signal.c b/arch/ppc64/kernel/signal.c index 49a79a55c32d..347112cca3c0 100644 --- a/arch/ppc64/kernel/signal.c +++ b/arch/ppc64/kernel/signal.c @@ -550,6 +550,15 @@ int do_signal(sigset_t *oldset, struct pt_regs *regs) /* Whee! Actually deliver the signal. */ if (TRAP(regs) == 0x0C00) syscall_restart(regs, &ka); + + /* + * Reenable the DABR before delivering the signal to + * user space. The DABR will have been cleared if it + * triggered inside the kernel. + */ + if (current->thread.dabr) + set_dabr(current->thread.dabr); + return handle_signal(signr, &ka, &info, oldset, regs); } |