diff options
| author | Christoph Hellwig <hch@lst.de> | 2010-03-10 15:22:54 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-12 15:52:39 -0800 |
| commit | fa1ac57a317f927b8fb901e6270fc41fdaae8e1c (patch) | |
| tree | 10d6a02d63a35c3b733d03fefcd8ac951656475d /arch/microblaze | |
| parent | 7a0fde8b3b16fcfb2bb4a136c53918f1ca9b35cc (diff) | |
microblaze: use generic ptrace_resume code
Use the generic ptrace_resume code for PTRACE_SYSCALL, PTRACE_CONT and
PTRACE_KILL. This also makes PTRACE_SINGLESTEP return -EIO while it
previously succeeded despite not actually causing any kind of single
stepping.
Also the TIF_SYSCALL_TRACE thread flag is now cleared on PTRACE_KILL which
it previously wasn't which is consistent with all architectures using the
modern ptrace code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Roland McGrath <roland@redhat.com>
Acked-by: Michal Simek <monstr@monstr.eu>
Cc: John Williams <john.williams@petalogix.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/kernel/ptrace.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c index 8c21d8b3cb0..6d6349a145f 100644 --- a/arch/microblaze/kernel/ptrace.c +++ b/arch/microblaze/kernel/ptrace.c @@ -110,43 +110,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) if (rval == 0 && request == PTRACE_PEEKUSR) rval = put_user(val, (unsigned long *)data); break; - /* Continue and stop at next (return from) syscall */ - case PTRACE_SYSCALL: - pr_debug("PTRACE_SYSCALL\n"); - case PTRACE_SINGLESTEP: - pr_debug("PTRACE_SINGLESTEP\n"); - /* Restart after a signal. */ - case PTRACE_CONT: - pr_debug("PTRACE_CONT\n"); - rval = -EIO; - if (!valid_signal(data)) - break; - - if (request == PTRACE_SYSCALL) - set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - else - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - - child->exit_code = data; - pr_debug("wakeup_process\n"); - wake_up_process(child); - rval = 0; - break; - - /* - * make the child exit. Best I can do is send it a sigkill. - * perhaps it should be put in the status that it wants to - * exit. - */ - case PTRACE_KILL: - pr_debug("PTRACE_KILL\n"); - rval = 0; - if (child->exit_state == EXIT_ZOMBIE) /* already dead */ - break; - child->exit_code = SIGKILL; - wake_up_process(child); - break; - default: rval = ptrace_request(child, request, addr, data); } |