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[PATCH 14/27] powerpc: ptrace generic resume

 

 

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roland at redhat

Nov 25, 2007, 2:04 PM

Post #1 of 2 (711 views)
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[PATCH 14/27] powerpc: ptrace generic resume

This removes the handling for PTRACE_CONT et al from the powerpc
ptrace code, so it uses the new generic code via ptrace_request.

Signed-off-by: Roland McGrath <roland [at] redhat>
---
arch/powerpc/kernel/ptrace.c | 46 ------------------------------------------
1 files changed, 0 insertions(+), 46 deletions(-)

diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index b970d79..8b056d2 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -445,52 +445,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
break;
}

- case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
- case PTRACE_CONT: { /* restart after signal. */
- ret = -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;
- /* make sure the single step bit is not set. */
- user_disable_single_step(child);
- wake_up_process(child);
- ret = 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: {
- ret = 0;
- if (child->exit_state == EXIT_ZOMBIE) /* already dead */
- break;
- child->exit_code = SIGKILL;
- /* make sure the single step bit is not set. */
- user_disable_single_step(child);
- wake_up_process(child);
- break;
- }
-
- case PTRACE_SINGLESTEP: { /* set the trap flag. */
- ret = -EIO;
- if (!valid_signal(data))
- break;
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- user_enable_single_step(child);
- child->exit_code = data;
- /* give it a chance to run. */
- wake_up_process(child);
- ret = 0;
- break;
- }
-
case PTRACE_GET_DEBUGREG: {
ret = -EINVAL;
/* We only support one DABR and no IABRS at the moment */
-
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srinivasa at in

Dec 3, 2007, 12:12 AM

Post #2 of 2 (639 views)
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Re: [PATCH 14/27] powerpc: ptrace generic resume [In reply to]

Roland McGrath wrote:
> This removes the handling for PTRACE_CONT et al from the powerpc
> ptrace code, so it uses the new generic code via ptrace_request.

I have tested this patchset on powerpc successfully.

>
> Signed-off-by: Roland McGrath <roland [at] redhat>
> ---
> arch/powerpc/kernel/ptrace.c | 46 ------------------------------------------
> 1 files changed, 0 insertions(+), 46 deletions(-)
>
> diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
> index b970d79..8b056d2 100644
> --- a/arch/powerpc/kernel/ptrace.c
> +++ b/arch/powerpc/kernel/ptrace.c
> @@ -445,52 +445,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
> break;
> }


Thanks
Srinivasa DS
Linux Technology Centre
IBM.

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