[PATCH 12/27] x86-32: ptrace generic resume

From: Roland McGrath
Date: Sun Nov 25 2007 - 17:01:52 EST



This removes the handling for PTRACE_CONT et al from the 32-bit
ptrace code, so it uses the new generic code via ptrace_request.

Signed-off-by: Roland McGrath <roland@xxxxxxxxxx>
---
arch/x86/kernel/ptrace_32.c | 57 -------------------------------------------
1 files changed, 0 insertions(+), 57 deletions(-)

diff --git a/arch/x86/kernel/ptrace_32.c b/arch/x86/kernel/ptrace_32.c
index a493017..50882b3 100644
--- a/arch/x86/kernel/ptrace_32.c
+++ b/arch/x86/kernel/ptrace_32.c
@@ -277,63 +277,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
}
break;

- case PTRACE_SYSEMU: /* continue and stop at next syscall, which will not be executed */
- 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_SYSEMU) {
- set_tsk_thread_flag(child, TIF_SYSCALL_EMU);
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- } else if (request == PTRACE_SYSCALL) {
- set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- clear_tsk_thread_flag(child, TIF_SYSCALL_EMU);
- } else {
- clear_tsk_thread_flag(child, TIF_SYSCALL_EMU);
- 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_SYSEMU_SINGLESTEP: /* Same as SYSEMU, but singlestep if not syscall */
- case PTRACE_SINGLESTEP: /* set the trap flag. */
- ret = -EIO;
- if (!valid_signal(data))
- break;
-
- if (request == PTRACE_SYSEMU_SINGLESTEP)
- set_tsk_thread_flag(child, TIF_SYSCALL_EMU);
- else
- clear_tsk_thread_flag(child, TIF_SYSCALL_EMU);
-
- 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_GETREGS: { /* Get all gp regs from the child. */
if (!access_ok(VERIFY_WRITE, datap, FRAME_SIZE*sizeof(long))) {
ret = -EIO;
-
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