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sh: ptrace single stepping cleanups.

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This converts the single stepping done by sh/sh64 ptrace implementations
to use the generic user_enable/disable_single_step(), and subsequently
rips out a lot of ptrace request cases that are now handled generically.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2008-07-30 19:09:31 +09:00
parent c4637d4751
commit c459dbf294
3 changed files with 39 additions and 140 deletions
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9
arch/sh/include/asm/ptrace.h
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@@ -104,6 +104,15 @@ struct pt_dspregs {
extern void show_regs(struct pt_regs *);
/*
* These are defined as per linux/ptrace.h.
*/
struct task_struct;
#define arch_has_single_step() (1)
extern void user_enable_single_step(struct task_struct *);
extern void user_disable_single_step(struct task_struct *);
#ifdef CONFIG_SH_DSP
#define task_pt_regs(task) \
((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \