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ptrace: generic PTRACE_SINGLEBLOCK

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This makes ptrace_request handle PTRACE_SINGLEBLOCK along with
PTRACE_CONT et al.  The new generic code makes use of the
arch_has_block_step macro and generic entry points on machines
that define them.

[ mingo@elte.hu: bugfix ]

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Roland McGrath
2008-01-30 13:30:53 +01:00
committed by Ingo Molnar
parent dc802c2d2e
commit 5b88abbf77
2 changed files with 15 additions and 2 deletions
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include/linux/ptrace.h
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@@ -187,7 +187,7 @@ static inline void user_disable_single_step(struct task_struct *task)
* supports step-until-branch for user mode. It can be a constant or it
* can test a CPU feature bit.
*/
#define arch_has_single_step() (0)
#define arch_has_block_step() (0)
/**
* user_enable_block_step - step until branch in user-mode task