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| author | Oleg Nesterov <oleg@redhat.com> | 2009-12-15 16:47:20 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-16 07:20:08 -0800 |
| commit | 7f38551fc3ff0e17a38d6f3f0f8831380a88f3cc (patch) | |
| tree | 80a2618da48e46c3918a15cbd72bf2149fe2bd75 /arch/x86/include/asm/ptrace.h | |
| parent | 2f0edac5555983dc28033acce8a355f588fd01b2 (diff) | |
| download | lwn-7f38551fc3ff0e17a38d6f3f0f8831380a88f3cc.tar.gz lwn-7f38551fc3ff0e17a38d6f3f0f8831380a88f3cc.zip | |
ptrace: x86: implement user_single_step_siginfo()
Suggested by Roland.
Implement user_single_step_siginfo() for x86. Extract this code from
send_sigtrap().
Since x86 calls tracehook_report_syscall_exit(step => 0) the new helper is
not used yet.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Cc: <linux-arch@vger.kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/include/asm/ptrace.h')
| -rw-r--r-- | arch/x86/include/asm/ptrace.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h index 3d11fd0f44c5..9d369f680321 100644 --- a/arch/x86/include/asm/ptrace.h +++ b/arch/x86/include/asm/ptrace.h @@ -292,6 +292,8 @@ extern void user_enable_block_step(struct task_struct *); #define arch_has_block_step() (boot_cpu_data.x86 >= 6) #endif +#define ARCH_HAS_USER_SINGLE_STEP_INFO + struct user_desc; extern int do_get_thread_area(struct task_struct *p, int idx, struct user_desc __user *info); |