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| author | Markus Metzger <markus.t.metzger@intel.com> | 2008-01-30 13:31:09 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:31:09 +0100 |
| commit | eee3af4a2c83a97fff107ddc445d9df6fded9ce4 (patch) | |
| tree | a7e9179b82b4df9e4cf6e810c54309324589395b /include/asm-x86/ptrace.h | |
| parent | 7796931f542518092d1fd2fb7cf1f1d96e0cd4b5 (diff) | |
| download | lwn-eee3af4a2c83a97fff107ddc445d9df6fded9ce4.tar.gz lwn-eee3af4a2c83a97fff107ddc445d9df6fded9ce4.zip | |
x86, ptrace: support for branch trace store(BTS)
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Changes to the last version:
- split implementation into two layers: ds/bts and ptrace
- renamed TIF's
- save/restore ds save area msr in __switch_to_xtra()
- make block-stepping only look at BTF bit
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/ptrace.h')
| -rw-r--r-- | include/asm-x86/ptrace.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h index 9228870f6157..a9a1bab1451a 100644 --- a/include/asm-x86/ptrace.h +++ b/include/asm-x86/ptrace.h @@ -4,8 +4,19 @@ #include <linux/compiler.h> /* For __user */ #include <asm/ptrace-abi.h> + #ifndef __ASSEMBLY__ +#ifdef __KERNEL__ + +#include <asm/ds.h> + +struct task_struct; +extern void ptrace_bts_take_timestamp(struct task_struct *, enum bts_qualifier); + +#endif /* __KERNEL__ */ + + #ifdef __i386__ /* this struct defines the way the registers are stored on the stack during a system call. */ |