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x86, ptrace: add bts_struct size to status command

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Return the size of bts_struct in the PTRACE_BTS_STATUS command.
Change types to u32.

Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Markus Metzger 2008-01-30 13:32:54 +01:00 committed by Ingo Molnar
parent 58f6f6ea1d
commit 87e8407f9a
2 changed files with 10 additions and 3 deletions
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2
arch/x86/kernel/ptrace.c
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@ -787,6 +787,8 @@ static int ptrace_bts_status(struct task_struct *child,
cfg.flags |= PTRACE_BTS_O_SCHED; cfg.flags |= PTRACE_BTS_O_SCHED;
} }
cfg.bts_size = sizeof(struct bts_struct);
if (copy_to_user(ucfg, &cfg, sizeof(cfg))) if (copy_to_user(ucfg, &cfg, sizeof(cfg)))
return -EFAULT; return -EFAULT;

11
include/asm-x86/ptrace-abi.h
View File

@ -81,16 +81,21 @@
#define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */ #define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */
#ifndef __ASSEMBLY__ #ifndef __ASSEMBLY__
#include <asm/types.h>
/* configuration/status structure used in PTRACE_BTS_CONFIG and /* configuration/status structure used in PTRACE_BTS_CONFIG and
PTRACE_BTS_STATUS commands. PTRACE_BTS_STATUS commands.
*/ */
struct ptrace_bts_config { struct ptrace_bts_config {
/* requested or actual size of BTS buffer in bytes */ /* requested or actual size of BTS buffer in bytes */
unsigned int size; u32 size;
/* bitmask of below flags */ /* bitmask of below flags */
unsigned int flags; u32 flags;
/* buffer overflow signal */ /* buffer overflow signal */
unsigned int signal; u32 signal;
/* actual size of bts_struct in bytes */
u32 bts_size;
}; };
#endif #endif