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| author | Ananth N Mavinakayanahalli <ananth@in.ibm.com> | 2005-11-07 01:00:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-07 07:53:46 -0800 |
| commit | f215d985e936cf493959b365a10593b6d5f80447 (patch) | |
| tree | 90d187826b5364f364ca6ada71da3e24372db981 /include/asm-sparc64 | |
| parent | 0dc036c91ac11b2b76bb91b59d8c7af919aa4a8d (diff) | |
| download | op-kernel-dev-f215d985e936cf493959b365a10593b6d5f80447.zip op-kernel-dev-f215d985e936cf493959b365a10593b6d5f80447.tar.gz | |
[PATCH] Kprobes: Track kprobe on a per_cpu basis - sparc64 changes
Sparc64 changes to track kprobe execution on a per-cpu basis. We now track
the kprobe state machine independently on each cpu using an arch specific
kprobe control block.
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-sparc64')
| -rw-r--r-- | include/asm-sparc64/kprobes.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/asm-sparc64/kprobes.h b/include/asm-sparc64/kprobes.h index a8d326a..7ba8453 100644 --- a/include/asm-sparc64/kprobes.h +++ b/include/asm-sparc64/kprobes.h @@ -3,6 +3,7 @@ #include <linux/config.h> #include <linux/types.h> +#include <linux/percpu.h> typedef u32 kprobe_opcode_t; @@ -18,6 +19,25 @@ struct arch_specific_insn { kprobe_opcode_t insn[MAX_INSN_SIZE]; }; +struct prev_kprobe { + struct kprobe *kp; + unsigned int status; + unsigned long orig_tnpc; + unsigned long orig_tstate_pil; +}; + +/* per-cpu kprobe control block */ +struct kprobe_ctlblk { + unsigned long kprobe_status; + unsigned long kprobe_orig_tnpc; + unsigned long kprobe_orig_tstate_pil; + long *jprobe_saved_esp; + struct pt_regs jprobe_saved_regs; + struct pt_regs *jprobe_saved_regs_location; + struct sparc_stackf jprobe_saved_stack; + struct prev_kprobe prev_kprobe; +}; + #ifdef CONFIG_KPROBES extern int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *data); |
