diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-08-11 12:57:01 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-08-11 12:57:01 +0200 |
commit | 6de9c70882ecdee63a652d493bf2353963bd4c22 (patch) | |
tree | 9d219e705492331c97f5f7dccce3b0b1a29251bf /arch/sparc/include/asm/kprobes.h | |
parent | d406d21d90dce2e66c7eb4a44605aac947fe55fb (diff) | |
parent | 796aadeb1b2db9b5d463946766c5bbfd7717158c (diff) |
Merge branch 'linus' into x86/cleanups
Diffstat (limited to 'arch/sparc/include/asm/kprobes.h')
-rw-r--r-- | arch/sparc/include/asm/kprobes.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/kprobes.h b/arch/sparc/include/asm/kprobes.h new file mode 100644 index 00000000000..5879d71afda --- /dev/null +++ b/arch/sparc/include/asm/kprobes.h @@ -0,0 +1,49 @@ +#ifndef _SPARC64_KPROBES_H +#define _SPARC64_KPROBES_H + +#include <linux/types.h> +#include <linux/percpu.h> + +typedef u32 kprobe_opcode_t; + +#define BREAKPOINT_INSTRUCTION 0x91d02070 /* ta 0x70 */ +#define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */ +#define MAX_INSN_SIZE 2 + +#define kretprobe_blacklist_size 0 + +#define arch_remove_kprobe(p) do {} while (0) + +#define flush_insn_slot(p) \ +do { flushi(&(p)->ainsn.insn[0]); \ + flushi(&(p)->ainsn.insn[1]); \ +} while (0) + +void kretprobe_trampoline(void); + +/* Architecture specific copy of original instruction*/ +struct arch_specific_insn { + /* copy of the original instruction */ + kprobe_opcode_t insn[MAX_INSN_SIZE]; +}; + +struct prev_kprobe { + struct kprobe *kp; + unsigned long 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; + struct pt_regs jprobe_saved_regs; + struct prev_kprobe prev_kprobe; +}; + +extern int kprobe_exceptions_notify(struct notifier_block *self, + unsigned long val, void *data); +extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); +#endif /* _SPARC64_KPROBES_H */ |