diff options
Diffstat (limited to 'include/asm-arm')
| -rw-r--r-- | include/asm-arm/kprobes.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/asm-arm/kprobes.h b/include/asm-arm/kprobes.h index 951322328793..273f37413ee6 100644 --- a/include/asm-arm/kprobes.h +++ b/include/asm-arm/kprobes.h @@ -18,6 +18,16 @@ #include <linux/types.h> #include <linux/ptrace.h> +#include <linux/percpu.h> + +#define ARCH_SUPPORTS_KRETPROBES +#define __ARCH_WANT_KPROBES_INSN_SLOT +#define MAX_INSN_SIZE 2 +#define MAX_STACK_SIZE 64 /* 32 would probably be OK */ + +#define regs_return_value(regs) ((regs)->ARM_r0) +#define flush_insn_slot(p) do { } while (0) +#define kretprobe_blacklist_size 0 typedef u32 kprobe_opcode_t; @@ -30,6 +40,25 @@ struct arch_specific_insn { kprobe_insn_handler_t *insn_handler; }; +struct prev_kprobe { + struct kprobe *kp; + unsigned int status; +}; + +/* per-cpu kprobe control block */ +struct kprobe_ctlblk { + unsigned int kprobe_status; + struct prev_kprobe prev_kprobe; + struct pt_regs jprobe_saved_regs; + char jprobes_stack[MAX_STACK_SIZE]; +}; + +void arch_remove_kprobe(struct kprobe *); + +int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr); +int kprobe_exceptions_notify(struct notifier_block *self, + unsigned long val, void *data); + enum kprobe_insn { INSN_REJECTED, INSN_GOOD, |