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| author | Eirik Aanonsen <eaa@wprmedical.com> | 2013-11-06 22:00:33 +0100 |
|---|---|---|
| committer | Hans-Christian Egtvedt <hegtvedt@cisco.com> | 2013-11-20 09:53:22 +0100 |
| commit | dbc0d691a4dd7787efd94aa26fe7682a457e53d8 (patch) | |
| tree | 3d66d4d5a8b5cbf711309b6b7bc359110877e474 /arch/avr32 | |
| parent | avr32: fix out-of-range jump in large kernels (diff) | |
| download | linux-dbc0d691a4dd7787efd94aa26fe7682a457e53d8.tar.xz linux-dbc0d691a4dd7787efd94aa26fe7682a457e53d8.zip | |
avr32: add kprobe_ctlblk memory struct
This re-enables kprobes on AVR32 architecture.
Signed-off-by: Eirik Aanonsen <eaa@wprmedical.com>
Signed-off-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Diffstat (limited to 'arch/avr32')
| -rw-r--r-- | arch/avr32/include/asm/kprobes.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/avr32/include/asm/kprobes.h b/arch/avr32/include/asm/kprobes.h index 996cb656474e..45f563ed73fd 100644 --- a/arch/avr32/include/asm/kprobes.h +++ b/arch/avr32/include/asm/kprobes.h @@ -16,6 +16,7 @@ typedef u16 kprobe_opcode_t; #define BREAKPOINT_INSTRUCTION 0xd673 /* breakpoint */ #define MAX_INSN_SIZE 2 +#define MAX_STACK_SIZE 64 /* 32 would probably be OK */ #define kretprobe_blacklist_size 0 @@ -26,6 +27,19 @@ struct arch_specific_insn { kprobe_opcode_t insn[MAX_INSN_SIZE]; }; +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]; +}; + extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); extern int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *data); |