| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _SPARC64_KPROBES_H |
| 3 | #define _SPARC64_KPROBES_H |
| 4 | |
| 5 | #include <asm-generic/kprobes.h> |
| 6 | |
| 7 | #define BREAKPOINT_INSTRUCTION 0x91d02070 /* ta 0x70 */ |
| 8 | #define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */ |
| 9 | |
| 10 | #ifdef CONFIG_KPROBES |
| 11 | #include <linux/types.h> |
| 12 | #include <linux/percpu.h> |
| 13 | |
| 14 | typedef u32 kprobe_opcode_t; |
| 15 | |
| 16 | #define MAX_INSN_SIZE 2 |
| 17 | |
| 18 | #define kretprobe_blacklist_size 0 |
| 19 | |
| 20 | #define arch_remove_kprobe(p) do {} while (0) |
| 21 | |
| 22 | #define flush_insn_slot(p) \ |
| 23 | do { flushi(&(p)->ainsn.insn[0]); \ |
| 24 | flushi(&(p)->ainsn.insn[1]); \ |
| 25 | } while (0) |
| 26 | |
| 27 | void kretprobe_trampoline(void); |
| 28 | |
| 29 | /* Architecture specific copy of original instruction*/ |
| 30 | struct arch_specific_insn { |
| 31 | /* copy of the original instruction */ |
| 32 | kprobe_opcode_t insn[MAX_INSN_SIZE]; |
| 33 | }; |
| 34 | |
| 35 | struct prev_kprobe { |
| 36 | struct kprobe *kp; |
| 37 | unsigned long status; |
| 38 | unsigned long orig_tnpc; |
| 39 | unsigned long orig_tstate_pil; |
| 40 | }; |
| 41 | |
| 42 | /* per-cpu kprobe control block */ |
| 43 | struct kprobe_ctlblk { |
| 44 | unsigned long kprobe_status; |
| 45 | unsigned long kprobe_orig_tnpc; |
| 46 | unsigned long kprobe_orig_tstate_pil; |
| 47 | struct prev_kprobe prev_kprobe; |
| 48 | }; |
| 49 | |
| 50 | int kprobe_exceptions_notify(struct notifier_block *self, |
| 51 | unsigned long val, void *data); |
| 52 | int kprobe_fault_handler(struct pt_regs *regs, int trapnr); |
| 53 | asmlinkage void __kprobes kprobe_trap(unsigned long trap_level, |
| 54 | struct pt_regs *regs); |
| 55 | |
| 56 | #endif /* CONFIG_KPROBES */ |
| 57 | #endif /* _SPARC64_KPROBES_H */ |