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_fault_handler(struct pt_regs *regs, int trapnr); 51 asmlinkage void __kprobes kprobe_trap(unsigned long trap_level, 52 struct pt_regs *regs); 53 54 #endif /* CONFIG_KPROBES */ 55 #endif /* _SPARC64_KPROBES_H */ 56