1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _SPARC64_KPROBES_H 3*4882a593Smuzhiyun #define _SPARC64_KPROBES_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <asm-generic/kprobes.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #define BREAKPOINT_INSTRUCTION 0x91d02070 /* ta 0x70 */ 8*4882a593Smuzhiyun #define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifdef CONFIG_KPROBES 11*4882a593Smuzhiyun #include <linux/types.h> 12*4882a593Smuzhiyun #include <linux/percpu.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun typedef u32 kprobe_opcode_t; 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #define MAX_INSN_SIZE 2 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #define kretprobe_blacklist_size 0 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #define arch_remove_kprobe(p) do {} while (0) 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun #define flush_insn_slot(p) \ 23*4882a593Smuzhiyun do { flushi(&(p)->ainsn.insn[0]); \ 24*4882a593Smuzhiyun flushi(&(p)->ainsn.insn[1]); \ 25*4882a593Smuzhiyun } while (0) 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun void kretprobe_trampoline(void); 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun /* Architecture specific copy of original instruction*/ 30*4882a593Smuzhiyun struct arch_specific_insn { 31*4882a593Smuzhiyun /* copy of the original instruction */ 32*4882a593Smuzhiyun kprobe_opcode_t insn[MAX_INSN_SIZE]; 33*4882a593Smuzhiyun }; 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun struct prev_kprobe { 36*4882a593Smuzhiyun struct kprobe *kp; 37*4882a593Smuzhiyun unsigned long status; 38*4882a593Smuzhiyun unsigned long orig_tnpc; 39*4882a593Smuzhiyun unsigned long orig_tstate_pil; 40*4882a593Smuzhiyun }; 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun /* per-cpu kprobe control block */ 43*4882a593Smuzhiyun struct kprobe_ctlblk { 44*4882a593Smuzhiyun unsigned long kprobe_status; 45*4882a593Smuzhiyun unsigned long kprobe_orig_tnpc; 46*4882a593Smuzhiyun unsigned long kprobe_orig_tstate_pil; 47*4882a593Smuzhiyun struct prev_kprobe prev_kprobe; 48*4882a593Smuzhiyun }; 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun int kprobe_exceptions_notify(struct notifier_block *self, 51*4882a593Smuzhiyun unsigned long val, void *data); 52*4882a593Smuzhiyun int kprobe_fault_handler(struct pt_regs *regs, int trapnr); 53*4882a593Smuzhiyun asmlinkage void __kprobes kprobe_trap(unsigned long trap_level, 54*4882a593Smuzhiyun struct pt_regs *regs); 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun #endif /* CONFIG_KPROBES */ 57*4882a593Smuzhiyun #endif /* _SPARC64_KPROBES_H */ 58