48 int __kprobes arch_prepare_kprobe(struct kprobe *p)  in arch_prepare_kprobe()  argument
52 	unsigned long addr = (unsigned long)p->addr;  in arch_prepare_kprobe()
78 	insn = __mem_to_opcode_arm(*p->addr);  in arch_prepare_kprobe()
84 	p->opcode = insn;  in arch_prepare_kprobe()
85 	p->ainsn.insn = tmp_insn;  in arch_prepare_kprobe()
87 	switch ((*decode_insn)(insn, &p->ainsn, true, actions, checkers)) {  in arch_prepare_kprobe()
92 		p->ainsn.insn = get_insn_slot();  in arch_prepare_kprobe()
93 		if (!p->ainsn.insn)  in arch_prepare_kprobe()
96 			p->ainsn.insn[is] = tmp_insn[is];  in arch_prepare_kprobe()
97 		flush_insns(p->ainsn.insn,  in arch_prepare_kprobe()
98 				sizeof(p->ainsn.insn[0]) * MAX_INSN_SIZE);  in arch_prepare_kprobe()
99 		p->ainsn.insn_fn = (probes_insn_fn_t *)  in arch_prepare_kprobe()
100 					((uintptr_t)p->ainsn.insn | thumb);  in arch_prepare_kprobe()
104 		p->ainsn.insn = NULL;  in arch_prepare_kprobe()
113 	if ((p->ainsn.stack_space < 0) ||  in arch_prepare_kprobe()
114 			(p->ainsn.stack_space > MAX_STACK_SIZE))  in arch_prepare_kprobe()
120 void __kprobes arch_arm_kprobe(struct kprobe *p)  in arch_arm_kprobe()  argument
127 		addr = (void *)((uintptr_t)p->addr & ~1);  in arch_arm_kprobe()
129 		if (is_wide_instruction(p->opcode))  in arch_arm_kprobe()
134 		kprobe_opcode_t insn = p->opcode;  in arch_arm_kprobe()
136 		addr = p->addr;  in arch_arm_kprobe()
163 	struct patch *p = data;  in __kprobes_remove_breakpoint()  local
164 	__patch_text(p->addr, p->insn);  in __kprobes_remove_breakpoint()
170 	struct patch p = {  in kprobes_remove_breakpoint()  local
174 	stop_machine_cpuslocked(__kprobes_remove_breakpoint, &p,  in kprobes_remove_breakpoint()
178 void __kprobes arch_disarm_kprobe(struct kprobe *p)  in arch_disarm_kprobe()  argument
180 	kprobes_remove_breakpoint((void *)((uintptr_t)p->addr & ~1),  in arch_disarm_kprobe()
181 			p->opcode);  in arch_disarm_kprobe()
184 void __kprobes arch_remove_kprobe(struct kprobe *p)  in arch_remove_kprobe()  argument
186 	if (p->ainsn.insn) {  in arch_remove_kprobe()
187 		free_insn_slot(p->ainsn.insn, 0);  in arch_remove_kprobe()
188 		p->ainsn.insn = NULL;  in arch_remove_kprobe()
204 static void __kprobes set_current_kprobe(struct kprobe *p)  in set_current_kprobe()  argument
206 	__this_cpu_write(current_kprobe, p);  in set_current_kprobe()
210 singlestep_skip(struct kprobe *p, struct pt_regs *regs)  in singlestep_skip()  argument
214 	if (is_wide_instruction(p->opcode))  in singlestep_skip()
224 singlestep(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *kcb)  in singlestep()  argument
226 	p->ainsn.insn_singlestep(p->opcode, &p->ainsn, regs);  in singlestep()
238 	struct kprobe *p, *cur;  in kprobe_handler()  local
250 	p = get_kprobe((kprobe_opcode_t *)(regs->ARM_pc | 1));  in kprobe_handler()
251 	if (!p)  in kprobe_handler()
252 		p = get_kprobe((kprobe_opcode_t *)regs->ARM_pc);  in kprobe_handler()
255 	p = get_kprobe((kprobe_opcode_t *)regs->ARM_pc);  in kprobe_handler()
258 	if (p) {  in kprobe_handler()
259 		if (!p->ainsn.insn_check_cc(regs->ARM_cpsr)) {  in kprobe_handler()
266 			singlestep_skip(p, regs);  in kprobe_handler()
274 				kprobes_inc_nmissed_count(p);  in kprobe_handler()
276 				set_current_kprobe(p);  in kprobe_handler()
278 				singlestep(p, regs, kcb);  in kprobe_handler()
284 				dump_kprobe(p);  in kprobe_handler()
292 			set_current_kprobe(p);  in kprobe_handler()
302 			if (!p->pre_handler || !p->pre_handler(p, regs)) {  in kprobe_handler()
304 				singlestep(p, regs, kcb);  in kprobe_handler()
305 				if (p->post_handler) {  in kprobe_handler()
307 					p->post_handler(p, regs, 0);  in kprobe_handler()
430 int __kprobes arch_trampoline_kprobe(struct kprobe *p)  in arch_trampoline_kprobe()  argument