31 static unsigned long get_pseudo_pc(struct task_struct *child);
80 void user_enable_single_step(struct task_struct *child)  in user_enable_single_step()  argument
88 	if (!get_reg(child, PT_SPC)) {  in user_enable_single_step()
90 		tmp = get_reg(child, PT_ERP) & ~1;  in user_enable_single_step()
91 		put_reg(child, PT_SPC, tmp);  in user_enable_single_step()
93 	tmp = get_reg(child, PT_CCS) | SBIT_USER;  in user_enable_single_step()
94 	put_reg(child, PT_CCS, tmp);  in user_enable_single_step()
97 void user_disable_single_step(struct task_struct *child)  in user_disable_single_step()  argument
99 	put_reg(child, PT_SPC, 0);  in user_disable_single_step()
101 	if (!get_debugreg(child->pid, PT_BP_CTRL)) {  in user_disable_single_step()
104 		tmp = get_reg(child, PT_CCS) & ~SBIT_USER;  in user_disable_single_step()
105 		put_reg(child, PT_CCS, tmp);  in user_disable_single_step()
115 ptrace_disable(struct task_struct *child)  in ptrace_disable()  argument
118 	user_disable_single_step(child);  in ptrace_disable()
119 	put_reg(child, PT_SPC, 0);  in ptrace_disable()
122 	deconfigure_bp(child->pid);  in ptrace_disable()
126 long arch_ptrace(struct task_struct *child, long request,  in arch_ptrace()  argument
150 				copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);  in arch_ptrace()
168 			tmp = get_reg(child, regno);  in arch_ptrace()
176 			ret = generic_ptrace_pokedata(child, addr, data);  in arch_ptrace()
190 				data |= get_reg(child, PT_CCS) & ~CCS_MASK;  in arch_ptrace()
192 			if (put_reg(child, regno, data))  in arch_ptrace()
203 				tmp = get_reg(child, i);  in arch_ptrace()
230 					tmp |= get_reg(child, PT_CCS) & ~CCS_MASK;  in arch_ptrace()
233 				put_reg(child, i, tmp);  in arch_ptrace()
242 			ret = ptrace_request(child, request, addr, data);  in arch_ptrace()
275 static int insn_size(struct task_struct *child, unsigned long pc)  in insn_size()  argument
282   copied = access_process_vm(child, pc, &opcode, sizeof(opcode), 0);  in insn_size()
311 static unsigned long get_pseudo_pc(struct task_struct *child)  in get_pseudo_pc()  argument
314 	unsigned long pc = get_reg(child, PT_ERP);  in get_pseudo_pc()
317 		unsigned long spc = get_reg(child, PT_SPC);  in get_pseudo_pc()
328 			pc += insn_size(child, pc & ~1) - 1;  in get_pseudo_pc()