50 static short *get_step_address(struct pt_regs *linux_regs)  in get_step_address()  argument
52 	insn_size_t op = __raw_readw(linux_regs->pc);  in get_step_address()
57 		if (linux_regs->sr & SR_T_BIT_MASK)  in get_step_address()
58 			addr = linux_regs->pc + 4 + OPCODE_BTF_DISP(op);  in get_step_address()
60 			addr = linux_regs->pc + 2;  in get_step_address()
65 		if (linux_regs->sr & SR_T_BIT_MASK)  in get_step_address()
66 			addr = linux_regs->pc + 4 + OPCODE_BTF_DISP(op);  in get_step_address()
68 			addr = linux_regs->pc + 4;	/* Not in delay slot */  in get_step_address()
73 		if (!(linux_regs->sr & SR_T_BIT_MASK))  in get_step_address()
74 			addr = linux_regs->pc + 4 + OPCODE_BTF_DISP(op);  in get_step_address()
76 			addr = linux_regs->pc + 2;  in get_step_address()
81 		if (!(linux_regs->sr & SR_T_BIT_MASK))  in get_step_address()
82 			addr = linux_regs->pc + 4 + OPCODE_BTF_DISP(op);  in get_step_address()
84 			addr = linux_regs->pc + 4;	/* Not in delay slot */  in get_step_address()
89 		addr = linux_regs->pc + 4 + OPCODE_BRA_DISP(op);  in get_step_address()
93 		addr = linux_regs->pc + 4  in get_step_address()
94 		    + linux_regs->regs[OPCODE_BRAF_REG(op)];  in get_step_address()
98 		addr = linux_regs->pc + 4 + OPCODE_BSR_DISP(op);  in get_step_address()
102 		addr = linux_regs->pc + 4  in get_step_address()
103 		    + linux_regs->regs[OPCODE_BSRF_REG(op)];  in get_step_address()
107 		addr = linux_regs->regs[OPCODE_JMP_REG(op)];  in get_step_address()
111 		addr = linux_regs->regs[OPCODE_JSR_REG(op)];  in get_step_address()
115 		addr = linux_regs->pr;  in get_step_address()
119 		addr = linux_regs->regs[15];  in get_step_address()
123 		addr = linux_regs->pc + instruction_size(op);  in get_step_address()
141 static void do_single_step(struct pt_regs *linux_regs)  in do_single_step()  argument
144 	unsigned short *addr = get_step_address(linux_regs);  in do_single_step()
158 static void undo_single_step(struct pt_regs *linux_regs)  in undo_single_step()  argument
257 			       struct pt_regs *linux_regs)  in kgdb_arch_handle_exception()  argument
263 	undo_single_step(linux_regs);  in kgdb_arch_handle_exception()
271 			linux_regs->pc = addr;  in kgdb_arch_handle_exception()
277 			do_single_step(linux_regs);  in kgdb_arch_handle_exception()