35 	unsigned long regs[32];  member
54 static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)  in kernel_stack_pointer()  argument
56 	return regs->regs[31];  in kernel_stack_pointer()
64 static inline void instruction_pointer_set(struct pt_regs *regs,  in instruction_pointer_set()  argument
67 	regs->cp0_epc = val;  in instruction_pointer_set()
83 static inline unsigned long regs_get_register(struct pt_regs *regs,  in regs_get_register()  argument
89 	return *(unsigned long *)((unsigned long)regs + offset);  in regs_get_register()
100 static inline int regs_within_kernel_stack(struct pt_regs *regs,  in regs_within_kernel_stack()  argument
104 		(kernel_stack_pointer(regs) & ~(THREAD_SIZE - 1)));  in regs_within_kernel_stack()
116 static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,  in regs_get_kernel_stack_nth()  argument
119 	unsigned long *addr = (unsigned long *)kernel_stack_pointer(regs);  in regs_get_kernel_stack_nth()
122 	if (regs_within_kernel_stack(regs, (unsigned long)addr))  in regs_get_kernel_stack_nth()
146 #define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER)  argument
148 static inline int is_syscall_success(struct pt_regs *regs)  in is_syscall_success()  argument
150 	return !regs->regs[7];  in is_syscall_success()
153 static inline long regs_return_value(struct pt_regs *regs)  in regs_return_value()  argument
155 	if (is_syscall_success(regs))  in regs_return_value()
156 		return regs->regs[2];  in regs_return_value()
158 		return -regs->regs[2];  in regs_return_value()
161 #define instruction_pointer(regs) ((regs)->cp0_epc)  argument
162 #define profile_pc(regs) instruction_pointer(regs)  argument
164 extern asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall);
165 extern asmlinkage void syscall_trace_leave(struct pt_regs *regs);
169 static inline void die_if_kernel(const char *str, struct pt_regs *regs)  in die_if_kernel()  argument
171 	if (unlikely(!user_mode(regs)))  in die_if_kernel()
172 		die(str, regs);  in die_if_kernel()
183 static inline unsigned long user_stack_pointer(struct pt_regs *regs)  in user_stack_pointer()  argument
185 	return regs->regs[29];  in user_stack_pointer()
188 static inline void user_stack_pointer_set(struct pt_regs *regs,  in user_stack_pointer_set()  argument
191 	regs->regs[29] = val;  in user_stack_pointer_set()