diff options
| -rw-r--r-- | arch/mips/kernel/traps.c | 21 | ||||
| -rw-r--r-- | include/asm-mips/ptrace.h | 4 |
2 files changed, 17 insertions, 8 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 632bce1..9c0c478 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -104,7 +104,7 @@ static int __init set_raw_show_trace(char *str) __setup("raw_show_trace", set_raw_show_trace); #endif -static void show_backtrace(struct task_struct *task, struct pt_regs *regs) +static void show_backtrace(struct task_struct *task, const struct pt_regs *regs) { unsigned long sp = regs->regs[29]; unsigned long ra = regs->regs[31]; @@ -126,7 +126,8 @@ static void show_backtrace(struct task_struct *task, struct pt_regs *regs) * This routine abuses get_user()/put_user() to reference pointers * with at least a bit of error checking ... */ -static void show_stacktrace(struct task_struct *task, struct pt_regs *regs) +static void show_stacktrace(struct task_struct *task, + const struct pt_regs *regs) { const int field = 2 * sizeof(unsigned long); long stackdata; @@ -203,7 +204,7 @@ static void show_code(unsigned int __user *pc) } } -void show_regs(struct pt_regs *regs) +static void __show_regs(const struct pt_regs *regs) { const int field = 2 * sizeof(unsigned long); unsigned int cause = regs->cp0_cause; @@ -299,9 +300,17 @@ void show_regs(struct pt_regs *regs) cpu_name_string()); } -void show_registers(struct pt_regs *regs) +/* + * FIXME: really the generic show_regs should take a const pointer argument. + */ +void show_regs(struct pt_regs *regs) +{ + __show_regs((struct pt_regs *)regs); +} + +void show_registers(const struct pt_regs *regs) { - show_regs(regs); + __show_regs(regs); print_modules(); printk("Process %s (pid: %d, threadinfo=%p, task=%p)\n", current->comm, current->pid, current_thread_info(), current); @@ -312,7 +321,7 @@ void show_registers(struct pt_regs *regs) static DEFINE_SPINLOCK(die_lock); -void __noreturn die(const char * str, struct pt_regs * regs) +void __noreturn die(const char * str, const struct pt_regs * regs) { static int die_counter; #ifdef CONFIG_MIPS_MT_SMTC diff --git a/include/asm-mips/ptrace.h b/include/asm-mips/ptrace.h index 85b4436..786f7e3 100644 --- a/include/asm-mips/ptrace.h +++ b/include/asm-mips/ptrace.h @@ -86,9 +86,9 @@ struct pt_regs { extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit); -extern NORET_TYPE void die(const char *, struct pt_regs *) ATTRIB_NORET; +extern NORET_TYPE void die(const char *, const struct pt_regs *) ATTRIB_NORET; -static inline void die_if_kernel(const char *str, struct pt_regs *regs) +static inline void die_if_kernel(const char *str, const struct pt_regs *regs) { if (unlikely(!user_mode(regs))) die(str, regs); |