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[S390] Move show_regs to traps.c.

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This is where it should be and we can get rid of some externs
and a static inline function.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2008-04-30 13:38:34 +02:00 committed by Martin Schwidefsky
parent 2f97220231
commit 4e83be7b24
3 changed files with 22 additions and 31 deletions
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18
arch/s390/kernel/process.c
View File

@ -180,24 +180,6 @@ void cpu_idle(void)
}
}
void show_regs(struct pt_regs *regs)
{
print_modules();
printk("CPU: %d %s %s %.*s\n",
task_thread_info(current)->cpu, print_tainted(),
init_utsname()->release,
(int)strcspn(init_utsname()->version, " "),
init_utsname()->version);
printk("Process %s (pid: %d, task: %p, ksp: %p)\n",
current->comm, current->pid, current,
(void *) current->thread.ksp);
show_registers(regs);
/* Show stack backtrace if pt_regs is from kernel mode */
if (!(regs->psw.mask & PSW_MASK_PSTATE))
show_trace(NULL, (unsigned long *) regs->gprs[15]);
show_last_breaking_event(regs);
}
extern void kernel_thread_starter(void);
asm(

26
arch/s390/kernel/traps.c
View File

@ -113,7 +113,7 @@ __show_trace(unsigned long sp, unsigned long low, unsigned long high)
}
}
void show_trace(struct task_struct *task, unsigned long *stack)
static void show_trace(struct task_struct *task, unsigned long *stack)
{
register unsigned long __r15 asm ("15");
unsigned long sp;
@ -161,14 +161,14 @@ void show_stack(struct task_struct *task, unsigned long *sp)
show_trace(task, sp);
}
#ifdef CONFIG_64BIT
void show_last_breaking_event(struct pt_regs *regs)
static void show_last_breaking_event(struct pt_regs *regs)
{
#ifdef CONFIG_64BIT
printk("Last Breaking-Event-Address:\n");
printk(" [<%016lx>] ", regs->args[0] & PSW_ADDR_INSN);
print_symbol("%s\n", regs->args[0] & PSW_ADDR_INSN);
}
#endif
}
/*
* The architecture-independent dump_stack generator
@ -223,6 +223,24 @@ void show_registers(struct pt_regs *regs)
show_code(regs);
}
void show_regs(struct pt_regs *regs)
{
print_modules();
printk("CPU: %d %s %s %.*s\n",
task_thread_info(current)->cpu, print_tainted(),
init_utsname()->release,
(int)strcspn(init_utsname()->version, " "),
init_utsname()->version);
printk("Process %s (pid: %d, task: %p, ksp: %p)\n",
current->comm, current->pid, current,
(void *) current->thread.ksp);
show_registers(regs);
/* Show stack backtrace if pt_regs is from kernel mode */
if (!(regs->psw.mask & PSW_MASK_PSTATE))
show_trace(NULL, (unsigned long *) regs->gprs[15]);
show_last_breaking_event(regs);
}
/* This is called from fs/proc/array.c */
void task_show_regs(struct seq_file *m, struct task_struct *task)
{

9
include/asm-s390/processor.h
View File

@ -172,16 +172,7 @@ extern unsigned long thread_saved_pc(struct task_struct *t);
*/
extern void task_show_regs(struct seq_file *m, struct task_struct *task);
extern void show_registers(struct pt_regs *regs);
extern void show_code(struct pt_regs *regs);
extern void show_trace(struct task_struct *task, unsigned long *sp);
#ifdef CONFIG_64BIT
extern void show_last_breaking_event(struct pt_regs *regs);
#else
static inline void show_last_breaking_event(struct pt_regs *regs)
{
}
#endif
unsigned long get_wchan(struct task_struct *p);
#define task_pt_regs(tsk) ((struct pt_regs *) \