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h8300: show_stack cleanup 

- fix stack limit. h8300's stack not aligned 4byte.
- pritty output form.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
This commit is contained in:
Yoshinori Sato 2016-01-15 17:07:32 +09:00
parent db903b462b
commit bf24eec39a
2 changed files with 9 additions and 13 deletions
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2
arch/h8300/include/asm/traps.h
View File

@ -36,6 +36,6 @@ extern unsigned long *_interrupt_redirect_table;
extern char _start, _etext;
#define check_kernel_text(addr) \
((addr >= (unsigned long)(&_start)) && \
(addr < (unsigned long)(&_etext)))
(addr < (unsigned long)(&_etext)) && !(addr & 1))
#endif /* _H8300_TRAPS_H */

20
arch/h8300/kernel/traps.c
View File

@ -125,17 +125,18 @@ void show_stack(struct task_struct *task, unsigned long *esp)
pr_info("Stack from %08lx:", (unsigned long)stack);
for (i = 0; i < kstack_depth_to_print; i++) {
if (((unsigned long)stack & (THREAD_SIZE - 1)) == 0)
if (((unsigned long)stack & (THREAD_SIZE - 1)) >=
THREAD_SIZE-4)
break;
if (i % 8 == 0)
pr_info("\n ");
pr_info(" %08lx", *stack++);
pr_info(" ");
pr_cont(" %08lx", *stack++);
}
pr_info("\nCall Trace:");
pr_info("\nCall Trace:\n");
i = 0;
stack = esp;
while (((unsigned long)stack & (THREAD_SIZE - 1)) != 0) {
while (((unsigned long)stack & (THREAD_SIZE - 1)) < THREAD_SIZE-4) {
addr = *stack++;
/*
* If the address is either in the text segment of the
@ -147,15 +148,10 @@ void show_stack(struct task_struct *task, unsigned long *esp)
*/
if (check_kernel_text(addr)) {
if (i % 4 == 0)
pr_info("\n ");
pr_info(" [<%08lx>]", addr);
pr_info(" ");
pr_cont(" [<%08lx>]", addr);
i++;
}
}
pr_info("\n");
}
void show_trace_task(struct task_struct *tsk)
{
show_stack(tsk, (unsigned long *)tsk->thread.esp0);
}