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[PATCH] i386: reliable stack trace support (i386)

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These are the i386-specific pieces to enable reliable stack traces. This is
going to be even more useful once CFI annotations get added to he assembly
code, namely to entry.S.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jan Beulich
2006-06-26 13:57:41 +02:00
committed by Linus Torvalds
parent dffead4e42
commit 176a2718f4
7 changed files with 179 additions and 13 deletions
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2
include/asm-i386/processor.h
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@@ -555,7 +555,7 @@ extern void prepare_to_copy(struct task_struct *tsk);
extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
extern unsigned long thread_saved_pc(struct task_struct *tsk);
void show_trace(struct task_struct *task, unsigned long *stack);
void show_trace(struct task_struct *task, struct pt_regs *regs, unsigned long *stack);
unsigned long get_wchan(struct task_struct *p);