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MIPS: Add new unwind_stack variant

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The unwind_stack_by_address variant supports unwinding based
on any kernel code address.
This symbol is also exported so it can be called from modules.

Signed-off-by: Daniel Kalmar <kalmard@homejinni.com>
Signed-off-by: Gergely Kis <gergely@homejinni.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
This commit is contained in:
Daniel Kalmar
2011-05-13 08:38:04 -04:00
committed by Robert Richter
parent 2c53b436a3
commit 94ea09c6a8
2 changed files with 18 additions and 5 deletions
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4
arch/mips/include/asm/stacktrace.h
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@ -7,6 +7,10 @@
extern int raw_show_trace;
extern unsigned long unwind_stack(struct task_struct *task, unsigned long *sp,
unsigned long pc, unsigned long *ra);
extern unsigned long unwind_stack_by_address(unsigned long stack_page,
unsigned long *sp,
unsigned long pc,
unsigned long *ra);
#else
#define raw_show_trace 1
static inline unsigned long unwind_stack(struct task_struct *task,