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| author | Brian Norris <computersforpeace@gmail.com> | 2014-08-19 11:57:23 -0700 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2014-08-19 11:57:23 -0700 |
| commit | 5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3 (patch) | |
| tree | 090c7c069bc6c0f2b368ed8d0af861c275525411 /arch/arm/include/asm/stacktrace.h | |
| parent | b25046b1e5e3f1423434da77ccc859f2f779d1ce (diff) | |
| parent | 54ea17a597b00e46b3720e75dd7595cd5dfa5670 (diff) | |
| download | linux-stable-5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3.tar.gz linux-stable-5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3.tar.bz2 linux-stable-5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3.zip | |
Merge l2-mtd/next into l2-mtd/master
Diffstat (limited to 'arch/arm/include/asm/stacktrace.h')
| -rw-r--r-- | arch/arm/include/asm/stacktrace.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/include/asm/stacktrace.h b/arch/arm/include/asm/stacktrace.h index 4d0a16441b29..7722201ead19 100644 --- a/arch/arm/include/asm/stacktrace.h +++ b/arch/arm/include/asm/stacktrace.h @@ -1,13 +1,28 @@ #ifndef __ASM_STACKTRACE_H #define __ASM_STACKTRACE_H +#include <asm/ptrace.h> + struct stackframe { + /* + * FP member should hold R7 when CONFIG_THUMB2_KERNEL is enabled + * and R11 otherwise. + */ unsigned long fp; unsigned long sp; unsigned long lr; unsigned long pc; }; +static __always_inline +void arm_get_current_stackframe(struct pt_regs *regs, struct stackframe *frame) +{ + frame->fp = frame_pointer(regs); + frame->sp = regs->ARM_sp; + frame->lr = regs->ARM_lr; + frame->pc = regs->ARM_pc; +} + extern int unwind_frame(struct stackframe *frame); extern void walk_stackframe(struct stackframe *frame, int (*fn)(struct stackframe *, void *), void *data); |