diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-08-05 10:27:13 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-08-05 10:27:13 +0100 |
| commit | 7109561524dc57b95fd3f9b61547268b9b6db8ed (patch) | |
| tree | df08f565b2c616b7e68fe35cd428a8c5ba3bfcb1 /arch/arm/include/asm/stacktrace.h | |
| parent | 6bf755db4d5e7ccea61fb17727a183b9bd8945b1 (diff) | |
| parent | 3bb70de692f70861f5c5729cd2b870d0104a7cc9 (diff) | |
Merge branches 'fixes' and 'misc' into for-next
Conflicts:
arch/arm/kernel/iwmmxt.S
arch/arm/mm/cache-l2x0.c
arch/arm/mm/mmu.c
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 4d0a16441b2..7722201ead1 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); |