diff options
Diffstat (limited to 'arch/arm/kernel/traps.c')
| -rw-r--r-- | arch/arm/kernel/traps.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index f68ca0fb0ed..57eb0f6f600 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -27,6 +27,7 @@ #include <asm/system.h> #include <asm/unistd.h> #include <asm/traps.h> +#include <asm/unwind.h> #include "ptrace.h" #include "signal.h" @@ -61,6 +62,7 @@ void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long dump_mem("Exception stack", frame + 4, frame + 4 + sizeof(struct pt_regs)); } +#ifndef CONFIG_ARM_UNWIND /* * Stack pointers should always be within the kernels view of * physical memory. If it is not there, then we can't dump @@ -74,6 +76,7 @@ static int verify_stack(unsigned long sp) return 0; } +#endif /* * Dump out the contents of some memory nicely... @@ -150,6 +153,12 @@ static void dump_instr(struct pt_regs *regs) set_fs(fs); } +#ifdef CONFIG_ARM_UNWIND +static inline void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk) +{ + unwind_backtrace(regs, tsk); +} +#else static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk) { unsigned int fp, mode; @@ -184,6 +193,7 @@ static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk) if (ok) c_backtrace(fp, mode); } +#endif void dump_stack(void) { |