diff options
Diffstat (limited to 'arch/sparc64/kernel/stacktrace.c')
-rw-r--r-- | arch/sparc64/kernel/stacktrace.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/arch/sparc64/kernel/stacktrace.c b/arch/sparc64/kernel/stacktrace.c deleted file mode 100644 index 4e21d4a57d3..00000000000 --- a/arch/sparc64/kernel/stacktrace.c +++ /dev/null @@ -1,50 +0,0 @@ -#include <linux/sched.h> -#include <linux/stacktrace.h> -#include <linux/thread_info.h> -#include <linux/module.h> -#include <asm/ptrace.h> -#include <asm/stacktrace.h> - -#include "kstack.h" - -void save_stack_trace(struct stack_trace *trace) -{ - struct thread_info *tp = task_thread_info(current); - unsigned long ksp, fp; - - stack_trace_flush(); - - __asm__ __volatile__( - "mov %%fp, %0" - : "=r" (ksp) - ); - - fp = ksp + STACK_BIAS; - do { - struct sparc_stackf *sf; - struct pt_regs *regs; - unsigned long pc; - - if (!kstack_valid(tp, fp)) - break; - - sf = (struct sparc_stackf *) fp; - regs = (struct pt_regs *) (sf + 1); - - if (kstack_is_trap_frame(tp, regs)) { - if (!(regs->tstate & TSTATE_PRIV)) - break; - pc = regs->tpc; - fp = regs->u_regs[UREG_I6] + STACK_BIAS; - } else { - pc = sf->callers_pc; - fp = (unsigned long)sf->fp + STACK_BIAS; - } - - if (trace->skip > 0) - trace->skip--; - else - trace->entries[trace->nr_entries++] = pc; - } while (trace->nr_entries < trace->max_entries); -} -EXPORT_SYMBOL_GPL(save_stack_trace); |