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Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/kernel/stacktrace.c')
-rw-r--r--ANDROID_3.4.5/arch/powerpc/kernel/stacktrace.c63
1 files changed, 0 insertions, 63 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/kernel/stacktrace.c b/ANDROID_3.4.5/arch/powerpc/kernel/stacktrace.c
deleted file mode 100644
index 3d30ef10..00000000
--- a/ANDROID_3.4.5/arch/powerpc/kernel/stacktrace.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Stack trace utility
- *
- * Copyright 2008 Christoph Hellwig, IBM Corp.
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/export.h>
-#include <linux/sched.h>
-#include <linux/stacktrace.h>
-#include <asm/ptrace.h>
-#include <asm/processor.h>
-
-/*
- * Save stack-backtrace addresses into a stack_trace buffer.
- */
-static void save_context_stack(struct stack_trace *trace, unsigned long sp,
- struct task_struct *tsk, int savesched)
-{
- for (;;) {
- unsigned long *stack = (unsigned long *) sp;
- unsigned long newsp, ip;
-
- if (!validate_sp(sp, tsk, STACK_FRAME_OVERHEAD))
- return;
-
- newsp = stack[0];
- ip = stack[STACK_FRAME_LR_SAVE];
-
- if (savesched || !in_sched_functions(ip)) {
- if (!trace->skip)
- trace->entries[trace->nr_entries++] = ip;
- else
- trace->skip--;
- }
-
- if (trace->nr_entries >= trace->max_entries)
- return;
-
- sp = newsp;
- }
-}
-
-void save_stack_trace(struct stack_trace *trace)
-{
- unsigned long sp;
-
- asm("mr %0,1" : "=r" (sp));
-
- save_context_stack(trace, sp, current, 1);
-}
-EXPORT_SYMBOL_GPL(save_stack_trace);
-
-void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
-{
- save_context_stack(trace, tsk->thread.ksp, tsk, 0);
-}
-EXPORT_SYMBOL_GPL(save_stack_trace_tsk);