1 files changed, 0 insertions, 127 deletions
diff --git a/ANDROID_3.4.5/arch/x86/oprofile/backtrace.c b/ANDROID_3.4.5/arch/x86/oprofile/backtrace.c
deleted file mode 100644
index d6aa6e83..00000000
--- a/ANDROID_3.4.5/arch/x86/oprofile/backtrace.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/**
- * @file backtrace.c
- *
- * @remark Copyright 2002 OProfile authors
- * @remark Read the file COPYING
- *
- * @author John Levon
- * @author David Smith
- */
-
-#include <linux/oprofile.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/compat.h>
-#include <linux/uaccess.h>
-
-#include <asm/ptrace.h>
-#include <asm/stacktrace.h>
-
-static int backtrace_stack(void *data, char *name)
-{
-	/* Yes, we want all stacks */
-	return 0;
-}
-
-static void backtrace_address(void *data, unsigned long addr, int reliable)
-{
-	unsigned int *depth = data;
-
-	if ((*depth)--)
-		oprofile_add_trace(addr);
-}
-
-static struct stacktrace_ops backtrace_ops = {
-	.stack		= backtrace_stack,
-	.address	= backtrace_address,
-	.walk_stack	= print_context_stack,
-};
-
-#ifdef CONFIG_COMPAT
-static struct stack_frame_ia32 *
-dump_user_backtrace_32(struct stack_frame_ia32 *head)
-{
-	/* Also check accessibility of one struct frame_head beyond: */
-	struct stack_frame_ia32 bufhead[2];
-	struct stack_frame_ia32 *fp;
-	unsigned long bytes;
-
-	bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead));
-	if (bytes != sizeof(bufhead))
-		return NULL;
-
-	fp = (struct stack_frame_ia32 *) compat_ptr(bufhead[0].next_frame);
-
-	oprofile_add_trace(bufhead[0].return_address);
-
-	/* frame pointers should strictly progress back up the stack
-	* (towards higher addresses) */
-	if (head >= fp)
-		return NULL;
-
-	return fp;
-}
-
-static inline int
-x86_backtrace_32(struct pt_regs * const regs, unsigned int depth)
-{
-	struct stack_frame_ia32 *head;
-
-	/* User process is IA32 */
-	if (!current || !test_thread_flag(TIF_IA32))
-		return 0;
-
-	head = (struct stack_frame_ia32 *) regs->bp;
-	while (depth-- && head)
-		head = dump_user_backtrace_32(head);
-
-	return 1;
-}
-
-#else
-static inline int
-x86_backtrace_32(struct pt_regs * const regs, unsigned int depth)
-{
-	return 0;
-}
-#endif /* CONFIG_COMPAT */
-
-static struct stack_frame *dump_user_backtrace(struct stack_frame *head)
-{
-	/* Also check accessibility of one struct frame_head beyond: */
-	struct stack_frame bufhead[2];
-	unsigned long bytes;
-
-	bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead));
-	if (bytes != sizeof(bufhead))
-		return NULL;
-
-	oprofile_add_trace(bufhead[0].return_address);
-
-	/* frame pointers should strictly progress back up the stack
-	 * (towards higher addresses) */
-	if (head >= bufhead[0].next_frame)
-		return NULL;
-
-	return bufhead[0].next_frame;
-}
-
-void
-x86_backtrace(struct pt_regs * const regs, unsigned int depth)
-{
-	struct stack_frame *head = (struct stack_frame *)frame_pointer(regs);
-
-	if (!user_mode_vm(regs)) {
-		unsigned long stack = kernel_stack_pointer(regs);
-		if (depth)
-			dump_trace(NULL, regs, (unsigned long *)stack, 0,
-				   &backtrace_ops, &depth);
-		return;
-	}
-
-	if (x86_backtrace_32(regs, depth))
-		return;
-
-	while (depth-- && head)
-		head = dump_user_backtrace(head);
-}