Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 185 deletions

diff --git a/ANDROID_3.4.5/arch/parisc/kernel/ftrace.c b/ANDROID_3.4.5/arch/parisc/kernel/ftrace.c
deleted file mode 100644
index 5beb97ba..00000000
--- a/ANDROID_3.4.5/arch/parisc/kernel/ftrace.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
- * Code for tracing calls in Linux kernel.
- * Copyright (C) 2009 Helge Deller <deller@gmx.de>
- *
- * based on code for x86 which is:
- * Copyright (C) 2007-2008 Steven Rostedt <srostedt@redhat.com>
- *
- * future possible enhancements:
- * 	- add CONFIG_DYNAMIC_FTRACE
- *	- add CONFIG_STACK_TRACER
- */
-
-#include <linux/init.h>
-#include <linux/ftrace.h>
-
-#include <asm/sections.h>
-#include <asm/ftrace.h>
-
-
-
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
-
-/* Add a function return address to the trace stack on thread info.*/
-static int push_return_trace(unsigned long ret, unsigned long long time,
-				unsigned long func, int *depth)
-{
-	int index;
-
-	if (!current->ret_stack)
-		return -EBUSY;
-
-	/* The return trace stack is full */
-	if (current->curr_ret_stack == FTRACE_RETFUNC_DEPTH - 1) {
-		atomic_inc(&current->trace_overrun);
-		return -EBUSY;
-	}
-
-	index = ++current->curr_ret_stack;
-	barrier();
-	current->ret_stack[index].ret = ret;
-	current->ret_stack[index].func = func;
-	current->ret_stack[index].calltime = time;
-	*depth = index;
-
-	return 0;
-}
-
-/* Retrieve a function return address to the trace stack on thread info.*/
-static void pop_return_trace(struct ftrace_graph_ret *trace, unsigned long *ret)
-{
-	int index;
-
-	index = current->curr_ret_stack;
-
-	if (unlikely(index < 0)) {
-		ftrace_graph_stop();
-		WARN_ON(1);
-		/* Might as well panic, otherwise we have no where to go */
-		*ret = (unsigned long)
-			dereference_function_descriptor(&panic);
-		return;
-	}
-
-	*ret = current->ret_stack[index].ret;
-	trace->func = current->ret_stack[index].func;
-	trace->calltime = current->ret_stack[index].calltime;
-	trace->overrun = atomic_read(&current->trace_overrun);
-	trace->depth = index;
-	barrier();
-	current->curr_ret_stack--;
-
-}
-
-/*
- * Send the trace to the ring-buffer.
- * @return the original return address.
- */
-unsigned long ftrace_return_to_handler(unsigned long retval0,
-				       unsigned long retval1)
-{
-	struct ftrace_graph_ret trace;
-	unsigned long ret;
-
-	pop_return_trace(&trace, &ret);
-	trace.rettime = local_clock();
-	ftrace_graph_return(&trace);
-
-	if (unlikely(!ret)) {
-		ftrace_graph_stop();
-		WARN_ON(1);
-		/* Might as well panic. What else to do? */
-		ret = (unsigned long)
-			dereference_function_descriptor(&panic);
-	}
-
-	/* HACK: we hand over the old functions' return values
-	   in %r23 and %r24. Assembly in entry.S will take care
-	   and move those to their final registers %ret0 and %ret1 */
-	asm( "copy %0, %%r23 \n\t"
-	     "copy %1, %%r24 \n" : : "r" (retval0), "r" (retval1) );
-
-	return ret;
-}
-
-/*
- * Hook the return address and push it in the stack of return addrs
- * in current thread info.
- */
-void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
-{
-	unsigned long old;
-	unsigned long long calltime;
-	struct ftrace_graph_ent trace;
-
-	if (unlikely(atomic_read(&current->tracing_graph_pause)))
-		return;
-
-	old = *parent;
-	*parent = (unsigned long)
-		  dereference_function_descriptor(&return_to_handler);
-
-	if (unlikely(!__kernel_text_address(old))) {
-		ftrace_graph_stop();
-		*parent = old;
-		WARN_ON(1);
-		return;
-	}
-
-	calltime = local_clock();
-
-	if (push_return_trace(old, calltime,
-				self_addr, &trace.depth) == -EBUSY) {
-		*parent = old;
-		return;
-	}
-
-	trace.func = self_addr;
-
-	/* Only trace if the calling function expects to */
-	if (!ftrace_graph_entry(&trace)) {
-		current->curr_ret_stack--;
-		*parent = old;
-	}
-}
-
-#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
-
-
-void ftrace_function_trampoline(unsigned long parent,
-				unsigned long self_addr,
-				unsigned long org_sp_gr3)
-{
-	extern ftrace_func_t ftrace_trace_function;
-
-	if (function_trace_stop)
-		return;
-
-	if (ftrace_trace_function != ftrace_stub) {
-		ftrace_trace_function(parent, self_addr);
-		return;
-	}
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
-	if (ftrace_graph_entry && ftrace_graph_return) {
-		unsigned long sp;
-		unsigned long *parent_rp;
-
-                asm volatile ("copy %%r30, %0" : "=r"(sp));
-		/* sanity check: is stack pointer which we got from
-		   assembler function in entry.S in a reasonable
-		   range compared to current stack pointer? */
-		if ((sp - org_sp_gr3) > 0x400)
-			return;
-
-		/* calculate pointer to %rp in stack */
-		parent_rp = (unsigned long *) org_sp_gr3 - 0x10;
-		/* sanity check: parent_rp should hold parent */
-		if (*parent_rp != parent)
-			return;
-		
-		prepare_ftrace_return(parent_rp, self_addr);
-		return;
-	}
-#endif
-}
-