move everything out of trunk

[lttv.git] / trunk / attic / marker-loader / marker-loader.c

diff --git a/trunk/attic/marker-loader/marker-loader.c b/trunk/attic/marker-loader/marker-loader.c
deleted file mode 100644 (file)
index b02e6b5..0000000
--- a/trunk/attic/marker-loader/marker-loader.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/* marker-loader.c
- *
- * Marker Loader
- *
- * Loads a function at a marker call site.
- *
- * (C) Copyright 2006 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
- *
- * This file is released under the GPLv2.
- * See the file COPYING for more details.
- */
-
-#include <linux/marker.h>
-#include <linux/module.h>
-#include <linux/kallsyms.h>
-
-/* function to install */
-void do_mark1(const char *format, int value)
-{
-       printk("value is %d\n", value);
-}
-
-static void *saved_over;
-
-static void **target_mark_call;
-static void **target_mark_jump_over;
-static void **target_mark_jump_call;
-static void **target_mark_jump_inline;
-
-void show_symbol_pointers(void)
-{
-       printk("Marker loader : Loading symbols...\n");
-       printk("  %s %p %p\n", __stringify(CALL), target_mark_call,
-               target_mark_call?*target_mark_call:0x0);
-       printk("  %s %p %p\n", __stringify(JUMP_OVER), target_mark_jump_over,
-               target_mark_jump_over?*target_mark_jump_over:0x0);
-       printk("  %s %p %p\n", __stringify(JUMP_CALL), target_mark_jump_call,
-               target_mark_jump_call?*target_mark_jump_call:0x0);
-       printk("  %s %p %p\n", __stringify(JUMP_INLINE), target_mark_jump_inline,
-               target_mark_jump_inline?*target_mark_jump_inline:0x0);
-}
-
-int mark_install_hook(void)
-{
-       target_mark_call = (void**)kallsyms_lookup_name(__stringify(CALL));
-       target_mark_jump_over = (void**)kallsyms_lookup_name(__stringify(JUMP_OVER));
-       target_mark_jump_call = (void**)kallsyms_lookup_name(__stringify(JUMP_CALL));
-       target_mark_jump_inline = (void**)kallsyms_lookup_name(__stringify(JUMP_INLINE));
-
-       show_symbol_pointers();
-       
-       if(!(target_mark_call && target_mark_jump_over && target_mark_jump_call && 
-               target_mark_jump_inline)) {
-               printk("Target symbols missing in kallsyms.\n");
-               return -EPERM;
-       }
-       
-       printk("Installing hook\n");
-       *target_mark_call = (void*)do_mark1;
-       saved_over = *target_mark_jump_over;
-       *target_mark_jump_over = *target_mark_jump_call;
-
-       return 0;
-}
-
-int init_module(void)
-{
-       return mark_install_hook();
-}
-
-void cleanup_module(void)
-{
-       printk("Removing hook\n");
-       *target_mark_jump_over = saved_over;
-       *target_mark_call = __mark_empty_function;
-
-       /* Wait for instrumentation functions to return before quitting */
-       synchronize_sched();
-}
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Mathieu Desnoyers");
-MODULE_DESCRIPTION("Marker Loader");
-