Drop 'linux/uprobes.h' wrapper

[lttng-modules.git] / include / wrapper / uprobes.h

diff --git a/include/wrapper/uprobes.h b/include/wrapper/uprobes.h
deleted file mode 100644 (file)
index 9cbbe3b..0000000
--- a/include/wrapper/uprobes.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
- *
- * wrapper/uprobes.h
- *
- * wrapper around uprobes. Using KALLSYMS to get its address when
- * available, else we need to have a kernel that exports this function to GPL
- * modules.
- *
- * Copyright (C) 2013 Yannick Brosseau <yannick.brosseau@gmail.com>
- * Copyright (C) 2017 Francis Deslauriers <francis.deslauriers@efficios.com>
- *
- */
-
-#ifndef _LTTNG_WRAPPER_UPROBES_H
-#define _LTTNG_WRAPPER_UPROBES_H
-
-#include <lttng/kernel-version.h>
-
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,5,0))
-#include <linux/uprobes.h>
-
-/* Use kallsym lookup for version before 3.9. */
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0))
-
-static inline
-int wrapper_uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc)
-{
-       return uprobe_register(inode, offset, uc);
-}
-
-static inline
-void wrapper_uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *uc)
-{
-       uprobe_unregister(inode, offset, uc);
-}
-
-#else /* Version < 3.9, use kallsym lookup. */
-#include "kallsyms.h"
-
-static inline
-int wrapper_uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc)
-{
-       int (*uprobe_register_sym)(struct inode *inode, loff_t offset, struct uprobe_consumer *uc);
-
-       uprobe_register_sym = (void *) kallsyms_lookup_funcptr("uprobe_register");
-
-       if (uprobe_register_sym) {
-               return uprobe_register_sym(inode, offset, uc);
-       } else {
-                printk(KERN_WARNING "LTTng: uprobe_register symbol lookup failed.\n");
-                return -EINVAL;
-       }
-}
-
-/*
- * Canary function to check for 'uprobe_register()' at compile time.
- *
- * From 'include/linux/uprobes.h':
- *
- *   extern int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc);
- */
-static inline
-int __canary__uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc)
-{
-       return uprobe_register(inode, offset, uc);
-}
-
-static inline
-void wrapper_uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *uc)
-{
-        int (*uprobe_unregister_sym)(struct inode *inode, loff_t offset, struct uprobe_consumer *uc);
-
-        uprobe_unregister_sym = (void *) kallsyms_lookup_funcptr("uprobe_unregister");
-
-        if (uprobe_unregister_sym) {
-                uprobe_unregister_sym(inode, offset, uc);
-        } else {
-                printk(KERN_WARNING "LTTng: uprobe_unregister symbol lookup failed.\n");
-                WARN_ON(1);
-        }
-}
-
-/*
- * Canary function to check for 'uprobe_unregister()' at compile time.
- *
- * From 'include/linux/uprobes.h':
- *
- *   extern void uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *uc);
- */
-static inline
-void __canary__uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *uc)
-{
-       uprobe_unregister(inode, offset, uc);
-}
-
-#endif
-#else
-/* Version <  3.5, before uprobe was added. */
-struct uprobe_consumer {};
-
-#endif
-#endif