修复hash_32的bug,增加进程监控(没做完,还需要加一些东西)

linux_kernel/my_kallsyms_lookup_name.c

@@ -0,0 +1,30 @@
+#include "my_kallsyms_lookup_name.h"
+unsigned long (*g_kallsyms_lookup_name_fun)(const char *name) = NULL;
+
+int kallsyms_lookup_name_pre(struct kprobe *p, struct pt_regs *regs) {
+    return 0;
+}
+static struct kprobe kp_kallsyms_lookup_name = {
+    .symbol_name = "kallsyms_lookup_name",
+};
+
+// 调用kprobe找到kallsyms_lookup_name的地址位置
+int init_kallsyms_lookup_name_i(void) {
+    int ret = -1;
+    kp_kallsyms_lookup_name.pre_handler = kallsyms_lookup_name_pre;
+    ret = register_kprobe(&kp_kallsyms_lookup_name);
+    if (ret < 0) {
+        printk(KERN_INFO "register_kprobe failed, error:%d\n", ret);
+        return ret;
+    }
+    printk(KERN_INFO "kallsyms_lookup_name addr: %p\n",
+           kp_kallsyms_lookup_name.addr);
+    g_kallsyms_lookup_name_fun = (void *)kp_kallsyms_lookup_name.addr;
+    unregister_kprobe(&kp_kallsyms_lookup_name);
+    return ret;
+}
+
+bool init_kallsyms_lookup_name(void) {
+    init_kallsyms_lookup_name_i();
+    return g_kallsyms_lookup_name_fun != NULL;
+}