From 12a0e05357046e18cfe523bd5f58ca1da9232749 Mon Sep 17 00:00:00 2001
From: gatieme <gatieme@163.com>
Date: Mon, 8 May 2017 13:44:10 +0800
Subject: [PATCH] hello...

---
 .../1-3register_chrdev/test/test              | Bin 0 -> 8910 bytes
 .../3-components_of_a_systemTap_script/1.stp  |  16 ++++
 study/debug/tools/systemtap/1.stp             |  22 +++++
 study/debug/tools/systemtap/m.stp             |   9 ++
 study/debug/tools/systemtap/t.c               |  21 +++++
 study/driver/00-code/android/hello/hello.c    |   1 +
 study/driver/00-code/export_symbol/Makefile   |  80 ++++++++++++++++++
 study/driver/00-code/export_symbol/add_sub.c  |  21 +++++
 study/driver/00-code/export_symbol/add_sub.h  |   8 ++
 study/driver/00-code/export_symbol/test.c     |  52 ++++++++++++
 10 files changed, 230 insertions(+)
 create mode 100755 books/fengguojin/src/1-drivermodel/1-3register_chrdev/test/test
 create mode 100644 study/debug/tools/systemtap/00-code/3-components_of_a_systemTap_script/1.stp
 create mode 100644 study/debug/tools/systemtap/1.stp
 create mode 100644 study/debug/tools/systemtap/m.stp
 create mode 100644 study/debug/tools/systemtap/t.c
 create mode 100644 study/driver/00-code/export_symbol/Makefile
 create mode 100644 study/driver/00-code/export_symbol/add_sub.c
 create mode 100644 study/driver/00-code/export_symbol/add_sub.h
 create mode 100644 study/driver/00-code/export_symbol/test.c

diff --git a/books/fengguojin/src/1-drivermodel/1-3register_chrdev/test/test b/books/fengguojin/src/1-drivermodel/1-3register_chrdev/test/test
new file mode 100755
index 0000000000000000000000000000000000000000..42dc9ddaf04a0803cbac6c2140c3359351087ca5
GIT binary patch
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diff --git a/study/debug/tools/systemtap/00-code/3-components_of_a_systemTap_script/1.stp b/study/debug/tools/systemtap/00-code/3-components_of_a_systemTap_script/1.stp
new file mode 100644
index 0000000..1943202
--- /dev/null
+++ b/study/debug/tools/systemtap/00-code/3-components_of_a_systemTap_script/1.stp
@@ -0,0 +1,16 @@
+
+
+probe syscall.mkdir
+{
+	printf("exit %s\n", argstr);
+}
+
+probe begin
+{
+	printf("test mkdir begin\n");
+}
+
+probe end
+{
+	printf("test mkdir end\n");
+}
diff --git a/study/debug/tools/systemtap/1.stp b/study/debug/tools/systemtap/1.stp
new file mode 100644
index 0000000..4ee8be6
--- /dev/null
+++ b/study/debug/tools/systemtap/1.stp
@@ -0,0 +1,22 @@
+probe begin 
+{
+    log("begin to probe")
+}
+
+
+probe syscall.open
+{
+    printf ("%s(%d) open (%s)\n", execname(), pid(), argstr)
+}
+
+        
+probe timer.ms(4000) # after 4 seconds
+{
+    exit ()
+}
+
+ 
+probe end
+{
+    log("end to probe")
+}
diff --git a/study/debug/tools/systemtap/m.stp b/study/debug/tools/systemtap/m.stp
new file mode 100644
index 0000000..2a5760f
--- /dev/null
+++ b/study/debug/tools/systemtap/m.stp
@@ -0,0 +1,9 @@
+probe process("/lib64/libc.so.6").function("malloc") {
+        if (target()== pid()) {
+                    print_ubacktrace();
+                            exit();
+                                }
+}
+probe begin {
+        println("~");
+}
diff --git a/study/debug/tools/systemtap/t.c b/study/debug/tools/systemtap/t.c
new file mode 100644
index 0000000..5539c31
--- /dev/null
+++ b/study/debug/tools/systemtap/t.c
@@ -0,0 +1,21 @@
+/*************************************************************************
+    > File Name: t.c
+    > Author: gatieme
+    > Created Time: Thu 13 Apr 2017 06:13:39 PM CST
+ ************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+
+
+void fun()
+{
+    malloc(1000);
+}
+
+int main(int argc, char *argv[])
+{
+    fun();
+
+    return 0;
+}
diff --git a/study/driver/00-code/android/hello/hello.c b/study/driver/00-code/android/hello/hello.c
index 2d22a1a..e99ec2d 100644
--- a/study/driver/00-code/android/hello/hello.c
+++ b/study/driver/00-code/android/hello/hello.c
@@ -6,6 +6,7 @@
 #include <linux/device.h>
 #include <asm/uaccess.h>
 #include <linux/slab.h>
+#include <linux/seq_file.h>
 
 #include "hello.h"
 
diff --git a/study/driver/00-code/export_symbol/Makefile b/study/driver/00-code/export_symbol/Makefile
new file mode 100644
index 0000000..b14b45c
--- /dev/null
+++ b/study/driver/00-code/export_symbol/Makefile
@@ -0,0 +1,80 @@
+# ------------------------------------------------------------------------------
+#
+# Makefile for the LDD-LinuxDeviceDrivers.
+#
+# Author: gatieme
+# Create: 2016-07-29 15:50:46
+# Last modified: 2016-07-29 16:10:29
+# Description:
+# 	This program is loaded as a kernel(v2.6.18 or later) module.
+# 	Use "make install" to load it into kernel.
+# 	Use "make remove" to remove the module out of kernel.
+#
+# ------------------------------------------------------------------------------
+
+
+ROOT=..
+#PLATFORM=$(shell $(ROOT)/systype.sh)
+#include $(ROOT)/Make.defines.$(PLATFORM)
+
+#	my driver description
+DRIVER_VERSION := "1.0.0"
+DRIVER_AUTHOR  := "Gatieme @ AderStep Inc..."
+DRIVER_DESC    := "Linux input module for Elo MultiTouch(MT) devices"
+DRIVER_LICENSE := "Dual BSD/GPL"
+
+
+#MODCFLAGS:=-O2 -Wall -DMODULE -D__KERNEL__ -DLINUX -std=c99
+#EXTRA_CFLAGS  += $(MODULE_FLAGS) $(CFG_INC) $(CFG_INC)
+
+
+
+ifneq ($(KERNELRELEASE),) 	# kernelspace
+
+obj-m += add_sub.o
+obj-m += test.o
+
+else						# userspace
+
+
+CURRENT_PATH ?= $(shell pwd)
+LINUX_KERNEL ?= $(shell uname -r)
+LINUX_KERNEL_PATH ?= /lib/modules/$(LINUX_KERNEL)/build
+
+CURRENT_PATH := $(shell pwd)
+
+modules:
+	make -C $(LINUX_KERNEL_PATH) M=$(CURRENT_PATH) modules
+
+modules_install:
+	make -C $(LINUX_KERNEL_PATH) M=$(CURRENT_PATH) modules_install
+
+
+
+insmod:
+	sudo insmod $(MODULE_NAME).ko
+
+reinsmod:
+	sudo rmmod $(MODULE_NAME)
+	sudo insmod $(MODULE_NAME).ko
+
+github:
+	cd $(ROOT) && make github
+
+rmmod:
+	sudo rmmod $(MODULE_NAME)
+
+test :
+	sudo ../injector/memInjector -l stack -m random -t word_0 --time 1 --timeout 3 -p 1
+
+clean:
+	make -C $(LINUX_KERNEL_PATH) M=$(CURRENT_PATH) clean
+	rm -f modules.order Module.symvers Module.markers
+
+.PHNOY:
+	modules modules_install clean
+
+
+
+endif
+
diff --git a/study/driver/00-code/export_symbol/add_sub.c b/study/driver/00-code/export_symbol/add_sub.c
new file mode 100644
index 0000000..fca0130
--- /dev/null
+++ b/study/driver/00-code/export_symbol/add_sub.c
@@ -0,0 +1,21 @@
+#include <linux/init.h>
+#include <linux/module.h>
+
+
+/*  函数返回 a 和 a 的和  */
+long add_integer(int a, int b)
+{
+    return a + b;
+}
+EXPORT_SYMBOL(add_integer);
+
+
+/*  函数返回 a 和 b 的差  */
+long sub_integer(int a, int b)
+{
+    return a - b;
+}
+EXPORT_SYMBOL_GPL(sub_integer);
+
+
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/study/driver/00-code/export_symbol/add_sub.h b/study/driver/00-code/export_symbol/add_sub.h
new file mode 100644
index 0000000..212ebc5
--- /dev/null
+++ b/study/driver/00-code/export_symbol/add_sub.h
@@ -0,0 +1,8 @@
+#ifndef _ADD_SUB_H_
+#define _ADD_SUB_H_
+
+long add_integer(long a, long b);
+
+long sub_integer(long a, long b);
+
+#endif
diff --git a/study/driver/00-code/export_symbol/test.c b/study/driver/00-code/export_symbol/test.c
new file mode 100644
index 0000000..1830b79
--- /dev/null
+++ b/study/driver/00-code/export_symbol/test.c
@@ -0,0 +1,52 @@
+#include <linux/init.h>
+#include <linux/module.h>
+
+#include "add_sub.h"
+
+
+/*  定义模块传递的参数 a, b  */
+static long a = 1;
+module_param(a, long, S_IRUGO);
+
+static long b = 1;
+module_param(b, long, S_IRUGO);
+
+static int add_or_sub = 1;
+module_param(add_or_sub, int, S_IRUGO);
+
+
+static int test_init(void)
+{
+    long result = 0;
+    printk(KERN_ALERT "test init\n");
+
+    if(add_or_sub == 1)
+    {
+        result = add_integer(a, b);
+    }
+    else
+    {
+        result = sub_integer(a, b);
+    }
+
+    printk(KERN_ALERT "The %s result is %ld\n",
+            add_or_sub == 1 ? "ADD" : "SUB", result);
+
+
+    return 0;
+}
+
+
+static void test_exit(void)
+{
+    printk(KERN_ALERT "test exit\n");
+}
+
+module_init(test_init);
+module_exit(test_exit);
+
+/*  描述信息  */
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Zheng Qiang");
+MODULE_DESCRIPTION("A module for testing module param and EXPORT_SYMBOL");
+MODULE_VERSION("V1.0");