#!/bin/bash

#                    auto make System.map to C header file

# 说明：

#     该脚本主要是将Linux内核生成的System.map文件中的符号、地址存入结构体中，

# 目前认为也许可以在内核驱动中直接调用对应的函数。以前在学习裸板开发中就有

# 使用Uboot中提供的printf来写程序的先例，那么这里应该也是可以的，不过这里没

# 有什么实用性，因为5W个函数，但这个结构体就要用掉进200kByte空间。

#

#                                          -- 深圳 南山平山村 曾剑锋

if [ $# -ne  ]; then

    echo "USAGE:"

    echo "    systemMap.sh <your system.Map file>"

    exit -

fi

cat > systemMap.h << EOF

#ifndef __SYSTEM_MAP_H__

#define __SYSTEM_MAP_H__

typedef struct System_header {

EOF

cat $ | awk '{print "\t unsigned int "$3";"}' | sort | uniq | grep -v "[\.&]" >> systemMap.h

cat >> systemMap.h << EOF

} System_header;

System_header system_header = {

EOF

cat $ | awk '{print $3 " \t= " "0x"$1","}' | sort -n -k1 | uniq | grep -v "[\.&]" | sed -e "s/^/\\t\./g" >> systemMap.h 

cat >> systemMap.h << EOF

};

#endif // __SYSTEM_MAP_H__

EOF

# cat systemMap.h

#     #ifndef __SYSTEM_MAP_H__

#     #define __SYSTEM_MAP_H__

#

#     typedef struct System_header {

#          unsigned int a_aidl_bdis_tmr;

#          unsigned int aalg_list;

#          unsigned int ablkcipher_decrypt;

#          unsigned int ablkcipher_decrypt_done;

#          unsigned int ablkcipher_encrypt;

#          unsigned int ablkcipher_encrypt_done;

#          ......

#     } System_header;

#

#     System_header system_header = {

#         .a_aidl_bdis_tmr     = 0xc0a62660,

#         .aalg_list     = 0xc09f2a28,

#         .ablkcipher_decrypt     = 0xc04c3568,

#         .ablkcipher_decrypt_done     = 0xc04c1480,

#         .ablkcipher_encrypt     = 0xc04c34d4,

#         .ablkcipher_encrypt_done     = 0xc04c14f0,

#         ......

#     };

#     #endif // __SYSTEM_MAP_H_