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/*
* Copyright lizhirui
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-05-18 lizhirui the first version
* 2021-05-20 lizhirui add os debug support
*/
#ifndef __SYMBOL_ANALYSIS_H__
#define __SYMBOL_ANALYSIS_H__
#include <rtthread.h>
//osdebug节区头描述结构体
typedef struct os_symtab_header
{
rt_size_t function_table_offset;//函数表的偏移地址（相对于节区起始地址，下同）
rt_size_t function_table_num;//函数表中的符号数量
rt_size_t object_table_offset;//对象表的偏移地址
rt_size_t object_table_num;//对象表中的符号数量
rt_size_t general_symbol_table_offset;//一般符号（指代类型虽为NONE但带有GLOBAL的符号）表的偏移地址
rt_size_t general_symbol_table_num;//一般符号表中的符号数量
rt_size_t string_table_offset;//字符串表的偏移地址
rt_size_t string_table_size;//字符串表的大小（字节为单位）
}os_symtab_header;
//符号描述结构体
typedef struct os_symtab_item
{
rt_size_t name_offset;//符号名称在字符串表中的偏移地址
rt_size_t address;//该符号所代表的地址
rt_size_t size;//该符号所代表的大小
}os_symtab_item;
os_symtab_item *find_symbol_table(rt_size_t symbol_table_addr,rt_size_t symbol_num,rt_size_t address);
const char *get_symbol_name(os_symtab_item *symbol);
void print_symbol(os_symtab_item *symbol,rt_size_t address);
void print_symbol_info(rt_size_t address,rt_bool_t function);
void print_stacktrace(rt_size_t epc,rt_size_t fp);
#endif
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