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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef _CORKSCREW_SYMBOL_TABLE_H
     18 #define _CORKSCREW_SYMBOL_TABLE_H
     19 
     20 #include <stdint.h>
     21 #include <sys/types.h>
     22 
     23 #ifdef __cplusplus
     24 extern "C" {
     25 #endif
     26 
     27 typedef struct {
     28     uintptr_t start;
     29     uintptr_t end;
     30     char* name;
     31 } symbol_t;
     32 
     33 typedef struct {
     34     symbol_t* symbols;
     35     size_t num_symbols;
     36 } symbol_table_t;
     37 
     38 /*
     39  * Loads a symbol table from a given file.
     40  * Returns NULL on error.
     41  */
     42 symbol_table_t* load_symbol_table(const char* filename);
     43 
     44 /*
     45  * Frees a symbol table.
     46  */
     47 void free_symbol_table(symbol_table_t* table);
     48 
     49 /*
     50  * Finds a symbol associated with an address in the symbol table.
     51  * Returns NULL if not found.
     52  */
     53 const symbol_t* find_symbol(const symbol_table_t* table, uintptr_t addr);
     54 
     55 #ifdef __cplusplus
     56 }
     57 #endif
     58 
     59 #endif // _CORKSCREW_SYMBOL_TABLE_H
     60