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ElfReader: add some convenience functions

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This commit is contained in:
Christian Dietrich
2013-03-06 17:15:32 +01:00
parent 532ec87b27
commit c1f32f5a98
3 changed files with 39 additions and 7 deletions
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29
src/core/util/ElfReader.hpp
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@ -21,21 +21,26 @@ namespace fail {
guest_address_t address;
size_t size;
int m_type;
int m_symbol_type;
public:
enum { SECTION = 1, SYMBOL = 2, UNDEFINED = 3, };
ElfSymbol(const std::string & name = ELF::NOTFOUND, guest_address_t addr = ADDR_INV, size_t size = -1, int type = UNDEFINED)
: name(name), address(addr), size(size), m_type(type) {};
ElfSymbol(const std::string & name = ELF::NOTFOUND, guest_address_t addr = ADDR_INV, size_t size = -1, int type = UNDEFINED,
int symbol_type = 0)
: name(name), address(addr), size(size), m_type(type), m_symbol_type(symbol_type) {};
const std::string& getName() const { return name; };
std::string getDemangledName() const { return Demangler::demangle(name); };
guest_address_t getAddress() const { return address; };
size_t getSize() const { return size; };
guest_address_t getStart() const { return getAddress(); }; // alias
guest_address_t getEnd() const { return address + size; };
int getSymbolType() const { return m_symbol_type; };
bool isSection() const { return m_type == SECTION; };
bool isSymbol() const { return m_type == SYMBOL; };
bool isValid() const { return name != ELF::NOTFOUND; };
bool operator==(const std::string& rhs) const {
if(rhs == name){
@ -56,7 +61,12 @@ namespace fail {
return (ad >= address) && (ad < address+size);
}
};
/**
* \fn
* \relates ElfSymbol
* overloaded stream operator for printing ElfSymbol
*/
std::ostream& operator<< (std::ostream &out, const ElfSymbol &symbol);
/**
* \class ElfReader
@ -67,6 +77,9 @@ namespace fail {
class ElfReader {
public:
typedef ElfSymbol entry_t;
typedef std::vector<entry_t> container_t;
typedef container_t::const_iterator symbol_iterator;
/**
* Constructor.
@ -124,6 +137,13 @@ namespace fail {
*/
const ElfSymbol& getSection( const std::string& name );
/**
* Get symboltable iterator. Derefences to a ElfSymbol
* @return iterator
*/
container_t::const_iterator sym_begin() { return m_symboltable.begin(); }
container_t::const_iterator sym_end() { return m_symboltable.end(); }
private:
Logger m_log;
@ -131,9 +151,6 @@ namespace fail {
int process_symboltable(int sect_num, FILE* fp);
int process_section(Elf32_Shdr *sect_hdr, char* sect_name_buff);
typedef ElfSymbol entry_t;
typedef std::vector<entry_t> container_t;
container_t m_symboltable;
container_t m_sectiontable;