Object-elf.C File Reference

#include "Type.h"
#include "Variable.h"
#include "Symbol.h"
#include "Symtab.h"
#include "Object.h"
#include "emitElf.h"
#include "Module.h"
#include "Aggregate.h"
#include "Function.h"
#include "debug.h"
#include "dwarf/h/dwarfHandle.h"
#include "dwarfWalker.h"
#include <elf.h>
#include <stdio.h>
#include <algorithm>
#include "common/h/pathName.h"
#include "Collections.h"
#include <iostream>
#include <iomanip>
#include <fstream>
#include <sys/stat.h>
#include <boost/assign/list_of.hpp>
#include <boost/assign/std/set.hpp>
#include "dynutil/h/SymReader.h"
#include <libgen.h>

Go to the source code of this file.

Data Structures
struct	SectionHeaderSortFunction
Defines
#define	EXTRA_SPACE   8
Functions
void	print_symbols (std::vector< Symbol * > &allsymbols)
void	print_symbol_map (dyn_hash_map< std::string, std::vector< Symbol * > > *symbols)
static bool	pdelf_check_ehdr (Elf_X &elf)
const char *	pdelf_get_shnames (Elf_X *elf)
Region::perm_t	getSegmentPerms (unsigned long flags)
Region::RegionType	getSegmentType (unsigned long type, unsigned long flags)
Region::perm_t	getRegionPerms (unsigned long flags)
Region::RegionType	getRegionType (unsigned long type, unsigned long flags, const char *reg_name)
static Region::RegionType	getRelTypeByElfMachine (Elf_X *localHdr)
static Symbol::SymbolType	pdelf_type (int elf_type)
static Symbol::SymbolLinkage	pdelf_linkage (int elf_binding)
static Symbol::SymbolVisibility	pdelf_visibility (int elf_visibility)
bool	lookUpSymbol (std::vector< Symbol * > &allsymbols, Offset &addr)
bool	lookUpAddress (std::vector< Offset > &jumpTargets, Offset &addr)
void	printSyms (std::vector< Symbol * > &allsymbols)
bool	parseCompilerType (Object *objPtr)
bool	sort_dbg_map (const Object::DbgAddrConversion_t &a, const Object::DbgAddrConversion_t &b)
Variables
string	symt_current_func_name
string	symt_current_mangled_func_name
Symbol *	symt_current_func = NULL
std::vector< Symbol * >	opdsymbols_
void(*	dwarf_err_func )(const char *)
const char *	EDITED_TEXT_NAME = ".edited.text"
const char *	INTERP_NAME = ".interp"
const char *	FINI_NAME = ".fini"
const char *	TEXT_NAME = ".text"
const char *	BSS_NAME = ".bss"
const char *	SYMTAB_NAME = ".symtab"
const char *	STRTAB_NAME = ".strtab"
const char *	STAB_NAME = ".stab"
const char *	STABSTR_NAME = ".stabstr"
const char *	STAB_INDX_NAME = ".stab.index"
const char *	STABSTR_INDX_NAME = ".stab.indexstr"
const char *	COMMENT_NAME = ".comment"
const char *	OPD_NAME = ".opd"
const char *	PLT_NAME = ".plt"
const char *	REL_PLT_NAME = ".rela.plt"
const char *	REL_PLT_NAME2 = ".rel.plt"
const char *	GOT_NAME = ".got"
const char *	DYNSYM_NAME = ".dynsym"
const char *	DYNSTR_NAME = ".dynstr"
const char *	DATA_NAME = ".data"
const char *	RO_DATA_NAME = ".ro_data"
const char *	DYNAMIC_NAME = ".dynamic"
const char *	EH_FRAME_NAME = ".eh_frame"
const char *	EXCEPT_NAME = ".gcc_except_table"
const char *	EXCEPT_NAME_ALT = ".except_table"
set< string >	debugInfoSections

---

Define Documentation

#define EXTRA_SPACE   8

Definition at line 99 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

---

Function Documentation

Region::perm_t getRegionPerms

(

unsigned long

flags

)

Definition at line 239 of file Object-elf.C.

References Dyninst::SymtabAPI::Region::RP_R, Dyninst::SymtabAPI::Region::RP_RW, Dyninst::SymtabAPI::Region::RP_RWX, and Dyninst::SymtabAPI::Region::RP_RX.

Referenced by Dyninst::SymtabAPI::Object::FindInterestingSections(), Dyninst::SymtabAPI::Object::loaded_elf(), and Dyninst::SymtabAPI::Object::parse_aout().

Region::RegionType getRegionType	(	unsigned long	type,
		unsigned long	flags,
		const char *	reg_name
	)

Definition at line 250 of file Object-elf.C.

References Dyninst::SymtabAPI::Region::RT_BSS, Dyninst::SymtabAPI::Region::RT_DATA, Dyninst::SymtabAPI::Region::RT_DYNAMIC, Dyninst::SymtabAPI::Region::RT_HASH, Dyninst::SymtabAPI::Region::RT_OTHER, Dyninst::SymtabAPI::Region::RT_REL, Dyninst::SymtabAPI::Region::RT_RELA, Dyninst::SymtabAPI::Region::RT_STRTAB, Dyninst::SymtabAPI::Region::RT_SYMTAB, Dyninst::SymtabAPI::Region::RT_SYMVERDEF, Dyninst::SymtabAPI::Region::RT_SYMVERNEEDED, Dyninst::SymtabAPI::Region::RT_SYMVERSIONS, Dyninst::SymtabAPI::Region::RT_TEXT, and Dyninst::SymtabAPI::Region::RT_TEXTDATA.

Referenced by Dyninst::SymtabAPI::emitElf::createLoadableSections(), Dyninst::SymtabAPI::emitElf64::createLoadableSections(), Dyninst::SymtabAPI::emitElf::createNonLoadableSections(), Dyninst::SymtabAPI::emitElf64::createNonLoadableSections(), Dyninst::SymtabAPI::Symtab::extractInfo(), Dyninst::SymtabAPI::Object::FindInterestingSections(), Dyninst::SymtabAPI::Symtab::findRegion(), Dyninst::SymtabAPI::Object::loaded_elf(), and Dyninst::SymtabAPI::Object::parse_aout().

static Region::RegionType getRelTypeByElfMachine

(

Elf_X *

localHdr

)

[static]

Definition at line 290 of file Object-elf.C.

References Dyninst::Elf_X::e_machine(), Dyninst::SymtabAPI::Region::RT_REL, and Dyninst::SymtabAPI::Region::RT_RELA.

Referenced by Dyninst::SymtabAPI::Object::load_object(), and Dyninst::SymtabAPI::Object::load_shared_object().

Region::perm_t getSegmentPerms

(

unsigned long

flags

)

Definition at line 154 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::find_code_and_data(), and Dyninst::SymtabAPI::Object::isRegionPresent().

Region::RegionType getSegmentType	(	unsigned long	type,
		unsigned long	flags
	)

Definition at line 165 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::find_code_and_data().

bool lookUpAddress	(	std::vector< Offset > &	jumpTargets,
		Offset &	addr
	)

Definition at line 1919 of file Object-elf.C.

bool lookUpSymbol	(	std::vector< Symbol * > &	allsymbols,
		Offset &	addr
	)

Definition at line 1907 of file Object-elf.C.

bool parseCompilerType

(

Object *

objPtr

)

Definition at line 3566 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Symtab::extractInfo(), and Dyninst::SymtabAPI::Object::parseStabTypes().

static bool pdelf_check_ehdr

(

Elf_X &

elf

)

[static]

Definition at line 114 of file Object-elf.C.

References Dyninst::Elf_X::e_phnum(), Dyninst::Elf_X::e_phoff(), Dyninst::Elf_X::e_shnum(), Dyninst::Elf_X::e_shoff(), and Dyninst::Elf_X::e_type().

Referenced by Dyninst::SymtabAPI::Object::Object().

const char* pdelf_get_shnames

(

Elf_X *

elf

)

Definition at line 128 of file Object-elf.C.

References Dyninst::Elf_X::e_shstrndx(), Dyninst::Elf_X_Shdr::get_data(), Dyninst::Elf_X::get_shdr(), Dyninst::Elf_X_Data::get_string(), Dyninst::Elf_X_Data::isValid(), and Dyninst::Elf_X_Shdr::isValid().

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

static Symbol::SymbolLinkage pdelf_linkage

(

int

elf_binding

)

[static]

Definition at line 1877 of file Object-elf.C.

References Dyninst::SymtabAPI::Symbol::SL_GLOBAL, Dyninst::SymtabAPI::Symbol::SL_LOCAL, Dyninst::SymtabAPI::Symbol::SL_UNKNOWN, and Dyninst::SymtabAPI::Symbol::SL_WEAK.

Referenced by Dyninst::SymtabAPI::Object::parse_dynamicSymbols().

static Symbol::SymbolType pdelf_type

(

int

elf_type

)

[static]

Definition at line 1861 of file Object-elf.C.

References Dyninst::SymtabAPI::Symbol::ST_FUNCTION, Dyninst::SymtabAPI::Symbol::ST_INDIRECT, Dyninst::SymtabAPI::Symbol::ST_MODULE, Dyninst::SymtabAPI::Symbol::ST_NOTYPE, Dyninst::SymtabAPI::Symbol::ST_OBJECT, Dyninst::SymtabAPI::Symbol::ST_SECTION, Dyninst::SymtabAPI::Symbol::ST_TLS, and Dyninst::SymtabAPI::Symbol::ST_UNKNOWN.

Referenced by Dyninst::SymtabAPI::Object::parse_dynamicSymbols().

static Symbol::SymbolVisibility pdelf_visibility

(

int

elf_visibility

)

[static]

Definition at line 1887 of file Object-elf.C.

References Dyninst::SymtabAPI::Symbol::SV_DEFAULT, Dyninst::SymtabAPI::Symbol::SV_HIDDEN, Dyninst::SymtabAPI::Symbol::SV_INTERNAL, Dyninst::SymtabAPI::Symbol::SV_PROTECTED, and Dyninst::SymtabAPI::Symbol::SV_UNKNOWN.

Referenced by Dyninst::SymtabAPI::Object::parse_dynamicSymbols().

void print_symbol_map

(

dyn_hash_map< std::string, std::vector< Symbol * > > *

symbols

)

Definition at line 134 of file Object.C.

Referenced by Dyninst::SymtabAPI::Symtab::extractInfo(), and Dyninst::SymtabAPI::Object::Object().

void print_symbols

(

std::vector< Symbol * > &

allsymbols

)

Definition at line 61 of file Object.C.

Referenced by Dyninst::SymtabAPI::Object::emitDriver(), and print_symbol_map().

void printSyms

(

std::vector< Symbol * > &

allsymbols

)

Definition at line 1932 of file Object-elf.C.

References getType(), and Dyninst::SymtabAPI::Symbol::ST_FUNCTION.

bool sort_dbg_map	(	const Object::DbgAddrConversion_t &	a,
		const Object::DbgAddrConversion_t &	b
	)

Definition at line 5258 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::convertDebugOffset().

---

Variable Documentation

const char* BSS_NAME = ".bss"

Definition at line 314 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::emitElfStatic::addNewRegions(), and Dyninst::SymtabAPI::Object::loaded_elf().

const char* COMMENT_NAME = ".comment"

Definition at line 321 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

const char* DATA_NAME = ".data"

Definition at line 334 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::emitElfStatic::addNewRegions(), and Dyninst::SymtabAPI::Object::loaded_elf().

set<string> debugInfoSections

Initial value:

 list_of(string(SYMTAB_NAME))
  (string(STRTAB_NAME))

Definition at line 341 of file Object-elf.C.

void(* dwarf_err_func)(const char *)

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

const char* DYNAMIC_NAME = ".dynamic"

Definition at line 336 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::get_relocation_entries().

const char* DYNSTR_NAME = ".dynstr"

Definition at line 333 of file Object-elf.C.

const char* DYNSYM_NAME = ".dynsym"

Definition at line 332 of file Object-elf.C.

const char* EDITED_TEXT_NAME = ".edited.text"

Definition at line 309 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

const char* EH_FRAME_NAME = ".eh_frame"

Definition at line 337 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

const char* EXCEPT_NAME = ".gcc_except_table"

Definition at line 338 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

const char* EXCEPT_NAME_ALT = ".except_table"

Definition at line 339 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

const char* FINI_NAME = ".fini"

Definition at line 312 of file Object-elf.C.

const char* GOT_NAME = ".got"

Definition at line 331 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::emitElfStatic::addNewRegions(), Dyninst::SymtabAPI::Object::get_relocation_entries(), and Dyninst::SymtabAPI::Object::loaded_elf().

const char* INTERP_NAME = ".interp"

Definition at line 311 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

const char* OPD_NAME = ".opd"

Definition at line 322 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf(), and Dyninst::SymtabAPI::Object::parse_dynamicSymbols().

std::vector<Symbol *> opdsymbols_

Definition at line 107 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::handle_opd_relocations(), and Dyninst::SymtabAPI::Object::parse_dynamicSymbols().

const char* PLT_NAME = ".plt"

Definition at line 324 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::emitElfStatic::addNewRegions(), Dyninst::SymtabAPI::Object::get_relocation_entries(), and Dyninst::SymtabAPI::Object::loaded_elf().

const char* REL_PLT_NAME = ".rela.plt"

Definition at line 328 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::get_relocation_entries(), and Dyninst::SymtabAPI::Object::loaded_elf().

const char* REL_PLT_NAME2 = ".rel.plt"

Definition at line 330 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

const char* RO_DATA_NAME = ".ro_data"

Definition at line 335 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

const char* STAB_INDX_NAME = ".stab.index"

Definition at line 319 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

const char* STAB_NAME = ".stab"

Definition at line 317 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

const char* STABSTR_INDX_NAME = ".stab.indexstr"

Definition at line 320 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

const char* STABSTR_NAME = ".stabstr"

Definition at line 318 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

const char* STRTAB_NAME = ".strtab"

Definition at line 316 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

Symbol* symt_current_func = NULL

Definition at line 105 of file Object-elf.C.

string symt_current_func_name

Definition at line 103 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::parseStabString(), and Dyninst::SymtabAPI::Object::parseStabTypes().

string symt_current_mangled_func_name

Definition at line 104 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::parseStabString(), and Dyninst::SymtabAPI::Object::parseStabTypes().

const char* SYMTAB_NAME = ".symtab"

Definition at line 315 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().

const char* TEXT_NAME = ".text"

Definition at line 313 of file Object-elf.C.

Referenced by Dyninst::SymtabAPI::Object::loaded_elf().