linker

the kernel linker More...

Collaboration diagram for linker:

Classes
class	Elf
class	Module
class	KernelElf

Macros
#define	DEBUG   NOTICE
#define	ET_NONE   0x0
#define	ET_REL   0x1
#define	ET_EXEC   0x2
#define	ET_DYN   0x3
#define	ET_CORE   0x4
#define	SHT_PROGBITS   0x1
#define	SHT_SYMTAB   0x2
#define	SHT_STRTAB   0x3
#define	SHT_RELA   0x4
#define	SHT_HASH   0x5
#define	SHT_DYNAMIC   0x6
#define	SHT_NOTE   0x7
#define	SHT_NOBITS   0x8
#define	SHT_REL   0x9
#define	SHT_DYNSYM   0xb
#define	SHT_INIT_ARRAY   0xe
#define	SHT_FINI_ARRAY   0xf
#define	SHT_PREINIT_ARRAY   0x10
#define	SHF_WRITE   0x1
#define	SHF_ALLOC   0x2
#define	SHF_EXECINSTR   0x4
#define	SHF_MASKPROC   0xf0000000
#define	PF_X   0x1
#define	PF_W   0x2
#define	PF_R   0x4
#define	PT_NULL   0 /* Program header table entry unused */
#define	PT_LOAD   1 /* Loadable program segment */
#define	PT_DYNAMIC   2 /* Dynamic linking information */
#define	PT_INTERP   3 /* Program interpreter */
#define	PT_NOTE   4 /* Auxiliary information */
#define	PT_SHLIB   5 /* Reserved */
#define	PT_PHDR   6 /* Entry for header table itself */
#define	PT_TLS   7 /* Thread-local storage segment */
#define	PT_NUM   8 /* Number of defined types */
#define	DT_NULL   0 /* Marks end of dynamic section */
#define	DT_NEEDED   1 /* Name of needed library */
#define	DT_PLTRELSZ   2 /* Size in bytes of PLT relocs */
#define	DT_PLTGOT   3 /* Processor defined value */
#define	DT_HASH   4 /* Address of symbol hash table */
#define	DT_STRTAB   5 /* Address of string table */
#define	DT_SYMTAB   6 /* Address of symbol table */
#define	DT_RELA   7 /* Address of Rela relocs */
#define	DT_RELASZ   8 /* Total size of Rela relocs */
#define	DT_RELAENT   9 /* Size of one Rela reloc */
#define	DT_STRSZ   10 /* Size of string table */
#define	DT_SYMENT   11 /* Size of one symbol table entry */
#define	DT_INIT   12 /* Address of init function */
#define	DT_FINI   13 /* Address of termination function */
#define	DT_SONAME   14 /* Name of shared object */
#define	DT_RPATH   15 /* Library search path (deprecated) */
#define	DT_SYMBOLIC   16 /* Start symbol search here */
#define	DT_REL   17 /* Address of Rel relocs */
#define	DT_RELSZ   18 /* Total size of Rel relocs */
#define	DT_RELENT   19 /* Size of one Rel reloc */
#define	DT_PLTREL   20 /* Type of reloc in PLT */
#define	DT_DEBUG   21 /* For debugging; unspecified */
#define	DT_TEXTREL   22 /* Reloc might modify .text */
#define	DT_JMPREL   23 /* Address of PLT relocs */
#define	DT_BIND_NOW   24 /* Process relocations of object */
#define	DT_INIT_ARRAY   25 /* Array with addresses of init fct */
#define	DT_FINI_ARRAY   26 /* Array with addresses of fini fct */
#define	DT_INIT_ARRAYSZ   27 /* Size in bytes of DT_INIT_ARRAY */
#define	DT_FINI_ARRAYSZ   28 /* Size in bytes of DT_FINI_ARRAY */
#define	DT_RUNPATH   29 /* Library search path */
#define	DT_FLAGS   30 /* Flags for the object being loaded */
#define	DT_ENCODING   32 /* Start of encoded range */
#define	DT_PREINIT_ARRAY   32 /* Array with addresses of preinit fct*/
#define	DT_PREINIT_ARRAYSZ   33 /* size in bytes of DT_PREINIT_ARRAY */
#define	STT_NOTYPE   0
#define	STT_OBJECT   1
#define	STT_FUNC   2
#define	STT_SECTION   3
#define	STT_FILE   4
#define	STT_COMMON   5
#define	STT_TLS   6
#define	STB_LOCAL   0
#define	STB_GLOBAL   1
#define	STB_WEAK   2
#define	STV_DEFAULT   0
#define	STV_INTERNAL   1
#define	STV_HIDDEN   2
#define	STV_PROTECTED   3
#define	R_SYM(val)   ((val) >> 32)
#define	R_TYPE(val)   ((val) &0xffffffffUL)
#define	ST_BIND(i)   ((i) >> 4)
#define	ST_TYPE(i)   ((i) &0xf)
#define	ST_INFO(b, t)   (((b) << 4) + ((t) &0xf))
#define	ST_TYPEOK(x)   (ST_TYPE((x)) <= STT_FUNC)

Typedefs
typedef uint64_t	Elf_Addr
typedef uint64_t	Elf_Off
typedef uint16_t	Elf_Half
typedef uint32_t	Elf_Word
typedef int32_t	Elf_Sword
typedef uint64_t	Elf_Xword
typedef int64_t	Elf_Sxword
typedef uint32_t	Elf32_Addr
typedef uint32_t	Elf32_Off
typedef uint16_t	Elf32_Half
typedef uint32_t	Elf32_Word
typedef int32_t	Elf32_Sword
typedef uint32_t	Elf32_Xword
typedef int32_t	Elf32_Sxword

Functions
template const char *	Elf::lookupSymbol< Elf::ElfSymbol_t > (uintptr_t addr, uintptr_t *startAddr=0, ElfSymbol_t *symbolTable=0)
template const char *	Elf::lookupSymbol< Elf::Elf32Symbol_t > (uintptr_t addr, uintptr_t *startAddr=0, Elf32Symbol_t *symbolTable=0)

Detailed Description

the kernel linker

the kernel linker

Function Documentation

template const char* Elf::lookupSymbol< Elf::ElfSymbol_t >	(	uintptr_t	addr,
		uintptr_t *	startAddr = 0,
		ElfSymbol_t *	symbolTable = 0
	)

External specializations for ELF symbol types.