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

Macro Definition Documentation

◆ DEBUG

#define DEBUG NOTICE

Definition at line 38 of file Elf.h.

◆ DT_BIND_NOW

#define DT_BIND_NOW 24 /* Process relocations of object */

Definition at line 112 of file Elf.h.

◆ DT_DEBUG

#define DT_DEBUG 21 /* For debugging; unspecified */

Definition at line 109 of file Elf.h.

◆ DT_ENCODING

#define DT_ENCODING 32 /* Start of encoded range */

Definition at line 119 of file Elf.h.

◆ DT_FINI

#define DT_FINI 13 /* Address of termination function */

Definition at line 101 of file Elf.h.

◆ DT_FINI_ARRAY

#define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */

Definition at line 114 of file Elf.h.

◆ DT_FINI_ARRAYSZ

#define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */

Definition at line 116 of file Elf.h.

◆ DT_FLAGS

#define DT_FLAGS 30 /* Flags for the object being loaded */

Definition at line 118 of file Elf.h.

◆ DT_HASH

#define DT_HASH 4 /* Address of symbol hash table */

Definition at line 92 of file Elf.h.

◆ DT_INIT

#define DT_INIT 12 /* Address of init function */

Definition at line 100 of file Elf.h.

◆ DT_INIT_ARRAY

#define DT_INIT_ARRAY 25 /* Array with addresses of init fct */

Definition at line 113 of file Elf.h.

◆ DT_INIT_ARRAYSZ

#define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */

Definition at line 115 of file Elf.h.

◆ DT_JMPREL

#define DT_JMPREL 23 /* Address of PLT relocs */

Definition at line 111 of file Elf.h.

◆ DT_NEEDED

#define DT_NEEDED 1 /* Name of needed library */

Definition at line 89 of file Elf.h.

◆ DT_NULL

#define DT_NULL 0 /* Marks end of dynamic section */

Definition at line 88 of file Elf.h.

◆ DT_PLTGOT

#define DT_PLTGOT 3 /* Processor defined value */

Definition at line 91 of file Elf.h.

◆ DT_PLTREL

#define DT_PLTREL 20 /* Type of reloc in PLT */

Definition at line 108 of file Elf.h.

◆ DT_PLTRELSZ

#define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */

Definition at line 90 of file Elf.h.

◆ DT_PREINIT_ARRAY

#define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/

Definition at line 120 of file Elf.h.

◆ DT_PREINIT_ARRAYSZ

#define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */

Definition at line 121 of file Elf.h.

◆ DT_REL

#define DT_REL 17 /* Address of Rel relocs */

Definition at line 105 of file Elf.h.

◆ DT_RELA

#define DT_RELA 7 /* Address of Rela relocs */

Definition at line 95 of file Elf.h.

◆ DT_RELAENT

#define DT_RELAENT 9 /* Size of one Rela reloc */

Definition at line 97 of file Elf.h.

◆ DT_RELASZ

#define DT_RELASZ 8 /* Total size of Rela relocs */

Definition at line 96 of file Elf.h.

◆ DT_RELENT

#define DT_RELENT 19 /* Size of one Rel reloc */

Definition at line 107 of file Elf.h.

◆ DT_RELSZ

#define DT_RELSZ 18 /* Total size of Rel relocs */

Definition at line 106 of file Elf.h.

◆ DT_RPATH

#define DT_RPATH 15 /* Library search path (deprecated) */

Definition at line 103 of file Elf.h.

◆ DT_RUNPATH

#define DT_RUNPATH 29 /* Library search path */

Definition at line 117 of file Elf.h.

◆ DT_SONAME

#define DT_SONAME 14 /* Name of shared object */

Definition at line 102 of file Elf.h.

◆ DT_STRSZ

#define DT_STRSZ 10 /* Size of string table */

Definition at line 98 of file Elf.h.

◆ DT_STRTAB

#define DT_STRTAB 5 /* Address of string table */

Definition at line 93 of file Elf.h.

◆ DT_SYMBOLIC

#define DT_SYMBOLIC 16 /* Start symbol search here */

Definition at line 104 of file Elf.h.

◆ DT_SYMENT

#define DT_SYMENT 11 /* Size of one symbol table entry */

Definition at line 99 of file Elf.h.

◆ DT_SYMTAB

#define DT_SYMTAB 6 /* Address of symbol table */

Definition at line 94 of file Elf.h.

◆ DT_TEXTREL

#define DT_TEXTREL 22 /* Reloc might modify .text */

Definition at line 110 of file Elf.h.

◆ ET_CORE

#define ET_CORE 0x4

Definition at line 48 of file Elf.h.

◆ ET_DYN

#define ET_DYN 0x3

Definition at line 47 of file Elf.h.

◆ ET_EXEC

#define ET_EXEC 0x2

Definition at line 46 of file Elf.h.

◆ ET_NONE

#define ET_NONE 0x0

Definition at line 44 of file Elf.h.

◆ ET_REL

#define ET_REL 0x1

Definition at line 45 of file Elf.h.

◆ PF_R

#define PF_R 0x4

Definition at line 74 of file Elf.h.

◆ PF_W

#define PF_W 0x2

Definition at line 73 of file Elf.h.

◆ PF_X

#define PF_X 0x1

Definition at line 72 of file Elf.h.

◆ PT_DYNAMIC

#define PT_DYNAMIC 2 /* Dynamic linking information */

Definition at line 79 of file Elf.h.

◆ PT_INTERP

#define PT_INTERP 3 /* Program interpreter */

Definition at line 80 of file Elf.h.

◆ PT_LOAD

#define PT_LOAD 1 /* Loadable program segment */

Definition at line 78 of file Elf.h.

◆ PT_NOTE

#define PT_NOTE 4 /* Auxiliary information */

Definition at line 81 of file Elf.h.

◆ PT_NULL

#define PT_NULL 0 /* Program header table entry unused */

Definition at line 77 of file Elf.h.

◆ PT_NUM

#define PT_NUM 8 /* Number of defined types */

Definition at line 85 of file Elf.h.

◆ PT_PHDR

#define PT_PHDR 6 /* Entry for header table itself */

Definition at line 83 of file Elf.h.

◆ PT_SHLIB

#define PT_SHLIB 5 /* Reserved */

Definition at line 82 of file Elf.h.

◆ PT_TLS

#define PT_TLS 7 /* Thread-local storage segment */

Definition at line 84 of file Elf.h.

◆ R_SYM

#define R_SYM ( val ) ((val) >> 32)

Definition at line 165 of file Elf.h.

◆ R_TYPE

#define R_TYPE ( val ) ((val) & 0xffffffffUL)

Definition at line 166 of file Elf.h.

◆ SHF_ALLOC

#define SHF_ALLOC 0x2

Definition at line 67 of file Elf.h.

◆ SHF_EXECINSTR

#define SHF_EXECINSTR 0x4

Definition at line 68 of file Elf.h.

◆ SHF_MASKPROC

#define SHF_MASKPROC 0xf0000000

Definition at line 69 of file Elf.h.

◆ SHF_WRITE

#define SHF_WRITE 0x1

Definition at line 66 of file Elf.h.

◆ SHT_DYNAMIC

#define SHT_DYNAMIC 0x6

Definition at line 56 of file Elf.h.

◆ SHT_DYNSYM

#define SHT_DYNSYM 0xb

Definition at line 60 of file Elf.h.

◆ SHT_FINI_ARRAY

#define SHT_FINI_ARRAY 0xf

Definition at line 62 of file Elf.h.

◆ SHT_HASH

#define SHT_HASH 0x5

Definition at line 55 of file Elf.h.

◆ SHT_INIT_ARRAY

#define SHT_INIT_ARRAY 0xe

Definition at line 61 of file Elf.h.

◆ SHT_NOBITS

#define SHT_NOBITS 0x8

Definition at line 58 of file Elf.h.

◆ SHT_NOTE

#define SHT_NOTE 0x7

Definition at line 57 of file Elf.h.

◆ SHT_PREINIT_ARRAY

#define SHT_PREINIT_ARRAY 0x10

Definition at line 63 of file Elf.h.

◆ SHT_PROGBITS

#define SHT_PROGBITS 0x1

Definition at line 51 of file Elf.h.

◆ SHT_REL

#define SHT_REL 0x9

Definition at line 59 of file Elf.h.

◆ SHT_RELA

#define SHT_RELA 0x4

Definition at line 54 of file Elf.h.

◆ SHT_STRTAB

#define SHT_STRTAB 0x3

Definition at line 53 of file Elf.h.

◆ SHT_SYMTAB

#define SHT_SYMTAB 0x2

Definition at line 52 of file Elf.h.

◆ ST_BIND

#define ST_BIND ( i ) ((i) >> 4)

Definition at line 168 of file Elf.h.

◆ ST_INFO

#define ST_INFO	(	b,
		t
	)	(((b) << 4) + ((t) & 0xf))

Definition at line 170 of file Elf.h.

◆ ST_TYPE

#define ST_TYPE ( i ) ((i) & 0xf)

Definition at line 169 of file Elf.h.

◆ ST_TYPEOK

#define ST_TYPEOK ( x ) (ST_TYPE((x)) <= STT_FUNC)

Definition at line 192 of file Elf.h.

◆ STB_GLOBAL

#define STB_GLOBAL 1

Definition at line 134 of file Elf.h.

◆ STB_LOCAL

#define STB_LOCAL 0

Definition at line 133 of file Elf.h.

◆ STB_WEAK

#define STB_WEAK 2

Definition at line 135 of file Elf.h.

◆ STT_COMMON

#define STT_COMMON 5

Definition at line 129 of file Elf.h.

◆ STT_FILE

#define STT_FILE 4

Definition at line 128 of file Elf.h.

◆ STT_FUNC

#define STT_FUNC 2

Definition at line 126 of file Elf.h.

◆ STT_NOTYPE

#define STT_NOTYPE 0

Definition at line 124 of file Elf.h.

◆ STT_OBJECT

#define STT_OBJECT 1

Definition at line 125 of file Elf.h.

◆ STT_SECTION

#define STT_SECTION 3

Definition at line 127 of file Elf.h.

◆ STT_TLS

#define STT_TLS 6

Definition at line 130 of file Elf.h.

◆ STV_DEFAULT

#define STV_DEFAULT 0

Definition at line 138 of file Elf.h.

◆ STV_HIDDEN

#define STV_HIDDEN 2

Definition at line 140 of file Elf.h.

◆ STV_INTERNAL

#define STV_INTERNAL 1

Definition at line 139 of file Elf.h.

◆ STV_PROTECTED

#define STV_PROTECTED 3

Definition at line 141 of file Elf.h.

Typedef Documentation

◆ Elf32_Addr

typedef uint32_t Elf32_Addr

Definition at line 181 of file Elf.h.

◆ Elf32_Half

typedef uint16_t Elf32_Half

Definition at line 183 of file Elf.h.

◆ Elf32_Off

typedef uint32_t Elf32_Off

Definition at line 182 of file Elf.h.

◆ Elf32_Sword

typedef int32_t Elf32_Sword

Definition at line 185 of file Elf.h.

◆ Elf32_Sxword

typedef int32_t Elf32_Sxword

Definition at line 187 of file Elf.h.

◆ Elf32_Word

typedef uint32_t Elf32_Word

Definition at line 184 of file Elf.h.

◆ Elf32_Xword

typedef uint32_t Elf32_Xword

Definition at line 186 of file Elf.h.

◆ Elf_Addr

typedef uint64_t Elf_Addr

Definition at line 172 of file Elf.h.

◆ Elf_Half

typedef uint16_t Elf_Half

Definition at line 174 of file Elf.h.

◆ Elf_Off

typedef uint64_t Elf_Off

Definition at line 173 of file Elf.h.

◆ Elf_Sword

typedef int32_t Elf_Sword

Definition at line 176 of file Elf.h.

◆ Elf_Sxword

typedef int64_t Elf_Sxword

Definition at line 178 of file Elf.h.

◆ Elf_Word

typedef uint32_t Elf_Word

Definition at line 175 of file Elf.h.

◆ Elf_Xword

typedef uint64_t Elf_Xword

Definition at line 177 of file Elf.h.

Function Documentation

◆ Elf::lookupSymbol< Elf::ElfSymbol_t >()

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

extern

External specializations for ELF symbol types.

Classes

Macros

Typedefs

Functions