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readelf.go
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readelf.go
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package main
import (
"encoding/binary"
"errors"
"fmt"
"os"
"unsafe"
)
const (
EI_MAG0 = 0 /* File identification byte 0 index */
ELFMAG0 = 0x7f /* Magic number byte 0 */
EI_MAG1 = 1 /* File identification byte 1 index */
ELFMAG1 = 'E' /* Magic number byte 1 */
EI_MAG2 = 2 /* File identification byte 2 index */
ELFMAG2 = 'L' /* Magic number byte 2 */
EI_MAG3 = 3 /* File identification byte 3 index */
ELFMAG3 = 'F' /* Magic number byte 3 */
/* Conglomeration of the identification bytes, for easy testing as a word. */
ELFMAG = "\177ELF"
SELFMAG = 4
EI_CLASS = 4 /* File class byte index */
ELFCLASSNONE = 0 /* Invalid class */
ELFCLASS32 = 1 /* 32-bit objects */
ELFCLASS64 = 2 /* 64-bit objects */
ELFCLASSNUM = 3
EI_DATA = 5 /* Data encoding byte index */
ELFDATANONE = 0 /* Invalid data encoding */
ELFDATA2LSB = 1 /* 2's complement, little endian */
ELFDATA2MSB = 2 /* 2's complement, big endian */
ELFDATANUM = 3
EI_VERSION = 6 /* File version byte index */
/* Value must be EV_CURRENT */
EI_OSABI = 7 /* OS ABI identification */
ELFOSABI_NONE = 0 /* UNIX System V ABI */
ELFOSABI_SYSV = 0 /* Alias. */
ELFOSABI_HPUX = 1 /* HP-UX */
ELFOSABI_NETBSD = 2 /* NetBSD. */
ELFOSABI_LINUX = 3 /* Linux. */
ELFOSABI_SOLARIS = 6 /* Sun Solaris. */
ELFOSABI_AIX = 7 /* IBM AIX. */
ELFOSABI_IRIX = 8 /* SGI Irix. */
ELFOSABI_FREEBSD = 9 /* FreeBSD. */
ELFOSABI_TRU64 = 10 /* Compaq TRU64 UNIX. */
ELFOSABI_MODESTO = 11 /* Novell Modesto. */
ELFOSABI_OPENBSD = 12 /* OpenBSD. */
ELFOSABI_ARM = 97 /* ARM */
ELFOSABI_STANDALONE = 255 /* Standalone (embedded) application */
EI_NIDENT = 16
EI_ABIVERSION = 8 /* ABI version */
EI_PAD = 9 /* Byte index of padding bytes */
/* Legal values for e_type (object file type). */
ET_NONE = 0 /* No file type */
ET_REL = 1 /* Relocatable file */
ET_EXEC = 2 /* Executable file */
ET_DYN = 3 /* Shared object file */
ET_CORE = 4 /* Core file */
ET_NUM = 5 /* Number of defined types */
ET_LOOS = 0xfe00 /* OS-specific range start */
ET_HIOS = 0xfeff /* OS-specific range end */
ET_LOPROC = 0xff00 /* Processor-specific range start */
ET_HIPROC = 0xffff /* Processor-specific range end */
/* Legal values for e_machine (architecture). */
EM_NONE = 0 /* No machine */
EM_M32 = 1 /* AT&T WE 32100 */
EM_SPARC = 2 /* SUN SPARC */
EM_386 = 3 /* Intel 80386 */
EM_68K = 4 /* Motorola m68k family */
EM_88K = 5 /* Motorola m88k family */
EM_860 = 7 /* Intel 80860 */
EM_MIPS = 8 /* MIPS R3000 big-endian */
EM_S370 = 9 /* IBM System/370 */
EM_MIPS_RS3_LE = 10 /* MIPS R3000 little-endian */
EM_PARISC = 15 /* HPPA */
EM_VPP500 = 17 /* Fujitsu VPP500 */
EM_SPARC32PLUS = 18 /* Sun's "v8plus" */
EM_960 = 19 /* Intel 80960 */
EM_PPC = 20 /* PowerPC */
EM_PPC64 = 21 /* PowerPC 64-bit */
EM_S390 = 22 /* IBM S390 */
EM_V800 = 36 /* NEC V800 series */
EM_FR20 = 37 /* Fujitsu FR20 */
EM_RH32 = 38 /* TRW RH-32 */
EM_RCE = 39 /* Motorola RCE */
EM_ARM = 40 /* ARM */
EM_FAKE_ALPHA = 41 /* Digital Alpha */
EM_SH = 42 /* Hitachi SH */
EM_SPARCV9 = 43 /* SPARC v9 64-bit */
EM_TRICORE = 44 /* Siemens Tricore */
EM_ARC = 45 /* Argonaut RISC Core */
EM_H8_300 = 46 /* Hitachi H8/300 */
EM_H8_300H = 47 /* Hitachi H8/300H */
EM_H8S = 48 /* Hitachi H8S */
EM_H8_500 = 49 /* Hitachi H8/500 */
EM_IA_64 = 50 /* Intel Merced */
EM_MIPS_X = 51 /* Stanford MIPS-X */
EM_COLDFIRE = 52 /* Motorola Coldfire */
EM_68HC12 = 53 /* Motorola M68HC12 */
EM_MMA = 54 /* Fujitsu MMA Multimedia Accelerator*/
EM_PCP = 55 /* Siemens PCP */
EM_NCPU = 56 /* Sony nCPU embeeded RISC */
EM_NDR1 = 57 /* Denso NDR1 microprocessor */
EM_STARCORE = 58 /* Motorola Start*Core processor */
EM_ME16 = 59 /* Toyota ME16 processor */
EM_ST100 = 60 /* STMicroelectronic ST100 processor */
EM_TINYJ = 61 /* Advanced Logic Corp. Tinyj emb.fam*/
EM_X86_64 = 62 /* AMD x86-64 architecture */
EM_PDSP = 63 /* Sony DSP Processor */
EM_FX66 = 66 /* Siemens FX66 microcontroller */
EM_ST9PLUS = 67 /* STMicroelectronics ST9+ 8/16 mc */
EM_ST7 = 68 /* STmicroelectronics ST7 8 bit mc */
EM_68HC16 = 69 /* Motorola MC68HC16 microcontroller */
EM_68HC11 = 70 /* Motorola MC68HC11 microcontroller */
EM_68HC08 = 71 /* Motorola MC68HC08 microcontroller */
EM_68HC05 = 72 /* Motorola MC68HC05 microcontroller */
EM_SVX = 73 /* Silicon Graphics SVx */
EM_ST19 = 74 /* STMicroelectronics ST19 8 bit mc */
EM_VAX = 75 /* Digital VAX */
EM_CRIS = 76 /* Axis Communications 32-bit embedded processor */
EM_JAVELIN = 77 /* Infineon Technologies 32-bit embedded processor */
EM_FIREPATH = 78 /* Element 14 64-bit DSP Processor */
EM_ZSP = 79 /* LSI Logic 16-bit DSP Processor */
EM_MMIX = 80 /* Donald Knuth's educational 64-bit processor */
EM_HUANY = 81 /* Harvard University machine-independent object files */
EM_PRISM = 82 /* SiTera Prism */
EM_AVR = 83 /* Atmel AVR 8-bit microcontroller */
EM_FR30 = 84 /* Fujitsu FR30 */
EM_D10V = 85 /* Mitsubishi D10V */
EM_D30V = 86 /* Mitsubishi D30V */
EM_V850 = 87 /* NEC v850 */
EM_M32R = 88 /* Mitsubishi M32R */
EM_MN10300 = 89 /* Matsushita MN10300 */
EM_MN10200 = 90 /* Matsushita MN10200 */
EM_PJ = 91 /* picoJava */
EM_OPENRISC = 92 /* OpenRISC 32-bit embedded processor */
EM_ARC_A5 = 93 /* ARC Cores Tangent-A5 */
EM_XTENSA = 94 /* Tensilica Xtensa Architecture */
EM_NUM = 95
/* If it is necessary to assign new unofficial EM_* values, please
pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the
chances of collision with official or non-GNU unofficial values. */
EM_ALPHA = 0x9026
/* Legal values for e_version (version). */
EV_NONE = 0 /* Invalid ELF version */
EV_CURRENT = 1 /* Current version */
EV_NUM = 2
/* Legal values for p_type (segment type). */
PT_NULL = 0 /* Program header table entry unused */
PT_LOAD = 1 /* Loadable program segment */
PT_DYNAMIC = 2 /* Dynamic linking information */
PT_INTERP = 3 /* Program interpreter */
PT_NOTE = 4 /* Auxiliary information */
PT_SHLIB = 5 /* Reserved */
PT_PHDR = 6 /* Entry for header table itself */
PT_TLS = 7 /* Thread-local storage segment */
PT_NUM = 8 /* Number of defined types */
PT_LOOS = 0x60000000 /* Start of OS-specific */
PT_GNU_EH_FRAME = 0x6474e550 /* GCC .eh_frame_hdr segment */
PT_GNU_STACK = 0x6474e551 /* Indicates stack executability */
PT_GNU_RELRO = 0x6474e552 /* Read-only after relocation */
PT_LOSUNW = 0x6ffffffa
PT_SUNWBSS = 0x6ffffffa /* Sun Specific segment */
PT_SUNWSTACK = 0x6ffffffb /* Stack segment */
PT_HISUNW = 0x6fffffff
PT_HIOS = 0x6fffffff /* End of OS-specific */
PT_LOPROC = 0x70000000 /* Start of processor-specific */
PT_HIPROC = 0x7fffffff /* End of processor-specific */
/* Legal values for p_flags (segment flags). */
PF_X = (1 << 0) /* Segment is executable */
PF_W = (1 << 1) /* Segment is writable */
PF_R = (1 << 2) /* Segment is readable */
PF_MASKOS = 0x0ff00000 /* OS-specific */
PF_MASKPROC = 0xf0000000 /* Processor-specific */
/* Special section indices. */
SHN_UNDEF = 0 /* Undefined section */
SHN_LORESERVE = 0xff00 /* Start of reserved indices */
SHN_LOPROC = 0xff00 /* Start of processor-specific */
SHN_BEFORE = 0xff00 /* Order section before all others
= (Solaris). */
SHN_AFTER = 0xff01 /* Order section after all others
= (Solaris). */
SHN_HIPROC = 0xff1f /* End of processor-specific */
SHN_LOOS = 0xff20 /* Start of OS-specific */
SHN_HIOS = 0xff3f /* End of OS-specific */
SHN_ABS = 0xfff1 /* Associated symbol is absolute */
SHN_COMMON = 0xfff2 /* Associated symbol is common */
SHN_XINDEX = 0xffff /* Index is in extra table. */
SHN_HIRESERVE = 0xffff /* End of reserved indices */
/* Legal values for sh_type (section type). */
SHT_NULL = 0 /* Section header table entry unused */
SHT_PROGBITS = 1 /* Program data */
SHT_SYMTAB = 2 /* Symbol table */
SHT_STRTAB = 3 /* String table */
SHT_RELA = 4 /* Relocation entries with addends */
SHT_HASH = 5 /* Symbol hash table */
SHT_DYNAMIC = 6 /* Dynamic linking information */
SHT_NOTE = 7 /* Notes */
SHT_NOBITS = 8 /* Program space with no data (bss) */
SHT_REL = 9 /* Relocation entries, no addends */
SHT_SHLIB = 10 /* Reserved */
SHT_DYNSYM = 11 /* Dynamic linker symbol table */
SHT_INIT_ARRAY = 14 /* Array of constructors */
SHT_FINI_ARRAY = 15 /* Array of destructors */
SHT_PREINIT_ARRAY = 16 /* Array of pre-constructors */
SHT_GROUP = 17 /* Section group */
SHT_SYMTAB_SHNDX = 18 /* Extended section indeces */
SHT_NUM = 19 /* Number of defined types. */
SHT_LOOS = 0x60000000 /* Start OS-specific. */
SHT_GNU_HASH = 0x6ffffff6 /* GNU-style hash table. */
SHT_GNU_LIBLIST = 0x6ffffff7 /* Prelink library list */
SHT_CHECKSUM = 0x6ffffff8 /* Checksum for DSO content. */
SHT_LOSUNW = 0x6ffffffa /* Sun-specific low bound. */
SHT_SUNW_move = 0x6ffffffa
SHT_SUNW_COMDAT = 0x6ffffffb
SHT_SUNW_syminfo = 0x6ffffffc
SHT_GNU_verdef = 0x6ffffffd /* Version definition section. */
SHT_GNU_verneed = 0x6ffffffe /* Version needs section. */
SHT_GNU_versym = 0x6fffffff /* Version symbol table. */
SHT_HISUNW = 0x6fffffff /* Sun-specific high bound. */
SHT_HIOS = 0x6fffffff /* End OS-specific type */
SHT_LOPROC = 0x70000000 /* Start of processor-specific */
SHT_HIPROC = 0x7fffffff /* End of processor-specific */
SHT_LOUSER = 0x80000000 /* Start of application-specific */
SHT_HIUSER = 0x8fffffff /* End of application-specific */
/* Legal values for sh_flags (section flags). */
SHF_WRITE = (1 << 0) /* Writable */
SHF_ALLOC = (1 << 1) /* Occupies memory during execution */
SHF_EXECINSTR = (1 << 2) /* Executable */
SHF_MERGE = (1 << 4) /* Might be merged */
SHF_STRINGS = (1 << 5) /* Contains nul-terminated strings */
SHF_INFO_LINK = (1 << 6) /* `sh_info' contains SHT index */
SHF_LINK_ORDER = (1 << 7) /* Preserve order after combining */
SHF_OS_NONCONFORMING = (1 << 8) /* Non-standard OS specific handling
= required */
SHF_GROUP = (1 << 9) /* Section is member of a group. */
SHF_TLS = (1 << 10) /* Section hold thread-local data. */
SHF_MASKOS = 0x0ff00000 /* OS-specific. */
SHF_MASKPROC = 0xf0000000 /* Processor-specific */
SHF_ORDERED = (1 << 30) /* Special ordering requirement
= (Solaris). */
SHF_EXCLUDE = (1 << 31) /* Section is excluded unless
referenced or allocated (Solaris).*/
/* Section group handling. */
GRP_COMDAT = 0x1 /* Mark group as COMDAT. */
)
type Elf32_Ehdr struct {
e_ident [EI_NIDENT]byte
e_type uint16 /* file type */
e_machine uint16 /* architecture */
e_version uint32
e_entry uint32 /* entry point */
e_phoff uint32 /* PH table offset */
e_shoff uint32 /* SH table offset */
e_flags uint32
e_ehsize uint16 /* ELF header size in bytes */
e_phentsize uint16 /* PH size */
e_phnum uint16 /* PH number */
e_shentsize uint16 /* SH size */
e_shnum uint16 /* SH number */
e_shstrndx uint16 /* SH name string table index */
}
type Elf64_Ehdr struct {
e_ident [EI_NIDENT]byte
e_type uint16 /* file type */
e_machine uint16 /* architecture */
e_version uint32
e_entry uint64 /* entry point */
e_phoff uint64 /* PH table offset */
e_shoff uint64 /* SH table offset */
e_flags uint32
e_ehsize uint16 /* ELF header size in bytes */
e_phentsize uint16 /* PH size */
e_phnum uint16 /* PH number */
e_shentsize uint16 /* SH size */
e_shnum uint16 /* SH number */
e_shstrndx uint16 /* SH name string table index */
}
type Elf32_Phdr struct {
p_type uint32 /* Segment type */
p_offset uint32 /* Segment file offset */
p_vaddr uint32 /* Segment virtual address */
p_paddr uint32 /* Segment physical address */
p_filesz uint32 /* Segment size in file */
p_memsz uint32 /* Segment size in memory */
p_flags uint32 /* Segment flags */
p_align uint32 /* Segment alignment */
}
type Elf64_Phdr struct {
p_type uint32 /* Segment type */
p_flags uint32 /* Segment flags */
p_offset uint64 /* Segment file offset */
p_vaddr uint64 /* Segment virtual address */
p_paddr uint64 /* Segment physical address */
p_filesz uint64 /* Segment size in file */
p_memsz uint64 /* Segment size in memory */
p_align uint64 /* Segment alignment */
}
type Elf32_Shdr struct {
sh_name uint32 /* Section name (string tbl index) */
sh_type uint32 /* Section type */
sh_flags uint32 /* Section flags */
sh_addr uint32 /* Section virtual addr at execution */
sh_offset uint32 /* Section file offset */
sh_size uint32 /* Section size in bytes */
sh_link uint32 /* Link to another section */
sh_info uint32 /* Additional section information */
sh_addralign uint32 /* Section alignment */
sh_entsize uint32 /* Entry size if section holds table */
}
type Elf64_Shdr struct {
sh_name uint32 /* Section name (string tbl index) */
sh_type uint32 /* Section type */
sh_flags uint64 /* Section flags */
sh_addr uint64 /* Section virtual addr at execution */
sh_offset uint64 /* Section file offset */
sh_size uint64 /* Section size in bytes */
sh_link uint32 /* Link to another section */
sh_info uint32 /* Additional section information */
sh_addralign uint64 /* Section alignment */
sh_entsize uint64 /* Entry size if section holds table */
}
/* Symbol table entry. */
type Elf32_Sym struct {
st_name uint32 /* Symbol name (string tbl index) */
st_value uint32 /* Symbol value */
st_size uint32 /* Symbol size */
st_info byte /* Symbol type and binding */
st_other byte /* Symbol visibility */
st_shndx uint16 /* Section index */
}
type Elf64_Sym struct {
st_name uint32 /* Symbol name (string tbl index) */
st_info byte /* Symbol type and binding */
st_other byte /* Symbol visibility */
st_shndx uint16 /* Section index */
st_value uint64 /* Symbol value */
st_size uint64 /* Symbol size */
}
type Elf32_EhdrBytes struct {
e_ident [EI_NIDENT]byte
e_type [2]byte /* file type */
e_machine [2]byte /* architecture */
e_version [4]byte
e_entry [4]byte /* entry point */
e_phoff [4]byte /* PH table offset */
e_shoff [4]byte /* SH table offset */
e_flags [4]byte
e_ehsize [2]byte /* ELF header size in bytes */
e_phentsize [2]byte /* PH size */
e_phnum [2]byte /* PH number */
e_shentsize [2]byte /* SH size */
e_shnum [2]byte /* SH number */
e_shstrndx [2]byte /* SH name string table index */
}
type Elf64_EhdrBytes struct {
e_ident [EI_NIDENT]byte
e_type [2]byte /* file type */
e_machine [2]byte /* architecture */
e_version [4]byte
e_entry [8]byte /* entry point */
e_phoff [8]byte /* PH table offset */
e_shoff [8]byte /* SH table offset */
e_flags [4]byte
e_ehsize [2]byte /* ELF header size in bytes */
e_phentsize [2]byte /* PH size */
e_phnum [2]byte /* PH number */
e_shentsize [2]byte /* SH size */
e_shnum [2]byte /* SH number */
e_shstrndx [2]byte /* SH name string table index */
}
type Elf32_PhdrBytes struct {
p_type [4]byte /* Segment type */
p_offset [4]byte /* Segment file offset */
p_vaddr [4]byte /* Segment virtual address */
p_paddr [4]byte /* Segment physical address */
p_filesz [4]byte /* Segment size in file */
p_memsz [4]byte /* Segment size in memory */
p_flags [4]byte /* Segment flags */
p_align [4]byte /* Segment alignment */
}
type Elf64_PhdrBytes struct {
p_type [4]byte /* Segment type */
p_flags [4]byte /* Segment flags */
p_offset [8]byte /* Segment file offset */
p_vaddr [8]byte /* Segment virtual address */
p_paddr [8]byte /* Segment physical address */
p_filesz [8]byte /* Segment size in file */
p_memsz [8]byte /* Segment size in memory */
p_align [8]byte /* Segment alignment */
}
type Elf32_ShdrBytes struct {
sh_name [4]byte /* Section name (string tbl index) */
sh_type [4]byte /* Section type */
sh_flags [4]byte /* Section flags */
sh_addr [4]byte /* Section virtual addr at execution */
sh_offset [4]byte /* Section file offset */
sh_size [4]byte /* Section size in bytes */
sh_link [4]byte /* Link to another section */
sh_info [4]byte /* Additional section information */
sh_addralign [4]byte /* Section alignment */
sh_entsize [4]byte /* Entry size if section holds table */
}
type Elf64_ShdrBytes struct {
sh_name [4]byte /* Section name (string tbl index) */
sh_type [4]byte /* Section type */
sh_flags [8]byte /* Section flags */
sh_addr [8]byte /* Section virtual addr at execution */
sh_offset [8]byte /* Section file offset */
sh_size [8]byte /* Section size in bytes */
sh_link [4]byte /* Link to another section */
sh_info [4]byte /* Additional section information */
sh_addralign [8]byte /* Section alignment */
sh_entsize [8]byte /* Entry size if section holds table */
}
/* Symbol table entry. */
type Elf32_SymBytes struct {
st_name [4]byte /* Symbol name (string tbl index) */
st_value [4]byte /* Symbol value */
st_size [4]byte /* Symbol size */
st_info byte /* Symbol type and binding */
st_other byte /* Symbol visibility */
st_shndx [2]byte /* Section index */
}
type Elf64_SymBytes struct {
st_name [4]byte /* Symbol name (string tbl index) */
st_info byte /* Symbol type and binding */
st_other byte /* Symbol visibility */
st_shndx [2]byte /* Section index */
st_value [8]byte /* Symbol value */
st_size [8]byte /* Symbol size */
}
type ELFReader struct {
i32 bool
isBigEndian bool /* 真为大端，假为小端 */
ehdr64 *Elf64_Ehdr
ehdr32 *Elf32_Ehdr
f *os.File
}
func NewELFReader(s string) (*ELFReader, error) {
v := new(ELFReader)
if f, err := os.Open(s); err != nil {
return nil, err
} else {
v.f = f
}
return v, nil
}
func (this *ELFReader) _GetELFHeaderStr32() (string, error) {
var ehdr32 *Elf32_EhdrBytes
cc := make([]byte, unsafe.Sizeof(*ehdr32))
if _, err := this.f.ReadAt(cc, 0); err != nil {
return "", err
}
cc1 := &cc[0]
pntStr := ""
ehdr32 = (*Elf32_EhdrBytes)(unsafe.Pointer(cc1))
this.ehdr32 = new(Elf32_Ehdr)
if this.isBigEndian {
this.ehdr32.e_type = binary.BigEndian.Uint16(ehdr32.e_type[:])
this.ehdr32.e_machine = binary.BigEndian.Uint16(ehdr32.e_machine[:])
this.ehdr32.e_version = binary.BigEndian.Uint32(ehdr32.e_version[:])
this.ehdr32.e_entry = binary.BigEndian.Uint32(ehdr32.e_entry[:])
this.ehdr32.e_phoff = binary.BigEndian.Uint32(ehdr32.e_phoff[:])
this.ehdr32.e_shoff = binary.BigEndian.Uint32(ehdr32.e_shoff[:])
this.ehdr32.e_flags = binary.BigEndian.Uint32(ehdr32.e_flags[:])
this.ehdr32.e_ehsize = binary.BigEndian.Uint16(ehdr32.e_ehsize[:])
this.ehdr32.e_phentsize = binary.BigEndian.Uint16(ehdr32.e_phentsize[:])
this.ehdr32.e_phnum = binary.BigEndian.Uint16(ehdr32.e_phnum[:])
this.ehdr32.e_shentsize = binary.BigEndian.Uint16(ehdr32.e_shentsize[:])
this.ehdr32.e_shnum = binary.BigEndian.Uint16(ehdr32.e_shnum[:])
this.ehdr32.e_shstrndx = binary.BigEndian.Uint16(ehdr32.e_shstrndx[:])
} else {
this.ehdr32.e_type = binary.LittleEndian.Uint16(ehdr32.e_type[:])
this.ehdr32.e_machine = binary.LittleEndian.Uint16(ehdr32.e_machine[:])
this.ehdr32.e_version = binary.LittleEndian.Uint32(ehdr32.e_version[:])
this.ehdr32.e_entry = binary.LittleEndian.Uint32(ehdr32.e_entry[:])
this.ehdr32.e_phoff = binary.LittleEndian.Uint32(ehdr32.e_phoff[:])
this.ehdr32.e_shoff = binary.LittleEndian.Uint32(ehdr32.e_shoff[:])
this.ehdr32.e_flags = binary.LittleEndian.Uint32(ehdr32.e_flags[:])
this.ehdr32.e_ehsize = binary.LittleEndian.Uint16(ehdr32.e_ehsize[:])
this.ehdr32.e_phentsize = binary.LittleEndian.Uint16(ehdr32.e_phentsize[:])
this.ehdr32.e_phnum = binary.LittleEndian.Uint16(ehdr32.e_phnum[:])
this.ehdr32.e_shentsize = binary.LittleEndian.Uint16(ehdr32.e_shentsize[:])
this.ehdr32.e_shnum = binary.LittleEndian.Uint16(ehdr32.e_shnum[:])
this.ehdr32.e_shstrndx = binary.LittleEndian.Uint16(ehdr32.e_shstrndx[:])
}
pntStr = pntStr + fmt.Sprintf(" %-35s", "Type:")
switch this.ehdr32.e_type {
case ET_REL:
pntStr = pntStr + "REL (Relocatable file)\n"
case ET_EXEC:
pntStr = pntStr + "EXEC (Executable file)\n"
case ET_DYN:
pntStr = pntStr + "DYN (Shared object file)\n"
case ET_CORE:
pntStr = pntStr + "CORE (Core file)\n"
default:
pntStr = pntStr + "No file type\n"
}
pntStr = pntStr + fmt.Sprintf(" %-35s", "Machine:")
switch this.ehdr32.e_machine {
case EM_M32:
pntStr = pntStr + "AT&T WE 32100\n"
case EM_SPARC:
pntStr = pntStr + "SUN SPARC\n"
case EM_386:
pntStr = pntStr + "Intel 80386\n"
case EM_68K:
pntStr = pntStr + "Motorola m68k family\n"
case EM_88K:
pntStr = pntStr + "Motorola m88k family\n"
case EM_860:
pntStr = pntStr + "Intel 80860\n"
case EM_MIPS:
pntStr = pntStr + "MIPS R3000 big-endian\n"
case EM_S370:
pntStr = pntStr + "IBM System/370\n"
case EM_MIPS_RS3_LE:
pntStr = pntStr + "MIPS R3000 little-endian\n"
case EM_PARISC:
pntStr = pntStr + "HPPA\n"
case EM_VPP500:
pntStr = pntStr + "Fujitsu VPP500\n"
case EM_SPARC32PLUS:
pntStr = pntStr + "Sun's \"v8plus\"\n"
case EM_960:
pntStr = pntStr + "Intel 80960\n"
case EM_PPC:
pntStr = pntStr + "PowerPC\n"
case EM_PPC64:
pntStr = pntStr + "PowerPC 64-bit\n"
case EM_S390:
pntStr = pntStr + "IBM S390\n"
case EM_V800:
pntStr = pntStr + "NEC V800 series\n"
case EM_FR20:
pntStr = pntStr + "Fujitsu FR20\n"
case EM_RH32:
pntStr = pntStr + "TRW RH-32\n"
case EM_RCE:
pntStr = pntStr + "Motorola RCE\n"
case EM_ARM:
pntStr = pntStr + "ARM\n"
case EM_FAKE_ALPHA:
pntStr = pntStr + "Digital Alpha\n"
case EM_SH:
pntStr = pntStr + "Hitachi SH\n"
case EM_SPARCV9:
pntStr = pntStr + "SPARC v9 64-bit\n"
case EM_TRICORE:
pntStr = pntStr + "Siemens Tricore\n"
case EM_ARC:
pntStr = pntStr + "Argonaut RISC Core\n"
case EM_H8_300:
pntStr = pntStr + "Hitachi H8/300\n"
case EM_H8_300H:
pntStr = pntStr + "Hitachi H8/300H\n"
case EM_H8S:
pntStr = pntStr + "Hitachi H8S\n"
case EM_H8_500:
pntStr = pntStr + "Hitachi H8/500\n"
case EM_IA_64:
pntStr = pntStr + "Intel Merced\n"
case EM_MIPS_X:
pntStr = pntStr + "Stanford MIPS-X\n"
case EM_COLDFIRE:
pntStr = pntStr + "Motorola Coldfire\n"
case EM_68HC12:
pntStr = pntStr + "Motorola M68HC12\n"
case EM_MMA:
pntStr = pntStr + "Fujitsu MMA Multimedia Accelerator\n"
case EM_PCP:
pntStr = pntStr + "Siemens PCP\n"
case EM_NCPU:
pntStr = pntStr + "Sony nCPU embeeded RISC\n"
case EM_NDR1:
pntStr = pntStr + "Denso NDR1 microprocessor\n"
case EM_STARCORE:
pntStr = pntStr + "Motorola Start*Core processor\n"
case EM_ME16:
pntStr = pntStr + "Toyota ME16 processor\n"
case EM_ST100:
pntStr = pntStr + "STMicroelectronic ST100 processor\n"
case EM_TINYJ:
pntStr = pntStr + "Advanced Logic Corp. Tinyj emb.fam\n"
case EM_X86_64:
pntStr = pntStr + "Advanced Micro Devices X86-64\n"
case EM_PDSP:
pntStr = pntStr + "Sony DSP Processor\n"
case EM_FX66:
pntStr = pntStr + "Siemens FX66 microcontroller\n"
case EM_ST9PLUS:
pntStr = pntStr + "STMicroelectronics ST9+ 8/16 mc\n"
case EM_ST7:
pntStr = pntStr + "STmicroelectronics ST7 8 bit mc\n"
case EM_68HC16:
pntStr = pntStr + "Motorola MC68HC16 microcontroller\n"
case EM_68HC11:
pntStr = pntStr + "Motorola MC68HC11 microcontroller\n"
case EM_68HC08:
pntStr = pntStr + "Motorola MC68HC08 microcontroller\n"
case EM_68HC05:
pntStr = pntStr + "Motorola MC68HC05 microcontroller\n"
case EM_SVX:
pntStr = pntStr + "Silicon Graphics SVx\n"
case EM_ST19:
pntStr = pntStr + "STMicroelectronics ST19 8 bit mc\n"
case EM_VAX:
pntStr = pntStr + "Digital VAX\n"
case EM_CRIS:
pntStr = pntStr + "Axis Communications 32-bit embedded processor\n"
case EM_JAVELIN:
pntStr = pntStr + "Infineon Technologies 32-bit embedded processor\n"
case EM_FIREPATH:
pntStr = pntStr + "Element 14 64-bit DSP Processor\n"
case EM_ZSP:
pntStr = pntStr + "LSI Logic 16-bit DSP Processor\n"
case EM_MMIX:
pntStr = pntStr + "Donald Knuth's educational 64-bit processor\n"
case EM_HUANY:
pntStr = pntStr + "Harvard University machine-independent object files\n"
case EM_PRISM:
pntStr = pntStr + "SiTera Prism\n"
case EM_AVR:
pntStr = pntStr + "Atmel AVR 8-bit microcontroller\n"
case EM_FR30:
pntStr = pntStr + "Fujitsu FR30\n"
case EM_D10V:
pntStr = pntStr + "Mitsubishi D10V\n"
case EM_D30V:
pntStr = pntStr + "Mitsubishi D30V\n"
case EM_V850:
pntStr = pntStr + "NEC v850\n"
case EM_M32R:
pntStr = pntStr + "Mitsubishi M32R\n"
case EM_MN10300:
pntStr = pntStr + "Matsushita MN10300\n"
case EM_MN10200:
pntStr = pntStr + "Matsushita MN10200\n"
case EM_PJ:
pntStr = pntStr + "picoJava\n"
case EM_OPENRISC:
pntStr = pntStr + "OpenRISC 32-bit embedded processor\n"
case EM_ARC_A5:
pntStr = pntStr + "ARC Cores Tangent-A5\n"
case EM_XTENSA:
pntStr = pntStr + "Tensilica Xtensa Architecture\n"
default:
pntStr = pntStr + "No machine\n"
}
pntStr = pntStr + fmt.Sprintf(" %-35s0x%x\n", "Version:", this.ehdr32.e_version)
pntStr = pntStr + fmt.Sprintf(" %-35s0x%x\n", "Entry point address:", this.ehdr32.e_entry)
pntStr = pntStr + fmt.Sprintf(" %-35s%d %s\n", "Start of program headers:", this.ehdr32.e_phoff, "(bytes into file)")
pntStr = pntStr + fmt.Sprintf(" %-35s%d %s\n", "Start of section headers:", this.ehdr32.e_shoff, "(bytes into file)")
pntStr = pntStr + fmt.Sprintf(" %-35s0x%x\n", "Flags:", this.ehdr32.e_flags)
pntStr = pntStr + fmt.Sprintf(" %-35s%d %s\n", "Size of this header:", this.ehdr32.e_ehsize, "(bytes)")
pntStr = pntStr + fmt.Sprintf(" %-35s%d %s\n", "Size of program headers:", this.ehdr32.e_phentsize, "(bytes)")
pntStr = pntStr + fmt.Sprintf(" %-35s%d\n", "Number of program headers:", this.ehdr32.e_phnum)
pntStr = pntStr + fmt.Sprintf(" %-35s%d %s\n", "Size of section headers:", this.ehdr32.e_shentsize, "(bytes)")
pntStr = pntStr + fmt.Sprintf(" %-35s%d\n", "Number of section headers:", this.ehdr32.e_shnum)
pntStr = pntStr + fmt.Sprintf(" %-35s%d\n", "Section header string table index:", this.ehdr32.e_shstrndx)
return pntStr, nil
}
func (this *ELFReader) _GetELFHeaderStr64() (string, error) {
var ehdr64 *Elf64_EhdrBytes
cc := make([]byte, unsafe.Sizeof(*ehdr64))
if _, err := this.f.ReadAt(cc, 0); err != nil {
return "", err
}
cc1 := &cc[0]
pntStr := ""
ehdr64 = (*Elf64_EhdrBytes)(unsafe.Pointer(cc1))
this.ehdr64 = new(Elf64_Ehdr)
if this.isBigEndian { /* 大端 */
this.ehdr64.e_type = binary.BigEndian.Uint16(ehdr64.e_type[:])
this.ehdr64.e_machine = binary.BigEndian.Uint16(ehdr64.e_machine[:])
this.ehdr64.e_version = binary.BigEndian.Uint32(ehdr64.e_version[:])
this.ehdr64.e_entry = binary.BigEndian.Uint64(ehdr64.e_entry[:])
this.ehdr64.e_phoff = binary.BigEndian.Uint64(ehdr64.e_phoff[:])
this.ehdr64.e_shoff = binary.BigEndian.Uint64(ehdr64.e_shoff[:])
this.ehdr64.e_flags = binary.BigEndian.Uint32(ehdr64.e_flags[:])
this.ehdr64.e_ehsize = binary.BigEndian.Uint16(ehdr64.e_ehsize[:])
this.ehdr64.e_phentsize = binary.BigEndian.Uint16(ehdr64.e_phentsize[:])
this.ehdr64.e_phnum = binary.BigEndian.Uint16(ehdr64.e_phnum[:])
this.ehdr64.e_shentsize = binary.BigEndian.Uint16(ehdr64.e_shentsize[:])
this.ehdr64.e_shnum = binary.BigEndian.Uint16(ehdr64.e_shnum[:])
this.ehdr64.e_shstrndx = binary.BigEndian.Uint16(ehdr64.e_shstrndx[:])
} else {
this.ehdr64.e_type = binary.LittleEndian.Uint16(ehdr64.e_type[:])
this.ehdr64.e_machine = binary.LittleEndian.Uint16(ehdr64.e_machine[:])
this.ehdr64.e_version = binary.LittleEndian.Uint32(ehdr64.e_version[:])
this.ehdr64.e_entry = binary.LittleEndian.Uint64(ehdr64.e_entry[:])
this.ehdr64.e_phoff = binary.LittleEndian.Uint64(ehdr64.e_phoff[:])
this.ehdr64.e_shoff = binary.LittleEndian.Uint64(ehdr64.e_shoff[:])
this.ehdr64.e_flags = binary.LittleEndian.Uint32(ehdr64.e_flags[:])
this.ehdr64.e_ehsize = binary.LittleEndian.Uint16(ehdr64.e_ehsize[:])
this.ehdr64.e_phentsize = binary.LittleEndian.Uint16(ehdr64.e_phentsize[:])
this.ehdr64.e_phnum = binary.LittleEndian.Uint16(ehdr64.e_phnum[:])
this.ehdr64.e_shentsize = binary.LittleEndian.Uint16(ehdr64.e_shentsize[:])
this.ehdr64.e_shnum = binary.LittleEndian.Uint16(ehdr64.e_shnum[:])
this.ehdr64.e_shstrndx = binary.LittleEndian.Uint16(ehdr64.e_shstrndx[:])
}
pntStr = pntStr + fmt.Sprintf(" %-35s", "Type:")
switch this.ehdr64.e_type {
case ET_REL:
pntStr = pntStr + "REL (Relocatable file)\n"
case ET_EXEC:
pntStr = pntStr + "EXEC (Executable file)\n"
case ET_DYN:
pntStr = pntStr + "DYN (Shared object file)\n"
case ET_CORE:
pntStr = pntStr + "CORE (Core file)\n"
default:
pntStr = pntStr + "No file type\n"
}
pntStr = pntStr + fmt.Sprintf(" %-35s", "Machine:")
switch this.ehdr64.e_machine {
case EM_M32:
pntStr = pntStr + "AT&T WE 32100\n"
case EM_SPARC:
pntStr = pntStr + "SUN SPARC\n"
case EM_386:
pntStr = pntStr + "Intel 80386\n"
case EM_68K:
pntStr = pntStr + "Motorola m68k family\n"
case EM_88K:
pntStr = pntStr + "Motorola m88k family\n"
case EM_860:
pntStr = pntStr + "Intel 80860\n"
case EM_MIPS:
pntStr = pntStr + "MIPS R3000 big-endian\n"
case EM_S370:
pntStr = pntStr + "IBM System/370\n"
case EM_MIPS_RS3_LE:
pntStr = pntStr + "MIPS R3000 little-endian\n"
case EM_PARISC:
pntStr = pntStr + "HPPA\n"
case EM_VPP500:
pntStr = pntStr + "Fujitsu VPP500\n"
case EM_SPARC32PLUS:
pntStr = pntStr + "Sun's \"v8plus\"\n"
case EM_960:
pntStr = pntStr + "Intel 80960\n"
case EM_PPC:
pntStr = pntStr + "PowerPC\n"
case EM_PPC64:
pntStr = pntStr + "PowerPC 64-bit\n"
case EM_S390:
pntStr = pntStr + "IBM S390\n"
case EM_V800:
pntStr = pntStr + "NEC V800 series\n"
case EM_FR20:
pntStr = pntStr + "Fujitsu FR20\n"
case EM_RH32:
pntStr = pntStr + "TRW RH-32\n"
case EM_RCE:
pntStr = pntStr + "Motorola RCE\n"
case EM_ARM:
pntStr = pntStr + "ARM\n"
case EM_FAKE_ALPHA:
pntStr = pntStr + "Digital Alpha\n"
case EM_SH:
pntStr = pntStr + "Hitachi SH\n"
case EM_SPARCV9:
pntStr = pntStr + "SPARC v9 64-bit\n"
case EM_TRICORE:
pntStr = pntStr + "Siemens Tricore\n"
case EM_ARC:
pntStr = pntStr + "Argonaut RISC Core\n"
case EM_H8_300:
pntStr = pntStr + "Hitachi H8/300\n"
case EM_H8_300H:
pntStr = pntStr + "Hitachi H8/300H\n"
case EM_H8S:
pntStr = pntStr + "Hitachi H8S\n"
case EM_H8_500:
pntStr = pntStr + "Hitachi H8/500\n"
case EM_IA_64:
pntStr = pntStr + "Intel Merced\n"
case EM_MIPS_X:
pntStr = pntStr + "Stanford MIPS-X\n"
case EM_COLDFIRE:
pntStr = pntStr + "Motorola Coldfire\n"
case EM_68HC12:
pntStr = pntStr + "Motorola M68HC12\n"
case EM_MMA:
pntStr = pntStr + "Fujitsu MMA Multimedia Accelerator\n"
case EM_PCP:
pntStr = pntStr + "Siemens PCP\n"
case EM_NCPU:
pntStr = pntStr + "Sony nCPU embeeded RISC\n"
case EM_NDR1:
pntStr = pntStr + "Denso NDR1 microprocessor\n"
case EM_STARCORE:
pntStr = pntStr + "Motorola Start*Core processor\n"
case EM_ME16:
pntStr = pntStr + "Toyota ME16 processor\n"
case EM_ST100:
pntStr = pntStr + "STMicroelectronic ST100 processor\n"
case EM_TINYJ:
pntStr = pntStr + "Advanced Logic Corp. Tinyj emb.fam\n"
case EM_X86_64:
pntStr = pntStr + "Advanced Micro Devices X86-64\n"
case EM_PDSP:
pntStr = pntStr + "Sony DSP Processor\n"
case EM_FX66:
pntStr = pntStr + "Siemens FX66 microcontroller\n"
case EM_ST9PLUS:
pntStr = pntStr + "STMicroelectronics ST9+ 8/16 mc\n"
case EM_ST7:
pntStr = pntStr + "STmicroelectronics ST7 8 bit mc\n"
case EM_68HC16:
pntStr = pntStr + "Motorola MC68HC16 microcontroller\n"
case EM_68HC11:
pntStr = pntStr + "Motorola MC68HC11 microcontroller\n"
case EM_68HC08:
pntStr = pntStr + "Motorola MC68HC08 microcontroller\n"
case EM_68HC05:
pntStr = pntStr + "Motorola MC68HC05 microcontroller\n"
case EM_SVX:
pntStr = pntStr + "Silicon Graphics SVx\n"
case EM_ST19:
pntStr = pntStr + "STMicroelectronics ST19 8 bit mc\n"
case EM_VAX:
pntStr = pntStr + "Digital VAX\n"
case EM_CRIS:
pntStr = pntStr + "Axis Communications 32-bit embedded processor\n"
case EM_JAVELIN:
pntStr = pntStr + "Infineon Technologies 32-bit embedded processor\n"
case EM_FIREPATH:
pntStr = pntStr + "Element 14 64-bit DSP Processor\n"
case EM_ZSP:
pntStr = pntStr + "LSI Logic 16-bit DSP Processor\n"
case EM_MMIX:
pntStr = pntStr + "Donald Knuth's educational 64-bit processor\n"
case EM_HUANY:
pntStr = pntStr + "Harvard University machine-independent object files\n"
case EM_PRISM:
pntStr = pntStr + "SiTera Prism\n"
case EM_AVR:
pntStr = pntStr + "Atmel AVR 8-bit microcontroller\n"
case EM_FR30:
pntStr = pntStr + "Fujitsu FR30\n"
case EM_D10V:
pntStr = pntStr + "Mitsubishi D10V\n"
case EM_D30V:
pntStr = pntStr + "Mitsubishi D30V\n"
case EM_V850:
pntStr = pntStr + "NEC v850\n"
case EM_M32R:
pntStr = pntStr + "Mitsubishi M32R\n"
case EM_MN10300:
pntStr = pntStr + "Matsushita MN10300\n"
case EM_MN10200:
pntStr = pntStr + "Matsushita MN10200\n"
case EM_PJ:
pntStr = pntStr + "picoJava\n"
case EM_OPENRISC:
pntStr = pntStr + "OpenRISC 32-bit embedded processor\n"
case EM_ARC_A5:
pntStr = pntStr + "ARC Cores Tangent-A5\n"
case EM_XTENSA:
pntStr = pntStr + "Tensilica Xtensa Architecture\n"
default:
pntStr = pntStr + "No machine\n"
}
pntStr = pntStr + fmt.Sprintf(" %-35s0x%x\n", "Version:", this.ehdr64.e_version)
pntStr = pntStr + fmt.Sprintf(" %-35s0x%x\n", "Entry point address:", this.ehdr64.e_entry)
pntStr = pntStr + fmt.Sprintf(" %-35s%d %s\n", "Start of program headers:", this.ehdr64.e_phoff, "(bytes into file)")
pntStr = pntStr + fmt.Sprintf(" %-35s%d %s\n", "Start of section headers:", this.ehdr64.e_shoff, "(bytes into file)")
pntStr = pntStr + fmt.Sprintf(" %-35s0x%x\n", "Flags:", this.ehdr64.e_flags)
pntStr = pntStr + fmt.Sprintf(" %-35s%d %s\n", "Size of this header:", this.ehdr64.e_ehsize, "(bytes)")
pntStr = pntStr + fmt.Sprintf(" %-35s%d %s\n", "Size of program headers:", this.ehdr64.e_phentsize, "(bytes)")
pntStr = pntStr + fmt.Sprintf(" %-35s%d\n", "Number of program headers:", this.ehdr64.e_phnum)
pntStr = pntStr + fmt.Sprintf(" %-35s%d %s\n", "Size of section headers:", this.ehdr64.e_shentsize, "(bytes)")
pntStr = pntStr + fmt.Sprintf(" %-35s%d\n", "Number of section headers:", this.ehdr64.e_shnum)
pntStr = pntStr + fmt.Sprintf(" %-35s%d\n", "Section header string table index:", this.ehdr64.e_shstrndx)
return pntStr, nil
}
func (this *ELFReader) PrintELFHeader() error {
pntStr := "ELF Header:\n"
ch := make([]byte, 16)
if _, err := this.f.Read(ch); err != nil {
return err
} else {
pntStr = pntStr + " Magic: "
pntStr = pntStr + fmt.Sprintf("%02x %02x %02x %02x %02x %02x %02x "+
"%02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
ch[0], ch[1], ch[2], ch[3], ch[4], ch[5], ch[6], ch[7],
ch[8], ch[9], ch[10], ch[11], ch[12], ch[13], ch[14], ch[15])
pntStr = pntStr + fmt.Sprintf(" %-35s", "Class:")
switch ch[EI_CLASS] {
case ELFCLASS32:
this.i32 = true
pntStr = pntStr + "ELF32\n"
case ELFCLASS64:
pntStr = pntStr + "ELF64\n"
default:
return errors.New("Invalid class")
}
pntStr = pntStr + fmt.Sprintf(" %-35s", "Data:")
switch ch[EI_DATA] {
case ELFDATA2LSB:
pntStr = pntStr + "2's complement, little endian\n"
case ELFDATA2MSB:
this.isBigEndian = true
pntStr = pntStr + "2's complement, big endian\n"
default:
pntStr = pntStr + "Invalid data encoding\n"
}
pntStr = pntStr + fmt.Sprintf(" %-35s", "Version:")
pntStr = pntStr + fmt.Sprintf("%d (current)\n", EV_CURRENT)
pntStr = pntStr + fmt.Sprintf(" %-35s", "OS/ABI:")
switch ch[EI_OSABI] {
case ELFOSABI_SYSV:
pntStr = pntStr + "UNIX - System V\n"
case ELFOSABI_HPUX:
pntStr = pntStr + "HP - UNIX\n"
case ELFOSABI_NETBSD:
pntStr = pntStr + "NetBSD\n"
case ELFOSABI_LINUX:
pntStr = pntStr + "Linux\n"
case ELFOSABI_SOLARIS:
pntStr = pntStr + "Sun Solaris\n"
case ELFOSABI_AIX:
pntStr = pntStr + "IBM AIX\n"
case ELFOSABI_IRIX:
pntStr = pntStr + "SGI Irix\n"
case ELFOSABI_FREEBSD:
pntStr = pntStr + "FreeBSD\n"
case ELFOSABI_TRU64:
pntStr = pntStr + "Compaq TRU64 UNIX\n"
case ELFOSABI_MODESTO:
pntStr = pntStr + "Novell Modesto\n"
case ELFOSABI_OPENBSD:
pntStr = pntStr + "OpenBSD\n"
case ELFOSABI_ARM:
pntStr = pntStr + "ARM\n"
case ELFOSABI_STANDALONE:
pntStr = pntStr + "Standalone (embedded) application\n"
default:
pntStr = pntStr + "Invalid OS ABI identification\n"
}
pntStr = pntStr + fmt.Sprintf(" %-35s%d\n", "ABI Version:", ch[EI_ABIVERSION])