readelf -a conftest-mwe.gcc

conftest-mwe.gcc.readelf (text/plain), 8.50 KB, created by Dennis Schridde on 2018-12-29 21:25:33 UTC

ELF Header:
  Magic:   7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00 
  Class:                             ELF64
  Data:                              2's complement, little endian
  Version:                           1 (current)
  OS/ABI:                            UNIX - System V
  ABI Version:                       0
  Type:                              EXEC (Executable file)
  Machine:                           Advanced Micro Devices X86-64
  Version:                           0x1
  Entry point address:               0x201000
  Start of program headers:          64 (bytes into file)
  Start of section headers:          15136 (bytes into file)
  Flags:                             0x0
  Size of this header:               64 (bytes)
  Size of program headers:           56 (bytes)
  Number of program headers:         7
  Size of section headers:           64 (bytes)
  Number of section headers:         25
  Section header string table index: 23

Section Headers:
  [Nr] Name              Type             Address           Offset
       Size              EntSize          Flags  Link  Info  Align
  [ 0]                   NULL             0000000000000000  00000000
       0000000000000000  0000000000000000           0     0     0
  [ 1] .dynsym           DYNSYM           00000000002001c8  000001c8
       0000000000000030  0000000000000018   A       5     1     8
  [ 2] .gnu.version      VERSYM           00000000002001f8  000001f8
       0000000000000004  0000000000000002   A       1     0     2
  [ 3] .gnu.version_r    VERNEED          00000000002001fc  000001fc
       0000000000000020  0000000000000000   A       5     1     4
  [ 4] .gnu.hash         GNU_HASH         0000000000200220  00000220
       000000000000001c  0000000000000000   A       1     0     8
  [ 5] .dynstr           STRTAB           000000000020023c  0000023c
       0000000000000044  0000000000000000   A       0     0     1
  [ 6] .rela.plt         RELA             0000000000200280  00000280
       0000000000000018  0000000000000018   A       1     0     8
  [ 7] .rodata           PROGBITS         0000000000200298  00000298
       0000000000000005  0000000000000000   A       0     0     1
  [ 8] .eh_frame         PROGBITS         00000000002002a0  000002a0
       000000000000003c  0000000000000000   A       0     0     8
  [ 9] .text             PROGBITS         0000000000201000  00001000
       0000000000000022  0000000000000000  AX       0     0     1
  [10] .plt              PROGBITS         0000000000201030  00001030
       0000000000000020  0000000000000000  AX       0     0     16
  [11] .data             PROGBITS         0000000000202000  00002000
       0000000000000000  0000000000000000  WA       0     0     1
  [12] .got.plt          PROGBITS         0000000000202000  00002000
       0000000000000020  0000000000000000  WA       0     0     8
  [13] .dynamic          DYNAMIC          0000000000203000  00003000
       0000000000000110  0000000000000010  WA       5     0     8
  [14] .bss              NOBITS           0000000000204000  00003110
       0000000000000000  0000000000000000  WA       0     0     1
  [15] .debug_info       PROGBITS         0000000000000000  00003110
       0000000000000326  0000000000000000           0     0     1
  [16] .debug_abbrev     PROGBITS         0000000000000000  00003436
       00000000000000e1  0000000000000000           0     0     1
  [17] .debug_aranges    PROGBITS         0000000000000000  00003517
       0000000000000030  0000000000000000           0     0     1
  [18] .debug_ranges     PROGBITS         0000000000000000  00003547
       0000000000000020  0000000000000000           0     0     1
  [19] .debug_line       PROGBITS         0000000000000000  00003567
       00000000000000ff  0000000000000000           0     0     1
  [20] .debug_str        PROGBITS         0000000000000000  00003666
       00000000000002cc  0000000000000001  MS       0     0     1
  [21] .comment          PROGBITS         0000000000000000  00003932
       0000000000000035  0000000000000001  MS       0     0     1
  [22] .symtab           SYMTAB           0000000000000000  00003968
       0000000000000090  0000000000000018          24     4     8
  [23] .shstrtab         STRTAB           0000000000000000  000039f8
       00000000000000ec  0000000000000000           0     0     1
  [24] .strtab           STRTAB           0000000000000000  00003ae4
       0000000000000039  0000000000000000           0     0     1
Key to Flags:
  W (write), A (alloc), X (execute), M (merge), S (strings), I (info),
  L (link order), O (extra OS processing required), G (group), T (TLS),
  C (compressed), x (unknown), o (OS specific), E (exclude),
  l (large), p (processor specific)

There are no section groups in this file.

Program Headers:
  Type           Offset             VirtAddr           PhysAddr
                 FileSiz            MemSiz              Flags  Align
  PHDR           0x0000000000000040 0x0000000000200040 0x0000000000200040
                 0x0000000000000188 0x0000000000000188  R      0x8
  LOAD           0x0000000000000000 0x0000000000200000 0x0000000000200000
                 0x00000000000002dc 0x00000000000002dc  R      0x1000
  LOAD           0x0000000000001000 0x0000000000201000 0x0000000000201000
                 0x0000000000000050 0x0000000000000050  R E    0x1000
  LOAD           0x0000000000002000 0x0000000000202000 0x0000000000202000
                 0x0000000000001110 0x0000000000002000  RW     0x1000
  DYNAMIC        0x0000000000003000 0x0000000000203000 0x0000000000203000
                 0x0000000000000110 0x0000000000000110  RW     0x8
  GNU_RELRO      0x0000000000003000 0x0000000000203000 0x0000000000203000
                 0x0000000000000110 0x0000000000001000  R      0x1
  GNU_STACK      0x0000000000000000 0x0000000000000000 0x0000000000000000
                 0x0000000000000000 0x0000000000000000  RW     0x0

 Section to Segment mapping:
  Segment Sections...
   00     
   01     .dynsym .gnu.version .gnu.version_r .gnu.hash .dynstr .rela.plt .rodata .eh_frame 
   02     .text .plt 
   03     .data .got.plt .dynamic 
   04     .dynamic 
   05     .dynamic 
   06     

Dynamic section at offset 0x3000 contains 17 entries:
  Tag        Type                         Name/Value
 0x000000000000001d (RUNPATH)            Library runpath: [/usr/lib64/firefox]
 0x0000000000000001 (NEEDED)             Shared library: [libc.so.6]
 0x0000000000000001 (NEEDED)             Shared library: [ld-linux-x86-64.so.2]
 0x0000000000000015 (DEBUG)              0x0
 0x0000000000000017 (JMPREL)             0x200280
 0x0000000000000002 (PLTRELSZ)           24 (bytes)
 0x0000000000000003 (PLTGOT)             0x202000
 0x0000000000000014 (PLTREL)             RELA
 0x0000000000000006 (SYMTAB)             0x2001c8
 0x000000000000000b (SYMENT)             24 (bytes)
 0x0000000000000005 (STRTAB)             0x20023c
 0x000000000000000a (STRSZ)              68 (bytes)
 0x000000006ffffef5 (GNU_HASH)           0x200220
 0x000000006ffffff0 (VERSYM)             0x2001f8
 0x000000006ffffffe (VERNEED)            0x2001fc
 0x000000006fffffff (VERNEEDNUM)         1
 0x0000000000000000 (NULL)               0x0

Relocation section '.rela.plt' at offset 0x280 contains 1 entry:
  Offset          Info           Type           Sym. Value    Sym. Name + Addend
000000202018  000100000007 R_X86_64_JUMP_SLO 0000000000000000 puts@GLIBC_2.2.5 + 0

The decoding of unwind sections for machine type Advanced Micro Devices X86-64 is not currently supported.

Symbol table '.dynsym' contains 2 entries:
   Num:    Value          Size Type    Bind   Vis      Ndx Name
     0: 0000000000000000     0 NOTYPE  LOCAL  DEFAULT  UND 
     1: 0000000000000000     0 FUNC    GLOBAL DEFAULT  UND puts@GLIBC_2.2.5 (2)

Symbol table '.symtab' contains 6 entries:
   Num:    Value          Size Type    Bind   Vis      Ndx Name
     0: 0000000000000000     0 NOTYPE  LOCAL  DEFAULT  UND 
     1: 0000000000000000     0 FILE    LOCAL  DEFAULT  ABS conftest-mwe.c
     2: 0000000000202000     0 NOTYPE  LOCAL  HIDDEN    12 _GLOBAL_OFFSET_TABLE_
     3: 0000000000203000     0 NOTYPE  LOCAL  HIDDEN    13 _DYNAMIC
     4: 0000000000201000    34 FUNC    GLOBAL DEFAULT    9 main
     5: 0000000000000000     0 FUNC    GLOBAL DEFAULT  UND puts

Version symbols section '.gnu.version' contains 2 entries:
 Addr: 00000000002001f8  Offset: 0x0001f8  Link: 1 (.dynsym)
  000:   0 (*local*)       2 (GLIBC_2.2.5)

Version needs section '.gnu.version_r' contains 1 entry:
 Addr: 0x00000000002001fc  Offset: 0x0001fc  Link: 5 (.dynstr)
  000000: Version: 1  File: libc.so.6  Cnt: 1
  0x0010:   Name: GLIBC_2.2.5  Flags: none  Version: 2