test/old-elf/export-dynamic.test

# Tests the --export-dynamic (-E) flag. When creating a dynamic executable and
# receiving this flag, the linker should export all globally visible symbols in
# its dynamic symbol table.

#RUN: yaml2obj -format=elf %s -o=%t.o
#RUN: lld -flavor old-gnu  -target x86_64 -E %t.o -e=main -o %t1
#RUN: llvm-readobj -dt %t1 | FileCheck -check-prefix CHECKSYMS %s

#CHECKSYMS: myfunc1@
#CHECKSYMS: main@
#CHECKSYMS: myvar1@

# The object file below was generated with the following code:
#
# (command line clang -c prog.c -o prog.o)
#
# int myvar1 = 22;
#
# static int mysecretvar = 11;
#
# int myfunc1() {
#   return 23;
# }
#
# static int mysecretfunc() {
#   return 42;
# }
#
# int main() {
#   return mysecretfunc() + mysecretvar;
# }
---
FileHeader:
  Class:           ELFCLASS64
  Data:            ELFDATA2LSB
  OSABI:           ELFOSABI_GNU
  Type:            ET_REL
  Machine:         EM_X86_64
Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    0x0000000000000010
    Content:         554889E5B8170000005DC30F1F440000554889E54883EC10C745FC00000000E81C000000030425000000004883C4105DC36666666666662E0F1F840000000000554889E5B82A0000005DC3
  - Name:            .rela.text
    Type:            SHT_RELA
    Link:            .symtab
    AddressAlign:    0x0000000000000008
    Info:            .text
    Relocations:
      - Offset:          0x0000000000000027
        Symbol:          .data
        Type:            R_X86_64_32S
        Addend:          4
  - Name:            .data
    Type:            SHT_PROGBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC ]
    AddressAlign:    0x0000000000000004
    Content:         160000000B000000
  - Name:            .bss
    Type:            SHT_NOBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC ]
    AddressAlign:    0x0000000000000004
Symbols:
  Local:
    - Name:            mysecretfunc
      Type:            STT_FUNC
      Section:         .text
      Value:           0x0000000000000040
      Size:            0x000000000000000B
    - Name:            mysecretvar
      Type:            STT_OBJECT
      Section:         .data
      Value:           0x0000000000000004
      Size:            0x0000000000000004
    - Name:            .text
      Type:            STT_SECTION
      Section:         .text
    - Name:            .data
      Type:            STT_SECTION
      Section:         .data
    - Name:            .bss
      Type:            STT_SECTION
      Section:         .bss
  Global:
    - Name:            main
      Type:            STT_FUNC
      Section:         .text
      Value:           0x0000000000000010
      Size:            0x0000000000000021
    - Name:            myfunc1
      Type:            STT_FUNC
      Section:         .text
      Size:            0x000000000000000B
    - Name:            myvar1
      Type:            STT_OBJECT
      Section:         .data
      Size:            0x0000000000000004