no-symbol-relocation.test 1.84 KB
# RUN: yaml2obj --docnum=1 %s > %t1
# RUN: llvm-objcopy %t1 %t2
# RUN: llvm-readobj --relocations %t2 | FileCheck %s

--- !ELF
FileHeader:
  Class:           ELFCLASS64
  Data:            ELFDATA2LSB
  Type:            ET_EXEC
  Machine:         EM_X86_64
Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    Address:         0x1000
    AddressAlign:    0x0000000000000010
    Content:         "0000000000000000"
  - Name:            .rel.text
    Type:            SHT_REL
    Info:            .text
    Relocations:
      - Offset: 0x1000
        Type:   R_X86_64_RELATIVE

# CHECK:     Relocations [
# CHECK-NEXT:  Section (2) .rel.text {
# CHECK-NEXT:    0x1000 R_X86_64_RELATIVE - 0x0
# CHECK-NEXT:  }
# CHECK-NEXT:]

## Check we produce a valid output when stripping unneeded symbols from an object that
## has a symbol table and a relocation with a symbol index of 0.

# RUN: yaml2obj --docnum=2 %s > %t3
# RUN: llvm-objcopy --strip-unneeded %t3 %t4
# RUN: llvm-readobj --relocations --sections --symbols %t4 | FileCheck %s --check-prefix=STRIP

# STRIP:      Relocations [
# STRIP-NEXT:   Section {{.*}} .rel.text {
# STRIP-NEXT:     0x1000 R_X86_64_NONE - 0x0
# STRIP-NEXT:   }
# STRIP-NEXT: ]
# STRIP-NEXT: Symbols [
# STRIP-NEXT:   Symbol {
# STRIP-NEXT:     Name:  (0)
# STRIP-NEXT:     Value: 0x0
# STRIP-NEXT:     Size: 0
# STRIP-NEXT:     Binding: Local (0x0)
# STRIP-NEXT:     Type: None (0x0)
# STRIP-NEXT:     Other: 0
# STRIP-NEXT:     Section: Undefined (0x0)
# STRIP-NEXT:   }
# STRIP-NEXT: ]

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_REL
  Machine: EM_X86_64
Sections:
  - Name:  .text
    Type:  SHT_PROGBITS
  - Name:  .rel.text
    Type:  SHT_REL
    Info:  .text
    Relocations:
      - Offset: 0x1000
        Type:   R_X86_64_NONE
Symbols: []