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preserve-segment-contents-ehdr-phdrs.test @stableraw · history · blame

## Show that llvm-objcopy correctly updates the elf header and program header
## table when they are within a segment.

# RUN: yaml2obj %s -o %t.in
## Validate that the properties are different before the removal.
# RUN: llvm-readobj --file-headers --program-headers %t.in | FileCheck %s --check-prefix=BEFORE
# RUN: llvm-objcopy %t.in %t.out -R .remove_me
# RUN: llvm-readobj --file-headers --program-headers %t.out | FileCheck %s --check-prefix=AFTER

# BEFORE: SectionHeaderCount: 6
# BEFORE:      Type: PT_LOAD
# BEFORE-NEXT: Offset: 0x0
# BEFORE:      Type: PT_LOAD
# BEFORE-NEXT: Offset: 0x240

# AFTER:      SectionHeaderCount: 5
# AFTER:      Type: PT_LOAD
# AFTER-NEXT: Offset: 0x0
# AFTER:      Type: PT_LOAD
# AFTER-NEXT: Offset: 0xB0

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_EXEC
  Machine: EM_X86_64
Sections:
  - Name: .remove_me
    Type: SHT_PROGBITS
    Size: 0x10
  - Name: .keep_me
    Type: SHT_PROGBITS
    Size: 0x10
ProgramHeaders:
  - Type:     PT_LOAD
    Offset:   0
    FileSize: 176 # sizeof(Elf64_Ehdr) + 2 * sizeof(Elf64_Phdr)
  - Type:     PT_LOAD
    Sections:
      - Section: .keep_me