compress-debug-sections-zlib-header.test

# REQUIRES: zlib

# RUN: yaml2obj %s -o %t1.o
# RUN: llvm-objcopy --compress-debug-sections %t1.o %t2.o
# RUN: llvm-readobj -S %t2.o | FileCheck %s

# Non-.zdebug* sections whose data does start with "ZLIB" should
# not be considered as zlib-gnu compressed sections.

# In this test we have 2 normal sections, one of them starts with "ZLIB",
# another starts with "ZZZZ". Check we compress both as expected.

# CHECK:        Name: .debug_foo
# CHECK-NEXT:   Type: SHT_PROGBITS
# CHECK-NEXT:   Flags [
# CHECK-NEXT:     SHF_COMPRESSED
# CHECK-NEXT:   ]

# CHECK:        Name: .debug_bar
# CHECK-NEXT:   Type: SHT_PROGBITS
# CHECK-NEXT:   Flags [
# CHECK-NEXT:     SHF_COMPRESSED
# CHECK-NEXT:   ]

--- !ELF
FileHeader:      
  Class:           ELFCLASS64
  Data:            ELFDATA2LSB
  Type:            ET_REL
  Machine:         EM_X86_64
Sections:        
  - Name:            .debug_foo
    Type:            SHT_PROGBITS
    AddressAlign:    0x0000000000000001
    # "ZLIB"
    Content:         5A4C49420000000000000000
  - Name:            .debug_bar
    Type:            SHT_PROGBITS
    AddressAlign:    0x0000000000000001
    # "ZZZZ"
    Content:         5A5A5A5A0000000000000000