llvm/test/tools/llvm-dwp/X86/multiple_debug_info_sections_in_dwp.s

   1 # RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.dwp
   2 # RUN: not llvm-dwp %t.dwp -o /dev/null 2>&1 | FileCheck %s
   3
   4 ## Note: To reach the test point, we need to use comdat groups, to have multiple
   5 ## .debug_info sections. One comdat group needs to have one complete unit header,
   6 ## the second one may be completely empty.
   7 ## Furthermore, the .debug_cu_index also does not need to be complete.
   8
   9 # CHECK: error: expected exactly one occurrence of a debug info section in a .dwp file
  10     .section    .debug_info.dwo,"G",@progbits,0xFDFDFDFD,comdat
  11     .long       .Ldebug_info_dwo_end1-.Ldebug_info_dwo_start1 # Length of Unit
  12 .Ldebug_info_dwo_start1:
  13     .short      5                               # DWARF version number
  14     .byte       5                               # DWARF Unit Type (DW_UT_split_compile)
  15     .byte       8                               # Address Size (in bytes)
  16     .long       0                               # Offset Into Abbrev. Section
  17     .quad       -1506010254921578184
  18     .byte       1                               # Abbrev [1] DW_TAG_compile_unit
  19 .Ldebug_info_dwo_end1:
  20 .section        .debug_info.dwo,"G",@progbits,0xDFDFDFDF,comdat
  21     .long       0                               # Length of Unit
  22   .section .debug_cu_index, "", @progbits
  23 ## Incomplete Header:
  24     .long 2                         # Version