RUN: llvm-dwarfdump %p/Inputs/dwarfdump-header.elf-x86-64 | FileCheck %s The input file is hand-coded assembler to generate all the units, so we're willing to make exact checks for offsets and such. CHECK-LABEL: .debug_info contents: The v4 CU header. CHECK: 0x00000000: Compile Unit: length = 0x00000011 version = 0x0004 abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x00000015) CHECK: 0x0000000b: DW_TAG_compile_unit The v5 normal CU header. CHECK: 0x00000015: Compile Unit: length = 0x00000012 version = 0x0005 unit_type = DW_UT_compile abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x0000002b) CHECK: 0x00000021: DW_TAG_compile_unit CHECK-LABEL: .debug_types contents: The v4 type unit header. CHECK: 0x00000000: Type Unit: length = 0x0000001f version = 0x0004 abbr_offset = 0x0000 addr_size = 0x08 name = 'V4_type_unit' type_signature = 0x0011223344556677 type_offset = 0x001c (next unit at 0x00000023) CHECK: 0x00000017: DW_TAG_type_unit FIXME: DWARF v5 wants type units in .debug_info[.dwo] not .debug_types[.dwo]. CHECK: .debug_types.dwo contents: CHECK: 0x00000000: Type Unit: length = 0x00000020 version = 0x0005 unit_type = DW_UT_split_type abbr_offset = 0x0000 addr_size = 0x08 name = 'V5_split_type_unit' type_signature = 0x8899aabbccddeeff type_offset = 0x001d (next unit at 0x00000024) CHECK: 0x00000018: DW_TAG_type_unit