# Test object to verify dwarfdump handles v4 and v5 CU/TU/line headers. # We have a representative set of units: v4 CU, v5 CU, v4 TU, v5 split TU. # We have v4 and v5 line-table headers. # # RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o - | \ # RUN: llvm-dwarfdump -v - | FileCheck %s .section .debug_str,"MS",@progbits,1 str_producer: .asciz "Handmade DWARF producer" str_CU_4: .asciz "V4_compile_unit" str_CU_5: .asciz "V5_compile_unit" str_TU_4: .asciz "V4_type_unit" str_LT_5a: .asciz "Directory5a" str_LT_5b: .asciz "Directory5b" .section .debug_str.dwo,"MS",@progbits,1 dwo_TU_5: .asciz "V5_split_type_unit" dwo_producer: .asciz "Handmade DWO producer" dwo_CU_5: .asciz "V5_dwo_compile_unit" dwo_LT_5a: .asciz "DWODirectory5a" dwo_LT_5b: .asciz "DWODirectory5b" # All CUs/TUs use the same abbrev section for simplicity. .section .debug_abbrev,"",@progbits .byte 0x01 # Abbrev code .byte 0x11 # DW_TAG_compile_unit .byte 0x00 # DW_CHILDREN_no .byte 0x25 # DW_AT_producer .byte 0x0e # DW_FORM_strp .byte 0x03 # DW_AT_name .byte 0x0e # DW_FORM_strp .byte 0x10 # DW_AT_stmt_list .byte 0x17 # DW_FORM_sec_offset .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x02 # Abbrev code .byte 0x41 # DW_TAG_type_unit .byte 0x01 # DW_CHILDREN_yes .byte 0x03 # DW_AT_name .byte 0x0e # DW_FORM_strp .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x03 # Abbrev code .byte 0x13 # DW_TAG_structure_type .byte 0x00 # DW_CHILDREN_no (no members) .byte 0x03 # DW_AT_name .byte 0x0e # DW_FORM_strp .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x00 # EOM(3) # And a .dwo copy for the .dwo sections. .section .debug_abbrev.dwo,"",@progbits .byte 0x01 # Abbrev code .byte 0x11 # DW_TAG_compile_unit .byte 0x00 # DW_CHILDREN_no .byte 0x25 # DW_AT_producer .byte 0x0e # DW_FORM_strp .byte 0x03 # DW_AT_name .byte 0x0e # DW_FORM_strp .byte 0x10 # DW_AT_stmt_list .byte 0x17 # DW_FORM_sec_offset .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x02 # Abbrev code .byte 0x41 # DW_TAG_type_unit .byte 0x01 # DW_CHILDREN_yes .byte 0x03 # DW_AT_name .byte 0x0e # DW_FORM_strp .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x03 # Abbrev code .byte 0x13 # DW_TAG_structure_type .byte 0x00 # DW_CHILDREN_no (no members) .byte 0x03 # DW_AT_name .byte 0x0e # DW_FORM_strp .byte 0x00 # EOM(1) .byte 0x00 # EOM(2) .byte 0x00 # EOM(3) .section .debug_info,"",@progbits # CHECK-LABEL: .debug_info contents: # DWARF v4 CU header. V4 CU headers all look the same so we do only one. .long CU_4_end-CU_4_version # Length of Unit CU_4_version: .short 4 # DWARF version number .long .debug_abbrev # Offset Into Abbrev. Section .byte 8 # Address Size (in bytes) # The compile-unit DIE, with DW_AT_producer, DW_AT_name, DW_AT_stmt_list. .byte 1 .long str_producer .long str_CU_4 .long LH_4_start .byte 0 # NULL CU_4_end: # CHECK: 0x00000000: Compile Unit: length = 0x00000015 version = 0x0004 abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x00000019) # CHECK: 0x0000000b: DW_TAG_compile_unit # DWARF v5 normal CU header. .long CU_5_end-CU_5_version # Length of Unit CU_5_version: .short 5 # DWARF version number .byte 1 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev # Offset Into Abbrev. Section # The compile-unit DIE, with DW_AT_producer, DW_AT_name, DW_AT_stmt_list. .byte 1 .long str_producer .long str_CU_5 .long LH_5_start .byte 0 # NULL CU_5_end: # CHECK: 0x00000019: Compile Unit: length = 0x00000016 version = 0x0005 unit_type = DW_UT_compile abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x00000033) # CHECK: 0x00000025: DW_TAG_compile_unit .section .debug_info.dwo,"",@progbits # CHECK-LABEL: .debug_info.dwo # DWARF v5 split CU header. .long CU_split_5_end-CU_split_5_version # Length of Unit CU_split_5_version: .short 5 # DWARF version number .byte 5 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev.dwo # Offset Into Abbrev. Section # The split compile-unit DIE, with DW_AT_producer, DW_AT_name, DW_AT_stmt_list. .byte 1 .long dwo_producer .long dwo_CU_5 .long dwo_LH_5_start .byte 0 # NULL CU_split_5_end: # CHECK: 0x00000000: Compile Unit: length = 0x00000016 version = 0x0005 unit_type = DW_UT_split_compile abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x0000001a) # CHECK: 0x0000000c: DW_TAG_compile_unit # CHECK-NEXT: DW_AT_producer {{.*}} "Handmade DWO producer" # CHECK-NEXT: DW_AT_name {{.*}} "V5_dwo_compile_unit" .section .debug_types,"",@progbits # CHECK-LABEL: .debug_types contents: # DWARF v4 Type unit header. Normal/split are identical so we do only one. TU_4_start: .long TU_4_end-TU_4_version # Length of Unit TU_4_version: .short 4 # DWARF version number .long .debug_abbrev # Offset Into Abbrev. Section .byte 8 # Address Size (in bytes) .quad 0x0011223344556677 # Type Signature .long TU_4_type-TU_4_start # Type offset # The type-unit DIE, which has a name. .byte 2 .long str_TU_4 # The type DIE, which has a name. TU_4_type: .byte 3 .long str_TU_4 .byte 0 # NULL .byte 0 # NULL TU_4_end: # 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 .section .debug_types.dwo,"",@progbits # FIXME: DWARF v5 wants type units in .debug_info[.dwo] not .debug_types[.dwo]. # CHECK: .debug_types.dwo contents: # DWARF v5 split type unit header. TU_split_5_start: .long TU_split_5_end-TU_split_5_version # Length of Unit TU_split_5_version: .short 5 # DWARF version number .byte 6 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev.dwo # Offset Into Abbrev. Section .quad 0x8899aabbccddeeff # Type Signature .long TU_split_5_type-TU_split_5_start # Type offset # The type-unit DIE, which has a name. .byte 2 .long dwo_TU_5 # The type DIE, which has a name. TU_split_5_type: .byte 3 .long dwo_TU_5 .byte 0 # NULL .byte 0 # NULL TU_split_5_end: # 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 .section .debug_line,"",@progbits # CHECK-LABEL: .debug_line contents: # DWARF v4 line-table header. LH_4_start: .long LH_4_end-LH_4_version # Length of Unit LH_4_version: .short 4 # DWARF version number .long LH_4_header_end-LH_4_params # Length of Prologue LH_4_params: .byte 1 # Minimum Instruction Length .byte 1 # Maximum Operations per Instruction .byte 1 # Default is_stmt .byte -5 # Line Base .byte 14 # Line Range .byte 13 # Opcode Base .byte 0 # Standard Opcode Lengths .byte 1 .byte 1 .byte 1 .byte 1 .byte 0 .byte 0 .byte 0 .byte 1 .byte 0 .byte 0 .byte 1 # Directory table .asciz "Directory4a" .asciz "Directory4b" .byte 0 # File table .asciz "File4a" # File name 1 .byte 1 # Directory index 1 .byte 0x41 # Timestamp 1 .byte 0x42 # File Size 1 .asciz "File4b" # File name 2 .byte 0 # Directory index 2 .byte 0x43 # Timestamp 2 .byte 0x44 # File Size 2 .byte 0 # End of list LH_4_header_end: # Line number program, which is empty. LH_4_end: # CHECK: Line table prologue: # CHECK: version: 4 # CHECK-NOT: address_size # CHECK-NOT: seg_select_size # CHECK: max_ops_per_inst: 1 # CHECK: include_directories[ 1] = 'Directory4a' # CHECK: include_directories[ 2] = 'Directory4b' # CHECK-NOT: include_directories # CHECK: file_names[ 1] 1 0x00000041 0x00000042 File4a{{$}} # CHECK: file_names[ 2] 0 0x00000043 0x00000044 File4b{{$}} # CHECK-NOT: file_names # DWARF v5 line-table header. LH_5_start: .long LH_5_end-LH_5_version # Length of Unit LH_5_version: .short 5 # DWARF version number .byte 8 # Address Size .byte 0 # Segment Selector Size .long LH_5_header_end-LH_5_params # Length of Prologue LH_5_params: .byte 1 # Minimum Instruction Length .byte 1 # Maximum Operations per Instruction .byte 1 # Default is_stmt .byte -5 # Line Base .byte 14 # Line Range .byte 13 # Opcode Base .byte 0 # Standard Opcode Lengths .byte 1 .byte 1 .byte 1 .byte 1 .byte 0 .byte 0 .byte 0 .byte 1 .byte 0 .byte 0 .byte 1 # Directory table format .byte 1 # One element per directory entry .byte 1 # DW_LNCT_path .byte 0x0e # DW_FORM_strp (-> .debug_str) # Directory table entries .byte 2 # Two directories .long str_LT_5a .long str_LT_5b # File table format .byte 3 # Three elements per file entry .byte 1 # DW_LNCT_path .byte 0x08 # DW_FORM_string .byte 2 # DW_LNCT_directory_index .byte 0x0b # DW_FORM_data1 .byte 5 # DW_LNCT_MD5 .byte 0x1e # DW_FORM_data16 # File table entries .byte 2 # Two files .asciz "File5a" .byte 1 .quad 0x7766554433221100 .quad 0xffeeddccbbaa9988 .asciz "File5b" .byte 2 .quad 0x8899aabbccddeeff .quad 0x0011223344556677 LH_5_header_end: # Line number program, which is empty. LH_5_end: # CHECK: Line table prologue: # CHECK: version: 5 # CHECK: address_size: 8 # CHECK: seg_select_size: 0 # CHECK: max_ops_per_inst: 1 # CHECK: include_directories[ 1] = 'Directory5a' # CHECK: include_directories[ 2] = 'Directory5b' # CHECK-NOT: include_directories # CHECK: MD5 Checksum # CHECK: file_names[ 1] 1 00112233445566778899aabbccddeeff File5a{{$}} # CHECK: file_names[ 2] 2 ffeeddccbbaa99887766554433221100 File5b{{$}} # CHECK-NOT: file_names .section .debug_line.dwo,"",@progbits # CHECK-LABEL: .debug_line.dwo # DWARF v5 DWO line-table header. dwo_LH_5_start: .long dwo_LH_5_end-dwo_LH_5_version # Length of Unit dwo_LH_5_version: .short 5 # DWARF version number .byte 8 # Address Size .byte 0 # Segment Selector Size .long dwo_LH_5_header_end-dwo_LH_5_params # Length of Prologue dwo_LH_5_params: .byte 1 # Minimum Instruction Length .byte 1 # Maximum Operations per Instruction .byte 1 # Default is_stmt .byte -5 # Line Base .byte 14 # Line Range .byte 13 # Opcode Base .byte 0 # Standard Opcode Lengths .byte 1 .byte 1 .byte 1 .byte 1 .byte 0 .byte 0 .byte 0 .byte 1 .byte 0 .byte 0 .byte 1 # Directory table format .byte 1 # One element per directory entry .byte 1 # DW_LNCT_path .byte 0x0e # DW_FORM_strp (-> .debug_str.dwo) # Directory table entries .byte 2 # Two directories .long dwo_LT_5a .long dwo_LT_5b # File table format .byte 4 # Four elements per file entry .byte 1 # DW_LNCT_path .byte 0x08 # DW_FORM_string .byte 2 # DW_LNCT_directory_index .byte 0x0b # DW_FORM_data1 .byte 3 # DW_LNCT_timestamp .byte 0x0f # DW_FORM_udata .byte 4 # DW_LNCT_size .byte 0x0f # DW_FORM_udata # File table entries .byte 2 # Two files .asciz "DWOFile5a" .byte 1 .byte 0x15 .byte 0x25 .asciz "DWOFile5b" .byte 2 .byte 0x35 .byte 0x45 dwo_LH_5_header_end: # Line number program, which is empty. dwo_LH_5_end: # CHECK: Line table prologue: # CHECK: version: 5 # CHECK: address_size: 8 # CHECK: seg_select_size: 0 # CHECK: max_ops_per_inst: 1 # CHECK: include_directories[ 1] = 'DWODirectory5a' # CHECK: include_directories[ 2] = 'DWODirectory5b' # CHECK-NOT: include_directories # CHECK: file_names[ 1] 1 0x00000015 0x00000025 DWOFile5a{{$}} # CHECK: file_names[ 2] 2 0x00000035 0x00000045 DWOFile5b{{$}} # CHECK-NOT: file_names