# 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 %t.o # RUN: llvm-dwarfdump -v %t.o | FileCheck %s # RUN: llvm-dwarfdump -verify %t.o | FileCheck %s --check-prefix=VERIFY .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,"MSe",@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,"e",@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, format = DWARF32, 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, format = DWARF32, 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,"e",@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 .quad 0x5a # DWO ID # 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 = 0x0000001e, format = DWARF32, version = 0x0005, unit_type = DW_UT_split_compile, abbr_offset = 0x0000, addr_size = 0x08, DWO_id = 0x000000000000005a (next unit at 0x00000022) # CHECK: 0x00000014: DW_TAG_compile_unit # CHECK-NEXT: DW_AT_producer {{.*}} "Handmade DWO producer" # CHECK-NEXT: DW_AT_name {{.*}} "V5_dwo_compile_unit" # Now a DWARF v5 type unit, which goes in a .debug_info.dwo comdat. # Note there will not be another ".debug_info.dwo contents:" line, even though # there is a separate ELF section header; it's dumped along with the previous # unit as if they were in a single section. .section .debug_info.dwo,"Ge",@progbits,5555,comdat # CHECK-NOT: .debug_info.dwo # 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, format = DWARF32, 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_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, format = DWARF32, 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_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]: # CHECK-NEXT: name: "File4a" # CHECK-NEXT: dir_index: 1 # CHECK-NEXT: mod_time: 0x00000041 # CHECK-NEXT: length: 0x00000042 # CHECK: file_names[ 2]: # CHECK-NEXT: name: "File4b" # CHECK-NEXT: dir_index: 0 # CHECK-NEXT: mod_time: 0x00000043 # CHECK-NEXT: length: 0x00000044 # 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 0x1f # DW_FORM_line_strp (-> .debug_line_str) .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 .long lstr_LT_5a .byte 0 .quad 0x7766554433221100 .quad 0xffeeddccbbaa9988 .long lstr_LT_5b .byte 1 .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 # Mixing .debug_str (here) with .debug_line_str (in file_names) is not # something a producer would do, but both are legal and we want to test them. # CHECK: include_directories[ 0] = .debug_str[0x00000045] = "Directory5a" # CHECK: include_directories[ 1] = .debug_str[0x00000051] = "Directory5b" # CHECK-NOT: include_directories # CHECK: file_names[ 0]: # CHECK-NEXT: name: .debug_line_str[0x00000000] = "File5a" # CHECK-NEXT: dir_index: 0 # CHECK-NEXT: md5_checksum: 00112233445566778899aabbccddeeff # CHECK: file_names[ 1]: # CHECK-NEXT: name: .debug_line_str[0x00000007] = "File5b" # CHECK-NEXT: dir_index: 1 # CHECK-NEXT: md5_checksum: ffeeddccbbaa99887766554433221100 # CHECK-NOT: file_names .section .debug_line_str,"MS",@progbits,1 lstr_LT_5a: .asciz "File5a" lstr_LT_5b: .asciz "File5b" .section .debug_line.dwo,"e",@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 0 .byte 0x15 .byte 0x25 .asciz "DWOFile5b" .byte 1 .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[ 0] = .debug_str[0x0000003d] = "DWODirectory5a" # CHECK: include_directories[ 1] = .debug_str[0x0000004c] = "DWODirectory5b" # CHECK-NOT: include_directories # CHECK: file_names[ 0]: # CHECK-NEXT: name: "DWOFile5a" # CHECK-NEXT: dir_index: 0 # CHECK-NEXT: mod_time: 0x00000015 # CHECK-NEXT: length: 0x00000025 # CHECK: file_names[ 1]: # CHECK-NEXT: name: "DWOFile5b" # CHECK-NEXT: dir_index: 1 # CHECK-NEXT: mod_time: 0x00000035 # CHECK-NEXT: length: 0x00000045 # CHECK-NOT: file_names # VERIFY: Verifying .debug_types # VERIFY: No errors.