| # 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" |
| |
| # 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 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_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 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 "File5a" |
| .byte 1 |
| .byte 0x51 |
| .byte 0x52 |
| .asciz "File5b" |
| .byte 2 |
| .byte 0x53 |
| .byte 0x54 |
| 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: file_names[ 1] 1 0x00000051 0x00000052 File5a{{$}} |
| # CHECK: file_names[ 2] 2 0x00000053 0x00000054 File5b{{$}} |
| # CHECK-NOT: file_names |
