diff options
Diffstat (limited to 'test/DebugInfo/X86/dwarfdump-header.s')
-rw-r--r-- | test/DebugInfo/X86/dwarfdump-header.s | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/test/DebugInfo/X86/dwarfdump-header.s b/test/DebugInfo/X86/dwarfdump-header.s new file mode 100644 index 000000000000..d3d4e5a6827d --- /dev/null +++ b/test/DebugInfo/X86/dwarfdump-header.s @@ -0,0 +1,301 @@ +# 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 |