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llvm/test/ObjectYAML/MachO/DWARF-debug_info.yaml

Show First 20 Lines • Show All 304 Lines • ▼ Show 20 Lines - n_strx: 22
n_value: 4294971216 n_value: 4294971216
StringTable: StringTable:
- '' - ''
- '' - ''
- __mh_execute_header - __mh_execute_header
- _main - _main
DWARF: DWARF:
debug_abbrev: debug_abbrev:
- Table:
- Code: 0x00000001 - Code: 0x00000001
Tag: DW_TAG_compile_unit Tag: DW_TAG_compile_unit
Children: DW_CHILDREN_yes Children: DW_CHILDREN_yes
Attributes: Attributes:
- Attribute: DW_AT_producer - Attribute: DW_AT_producer
Form: DW_FORM_strp Form: DW_FORM_strp
- Attribute: DW_AT_language - Attribute: DW_AT_language
Form: DW_FORM_data2 Form: DW_FORM_data2
- Attribute: DW_AT_name - Attribute: DW_AT_name
Form: DW_FORM_strp Form: DW_FORM_strp
- Attribute: DW_AT_stmt_list - Attribute: DW_AT_stmt_list
Form: DW_FORM_sec_offset Form: DW_FORM_sec_offset
- Attribute: DW_AT_comp_dir - Attribute: DW_AT_comp_dir
Form: DW_FORM_strp Form: DW_FORM_strp
- Attribute: DW_AT_low_pc - Attribute: DW_AT_low_pc
Form: DW_FORM_addr Form: DW_FORM_addr
- Attribute: DW_AT_high_pc - Attribute: DW_AT_high_pc
Form: DW_FORM_data4 Form: DW_FORM_data4
- Code: 0x00000002 - Code: 0x00000002
Tag: DW_TAG_subprogram Tag: DW_TAG_subprogram
Children: DW_CHILDREN_yes Children: DW_CHILDREN_yes
Attributes: Attributes:
- Attribute: DW_AT_low_pc - Attribute: DW_AT_low_pc
Form: DW_FORM_addr Form: DW_FORM_addr
- Attribute: DW_AT_high_pc - Attribute: DW_AT_high_pc
Form: DW_FORM_data4 Form: DW_FORM_data4
- Attribute: DW_AT_frame_base - Attribute: DW_AT_frame_base
Form: DW_FORM_exprloc Form: DW_FORM_exprloc
- Attribute: DW_AT_name - Attribute: DW_AT_name
Form: DW_FORM_strp Form: DW_FORM_strp
- Attribute: DW_AT_decl_file - Attribute: DW_AT_decl_file
Form: DW_FORM_data1 Form: DW_FORM_data1
- Attribute: DW_AT_decl_line - Attribute: DW_AT_decl_line
Form: DW_FORM_data1 Form: DW_FORM_data1
- Attribute: DW_AT_prototyped - Attribute: DW_AT_prototyped
Form: DW_FORM_flag_present Form: DW_FORM_flag_present
- Attribute: DW_AT_type - Attribute: DW_AT_type
Form: DW_FORM_ref4 Form: DW_FORM_ref4
- Attribute: DW_AT_external - Attribute: DW_AT_external
Form: DW_FORM_flag_present Form: DW_FORM_flag_present
- Code: 0x00000003 - Code: 0x00000003
Tag: DW_TAG_formal_parameter Tag: DW_TAG_formal_parameter
Children: DW_CHILDREN_no Children: DW_CHILDREN_no
Attributes: Attributes:
- Attribute: DW_AT_location - Attribute: DW_AT_location
Form: DW_FORM_exprloc Form: DW_FORM_exprloc
- Attribute: DW_AT_name - Attribute: DW_AT_name
Form: DW_FORM_strp Form: DW_FORM_strp
- Attribute: DW_AT_decl_file - Attribute: DW_AT_decl_file
Form: DW_FORM_data1 Form: DW_FORM_data1
- Attribute: DW_AT_decl_line - Attribute: DW_AT_decl_line
Form: DW_FORM_data1 Form: DW_FORM_data1
- Attribute: DW_AT_type - Attribute: DW_AT_type
Form: DW_FORM_ref4 Form: DW_FORM_ref4
- Code: 0x00000004 - Code: 0x00000004
Tag: DW_TAG_base_type Tag: DW_TAG_base_type
Children: DW_CHILDREN_no Children: DW_CHILDREN_no
Attributes: Attributes:
- Attribute: DW_AT_name - Attribute: DW_AT_name
Form: DW_FORM_strp Form: DW_FORM_strp
- Attribute: DW_AT_encoding - Attribute: DW_AT_encoding
Form: DW_FORM_data1 Form: DW_FORM_data1
- Attribute: DW_AT_byte_size - Attribute: DW_AT_byte_size
Form: DW_FORM_data1 Form: DW_FORM_data1
- Code: 0x00000005 - Code: 0x00000005
Tag: DW_TAG_pointer_type Tag: DW_TAG_pointer_type
Children: DW_CHILDREN_no Children: DW_CHILDREN_no
Attributes: Attributes:
- Attribute: DW_AT_type - Attribute: DW_AT_type
Form: DW_FORM_ref4 Form: DW_FORM_ref4
debug_aranges: debug_aranges:
- Length: 44 - Length: 44
Version: 2 Version: 2
CuOffset: 0 CuOffset: 0
AddressSize: 8 AddressSize: 8
SegmentSelectorSize: 0 SegmentSelectorSize: 0
Descriptors: Descriptors:
- Address: 0x0000000100000F50 - Address: 0x0000000100000F50
▲ Show 20 Lines • Show All 115 Lines • ▼ Show 20 Lines - Length: 65
ExtLen: 1 ExtLen: 1
SubOpcode: DW_LNE_end_sequence SubOpcode: DW_LNE_end_sequence
Data: 11 Data: 11
... ...
... ...
# DWARF32: DWARF: # DWARF32: DWARF:
# DWARF32: debug_info: # DWARF32: debug_info:
# DWARF32-NEXT: - Length: 0x0000000000000075 # DWARF32-NEXT: - Length: 0x0000000000000075
# DWARF32-NEXT: Version: 4 # DWARF32-NEXT: Version: 4
# DWARF32-NEXT: AbbrevTableID: 0
# DWARF32-NEXT: AbbrOffset: 0 # DWARF32-NEXT: AbbrOffset: 0
# DWARF32-NEXT: AddrSize: 8 # DWARF32-NEXT: AddrSize: 8
# DWARF32-NEXT: Entries: # DWARF32-NEXT: Entries:
# DWARF32-NEXT: - AbbrCode: 0x00000001 # DWARF32-NEXT: - AbbrCode: 0x00000001
# DWARF32-NEXT: Values: # DWARF32-NEXT: Values:
# DWARF32-NEXT: - Value: 0x0000000000000001 # DWARF32-NEXT: - Value: 0x0000000000000001
# DWARF32-NEXT: - Value: 0x000000000000000C # DWARF32-NEXT: - Value: 0x000000000000000C
# DWARF32-NEXT: - Value: 0x0000000000000038 # DWARF32-NEXT: - Value: 0x0000000000000038
# DWARF32-NEXT: - Value: 0x0000000000000000 # DWARF32-NEXT: - Value: 0x0000000000000000
# DWARF32-NEXT: - Value: 0x0000000000000046 # DWARF32-NEXT: - Value: 0x0000000000000046
▲ Show 20 Lines • Show All 49 Lines • ▼ Show 20 Lines
## b) Test that yaml2obj emits a correct unit header and obj2yaml is able to convert it back. ## b) Test that yaml2obj emits a correct unit header and obj2yaml is able to convert it back.
## Test DWARF32 unit header. ## Test DWARF32 unit header.
# RUN: yaml2obj --docnum=2 -DFORMAT=DWARF32 %s | \ # RUN: yaml2obj --docnum=2 -DFORMAT=DWARF32 %s | \
# RUN: obj2yaml | FileCheck %s --check-prefix=DWARF32-YAML # RUN: obj2yaml | FileCheck %s --check-prefix=DWARF32-YAML
# DWARF32-YAML: debug_info: # DWARF32-YAML: debug_info:
# DWARF32-YAML-NEXT: - Length: 0x000000000000000C # DWARF32-YAML-NEXT: - Length: 0x000000000000000C
# DWARF32-YAML-NEXT: Version: 4 # DWARF32-YAML-NEXT: Version: 4
# DWARF32-YAML-NEXT: AbbrevTableID: 0
# DWARF32-YAML-NEXT: AbbrOffset: 0 # DWARF32-YAML-NEXT: AbbrOffset: 0
# DWARF32-YAML-NEXT: AddrSize: 8 # DWARF32-YAML-NEXT: AddrSize: 8
# DWARF32-YAML-NEXT: Entries: # DWARF32-YAML-NEXT: Entries:
# DWARF32-YAML-NEXT: - AbbrCode: 0x00000001 # DWARF32-YAML-NEXT: - AbbrCode: 0x00000001
# DWARF32-YAML-NEXT: Values: # DWARF32-YAML-NEXT: Values:
# DWARF32-YAML-NEXT: - Value: 0x0000000000001234 # DWARF32-YAML-NEXT: - Value: 0x0000000000001234
--- !mach-o --- !mach-o
FileHeader: FileHeader:
magic: 0xFEEDFACF magic: 0xFEEDFACF
Show All 37 Lines Sections:
align: 0 align: 0
reloff: 0x00000000 reloff: 0x00000000
nreloc: 0 nreloc: 0
flags: 0x00000000 flags: 0x00000000
reserved1: 0x00000000 reserved1: 0x00000000
reserved2: 0x00000000 reserved2: 0x00000000
reserved3: 0x00000000 reserved3: 0x00000000
DWARF: DWARF:
debug_abbrev: debug_abbrev:
- Table:
- Code: 1 - Code: 1
Tag: DW_TAG_compile_unit Tag: DW_TAG_compile_unit
Children: DW_CHILDREN_no Children: DW_CHILDREN_no
Attributes: Attributes:
- Attribute: DW_AT_low_pc - Attribute: DW_AT_low_pc
Form: DW_FORM_addr Form: DW_FORM_addr
debug_info: debug_info:
- Format: [[FORMAT]] - Format: [[FORMAT]]
Length: 12 Length: 12
Version: 4 Version: 4
AbbrOffset: 0 AbbrOffset: 0
AddrSize: 8 AddrSize: 8
Entries: Entries:
- AbbrCode: 1 - AbbrCode: 1
Values: Values:
- Value: 0x1234 - Value: 0x1234
## Test DWARF64 unit header. ## Test DWARF64 unit header.
# RUN: yaml2obj --docnum=2 -DFORMAT=DWARF64 %s | \ # RUN: yaml2obj --docnum=2 -DFORMAT=DWARF64 %s | \
# RUN: obj2yaml | FileCheck %s --check-prefix=DWARF64-YAML # RUN: obj2yaml | FileCheck %s --check-prefix=DWARF64-YAML
# DWARF64-YAML: debug_info: # DWARF64-YAML: debug_info:
# DWARF64-YAML-NEXT: - Format: DWARF64 # DWARF64-YAML-NEXT: - Format: DWARF64
# DWARF64-YAML-NEXT: Length: 0x000000000000000C # DWARF64-YAML-NEXT: Length: 0x000000000000000C
# DWARF64-YAML-NEXT: Version: 4 # DWARF64-YAML-NEXT: Version: 4
# DWARF64-YAML-NEXT: AbbrevTableID: 0
# DWARF64-YAML-NEXT: AbbrOffset: 0 # DWARF64-YAML-NEXT: AbbrOffset: 0
# DWARF64-YAML-NEXT: AddrSize: 8 # DWARF64-YAML-NEXT: AddrSize: 8
# DWARF64-YAML-NEXT: Entries: # DWARF64-YAML-NEXT: Entries:
# DWARF64-YAML-NEXT: - AbbrCode: 0x00000001 # DWARF64-YAML-NEXT: - AbbrCode: 0x00000001
# DWARF64-YAML-NEXT: Values: # DWARF64-YAML-NEXT: Values:
# DWARF64-YAML-NEXT: - Value: 0x0000000000001234 # DWARF64-YAML-NEXT: - Value: 0x0000000000001234
## c) Test that yaml2obj is able to generate compilation units according to the
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Added test.

Higuoxing: Added test.
## associated abbrev table that is referenced by the 'AbbrevTableID' and obj2yaml
## is able to convert it back.
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Is there any particular reason you don't have something equivalent to this in the ELF testing, to show you can have tables out-of-order etc.

jhenderson: Is there any particular reason you don't have something equivalent to this in the ELF testing…
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Added in test/tools/yaml2obj/ELF/DWARF/debug-info.yaml (o)

Higuoxing: Added in test/tools/yaml2obj/ELF/DWARF/debug-info.yaml (o)
# RUN: yaml2obj --docnum=3 %s | obj2yaml | FileCheck %s --check-prefix=MULTI-TABLES
# MULTI-TABLES: DWARF:
# MULTI-TABLES-NEXT: debug_abbrev:
# MULTI-TABLES-NEXT: - ID: 0
# MULTI-TABLES-NEXT: Table:
# MULTI-TABLES-NEXT: - Code: 0x0000000000000001
# MULTI-TABLES-NEXT: Tag: DW_TAG_compile_unit
# MULTI-TABLES-NEXT: Children: DW_CHILDREN_no
# MULTI-TABLES-NEXT: Attributes:
# MULTI-TABLES-NEXT: - Attribute: DW_AT_low_pc
# MULTI-TABLES-NEXT: Form: DW_FORM_addr
# MULTI-TABLES-NEXT: - ID: 1
# MULTI-TABLES-NEXT: Table:
# MULTI-TABLES-NEXT: - Code: 0x0000000000000001
# MULTI-TABLES-NEXT: Tag: DW_TAG_compile_unit
# MULTI-TABLES-NEXT: Children: DW_CHILDREN_no
# MULTI-TABLES-NEXT: Attributes:
# MULTI-TABLES-NEXT: - Attribute: DW_AT_low_pc
# MULTI-TABLES-NEXT: Form: DW_FORM_data4
# MULTI-TABLES-NEXT: - ID: 2
# MULTI-TABLES-NEXT: Table:
# MULTI-TABLES-NEXT: - Code: 0x0000000000000001
# MULTI-TABLES-NEXT: Tag: DW_TAG_compile_unit
# MULTI-TABLES-NEXT: Children: DW_CHILDREN_no
# MULTI-TABLES-NEXT: Attributes:
# MULTI-TABLES-NEXT: - Attribute: DW_AT_low_pc
# MULTI-TABLES-NEXT: Form: DW_FORM_udata
# MULTI-TABLES-NEXT: debug_info:
jhendersonUnsubmitted
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Something's not right here - the YAML below has four debug_info tables, but only three have check lines. What happened to the one that should be referencing abbrev table 2?

jhenderson: Something's not right here - the YAML below has four debug_info tables, but only three have…
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Sorry, the length and offsets are calculated by myself, and the __debug_info section's length is miscalculated to be 60, which should be 67. I've corrected it.

Higuoxing: Sorry, the length and offsets are calculated by myself, and the __debug_info section's length…
# MULTI-TABLES-NEXT: - Length: 0x000000000000000C
# MULTI-TABLES-NEXT: Version: 4
# MULTI-TABLES-NEXT: AbbrevTableID: 1
# MULTI-TABLES-NEXT: AbbrOffset: 0x0000000000000008
# MULTI-TABLES-NEXT: AddrSize: 8
# MULTI-TABLES-NEXT: Entries:
# MULTI-TABLES-NEXT: - AbbrCode: 0x00000001
# MULTI-TABLES-NEXT: Values:
# MULTI-TABLES-NEXT: - Value: 0x0000000000001234
# MULTI-TABLES-NEXT: - Length: 0x000000000000000C
# MULTI-TABLES-NEXT: Version: 4
# MULTI-TABLES-NEXT: AbbrevTableID: 1
# MULTI-TABLES-NEXT: AbbrOffset: 0x0000000000000008
# MULTI-TABLES-NEXT: AddrSize: 8
# MULTI-TABLES-NEXT: Entries:
# MULTI-TABLES-NEXT: - AbbrCode: 0x00000001
# MULTI-TABLES-NEXT: Values:
# MULTI-TABLES-NEXT: - Value: 0x0000000000004321
# MULTI-TABLES-NEXT: - Length: 0x0000000000000010
# MULTI-TABLES-NEXT: Version: 4
# MULTI-TABLES-NEXT: AbbrevTableID: 0
# MULTI-TABLES-NEXT: AbbrOffset: 0x0000000000000000
# MULTI-TABLES-NEXT: AddrSize: 8
# MULTI-TABLES-NEXT: Entries:
# MULTI-TABLES-NEXT: - AbbrCode: 0x00000001
# MULTI-TABLES-NEXT: Values:
# MULTI-TABLES-NEXT: - Value: 0x0000000000005678
# MULTI-TABLES-NEXT: ...
--- !mach-o
FileHeader:
magic: 0xFEEDFACF
cputype: 0x01000007
cpusubtype: 0x00000003
filetype: 0x0000000A
ncmds: 1
sizeofcmds: 232
flags: 0x00000000
reserved: 0x00000000
LoadCommands:
- cmd: LC_SEGMENT_64
cmdsize: 232
segname: __DWARF
vmaddr: 0x00
vmsize: 0x00
fileoff: 0x00
filesize: 0x00
maxprot: 0
initprot: 0
nsects: 2
flags: 0
Sections:
- sectname: __debug_abbrev
segname: __DWARF
addr: 0x00
size: 24
offset: 528
align: 0
reloff: 0x00000000
nreloc: 0
flags: 0x00000000
reserved1: 0x00000000
reserved2: 0x00000000
reserved3: 0x00000000
- sectname: __debug_info
segname: __DWARF
addr: 0x00
size: 64
offset: 1070
align: 0
reloff: 0x00000000
nreloc: 0
flags: 0x00000000
reserved1: 0x00000000
reserved2: 0x00000000
reserved3: 0x00000000
DWARF:
debug_abbrev:
- Table:
- Code: 1
Tag: DW_TAG_compile_unit
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Added test.

Higuoxing: Added test.
Children: DW_CHILDREN_no
Attributes:
- Attribute: DW_AT_low_pc
Form: DW_FORM_addr
- ID: 2
Table:
- Code: 1
Tag: DW_TAG_compile_unit
Children: DW_CHILDREN_no
Attributes:
- Attribute: DW_AT_low_pc
Form: DW_FORM_data4
- ID: 1
Table:
- Code: 1
Tag: DW_TAG_compile_unit
Children: DW_CHILDREN_no
Attributes:
- Attribute: DW_AT_low_pc
Form: DW_FORM_udata
debug_info:
- Version: 4
AbbrevTableID: 2
AbbrOffset: 8
Entries:
- AbbrCode: 1
Values:
- Value: 0x1234
- Version: 4
AbbrevTableID: 2
AbbrOffset: 8
Entries:
- AbbrCode: 1
Values:
- Value: 0x4321
- Version: 4
AbbrevTableID: 0
AbbrOffset: 0
Entries:
- AbbrCode: 1
Values:
- Value: 0x5678
- Version: 4
AbbrevTableID: 1
AbbrOffset: 16
Entries:
- AbbrCode: 1
Values:
- Value: 0x8765
## d) Test that yaml2obj emits an error message when a compilation unit doesn't have
## an associated abbrev table.
# RUN: not yaml2obj --docnum=4 %s 2>&1 | FileCheck %s --check-prefix=MISSING-ABBREV
# MISSING-ABBREV: yaml2obj: error: cannot find abbrev table whose ID is 0
--- !mach-o
FileHeader:
magic: 0xFEEDFACF
cputype: 0x01000007
cpusubtype: 0x00000003
filetype: 0x0000000A
ncmds: 1
sizeofcmds: 232
flags: 0x00000000
reserved: 0x00000000
LoadCommands:
- cmd: LC_SEGMENT_64
cmdsize: 232
segname: __DWARF
vmaddr: 0x00
vmsize: 0x00
fileoff: 0x00
filesize: 0x00
maxprot: 0
initprot: 0
nsects: 2
flags: 0
Sections:
- sectname: __debug_abbrev
segname: __DWARF
addr: 0x00
size: 24
offset: 528
align: 0
reloff: 0x00000000
nreloc: 0
flags: 0x00000000
reserved1: 0x00000000
reserved2: 0x00000000
reserved3: 0x00000000
jhendersonUnsubmitted
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Can you omit the abbrev section entirely?

jhenderson: Can you omit the abbrev section entirely?
- sectname: __debug_info
segname: __DWARF
addr: 0x00
size: 64
offset: 1070
align: 0
reloff: 0x00000000
nreloc: 0
flags: 0x00000000
reserved1: 0x00000000
reserved2: 0x00000000
reserved3: 0x00000000
DWARF:
debug_info:
- Version: 4
AbbrOffset: 0x00
Entries:
- AbbrCode: 1
Values:
- Value: 0x1234
## e) Test that yaml2obj emits an error message when multiple abbrev tables are assigned
## the same ID.
# RUN: not yaml2obj --docnum=5 %s 2>&1 | FileCheck %s --check-prefix=ID-COLLISION
# ID-COLLISION: yaml2obj: error: the ID (1) of abbrev table with index 1 has been used
jhendersonUnsubmitted
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This feels like it belongs in a debug_abbrev dedicated test?

jhenderson: This feels like it belongs in a debug_abbrev dedicated test?
--- !mach-o
FileHeader:
magic: 0xFEEDFACF
cputype: 0x01000007
cpusubtype: 0x00000003
filetype: 0x0000000A
ncmds: 1
sizeofcmds: 232
flags: 0x00000000
reserved: 0x00000000
LoadCommands:
- cmd: LC_SEGMENT_64
cmdsize: 232
segname: __DWARF
vmaddr: 0x00
vmsize: 0x00
fileoff: 0x00
filesize: 0x00
maxprot: 0
initprot: 0
nsects: 2
flags: 0
Sections:
- sectname: __debug_abbrev
segname: __DWARF
addr: 0x00
size: 24
offset: 528
align: 0
reloff: 0x00000000
nreloc: 0
flags: 0x00000000
reserved1: 0x00000000
reserved2: 0x00000000
reserved3: 0x00000000
- sectname: __debug_info
segname: __DWARF
addr: 0x00
size: 64
offset: 1070
align: 0
reloff: 0x00000000
nreloc: 0
flags: 0x00000000
reserved1: 0x00000000
reserved2: 0x00000000
reserved3: 0x00000000
DWARF:
debug_abbrev:
- ID: 1
- ID: 1