DWARF-debug_ranges.yaml
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## Test that yaml2obj and obj2yaml can create mach-o files with valid
## __debug_ranges section.
##
## The DWARF should end up looking like:
##
## 0x0000000b: DW_TAG_compile_unit
## DW_AT_name ("/tmp/main.c")
## DW_AT_language (DW_LANG_C_plus_plus)
## DW_AT_low_pc (0x0000000000000000)
## DW_AT_ranges (0x00000000
## [0x0000000000000000, 0x0000000000000020)
## [0x0000000000000000, 0x0000000000000030)
## [0x0000000000001000, 0x0000000000002000))
## DW_AT_stmt_list (0x00000000)
##
## 0x00000022: DW_TAG_subprogram
## DW_AT_name ("stripped1")
## DW_AT_low_pc (0x0000000000000000)
## DW_AT_high_pc (0x0000000000000020)
##
## 0x00000033: DW_TAG_subprogram
## DW_AT_name ("stripped2")
## DW_AT_low_pc (0x0000000000000000)
## DW_AT_high_pc (0x0000000000000030)
##
## 0x00000048: DW_TAG_subprogram
## DW_AT_name ("main")
## DW_AT_low_pc (0x0000000000001000)
## DW_AT_high_pc (0x0000000000002000)
##
## 0x00000059: NULL
# RUN: yaml2obj %s > %t
# RUN: llvm-dwarfdump %t | FileCheck %s
# RUN: obj2yaml %t | FileCheck --check-prefix=YAML %s
# CHECK: DW_AT_ranges (0x00000000
# CHECK-NEXT: [0x0000000000000000, 0x0000000000000020)
# CHECK-NEXT: [0x0000000000000000, 0x0000000000000030)
# CHECK-NEXT: [0x0000000000001000, 0x0000000000002000))
# YAML: - sectname: __debug_ranges
# YAML-NEXT: segname: __DWARF
# YAML-NEXT: addr: 0x000000000000007A
# YAML-NEXT: size: 80
# YAML-NEXT: offset: 0x0000028A
# YAML: debug_ranges:
# YAML-NEXT: - Offset: 0x00000000
# YAML-NEXT: AddrSize: 0x08
# YAML-NEXT: Entries:
# YAML-NEXT: - LowOffset: 0x0000000000000000
# YAML-NEXT: HighOffset: 0x0000000000000020
# YAML-NEXT: - LowOffset: 0x0000000000000000
# YAML-NEXT: HighOffset: 0x0000000000000030
# YAML-NEXT: - LowOffset: 0xFFFFFFFFFFFFFFFF
# YAML-NEXT: HighOffset: 0x0000000000001000
# YAML-NEXT: - LowOffset: 0x0000000000000000
# YAML-NEXT: HighOffset: 0x0000000000001000
--- !mach-o
FileHeader:
magic: 0xFEEDFACF
cputype: 0x01000007
cpusubtype: 0x00000003
filetype: 0x00000001
ncmds: 4
sizeofcmds: 464
flags: 0x00002000
reserved: 0x00000000
LoadCommands:
- cmd: LC_SEGMENT_64
cmdsize: 392
segname: ''
vmaddr: 0
vmsize: 240
fileoff: 528
filesize: 240
maxprot: 7
initprot: 7
nsects: 4
flags: 0
Sections:
- sectname: __debug_abbrev
segname: __DWARF
addr: 0x0000000000000000
size: 36
offset: 0x00000210
align: 0
reloff: 0x00000000
nreloc: 0
flags: 0x00000000
reserved1: 0x00000000
reserved2: 0x00000000
reserved3: 0x00000000
- sectname: __debug_info
segname: __DWARF
addr: 0x0000000000000024
size: 86
offset: 0x00000234
align: 0
reloff: 0x00000000
nreloc: 0
flags: 0x00000000
reserved1: 0x00000000
reserved2: 0x00000000
reserved3: 0x00000000
- sectname: __debug_ranges
segname: __DWARF
addr: 0x000000000000007A
size: 80
offset: 0x0000028A
align: 0
reloff: 0x00000000
nreloc: 0
flags: 0x00000000
reserved1: 0x00000000
reserved2: 0x00000000
reserved3: 0x00000000
- sectname: __debug_str
segname: __DWARF
addr: 0x00000000000000CA
size: 38
offset: 0x000002DA
align: 0
reloff: 0x00000000
nreloc: 0
flags: 0x00000000
reserved1: 0x00000000
reserved2: 0x00000000
reserved3: 0x00000000
- cmd: LC_SYMTAB
cmdsize: 24
symoff: 0
nsyms: 0
stroff: 768
strsize: 8
- cmd: LC_BUILD_VERSION
cmdsize: 32
platform: 1
minos: 658944
sdk: 658944
ntools: 1
Tools:
- tool: 3
version: 34734080
- cmd: LC_DATA_IN_CODE
cmdsize: 16
dataoff: 768
datasize: 0
LinkEditData:
StringTable:
- ' '
- ''
- ''
- ''
- ''
- ''
- ''
DWARF:
debug_str:
- ''
- '/tmp/main.c'
- stripped1
- stripped2
- main
debug_abbrev:
- Table:
- Code: 0x00000001
Tag: DW_TAG_compile_unit
Children: DW_CHILDREN_yes
Attributes:
- Attribute: DW_AT_name
Form: DW_FORM_strp
- Attribute: DW_AT_language
Form: DW_FORM_data2
- Attribute: DW_AT_low_pc
Form: DW_FORM_addr
- Attribute: DW_AT_ranges
Form: DW_FORM_sec_offset
- Code: 0x00000002
Tag: DW_TAG_subprogram
Children: DW_CHILDREN_no
Attributes:
- Attribute: DW_AT_name
Form: DW_FORM_strp
- Attribute: DW_AT_low_pc
Form: DW_FORM_addr
- Attribute: DW_AT_high_pc
Form: DW_FORM_data4
- Code: 0x00000003
Tag: DW_TAG_subprogram
Children: DW_CHILDREN_no
Attributes:
- Attribute: DW_AT_name
Form: DW_FORM_strp
- Attribute: DW_AT_low_pc
Form: DW_FORM_addr
- Attribute: DW_AT_high_pc
Form: DW_FORM_addr
debug_ranges:
- Offset: 0x00000000
Entries:
- LowOffset: 0x0000000000000000
HighOffset: 0x0000000000000020
- LowOffset: 0x0000000000000000
HighOffset: 0x0000000000000030
- LowOffset: 0xFFFFFFFFFFFFFFFF
HighOffset: 0x0000000000001000
- LowOffset: 0x0000000000000000
HighOffset: 0x0000000000001000
debug_info:
- Length: 82
Version: 4
AbbrOffset: 0
AddrSize: 8
Entries:
- AbbrCode: 0x00000001
Values:
- Value: 0x0000000000000001
- Value: 0x0000000000000004
- Value: 0x0000000000000000
- Value: 0x0000000000000000
- AbbrCode: 0x00000002
Values:
- Value: 0x000000000000000D
- Value: 0x0000000000000000
- Value: 0x0000000000000020
- AbbrCode: 0x00000003
Values:
- Value: 0x0000000000000017
- Value: 0x0000000000000000
- Value: 0x0000000000000030
- AbbrCode: 0x00000002
Values:
- Value: 0x0000000000000021
- Value: 0x0000000000001000
- Value: 0x0000000000001000
- AbbrCode: 0x00000000
Values: []
...
## Test generating and dumping an empty __debug_ranges section.
# RUN: yaml2obj --docnum=2 %s | obj2yaml | FileCheck %s --check-prefix=EMPTY
# EMPTY: DWARF:
# EMPTY-NEXT: debug_ranges: []
# EMPTY-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: 152
segname: __DWARF
vmaddr: 0x00
vmsize: 0x00
fileoff: 0x00
filesize: 0x00
maxprot: 0
initprot: 0
nsects: 1
flags: 0
Sections:
- sectname: __debug_ranges
segname: __DWARF
addr: 0x00
size: [[SIZE=0]]
offset: 0x210
align: 0
reloff: 0x00000000
nreloc: 0
flags: 0x00000000
reserved1: 0x00000000
reserved2: 0x00000000
reserved3: 0x00000000
content: [[CONTENT=<none>]]
## Test generating and dumping a __debug_ranges section whose size isn't a
## multiple of the address size. This test case is to ensure that when the
## parser fails, the content of the __debug_ranges section will be dumped into
## the 'content' entry and the 'debug_ranges' entry will not exist.
# RUN: yaml2obj --docnum=2 -DSIZE=3 -DCONTENT='010203' %s | obj2yaml | FileCheck %s --check-prefix=FAILS
# FAILS-NOT: DWARF:
# FAILS: Sections:
# FAILS-NEXT: - sectname: __debug_ranges
# FAILS-NEXT: segname: __DWARF
# FAILS-NEXT: addr: 0x0000000000000000
# FAILS-NEXT: size: 3
# FAILS-NEXT: offset: 0x00000210
# FAILS-NEXT: align: 0
# FAILS-NEXT: reloff: 0x00000000
# FAILS-NEXT: nreloc: 0
# FAILS-NEXT: flags: 0x00000000
# FAILS-NEXT: reserved1: 0x00000000
# FAILS-NEXT: reserved2: 0x00000000
# FAILS-NEXT: reserved3: 0x00000000
# FAILS-NEXT: content: '010203'
# FAILS-NEXT: ...