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

## 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:            0x7A
# YAML-NEXT:   size:            80
# YAML-NEXT:   offset:          0x28A

# YAML:      debug_ranges:
# YAML-NEXT:   - Offset:          0x0
# YAML-NEXT:     AddrSize:        0x8
# YAML-NEXT:     Entries:
# YAML-NEXT:       - LowOffset:       0x0
# YAML-NEXT:         HighOffset:      0x20
# YAML-NEXT:       - LowOffset:       0x0
# YAML-NEXT:         HighOffset:      0x30
# YAML-NEXT:       - LowOffset:       0xFFFFFFFFFFFFFFFF
# YAML-NEXT:         HighOffset:      0x1000
# YAML-NEXT:       - LowOffset:       0x0
# YAML-NEXT:         HighOffset:      0x1000

--- !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:      0x0
# FAILS-NEXT:     size:      3
# FAILS-NEXT:     offset:    0x210
# FAILS-NEXT:     align:     0
# FAILS-NEXT:     reloff:    0x0
# FAILS-NEXT:     nreloc:    0
# FAILS-NEXT:     flags:     0x0
# FAILS-NEXT:     reserved1: 0x0
# FAILS-NEXT:     reserved2: 0x0
# FAILS-NEXT:     reserved3: 0x0
# FAILS-NEXT:     content:   '010203'
# FAILS-NEXT: ...