llvm/test/tools/llvm-objcopy/MachO/only-section.test

## Show that if --only-section is given, llvm-objcopy removes all sections
## except ones specified in the option.

# RUN: yaml2obj %s -o %t

## Specify all sections. The output file should be the same as the input.
# RUN: llvm-objcopy -j __TEXT,__text -j __DATA,__data -j __TEXT,__const %t %t2
# RUN: cmp %t %t2

## Specify one section. The output file should contain only that section.
# RUN: llvm-objcopy --only-section __TEXT,__text %t %t3
# RUN: llvm-readobj --sections --section-data --macho-segment %t3 \
# RUN:   | FileCheck %s --check-prefix=ONLY-TEXT-SECTION

# ONLY-TEXT-SECTION:      Sections [
# ONLY-TEXT-SECTION-NEXT:   Section {
# ONLY-TEXT-SECTION-NEXT:     Index: 0
# ONLY-TEXT-SECTION-NEXT:     Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00)
# ONLY-TEXT-SECTION-NEXT:     Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
# ONLY-TEXT-SECTION-NEXT:     Address: 0x0
# ONLY-TEXT-SECTION-NEXT:     Size: 0x4
# ONLY-TEXT-SECTION-NEXT:     Offset: 184
# ONLY-TEXT-SECTION-NEXT:     Alignment: 0
# ONLY-TEXT-SECTION-NEXT:     RelocationOffset: 0x0
# ONLY-TEXT-SECTION-NEXT:     RelocationCount: 0
# ONLY-TEXT-SECTION-NEXT:     Type: Regular (0x0)
# ONLY-TEXT-SECTION-NEXT:     Attributes [ (0x800004)
# ONLY-TEXT-SECTION-NEXT:       PureInstructions (0x800000)
# ONLY-TEXT-SECTION-NEXT:       SomeInstructions (0x4)
# ONLY-TEXT-SECTION-NEXT:     ]
# ONLY-TEXT-SECTION-NEXT:     Reserved1: 0x0
# ONLY-TEXT-SECTION-NEXT:     Reserved2: 0x0
# ONLY-TEXT-SECTION-NEXT:     Reserved3: 0x0
# ONLY-TEXT-SECTION-NEXT:     SectionData (
# ONLY-TEXT-SECTION-NEXT:       0000: AABBCCDD                             |....|
# ONLY-TEXT-SECTION-NEXT:     )
# ONLY-TEXT-SECTION-NEXT:   }
# ONLY-TEXT-SECTION-NEXT: ]
# ONLY-TEXT-SECTION-NEXT: Segment {
# ONLY-TEXT-SECTION-NEXT:   Cmd: LC_SEGMENT_64
# ONLY-TEXT-SECTION-NEXT:   Name:
# ONLY-TEXT-SECTION-NEXT:   Size: 152
# ONLY-TEXT-SECTION-NEXT:   vmaddr: 0x0
# ONLY-TEXT-SECTION-NEXT:   vmsize: 0x4
# ONLY-TEXT-SECTION-NEXT:   fileoff: 184
# ONLY-TEXT-SECTION-NEXT:   filesize: 4
# ONLY-TEXT-SECTION-NEXT:   maxprot: rwx
# ONLY-TEXT-SECTION-NEXT:   initprot: rwx
# ONLY-TEXT-SECTION-NEXT:   nsects: 1
# ONLY-TEXT-SECTION-NEXT:   flags: 0x0
# ONLY-TEXT-SECTION-NEXT: }

## Remove all sections if the specified section name is not present in the input.
# RUN: llvm-objcopy --only-section __TEXT,__nonexistent %t %t4 2>&1
# RUN: llvm-readobj --sections --section-data --macho-segment %t4 \
# RUN:   | FileCheck %s --check-prefix=NONEXISTENT-SECTION

# NONEXISTENT-SECTION:      Sections [
# NONEXISTENT-SECTION-NEXT: ]
# NONEXISTENT-SECTION-NEXT: Segment {
# NONEXISTENT-SECTION-NEXT:   Cmd: LC_SEGMENT_64
# NONEXISTENT-SECTION-NEXT:   Name:
# NONEXISTENT-SECTION-NEXT:   Size: 72
# NONEXISTENT-SECTION-NEXT:   vmaddr: 0x0
# NONEXISTENT-SECTION-NEXT:   vmsize: 0x0
# NONEXISTENT-SECTION-NEXT:   fileoff: 104
# NONEXISTENT-SECTION-NEXT:   filesize: 0
# NONEXISTENT-SECTION-NEXT:   maxprot: rwx
# NONEXISTENT-SECTION-NEXT:   initprot: rwx
# NONEXISTENT-SECTION-NEXT:   nsects: 0
# NONEXISTENT-SECTION-NEXT:   flags: 0x0
# NONEXISTENT-SECTION-NEXT: }

## Use wildcard to specify all sections under the __TEXT segment.
# RUN: llvm-objcopy --only-section "__TEXT,*" %t %t5 2>&1
# RUN: llvm-readobj --file-header --sections %t5 \
# RUN:   | FileCheck %s --check-prefix=WILDCARD

## Make sure that it doesn't care about the segment/section name separator ",".
# RUN: llvm-objcopy --only-section "__TEXT*" %t %t6 2>&1
# RUN: cmp %t5 %t6

# WILDCARD:      NumOfLoadCommands: 1
# WILDCARD:      Sections [
# WILDCARD:        Index: 0
# WILDCARD-NEXT:   Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00)
# WILDCARD:        Index: 1
# WILDCARD-NEXT:   Name: __const (5F 5F 63 6F 6E 73 74 00 00 00 00 00 00 00 00 00)
# WILDCARD-NOT:    Index: 2
# WILDCARD:      ]

--- !mach-o
FileHeader:
  magic:           0xFEEDFACF
  cputype:         0x01000007
  cpusubtype:      0x00000003
  filetype:        0x00000001
  ncmds:           1
  sizeofcmds:      312
  flags:           0x00002000
  reserved:        0x00000000
LoadCommands:
  - cmd:             LC_SEGMENT_64
    cmdsize:         312
    segname:         ''
    vmaddr:          0
    vmsize:          12
    fileoff:         344
    filesize:        12
    maxprot:         7
    initprot:        7
    nsects:          3
    flags:           0
    Sections:
      - sectname:        __text
        segname:         __TEXT
        addr:            0x0000000000000000
        content:         'AABBCCDD'
        size:            4
        offset:          344
        align:           0
        reloff:          0x00000000
        nreloc:          0
        flags:           0x80000400
        reserved1:       0x00000000
        reserved2:       0x00000000
        reserved3:       0x00000000
      - sectname:        __data
        segname:         __DATA
        addr:            0x0000000000000004
        content:         'DDAADDAA'
        size:            4
        offset:          348
        align:           0
        reloff:          0x00000000
        nreloc:          0
        flags:           0x00000000
        reserved1:       0x00000000
        reserved2:       0x00000000
        reserved3:       0x00000000
      - sectname:        __const
        segname:         __TEXT
        addr:            0x0000000000000008
        content:         'EEFFEEFF'
        size:            4
        offset:          352
        align:           0
        reloff:          0x00000000
        nreloc:          0
        flags:           0x00000000
        reserved1:       0x00000000
        reserved2:       0x00000000
        reserved3:       0x00000000