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154 lines
5.6 KiB
154 lines
5.6 KiB
4 months ago
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## Show that if --only-section is given, llvm-objcopy removes all sections
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## except ones specified in the option.
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# RUN: yaml2obj %s -o %t
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## Specify all sections. The output file should be the same as the input.
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# RUN: llvm-objcopy -j __TEXT,__text -j __DATA,__data -j __TEXT,__const %t %t2
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# RUN: cmp %t %t2
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## Specify one section. The output file should contain only that section.
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# RUN: llvm-objcopy --only-section __TEXT,__text %t %t3
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# RUN: llvm-readobj --sections --section-data --macho-segment %t3 \
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# RUN: | FileCheck %s --check-prefix=ONLY-TEXT-SECTION
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# ONLY-TEXT-SECTION: Sections [
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# ONLY-TEXT-SECTION-NEXT: Section {
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# ONLY-TEXT-SECTION-NEXT: Index: 0
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# ONLY-TEXT-SECTION-NEXT: Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00)
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# ONLY-TEXT-SECTION-NEXT: Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
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# ONLY-TEXT-SECTION-NEXT: Address: 0x0
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# ONLY-TEXT-SECTION-NEXT: Size: 0x4
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# ONLY-TEXT-SECTION-NEXT: Offset: 184
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# ONLY-TEXT-SECTION-NEXT: Alignment: 0
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# ONLY-TEXT-SECTION-NEXT: RelocationOffset: 0x0
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# ONLY-TEXT-SECTION-NEXT: RelocationCount: 0
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# ONLY-TEXT-SECTION-NEXT: Type: Regular (0x0)
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# ONLY-TEXT-SECTION-NEXT: Attributes [ (0x800004)
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# ONLY-TEXT-SECTION-NEXT: PureInstructions (0x800000)
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# ONLY-TEXT-SECTION-NEXT: SomeInstructions (0x4)
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# ONLY-TEXT-SECTION-NEXT: ]
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# ONLY-TEXT-SECTION-NEXT: Reserved1: 0x0
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# ONLY-TEXT-SECTION-NEXT: Reserved2: 0x0
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# ONLY-TEXT-SECTION-NEXT: Reserved3: 0x0
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# ONLY-TEXT-SECTION-NEXT: SectionData (
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# ONLY-TEXT-SECTION-NEXT: 0000: AABBCCDD |....|
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# ONLY-TEXT-SECTION-NEXT: )
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# ONLY-TEXT-SECTION-NEXT: }
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# ONLY-TEXT-SECTION-NEXT: ]
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# ONLY-TEXT-SECTION-NEXT: Segment {
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# ONLY-TEXT-SECTION-NEXT: Cmd: LC_SEGMENT_64
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# ONLY-TEXT-SECTION-NEXT: Name:
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# ONLY-TEXT-SECTION-NEXT: Size: 152
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# ONLY-TEXT-SECTION-NEXT: vmaddr: 0x0
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# ONLY-TEXT-SECTION-NEXT: vmsize: 0x4
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# ONLY-TEXT-SECTION-NEXT: fileoff: 184
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# ONLY-TEXT-SECTION-NEXT: filesize: 4
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# ONLY-TEXT-SECTION-NEXT: maxprot: rwx
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# ONLY-TEXT-SECTION-NEXT: initprot: rwx
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# ONLY-TEXT-SECTION-NEXT: nsects: 1
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# ONLY-TEXT-SECTION-NEXT: flags: 0x0
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# ONLY-TEXT-SECTION-NEXT: }
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## Remove all sections if the specified section name is not present in the input.
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# RUN: llvm-objcopy --only-section __TEXT,__nonexistent %t %t4 2>&1
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# RUN: llvm-readobj --sections --section-data --macho-segment %t4 \
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# RUN: | FileCheck %s --check-prefix=NONEXISTENT-SECTION
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# NONEXISTENT-SECTION: Sections [
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# NONEXISTENT-SECTION-NEXT: ]
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# NONEXISTENT-SECTION-NEXT: Segment {
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# NONEXISTENT-SECTION-NEXT: Cmd: LC_SEGMENT_64
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# NONEXISTENT-SECTION-NEXT: Name:
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# NONEXISTENT-SECTION-NEXT: Size: 72
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# NONEXISTENT-SECTION-NEXT: vmaddr: 0x0
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# NONEXISTENT-SECTION-NEXT: vmsize: 0x0
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# NONEXISTENT-SECTION-NEXT: fileoff: 104
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# NONEXISTENT-SECTION-NEXT: filesize: 0
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# NONEXISTENT-SECTION-NEXT: maxprot: rwx
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# NONEXISTENT-SECTION-NEXT: initprot: rwx
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# NONEXISTENT-SECTION-NEXT: nsects: 0
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# NONEXISTENT-SECTION-NEXT: flags: 0x0
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# NONEXISTENT-SECTION-NEXT: }
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## Use wildcard to specify all sections under the __TEXT segment.
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# RUN: llvm-objcopy --only-section "__TEXT,*" %t %t5 2>&1
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# RUN: llvm-readobj --file-header --sections %t5 \
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# RUN: | FileCheck %s --check-prefix=WILDCARD
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## Make sure that it doesn't care about the segment/section name separator ",".
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# RUN: llvm-objcopy --only-section "__TEXT*" %t %t6 2>&1
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# RUN: cmp %t5 %t6
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# WILDCARD: NumOfLoadCommands: 1
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# WILDCARD: Sections [
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# WILDCARD: Index: 0
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# WILDCARD-NEXT: Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00)
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# WILDCARD: Index: 1
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# WILDCARD-NEXT: Name: __const (5F 5F 63 6F 6E 73 74 00 00 00 00 00 00 00 00 00)
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# WILDCARD-NOT: Index: 2
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# WILDCARD: ]
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--- !mach-o
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FileHeader:
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magic: 0xFEEDFACF
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cputype: 0x01000007
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cpusubtype: 0x00000003
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filetype: 0x00000001
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ncmds: 1
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sizeofcmds: 312
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flags: 0x00002000
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reserved: 0x00000000
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LoadCommands:
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- cmd: LC_SEGMENT_64
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cmdsize: 312
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segname: ''
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vmaddr: 0
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vmsize: 12
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fileoff: 344
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filesize: 12
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maxprot: 7
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initprot: 7
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nsects: 3
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flags: 0
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Sections:
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- sectname: __text
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segname: __TEXT
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addr: 0x0000000000000000
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content: 'AABBCCDD'
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size: 4
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offset: 344
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align: 0
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reloff: 0x00000000
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nreloc: 0
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flags: 0x80000400
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reserved1: 0x00000000
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reserved2: 0x00000000
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reserved3: 0x00000000
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- sectname: __data
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segname: __DATA
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addr: 0x0000000000000004
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content: 'DDAADDAA'
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size: 4
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offset: 348
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align: 0
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reloff: 0x00000000
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nreloc: 0
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flags: 0x00000000
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reserved1: 0x00000000
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reserved2: 0x00000000
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reserved3: 0x00000000
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- sectname: __const
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segname: __TEXT
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addr: 0x0000000000000008
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content: 'EEFFEEFF'
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size: 4
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offset: 352
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align: 0
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reloff: 0x00000000
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nreloc: 0
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flags: 0x00000000
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reserved1: 0x00000000
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reserved2: 0x00000000
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reserved3: 0x00000000
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