41f3e8e408
This load command generates data in the LINKEDIT section which is a list of ULEB128 delta's to all of the functions in the __text section. It is then 0 terminated and pointer aligned to pad. ld64 exposes the -function-starts and no-function-starts cmdline options to override behaviour from the defaults based on file types. rdar://problem/24472630 llvm-svn: 260188
33 lines
1.7 KiB
YAML
33 lines
1.7 KiB
YAML
# RUN: lld -flavor darwin -arch x86_64 -macosx_version_min 10.8 %s -o %t -dylib %p/Inputs/libSystem.yaml && llvm-objdump -private-headers %t | FileCheck %s
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# RUN: lld -flavor darwin -arch x86_64 -macosx_version_min 10.8 %s -o %t -dylib %p/Inputs/libSystem.yaml -static -function_starts && llvm-objdump -private-headers %t | FileCheck %s
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# RUN: lld -flavor darwin -arch x86_64 -macosx_version_min 10.8 %s -o %t -dylib %p/Inputs/libSystem.yaml -no_function_starts && llvm-objdump -private-headers %t | FileCheck %s --check-prefix=NO_FUNCTION_STARTS
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# RUN: lld -flavor darwin -arch x86_64 -macosx_version_min 10.8 %s -o %t -dylib %p/Inputs/libSystem.yaml -static -function_starts -no_function_starts && llvm-objdump -private-headers %t | FileCheck %s --check-prefix=NO_FUNCTION_STARTS
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# RUN: lld -flavor darwin -arch x86_64 -macosx_version_min 10.8 %s -o %t -dylib %p/Inputs/libSystem.yaml -static && llvm-objdump -private-headers %t | FileCheck %s --check-prefix=NO_FUNCTION_STARTS
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--- !mach-o
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arch: x86_64
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file-type: MH_OBJECT
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flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]
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sections:
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- segment: __TEXT
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section: __text
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type: S_REGULAR
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attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ]
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address: 0x0000000000000000
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content: [ 0x00, 0x00, 0x00, 0x00 ]
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global-symbols:
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- name: _main
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type: N_SECT
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scope: [ N_EXT ]
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sect: 1
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value: 0x0000000000000000
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...
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# CHECK: Load command {{[0-9]*}}
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# CHECK: cmd LC_FUNCTION_STARTS
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# CHECK: cmdsize 16
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# CHECK: dataoff
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# CHECK: datasize
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# NO_FUNCTION_STARTS-NOT: LC_FUNCTION_STARTS
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