llvm-project

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# REQUIRES: x86
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# RUN: rm -rf %t; split-file --no-leading-lines %s %t
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/ref_xxx.s -o %t/ref_xxx.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/ref_ySyy.s -o %t/ref_ySyy.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/ref_zzz.s -o %t/ref_zzz.o
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## Case 1: special symbol $ld$previous affects the install name / compatibility version
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## since the specified version 11.0.0 is within the affected range [3.0, 14.0).
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# RUN: %lld -o %t/libfoo1.dylib %t/libLDPreviousInstallName.tbd %t/ref_xxx.o -dylib -platform_version macos 11.0.0 11.0.0
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# RUN: llvm-objdump --macho --dylibs-used %t/libfoo1.dylib | FileCheck --check-prefix=CASE1 %s
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# CASE1: /Old (compatibility version 1.2.3, current version 5.0.0)
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## Case 2: special symbol $ld$previous does not affect the install name / compatibility version
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## since the specified version 2.0.0 is lower than the affected range [3.0, 14.0).
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# RUN: %lld -o %t/libfoo2.dylib %t/libLDPreviousInstallName.tbd %t/ref_xxx.o -dylib -platform_version macos 2.0.0 2.0.0
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# RUN: llvm-objdump --macho --dylibs-used %t/libfoo2.dylib | FileCheck --check-prefix=CASE2 %s
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# CASE2: /New (compatibility version 1.1.1, current version 5.0.0)
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## Case 3: special symbol $ld$previous does not affect the install name / compatibility version
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## since the specified version 14.0.0 is higher than the affected range [3.0, 14.0).
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# RUN: %lld -o %t/libfoo3.dylib %t/libLDPreviousInstallName.tbd %t/ref_xxx.o -dylib -platform_version macos 2.0.0 2.0.0
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# RUN: llvm-objdump --macho --dylibs-used %t/libfoo3.dylib | FileCheck --check-prefix=CASE3 %s
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# CASE3: /New (compatibility version 1.1.1, current version 5.0.0)
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## The remaining cases test handling when a symbol name is part of $ld$previous.
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## Case 4: special symbol $ld$previous affects the install name / compatibility version if and only if:
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##   * the specified version 11.0.0 is within the affected range [3.0, 14.0), and
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##   * the symbol name after $previous$ points to a referenced symbol
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# RUN: %lld -o %t/libfoo4_yes.dylib %t/libLDPreviousInstallName-Symbol.tbd %t/ref_ySyy.o -dylib -platform_version macos 11.0.0 11.0.0
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# RUN: llvm-otool -L %t/libfoo4_yes.dylib | FileCheck --check-prefix=CASE4-YES --implicit-check-not=/New %s
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# CASE4-YES: /Old (compatibility version 1.2.3, current version 1.2.3)
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## $previous has no effect because deployment target is too new.
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# RUN: %lld -o %t/libfoo4_no.dylib %t/libLDPreviousInstallName-Symbol.tbd %t/ref_ySyy.o -dylib -platform_version macos 14.0.0 14.0.0
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# RUN: llvm-otool -L %t/libfoo4_no.dylib | FileCheck --check-prefix=CASE4-NO --implicit-check-not=/Old %s
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# CASE4-NO: /New (compatibility version 1.1.1, current version 5.0.0)
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## $previous has no effect because named symbol isn't referenced.
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# RUN: %lld -o %t/libfoo4_no.dylib %t/libLDPreviousInstallName-Symbol.tbd %t/ref_zzz.o -dylib -platform_version macos 11.0.0 11.0.0
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# RUN: llvm-otool -L %t/libfoo4_no.dylib | FileCheck --check-prefix=CASE4-NO %s
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## Case 5: Reference two symbols that add different $previous names each,
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## and one that references the "normal" dylib.
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## This should produce three different load commands.
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# RUN: %lld -o %t/libfoo5.dylib %t/libLDPreviousInstallName-Symbol.tbd %t/ref_xxx.o %t/ref_ySyy.o %t/ref_zzz.o -dylib -platform_version macos 11.0.0 11.0.0
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# RUN: llvm-otool -L %t/libfoo5.dylib | FileCheck --check-prefix=CASE5 %s
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# CASE5: /New (compatibility version 1.1.1, current version 5.0.0)
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# CASE5-DAG: /Another (compatibility version 1.1.1, current version 5.0.0)
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# CASE5-DAG: /Old (compatibility version 1.2.3, current version 1.2.3)
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## Check that we emit a warning for an invalid start, end and compatibility versions.
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# RUN: %no-fatal-warnings-lld -o %t/libfoo1.dylib %t/libLDPreviousInvalid.tbd %t/ref_xxx.o -dylib \
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# RUN:  -platform_version macos 11.0.0 11.0.0 2>&1 | FileCheck --check-prefix=INVALID-VERSION %s
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# INVALID-VERSION-DAG: libLDPreviousInvalid.tbd(/Old): failed to parse start version, symbol '$ld$previous$/New$1.2.3$1$3.a$14.0$$' ignored
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# INVALID-VERSION-DAG: libLDPreviousInvalid.tbd(/Old): failed to parse end version, symbol '$ld$previous$/New$1.2.3$1$3.0$14.b$$' ignored
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# INVALID-VERSION-DAG: libLDPreviousInvalid.tbd(/Old): failed to parse compatibility version, symbol '$ld$previous$/New$1.2.c$1$3.0$14.0$$' ignored
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#--- ref_xxx.s
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.long	_xxx@GOTPCREL
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#--- ref_ySyy.s
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.long	_y$yy@GOTPCREL
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#--- ref_zzz.s
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.long	_zzz@GOTPCREL
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#--- libLDPreviousInstallName.tbd
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--- !tapi-tbd-v3
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archs:           [ x86_64 ]
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uuids:           [ 'x86_64: 19311019-01AB-342E-812B-73A74271A715' ]
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platform:        macosx
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install-name:    '/New'
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current-version: 5
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compatibility-version: 1.1.1
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exports:
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  - archs:           [ x86_64 ]
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    symbols:         [ '$ld$previous$/Old$1.2.3$1$3.0$14.0$$', _xxx ]
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...
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#--- libLDPreviousInstallName-Symbol.tbd
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--- !tapi-tbd-v3
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archs:           [ x86_64 ]
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uuids:           [ 'x86_64: 19311019-01AB-342E-812B-73A74271A715' ]
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platform:        macosx
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install-name:    '/New'
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current-version: 5
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compatibility-version: 1.1.1
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exports:
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  - archs:           [ x86_64 ]
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    symbols:         [
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      '$ld$previous$/Another$$1$3.0$14.0$_xxx$',
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      '$ld$previous$/Old$1.2.3$1$3.0$14.0$_y$yy$',
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      _xxx,
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      '_y$yy',
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      _zzz,
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    ]
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...
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#--- libLDPreviousInvalid.tbd
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--- !tapi-tbd-v3
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archs:           [ x86_64 ]
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uuids:           [ 'x86_64: 19311019-01AB-342E-112B-73A74271A715' ]
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platform:        macosx
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install-name:    '/Old'
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current-version: 5
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compatibility-version: 1.1.1
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exports:
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  - archs:           [ x86_64 ]
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    symbols:         [ '$ld$previous$/New$1.2.3$1$3.a$14.0$$',
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                       '$ld$previous$/New$1.2.3$1$3.0$14.b$$',
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                       '$ld$previous$/New$1.2.c$1$3.0$14.0$$',
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                       _xxx ]
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...
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