derek.holloway
7502bf64a4
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67 lines
2.5 KiB
ArmAsm
67 lines
2.5 KiB
ArmAsm
# REQUIRES: aarch64
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# RUN: rm -rf %t; split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/foo.s -o %t/foo.o
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# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/bar.s -o %t/bar.o
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# RUN: llvm-mc -filetype=obj -triple=arm64-apple-darwin %t/test.s -o %t/test.o
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## Dylibs that don't do lazy dynamic calls don't need dyld_stub_binder.
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# RUN: %no-lsystem-lld -arch arm64 -dylib %t/foo.o -o %t/libfoo.dylib
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# RUN: llvm-nm -m %t/libfoo.dylib | FileCheck --check-prefix=NOSTUB %s
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## Binaries that don't do lazy dynamic calls but are linked against
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## libSystem.dylib get a reference to dyld_stub_binder even if it's
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## not needed.
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# RUN: %lld -arch arm64 -lSystem -dylib %t/foo.o -o %t/libfoo.dylib
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# RUN: llvm-nm -m %t/libfoo.dylib | FileCheck --check-prefix=STUB %s
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## Dylibs that do lazy dynamic calls do need dyld_stub_binder.
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# RUN: not %no-lsystem-lld -arch arm64 -dylib %t/bar.o %t/libfoo.dylib \
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# RUN: -o %t/libbar.dylib -no_fixup_chains 2>&1 | \
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# RUN: FileCheck --check-prefix=MISSINGSTUB %s
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# RUN: %lld -arch arm64 -lSystem -dylib %t/bar.o %t/libfoo.dylib \
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# RUN: -o %t/libbar.dylib -no_fixup_chains
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# RUN: llvm-nm -m %t/libbar.dylib | FileCheck --check-prefix=STUB %s
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## As do executables.
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# RUN: not %no-lsystem-lld -arch arm64 %t/libfoo.dylib %t/libbar.dylib %t/test.o \
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# RUN: -o %t/test -no_fixup_chains 2>&1 | FileCheck --check-prefix=MISSINGSTUB %s
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# RUN: %lld -arch arm64 -lSystem %t/libfoo.dylib %t/libbar.dylib %t/test.o \
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# RUN: -o %t/test -no_fixup_chains
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# RUN: llvm-nm -m %t/test | FileCheck --check-prefix=STUB %s
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## Test dynamic lookup of dyld_stub_binder.
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# RUN: %no-lsystem-lld -arch arm64 %t/libfoo.dylib %t/libbar.dylib %t/test.o \
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# RUN: -o %t/test -undefined dynamic_lookup -no_fixup_chains
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# RUN: llvm-nm -m %t/test | FileCheck --check-prefix=DYNSTUB %s
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# RUN: %no-lsystem-lld -arch arm64 %t/libfoo.dylib %t/libbar.dylib %t/test.o \
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# RUN: -o %t/test -U dyld_stub_binder -no_fixup_chains
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# RUN: llvm-nm -m %t/test | FileCheck --check-prefix=DYNSTUB %s
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# MISSINGSTUB: error: undefined symbol: dyld_stub_binder
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# MISSINGSTUB-NEXT: >>> referenced by lazy binding (normally in libSystem.dylib)
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# NOSTUB-NOT: dyld_stub_binder
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# STUB: (undefined) external dyld_stub_binder (from libSystem)
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# DYNSTUB: (undefined) external dyld_stub_binder (dynamically looked up)
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#--- foo.s
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.globl _foo
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_foo:
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#--- bar.s
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.text
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.globl _bar
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_bar:
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bl _foo
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ret
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#--- test.s
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.text
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.globl _main
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.p2align 2
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_main:
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bl _foo
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bl _bar
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ret
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