90 lines
3.1 KiB
ArmAsm
90 lines
3.1 KiB
ArmAsm
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# REQUIRES: x86
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## Test symbol resolution related to .symver produced non-default version symbols.
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# RUN: split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/ref.s -o %t/ref.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/def1.s -o %t/def1.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/def2.s -o %t/def2.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/def3.s -o %t/def3.o
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## foo@v1 & foo defined at the same location are combined.
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# RUN: ld.lld -shared --version-script=%t/ver1 %t/def1.o %t/ref.o -o %t1.so
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# RUN: llvm-readelf --dyn-syms %t1.so | FileCheck %s --check-prefix=CHECK1
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# RUN: ld.lld -shared --version-script=%t/ver2 %t/def1.o %t/ref.o -o %t1.so
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# RUN: llvm-readelf --dyn-syms %t1.so | FileCheck %s --check-prefix=CHECK1
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# CHECK1: 1: {{.*}} NOTYPE GLOBAL DEFAULT [[#]] foo@v1
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# CHECK1-EMPTY:
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## Test an executable link without exporting foo.
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# RUN: ld.lld -pie --version-script=%t/ver1 %t/def1.o %t/ref.o -o %t1
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# RUN: llvm-readelf -s %t1 | FileCheck %s --check-prefix=EXE1
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# EXE1: Symbol table '.dynsym' contains 1 entries:
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# EXE1: Symbol table '.symtab' contains 3 entries:
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# EXE1: 2: {{.*}} NOTYPE GLOBAL DEFAULT [[#]] foo{{$}}
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## def2.o doesn't define foo. foo@v1 & undefined foo are unrelated.
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# RUN: ld.lld -shared --version-script=%t/ver1 %t/def2.o %t/ref.o -o %t2.so
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# RUN: llvm-readelf -r --dyn-syms %t2.so | FileCheck %s --check-prefix=CHECK2
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# CHECK2: R_X86_64_JUMP_SLOT {{.*}} foo + 0
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# CHECK2: 1: {{.*}} NOTYPE GLOBAL DEFAULT UND foo{{$}}
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# CHECK2-NEXT: 2: {{.*}} NOTYPE GLOBAL DEFAULT [[#]] foo@v1
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# CHECK2-EMPTY:
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# RUN: not ld.lld -pie --version-script=%t/ver1 %t/def2.o %t/ref.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=EXE2
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# EXE2: error: undefined symbol: foo{{$}}
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## def2.o doesn't define foo. foo@v1 & defined foo are unrelated.
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# RUN: ld.lld -shared --version-script=%t/ver1 %t/def2.o %t/def3.o %t/ref.o -o %t3.so
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# RUN: llvm-readelf -r --dyn-syms %t3.so | FileCheck %s --check-prefix=CHECK3
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# CHECK3: R_X86_64_JUMP_SLOT {{.*}} foo + 0
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# CHECK3: 1: {{.*}} NOTYPE GLOBAL DEFAULT [[#]] foo@v1
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# CHECK3-NEXT: 2: {{.*}} NOTYPE GLOBAL DEFAULT [[#]] foo{{$}}
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# CHECK3-EMPTY:
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# RUN: ld.lld -pie --version-script=%t/ver1 %t/def2.o %t/def3.o %t/ref.o -o %t3
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# RUN: llvm-readelf -s %t3 | FileCheck %s --check-prefix=EXE3
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# EXE3: Symbol table '.dynsym' contains 1 entries:
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# EXE3: Symbol table '.symtab' contains 4 entries:
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# EXE3: 2: {{.*}} NOTYPE GLOBAL DEFAULT [[#SEC:]] foo{{$}}
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# EXE3-NEXT: 3: {{.*}} NOTYPE GLOBAL DEFAULT [[#SEC]] foo{{$}}
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## foo@v1 overrides the defined foo which is affected by a version script.
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# RUN: ld.lld -shared --version-script=%t/ver2 %t/def2.o %t/def3.o %t/ref.o -o %t4
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# RUN: llvm-readelf -r --dyn-syms %t4 | FileCheck %s --check-prefix=CHECK4
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# CHECK4: R_X86_64_JUMP_SLOT {{.*}} foo@v1 + 0
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# CHECK4: 1: {{.*}} NOTYPE GLOBAL DEFAULT [[#]] foo@v1
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# CHECK4-EMPTY:
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#--- ver1
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v1 {};
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#--- ver2
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v1 { foo; };
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#--- ref.s
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call foo
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#--- def1.s
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.globl foo
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.symver foo, foo@v1
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foo:
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ret
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#--- def2.s
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.globl foo_v1
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.symver foo_v1, foo@v1, remove
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foo_v1:
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ret
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#--- def3.s
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.globl foo
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foo:
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ret
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