derek.holloway
7502bf64a4
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82 lines
2.2 KiB
ArmAsm
82 lines
2.2 KiB
ArmAsm
# REQUIRES: x86
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# RUN: rm -fr %t && split-file %s %t
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## Build an object with a trivial main function
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/main.s -o %t1.o
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## Build %t.a which defines a global 'foo'
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/archive.s -o %t2.o
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# RUN: rm -f %t2.a
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# RUN: llvm-ar rc %t2.a %t2.o
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## Build %t.so that has a reference to 'foo'
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/shlib.s -o %t3.o
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# RUN: ld.lld %t3.o -o %t3.so -shared
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## Test that 'foo' from %t2.a is fetched to define 'foo' needed by %t3.so.
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## Test both cases where the archive is before or after the shared library in
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## link order.
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# RUN: ld.lld %t1.o %t2.a %t3.so -o %t.exe
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# RUN: llvm-readelf --dyn-symbols %t.exe | FileCheck %s --check-prefix=CHECK-FETCH
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# RUN: ld.lld %t1.o %t3.so %t2.a -o %t.exe
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# RUN: llvm-readelf --dyn-symbols %t.exe | FileCheck %s --check-prefix=CHECK-FETCH
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# CHECK-FETCH: GLOBAL DEFAULT {{[0-9]+}} foo
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## Unversioned undefined symbols also extract the archive definitions.
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# RUN: yaml2obj %t/ver.yaml -o %t4.so
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# RUN: ld.lld %t1.o %t4.so %t2.a -o %t.exe
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# RUN: llvm-readelf --dyn-symbols %t.exe | FileCheck %s --check-prefix=CHECK-FETCH
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#--- main.s
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.text
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.globl _start
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.type _start,@function
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_start:
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ret
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#--- archive.s
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.global foo
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foo:
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#--- shlib.s
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.global foo
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#--- ver.yaml
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_DYN
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Machine: EM_X86_64
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Sections:
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- Name: .gnu.version
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Type: SHT_GNU_versym
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Flags: [ SHF_ALLOC ]
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Address: 0x0000000000200210
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AddressAlign: 0x0000000000000002
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EntSize: 0x0000000000000002
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## Test both index 0 and 1 for unversioned undefined symbols.
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## https://sourceware.org/PR33577
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Entries: [ 0, 0, 1 ]
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- Name: .gnu.version_r
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Type: SHT_GNU_verneed
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Flags: [ SHF_ALLOC ]
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Address: 0x0000000000200250
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AddressAlign: 0x0000000000000004
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Dependencies:
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- Version: 1
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File: dso.so.0
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Entries:
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- Name: v1
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Hash: 1937
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Flags: 0
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Other: 3
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DynamicSymbols:
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- Name: _start
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Binding: STB_GLOBAL
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- Name: foo
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Binding: STB_GLOBAL
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