forked from OSchip/llvm-project
87 lines
2.6 KiB
ArmAsm
87 lines
2.6 KiB
ArmAsm
# REQUIRES: x86
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# RUN: rm -rf %t && split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/main.s -o %t/main.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/a.s -o %t/a.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/a_b.s -o %t/a_b.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/b.s -o %t/b.o
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# RUN: llvm-ar rc %t/a.a %t/a.o
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# RUN: llvm-ar rc %t/a_b.a %t/a_b.o
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# RUN: llvm-ar rc %t/b.a %t/b.o
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# RUN: cd %t
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## Nothing is extracted from an archive. The file is created with just a header.
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# RUN: ld.lld main.o a.o b.a -o /dev/null --why-extract=why1.txt
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# RUN: FileCheck %s --input-file=why1.txt --check-prefix=CHECK1 --match-full-lines --strict-whitespace
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# CHECK1:reference extracted symbol
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# CHECK1-NOT:{{.}}
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## Some archive members are extracted.
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# RUN: ld.lld main.o a_b.a b.a -o /dev/null --why-extract=why2.txt
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# RUN: FileCheck %s --input-file=why2.txt --check-prefix=CHECK2 --match-full-lines --strict-whitespace
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# CHECK2:reference extracted symbol
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# CHECK2-NEXT:main.o a_b.a(a_b.o) a
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# CHECK2-NEXT:a_b.a(a_b.o) b.a(b.o) b()
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## Check that backward references are supported.
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## - means stdout.
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# RUN: ld.lld b.a a_b.a main.o -o /dev/null --why-extract=- | FileCheck %s --check-prefix=CHECK3
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# CHECK3:reference extracted symbol
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# CHECK3-NEXT:a_b.a(a_b.o) b.a(b.o) b()
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# CHECK3-NEXT:main.o a_b.a(a_b.o) a
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# RUN: ld.lld main.o a_b.a b.a -o /dev/null --no-demangle --why-extract=- | FileCheck %s --check-prefix=MANGLED
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# MANGLED: a_b.a(a_b.o) b.a(b.o) _Z1bv
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# RUN: ld.lld main.o a.a b.a -o /dev/null -u _Z1bv --why-extract=- | FileCheck %s --check-prefix=UNDEFINED
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## We insert -u symbol before processing other files, so its name is <internal>.
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## This is not ideal.
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# UNDEFINED: <internal> b.a(b.o) b()
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# RUN: ld.lld main.o a.a b.a -o /dev/null --undefined-glob '_Z1b*' --why-extract=- | FileCheck %s --check-prefix=UNDEFINED_GLOB
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# UNDEFINED_GLOB: --undefined-glob b.a(b.o) b()
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# RUN: ld.lld main.o a.a b.a -o /dev/null -e _Z1bv --why-extract=- | FileCheck %s --check-prefix=ENTRY
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# ENTRY: --entry b.a(b.o) b()
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# RUN: ld.lld main.o b.a -o /dev/null -T a.lds --why-extract=- | FileCheck %s --check-prefix=SCRIPT
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# SCRIPT: <internal> b.a(b.o) b()
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# RUN: ld.lld main.o --start-lib a_b.o b.o --end-lib -o /dev/null --why-extract=- | FileCheck %s --check-prefix=LAZY
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# LAZY: main.o a_b.o a
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# LAZY: a_b.o b.o b()
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# RUN: not ld.lld -shared main.o -o /dev/null --why-extract=/ 2>&1 | FileCheck %s --check-prefix=ERR
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# ERR: error: cannot open --why-extract= file /: {{.*}}
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#--- main.s
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.globl _start
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_start:
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call a
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#--- a.s
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.globl a
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a:
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#--- a_b.s
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.globl a
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a:
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call _Z1bv
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#--- b.s
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.globl _Z1bv
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_Z1bv:
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#--- a.lds
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a = _Z1bv;
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