derek.holloway
7502bf64a4
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66 lines
2.5 KiB
ArmAsm
66 lines
2.5 KiB
ArmAsm
# REQUIRES: x86
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## Test that -r keeps local symbols which are used in relocations even when
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## --discard-{locals,all} is given.
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# RUN: llvm-mc -filetype=obj -triple=x86_64 -save-temp-labels %s -o %t.o
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# RUN: ld.lld -r --discard-locals %t.o -o %tlocal.ro
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# RUN: llvm-readelf -s %tlocal.ro | FileCheck --check-prefix=DISCARD-LOCALS %s
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# RUN: llvm-readobj -r %tlocal.ro | FileCheck --check-prefix=REL %s
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# RUN: ld.lld -r --discard-all %t.o -o %tall.ro
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# RUN: llvm-readelf -s %tall.ro | FileCheck --check-prefix=DISCARD-ALL %s
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# RUN: llvm-readobj -r %tall.ro | FileCheck --check-prefix=REL %s
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## --discard-locals removes unused local symbols which start with ".L"
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# DISCARD-LOCALS: 0: {{0+}} 0 NOTYPE LOCAL DEFAULT UND
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# DISCARD-LOCALS-NEXT: NOTYPE LOCAL DEFAULT {{.*}} .Lused
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# DISCARD-LOCALS-NEXT: NOTYPE LOCAL DEFAULT {{.*}} used
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# DISCARD-LOCALS-NEXT: NOTYPE LOCAL DEFAULT {{.*}} .L.str
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# DISCARD-LOCALS-NEXT: NOTYPE LOCAL DEFAULT {{.*}} unused
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# DISCARD-LOCALS-NEXT: NOTYPE LOCAL DEFAULT {{.*}} unused_gc
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# DISCARD-LOCALS-NEXT: SECTION LOCAL DEFAULT {{.*}} .text
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# DISCARD-LOCALS-NEXT: SECTION LOCAL DEFAULT {{.*}} text
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# DISCARD-LOCALS-NEXT: SECTION LOCAL DEFAULT {{.*}} gc
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# DISCARD-LOCALS-NEXT: SECTION LOCAL DEFAULT {{.*}} .rodata.str1.1
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# DISCARD-LOCALS-NEXT: NOTYPE GLOBAL DEFAULT {{.*}} _start
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## --discard-all removes all unused regular local symbols.
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# DISCARD-ALL: 0: {{0+}} 0 NOTYPE LOCAL DEFAULT UND
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# DISCARD-ALL-NEXT: NOTYPE LOCAL DEFAULT {{.*}} .Lused
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# DISCARD-ALL-NEXT: NOTYPE LOCAL DEFAULT {{.*}} used
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# DISCARD-ALL-NEXT: NOTYPE LOCAL DEFAULT {{.*}} .L.str
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# DISCARD-ALL-NEXT: SECTION LOCAL DEFAULT {{.*}} .text
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# DISCARD-ALL-NEXT: SECTION LOCAL DEFAULT {{.*}} text
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# DISCARD-ALL-NEXT: SECTION LOCAL DEFAULT {{.*}} gc
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# DISCARD-ALL-NEXT: SECTION LOCAL DEFAULT {{.*}} .rodata.str1.1
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# DISCARD-ALL-NEXT: NOTYPE GLOBAL DEFAULT {{.*}} _start
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# REL: .rela.text {
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# REL-NEXT: R_X86_64_PLT32 text 0xFFFFFFFFFFFFFFFC
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# REL-NEXT: R_X86_64_PLT32 .Lused 0xFFFFFFFFFFFFFFFC
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# REL-NEXT: R_X86_64_PLT32 used 0xFFFFFFFFFFFFFFFC
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# REL-NEXT: R_X86_64_PC32 .L.str 0xFFFFFFFFFFFFFFFC
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# REL-NEXT: }
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.globl _start
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_start:
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call text@plt
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jmp .Lused@plt
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call used@plt
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leaq .L.str(%rip), %rdi
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.section text,"ax"
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.Lunused:
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.Lused:
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unused:
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used:
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.section gc,"ax"
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.Lunused_gc:
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unused_gc:
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ret
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.section .rodata.str1.1,"aMS",@progbits,1
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.L.str: .asciz "a"
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