forked from OSchip/llvm-project
38 lines
1.2 KiB
ArmAsm
38 lines
1.2 KiB
ArmAsm
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# REQUIRES: x86
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## Show how symbols in GCed mergeable pieces behave.
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# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
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# RUN: ld.lld --gc-sections %t.o -o %t.elf
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# RUN: llvm-readelf %t.elf --sections --syms | FileCheck %s
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.section .rodata.merge,"aM",@progbits,4
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a1: ## Unreferenced. In first fragment, kept by a2 reference.
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.short 1
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a2: ## Referenced.
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.short 1
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b1: ## Unreferenced. Discarded as second fragment is unreferenced.
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.short 1
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b2: ## Unreferenced. Discarded as second fragment is unreferenced.
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.short 1
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c1: ## Referenced.
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.short 1
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c2: ## Unreferenced. In third fragment, kept by c1 reference.
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.short 1
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.data
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.global _start
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_start:
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.quad a2
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.quad c1
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# CHECK: .rodata PROGBITS [[#%x, ADDR:]]
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# CHECK: Symbol table '.symtab' contains 6 entries:
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# CHECK-NEXT: Num: Value {{.*}} Ndx Name
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# CHECK-NEXT: 0: {{.*}} UND{{ *$}}
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# CHECK-NEXT: 1: {{0*}}[[#ADDR]] {{.*}} a1
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# CHECK-NEXT: 2: {{0*}}[[#ADDR+2]] {{.*}} a2
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# CHECK-NEXT: 3: {{0*}}[[#ADDR]] {{.*}} c1
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# CHECK-NEXT: 4: {{0*}}[[#ADDR+2]] {{.*}} c2
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# CHECK-NEXT: 5: {{.*}} _start
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