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