File: protected-data-access.s

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llvm-toolchain-18 1%3A18.1.8-18
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# REQUIRES: x86

## Disallow copy relocation if the symbol is defined as protected in a DSO.

# RUN: llvm-mc -triple x86_64-pc-linux -filetype=obj %p/Inputs/protected-data-access.s -o %t2.o
# RUN: ld.lld %t2.o -o %t2.so -shared
# RUN: llvm-mc -triple x86_64-pc-linux -filetype=obj %s -o %t.o

# RUN: not ld.lld %t.o %t2.so -o /dev/null 2>&1 | FileCheck --check-prefix=ERR %s
# ERR: error: cannot preempt symbol: foo

## Allow that if --ignore-data-address-equality is specified.

# RUN: ld.lld --ignore-data-address-equality %t.o %t2.so -o %t
# RUN: llvm-readobj --dyn-symbols --relocations %t | FileCheck %s

# CHECK: R_X86_64_COPY foo 0x0

# CHECK:      Name: foo
# CHECK-NEXT: Value:
# CHECK-NEXT: Size: 8
# CHECK-NEXT: Binding: Global
# CHECK-NEXT: Type: Object
# CHECK-NEXT: Other:
# CHECK-NEXT: Section: .bss.rel.ro

.global _start
_start:
  .quad foo