llvm-project/lld/test/ELF/protected-data-access.s

31 lines
859 B
ArmAsm

# 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