relro-copyrel-bss-script.s
1.21 KB
// REQUIRES: x86
// RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/shared.s -o %t.o
// RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/copy-in-shared.s -o %t2.o
// RUN: ld.lld -shared -soname=t.so %t.o %t2.o -z separate-code -o %t.so
// A linker script that will map .bss.rel.ro into .bss.
// RUN: echo "SECTIONS { \
// RUN: .bss : { *(.bss) *(.bss.*) } \
// RUN: } " > %t.script
// RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t3.o
// RUN: ld.lld %t3.o %t.so -z relro -z separate-code -o %t --script=%t.script 2>&1
// RUN: llvm-readelf -l %t | FileCheck %s
.section .text, "ax", @progbits
.global bar
.global foo
.global _start
_start:
callq bar
// Will produce .bss.rel.ro that will match in .bss, this will lose
// the relro property of the copy relocation.
.quad foo
// Non relro bss
.bss
// make large enough to affect PT_GNU_RELRO MemSize if this was marked
// as relro.
.space 0x2000
// CHECK: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
// CHECK: GNU_RELRO 0x002150 0x0000000000000150 0x0000000000000150 0x000100 0x000eb0 R 0x1