| // REQUIRES: x86 |
| |
| // Reserve space for copy relocations of read-only symbols in .bss.rel.ro |
| |
| // RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o |
| // RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/relocation-copy-relro.s -o %t2.o |
| // RUN: ld.lld -shared %t2.o -soname=so -o %t.so |
| // RUN: ld.lld %t.o %t.so -o %t3 |
| // RUN: llvm-readobj -S -l -r %t3 | FileCheck %s |
| |
| /// Due to -z rodynamic, The only RELRO section is .bss.rel.ro. Test that we |
| /// still append the .relro_padding section. |
| // RUN: ld.lld -z rodynamic %t.o %t.so -o %t4 |
| // RUN: llvm-readelf -S -l %t4 | FileCheck %s --check-prefix=CHECK2 |
| |
| // CHECK: Name: .bss.rel.ro |
| // CHECK-NEXT: Type: SHT_NOBITS (0x8) |
| // CHECK-NEXT: Flags [ (0x3) |
| // CHECK-NEXT: SHF_ALLOC (0x2) |
| // CHECK-NEXT: SHF_WRITE (0x1) |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address: 0x202368 |
| // CHECK-NEXT: Offset: 0x368 |
| // CHECK-NEXT: Size: 8 |
| |
| // CHECK: Type: PT_GNU_RELRO (0x6474E552) |
| // CHECK-NEXT: Offset: 0x2A8 |
| // CHECK-NEXT: VirtualAddress: 0x2022A8 |
| // CHECK-NEXT: PhysicalAddress: 0x2022A8 |
| // CHECK-NEXT: FileSize: 192 |
| // CHECK-NEXT: MemSize: 3416 |
| |
| // CHECK: 0x202368 R_X86_64_COPY a 0x0 |
| // CHECK: 0x20236C R_X86_64_COPY b 0x0 |
| |
| // CHECK2: LOAD 0x000356 0x0000000000202356 0x0000000000202356 0x000000 0x000caa RW 0x1000 |
| // CHECK2: DYNAMIC 0x000258 0x0000000000200258 0x0000000000200258 0x0000b0 0x0000b0 R 0x8 |
| // CHECK2: GNU_RELRO 0x000356 0x0000000000202356 0x0000000000202356 0x000000 0x000caa R 0x1 |
| |
| // CHECK2: Section to Segment mapping: |
| // CHECK2-NEXT: Segment Sections... |
| // CHECK2-NEXT: 00 |
| // CHECK2-NEXT: 01 .dynsym .gnu.hash .hash .dynamic .dynstr .rela.dyn |
| // CHECK2-NEXT: 02 .text |
| // CHECK2-NEXT: 03 .bss.rel.ro .relro_padding |
| // CHECK2-NEXT: 04 .dynamic |
| // CHECK2-NEXT: 05 .bss.rel.ro .relro_padding |
| // CHECK2-NEXT: 06 |
| |
| .text |
| .global _start |
| _start: |
| movl $1, a |
| movl $2, b |
