| // REQUIRES: arm |
| // RUN: llvm-mc -filetype=obj -arm-add-build-attributes -triple=armv7a-linux-gnueabihf %p/Inputs/arm-shared.s -o %t-lib.o |
| // RUN: llvm-mc -filetype=obj -arm-add-build-attributes -triple=armv7a-linux-gnueabihf %s -o %t.o |
| // RUN: ld.lld %t-lib.o --shared -o %t.so |
| // RUN: echo "SECTIONS { \ |
| // RUN: .text : { *(.text) } \ |
| // RUN: .rela.dyn : { *(.rel.dyn) *(.rel.plt) } \ |
| // RUN: } " > %t.script |
| // RUN: ld.lld %t.o -o %t.axf %t.so --script %t.script |
| // RUN: llvm-readobj --section-headers --dynamic-table %t.axf | FileCheck %s |
| |
| // The linker script above combines the .rela.dyn and .rela.plt into a single |
| // table. ELF is clear that the DT_PLTRELSZ should match the subset of |
| // relocations that is associated with the PLT. It is less clear about what |
| // the value of DT_RELASZ should be. ELF implies that it should be the size |
| // of the single table so that DT_RELASZ includes DT_PLTRELSZ. The loader in |
| // glibc permits this as long as .rela.plt comes after .rela.dyn in the |
| // combined table. In the ARM case irelative relocations do not count as PLT |
| // relocs. |
| |
| .text |
| .globl indirect |
| .type indirect,%gnu_indirect_function |
| indirect: |
| bx lr |
| |
| .globl bar2 // from Inputs/arm-shared.s |
| |
| .text |
| .globl _start |
| .type _start,%function |
| main: |
| bl indirect |
| bl bar2 |
| .word indirect(got) |
| .word bar2(got) |
| bx lr |
| |
| // CHECK: Name: .rela.dyn |
| // CHECK-NEXT: Type: SHT_REL |
| // CHECK-NEXT: Flags [ |
| // CHECK-NEXT: SHF_ALLOC |
| // CHECK-NEXT: ] |
| // CHECK-NEXT: Address: |
| // CHECK-NEXT: Offset: |
| // CHECK-NEXT: Size: 24 |
| |
| // CHECK: 0x00000012 RELSZ 24 (bytes) |
| // CHECK: 0x00000002 PLTRELSZ 8 (bytes) |