# REQUIRES: x86 # RUN: llvm-mc --triple=x86_64-pc-linux -filetype=obj -o %t.o %s # RUN: echo "SECTIONS { \ # RUN: .text : { *(.text) } \ # RUN: .rela.dyn : { *(.rela.dyn) *(.rela.plt) } \ # RUN: } " > %t.script # RUN: ld.lld %t.o -o %t.so --shared --script %t.script # RUN: llvm-readobj --section-headers --dynamic-table %t.so | 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. .text .globl func .type func, %function .globl foo .type foo, %object .globl _start .type _start, %function _start: call func@plt movq func@GOTPCREL (%rip), %rax # CHECK: Name: .rela.dyn # CHECK-NEXT: Type: SHT_RELA # CHECK-NEXT: Flags [ # CHECK-NEXT: SHF_ALLOC # CHECK-NEXT: SHF_INFO_LINK # CHECK-NEXT: ] # CHECK-NEXT: Address: # CHECK-NEXT: Offset: # CHECK-NEXT: Size: 48 # CHECK: 0x0000000000000008 RELASZ 48 # CHECK: 0x0000000000000002 PLTRELSZ 24