diff options
Diffstat (limited to 'test/ELF/aarch64-combined-dynrel-ifunc.s')
-rw-r--r-- | test/ELF/aarch64-combined-dynrel-ifunc.s | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/test/ELF/aarch64-combined-dynrel-ifunc.s b/test/ELF/aarch64-combined-dynrel-ifunc.s new file mode 100644 index 000000000000..5e84b03d7b2e --- /dev/null +++ b/test/ELF/aarch64-combined-dynrel-ifunc.s @@ -0,0 +1,51 @@ +// REQUIRES: AArch64 +// RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/shared.s -o %t-lib.o +// RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %s -o %t.o +// RUN: ld.lld %t-lib.o --shared -o %t.so +// RUN: echo "SECTIONS { \ +// RUN: .text : { *(.text) } \ +// RUN: .rela.dyn : { *(.rela.dyn) *(.rela.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. In the AArch64 case irelative relocations count as PLT relocs. + +.text +.globl indirect +.type indirect,@gnu_indirect_function +indirect: + ret + +.globl bar // from Inputs/shared.s + +.text +.globl _start +.type _start,@function +main: + bl indirect + bl bar + adrp x8, :got:indirect + ldr x8, [x8, :got_lo12:indirect] + adrp x8, :got:bar + ldr x8, [x8, :got_lo12:bar] + ret + +// CHECK: Name: .rela.dyn +// CHECK-NEXT: Type: SHT_RELA +// CHECK-NEXT: Flags [ +// CHECK-NEXT: SHF_ALLOC +// CHECK-NEXT: ] +// CHECK-NEXT: Address: +// CHECK-NEXT: Offset: +// CHECK-NEXT: Size: 72 + +// CHECK: 0x0000000000000008 RELASZ 72 +// CHECK: 0x0000000000000002 PLTRELSZ 48 |