Mercurial > hg > CbC > CbC_llvm
diff lld/test/ELF/aarch64-combined-dynrel.s @ 150:1d019706d866
LLVM10
author | anatofuz |
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date | Thu, 13 Feb 2020 15:10:13 +0900 |
parents | |
children | c4bab56944e8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lld/test/ELF/aarch64-combined-dynrel.s Thu Feb 13 15:10:13 2020 +0900 @@ -0,0 +1,41 @@ +// REQUIRES: AArch64 +// RUN: llvm-mc --triple=aarch64-linux-gnu -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: + bl func + adrp x8, :got:foo + ldr x8, [x8, :got_lo12:foo] + 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: 48 + +// CHECK: 0x0000000000000008 RELASZ 48 +// CHECK: 0x0000000000000002 PLTRELSZ 24