llvm-project/lld/test/ELF/arm-exidx-mapping-symbols.s

27 lines
818 B
ArmAsm

// REQUIRES: arm
// RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t
// RUN: ld.lld %t -o %t2
// RUN: llvm-readelf -s %t2 | FileCheck %s
// CHECK-NOT: $d.exidx.foo
/// Test that symbols which point to input .ARM.exidx sections are eliminated.
/// These symbols might be produced, for example, by GNU tools.
.syntax unified
.section .text.foo,"axG",%progbits,foo,comdat
foo:
bx lr
/// GNU as adds mapping symbols "$d" for .ARM.exidx sections it generates.
/// llvm-mc does not do that, so reproduce that manually.
.section .ARM.exidx.text.foo,"ao?",%0x70000001,.text.foo
$d.exidx.foo:
.reloc 0, R_ARM_NONE, __aeabi_unwind_cpp_pr0
.long .text.foo(PREL31)
.long 0x80b0b0b0
.section .text.h,"ax"
.global __aeabi_unwind_cpp_pr0
__aeabi_unwind_cpp_pr0:
bx lr