bolt/test/AArch64/array_end.c

   1 // Test checks that bolt properly finds end section label.
   2 // Linker script contains gap after destructor array, so
   3 // __init_array_end address would not be owned by any section.
   4
   5 // REQUIRES: system-linux
   6 // RUN: %clang %cflags -no-pie %s -o %t.exe -Wl,-q \
   7 // RUN:   -Wl,-T %S/Inputs/array_end.lld_script
   8 // RUN: llvm-bolt %t.exe -o %t.bolt --print-disasm \
   9 // RUN:  --print-only="callFini" | FileCheck %s
  10
  11 // CHECK: adr [[REG:x[0-28]+]], "__fini_array_end/1"
  12
  13 __attribute__((destructor)) void destr() {}
  14
  15 __attribute__((noinline)) void callFini() {
  16   extern void (*__fini_array_start[])();
  17   extern void (*__fini_array_end[])();
  18   unsigned long Count = __fini_array_end - __fini_array_start;
  19   for (unsigned long I = 0; I < Count; ++I)
  20     (*__fini_array_start[I])();
  21 }
  22
  23 void _start() { callFini(); }