gdb/testsuite/gdb.dwarf2/dw2-llvm-overlay.c

/* This testcase is part of GDB, the GNU debugger.

   Copyright 2022 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

unsigned buff[] = {0, 1, 2, 3, 4, 5, 6, 7};

void foo (unsigned dst[], unsigned src[], int len)
{
  asm volatile ("foo_label: .globl foo_label");
  for (int i = 0; i < len; ++i)
    dst[i] += src[i];
}

int
main (void)
{
  asm volatile ("main_label: .globl main_label");
  foo (buff, buff, 1);
  return 0;
}