gdb/testsuite/gdb.dwarf2/imported-unit.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2019-2020 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 /* Using the DWARF assembler - see imported-unit.exp - we'll be constructing
  19    debug info corresponding to the following C++ code that also might have
  20    been compiled using -flto...
  21
  22   int main()
  23   {
  24     class Foo {
  25     public:
  26       int doit ()
  27       {
  28         return 0;
  29       }
  30     };
  31
  32     Foo foo;
  33
  34     return foo.doit ();
  35   }
  36
  37   An attempt was made to try to use the above code directly, but
  38   finding the start and end address of doit turned out to be
  39   difficult.
  40 */
  41
  42
  43 int doit (void)
  44 {
  45   asm ("doit_label: .globl doit_label");
  46
  47   return 0;
  48 }
  49
  50 int
  51 main (int argc, char *argv[])
  52 {
  53   asm ("main_label: .globl main_label");
  54
  55   return doit ();
  56 }