gdb/testsuite/gdb.dwarf2/dw2-dir-file-name.c

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

   Copyright 2012-2021 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/>.  */

volatile int v;

static void
marker (void)
{
  v++;
}

/* *R* marks possibly invalid compiler output as the first path component is
   not absolute.  Still DWARF-4 does not forbid such DWARF; GCC does not
   produce it.  */

#define FUNCBLOCK						\
FUNC (compdir_missing__ldir_missing__file_basename)	   /*R*/\
FUNC (compdir_missing__ldir_missing__file_relative)	   /*R*/\
FUNC (compdir_missing__ldir_missing__file_absolute)		\
FUNC (compdir_missing__ldir_relative_file_basename)	   /*R*/\
FUNC (compdir_missing__ldir_relative_file_relative)	   /*R*/\
FUNC (compdir_missing__ldir_relative_file_absolute)	   /*R*/\
FUNC (compdir_missing__ldir_absolute_file_basename)		\
FUNC (compdir_missing__ldir_absolute_file_relative)		\
FUNC (compdir_missing__ldir_absolute_file_absolute_same)	\
FUNC (compdir_missing__ldir_absolute_file_absolute_different)	\
FUNC (compdir_relative_ldir_missing__file_basename)	   /*R*/\
FUNC (compdir_relative_ldir_missing__file_relative)	   /*R*/\
FUNC (compdir_relative_ldir_missing__file_absolute)	   /*R*/\
FUNC (compdir_relative_ldir_relative_file_basename)	   /*R*/\
FUNC (compdir_relative_ldir_relative_file_relative)	   /*R*/\
FUNC (compdir_relative_ldir_relative_file_absolute)	   /*R*/\
FUNC (compdir_relative_ldir_absolute_file_basename)	   /*R*/\
FUNC (compdir_relative_ldir_absolute_file_relative)	   /*R*/\
FUNC (compdir_relative_ldir_absolute_file_absolute_same)   /*R*/\
FUNC (compdir_relative_ldir_absolute_file_absolute_different) /*R*/\
FUNC (compdir_absolute_ldir_missing__file_basename)		\
FUNC (compdir_absolute_ldir_missing__file_relative)		\
FUNC (compdir_absolute_ldir_missing__file_absolute_same)	\
FUNC (compdir_absolute_ldir_missing__file_absolute_different)	\
FUNC (compdir_absolute_ldir_relative_file_basename)		\
FUNC (compdir_absolute_ldir_relative_file_relative)		\
FUNC (compdir_absolute_ldir_relative_file_absolute_same)	\
FUNC (compdir_absolute_ldir_relative_file_absolute_different)	\
FUNC (compdir_absolute_ldir_absolute_file_basename_same)	\
FUNC (compdir_absolute_ldir_absolute_file_basename_different)	\
FUNC (compdir_absolute_ldir_absolute_file_relative_same)	\
FUNC (compdir_absolute_ldir_absolute_file_relative_different)	\
FUNC (compdir_absolute_ldir_absolute_file_absolute_same)	\
FUNC (compdir_absolute_ldir_absolute_file_absolute_different)

#ifdef __mips__
#define START_INSNS asm (".insn\n");
#else
#define START_INSNS
#endif

/* Notes: (1) The '*_start' label below is needed because 'name' may
   point to a function descriptor instead of to the actual code.  (2)
   The '.balign' should specify the highest possible function
   alignment across all supported architectures, such that the label
   never points into the alignment gap.  */

#define FUNC(name)					\
  asm (".balign 8");					\
  asm (#name "_start: .globl " #name "_start\n");	\
  START_INSNS						\
  static void						\
  name (void)						\
  {							\
    v++;						\
  }							\
  asm (#name "_end: .globl " #name "_end\n");
FUNCBLOCK
#undef FUNC

int
main (void)
{

#define FUNC(name)					\
  name ();
FUNCBLOCK
#undef FUNC

  return 0;
}