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

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2012-2020 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 volatile int v;
  19
  20 static void
  21 marker (void)
  22 {
  23   v++;
  24 }
  25
  26 /* *R* marks possibly invalid compiler output as the first path component is
  27    not absolute.  Still DWARF-4 does not forbid such DWARF; GCC does not
  28    produce it.  */
  29
  30 #define FUNCBLOCK                                               \
  31 FUNC (compdir_missing__ldir_missing__file_basename)        /*R*/\
  32 FUNC (compdir_missing__ldir_missing__file_relative)        /*R*/\
  33 FUNC (compdir_missing__ldir_missing__file_absolute)             \
  34 FUNC (compdir_missing__ldir_relative_file_basename)        /*R*/\
  35 FUNC (compdir_missing__ldir_relative_file_relative)        /*R*/\
  36 FUNC (compdir_missing__ldir_relative_file_absolute)        /*R*/\
  37 FUNC (compdir_missing__ldir_absolute_file_basename)             \
  38 FUNC (compdir_missing__ldir_absolute_file_relative)             \
  39 FUNC (compdir_missing__ldir_absolute_file_absolute_same)        \
  40 FUNC (compdir_missing__ldir_absolute_file_absolute_different)   \
  41 FUNC (compdir_relative_ldir_missing__file_basename)        /*R*/\
  42 FUNC (compdir_relative_ldir_missing__file_relative)        /*R*/\
  43 FUNC (compdir_relative_ldir_missing__file_absolute)        /*R*/\
  44 FUNC (compdir_relative_ldir_relative_file_basename)        /*R*/\
  45 FUNC (compdir_relative_ldir_relative_file_relative)        /*R*/\
  46 FUNC (compdir_relative_ldir_relative_file_absolute)        /*R*/\
  47 FUNC (compdir_relative_ldir_absolute_file_basename)        /*R*/\
  48 FUNC (compdir_relative_ldir_absolute_file_relative)        /*R*/\
  49 FUNC (compdir_relative_ldir_absolute_file_absolute_same)   /*R*/\
  50 FUNC (compdir_relative_ldir_absolute_file_absolute_different) /*R*/\
  51 FUNC (compdir_absolute_ldir_missing__file_basename)             \
  52 FUNC (compdir_absolute_ldir_missing__file_relative)             \
  53 FUNC (compdir_absolute_ldir_missing__file_absolute_same)        \
  54 FUNC (compdir_absolute_ldir_missing__file_absolute_different)   \
  55 FUNC (compdir_absolute_ldir_relative_file_basename)             \
  56 FUNC (compdir_absolute_ldir_relative_file_relative)             \
  57 FUNC (compdir_absolute_ldir_relative_file_absolute_same)        \
  58 FUNC (compdir_absolute_ldir_relative_file_absolute_different)   \
  59 FUNC (compdir_absolute_ldir_absolute_file_basename_same)        \
  60 FUNC (compdir_absolute_ldir_absolute_file_basename_different)   \
  61 FUNC (compdir_absolute_ldir_absolute_file_relative_same)        \
  62 FUNC (compdir_absolute_ldir_absolute_file_relative_different)   \
  63 FUNC (compdir_absolute_ldir_absolute_file_absolute_same)        \
  64 FUNC (compdir_absolute_ldir_absolute_file_absolute_different)
  65
  66 #ifdef __mips__
  67 #define START_INSNS asm (".insn\n");
  68 #else
  69 #define START_INSNS
  70 #endif
  71
  72 /* Notes: (1) The '*_start' label below is needed because 'name' may
  73    point to a function descriptor instead of to the actual code.  (2)
  74    The '.balign' should specify the highest possible function
  75    alignment across all supported architectures, such that the label
  76    never points into the alignment gap.  */
  77
  78 #define FUNC(name)                                      \
  79   asm (".balign 8");                                    \
  80   asm (#name "_start: .globl " #name "_start\n");       \
  81   START_INSNS                                           \
  82   static void                                           \
  83   name (void)                                           \
  84   {                                                     \
  85     v++;                                                \
  86   }                                                     \
  87   asm (#name "_end: .globl " #name "_end\n");
  88 FUNCBLOCK
  89 #undef FUNC
  90
  91 int
  92 main (void)
  93 {
  94
  95 #define FUNC(name)                                      \
  96   name ();
  97 FUNCBLOCK
  98 #undef FUNC
  99
 100   return 0;
 101 }