gdb/selftest-arch.c

   1 /* GDB self-test for each gdbarch.
   2    Copyright (C) 2017-2022 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #include "defs.h"
  20 #include <functional>
  21
  22 #if GDB_SELF_TEST
  23 #include "gdbsupport/selftest.h"
  24 #include "selftest-arch.h"
  25 #include "arch-utils.h"
  26
  27 namespace selftests {
  28
  29 static bool skip_arch (const char *arch)
  30 {
  31   if (strcmp ("fr300", arch) == 0)
  32     {
  33       /* PR 20946 */
  34       return true;
  35     }
  36
  37   if (strcmp ("powerpc:EC603e", arch) == 0
  38       || strcmp ("powerpc:e500mc", arch) == 0
  39       || strcmp ("powerpc:e500mc64", arch) == 0
  40       || strcmp ("powerpc:titan", arch) == 0
  41       || strcmp ("powerpc:vle", arch) == 0
  42       || strcmp ("powerpc:e5500", arch) == 0
  43       || strcmp ("powerpc:e6500", arch) == 0)
  44     {
  45       /* PR 19797 */
  46       return true;
  47     }
  48
  49   return false;
  50 }
  51
  52 /* Generate a selftest for each gdbarch known to GDB.  */
  53
  54 static std::vector<selftest>
  55 foreach_arch_test_generator (const std::string &name,
  56                              self_test_foreach_arch_function *function)
  57 {
  58   std::vector<selftest> tests;
  59   std::vector<const char *> arches = gdbarch_printable_names ();
  60   tests.reserve (arches.size ());
  61   for (const char *arch : arches)
  62     {
  63       if (skip_arch (arch))
  64         continue;
  65
  66       auto test_fn
  67         = ([=] ()
  68            {
  69              /* Prevent warnings when setting architecture with current osabi
  70                 settings, like:
  71                   A handler for the OS ABI "GNU/Linux" is not built into this
  72                   configuration of GDB.  Attempting to continue with the
  73                   default aarch64:ilp32 settings.  */
  74              enum gdb_osabi_mode mode;
  75              enum gdb_osabi osabi;
  76              get_osabi (mode, osabi);
  77
  78              set_osabi (osabi_user, GDB_OSABI_NONE);
  79              SCOPE_EXIT
  80                {
  81                  reset ();
  82                  set_osabi (mode, osabi);
  83                };
  84
  85              struct gdbarch_info info;
  86              info.bfd_arch_info = bfd_scan_arch (arch);
  87              struct gdbarch *gdbarch = gdbarch_find_by_info (info);
  88              SELF_CHECK (gdbarch != NULL);
  89
  90              function (gdbarch);
  91            });
  92
  93       tests.emplace_back (string_printf ("%s::%s", name.c_str (), arch),
  94                           test_fn);
  95     }
  96   return tests;
  97 }
  98
  99 /* See selftest-arch.h.  */
 100
 101 void
 102 register_test_foreach_arch (const std::string &name,
 103                             self_test_foreach_arch_function *function)
 104 {
 105   add_lazy_generator ([=] ()
 106                       {
 107                         return foreach_arch_test_generator (name, function);
 108                       });
 109 }
 110
 111 void
 112 reset ()
 113 {
 114   /* Clear GDB internal state.  */
 115   registers_changed ();
 116   reinit_frame_cache ();
 117 }
 118 } // namespace selftests
 119 #endif /* GDB_SELF_TEST */