gcc/target-globals.c

   1 /* Target-dependent globals.
   2    Copyright (C) 2010  Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 3, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 #include "config.h"
  21 #include "system.h"
  22 #include "coretypes.h"
  23 #include "tm.h"
  24 #include "insn-config.h"
  25 #include "machmode.h"
  26 #include "ggc.h"
  27 #include "toplev.h"
  28 #include "target-globals.h"
  29 #include "flags.h"
  30 #include "regs.h"
  31 #include "rtl.h"
  32 #include "hard-reg-set.h"
  33 #include "reload.h"
  34 #include "expmed.h"
  35 #include "expr.h"
  36 #include "optabs.h"
  37 #include "libfuncs.h"
  38 #include "cfgloop.h"
  39
  40 #if SWITCHABLE_TARGET
  41 struct target_globals default_target_globals = {
  42   &default_target_flag_state,
  43   &default_target_regs,
  44   &default_target_rtl,
  45   &default_target_hard_regs,
  46   &default_target_reload,
  47   &default_target_expmed,
  48   &default_target_optabs,
  49   &default_target_libfuncs,
  50   &default_target_cfgloop
  51 };
  52
  53 struct target_globals *
  54 save_target_globals (void)
  55 {
  56   struct target_globals *g;
  57
  58   g = ggc_alloc_target_globals ();
  59   g->flag_state = XCNEW (struct target_flag_state);
  60   g->regs = XCNEW (struct target_regs);
  61   g->rtl = ggc_alloc_cleared_target_rtl ();
  62   g->hard_regs = XCNEW (struct target_hard_regs);
  63   g->reload = XCNEW (struct target_reload);
  64   g->expmed = XCNEW (struct target_expmed);
  65   g->optabs = XCNEW (struct target_optabs);
  66   g->libfuncs = ggc_alloc_cleared_target_libfuncs ();
  67   g->cfgloop = XCNEW (struct target_cfgloop);
  68   restore_target_globals (g);
  69   target_reinit ();
  70   return g;
  71 }
  72
  73 #endif