gcc/targhooks.h

   1 /* Default target hook functions.
   2    Copyright (C) 2003, 2004 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 2, 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 COPYING.  If not, write to the Free
  18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  19 02111-1307, USA.  */
  20
  21 extern void default_external_libcall (rtx);
  22
  23 extern enum machine_mode default_cc_modes_compatible (enum machine_mode,
  24                                                       enum machine_mode);
  25
  26 extern bool default_return_in_memory (tree, tree);
  27
  28 extern rtx default_expand_builtin_saveregs (void);
  29 extern void default_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode, tree, int *, int);
  30 extern rtx default_builtin_setjmp_frame_value (void);
  31 extern bool default_pretend_outgoing_varargs_named (CUMULATIVE_ARGS *);
  32 extern tree default_fold_builtin (tree t, bool ignore);
  33
  34 extern enum machine_mode default_eh_return_filter_mode (void);
  35 extern unsigned HOST_WIDE_INT default_shift_truncation_mask
  36   (enum machine_mode);
  37
  38 extern tree default_cxx_guard_type (void);
  39 extern tree default_cxx_get_cookie_size (tree);
  40
  41 extern bool hook_pass_by_reference_must_pass_in_stack
  42   (CUMULATIVE_ARGS *, enum machine_mode mode, tree, bool);
  43 extern bool hook_callee_copies_named
  44   (CUMULATIVE_ARGS *ca, enum machine_mode, tree, bool);
  45
  46 extern void default_unwind_emit (FILE *, rtx);
  47
  48 extern bool default_scalar_mode_supported_p (enum machine_mode);
  49
  50 /* These are here, and not in hooks.[ch], because not all users of
  51    hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS.  */
  52
  53 extern bool hook_bool_CUMULATIVE_ARGS_false (CUMULATIVE_ARGS *);
  54 extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS *);
  55
  56 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
  57   (CUMULATIVE_ARGS *, enum machine_mode, tree, bool);
  58 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true
  59   (CUMULATIVE_ARGS *, enum machine_mode, tree, bool);