gcc/insn-addr.h

   1 /* Macros to support INSN_ADDRESSES
   2    Copyright (C) 2000, 2007 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 #ifndef GCC_INSN_ADDR_H
  21 #define GCC_INSN_ADDR_H
  22
  23 #include "vecprim.h"
  24
  25 extern VEC(int,heap) *insn_addresses_;
  26 extern int insn_current_address;
  27
  28 #define INSN_ADDRESSES(id) (*&(VEC_address (int, insn_addresses_) [id]))
  29 #define INSN_ADDRESSES_ALLOC(size)                      \
  30   do                                                    \
  31     {                                                   \
  32       insn_addresses_ = VEC_alloc (int, heap, size);    \
  33       VEC_safe_grow (int, heap, insn_addresses_, size); \
  34       memset (VEC_address (int, insn_addresses_),       \
  35               0, sizeof (int) * size);                  \
  36     }                                                   \
  37   while (0)
  38 #define INSN_ADDRESSES_FREE() (VEC_free (int, heap, insn_addresses_))
  39 #define INSN_ADDRESSES_SET_P() (insn_addresses_ != 0)
  40 #define INSN_ADDRESSES_SIZE() (VEC_length (int, insn_addresses_))
  41
  42 static inline void
  43 insn_addresses_new (rtx insn, int insn_addr)
  44 {
  45   unsigned insn_uid = INSN_UID ((insn));
  46
  47   if (INSN_ADDRESSES_SET_P ())
  48     {
  49       size_t size = INSN_ADDRESSES_SIZE ();
  50       if (size <= insn_uid)
  51         {
  52           int *p;
  53           VEC_safe_grow (int, heap, insn_addresses_, insn_uid + 1);
  54           p = VEC_address (int, insn_addresses_);
  55           memset (&p[size],
  56                   0, sizeof (int) * (insn_uid + 1 - size));
  57         }
  58       INSN_ADDRESSES (insn_uid) = insn_addr;
  59     }
  60 }
  61
  62 #define INSN_ADDRESSES_NEW(insn, addr)          \
  63   (insn_addresses_new (insn, addr))
  64
  65 #endif /* ! GCC_INSN_ADDR_H */