gcc/insn-addr.h

   1 /* Macros to support INSN_ADDRESSES
   2    Copyright (C) 2000 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, 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301, USA.  */
  20
  21 #ifndef GCC_INSN_ADDR_H
  22 #define GCC_INSN_ADDR_H
  23
  24 #include "vecprim.h"
  25
  26 extern VEC(int,heap) *insn_addresses_;
  27 extern int insn_current_address;
  28
  29 #define INSN_ADDRESSES(id) (*&(VEC_address (int, insn_addresses_) [id]))
  30 #define INSN_ADDRESSES_ALLOC(size)                      \
  31   do                                                    \
  32     {                                                   \
  33       insn_addresses_ = VEC_alloc (int, heap, size);    \
  34       VEC_safe_grow (int, heap, insn_addresses_, size); \
  35       memset (VEC_address (int, insn_addresses_),       \
  36               0, sizeof (int) * size);                  \
  37     }                                                   \
  38   while (0)
  39 #define INSN_ADDRESSES_FREE() (VEC_free (int, heap, insn_addresses_))
  40 #define INSN_ADDRESSES_SET_P() (insn_addresses_ != 0)
  41 #define INSN_ADDRESSES_SIZE() (VEC_length (int, insn_addresses_))
  42
  43 static inline void
  44 insn_addresses_new (rtx insn, int insn_addr)
  45 {
  46   unsigned insn_uid = INSN_UID ((insn));
  47
  48   if (INSN_ADDRESSES_SET_P ())
  49     {
  50       size_t size = INSN_ADDRESSES_SIZE ();
  51       if (size <= insn_uid)
  52         {
  53           int *p;
  54           VEC_safe_grow (int, heap, insn_addresses_, insn_uid + 1);
  55           p = VEC_address (int, insn_addresses_);
  56           memset (&p[size],
  57                   0, sizeof (int) * (insn_uid + 1 - size));
  58         }
  59       INSN_ADDRESSES (insn_uid) = insn_addr;
  60     }
  61 }
  62
  63 #define INSN_ADDRESSES_NEW(insn, addr)          \
  64   (insn_addresses_new (insn, addr))
  65
  66 #endif /* ! GCC_INSN_ADDR_H */