gcc/insn-addr.h

   1 /* Macros to support INSN_ADDRESSES
   2    Copyright (C) 2000-2017 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 extern vec<int> insn_addresses_;
  24 extern int insn_current_address;
  25
  26 #define INSN_ADDRESSES(id) (insn_addresses_[id])
  27 #define INSN_ADDRESSES_ALLOC(size)                      \
  28   do                                                    \
  29     {                                                   \
  30       insn_addresses_.create (size);                    \
  31       insn_addresses_.safe_grow_cleared (size);         \
  32       memset (insn_addresses_.address (),               \
  33               0, sizeof (int) * size);                  \
  34     }                                                   \
  35   while (0)
  36 #define INSN_ADDRESSES_FREE() (insn_addresses_.release ())
  37 #define INSN_ADDRESSES_SET_P() (insn_addresses_.exists ())
  38 #define INSN_ADDRESSES_SIZE() (insn_addresses_.length ())
  39
  40 static inline void
  41 insn_addresses_new (rtx_insn *insn, int insn_addr)
  42 {
  43   unsigned insn_uid = INSN_UID ((insn));
  44
  45   if (INSN_ADDRESSES_SET_P ())
  46     {
  47       size_t size = INSN_ADDRESSES_SIZE ();
  48       if (size <= insn_uid)
  49         {
  50           int *p;
  51           insn_addresses_.safe_grow (insn_uid + 1);
  52           p = insn_addresses_.address ();
  53           memset (&p[size],
  54                   0, sizeof (int) * (insn_uid + 1 - size));
  55         }
  56       INSN_ADDRESSES (insn_uid) = insn_addr;
  57     }
  58 }
  59
  60 #define INSN_ADDRESSES_NEW(insn, addr)          \
  61   (insn_addresses_new (insn, addr))
  62
  63 #endif /* ! GCC_INSN_ADDR_H */