xref: /dragonfly/contrib/gcc-4.7/gcc/insn-addr.h (revision cfd1aba3)
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 */
66