1 | /* |
2 | * Copyright (c) 2015-2016, Intel Corporation |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions are met: |
6 | * |
7 | * * Redistributions of source code must retain the above copyright notice, |
8 | * this list of conditions and the following disclaimer. |
9 | * * Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * * Neither the name of Intel Corporation nor the names of its contributors |
13 | * may be used to endorse or promote products derived from this software |
14 | * without specific prior written permission. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
26 | * POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | |
29 | #ifndef ROSE_BUILD_UTIL_H |
30 | #define ROSE_BUILD_UTIL_H |
31 | |
32 | #include "rose_graph.h" |
33 | #include "util/graph.h" |
34 | |
35 | #include <algorithm> |
36 | |
37 | namespace ue2 { |
38 | |
39 | /** Max allowed width for transient graphs in block mode */ |
40 | #define ROSE_BLOCK_TRANSIENT_MAX_WIDTH 255U |
41 | |
42 | /** |
43 | * \brief Add two Rose depths together, coping correctly with infinity at |
44 | * ROSE_BOUND_INF. |
45 | */ |
46 | static inline |
47 | u32 add_rose_depth(u32 a, u32 b) { |
48 | assert(a <= ROSE_BOUND_INF); |
49 | assert(b <= ROSE_BOUND_INF); |
50 | |
51 | if (a == ROSE_BOUND_INF || b == ROSE_BOUND_INF) { |
52 | return ROSE_BOUND_INF; |
53 | } |
54 | |
55 | u32 rv = a + b; |
56 | assert(rv >= a && rv >= b); |
57 | return rv; |
58 | } |
59 | |
60 | } // namespace ue2 |
61 | |
62 | #endif // ROSE_BUILD_UTIL_H |
63 | |