src/freedreno/rnn/util.h

   1 /*
   2  * Copyright (C) 2010-2011 Marcin Kościelnicki <koriakin@0x04.net>
   3  * Copyright (C) 2010 Francisco Jerez <currojerez@riseup.net>
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23  * OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #ifndef UTIL_H
  27 #define UTIL_H
  28
  29 #include <stdlib.h>
  30 #include <stdio.h>
  31 #include <inttypes.h>
  32
  33 #define ADDARRAY(a, e) \
  34         do { \
  35         if ((a ## num) >= (a ## max)) { \
  36                 if (!(a ## max)) \
  37                         (a ## max) = 16; \
  38                 else \
  39                         (a ## max) *= 2; \
  40                 (a) = realloc((a), (a ## max)*sizeof(*(a))); \
  41         } \
  42         (a)[(a ## num)++] = (e); \
  43         } while(0)
  44
  45 #define FINDARRAY(a, tmp, pred)                         \
  46         ({                                                      \
  47                 int __i;                                        \
  48                                                                 \
  49                 for (__i = 0; __i < (a ## num); __i++) {        \
  50                         tmp = (a)[__i];                         \
  51                         if (pred)                               \
  52                                 break;                          \
  53                 }                                               \
  54                                                                 \
  55                 tmp = ((pred) ? tmp : NULL);                    \
  56         })
  57
  58 /* ceil(log2(x)) */
  59 static inline int clog2(uint64_t x) {
  60         if (!x)
  61                 return x;
  62         int r = 0;
  63         while (x - 1 > (1ull << r) - 1)
  64                 r++;
  65         return r;
  66 }
  67
  68 #define ARRAY_SIZE(a) (sizeof (a) / sizeof *(a))
  69
  70 #define min(a,b)                                \
  71         ({                                      \
  72                 typeof (a) _a = (a);            \
  73                 typeof (b) _b = (b);            \
  74                 _a < _b ? _a : _b;              \
  75         })
  76
  77 #define max(a,b)                                \
  78         ({                                      \
  79                 typeof (a) _a = (a);            \
  80                 typeof (b) _b = (b);            \
  81                 _a > _b ? _a : _b;              \
  82         })
  83
  84 #define CEILDIV(a, b) (((a) + (b) - 1)/(b))
  85
  86 #define extr(a, b, c) ((uint64_t)(a) << (64 - (b) - (c)) >> (64 - (c)))
  87 #define extrs(a, b, c) ((int64_t)(a) << (64 - (b) - (c)) >> (64 - (c)))
  88 #define sext(a, b) extrs(a, 0, b+1)
  89 #define bflmask(a) ((2ull << ((a)-1)) - 1)
  90 #define insrt(a, b, c, d) ((a) = ((a) & ~(bflmask(c) << (b))) | ((d) & bflmask(c)) << (b))
  91
  92 struct envy_loc {
  93         int lstart;
  94         int cstart;
  95         int lend;
  96         int cend;
  97         const char *file;
  98 };
  99
 100 #define LOC_FORMAT(loc, str) "%s:%d.%d-%d.%d: " str, (loc).file, (loc).lstart, (loc).cstart, (loc).lend, (loc).cend
 101
 102 uint32_t elf_hash(const char *str);
 103
 104 FILE *find_in_path(const char *name, const char *path, char **pfullname);
 105
 106 struct astr {
 107         char *str;
 108         size_t len;
 109 };
 110
 111 void print_escaped_astr(FILE *out, struct astr *astr);
 112
 113 char *aprintf(const char *format, ...);
 114
 115 #endif