disas/libvixl/globals.h

   1 // Copyright 2013, ARM Limited
   2 // All rights reserved.
   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 notice,
  10 //     this list of conditions and the following disclaimer in the documentation
  11 //     and/or other materials provided with the distribution.
  12 //   * Neither the name of ARM Limited nor the names of its contributors may be
  13 //     used to endorse or promote products derived from this software without
  14 //     specific prior written permission.
  15 //
  16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
  17 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  20 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  22 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  23 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  24 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26
  27 #ifndef VIXL_GLOBALS_H
  28 #define VIXL_GLOBALS_H
  29
  30 // Get standard C99 macros for integer types.
  31 #ifndef __STDC_CONSTANT_MACROS
  32 #define __STDC_CONSTANT_MACROS
  33 #endif
  34
  35 #ifndef __STDC_LIMIT_MACROS
  36 #define __STDC_LIMIT_MACROS
  37 #endif
  38
  39 #ifndef __STDC_FORMAT_MACROS
  40 #define __STDC_FORMAT_MACROS
  41 #endif
  42
  43 #include <stdint.h>
  44 #include <inttypes.h>
  45
  46 #include <assert.h>
  47 #include <stdarg.h>
  48 #include <stdio.h>
  49 #include <stdint.h>
  50 #include <stdlib.h>
  51 #include <stddef.h>
  52 #include "platform.h"
  53
  54
  55 typedef uint8_t byte;
  56
  57 const int KBytes = 1024;
  58 const int MBytes = 1024 * KBytes;
  59
  60 #define VIXL_ABORT() printf("in %s, line %i", __FILE__, __LINE__); abort()
  61 #ifdef VIXL_DEBUG
  62   #define VIXL_ASSERT(condition) assert(condition)
  63   #define VIXL_CHECK(condition) VIXL_ASSERT(condition)
  64   #define VIXL_UNIMPLEMENTED() printf("UNIMPLEMENTED\t"); VIXL_ABORT()
  65   #define VIXL_UNREACHABLE() printf("UNREACHABLE\t"); VIXL_ABORT()
  66 #else
  67   #define VIXL_ASSERT(condition) ((void) 0)
  68   #define VIXL_CHECK(condition) assert(condition)
  69   #define VIXL_UNIMPLEMENTED() ((void) 0)
  70   #define VIXL_UNREACHABLE() ((void) 0)
  71 #endif
  72 // This is not as powerful as template based assertions, but it is simple.
  73 // It assumes that the descriptions are unique. If this starts being a problem,
  74 // we can switch to a different implemention.
  75 #define VIXL_CONCAT(a, b) a##b
  76 #define VIXL_STATIC_ASSERT_LINE(line, condition) \
  77   typedef char VIXL_CONCAT(STATIC_ASSERT_LINE_, line)[(condition) ? 1 : -1] \
  78   __attribute__((unused))
  79 #define VIXL_STATIC_ASSERT(condition) VIXL_STATIC_ASSERT_LINE(__LINE__, condition) //NOLINT
  80
  81 template <typename T> inline void USE(T) {}
  82
  83 #define VIXL_ALIGNMENT_EXCEPTION() printf("ALIGNMENT EXCEPTION\t"); VIXL_ABORT()
  84
  85 #endif  // VIXL_GLOBALS_H