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      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 #ifdef __ANDROID__
     44 #ifndef LOG_TAG
     45 #define LOG_TAG   "VIXL"
     46 #endif
     47 #include <cutils/log.h>
     48 #endif
     49 
     50 #include <stdint.h>
     51 #include <inttypes.h>
     52 
     53 #include <assert.h>
     54 #include <stdarg.h>
     55 #include <stdio.h>
     56 #include <stdint.h>
     57 #include <stdlib.h>
     58 #include <stddef.h>
     59 #include "platform-vixl.h"
     60 
     61 
     62 typedef uint8_t byte;
     63 
     64 const int KBytes = 1024;
     65 const int MBytes = 1024 * KBytes;
     66 
     67 #ifdef __ANDROID__
     68   #define VIXL_ABORT() ALOGE("in %s, line %i", __FILE__, __LINE__); abort()
     69 #else
     70   #define VIXL_ABORT() printf("in %s, line %i", __FILE__, __LINE__); abort()
     71 #endif
     72 
     73 #ifdef DEBUG
     74   #define VIXL_ASSERT(condition) assert(condition)
     75   #define VIXL_CHECK(condition) VIXL_ASSERT(condition)
     76 #ifdef __ANDROID__
     77   #define VIXL_UNIMPLEMENTED() ALOGD("UNIMPLEMENTED\t"); VIXL_ABORT()
     78   #define VIXL_UNREACHABLE() ALOGD("UNREACHABLE\t"); VIXL_ABORT()
     79 #else
     80   #define VIXL_UNIMPLEMENTED() printf("UNIMPLEMENTED\t"); VIXL_ABORT()
     81   #define VIXL_UNREACHABLE() printf("UNREACHABLE\t"); VIXL_ABORT()
     82 #endif
     83 #else
     84   #define VIXL_ASSERT(condition) ((void) 0)
     85   #define VIXL_CHECK(condition) assert(condition)
     86   #define VIXL_UNIMPLEMENTED() ((void) 0)
     87   #define VIXL_UNREACHABLE() ((void) 0)
     88 #endif
     89 // This is not as powerful as template based assertions, but it is simple.
     90 // It assumes that the descriptions are unique. If this starts being a problem,
     91 // we can switch to a different implemention.
     92 #define VIXL_CONCAT(a, b) a##b
     93 #define VIXL_STATIC_ASSERT_LINE(line, condition) \
     94   typedef char VIXL_CONCAT(STATIC_ASSERT_LINE_, line)[(condition) ? 1 : -1] \
     95   __attribute__((unused))
     96 #define VIXL_STATIC_ASSERT(condition) VIXL_STATIC_ASSERT_LINE(__LINE__, condition) //NOLINT
     97 
     98 template <typename T> inline void USE(T) {}
     99 
    100 #ifdef __ANDROID__
    101   #define VIXL_ALIGNMENT_EXCEPTION() ALOGD("ALIGNMENT EXCEPTION\t"); VIXL_ABORT()   //NOLINT
    102 #else
    103   #define VIXL_ALIGNMENT_EXCEPTION() printf("ALIGNMENT EXCEPTION\t"); VIXL_ABORT()  //NOLINT
    104 #endif
    105 
    106 #endif  // VIXL_GLOBALS_H
    107