1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 /* 17 * Common defines for all Dalvik code. 18 */ 19 #ifndef _DALVIK_COMMON 20 #define _DALVIK_COMMON 21 22 #ifndef LOG_TAG 23 # define LOG_TAG "dalvikvm" 24 #endif 25 26 #include <stdio.h> 27 #include <assert.h> 28 29 #if !defined(NDEBUG) && defined(WITH_DALVIK_ASSERT) 30 # undef assert 31 # define assert(x) \ 32 ((x) ? ((void)0) : (LOGE("ASSERT FAILED (%s:%d): " #x "\n", \ 33 __FILE__, __LINE__), *(int*)39=39, 0) ) 34 #endif 35 36 37 /* 38 * If "very verbose" logging is enabled, make it equivalent to LOGV. 39 * Otherwise, make it disappear. 40 * 41 * Define this above the #include "Dalvik.h" to enable for only a 42 * single file. 43 */ 44 /* #define VERY_VERBOSE_LOG */ 45 #if defined(VERY_VERBOSE_LOG) 46 # define LOGVV LOGV 47 # define IF_LOGVV() IF_LOGV() 48 #else 49 # define LOGVV(...) ((void)0) 50 # define IF_LOGVV() if (false) 51 #endif 52 53 54 /* 55 * These match the definitions in the VM specification. 56 */ 57 #ifdef HAVE_STDINT_H 58 # include <stdint.h> /* C99 */ 59 typedef uint8_t u1; 60 typedef uint16_t u2; 61 typedef uint32_t u4; 62 typedef uint64_t u8; 63 typedef int8_t s1; 64 typedef int16_t s2; 65 typedef int32_t s4; 66 typedef int64_t s8; 67 #else 68 typedef unsigned char u1; 69 typedef unsigned short u2; 70 typedef unsigned int u4; 71 typedef unsigned long long u8; 72 typedef signed char s1; 73 typedef signed short s2; 74 typedef signed int s4; 75 typedef signed long long s8; 76 #endif 77 78 /* 79 * Storage for primitive types and object references. 80 * 81 * Some parts of the code (notably object field access) assume that values 82 * are "left aligned", i.e. given "JValue jv", "jv.i" and "*((s4*)&jv)" 83 * yield the same result. This seems to be guaranteed by gcc on big- and 84 * little-endian systems. 85 */ 86 typedef union JValue { 87 u1 z; 88 s1 b; 89 u2 c; 90 s2 s; 91 s4 i; 92 s8 j; 93 float f; 94 double d; 95 void* l; 96 } JValue; 97 98 /* 99 * Some systems might have this in <stdbool.h>. 100 */ 101 #ifndef __bool_true_false_are_defined 102 typedef enum { false=0, true=!false } bool; 103 #define __bool_true_false_are_defined 1 104 #endif 105 106 #define NELEM(x) ((int) (sizeof(x) / sizeof((x)[0]))) 107 108 109 #if defined(HAVE_ENDIAN_H) 110 # include <endian.h> 111 #else /*not HAVE_ENDIAN_H*/ 112 # define __BIG_ENDIAN 4321 113 # define __LITTLE_ENDIAN 1234 114 # if defined(HAVE_LITTLE_ENDIAN) 115 # define __BYTE_ORDER __LITTLE_ENDIAN 116 # else 117 # define __BYTE_ORDER __BIG_ENDIAN 118 # endif 119 #endif /*not HAVE_ENDIAN_H*/ 120 121 122 #if 0 123 /* 124 * Pretend we have the Android logging macros. These are replaced by the 125 * Android logging implementation. 126 */ 127 #define ANDROID_LOG_DEBUG 3 128 #define LOGV(...) LOG_PRI(2, 0, __VA_ARGS__) 129 #define LOGD(...) LOG_PRI(3, 0, __VA_ARGS__) 130 #define LOGI(...) LOG_PRI(4, 0, __VA_ARGS__) 131 #define LOGW(...) LOG_PRI(5, 0, __VA_ARGS__) 132 #define LOGE(...) LOG_PRI(6, 0, __VA_ARGS__) 133 #define MIN_LOG_LEVEL 2 134 135 #define LOG_PRI(priority, tag, ...) do { \ 136 if (priority >= MIN_LOG_LEVEL) { \ 137 dvmFprintf(stdout, "%s:%-4d ", __FILE__, __LINE__); \ 138 dvmFprintf(stdout, __VA_ARGS__); \ 139 } \ 140 } while(0) 141 #else 142 # include "utils/Log.h" 143 #endif 144 145 #endif /*_DALVIK_COMMON*/ 146