2 * Copyright (C) 2008 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 * Common defines for all Dalvik code.
20 #ifndef _DALVIK_COMMON
21 #define _DALVIK_COMMON
24 # define LOG_TAG "dalvikvm"
30 #if !defined(NDEBUG) && defined(WITH_DALVIK_ASSERT)
33 ((x) ? ((void)0) : (LOGE("ASSERT FAILED (%s:%d): %s\n", \
34 __FILE__, __LINE__, #x), *(int*)39=39, 0) )
39 * If "very verbose" logging is enabled, make it equivalent to LOGV.
40 * Otherwise, make it disappear.
42 * Define this above the #include "Dalvik.h" to enable for only a
45 /* #define VERY_VERBOSE_LOG */
46 #if defined(VERY_VERBOSE_LOG)
48 # define IF_LOGVV() IF_LOGV()
50 # define LOGVV(...) ((void)0)
51 # define IF_LOGVV() if (false)
56 * These match the definitions in the VM specification.
59 # include <stdint.h> /* C99 */
69 typedef unsigned char u1;
70 typedef unsigned short u2;
71 typedef unsigned int u4;
72 typedef unsigned long long u8;
73 typedef signed char s1;
74 typedef signed short s2;
75 typedef signed int s4;
76 typedef signed long long s8;
80 * Storage for primitive types and object references.
82 * Some parts of the code (notably object field access) assume that values
83 * are "left aligned", i.e. given "JValue jv", "jv.i" and "*((s4*)&jv)"
84 * yield the same result. This seems to be guaranteed by gcc on big- and
85 * little-endian systems.
87 typedef union JValue {
100 * The <stdbool.h> definition uses _Bool, a type known to the compiler.
102 #ifdef HAVE_STDBOOL_H
103 # include <stdbool.h> /* C99 */
105 # ifndef __bool_true_false_are_defined
106 typedef enum { false=0, true=!false } bool;
107 # define __bool_true_false_are_defined 1
111 #define NELEM(x) ((int) (sizeof(x) / sizeof((x)[0])))
114 #if defined(HAVE_ENDIAN_H)
116 #else /*not HAVE_ENDIAN_H*/
117 # define __BIG_ENDIAN 4321
118 # define __LITTLE_ENDIAN 1234
119 # if defined(HAVE_LITTLE_ENDIAN)
120 # define __BYTE_ORDER __LITTLE_ENDIAN
122 # define __BYTE_ORDER __BIG_ENDIAN
124 #endif /*not HAVE_ENDIAN_H*/
129 * Pretend we have the Android logging macros. These are replaced by the
130 * Android logging implementation.
132 #define ANDROID_LOG_DEBUG 3
133 #define LOGV(...) LOG_PRI(2, 0, __VA_ARGS__)
134 #define LOGD(...) LOG_PRI(3, 0, __VA_ARGS__)
135 #define LOGI(...) LOG_PRI(4, 0, __VA_ARGS__)
136 #define LOGW(...) LOG_PRI(5, 0, __VA_ARGS__)
137 #define LOGE(...) LOG_PRI(6, 0, __VA_ARGS__)
138 #define MIN_LOG_LEVEL 2
140 #define LOG_PRI(priority, tag, ...) do { \
141 if (priority >= MIN_LOG_LEVEL) { \
142 dvmFprintf(stdout, "%s:%-4d ", __FILE__, __LINE__); \
143 dvmFprintf(stdout, __VA_ARGS__); \
147 # include "utils/Log.h"
150 #endif /*_DALVIK_COMMON*/