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1 /*
2  * Copyright (C) 2010 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 #include "Dalvik.h"
18 
19 #ifndef _DALVIK_VM_COMPILER_CODEGEN_ARM_CALLOUT_HELPER_H
20 #define _DALVIK_VM_COMPILER_CODEGEN_ARM_CALLOUT_HELPER_H
21 
22 /*
23  * Declare/comment prototypes of all native callout functions invoked by the
24  * JIT'ed code here and use the LOAD_FUNC_ADDR macro to load the address into
25  * a register. In this way we have a centralized place to find out all native
26  * helper functions and we can grep for LOAD_FUNC_ADDR to find out all the
27  * callsites.
28  */
29 
30 /* Load a statically compiled function address as a constant */
31 #define LOAD_FUNC_ADDR(cUnit, reg, addr) loadConstant(cUnit, reg, addr)
32 
33 /* Conversions */
34 float __aeabi_i2f(int op1);             // OP_INT_TO_FLOAT
35 int __aeabi_f2iz(float op1);            // OP_FLOAT_TO_INT
36 float __aeabi_d2f(double op1);          // OP_DOUBLE_TO_FLOAT
37 double __aeabi_f2d(float op1);          // OP_FLOAT_TO_DOUBLE
38 double __aeabi_i2d(int op1);            // OP_INT_TO_DOUBLE
39 int __aeabi_d2iz(double op1);           // OP_DOUBLE_TO_INT
40 float __aeabi_l2f(long op1);            // OP_LONG_TO_FLOAT
41 double __aeabi_l2d(long op1);           // OP_LONG_TO_DOUBLE
42 s8 dvmJitf2l(float op1);                // OP_FLOAT_TO_LONG
43 s8 dvmJitd2l(double op1);               // OP_DOUBLE_TO_LONG
44 
45 /* Single-precision FP arithmetics */
46 float __aeabi_fadd(float a, float b);   // OP_ADD_FLOAT[_2ADDR]
47 float __aeabi_fsub(float a, float b);   // OP_SUB_FLOAT[_2ADDR]
48 float __aeabi_fdiv(float a, float b);   // OP_DIV_FLOAT[_2ADDR]
49 float __aeabi_fmul(float a, float b);   // OP_MUL_FLOAT[_2ADDR]
50 float fmodf(float a, float b);          // OP_REM_FLOAT[_2ADDR]
51 
52 /* Double-precision FP arithmetics */
53 double __aeabi_dadd(double a, double b); // OP_ADD_DOUBLE[_2ADDR]
54 double __aeabi_dsub(double a, double b); // OP_SUB_DOUBLE[_2ADDR]
55 double __aeabi_ddiv(double a, double b); // OP_DIV_DOUBLE[_2ADDR]
56 double __aeabi_dmul(double a, double b); // OP_MUL_DOUBLE[_2ADDR]
57 double fmod(double a, double b);         // OP_REM_DOUBLE[_2ADDR]
58 
59 /* Integer arithmetics */
60 int __aeabi_idivmod(int op1, int op2);  // OP_REM_INT[_2ADDR|_LIT8|_LIT16]
61 int __aeabi_idiv(int op1, int op2);     // OP_DIV_INT[_2ADDR|_LIT8|_LIT16]
62 
63 /* Long long arithmetics - OP_REM_LONG[_2ADDR] & OP_DIV_LONG[_2ADDR] */
64 long long __aeabi_ldivmod(long long op1, long long op2);
65 
66 /* Originally declared in Sync.h */
67 bool dvmUnlockObject(struct Thread* self, struct Object* obj); //OP_MONITOR_EXIT
68 
69 /* Originally declared in oo/TypeCheck.h */
70 bool dvmCanPutArrayElement(const ClassObject* elemClass,   // OP_APUT_OBJECT
71                            const ClassObject* arrayClass);
72 int dvmInstanceofNonTrivial(const ClassObject* instance,   // OP_CHECK_CAST &&
73                             const ClassObject* clazz);     // OP_INSTANCE_OF
74 
75 /* Originally declared in oo/Array.h */
76 ArrayObject* dvmAllocArrayByClass(ClassObject* arrayClass, // OP_NEW_ARRAY
77                                   size_t length, int allocFlags);
78 
79 /* Originally declared in interp/InterpDefs.h */
80 bool dvmInterpHandleFillArrayData(ArrayObject* arrayObject,// OP_FILL_ARRAY_DATA
81                                   const u2* arrayData);
82 
83 /*
84  * Switch dispatch offset calculation for OP_PACKED_SWITCH & OP_SPARSE_SWITCH
85  * Used in CodegenDriver.c
86  * static s8 findPackedSwitchIndex(const u2* switchData, int testVal, int pc);
87  * static s8 findSparseSwitchIndex(const u2* switchData, int testVal, int pc);
88  */
89 
90 /*
91  * Resolve interface callsites - OP_INVOKE_INTERFACE & OP_INVOKE_INTERFACE_RANGE
92  *
93  * Originally declared in mterp/common/FindInterface.h and only comment it here
94  * due to the INLINE attribute.
95  *
96  * INLINE Method* dvmFindInterfaceMethodInCache(ClassObject* thisClass,
97  *  u4 methodIdx, const Method* method, DvmDex* methodClassDex)
98  */
99 
100 /* Originally declared in alloc/Alloc.h */
101 Object* dvmAllocObject(ClassObject* clazz, int flags);  // OP_NEW_INSTANCE
102 
103 /*
104  * Functions declared in gDvmInlineOpsTable[] are used for
105  * OP_EXECUTE_INLINE & OP_EXECUTE_INLINE_RANGE.
106  *
107  *      org_apache_harmony_dalvik_NativeTestTarget_emptyInlineMethod
108  *      javaLangString_charAt
109  *      javaLangString_compareTo
110  *      javaLangString_equals
111  *      javaLangString_indexOf_I
112  *      javaLangString_indexOf_II
113  *      javaLangString_length
114  *      javaLangMath_abs_int
115  *      javaLangMath_abs_long
116  *      javaLangMath_abs_float
117  *      javaLangMath_abs_double
118  *      javaLangMath_min_int
119  *      javaLangMath_max_int
120  *      javaLangMath_sqrt
121  *      javaLangMath_cos
122  *      javaLangMath_sin
123  */
124 double sqrt(double x);  // INLINE_MATH_SQRT
125 
126 /*
127  * The following functions are invoked through the compiler templates (declared
128  * in compiler/template/armv5te/footer.S:
129  *
130  *      __aeabi_cdcmple         // CMPG_DOUBLE
131  *      __aeabi_cfcmple         // CMPG_FLOAT
132  *      dvmLockObject           // MONITOR_ENTER
133  */
134 
135 #endif /* _DALVIK_VM_COMPILER_CODEGEN_ARM_CALLOUT_HELPER_H */
136