Mercurial > hg > truffle
annotate src/cpu/x86/vm/jniTypes_x86.hpp @ 4582:b24386206122
Made all vm builds go into subdirectories, even product builds to simplify building the various types of VMs (server, client and graal).
Made HotSpot build jobs use the number of CPUs on the host machine.
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Mon, 13 Feb 2012 23:13:37 +0100 |
| parents | f95d63e2154a |
| children | 120820e30baa |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef CPU_X86_VM_JNITYPES_X86_HPP |
| 26 #define CPU_X86_VM_JNITYPES_X86_HPP | |
| 27 | |
| 28 #include "memory/allocation.hpp" | |
| 29 #include "oops/oop.hpp" | |
| 30 #include "prims/jni.h" | |
| 31 | |
| 0 | 32 // This file holds platform-dependent routines used to write primitive jni |
| 33 // types to the array of arguments passed into JavaCalls::call | |
| 34 | |
| 35 class JNITypes : AllStatic { | |
| 36 // These functions write a java primitive type (in native format) | |
| 37 // to a java stack slot array to be passed as an argument to JavaCalls:calls. | |
| 38 // I.e., they are functionally 'push' operations if they have a 'pos' | |
| 39 // formal parameter. Note that jlong's and jdouble's are written | |
| 40 // _in reverse_ of the order in which they appear in the interpreter | |
| 41 // stack. This is because call stubs (see stubGenerator_sparc.cpp) | |
| 42 // reverse the argument list constructed by JavaCallArguments (see | |
| 43 // javaCalls.hpp). | |
| 44 | |
| 45 private: | |
| 46 | |
| 47 #ifndef AMD64 | |
| 48 // 32bit Helper routines. | |
| 49 static inline void put_int2r(jint *from, intptr_t *to) { *(jint *)(to++) = from[1]; | |
| 50 *(jint *)(to ) = from[0]; } | |
| 51 static inline void put_int2r(jint *from, intptr_t *to, int& pos) { put_int2r(from, to + pos); pos += 2; } | |
| 52 #endif // AMD64 | |
| 53 | |
| 54 public: | |
| 55 // Ints are stored in native format in one JavaCallArgument slot at *to. | |
| 56 static inline void put_int(jint from, intptr_t *to) { *(jint *)(to + 0 ) = from; } | |
| 57 static inline void put_int(jint from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = from; } | |
| 58 static inline void put_int(jint *from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = *from; } | |
| 59 | |
| 60 #ifdef AMD64 | |
| 61 // Longs are stored in native format in one JavaCallArgument slot at | |
| 62 // *(to+1). | |
| 63 static inline void put_long(jlong from, intptr_t *to) { | |
| 64 *(jlong*) (to + 1) = from; | |
| 65 } | |
| 66 | |
| 67 static inline void put_long(jlong from, intptr_t *to, int& pos) { | |
| 68 *(jlong*) (to + 1 + pos) = from; | |
| 69 pos += 2; | |
| 70 } | |
| 71 | |
| 72 static inline void put_long(jlong *from, intptr_t *to, int& pos) { | |
| 73 *(jlong*) (to + 1 + pos) = *from; | |
| 74 pos += 2; | |
| 75 } | |
| 76 #else | |
| 77 // Longs are stored in big-endian word format in two JavaCallArgument slots at *to. | |
| 78 // The high half is in *to and the low half in *(to+1). | |
| 79 static inline void put_long(jlong from, intptr_t *to) { put_int2r((jint *)&from, to); } | |
| 80 static inline void put_long(jlong from, intptr_t *to, int& pos) { put_int2r((jint *)&from, to, pos); } | |
| 81 static inline void put_long(jlong *from, intptr_t *to, int& pos) { put_int2r((jint *) from, to, pos); } | |
| 82 #endif // AMD64 | |
| 83 | |
| 84 // Oops are stored in native format in one JavaCallArgument slot at *to. | |
| 85 static inline void put_obj(oop from, intptr_t *to) { *(oop *)(to + 0 ) = from; } | |
| 86 static inline void put_obj(oop from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = from; } | |
| 87 static inline void put_obj(oop *from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = *from; } | |
| 88 | |
| 89 // Floats are stored in native format in one JavaCallArgument slot at *to. | |
| 90 static inline void put_float(jfloat from, intptr_t *to) { *(jfloat *)(to + 0 ) = from; } | |
| 91 static inline void put_float(jfloat from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = from; } | |
| 92 static inline void put_float(jfloat *from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = *from; } | |
| 93 | |
| 94 #undef _JNI_SLOT_OFFSET | |
| 95 #ifdef AMD64 | |
| 96 #define _JNI_SLOT_OFFSET 1 | |
| 97 // Doubles are stored in native word format in one JavaCallArgument | |
| 98 // slot at *(to+1). | |
| 99 static inline void put_double(jdouble from, intptr_t *to) { | |
| 100 *(jdouble*) (to + 1) = from; | |
| 101 } | |
| 102 | |
| 103 static inline void put_double(jdouble from, intptr_t *to, int& pos) { | |
| 104 *(jdouble*) (to + 1 + pos) = from; | |
| 105 pos += 2; | |
| 106 } | |
| 107 | |
| 108 static inline void put_double(jdouble *from, intptr_t *to, int& pos) { | |
| 109 *(jdouble*) (to + 1 + pos) = *from; | |
| 110 pos += 2; | |
| 111 } | |
| 112 #else | |
| 113 #define _JNI_SLOT_OFFSET 0 | |
| 114 // Doubles are stored in big-endian word format in two JavaCallArgument slots at *to. | |
| 115 // The high half is in *to and the low half in *(to+1). | |
| 116 static inline void put_double(jdouble from, intptr_t *to) { put_int2r((jint *)&from, to); } | |
| 117 static inline void put_double(jdouble from, intptr_t *to, int& pos) { put_int2r((jint *)&from, to, pos); } | |
| 118 static inline void put_double(jdouble *from, intptr_t *to, int& pos) { put_int2r((jint *) from, to, pos); } | |
| 119 #endif // AMD64 | |
| 120 | |
| 121 | |
| 122 // The get_xxx routines, on the other hand, actually _do_ fetch | |
| 123 // java primitive types from the interpreter stack. | |
| 124 // No need to worry about alignment on Intel. | |
| 125 static inline jint get_int (intptr_t *from) { return *(jint *) from; } | |
| 126 static inline jlong get_long (intptr_t *from) { return *(jlong *) (from + _JNI_SLOT_OFFSET); } | |
| 127 static inline oop get_obj (intptr_t *from) { return *(oop *) from; } | |
| 128 static inline jfloat get_float (intptr_t *from) { return *(jfloat *) from; } | |
| 129 static inline jdouble get_double(intptr_t *from) { return *(jdouble *)(from + _JNI_SLOT_OFFSET); } | |
| 130 #undef _JNI_SLOT_OFFSET | |
| 131 }; | |
| 1972 | 132 |
| 133 #endif // CPU_X86_VM_JNITYPES_X86_HPP |