Mercurial > hg > graal-compiler
view src/cpu/zero/vm/jniTypes_zero.hpp @ 4606:ad0440b099ff
Merge
author | Christian Haeubl <christian.haeubl@oracle.com> |
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date | Thu, 16 Feb 2012 16:32:14 -0800 |
parents | f95d63e2154a |
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/* * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef CPU_ZERO_VM_JNITYPES_ZERO_HPP #define CPU_ZERO_VM_JNITYPES_ZERO_HPP #include "memory/allocation.hpp" #include "oops/oop.hpp" #include "prims/jni.h" // This file holds platform-dependent routines used to write primitive jni // types to the array of arguments passed into JavaCalls::call class JNITypes : AllStatic { // These functions write a java primitive type (in native format) // to a java stack slot array to be passed as an argument to JavaCalls:calls. // I.e., they are functionally 'push' operations if they have a 'pos' // formal parameter. Note that jlong's and jdouble's are written // _in reverse_ of the order in which they appear in the interpreter // stack. This is because call stubs (see stubGenerator_zero.cpp) // reverse the argument list constructed by JavaCallArguments (see // javaCalls.hpp). private: // Helper routines. static inline void put_int2 (jint *from, jint *to) { to[0] = from[0]; to[1] = from[1]; } static inline void put_int2 (jint *from, jint *to, int& pos) { put_int2 (from, (jint *)((intptr_t *)to + pos)); pos += 2; } static inline void put_int2r(jint *from, jint *to) { to[0] = from[1]; to[1] = from[0]; } static inline void put_int2r(jint *from, jint *to, int& pos) { put_int2r(from, (jint *)((intptr_t *)to + pos)); pos += 2; } public: // Ints are stored in native format in one JavaCallArgument slot at *to. static inline void put_int(jint from, intptr_t *to) { *(jint *)(to + 0 ) = from; } static inline void put_int(jint from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = from; } static inline void put_int(jint *from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = *from; } #ifdef _LP64 // Longs are stored in native format in one JavaCallArgument slot at *(to+1). static inline void put_long(jlong from, intptr_t *to) { *(jlong *)(to + 1 + 0) = from; } static inline void put_long(jlong from, intptr_t *to, int& pos) { *(jlong *)(to + 1 + pos) = from; pos += 2; } static inline void put_long(jlong *from, intptr_t *to, int& pos) { *(jlong *)(to + 1 + pos) = *from; pos += 2; } #else // Longs are stored in reversed native word format in two JavaCallArgument slots at *to. // The high half is in *(to+1) and the low half in *to. static inline void put_long(jlong from, intptr_t *to) { put_int2r((jint *)&from, (jint *)to); } static inline void put_long(jlong from, intptr_t *to, int& pos) { put_int2r((jint *)&from, (jint *)to, pos); } static inline void put_long(jlong *from, intptr_t *to, int& pos) { put_int2r((jint *) from, (jint *)to, pos); } #endif // Oops are stored in native format in one JavaCallArgument slot at *to. static inline void put_obj(oop from, intptr_t *to) { *(oop *)(to + 0 ) = from; } static inline void put_obj(oop from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = from; } static inline void put_obj(oop *from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = *from; } // Floats are stored in native format in one JavaCallArgument slot at *to. static inline void put_float(jfloat from, intptr_t *to) { *(jfloat *)(to + 0 ) = from; } static inline void put_float(jfloat from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = from; } static inline void put_float(jfloat *from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = *from; } #ifdef _LP64 // Doubles are stored in native word format in one JavaCallArgument slot at *(to+1). static inline void put_double(jdouble from, intptr_t *to) { *(jdouble *)(to + 1 + 0) = from; } static inline void put_double(jdouble from, intptr_t *to, int& pos) { *(jdouble *)(to + 1 + pos) = from; pos += 2; } static inline void put_double(jdouble *from, intptr_t *to, int& pos) { *(jdouble *)(to + 1 + pos) = *from; pos += 2; } #else // Doubles are stored in reversed native word format in two JavaCallArgument slots at *to. static inline void put_double(jdouble from, intptr_t *to) { put_int2r((jint *)&from, (jint *)to); } static inline void put_double(jdouble from, intptr_t *to, int& pos) { put_int2r((jint *)&from, (jint *)to, pos); } static inline void put_double(jdouble *from, intptr_t *to, int& pos) { put_int2r((jint *) from, (jint *)to, pos); } #endif // The get_xxx routines, on the other hand, actually _do_ fetch // java primitive types from the interpreter stack. static inline jint get_int(intptr_t *from) { return *(jint *)from; } #ifdef _LP64 static inline jlong get_long(intptr_t *from) { return *(jlong *)from; } #else static inline jlong get_long(intptr_t *from) { return ((jlong)(*( signed int *)((jint *)from )) << 32) | ((jlong)(*(unsigned int *)((jint *)from + 1)) << 0); } #endif static inline oop get_obj(intptr_t *from) { return *(oop *)from; } static inline jfloat get_float(intptr_t *from) { return *(jfloat *)from; } #ifdef _LP64 static inline jdouble get_double(intptr_t *from) { return *(jdouble *)from; } #else static inline jdouble get_double(intptr_t *from) { jlong jl = ((jlong)(*( signed int *)((jint *)from )) << 32) | ((jlong)(*(unsigned int *)((jint *)from + 1)) << 0); return *(jdouble *)&jl; } #endif }; #endif // CPU_ZERO_VM_JNITYPES_ZERO_HPP