Wed, 15 Apr 2020 11:49:55 +0800
Merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * Copyright 2012, 2013 SAP AG. All rights reserved. |
aoqi@0 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 5 | * |
aoqi@0 | 6 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 7 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 8 | * published by the Free Software Foundation. |
aoqi@0 | 9 | * |
aoqi@0 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 14 | * accompanied this code). |
aoqi@0 | 15 | * |
aoqi@0 | 16 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 19 | * |
aoqi@0 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 21 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 22 | * questions. |
aoqi@0 | 23 | * |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | #ifndef CPU_PPC_VM_JNITYPES_PPC_HPP |
aoqi@0 | 27 | #define CPU_PPC_VM_JNITYPES_PPC_HPP |
aoqi@0 | 28 | |
aoqi@0 | 29 | #include "memory/allocation.hpp" |
aoqi@0 | 30 | #include "oops/oop.hpp" |
aoqi@0 | 31 | #include "prims/jni.h" |
aoqi@0 | 32 | |
aoqi@0 | 33 | // This file holds platform-dependent routines used to write primitive |
aoqi@0 | 34 | // jni types to the array of arguments passed into JavaCalls::call. |
aoqi@0 | 35 | |
aoqi@0 | 36 | class JNITypes : AllStatic { |
aoqi@0 | 37 | // These functions write a java primitive type (in native format) to |
aoqi@0 | 38 | // a java stack slot array to be passed as an argument to |
aoqi@0 | 39 | // JavaCalls:calls. I.e., they are functionally 'push' operations |
aoqi@0 | 40 | // if they have a 'pos' formal parameter. Note that jlong's and |
aoqi@0 | 41 | // jdouble's are written _in reverse_ of the order in which they |
aoqi@0 | 42 | // appear in the interpreter stack. This is because call stubs (see |
aoqi@0 | 43 | // stubGenerator_sparc.cpp) reverse the argument list constructed by |
aoqi@0 | 44 | // JavaCallArguments (see javaCalls.hpp). |
aoqi@0 | 45 | |
aoqi@0 | 46 | private: |
aoqi@0 | 47 | |
aoqi@0 | 48 | #ifndef PPC64 |
aoqi@0 | 49 | #error "ppc32 support currently not implemented!!!" |
aoqi@0 | 50 | #endif // PPC64 |
aoqi@0 | 51 | |
aoqi@0 | 52 | public: |
aoqi@0 | 53 | // Ints are stored in native format in one JavaCallArgument slot at *to. |
aoqi@0 | 54 | static inline void put_int(jint from, intptr_t *to) { *(jint *)(to + 0 ) = from; } |
aoqi@0 | 55 | static inline void put_int(jint from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = from; } |
aoqi@0 | 56 | static inline void put_int(jint *from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = *from; } |
aoqi@0 | 57 | |
aoqi@0 | 58 | // Longs are stored in native format in one JavaCallArgument slot at |
aoqi@0 | 59 | // *(to+1). |
aoqi@0 | 60 | static inline void put_long(jlong from, intptr_t *to) { |
aoqi@0 | 61 | *(jlong*) (to + 1) = from; |
aoqi@0 | 62 | } |
aoqi@0 | 63 | |
aoqi@0 | 64 | static inline void put_long(jlong from, intptr_t *to, int& pos) { |
aoqi@0 | 65 | *(jlong*) (to + 1 + pos) = from; |
aoqi@0 | 66 | pos += 2; |
aoqi@0 | 67 | } |
aoqi@0 | 68 | |
aoqi@0 | 69 | static inline void put_long(jlong *from, intptr_t *to, int& pos) { |
aoqi@0 | 70 | *(jlong*) (to + 1 + pos) = *from; |
aoqi@0 | 71 | pos += 2; |
aoqi@0 | 72 | } |
aoqi@0 | 73 | |
aoqi@0 | 74 | // Oops are stored in native format in one JavaCallArgument slot at *to. |
aoqi@0 | 75 | static inline void put_obj(oop from, intptr_t *to) { *(oop *)(to + 0 ) = from; } |
aoqi@0 | 76 | static inline void put_obj(oop from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = from; } |
aoqi@0 | 77 | static inline void put_obj(oop *from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = *from; } |
aoqi@0 | 78 | |
aoqi@0 | 79 | // Floats are stored in native format in one JavaCallArgument slot at *to. |
aoqi@0 | 80 | static inline void put_float(jfloat from, intptr_t *to) { *(jfloat *)(to + 0 ) = from; } |
aoqi@0 | 81 | static inline void put_float(jfloat from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = from; } |
aoqi@0 | 82 | static inline void put_float(jfloat *from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = *from; } |
aoqi@0 | 83 | |
aoqi@0 | 84 | // Doubles are stored in native word format in one JavaCallArgument |
aoqi@0 | 85 | // slot at *(to+1). |
aoqi@0 | 86 | static inline void put_double(jdouble from, intptr_t *to) { |
aoqi@0 | 87 | *(jdouble*) (to + 1) = from; |
aoqi@0 | 88 | } |
aoqi@0 | 89 | |
aoqi@0 | 90 | static inline void put_double(jdouble from, intptr_t *to, int& pos) { |
aoqi@0 | 91 | *(jdouble*) (to + 1 + pos) = from; |
aoqi@0 | 92 | pos += 2; |
aoqi@0 | 93 | } |
aoqi@0 | 94 | |
aoqi@0 | 95 | static inline void put_double(jdouble *from, intptr_t *to, int& pos) { |
aoqi@0 | 96 | *(jdouble*) (to + 1 + pos) = *from; |
aoqi@0 | 97 | pos += 2; |
aoqi@0 | 98 | } |
aoqi@0 | 99 | |
aoqi@0 | 100 | // The get_xxx routines, on the other hand, actually _do_ fetch |
aoqi@0 | 101 | // java primitive types from the interpreter stack. |
aoqi@0 | 102 | // No need to worry about alignment on Intel. |
aoqi@0 | 103 | static inline jint get_int (intptr_t *from) { return *(jint *) from; } |
aoqi@0 | 104 | static inline jlong get_long (intptr_t *from) { return *(jlong *) (from + 1); } |
aoqi@0 | 105 | static inline oop get_obj (intptr_t *from) { return *(oop *) from; } |
aoqi@0 | 106 | static inline jfloat get_float (intptr_t *from) { return *(jfloat *) from; } |
aoqi@0 | 107 | static inline jdouble get_double(intptr_t *from) { return *(jdouble *)(from + 1); } |
aoqi@0 | 108 | }; |
aoqi@0 | 109 | |
aoqi@0 | 110 | #endif // CPU_PPC_VM_JNITYPES_PPC_HPP |