Mercurial > jdk8-mips64-public > hotspot / annotate
src/cpu/sparc/vm/jniTypes_sparc.hpp@1d7922586cf6 (annotated)
src/cpu/sparc/vm/jniTypes_sparc.hpp
Tue, 24 Jul 2012 10:51:00 -0700
- author
- twisti
- date
- Tue, 24 Jul 2012 10:51:00 -0700
- changeset 3969
- 1d7922586cf6
- parent 2314
- f95d63e2154a
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
7023639: JSR 292 method handle invocation needs a fast path for compiled code
6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>
| duke@435 | 1 | /* |
| stefank@2314 | 2 | * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef CPU_SPARC_VM_JNITYPES_SPARC_HPP |
| stefank@2314 | 26 | #define CPU_SPARC_VM_JNITYPES_SPARC_HPP |
| stefank@2314 | 27 | |
| stefank@2314 | 28 | #include "memory/allocation.hpp" |
| stefank@2314 | 29 | #include "oops/oop.hpp" |
| stefank@2314 | 30 | #include "prims/jni.h" |
| stefank@2314 | 31 | |
| duke@435 | 32 | // This file holds platform-dependent routines used to write primitive jni |
| duke@435 | 33 | // types to the array of arguments passed into JavaCalls::call |
| duke@435 | 34 | |
| duke@435 | 35 | class JNITypes : AllStatic { |
| duke@435 | 36 | // These functions write a java primitive type (in native format) |
| duke@435 | 37 | // to a java stack slot array to be passed as an argument to JavaCalls:calls. |
| duke@435 | 38 | // I.e., they are functionally 'push' operations if they have a 'pos' |
| duke@435 | 39 | // formal parameter. Note that jlong's and jdouble's are written |
| duke@435 | 40 | // _in reverse_ of the order in which they appear in the interpreter |
| duke@435 | 41 | // stack. This is because call stubs (see stubGenerator_sparc.cpp) |
| duke@435 | 42 | // reverse the argument list constructed by JavaCallArguments (see |
| duke@435 | 43 | // javaCalls.hpp). |
| duke@435 | 44 | |
| duke@435 | 45 | private: |
| duke@435 | 46 | // Helper routines. |
| duke@435 | 47 | static inline void put_int2 (jint *from, jint *to) { to[0] = from[0]; to[1] = from[1]; } |
| duke@435 | 48 | static inline void put_int2 (jint *from, jint *to, int& pos) { put_int2 (from, (jint *)((intptr_t *)to + pos)); pos += 2; } |
| duke@435 | 49 | static inline void put_int2r(jint *from, jint *to) { to[0] = from[1]; to[1] = from[0]; } |
| duke@435 | 50 | static inline void put_int2r(jint *from, jint *to, int& pos) { put_int2r(from, (jint *)((intptr_t *)to + pos)); pos += 2; } |
| duke@435 | 51 | |
| duke@435 | 52 | public: |
| duke@435 | 53 | // Ints are stored in native format in one JavaCallArgument slot at *to. |
| duke@435 | 54 | static inline void put_int(jint from, intptr_t *to) { *(jint *)(to + 0 ) = from; } |
| duke@435 | 55 | static inline void put_int(jint from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = from; } |
| duke@435 | 56 | static inline void put_int(jint *from, intptr_t *to, int& pos) { *(jint *)(to + pos++) = *from; } |
| duke@435 | 57 | |
| duke@435 | 58 | #ifdef _LP64 |
| duke@435 | 59 | // Longs are stored in native format in one JavaCallArgument slot at *(to+1). |
| duke@435 | 60 | static inline void put_long(jlong from, intptr_t *to) { *(jlong *)(to + 1 + 0) = from; } |
| duke@435 | 61 | static inline void put_long(jlong from, intptr_t *to, int& pos) { *(jlong *)(to + 1 + pos) = from; pos += 2; } |
| duke@435 | 62 | static inline void put_long(jlong *from, intptr_t *to, int& pos) { *(jlong *)(to + 1 + pos) = *from; pos += 2; } |
| duke@435 | 63 | #else |
| duke@435 | 64 | // Longs are stored in reversed native word format in two JavaCallArgument slots at *to. |
| duke@435 | 65 | // The high half is in *(to+1) and the low half in *to. |
| duke@435 | 66 | static inline void put_long(jlong from, intptr_t *to) { put_int2r((jint *)&from, (jint *)to); } |
| duke@435 | 67 | static inline void put_long(jlong from, intptr_t *to, int& pos) { put_int2r((jint *)&from, (jint *)to, pos); } |
| duke@435 | 68 | static inline void put_long(jlong *from, intptr_t *to, int& pos) { put_int2r((jint *) from, (jint *)to, pos); } |
| duke@435 | 69 | #endif |
| duke@435 | 70 | |
| duke@435 | 71 | // Oops are stored in native format in one JavaCallArgument slot at *to. |
| duke@435 | 72 | static inline void put_obj(oop from, intptr_t *to) { *(oop *)(to + 0 ) = from; } |
| duke@435 | 73 | static inline void put_obj(oop from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = from; } |
| duke@435 | 74 | static inline void put_obj(oop *from, intptr_t *to, int& pos) { *(oop *)(to + pos++) = *from; } |
| duke@435 | 75 | |
| duke@435 | 76 | // Floats are stored in native format in one JavaCallArgument slot at *to. |
| duke@435 | 77 | static inline void put_float(jfloat from, intptr_t *to) { *(jfloat *)(to + 0 ) = from; } |
| duke@435 | 78 | static inline void put_float(jfloat from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = from; } |
| duke@435 | 79 | static inline void put_float(jfloat *from, intptr_t *to, int& pos) { *(jfloat *)(to + pos++) = *from; } |
| duke@435 | 80 | |
| duke@435 | 81 | #ifdef _LP64 |
| duke@435 | 82 | // Doubles are stored in native word format in one JavaCallArgument slot at *(to+1). |
| duke@435 | 83 | static inline void put_double(jdouble from, intptr_t *to) { *(jdouble *)(to + 1 + 0) = from; } |
| duke@435 | 84 | static inline void put_double(jdouble from, intptr_t *to, int& pos) { *(jdouble *)(to + 1 + pos) = from; pos += 2; } |
| duke@435 | 85 | static inline void put_double(jdouble *from, intptr_t *to, int& pos) { *(jdouble *)(to + 1 + pos) = *from; pos += 2; } |
| duke@435 | 86 | #else |
| duke@435 | 87 | // Doubles are stored in reversed native word format in two JavaCallArgument slots at *to. |
| duke@435 | 88 | static inline void put_double(jdouble from, intptr_t *to) { put_int2r((jint *)&from, (jint *)to); } |
| duke@435 | 89 | static inline void put_double(jdouble from, intptr_t *to, int& pos) { put_int2r((jint *)&from, (jint *)to, pos); } |
| duke@435 | 90 | static inline void put_double(jdouble *from, intptr_t *to, int& pos) { put_int2r((jint *) from, (jint *)to, pos); } |
| duke@435 | 91 | #endif |
| duke@435 | 92 | |
| duke@435 | 93 | // The get_xxx routines, on the other hand, actually _do_ fetch |
| duke@435 | 94 | // java primitive types from the interpreter stack. |
| duke@435 | 95 | static inline jint get_int(intptr_t *from) { return *(jint *)from; } |
| duke@435 | 96 | |
| duke@435 | 97 | #ifdef _LP64 |
| duke@435 | 98 | static inline jlong get_long(intptr_t *from) { return *(jlong *)from; } |
| duke@435 | 99 | #else |
| duke@435 | 100 | static inline jlong get_long(intptr_t *from) { return ((jlong)(*( signed int *)((jint *)from )) << 32) | |
| duke@435 | 101 | ((jlong)(*(unsigned int *)((jint *)from + 1)) << 0); } |
| duke@435 | 102 | #endif |
| duke@435 | 103 | |
| duke@435 | 104 | static inline oop get_obj(intptr_t *from) { return *(oop *)from; } |
| duke@435 | 105 | static inline jfloat get_float(intptr_t *from) { return *(jfloat *)from; } |
| duke@435 | 106 | |
| duke@435 | 107 | #ifdef _LP64 |
| duke@435 | 108 | static inline jdouble get_double(intptr_t *from) { return *(jdouble *)from; } |
| duke@435 | 109 | #else |
| duke@435 | 110 | static inline jdouble get_double(intptr_t *from) { jlong jl = ((jlong)(*( signed int *)((jint *)from )) << 32) | |
| duke@435 | 111 | ((jlong)(*(unsigned int *)((jint *)from + 1)) << 0); |
| duke@435 | 112 | return *(jdouble *)&jl; } |
| duke@435 | 113 | #endif |
| duke@435 | 114 | |
| duke@435 | 115 | }; |
| stefank@2314 | 116 | |
| stefank@2314 | 117 | #endif // CPU_SPARC_VM_JNITYPES_SPARC_HPP |
