Thu, 27 Jan 2011 16:11:27 -0800
6990754: Use native memory and reference counting to implement SymbolTable
Summary: move symbols from permgen into C heap and reference count them
Reviewed-by: never, acorn, jmasa, stefank
duke@435 | 1 | /* |
stefank@2314 | 2 | * Copyright (c) 1997, 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 SHARE_VM_LIBADT_PORT_HPP |
stefank@2314 | 26 | #define SHARE_VM_LIBADT_PORT_HPP |
stefank@2314 | 27 | |
stefank@2314 | 28 | #include "utilities/top.hpp" |
stefank@2314 | 29 | |
duke@435 | 30 | // Typedefs for portable compiling |
duke@435 | 31 | |
duke@435 | 32 | #if defined(__GNUC__) |
duke@435 | 33 | |
duke@435 | 34 | #define INTERFACE #pragma interface |
duke@435 | 35 | #define IMPLEMENTATION #pragma implementation |
duke@435 | 36 | //INTERFACE |
duke@435 | 37 | #include <stddef.h> |
duke@435 | 38 | #include <stdlib.h> |
duke@435 | 39 | #include <string.h> |
duke@435 | 40 | |
duke@435 | 41 | // Access to the C++ class virtual function pointer |
duke@435 | 42 | // Put the class in the macro |
duke@435 | 43 | typedef void *VPTR; |
duke@435 | 44 | // G++ puts it at the end of the base class |
duke@435 | 45 | #define ACCESS_VPTR(class) VPTR&vptr(){return*(VPTR*)((char*)this+sizeof(class)-sizeof(void*));} |
duke@435 | 46 | |
duke@435 | 47 | #elif defined(__TURBOC__) |
duke@435 | 48 | |
duke@435 | 49 | #include <mem.h> |
duke@435 | 50 | #include <string.h> |
duke@435 | 51 | extern "C" int stricmp(const char *, const char *); |
duke@435 | 52 | inline void bcopy(const void *s, void *d, int l) { memmove(d,s,l); } |
duke@435 | 53 | inline void bzero(void *p, int l) { memset(p,0,l); } |
duke@435 | 54 | inline int bcmp(const void *s, const void *d, int l) { return memcmp(s,d,l); } |
duke@435 | 55 | inline int min( int a, int b) { return a < b ? a : b; } |
duke@435 | 56 | inline int max( int a, int b) { return a > b ? a : b; } |
duke@435 | 57 | //strcasecmp moved to globalDefinitions_visCPP.hpp |
duke@435 | 58 | //inline int strcasecmp(const char *s1, const char *s2) { return stricmp(s1,s2); } |
duke@435 | 59 | inline long abs( long x ) { return x < 0 ? -x : x; } |
duke@435 | 60 | // Access to the C++ class virtual function pointer |
duke@435 | 61 | // Put the class in the macro |
duke@435 | 62 | typedef void near *VPTR; |
duke@435 | 63 | // BorlandC puts it up front |
duke@435 | 64 | #define ACCESS_VPTR(class) VPTR&vptr(){return*(VPTR*)this;} |
duke@435 | 65 | |
duke@435 | 66 | #elif defined(__hpux) |
duke@435 | 67 | |
duke@435 | 68 | #define INTERFACE |
duke@435 | 69 | #define IMPLEMENTATION |
duke@435 | 70 | #define signed |
duke@435 | 71 | #include <strings.h> |
duke@435 | 72 | #include <stdlib.h> |
duke@435 | 73 | inline long min( long a, long b) { return a < b ? a : b; } |
duke@435 | 74 | inline long max( long a, long b) { return a > b ? a : b; } |
duke@435 | 75 | inline int min( int a, int b) { return a < b ? a : b; } |
duke@435 | 76 | inline int max( int a, int b) { return a > b ? a : b; } |
duke@435 | 77 | inline long abs( long x ) { return x < 0 ? -x : x; } |
duke@435 | 78 | |
duke@435 | 79 | #elif defined(__MOTO__) |
duke@435 | 80 | // Motorola's mcc |
duke@435 | 81 | #define INTERFACE |
duke@435 | 82 | #define IMPLEMENTATION |
duke@435 | 83 | #include <stdlib.h> |
duke@435 | 84 | #include <memory.h> |
duke@435 | 85 | inline int min( int a, int b) { return a < b ? a : b; } |
duke@435 | 86 | inline int max( int a, int b) { return a > b ? a : b; } |
duke@435 | 87 | |
duke@435 | 88 | #elif defined(_AIX) |
duke@435 | 89 | // IBM's xlC compiler |
duke@435 | 90 | #define INTERFACE |
duke@435 | 91 | #define IMPLEMENTATION |
duke@435 | 92 | #include <stdlib.h> |
duke@435 | 93 | #include <memory.h> |
duke@435 | 94 | inline int min( int a, int b) { return a < b ? a : b; } |
duke@435 | 95 | inline int max( int a, int b) { return a > b ? a : b; } |
duke@435 | 96 | |
duke@435 | 97 | #elif defined(_MSC_VER) |
duke@435 | 98 | // Microsoft Visual C++ |
duke@435 | 99 | //#define INTERFACE |
duke@435 | 100 | #define IMPLEMENTATION |
duke@435 | 101 | #include <stdlib.h> |
duke@435 | 102 | #undef small |
duke@435 | 103 | //strcasecmp moved to globalDefinitions_visCPP.hpp |
duke@435 | 104 | //inline int strcasecmp(const char *s1, const char *s2) { return stricmp(s1,s2); } |
duke@435 | 105 | |
duke@435 | 106 | |
duke@435 | 107 | #elif defined(SPARC_WORKS) |
duke@435 | 108 | |
duke@435 | 109 | #define INTERFACE |
duke@435 | 110 | #define IMPLEMENTATION |
duke@435 | 111 | |
duke@435 | 112 | #include <stddef.h> |
duke@435 | 113 | #include <stdlib.h> |
duke@435 | 114 | #include <string.h> |
duke@435 | 115 | |
duke@435 | 116 | #elif defined(SOLARIS) |
duke@435 | 117 | |
duke@435 | 118 | #define INTERFACE |
duke@435 | 119 | #define IMPLEMENTATION |
duke@435 | 120 | |
duke@435 | 121 | #include <stddef.h> |
duke@435 | 122 | #include <stdlib.h> |
duke@435 | 123 | #include <string.h> |
duke@435 | 124 | |
duke@435 | 125 | |
duke@435 | 126 | #elif defined(__TANDEM) |
duke@435 | 127 | |
duke@435 | 128 | // This case is for the Tandem Business Unit of Compaq Computer Corporation. |
duke@435 | 129 | // The Tandem case must precede the AT&T case, |
duke@435 | 130 | // because the Tandem c89 compiler also defines __cplusplus. |
duke@435 | 131 | |
duke@435 | 132 | #include "port_tandem.hpp" |
duke@435 | 133 | |
duke@435 | 134 | #elif defined(__cplusplus) |
duke@435 | 135 | // AT&Ts cfront |
duke@435 | 136 | #define INTERFACE |
duke@435 | 137 | #define IMPLEMENTATION |
duke@435 | 138 | #include <unistd.h> |
duke@435 | 139 | #define signed |
duke@435 | 140 | // #include <bstring.h> |
duke@435 | 141 | inline int min( int a, int b) { return a < b ? a : b; } |
duke@435 | 142 | inline int max( int a, int b) { return a > b ? a : b; } |
duke@435 | 143 | |
duke@435 | 144 | #else // All other machines |
duke@435 | 145 | |
duke@435 | 146 | #define signed |
duke@435 | 147 | extern "C" void bcopy(void *b1, void *b2, int len); |
duke@435 | 148 | inline int min( int a, int b) { return a < b ? a : b; } |
duke@435 | 149 | inline int max( int a, int b) { return a > b ? a : b; } |
duke@435 | 150 | |
duke@435 | 151 | #endif |
duke@435 | 152 | |
duke@435 | 153 | //----------------------------------------------------------------------------- |
duke@435 | 154 | // Safer memory allocations |
duke@435 | 155 | #ifdef SAFE_MEMORY |
duke@435 | 156 | #define malloc(size) safe_malloc(__FILE__,__LINE__,size) |
duke@435 | 157 | #define free(ptr) safe_free(__FILE__,__LINE__,ptr) |
duke@435 | 158 | #define realloc(ptr,size) safe_realloc(__FILE__,__LINE__,ptr,size) |
duke@435 | 159 | #define calloc(nitems,size) safe_calloc(__FILE__,__LINE__,nitems,size) |
duke@435 | 160 | #define strdup(ptr) safe_strdup(__FILE__,__LINE__,ptr) |
duke@435 | 161 | extern void *safe_malloc (const char *file, unsigned line, unsigned size); |
duke@435 | 162 | extern void safe_free (const char *file, unsigned line, void *ptr); |
duke@435 | 163 | extern void *safe_calloc (const char *file, unsigned line, unsigned nitems, unsigned size); |
duke@435 | 164 | extern void *safe_realloc(const char *file, unsigned line, void *ptr, unsigned size); |
duke@435 | 165 | extern char *safe_strdup (const char *file, unsigned line, const char *src); |
duke@435 | 166 | inline void *operator new( size_t size ) { return malloc(size); } |
duke@435 | 167 | inline void operator delete( void *ptr ) { free(ptr); } |
duke@435 | 168 | #endif |
duke@435 | 169 | |
duke@435 | 170 | //----------------------------------------------------------------------------- |
duke@435 | 171 | // And now, the bit-size-specified integer sizes |
duke@435 | 172 | typedef signed char int8; |
duke@435 | 173 | typedef unsigned char uint8; |
duke@435 | 174 | typedef unsigned char byte; |
duke@435 | 175 | |
duke@435 | 176 | // All uses of *int16 changed to 32-bit to speed up compiler on Intel |
duke@435 | 177 | //typedef signed short int16; // Exactly 16bits signed |
duke@435 | 178 | //typedef unsigned short uint16; // Exactly 16bits unsigned |
duke@435 | 179 | //const unsigned int min_uint16 = 0x0000; // smallest uint16 |
duke@435 | 180 | //const unsigned int max_uint16 = 0xFFFF; // largest uint16 |
duke@435 | 181 | |
duke@435 | 182 | typedef unsigned int uint; // When you need a fast >=16bit unsigned value |
duke@435 | 183 | /*typedef int int; */ // When you need a fast >=16bit value |
duke@435 | 184 | const unsigned int max_uint = (uint)-1; |
duke@435 | 185 | typedef int32_t int32; // Exactly 32bits signed |
duke@435 | 186 | typedef uint32_t uint32; // Exactly 32bits unsigned |
duke@435 | 187 | |
duke@435 | 188 | // Bit-sized floating point and long thingies |
duke@435 | 189 | #ifndef __TANDEM |
duke@435 | 190 | // Do not define these for Tandem, because they conflict with typedefs in softieee.h. |
duke@435 | 191 | typedef float float32; // 32-bit float |
duke@435 | 192 | typedef double float64; // 64-bit float |
duke@435 | 193 | #endif // __TANDEM |
duke@435 | 194 | |
duke@435 | 195 | typedef jlong int64; // Java long for my 64-bit type |
duke@435 | 196 | typedef julong uint64; // Java long for my 64-bit type |
duke@435 | 197 | |
duke@435 | 198 | //----------------------------------------------------------------------------- |
duke@435 | 199 | // Nice constants |
duke@435 | 200 | uint32 gcd( uint32 x, uint32 y ); |
duke@435 | 201 | int ff1( uint32 mask ); |
duke@435 | 202 | int fh1( uint32 mask ); |
duke@435 | 203 | uint32 rotate32( uint32 x, int32 cnt ); |
duke@435 | 204 | |
duke@435 | 205 | |
duke@435 | 206 | //----------------------------------------------------------------------------- |
duke@435 | 207 | extern uint32 heap_totalmem; // Current total memory allocation |
duke@435 | 208 | extern uint32 heap_highwater; // Highwater mark to date for memory usage |
duke@435 | 209 | |
stefank@2314 | 210 | #endif // SHARE_VM_LIBADT_PORT_HPP |