[4251fb]: src / jri_md.h Maximize Restore History

Download this file

jri_md.h    501 lines (441 with data), 22.4 kB

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
/* -*- Mode: C; tab-width: 4; -*- */
/*******************************************************************************
* Java Runtime Interface - Machine Dependent Types
* Copyright (c) 1996 Netscape Communications Corporation. All rights reserved.
******************************************************************************/
#ifndef JRI_MD_H
#define JRI_MD_H
#include <assert.h>
#ifdef __cplusplus
extern "C" {
#endif
/*******************************************************************************
* WHAT'S UP WITH THIS FILE?
*
* This is where we define the mystical JRI_PUBLIC_API macro that works on all
* platforms. If you're running with Visual C++, Symantec C, or Borland's
* development environment on the PC, you're all set. Or if you're on the Mac
* with Metrowerks, Symantec or MPW with SC you're ok too. For UNIX it shouldn't
* matter.
*
* On UNIX though you probably care about a couple of other symbols though:
* IS_LITTLE_ENDIAN must be defined for little-endian systems
* HAVE_LONG_LONG must be defined on systems that have 'long long' integers
* HAVE_ALIGNED_LONGLONGS must be defined if long-longs must be 8 byte aligned
* HAVE_ALIGNED_DOUBLES must be defined if doubles must be 8 byte aligned
* IS_64 must be defined on 64-bit machines (like Dec Alpha)
******************************************************************************/
/* DLL Entry modifiers... */
/* PC */
#if defined(XP_PC) || defined(_WINDOWS) || defined(WIN32) || defined(_WIN32)
# include <windows.h>
# if defined(_MSC_VER)
# if defined(WIN32) || defined(_WIN32)
# define JRI_PUBLIC_API(ResultType) _declspec(dllexport) ResultType
# define JRI_CALLBACK
# else /* !_WIN32 */
# if defined(_WINDLL)
# define JRI_PUBLIC_API(ResultType) ResultType __cdecl __export __loadds
# define JRI_CALLBACK __loadds
# else /* !WINDLL */
# define JRI_PUBLIC_API(ResultType) ResultType __cdecl __export
# define JRI_CALLBACK __export
# endif /* !WINDLL */
# endif /* !_WIN32 */
# elif defined(__BORLANDC__)
# if defined(WIN32) || defined(_WIN32)
# define JRI_PUBLIC_API(ResultType) __export ResultType
# define JRI_CALLBACK
# else /* !_WIN32 */
# define JRI_PUBLIC_API(ResultType) ResultType _cdecl _export _loadds
# define JRI_CALLBACK _loadds
# endif
# else
# error Unsupported PC development environment.
# endif
# ifndef IS_LITTLE_ENDIAN
# define IS_LITTLE_ENDIAN
# endif
/* Mac */
#elif macintosh || Macintosh || THINK_C
# if defined(__MWERKS__) /* Metrowerks */
# if !__option(enumsalwaysint)
# error You need to define 'Enums Always Int' for your project.
# endif
# if defined(GENERATING68K) && !GENERATINGCFM
# if !__option(fourbyteints)
# error You need to define 'Struct Alignment: 68k' for your project.
# endif
# endif /* !GENERATINGCFM */
# elif defined(__SC__) /* Symantec */
# error What are the Symantec defines? (warren@netscape.com)
# elif macintosh && applec /* MPW */
# error Please upgrade to the latest MPW compiler (SC).
# else
# error Unsupported Mac development environment.
# endif
# define JRI_PUBLIC_API(ResultType) ResultType
# define JRI_CALLBACK
/* Unix or else */
#else
# define JRI_PUBLIC_API(ResultType) ResultType
# define JRI_CALLBACK
#endif
#ifndef FAR /* for non-Win16 */
#define FAR
#endif
/******************************************************************************/
/* Java Scalar Types */
typedef unsigned char jbool;
typedef char jbyte;
typedef short jchar;
typedef short jshort;
#ifdef IS_64 /* XXX ok for alpha, but not right on all 64-bit architectures */
typedef unsigned int juint;
typedef int jint;
#else
typedef unsigned long juint;
typedef long jint;
#endif
typedef float jfloat;
typedef double jdouble;
typedef juint jsize;
/*******************************************************************************
* jlong : long long (64-bit signed integer type) support.
******************************************************************************/
/*
** Bit masking macros. (n must be <= 31 to be portable)
*/
#define JRI_BIT(n) ((juint)1 << (n))
#define JRI_BITMASK(n) (JRI_BIT(n) - 1)
#ifdef HAVE_LONG_LONG
#if !(defined(WIN32) || defined(_WIN32))
typedef long long jlong;
typedef unsigned long long julong;
#define jlong_MAXINT 0x7fffffffffffffffLL
#define jlong_MININT 0x8000000000000000LL
#define jlong_ZERO 0x0LL
#else
typedef LONGLONG jlong;
typedef DWORDLONG julong;
#define jlong_MAXINT 0x7fffffffffffffffi64
#define jlong_MININT 0x8000000000000000i64
#define jlong_ZERO 0x0i64
#endif
#define jlong_IS_ZERO(a) ((a) == 0)
#define jlong_EQ(a, b) ((a) == (b))
#define jlong_NE(a, b) ((a) != (b))
#define jlong_GE_ZERO(a) ((a) >= 0)
#define jlong_CMP(a, op, b) ((a) op (b))
#define jlong_AND(r, a, b) ((r) = (a) & (b))
#define jlong_OR(r, a, b) ((r) = (a) | (b))
#define jlong_XOR(r, a, b) ((r) = (a) ^ (b))
#define jlong_OR2(r, a) ((r) = (r) | (a))
#define jlong_NOT(r, a) ((r) = ~(a))
#define jlong_NEG(r, a) ((r) = -(a))
#define jlong_ADD(r, a, b) ((r) = (a) + (b))
#define jlong_SUB(r, a, b) ((r) = (a) - (b))
#define jlong_MUL(r, a, b) ((r) = (a) * (b))
#define jlong_DIV(r, a, b) ((r) = (a) / (b))
#define jlong_MOD(r, a, b) ((r) = (a) % (b))
#define jlong_SHL(r, a, b) ((r) = (a) << (b))
#define jlong_SHR(r, a, b) ((r) = (a) >> (b))
#define jlong_USHR(r, a, b) ((r) = (julong)(a) >> (b))
#define jlong_ISHL(r, a, b) ((r) = ((jlong)(a)) << (b))
#define jlong_L2I(i, l) ((i) = (int)(l))
#define jlong_L2UI(ui, l) ((ui) =(unsigned int)(l))
#define jlong_L2F(f, l) ((f) = (l))
#define jlong_L2D(d, l) ((d) = (l))
#define jlong_I2L(l, i) ((l) = (i))
#define jlong_UI2L(l, ui) ((l) = (ui))
#define jlong_F2L(l, f) ((l) = (f))
#define jlong_D2L(l, d) ((l) = (d))
#define jlong_UDIVMOD(qp, rp, a, b) \
(*(qp) = ((julong)(a) / (b)), \
*(rp) = ((julong)(a) % (b)))
#else /* !HAVE_LONG_LONG */
typedef struct {
#ifdef IS_LITTLE_ENDIAN
juint lo, hi;
#else
juint hi, lo;
#endif
} jlong;
typedef jlong julong;
extern jlong jlong_MAXINT, jlong_MININT, jlong_ZERO;
#define jlong_IS_ZERO(a) (((a).hi == 0) && ((a).lo == 0))
#define jlong_EQ(a, b) (((a).hi == (b).hi) && ((a).lo == (b).lo))
#define jlong_NE(a, b) (((a).hi != (b).hi) || ((a).lo != (b).lo))
#define jlong_GE_ZERO(a) (((a).hi >> 31) == 0)
/*
* NB: jlong_CMP and jlong_UCMP work only for strict relationals (<, >).
*/
#define jlong_CMP(a, op, b) (((int32)(a).hi op (int32)(b).hi) || \
(((a).hi == (b).hi) && ((a).lo op (b).lo)))
#define jlong_UCMP(a, op, b) (((a).hi op (b).hi) || \
(((a).hi == (b).hi) && ((a).lo op (b).lo)))
#define jlong_AND(r, a, b) ((r).lo = (a).lo & (b).lo, \
(r).hi = (a).hi & (b).hi)
#define jlong_OR(r, a, b) ((r).lo = (a).lo | (b).lo, \
(r).hi = (a).hi | (b).hi)
#define jlong_XOR(r, a, b) ((r).lo = (a).lo ^ (b).lo, \
(r).hi = (a).hi ^ (b).hi)
#define jlong_OR2(r, a) ((r).lo = (r).lo | (a).lo, \
(r).hi = (r).hi | (a).hi)
#define jlong_NOT(r, a) ((r).lo = ~(a).lo, \
(r).hi = ~(a).hi)
#define jlong_NEG(r, a) ((r).lo = -(int32)(a).lo, \
(r).hi = -(int32)(a).hi - ((r).lo != 0))
#define jlong_ADD(r, a, b) { \
jlong _a, _b; \
_a = a; _b = b; \
(r).lo = _a.lo + _b.lo; \
(r).hi = _a.hi + _b.hi + ((r).lo < _b.lo); \
}
#define jlong_SUB(r, a, b) { \
jlong _a, _b; \
_a = a; _b = b; \
(r).lo = _a.lo - _b.lo; \
(r).hi = _a.hi - _b.hi - (_a.lo < _b.lo); \
} \
/*
* Multiply 64-bit operands a and b to get 64-bit result r.
* First multiply the low 32 bits of a and b to get a 64-bit result in r.
* Then add the outer and inner products to r.hi.
*/
#define jlong_MUL(r, a, b) { \
jlong _a, _b; \
_a = a; _b = b; \
jlong_MUL32(r, _a.lo, _b.lo); \
(r).hi += _a.hi * _b.lo + _a.lo * _b.hi; \
}
/* XXX _jlong_lo16(a) = ((a) << 16 >> 16) is better on some archs (not on mips) */
#define _jlong_lo16(a) ((a) & JRI_BITMASK(16))
#define _jlong_hi16(a) ((a) >> 16)
/*
* Multiply 32-bit operands a and b to get 64-bit result r.
* Use polynomial expansion based on primitive field element (1 << 16).
*/
#define jlong_MUL32(r, a, b) { \
juint _a1, _a0, _b1, _b0, _y0, _y1, _y2, _y3; \
_a1 = _jlong_hi16(a), _a0 = _jlong_lo16(a); \
_b1 = _jlong_hi16(b), _b0 = _jlong_lo16(b); \
_y0 = _a0 * _b0; \
_y1 = _a0 * _b1; \
_y2 = _a1 * _b0; \
_y3 = _a1 * _b1; \
_y1 += _jlong_hi16(_y0); /* can't carry */ \
_y1 += _y2; /* might carry */ \
if (_y1 < _y2) _y3 += 1 << 16; /* propagate */ \
(r).lo = (_jlong_lo16(_y1) << 16) + _jlong_lo16(_y0); \
(r).hi = _y3 + _jlong_hi16(_y1); \
}
/*
* Divide 64-bit unsigned operand a by 64-bit unsigned operand b, setting *qp
* to the 64-bit unsigned quotient, and *rp to the 64-bit unsigned remainder.
* Minimize effort if one of qp and rp is null.
*/
#define jlong_UDIVMOD(qp, rp, a, b) jlong_udivmod(qp, rp, a, b)
extern JRI_PUBLIC_API(void)
jlong_udivmod(julong *qp, julong *rp, julong a, julong b);
#define jlong_DIV(r, a, b) { \
jlong _a, _b; \
juint _negative = (int32)(a).hi < 0; \
if (_negative) { \
jlong_NEG(_a, a); \
} else { \
_a = a; \
} \
if ((int32)(b).hi < 0) { \
_negative ^= 1; \
jlong_NEG(_b, b); \
} else { \
_b = b; \
} \
jlong_UDIVMOD(&(r), 0, _a, _b); \
if (_negative) \
jlong_NEG(r, r); \
}
#define jlong_MOD(r, a, b) { \
jlong _a, _b; \
juint _negative = (int32)(a).hi < 0; \
if (_negative) { \
jlong_NEG(_a, a); \
} else { \
_a = a; \
} \
if ((int32)(b).hi < 0) { \
jlong_NEG(_b, b); \
} else { \
_b = b; \
} \
jlong_UDIVMOD(0, &(r), _a, _b); \
if (_negative) \
jlong_NEG(r, r); \
}
/*
* NB: b is a juint, not jlong or julong, for the shift ops.
*/
#define jlong_SHL(r, a, b) { \
if (b) { \
jlong _a; \
_a = a; \
if ((b) < 32) { \
(r).lo = _a.lo << (b); \
(r).hi = (_a.hi << (b)) | (_a.lo >> (32 - (b))); \
} else { \
(r).lo = 0; \
(r).hi = _a.lo << ((b) & 31); \
} \
} else { \
(r) = (a); \
} \
}
/* a is an int32, b is int32, r is jlong */
#define jlong_ISHL(r, a, b) { \
if (b) { \
jlong _a; \
_a.lo = (a); \
_a.hi = 0; \
if ((b) < 32) { \
(r).lo = (a) << (b); \
(r).hi = ((a) >> (32 - (b))); \
} else { \
(r).lo = 0; \
(r).hi = (a) << ((b) & 31); \
} \
} else { \
(r).lo = (a); \
(r).hi = 0; \
} \
}
#define jlong_SHR(r, a, b) { \
if (b) { \
jlong _a; \
_a = a; \
if ((b) < 32) { \
(r).lo = (_a.hi << (32 - (b))) | (_a.lo >> (b)); \
(r).hi = (int32)_a.hi >> (b); \
} else { \
(r).lo = (int32)_a.hi >> ((b) & 31); \
(r).hi = (int32)_a.hi >> 31; \
} \
} else { \
(r) = (a); \
} \
}
#define jlong_USHR(r, a, b) { \
if (b) { \
jlong _a; \
_a = a; \
if ((b) < 32) { \
(r).lo = (_a.hi << (32 - (b))) | (_a.lo >> (b)); \
(r).hi = _a.hi >> (b); \
} else { \
(r).lo = _a.hi >> ((b) & 31); \
(r).hi = 0; \
} \
} else { \
(r) = (a); \
} \
}
#define jlong_L2I(i, l) ((i) = (l).lo)
#define jlong_L2UI(ui, l) ((ui) = (l).lo)
#define jlong_L2F(f, l) { double _d; jlong_L2D(_d, l); (f) = (float) _d; }
#define jlong_L2D(d, l) { \
int32 _negative; \
jlong _absval; \
\
_negative = (l).hi >> 31; \
if (_negative) { \
jlong_NEG(_absval, l); \
} else { \
_absval = l; \
} \
(d) = (double)_absval.hi * 4.294967296e9 + _absval.lo; \
if (_negative) \
(d) = -(d); \
}
#define jlong_I2L(l, i) ((l).hi = (i) >> 31, (l).lo = (i))
#define jlong_UI2L(l, ui) ((l).hi = 0, (l).lo = (ui))
#define jlong_F2L(l, f) { double _d = (double) f; jlong_D2L(l, _d); }
#define jlong_D2L(l, d) { \
int _negative; \
double _absval, _d_hi; \
jlong _lo_d; \
\
_negative = ((d) < 0); \
_absval = _negative ? -(d) : (d); \
\
(l).hi = (juint)(_absval / 4.294967296e9); \
(l).lo = 0; \
jlong_L2D(_d_hi, l); \
_absval -= _d_hi; \
_lo_d.hi = 0; \
if (_absval < 0) { \
_lo_d.lo = (juint) -_absval; \
jlong_SUB(l, l, _lo_d); \
} else { \
_lo_d.lo = (juint) _absval; \
jlong_ADD(l, l, _lo_d); \
} \
\
if (_negative) \
jlong_NEG(l, l); \
}
#endif /* !HAVE_LONG_LONG */
/******************************************************************************/
/*
** JDK Stuff -- This stuff is still needed while we're using the JDK
** dynamic linking strategy to call native methods.
*/
typedef union JRI_JDK_stack_item {
/* Non pointer items */
jint i;
jfloat f;
jint o;
/* Pointer items */
void *h;
void *p;
unsigned char *addr;
#ifdef IS_64
double d;
long l; /* == 64bits! */
#endif
} JRI_JDK_stack_item;
typedef union JRI_JDK_Java8Str {
jint x[2];
jdouble d;
jlong l;
void *p;
float f;
} JRI_JDK_Java8;
#ifdef HAVE_ALIGNED_LONGLONGS
#define JRI_GET_INT64(_t,_addr) ( ((_t).x[0] = ((jint*)(_addr))[0]), \
((_t).x[1] = ((jint*)(_addr))[1]), \
(_t).l )
#define JRI_SET_INT64(_t, _addr, _v) ( (_t).l = (_v), \
((jint*)(_addr))[0] = (_t).x[0], \
((jint*)(_addr))[1] = (_t).x[1] )
#else
#define JRI_GET_INT64(_t,_addr) (*(jlong*)(_addr))
#define JRI_SET_INT64(_t, _addr, _v) (*(jlong*)(_addr) = (_v))
#endif
/* If double's must be aligned on doubleword boundaries then define this */
#ifdef HAVE_ALIGNED_DOUBLES
#define JRI_GET_DOUBLE(_t,_addr) ( ((_t).x[0] = ((jint*)(_addr))[0]), \
((_t).x[1] = ((jint*)(_addr))[1]), \
(_t).d )
#define JRI_SET_DOUBLE(_t, _addr, _v) ( (_t).d = (_v), \
((jint*)(_addr))[0] = (_t).x[0], \
((jint*)(_addr))[1] = (_t).x[1] )
#else
#define JRI_GET_DOUBLE(_t,_addr) (*(jdouble*)(_addr))
#define JRI_SET_DOUBLE(_t, _addr, _v) (*(jdouble*)(_addr) = (_v))
#endif
/******************************************************************************/
#ifdef __cplusplus
}
#endif
#endif /* JRI_MD_H */
/******************************************************************************/