Annotation of gforth/engine/forth.h, revision 1.108
1.1 anton 1: /* common header file
2:
1.107 anton 3: Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
1.1 anton 4:
5: This file is part of Gforth.
6:
7: Gforth is free software; you can redistribute it and/or
8: modify it under the terms of the GNU General Public License
1.89 anton 9: as published by the Free Software Foundation, either version 3
1.1 anton 10: of the License, or (at your option) any later version.
11:
12: This program is distributed in the hope that it will be useful,
13: but WITHOUT ANY WARRANTY; without even the implied warranty of
14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: GNU General Public License for more details.
16:
17: You should have received a copy of the GNU General Public License
1.89 anton 18: along with this program; if not, see http://www.gnu.org/licenses/.
1.1 anton 19: */
20:
21: #include "config.h"
1.90 anton 22: #include "128bit.h"
1.18 anton 23: #include <stdio.h>
1.35 anton 24: #include <sys/time.h>
25: #include <unistd.h>
1.95 pazsan 26: #ifndef STANDALONE
1.103 anton 27: #if defined(HAVE_LIBLTDL)
1.87 anton 28: #include <ltdl.h>
1.95 pazsan 29: #endif
1.103 anton 30: #endif
1.1 anton 31:
1.93 anton 32: #if !defined(FORCE_LL) && !defined(BUGGY_LONG_LONG)
33: #define BUGGY_LONG_LONG
34: #endif
35:
1.32 anton 36: #if defined(DOUBLY_INDIRECT)||defined(INDIRECT_THREADED)||defined(VM_PROFILING)
37: #define NO_DYNAMIC
38: #endif
39:
1.1 anton 40: #if defined(DOUBLY_INDIRECT)
41: # undef DIRECT_THREADED
42: # undef INDIRECT_THREADED
43: # define INDIRECT_THREADED
44: #endif
45:
1.57 anton 46: #if defined(GFORTH_DEBUGGING) || defined(INDIRECT_THREADED) || defined(DOUBLY_INDIRECT) || defined(VM_PROFILING)
1.23 anton 47: # undef USE_TOS
48: # undef USE_FTOS
1.56 anton 49: # undef USE_NO_TOS
50: # undef USE_NO_FTOS
1.23 anton 51: # define USE_NO_TOS
52: # define USE_NO_FTOS
1.57 anton 53:
54: #define PRIM_I "prim.i"
55: #define PRIM_LAB_I "prim_lab.i"
56: #define PRIM_NAMES_I "prim_names.i"
57: #define PRIM_SUPEREND_I "prim_superend.i"
58: #define PRIM_NUM_I "prim_num.i"
59: #define PRIM_GRP_I "prim_grp.i"
60: #define COSTS_I "costs.i"
61: #define SUPER2_I "super2.i"
1.58 anton 62: /* #define PROFILE_I "profile.i" */
1.57 anton 63:
64: #else
65: /* gforth-fast or gforth-native */
1.59 anton 66: # undef USE_TOS
67: # undef USE_FTOS
68: # undef USE_NO_TOS
69: # undef USE_NO_FTOS
70: # define USE_TOS
1.57 anton 71:
72: #define PRIM_I "prim-fast.i"
73: #define PRIM_LAB_I "prim_lab-fast.i"
74: #define PRIM_NAMES_I "prim_names-fast.i"
75: #define PRIM_SUPEREND_I "prim_superend-fast.i"
76: #define PRIM_NUM_I "prim_num-fast.i"
77: #define PRIM_GRP_I "prim_grp-fast.i"
78: #define COSTS_I "costs-fast.i"
79: #define SUPER2_I "super2-fast.i"
1.58 anton 80: /* profile.c uses profile.i but does not define VM_PROFILING */
81: /* #define PROFILE_I "profile-fast.i" */
1.57 anton 82:
1.23 anton 83: #endif
1.57 anton 84:
85:
1.23 anton 86:
1.1 anton 87: #include <limits.h>
88:
89: #if defined(NeXT)
90: # include <libc.h>
91: #endif /* NeXT */
92:
93: /* symbol indexed constants */
94:
95: #define DOCOL 0
96: #define DOCON 1
97: #define DOVAR 2
98: #define DOUSER 3
99: #define DODEFER 4
100: #define DOFIELD 5
1.86 pazsan 101: #define DOVAL 6
102: #define DODOES 7
103: #define DOESJUMP 8
1.108 ! dvdkhlng 104: #define DOABICODE 9
! 105: #define DOER_MAX 9
1.1 anton 106:
107: /* the size of the DOESJUMP, which resides between DOES> and the does-code */
108: #define DOES_HANDLER_SIZE (2*sizeof(Cell))
109:
1.6 jwilke 110: #include "machine.h"
1.1 anton 111:
1.68 pazsan 112: /* C interface data types */
113:
114: typedef WYDE_TYPE Wyde;
115: typedef TETRABYTE_TYPE Tetrabyte;
116: typedef unsigned WYDE_TYPE UWyde;
117: typedef unsigned TETRABYTE_TYPE UTetrabyte;
118:
1.1 anton 119: /* Forth data types */
120: /* Cell and UCell must be the same size as a pointer */
121: #define CELL_BITS (sizeof(Cell) * CHAR_BIT)
1.77 anton 122: #define CELL_MIN (((Cell)1)<<(sizeof(Cell)*CHAR_BIT-1))
1.78 anton 123:
124: #define HALFCELL_BITS (CELL_BITS/2)
125: #define HALFCELL_MASK ((~(UCell)0)>>HALFCELL_BITS)
126: #define UH(x) (((UCell)(x))>>HALFCELL_BITS)
127: #define LH(x) ((x)&HALFCELL_MASK)
128: #define L2U(x) (((UCell)(x))<<HALFCELL_BITS)
129: #define HIGHBIT(x) (((UCell)(x))>>(CELL_BITS-1))
130:
1.1 anton 131: #define FLAG(b) (-(b))
132: #define FILEIO(error) (FLAG(error) & -37)
133: #define FILEEXIST(error) (FLAG(error) & -38)
134:
135: #define F_TRUE (FLAG(0==0))
136: #define F_FALSE (FLAG(0!=0))
137:
1.65 pazsan 138: /* define this false if you want native division */
1.66 pazsan 139: #ifdef FORCE_CDIV
140: #define FLOORED_DIV 0
141: #else
1.65 pazsan 142: #define FLOORED_DIV ((1%-3)>0)
1.66 pazsan 143: #endif
1.65 pazsan 144:
1.93 anton 145: #if defined(BUGGY_LONG_LONG)
1.64 pazsan 146:
147: #define BUGGY_LL_CMP /* compares not possible */
148: #define BUGGY_LL_MUL /* multiplication not possible */
149: #define BUGGY_LL_DIV /* division not possible */
150: #define BUGGY_LL_ADD /* addition not possible */
151: #define BUGGY_LL_SHIFT /* shift not possible */
152: #define BUGGY_LL_D2F /* to float not possible */
153: #define BUGGY_LL_F2D /* from float not possible */
154: #define BUGGY_LL_SIZE /* long long "too short", so we use something else */
155:
1.1 anton 156: typedef struct {
157: Cell hi;
158: UCell lo;
159: } DCell;
160:
161: typedef struct {
162: UCell hi;
163: UCell lo;
164: } UDCell;
165:
1.64 pazsan 166: #define DHI(x) (x).hi
167: #define DLO(x) (x).lo
168: #define DHI_IS(x,y) (x).hi=(y)
169: #define DLO_IS(x,y) (x).lo=(y)
170:
1.78 anton 171: #define UD2D(ud) ({UDCell _ud=(ud); (DCell){_ud.hi,_ud.lo};})
1.80 anton 172: #define D2UD(d) ({DCell _d1=(d); (UDCell){_d1.hi,_d1.lo};})
173:
174: /* shifts by less than CELL_BITS */
1.104 anton 175: #define DLSHIFT(d,u) ({DCell _d=(d); UCell _u=(u); \
176: ((_u==0) ? \
177: _d : \
178: (DCell){(_d.hi<<_u)|(_d.lo>>(CELL_BITS-_u)), \
179: _d.lo<<_u});})
180:
1.80 anton 181: #define UDLSHIFT(ud,u) D2UD(DLSHIFT(UD2D(ud),u))
1.78 anton 182:
1.39 anton 183: #if SMALL_OFF_T
184: #define OFF2UD(o) ({UDCell _ud; _ud.hi=0; _ud.lo=(Cell)(o); _ud;})
185: #define UD2OFF(ud) ((ud).lo)
186: #else /* !SMALL_OFF_T */
187: #define OFF2UD(o) ({UDCell _ud; off_t _o=(o); _ud.hi=_o>>CELL_BITS; _ud.lo=(Cell)_o; _ud;})
1.36 anton 188: #define UD2OFF(ud) ({UDCell _ud=(ud); (((off_t)_ud.hi)<<CELL_BITS)+_ud.lo;})
1.39 anton 189: #endif /* !SMALL_OFF_T */
1.1 anton 190: #define DZERO ((DCell){0,0})
191:
1.93 anton 192: #else /* !defined(BUGGY_LONG_LONG) */
1.1 anton 193:
194: /* DCell and UDCell must be twice as large as Cell */
195: typedef DOUBLE_CELL_TYPE DCell;
1.63 pazsan 196: typedef DOUBLE_UCELL_TYPE UDCell;
1.1 anton 197:
1.93 anton 198: #define DHI(x) ({ Double_Store _d; _d.d=(x); _d.cells.high; })
199: #define DLO(x) ({ Double_Store _d; _d.d=(x); _d.cells.low; })
200:
201: /* beware with the assignment: x is referenced twice! */
202: #define DHI_IS(x,y) ({ Double_Store _d; _d.d=(x); _d.cells.high=(y); (x)=_d.d; })
203: #define DLO_IS(x,y) ({ Double_Store _d; _d.d=(x); _d.cells.low =(y); (x)=_d.d; })
204:
205: #define UD2D(ud) ((DCell)(ud))
206: #define D2UD(d) ((UDCell)(d))
1.36 anton 207: #define OFF2UD(o) ((UDCell)(o))
208: #define UD2OFF(ud) ((off_t)(ud))
1.16 anton 209: #define DZERO ((DCell)0)
1.80 anton 210: /* shifts by less than CELL_BITS */
211: #define DLSHIFT(d,u) ((d)<<(u))
212: #define UDLSHIFT(d,u) ((d)<<(u))
1.16 anton 213:
1.93 anton 214: #endif /* !defined(BUGGY_LONG_LONG) */
1.16 anton 215:
1.1 anton 216: typedef union {
217: struct {
1.16 anton 218: #if defined(WORDS_BIGENDIAN)||defined(BUGGY_LONG_LONG)
1.1 anton 219: Cell high;
220: UCell low;
221: #else
222: UCell low;
223: Cell high;
1.20 crook 224: #endif
1.1 anton 225: } cells;
1.16 anton 226: DCell d;
227: UDCell ud;
1.1 anton 228: } Double_Store;
1.64 pazsan 229:
1.16 anton 230: #define FETCH_DCELL_T(d_,lo,hi,t_) ({ \
1.1 anton 231: Double_Store _d; \
232: _d.cells.low = (lo); \
233: _d.cells.high = (hi); \
1.16 anton 234: (d_) = _d.t_; \
1.1 anton 235: })
236:
1.16 anton 237: #define STORE_DCELL_T(d_,lo,hi,t_) ({ \
1.1 anton 238: Double_Store _d; \
1.16 anton 239: _d.t_ = (d_); \
1.1 anton 240: (lo) = _d.cells.low; \
241: (hi) = _d.cells.high; \
242: })
243:
1.28 anton 244: #define vm_twoCell2d(lo,hi,d_) FETCH_DCELL_T(d_,lo,hi,d);
245: #define vm_twoCell2ud(lo,hi,d_) FETCH_DCELL_T(d_,lo,hi,ud);
1.1 anton 246:
1.28 anton 247: #define vm_d2twoCell(d_,lo,hi) STORE_DCELL_T(d_,lo,hi,d);
248: #define vm_ud2twoCell(d_,lo,hi) STORE_DCELL_T(d_,lo,hi,ud);
1.1 anton 249:
250: typedef Label *Xt;
251:
252: /* PFA gives the parameter field address corresponding to a cfa */
253: #define PFA(cfa) (((Cell *)cfa)+2)
254: /* PFA1 is a special version for use just after a NEXT1 */
255: #define PFA1(cfa) PFA(cfa)
256: /* CODE_ADDRESS is the address of the code jumped to through the code field */
257: #define CODE_ADDRESS(cfa) (*(Xt)(cfa))
258:
259: /* DOES_CODE is the Forth code does jumps to */
260: #if !defined(DOUBLY_INDIRECT)
261: # define DOES_CA (symbols[DODOES])
262: #else /* defined(DOUBLY_INDIRECT) */
1.24 anton 263: # define DOES_CA ((Label)&xts[DODOES])
1.1 anton 264: #endif /* defined(DOUBLY_INDIRECT) */
265:
266:
267:
268: #define DOES_CODE1(cfa) ((Xt *)(cfa[1]))
269: /* MAKE_CF creates an appropriate code field at the cfa;
270: ca is the code address */
271: #define MAKE_CF(cfa,ca) ((*(Label *)(cfa)) = ((Label)ca))
272: /* make a code field for a defining-word-defined word */
273: #define MAKE_DOES_CF(cfa,does_code) ({MAKE_CF(cfa,DOES_CA); \
274: ((Cell *)cfa)[1] = (Cell)(does_code);})
275:
276: #define CF(const) (-const-2)
277:
278: #define CF_NIL -1
279:
280: #ifndef FLUSH_ICACHE
281: #warning flush-icache probably will not work (see manual)
282: # define FLUSH_ICACHE(addr,size)
1.45 anton 283: #warning no FLUSH_ICACHE, turning off dynamic native code by default
284: #undef NO_DYNAMIC_DEFAULT
285: #define NO_DYNAMIC_DEFAULT 1
1.1 anton 286: #endif
287:
1.67 anton 288: #if defined(GFORTH_DEBUGGING) || defined(INDIRECT_THREADED) || defined(DOUBLY_INDIRECT) || defined(VM_PROFILING)
289: #define STACK_CACHE_DEFAULT 0
1.1 anton 290: #else
1.67 anton 291: #define STACK_CACHE_DEFAULT STACK_CACHE_DEFAULT_FAST
1.1 anton 292: #endif
293:
294: #ifdef USE_FTOS
1.14 anton 295: #define IF_fpTOS(x) x
1.1 anton 296: #else
1.14 anton 297: #define IF_fpTOS(x)
298: #define fpTOS (fp[0])
1.1 anton 299: #endif
300:
1.15 anton 301: #define IF_rpTOS(x)
302: #define rpTOS (rp[0])
303:
1.10 anton 304: typedef struct {
305: Address base; /* base address of image (0 if relocatable) */
306: UCell checksum; /* checksum of ca's to protect against some
307: incompatible binary/executable combinations
308: (0 if relocatable) */
309: UCell image_size; /* all sizes in bytes */
310: UCell dict_size;
311: UCell data_stack_size;
312: UCell fp_stack_size;
313: UCell return_stack_size;
314: UCell locals_stack_size;
315: Xt *boot_entry; /* initial ip for booting (in BOOT) */
316: Xt *throw_entry; /* ip after signal (in THROW) */
317: Cell unused1; /* possibly tib stack size */
1.24 anton 318: Label *xt_base; /* base of DOUBLE_INDIRECT xts[], for comp-i.fs */
1.10 anton 319: Address data_stack_base; /* this and the following fields are initialized by the loader */
320: Address fp_stack_base;
321: Address return_stack_base;
322: Address locals_stack_base;
323: } ImageHeader;
324: /* the image-header is created in main.fs */
325:
1.82 pazsan 326: #ifdef HAS_F83HEADERSTRING
327: struct F83Name {
328: struct F83Name *next; /* the link field for old hands */
329: char countetc;
330: char name[0];
331: };
332:
333: #define F83NAME_COUNT(np) ((np)->countetc & 0x1f)
334: #endif
1.48 anton 335: struct Longname {
336: struct Longname *next; /* the link field for old hands */
337: Cell countetc;
338: char name[0];
339: };
340:
1.106 anton 341: #define LONGNAME_COUNT(np) ((np)->countetc & (((~((UCell)0))<<4)>>4))
1.48 anton 342:
343: struct Cellpair {
344: Cell n1;
345: Cell n2;
346: };
347:
348: struct Cellquad {
349: Cell n1;
350: Cell n2;
351: Cell n3;
352: Cell n4;
353: };
1.49 anton 354:
355: #define IOR(flag) ((flag)? -512-errno : 0)
1.48 anton 356:
1.91 anton 357: #ifdef GFORTH_DEBUGGING
358: #if defined(GLOBALS_NONRELOC)
359: /* if globals cause non-relocatable primitives, keep saved_ip and rp
360: in a structure and access it through locals */
361: typedef struct saved_regs {
362: Xt *sr_saved_ip;
363: Cell *sr_rp;
364: } saved_regs;
365: extern saved_regs saved_regs_v, *saved_regs_p;
366: #define saved_ip (saved_regs_p->sr_saved_ip)
367: #define rp (saved_regs_p->sr_rp)
368: /* for use in gforth_engine header */
1.94 anton 369: #error sr_proto not passed in fflib.fs callbacks (solution: disable GLOBALS_NONRELOC)
1.92 anton 370: #define sr_proto , struct saved_regs *saved_regs_p0
1.91 anton 371: #define sr_call , saved_regs_p
372: #else /* !defined(GLOBALS_NONRELOC) */
373: extern Xt *saved_ip;
374: extern Cell *rp;
375: #define sr_proto
376: #define sr_call
377: #endif /* !defined(GLOBALS_NONRELOC) */
378: #else /* !defined(GFORTH_DEBUGGING) */
379: #define sr_proto
380: #define sr_call
381: #endif /* !defined(GFORTH_DEBUGGING) */
382:
383: Label *gforth_engine(Xt *ip, Cell *sp, Cell *rp0, Float *fp, Address lp sr_proto);
384: Label *gforth_engine2(Xt *ip, Cell *sp, Cell *rp0, Float *fp, Address lp sr_proto);
385: Label *gforth_engine3(Xt *ip, Cell *sp, Cell *rp0, Float *fp, Address lp sr_proto);
1.48 anton 386:
387: /* engine/prim support routines */
1.71 pazsan 388: Address gforth_alloc(Cell size);
1.35 anton 389: char *cstr(Char *from, UCell size, int clear);
1.11 anton 390: char *tilde_cstr(Char *from, UCell size, int clear);
1.85 anton 391: Cell opencreate_file(char *s, Cell wfam, int flags, Cell *wiorp);
1.35 anton 392: DCell timeval2us(struct timeval *tvp);
1.48 anton 393: void cmove(Char *c_from, Char *c_to, UCell u);
394: void cmove_up(Char *c_from, Char *c_to, UCell u);
395: Cell compare(Char *c_addr1, UCell u1, Char *c_addr2, UCell u2);
396: struct Longname *listlfind(Char *c_addr, UCell u, struct Longname *longname1);
397: struct Longname *hashlfind(Char *c_addr, UCell u, Cell *a_addr);
398: struct Longname *tablelfind(Char *c_addr, UCell u, Cell *a_addr);
399: UCell hashkey1(Char *c_addr, UCell u, UCell ubits);
400: struct Cellpair parse_white(Char *c_addr1, UCell u1);
401: Cell rename_file(Char *c_addr1, UCell u1, Char *c_addr2, UCell u2);
1.105 anton 402: struct Cellquad read_line(Char *c_addr, UCell u1, FILE *wfileid);
1.48 anton 403: struct Cellpair file_status(Char *c_addr, UCell u);
1.91 anton 404: Cell to_float(Char *c_addr, UCell u, Float *r_p);
1.48 anton 405: Float v_star(Float *f_addr1, Cell nstride1, Float *f_addr2, Cell nstride2, UCell ucount);
406: void faxpy(Float ra, Float *f_x, Cell nstridex, Float *f_y, Cell nstridey, UCell ucount);
1.60 pazsan 407: UCell lshift(UCell u1, UCell n);
408: UCell rshift(UCell u1, UCell n);
1.61 anton 409: int gforth_system(Char *c_addr, UCell u);
1.83 anton 410: void gforth_ms(UCell u);
1.102 pazsan 411: UCell gforth_dlopen(Char *c_addr, UCell u);
1.72 pazsan 412: Cell capscompare(Char *c_addr1, UCell u1, Char *c_addr2, UCell u2);
1.105 anton 413: int gf_ungetc(int c, FILE *stream);
414: void gf_regetc(FILE *stream);
415: int gf_ungottenc(FILE *stream);
1.1 anton 416:
1.50 anton 417: /* signal handler stuff */
418: void install_signal_handlers(void);
1.75 anton 419: void throw(int code);
1.76 anton 420: /* throw codes */
421: #define BALL_DIVZERO -10
422: #define BALL_RESULTRANGE -11
423:
1.50 anton 424: typedef void Sigfunc(int);
425: Sigfunc *bsd_signal(int signo, Sigfunc *func);
426:
1.1 anton 427: /* dblsub routines */
428: DCell dnegate(DCell d1);
429: UDCell ummul (UCell a, UCell b);
430: DCell mmul (Cell a, Cell b);
431: UDCell umdiv (UDCell u, UCell v);
432: DCell smdiv (DCell num, Cell denom);
433: DCell fmdiv (DCell num, Cell denom);
434:
1.7 pazsan 435: Cell memcasecmp(const Char *s1, const Char *s2, Cell n);
1.1 anton 436:
1.18 anton 437: void vm_print_profile(FILE *file);
438: void vm_count_block(Xt *ip);
1.17 anton 439:
1.22 anton 440: /* dynamic superinstruction stuff */
1.33 anton 441: void compile_prim1(Cell *start);
442: void finish_code(void);
1.34 anton 443: int forget_dyncode(Address code);
444: Label decompile_code(Label prim);
1.17 anton 445:
1.1 anton 446: extern int offset_image;
1.5 anton 447: extern int die_on_signal;
1.74 anton 448: extern int ignore_async_signals;
1.10 anton 449: extern UCell pagesize;
450: extern ImageHeader *gforth_header;
1.19 anton 451: extern Label *vm_prims;
1.24 anton 452: extern Label *xts;
1.25 anton 453: extern Cell npriminfos;
1.2 pazsan 454:
1.31 anton 455: #ifdef HAS_DEBUG
456: extern int debug;
457: #else
458: # define debug 0
459: #endif
460:
1.71 pazsan 461: extern Cell *gforth_SP;
1.100 pazsan 462: extern Cell *gforth_RP;
463: extern Address gforth_LP;
1.71 pazsan 464: extern Float *gforth_FP;
465: extern Address gforth_UP;
1.101 pazsan 466: #ifndef HAS_LINKBACK
467: extern void * gforth_pointers[];
468: #endif
1.35 anton 469:
1.53 pazsan 470: #ifdef HAS_FFCALL
1.71 pazsan 471: extern Cell *gforth_RP;
472: extern Address gforth_LP;
473: extern void gforth_callback(Xt* fcall, void * alist);
1.53 pazsan 474: #endif
475:
1.35 anton 476: #ifdef NO_IP
477: extern Label next_code;
478: #endif
479:
480: #ifdef HAS_FILE
481: extern char* fileattr[6];
482: extern char* pfileattr[6];
483: extern int ufileattr[6];
1.9 anton 484: #endif
485:
1.27 anton 486: #ifdef PRINT_SUPER_LENGTHS
487: Cell prim_length(Cell prim);
488: void print_super_lengths();
489: #endif
1.9 anton 490:
1.2 pazsan 491: /* declare all the functions that are missing */
492: #ifndef HAVE_ATANH
493: extern double atanh(double r1);
494: extern double asinh(double r1);
495: extern double acosh(double r1);
496: #endif
497: #ifndef HAVE_ECVT
1.4 anton 498: /* extern char* ecvt(double x, int len, int* exp, int* sign);*/
1.2 pazsan 499: #endif
500: #ifndef HAVE_MEMMOVE
1.3 anton 501: /* extern char *memmove(char *dest, const char *src, long n); */
1.2 pazsan 502: #endif
503: #ifndef HAVE_POW10
504: extern double pow10(double x);
505: #endif
506: #ifndef HAVE_STRERROR
507: extern char *strerror(int err);
508: #endif
509: #ifndef HAVE_STRSIGNAL
510: extern char *strsignal(int sig);
511: #endif
512: #ifndef HAVE_STRTOUL
1.3 anton 513: extern unsigned long int strtoul(const char *nptr, char **endptr, int base);
1.2 pazsan 514: #endif
515:
1.37 pazsan 516: #define GROUP(x, n)
1.53 pazsan 517: #define GROUPADD(n)
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