Annotation of gforth/engine/forth.h, revision 1.124
1.1 anton 1: /* common header file
2:
1.116 anton 3: Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010,2011 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
1.110 anton 103: #define DOABICODE 8
104: #define DOSEMIABICODE 9
1.108 dvdkhlng 105: #define DOER_MAX 9
1.1 anton 106:
1.6 jwilke 107: #include "machine.h"
1.1 anton 108:
1.68 pazsan 109: /* C interface data types */
110:
111: typedef WYDE_TYPE Wyde;
112: typedef TETRABYTE_TYPE Tetrabyte;
1.112 pazsan 113: typedef OCTABYTE_TYPE Octabyte;
1.68 pazsan 114: typedef unsigned WYDE_TYPE UWyde;
115: typedef unsigned TETRABYTE_TYPE UTetrabyte;
1.112 pazsan 116: typedef unsigned OCTABYTE_TYPE UOctabyte;
1.68 pazsan 117:
1.1 anton 118: /* Forth data types */
119: /* Cell and UCell must be the same size as a pointer */
120: #define CELL_BITS (sizeof(Cell) * CHAR_BIT)
1.77 anton 121: #define CELL_MIN (((Cell)1)<<(sizeof(Cell)*CHAR_BIT-1))
1.78 anton 122:
123: #define HALFCELL_BITS (CELL_BITS/2)
124: #define HALFCELL_MASK ((~(UCell)0)>>HALFCELL_BITS)
125: #define UH(x) (((UCell)(x))>>HALFCELL_BITS)
126: #define LH(x) ((x)&HALFCELL_MASK)
127: #define L2U(x) (((UCell)(x))<<HALFCELL_BITS)
128: #define HIGHBIT(x) (((UCell)(x))>>(CELL_BITS-1))
129:
1.1 anton 130: #define FLAG(b) (-(b))
131: #define FILEIO(error) (FLAG(error) & -37)
132: #define FILEEXIST(error) (FLAG(error) & -38)
133:
134: #define F_TRUE (FLAG(0==0))
135: #define F_FALSE (FLAG(0!=0))
136:
1.65 pazsan 137: /* define this false if you want native division */
1.66 pazsan 138: #ifdef FORCE_CDIV
139: #define FLOORED_DIV 0
140: #else
1.65 pazsan 141: #define FLOORED_DIV ((1%-3)>0)
1.66 pazsan 142: #endif
1.65 pazsan 143:
1.93 anton 144: #if defined(BUGGY_LONG_LONG)
1.64 pazsan 145:
146: #define BUGGY_LL_CMP /* compares not possible */
147: #define BUGGY_LL_MUL /* multiplication not possible */
148: #define BUGGY_LL_DIV /* division not possible */
149: #define BUGGY_LL_ADD /* addition not possible */
150: #define BUGGY_LL_SHIFT /* shift not possible */
151: #define BUGGY_LL_D2F /* to float not possible */
152: #define BUGGY_LL_F2D /* from float not possible */
153: #define BUGGY_LL_SIZE /* long long "too short", so we use something else */
154:
1.1 anton 155: typedef struct {
156: Cell hi;
157: UCell lo;
158: } DCell;
159:
160: typedef struct {
161: UCell hi;
162: UCell lo;
163: } UDCell;
164:
1.64 pazsan 165: #define DHI(x) (x).hi
166: #define DLO(x) (x).lo
167: #define DHI_IS(x,y) (x).hi=(y)
168: #define DLO_IS(x,y) (x).lo=(y)
169:
1.78 anton 170: #define UD2D(ud) ({UDCell _ud=(ud); (DCell){_ud.hi,_ud.lo};})
1.80 anton 171: #define D2UD(d) ({DCell _d1=(d); (UDCell){_d1.hi,_d1.lo};})
172:
173: /* shifts by less than CELL_BITS */
1.104 anton 174: #define DLSHIFT(d,u) ({DCell _d=(d); UCell _u=(u); \
175: ((_u==0) ? \
176: _d : \
177: (DCell){(_d.hi<<_u)|(_d.lo>>(CELL_BITS-_u)), \
178: _d.lo<<_u});})
179:
1.80 anton 180: #define UDLSHIFT(ud,u) D2UD(DLSHIFT(UD2D(ud),u))
1.78 anton 181:
1.39 anton 182: #if SMALL_OFF_T
183: #define OFF2UD(o) ({UDCell _ud; _ud.hi=0; _ud.lo=(Cell)(o); _ud;})
184: #define UD2OFF(ud) ((ud).lo)
185: #else /* !SMALL_OFF_T */
186: #define OFF2UD(o) ({UDCell _ud; off_t _o=(o); _ud.hi=_o>>CELL_BITS; _ud.lo=(Cell)_o; _ud;})
1.36 anton 187: #define UD2OFF(ud) ({UDCell _ud=(ud); (((off_t)_ud.hi)<<CELL_BITS)+_ud.lo;})
1.39 anton 188: #endif /* !SMALL_OFF_T */
1.1 anton 189: #define DZERO ((DCell){0,0})
190:
1.93 anton 191: #else /* !defined(BUGGY_LONG_LONG) */
1.1 anton 192:
193: /* DCell and UDCell must be twice as large as Cell */
194: typedef DOUBLE_CELL_TYPE DCell;
1.63 pazsan 195: typedef DOUBLE_UCELL_TYPE UDCell;
1.1 anton 196:
1.93 anton 197: #define DHI(x) ({ Double_Store _d; _d.d=(x); _d.cells.high; })
198: #define DLO(x) ({ Double_Store _d; _d.d=(x); _d.cells.low; })
199:
200: /* beware with the assignment: x is referenced twice! */
201: #define DHI_IS(x,y) ({ Double_Store _d; _d.d=(x); _d.cells.high=(y); (x)=_d.d; })
202: #define DLO_IS(x,y) ({ Double_Store _d; _d.d=(x); _d.cells.low =(y); (x)=_d.d; })
203:
204: #define UD2D(ud) ((DCell)(ud))
205: #define D2UD(d) ((UDCell)(d))
1.36 anton 206: #define OFF2UD(o) ((UDCell)(o))
207: #define UD2OFF(ud) ((off_t)(ud))
1.16 anton 208: #define DZERO ((DCell)0)
1.80 anton 209: /* shifts by less than CELL_BITS */
210: #define DLSHIFT(d,u) ((d)<<(u))
211: #define UDLSHIFT(d,u) ((d)<<(u))
1.16 anton 212:
1.93 anton 213: #endif /* !defined(BUGGY_LONG_LONG) */
1.16 anton 214:
1.1 anton 215: typedef union {
216: struct {
1.16 anton 217: #if defined(WORDS_BIGENDIAN)||defined(BUGGY_LONG_LONG)
1.1 anton 218: Cell high;
219: UCell low;
220: #else
221: UCell low;
222: Cell high;
1.20 crook 223: #endif
1.1 anton 224: } cells;
1.16 anton 225: DCell d;
226: UDCell ud;
1.1 anton 227: } Double_Store;
1.64 pazsan 228:
1.16 anton 229: #define FETCH_DCELL_T(d_,lo,hi,t_) ({ \
1.1 anton 230: Double_Store _d; \
231: _d.cells.low = (lo); \
232: _d.cells.high = (hi); \
1.16 anton 233: (d_) = _d.t_; \
1.1 anton 234: })
235:
1.16 anton 236: #define STORE_DCELL_T(d_,lo,hi,t_) ({ \
1.1 anton 237: Double_Store _d; \
1.16 anton 238: _d.t_ = (d_); \
1.1 anton 239: (lo) = _d.cells.low; \
240: (hi) = _d.cells.high; \
241: })
242:
1.28 anton 243: #define vm_twoCell2d(lo,hi,d_) FETCH_DCELL_T(d_,lo,hi,d);
244: #define vm_twoCell2ud(lo,hi,d_) FETCH_DCELL_T(d_,lo,hi,ud);
1.1 anton 245:
1.28 anton 246: #define vm_d2twoCell(d_,lo,hi) STORE_DCELL_T(d_,lo,hi,d);
247: #define vm_ud2twoCell(d_,lo,hi) STORE_DCELL_T(d_,lo,hi,ud);
1.1 anton 248:
249: typedef Label *Xt;
250:
251: /* PFA gives the parameter field address corresponding to a cfa */
252: #define PFA(cfa) (((Cell *)cfa)+2)
253: /* PFA1 is a special version for use just after a NEXT1 */
254: #define PFA1(cfa) PFA(cfa)
255: /* CODE_ADDRESS is the address of the code jumped to through the code field */
256: #define CODE_ADDRESS(cfa) (*(Xt)(cfa))
257:
258: /* DOES_CODE is the Forth code does jumps to */
259: #if !defined(DOUBLY_INDIRECT)
260: # define DOES_CA (symbols[DODOES])
261: #else /* defined(DOUBLY_INDIRECT) */
1.24 anton 262: # define DOES_CA ((Label)&xts[DODOES])
1.1 anton 263: #endif /* defined(DOUBLY_INDIRECT) */
264:
265:
266:
267: #define DOES_CODE1(cfa) ((Xt *)(cfa[1]))
268: /* MAKE_CF creates an appropriate code field at the cfa;
269: ca is the code address */
270: #define MAKE_CF(cfa,ca) ((*(Label *)(cfa)) = ((Label)ca))
271: /* make a code field for a defining-word-defined word */
272:
273: #define CF(const) (-const-2)
274:
275: #define CF_NIL -1
276:
277: #ifndef FLUSH_ICACHE
278: #warning flush-icache probably will not work (see manual)
279: # define FLUSH_ICACHE(addr,size)
1.45 anton 280: #warning no FLUSH_ICACHE, turning off dynamic native code by default
281: #undef NO_DYNAMIC_DEFAULT
282: #define NO_DYNAMIC_DEFAULT 1
1.1 anton 283: #endif
284:
1.113 dvdkhlng 285: #ifndef CHECK_PRIM
286: #define CHECK_PRIM(start,len) 0
287: #endif
288:
1.67 anton 289: #if defined(GFORTH_DEBUGGING) || defined(INDIRECT_THREADED) || defined(DOUBLY_INDIRECT) || defined(VM_PROFILING)
290: #define STACK_CACHE_DEFAULT 0
1.1 anton 291: #else
1.67 anton 292: #define STACK_CACHE_DEFAULT STACK_CACHE_DEFAULT_FAST
1.1 anton 293: #endif
294:
295: #ifdef USE_FTOS
1.14 anton 296: #define IF_fpTOS(x) x
1.1 anton 297: #else
1.14 anton 298: #define IF_fpTOS(x)
299: #define fpTOS (fp[0])
1.1 anton 300: #endif
301:
1.15 anton 302: #define IF_rpTOS(x)
303: #define rpTOS (rp[0])
304:
1.10 anton 305: typedef struct {
306: Address base; /* base address of image (0 if relocatable) */
307: UCell checksum; /* checksum of ca's to protect against some
308: incompatible binary/executable combinations
309: (0 if relocatable) */
310: UCell image_size; /* all sizes in bytes */
311: UCell dict_size;
312: UCell data_stack_size;
313: UCell fp_stack_size;
314: UCell return_stack_size;
315: UCell locals_stack_size;
316: Xt *boot_entry; /* initial ip for booting (in BOOT) */
317: Xt *throw_entry; /* ip after signal (in THROW) */
318: Cell unused1; /* possibly tib stack size */
1.24 anton 319: Label *xt_base; /* base of DOUBLE_INDIRECT xts[], for comp-i.fs */
1.10 anton 320: Address data_stack_base; /* this and the following fields are initialized by the loader */
321: Address fp_stack_base;
322: Address return_stack_base;
323: Address locals_stack_base;
324: } ImageHeader;
325: /* the image-header is created in main.fs */
326:
1.82 pazsan 327: #ifdef HAS_F83HEADERSTRING
328: struct F83Name {
329: struct F83Name *next; /* the link field for old hands */
330: char countetc;
331: char name[0];
332: };
333:
334: #define F83NAME_COUNT(np) ((np)->countetc & 0x1f)
335: #endif
1.48 anton 336: struct Longname {
337: struct Longname *next; /* the link field for old hands */
338: Cell countetc;
339: char name[0];
340: };
341:
1.106 anton 342: #define LONGNAME_COUNT(np) ((np)->countetc & (((~((UCell)0))<<4)>>4))
1.48 anton 343:
344: struct Cellpair {
345: Cell n1;
346: Cell n2;
347: };
348:
349: struct Cellquad {
350: Cell n1;
351: Cell n2;
352: Cell n3;
353: Cell n4;
354: };
1.49 anton 355:
356: #define IOR(flag) ((flag)? -512-errno : 0)
1.48 anton 357:
1.91 anton 358: #ifdef GFORTH_DEBUGGING
359: #if defined(GLOBALS_NONRELOC)
360: /* if globals cause non-relocatable primitives, keep saved_ip and rp
361: in a structure and access it through locals */
362: typedef struct saved_regs {
363: Xt *sr_saved_ip;
364: Cell *sr_rp;
365: } saved_regs;
1.120 pazsan 366: extern saved_regs saved_regs_v;
1.122 pazsan 367: extern PER_THREAD saved_regs *saved_regs_p;
1.91 anton 368: #define saved_ip (saved_regs_p->sr_saved_ip)
369: #define rp (saved_regs_p->sr_rp)
370: /* for use in gforth_engine header */
1.94 anton 371: #error sr_proto not passed in fflib.fs callbacks (solution: disable GLOBALS_NONRELOC)
1.92 anton 372: #define sr_proto , struct saved_regs *saved_regs_p0
1.91 anton 373: #define sr_call , saved_regs_p
374: #else /* !defined(GLOBALS_NONRELOC) */
1.122 pazsan 375: extern PER_THREAD Xt *saved_ip;
376: extern PER_THREAD Cell *rp;
1.91 anton 377: #define sr_proto
378: #define sr_call
379: #endif /* !defined(GLOBALS_NONRELOC) */
380: #else /* !defined(GFORTH_DEBUGGING) */
381: #define sr_proto
382: #define sr_call
383: #endif /* !defined(GFORTH_DEBUGGING) */
384:
385: Label *gforth_engine(Xt *ip, Cell *sp, Cell *rp0, Float *fp, Address lp sr_proto);
386: Label *gforth_engine2(Xt *ip, Cell *sp, Cell *rp0, Float *fp, Address lp sr_proto);
387: Label *gforth_engine3(Xt *ip, Cell *sp, Cell *rp0, Float *fp, Address lp sr_proto);
1.48 anton 388:
1.124 ! pazsan 389: int gforth_main(int argc, char **argv, char **env);
! 390:
1.110 anton 391: /* for ABI-CODE and ;ABI-CODE */
1.109 anton 392: typedef Cell *abifunc(Cell *sp, Float **fpp);
1.110 anton 393: typedef Cell *semiabifunc(Cell *sp, Float **fpp, Address body);
1.109 anton 394:
1.48 anton 395: /* engine/prim support routines */
1.71 pazsan 396: Address gforth_alloc(Cell size);
1.118 pazsan 397: char *cstr(Char *from, UCell size);
398: char *tilde_cstr(Char *from, UCell size);
1.85 anton 399: Cell opencreate_file(char *s, Cell wfam, int flags, Cell *wiorp);
1.35 anton 400: DCell timeval2us(struct timeval *tvp);
1.115 pazsan 401: DCell timespec2ns(struct timespec *tvp);
1.48 anton 402: void cmove(Char *c_from, Char *c_to, UCell u);
403: void cmove_up(Char *c_from, Char *c_to, UCell u);
404: Cell compare(Char *c_addr1, UCell u1, Char *c_addr2, UCell u2);
405: struct Longname *listlfind(Char *c_addr, UCell u, struct Longname *longname1);
406: struct Longname *hashlfind(Char *c_addr, UCell u, Cell *a_addr);
407: struct Longname *tablelfind(Char *c_addr, UCell u, Cell *a_addr);
408: UCell hashkey1(Char *c_addr, UCell u, UCell ubits);
409: struct Cellpair parse_white(Char *c_addr1, UCell u1);
410: Cell rename_file(Char *c_addr1, UCell u1, Char *c_addr2, UCell u2);
1.105 anton 411: struct Cellquad read_line(Char *c_addr, UCell u1, FILE *wfileid);
1.48 anton 412: struct Cellpair file_status(Char *c_addr, UCell u);
1.123 pazsan 413: Cell to_float(Char *c_addr, UCell u, Float *r_p, Char dot);
1.48 anton 414: Float v_star(Float *f_addr1, Cell nstride1, Float *f_addr2, Cell nstride2, UCell ucount);
415: void faxpy(Float ra, Float *f_x, Cell nstridex, Float *f_y, Cell nstridey, UCell ucount);
1.60 pazsan 416: UCell lshift(UCell u1, UCell n);
417: UCell rshift(UCell u1, UCell n);
1.61 anton 418: int gforth_system(Char *c_addr, UCell u);
1.83 anton 419: void gforth_ms(UCell u);
1.102 pazsan 420: UCell gforth_dlopen(Char *c_addr, UCell u);
1.72 pazsan 421: Cell capscompare(Char *c_addr1, UCell u1, Char *c_addr2, UCell u2);
1.105 anton 422: int gf_ungetc(int c, FILE *stream);
423: void gf_regetc(FILE *stream);
424: int gf_ungottenc(FILE *stream);
1.1 anton 425:
1.50 anton 426: /* signal handler stuff */
427: void install_signal_handlers(void);
1.75 anton 428: void throw(int code);
1.76 anton 429: /* throw codes */
430: #define BALL_DIVZERO -10
431: #define BALL_RESULTRANGE -11
432:
1.50 anton 433: typedef void Sigfunc(int);
434: Sigfunc *bsd_signal(int signo, Sigfunc *func);
435:
1.1 anton 436: /* dblsub routines */
437: DCell dnegate(DCell d1);
438: UDCell ummul (UCell a, UCell b);
439: DCell mmul (Cell a, Cell b);
440: UDCell umdiv (UDCell u, UCell v);
441: DCell smdiv (DCell num, Cell denom);
442: DCell fmdiv (DCell num, Cell denom);
443:
1.7 pazsan 444: Cell memcasecmp(const Char *s1, const Char *s2, Cell n);
1.1 anton 445:
1.18 anton 446: void vm_print_profile(FILE *file);
447: void vm_count_block(Xt *ip);
1.17 anton 448:
1.22 anton 449: /* dynamic superinstruction stuff */
1.33 anton 450: void compile_prim1(Cell *start);
451: void finish_code(void);
1.34 anton 452: int forget_dyncode(Address code);
453: Label decompile_code(Label prim);
1.17 anton 454:
1.1 anton 455: extern int offset_image;
1.5 anton 456: extern int die_on_signal;
1.74 anton 457: extern int ignore_async_signals;
1.10 anton 458: extern UCell pagesize;
459: extern ImageHeader *gforth_header;
1.19 anton 460: extern Label *vm_prims;
1.24 anton 461: extern Label *xts;
1.25 anton 462: extern Cell npriminfos;
1.2 pazsan 463:
1.31 anton 464: #ifdef HAS_DEBUG
465: extern int debug;
466: #else
467: # define debug 0
468: #endif
469:
1.122 pazsan 470: extern PER_THREAD Cell *gforth_SP;
471: extern PER_THREAD Cell *gforth_RP;
472: extern PER_THREAD Address gforth_LP;
473: extern PER_THREAD Float *gforth_FP;
474: extern PER_THREAD Address gforth_UP;
1.35 anton 475:
1.121 pazsan 476: extern void * gforth_pointers(Cell n);
1.118 pazsan 477:
1.53 pazsan 478: #ifdef HAS_FFCALL
1.71 pazsan 479: extern void gforth_callback(Xt* fcall, void * alist);
1.53 pazsan 480: #endif
481:
1.35 anton 482: #ifdef NO_IP
483: extern Label next_code;
484: #endif
485:
486: #ifdef HAS_FILE
487: extern char* fileattr[6];
488: extern char* pfileattr[6];
489: extern int ufileattr[6];
1.9 anton 490: #endif
491:
1.27 anton 492: #ifdef PRINT_SUPER_LENGTHS
493: Cell prim_length(Cell prim);
494: void print_super_lengths();
495: #endif
1.9 anton 496:
1.2 pazsan 497: /* declare all the functions that are missing */
498: #ifndef HAVE_ATANH
499: extern double atanh(double r1);
500: extern double asinh(double r1);
501: extern double acosh(double r1);
502: #endif
503: #ifndef HAVE_ECVT
1.4 anton 504: /* extern char* ecvt(double x, int len, int* exp, int* sign);*/
1.2 pazsan 505: #endif
506: #ifndef HAVE_MEMMOVE
1.3 anton 507: /* extern char *memmove(char *dest, const char *src, long n); */
1.2 pazsan 508: #endif
509: #ifndef HAVE_POW10
510: extern double pow10(double x);
511: #endif
512: #ifndef HAVE_STRERROR
513: extern char *strerror(int err);
514: #endif
515: #ifndef HAVE_STRSIGNAL
516: extern char *strsignal(int sig);
517: #endif
518: #ifndef HAVE_STRTOUL
1.3 anton 519: extern unsigned long int strtoul(const char *nptr, char **endptr, int base);
1.2 pazsan 520: #endif
521:
1.37 pazsan 522: #define GROUP(x, n)
1.53 pazsan 523: #define GROUPADD(n)
1.112 pazsan 524:
525: #ifdef HAVE_ENDIAN_H
526: #include <endian.h>
527: #else
528: #define BSWAP16(x) ((((x) >> 8) & 0xff | (((x) & 0xff) << 8)))
529: #define BSWAP32(x) ((BSWAP16((x) >> 16) | (BSWAP16(x) << 16)))
530: #define BSWAP64(x) ((BSWAP32((x) >> 32) | (BSWAP32(x) << 32)))
531: #ifdef WORDS_BIGENDIAN
532: #define htobe16(x) (x)
533: #define htobe32(x) (x)
534: #define htobe64(x) (x)
535: #define be16toh(x) (x)
536: #define be32toh(x) (x)
537: #define be64toh(x) (x)
538: #define htole16(x) BSWAP16(x)
539: #define htole32(x) BSWAP32(x)
540: #define htole64(x) BSWAP64(x)
541: #define le16toh(x) BSWAP16(x)
542: #define le32toh(x) BSWAP32(x)
543: #define le64toh(x) BSWAP64(x)
544: #else
545: #define htobe16(x) BSWAP16(x)
546: #define htobe32(x) BSWAP32(x)
547: #define htobe64(x) BSWAP64(x)
548: #define be16toh(x) BSWAP16(x)
549: #define be32toh(x) BSWAP32(x)
550: #define be64toh(x) BSWAP64(x)
551: #define htole16(x) (x)
552: #define htole32(x) (x)
553: #define htole64(x) (x)
554: #define le16toh(x) (x)
555: #define le32toh(x) (x)
556: #define le64toh(x) (x)
557: #endif
558: #endif
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