Annotation of gforth/engine/forth.h, revision 1.91

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

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