Annotation of gforth/engine/engine.c, revision 1.37

1.1       anton       1: /* Gforth virtual machine (aka inner interpreter)
                      2: 
1.22      anton       3:   Copyright (C) 1995,1996,1997,1998,2000 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
                      9:   as published by the Free Software Foundation; either version 2
                     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
                     18:   along with this program; if not, write to the Free Software
1.23      anton      19:   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.1       anton      20: */
                     21: 
1.36      pazsan     22: undefine(`symbols')
                     23: 
1.1       anton      24: #include "config.h"
1.31      pazsan     25: #include "forth.h"
1.1       anton      26: #include <ctype.h>
                     27: #include <stdio.h>
                     28: #include <string.h>
                     29: #include <math.h>
1.4       pazsan     30: #include <assert.h>
                     31: #include <stdlib.h>
                     32: #include <errno.h>
                     33: #include "io.h"
                     34: #include "threaded.h"
                     35: #ifndef STANDALONE
1.1       anton      36: #include <sys/types.h>
                     37: #include <sys/stat.h>
                     38: #include <fcntl.h>
                     39: #include <time.h>
                     40: #include <sys/time.h>
                     41: #include <unistd.h>
                     42: #include <pwd.h>
1.17      pazsan     43: #include <dirent.h>
1.21      anton      44: #include <sys/resource.h>
1.19      anton      45: #ifdef HAVE_FNMATCH_H
1.18      anton      46: #include <fnmatch.h>
1.19      anton      47: #else
                     48: #include "fnmatch.h"
                     49: #endif
1.4       pazsan     50: #else
                     51: #include "systypes.h"
                     52: #endif
1.1       anton      53: 
                     54: #if defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) /* what else? */
                     55: #include <dlfcn.h>
                     56: #endif
1.8       pazsan     57: #if defined(_WIN32)
                     58: #include <windows.h>
                     59: #endif
1.1       anton      60: #ifdef hpux
                     61: #include <dl.h>
                     62: #endif
                     63: 
                     64: #ifndef SEEK_SET
                     65: /* should be defined in stdio.h, but some systems don't have it */
                     66: #define SEEK_SET 0
                     67: #endif
                     68: 
                     69: #define IOR(flag)      ((flag)? -512-errno : 0)
                     70: 
1.4       pazsan     71: struct F83Name {
                     72:   struct F83Name *next;  /* the link field for old hands */
                     73:   char         countetc;
                     74:   char         name[0];
                     75: };
1.1       anton      76: 
                     77: #define F83NAME_COUNT(np)      ((np)->countetc & 0x1f)
1.25      anton      78: 
                     79: struct Longname {
                     80:   struct Longname *next;  /* the link field for old hands */
                     81:   Cell         countetc;
                     82:   char         name[0];
                     83: };
                     84: 
                     85: #define LONGNAME_COUNT(np)     ((np)->countetc & (((~((UCell)0))<<3)>>3))
1.1       anton      86: 
                     87: Cell *SP;
                     88: Float *FP;
                     89: Address UP=NULL;
                     90: 
                     91: #if 0
                     92: /* not used currently */
                     93: int emitcounter;
                     94: #endif
                     95: #define NULLC '\0'
                     96: 
1.14      pazsan     97: #ifdef MEMCMP_AS_SUBROUTINE
                     98: extern int gforth_memcmp(const char * s1, const char * s2, size_t n);
1.15      anton      99: #define memcmp(s1,s2,n) gforth_memcmp(s1,s2,n)
1.14      pazsan    100: #endif
                    101: 
1.9       pazsan    102: #ifdef HAS_FILE
1.1       anton     103: char *cstr(Char *from, UCell size, int clear)
                    104: /* return a C-string corresponding to the Forth string ( FROM SIZE ).
                    105:    the C-string lives until the next call of cstr with CLEAR being true */
                    106: {
                    107:   static struct cstr_buffer {
                    108:     char *buffer;
                    109:     size_t size;
                    110:   } *buffers=NULL;
                    111:   static int nbuffers=0;
                    112:   static int used=0;
                    113:   struct cstr_buffer *b;
                    114: 
                    115:   if (buffers==NULL)
                    116:     buffers=malloc(0);
                    117:   if (clear)
                    118:     used=0;
                    119:   if (used>=nbuffers) {
                    120:     buffers=realloc(buffers,sizeof(struct cstr_buffer)*(used+1));
                    121:     buffers[used]=(struct cstr_buffer){malloc(0),0};
                    122:     nbuffers=used+1;
                    123:   }
                    124:   b=&buffers[used];
                    125:   if (size+1 > b->size) {
                    126:     b->buffer = realloc(b->buffer,size+1);
                    127:     b->size = size+1;
                    128:   }
                    129:   memcpy(b->buffer,from,size);
                    130:   b->buffer[size]='\0';
                    131:   used++;
                    132:   return b->buffer;
                    133: }
                    134: 
                    135: char *tilde_cstr(Char *from, UCell size, int clear)
                    136: /* like cstr(), but perform tilde expansion on the string */
                    137: {
                    138:   char *s1,*s2;
                    139:   int s1_len, s2_len;
                    140:   struct passwd *getpwnam (), *user_entry;
                    141: 
                    142:   if (size<1 || from[0]!='~')
                    143:     return cstr(from, size, clear);
                    144:   if (size<2 || from[1]=='/') {
                    145:     s1 = (char *)getenv ("HOME");
                    146:     if(s1 == NULL)
                    147:       s1 = "";
                    148:     s2 = from+1;
                    149:     s2_len = size-1;
                    150:   } else {
                    151:     UCell i;
                    152:     for (i=1; i<size && from[i]!='/'; i++)
                    153:       ;
1.13      anton     154:     if (i==2 && from[1]=='+') /* deal with "~+", i.e., the wd */
                    155:       return cstr(from+3, size<3?0:size-3,clear);
1.1       anton     156:     {
                    157:       char user[i];
                    158:       memcpy(user,from+1,i-1);
                    159:       user[i-1]='\0';
                    160:       user_entry=getpwnam(user);
                    161:     }
                    162:     if (user_entry==NULL)
                    163:       return cstr(from, size, clear);
                    164:     s1 = user_entry->pw_dir;
                    165:     s2 = from+i;
                    166:     s2_len = size-i;
                    167:   }
                    168:   s1_len = strlen(s1);
                    169:   if (s1_len>1 && s1[s1_len-1]=='/')
                    170:     s1_len--;
                    171:   {
                    172:     char path[s1_len+s2_len];
                    173:     memcpy(path,s1,s1_len);
                    174:     memcpy(path+s1_len,s2,s2_len);
                    175:     return cstr(path,s1_len+s2_len,clear);
                    176:   }
                    177: }
1.9       pazsan    178: #endif
1.21      anton     179: 
                    180: DCell timeval2us(struct timeval *tvp)
                    181: {
                    182: #ifndef BUGGY_LONG_LONG
                    183:   return (tvp->tv_sec*(DCell)1000000)+tvp->tv_usec;
                    184: #else
                    185:   DCell d2;
                    186:   DCell d1=mmul(tvp->tv_sec,1000000);
                    187:   d2.lo = d1.lo+tvp->tv_usec;
                    188:   d2.hi = d1.hi + (d2.lo<d1.lo);
                    189:   return d2;
                    190: #endif
                    191: }
1.1       anton     192: 
                    193: #define NEWLINE        '\n'
                    194: 
                    195: #ifndef HAVE_RINT
                    196: #define rint(x)        floor((x)+0.5)
                    197: #endif
                    198: 
1.9       pazsan    199: #ifdef HAS_FILE
1.16      anton     200: static char* fileattr[6]={"rb","rb","r+b","r+b","wb","wb"};
1.32      pazsan    201: static char* pfileattr[6]={"r","r","r+","r+","w","w"};
1.1       anton     202: 
                    203: #ifndef O_BINARY
                    204: #define O_BINARY 0
                    205: #endif
                    206: #ifndef O_TEXT
                    207: #define O_TEXT 0
                    208: #endif
                    209: 
                    210: static int ufileattr[6]= {
1.16      anton     211:   O_RDONLY|O_BINARY, O_RDONLY|O_BINARY,
                    212:   O_RDWR  |O_BINARY, O_RDWR  |O_BINARY,
                    213:   O_WRONLY|O_BINARY, O_WRONLY|O_BINARY };
1.9       pazsan    214: #endif
1.1       anton     215: 
1.26      anton     216: /* conversion on fetch */
                    217: 
                    218: #define vm_Cell2f(x)           ((Bool)(x))
                    219: #define vm_Cell2c(x)           ((Char)(x))
                    220: #define vm_Cell2n(x)           ((Cell)x)
                    221: #define vm_Cell2w(x)           ((Cell)x)
                    222: #define vm_Cell2u(x)           ((UCell)(x))
                    223: #define vm_Cell2a_(x)          ((Cell *)(x))
                    224: #define vm_Cell2c_(x)          ((Char *)(x))
                    225: #define vm_Cell2f_(x)          ((Float *)(x))
                    226: #define vm_Cell2df_(x)         ((DFloat *)(x))
                    227: #define vm_Cell2sf_(x)         ((SFloat *)(x))
                    228: #define vm_Cell2xt(x)          ((Xt)(x))
                    229: #define vm_Cell2f83name(x)     ((struct F83Name *)(x))
                    230: #define vm_Cell2longname(x)    ((struct Longname *)(x))
                    231: #define vm_Float2r(x)  (x)
                    232: 
                    233: /* conversion on store */
                    234: 
                    235: #define vm_f2Cell(x)           ((Cell)(x))
                    236: #define vm_c2Cell(x)           ((Cell)(x))
                    237: #define vm_n2Cell(x)           ((Cell)(x))
                    238: #define vm_w2Cell(x)           ((Cell)(x))
                    239: #define vm_u2Cell(x)           ((Cell)(x))
                    240: #define vm_a_2Cell(x)          ((Cell)(x))
                    241: #define vm_c_2Cell(x)          ((Cell)(x))
                    242: #define vm_f_2Cell(x)          ((Cell)(x))
                    243: #define vm_df_2Cell(x)         ((Cell)(x))
                    244: #define vm_sf_2Cell(x)         ((Cell)(x))
                    245: #define vm_xt2Cell(x)          ((Cell)(x))
                    246: #define vm_f83name2Cell(x)     ((Cell)(x))
                    247: #define vm_longname2Cell(x)    ((Cell)(x))
                    248: #define vm_r2Float(x)  (x)
                    249: 
1.29      anton     250: #define vm_Cell2Cell(x)                (x)
                    251: 
1.1       anton     252: /* if machine.h has not defined explicit registers, define them as implicit */
                    253: #ifndef IPREG
                    254: #define IPREG
                    255: #endif
                    256: #ifndef SPREG
                    257: #define SPREG
                    258: #endif
                    259: #ifndef RPREG
                    260: #define RPREG
                    261: #endif
                    262: #ifndef FPREG
                    263: #define FPREG
                    264: #endif
                    265: #ifndef LPREG
                    266: #define LPREG
                    267: #endif
                    268: #ifndef CFAREG
                    269: #define CFAREG
                    270: #endif
                    271: #ifndef UPREG
                    272: #define UPREG
                    273: #endif
                    274: #ifndef TOSREG
                    275: #define TOSREG
                    276: #endif
                    277: #ifndef FTOSREG
                    278: #define FTOSREG
                    279: #endif
                    280: 
                    281: #ifndef CPU_DEP1
                    282: # define CPU_DEP1 0
                    283: #endif
                    284: 
                    285: /* declare and compute cfa for certain threading variants */
                    286: /* warning: this is nonsyntactical; it will not work in place of a statement */
1.12      anton     287: #ifndef GETCFA
1.1       anton     288: #define DOCFA
                    289: #else
                    290: #define DOCFA  Xt cfa; GETCFA(cfa)
                    291: #endif
                    292: 
1.28      anton     293: /* instructions containing these must be the last instruction of a
                    294:    super-instruction (e.g., branches, EXECUTE, and other instructions
                    295:    ending the basic block). Instructions containing SET_IP get this
                    296:    automatically, so you usually don't have to write it.  If you have
                    297:    to write it, write it after IP points to the next instruction.
                    298:    Used for profiling.  Don't write it in a word containing SET_IP, or
                    299:    the following block will be counted twice. */
                    300: #ifdef VM_PROFILING
                    301: #define SUPER_END  vm_count_block(IP)
                    302: #else
                    303: #define SUPER_END
                    304: #endif
1.35      anton     305: #define SUPER_CONTINUE
1.28      anton     306: 
1.10      anton     307: #ifdef GFORTH_DEBUGGING
                    308: /* define some VM registers as global variables, so they survive exceptions;
                    309:    global register variables are not up to the task (according to the 
                    310:    GNU C manual) */
                    311: Xt *ip;
                    312: Cell *rp;
                    313: #endif
                    314: 
1.37    ! pazsan    315: #ifdef DEBUG
        !           316: #define CFA_TO_NAME(__cfa) \
        !           317:       Cell len, i; \
        !           318:       char * name = __cfa; \
        !           319:       for(i=0; i<32; i+=sizeof(Cell)) { \
        !           320:         len = ((Cell*)name)[-1]; \
        !           321:         if(len < 0) { \
        !           322:          len &= 0x1F; \
        !           323:           if((len+sizeof(Cell)) > i) break; \
        !           324:        } len = 0; \
        !           325:        name -= sizeof(Cell); \
        !           326:       }
        !           327: #endif
        !           328: 
1.30      anton     329: Xt *primtable(Label symbols[], Cell size)
                    330: {
                    331: #ifdef DIRECT_THREADED
                    332:   return symbols;
                    333: #else /* !defined(DIRECT_THREADED) */
                    334:   Xt *xts = (Xt *)malloc(size*sizeof(Xt));
                    335:   Cell i;
                    336: 
                    337:   for (i=0; i<size; i++)
                    338:     xts[i] = &symbols[i];
                    339:   return xts;
                    340: #endif /* !defined(DIRECT_THREADED) */
                    341: }
                    342: 
1.34      anton     343: 
                    344: define(enginerest,
                    345: `(Xt *ip0, Cell *sp0, Cell *rp0, Float *fp0, Address lp0)
1.1       anton     346: /* executes code at ip, if ip!=NULL
                    347:    returns array of machine code labels (for use in a loader), if ip==NULL
                    348: */
                    349: {
1.10      anton     350: #ifndef GFORTH_DEBUGGING
                    351:   register Xt *ip IPREG;
                    352:   register Cell *rp RPREG;
                    353: #endif
1.1       anton     354:   register Cell *sp SPREG = sp0;
                    355:   register Float *fp FPREG = fp0;
                    356:   register Address lp LPREG = lp0;
                    357: #ifdef CFA_NEXT
                    358:   register Xt cfa CFAREG;
                    359: #endif
1.11      anton     360: #ifdef MORE_VARS
                    361:   MORE_VARS
                    362: #endif
1.1       anton     363:   register Address up UPREG = UP;
1.24      anton     364:   IF_spTOS(register Cell spTOS TOSREG;)
                    365:   IF_fpTOS(register Float fpTOS FTOSREG;)
1.1       anton     366: #if defined(DOUBLY_INDIRECT)
                    367:   static Label *symbols;
                    368:   static void *routines[]= {
1.27      anton     369: #define MAX_SYMBOLS (sizeof(routines)/sizeof(routines[0]))
1.1       anton     370: #else /* !defined(DOUBLY_INDIRECT) */
                    371:   static Label symbols[]= {
1.27      anton     372: #define MAX_SYMBOLS (sizeof(symbols)/sizeof(symbols[0]))
1.1       anton     373: #endif /* !defined(DOUBLY_INDIRECT) */
1.4       pazsan    374:     (Label)&&docol,
                    375:     (Label)&&docon,
                    376:     (Label)&&dovar,
                    377:     (Label)&&douser,
                    378:     (Label)&&dodefer,
                    379:     (Label)&&dofield,
                    380:     (Label)&&dodoes,
1.1       anton     381:     /* the following entry is normally unused;
1.34      anton     382:        it is there because its index indicates a does-handler */
1.7       pazsan    383:     CPU_DEP1,
1.34      anton     384: #define INST_ADDR(name) (Label)&&I_##name
                    385: #include "prim_lab.i"
                    386: #undef INST_ADDR
                    387:     (Label)&&after_last,
                    388:     (Label)0,
                    389: #ifdef IN_ENGINE2
                    390: #define INST_ADDR(name) (Label)&&J_##name
1.1       anton     391: #include "prim_lab.i"
1.34      anton     392: #undef INST_ADDR
                    393: #endif
1.1       anton     394:   };
                    395: #ifdef CPU_DEP2
                    396:   CPU_DEP2
                    397: #endif
                    398: 
1.10      anton     399:   ip = ip0;
                    400:   rp = rp0;
1.1       anton     401: #ifdef DEBUG
                    402:   fprintf(stderr,"ip=%x, sp=%x, rp=%x, fp=%x, lp=%x, up=%x\n",
                    403:           (unsigned)ip,(unsigned)sp,(unsigned)rp,
                    404:          (unsigned)fp,(unsigned)lp,(unsigned)up);
                    405: #endif
                    406: 
                    407:   if (ip == NULL) {
                    408: #if defined(DOUBLY_INDIRECT)
1.3       anton     409: #define CODE_OFFSET (22*sizeof(Cell))
1.1       anton     410:     int i;
1.3       anton     411:     Cell code_offset = offset_image? CODE_OFFSET : 0;
1.7       pazsan    412: 
1.3       anton     413:     symbols = (Label *)(malloc(MAX_SYMBOLS*sizeof(Cell)+CODE_OFFSET)+code_offset);
1.1       anton     414:     for (i=0; i<DOESJUMP+1; i++)
1.7       pazsan    415:       symbols[i] = (Label)routines[i];
1.1       anton     416:     for (; routines[i]!=0; i++) {
                    417:       if (i>=MAX_SYMBOLS) {
                    418:        fprintf(stderr,"gforth-ditc: more than %d primitives\n",MAX_SYMBOLS);
                    419:        exit(1);
1.20      anton     420:       }
                    421:       symbols[i] = &routines[i];
1.1       anton     422:     }
1.20      anton     423: #endif /* defined(DOUBLY_INDIRECT) */
                    424:     return symbols;
1.7       pazsan    425:   }
1.1       anton     426: 
1.24      anton     427:   IF_spTOS(spTOS = sp[0]);
                    428:   IF_fpTOS(fpTOS = fp[0]);
1.7       pazsan    429: /*  prep_terminal(); */
1.11      anton     430:   SET_IP(ip);
1.28      anton     431:   SUPER_END; /* count the first block, too */
1.1       anton     432:   NEXT;
                    433: 
1.11      anton     434: 
1.1       anton     435: #ifdef CPU_DEP3
                    436:   CPU_DEP3
                    437: #endif
                    438:   
                    439:  docol:
                    440:   {
                    441:     DOCFA;
                    442: #ifdef DEBUG
1.37    ! pazsan    443:     {
        !           444:       CFA_TO_NAME(cfa);
        !           445:       fprintf(stderr,"%08lx: col: %08lx %.*s\n",(Cell)ip,(Cell)PFA1(cfa),
        !           446:              len,name);
        !           447:     }
1.1       anton     448: #endif
                    449: #ifdef CISC_NEXT
                    450:     /* this is the simple version */
                    451:     *--rp = (Cell)ip;
1.11      anton     452:     SET_IP((Xt *)PFA1(cfa));
1.28      anton     453:     SUPER_END;
1.1       anton     454:     NEXT;
                    455: #else
1.11      anton     456:     /* this one is important, so we help the compiler optimizing */
1.1       anton     457:     {
                    458:       DEF_CA
1.11      anton     459:       rp[-1] = (Cell)ip;
                    460:       SET_IP((Xt *)PFA1(cfa));
1.28      anton     461:       SUPER_END;
1.11      anton     462:       NEXT_P1;
                    463:       rp--;
                    464:       NEXT_P2;
1.1       anton     465:     }
                    466: #endif
                    467:   }
                    468: 
                    469:  docon:
                    470:   {
                    471:     DOCFA;
                    472: #ifdef DEBUG
                    473:     fprintf(stderr,"%08lx: con: %08lx\n",(Cell)ip,*(Cell*)PFA1(cfa));
                    474: #endif
                    475: #ifdef USE_TOS
1.24      anton     476:     *sp-- = spTOS;
                    477:     spTOS = *(Cell *)PFA1(cfa);
1.1       anton     478: #else
                    479:     *--sp = *(Cell *)PFA1(cfa);
                    480: #endif
                    481:   }
                    482:   NEXT_P0;
                    483:   NEXT;
                    484:   
                    485:  dovar:
                    486:   {
                    487:     DOCFA;
                    488: #ifdef DEBUG
                    489:     fprintf(stderr,"%08lx: var: %08lx\n",(Cell)ip,(Cell)PFA1(cfa));
                    490: #endif
                    491: #ifdef USE_TOS
1.24      anton     492:     *sp-- = spTOS;
                    493:     spTOS = (Cell)PFA1(cfa);
1.1       anton     494: #else
                    495:     *--sp = (Cell)PFA1(cfa);
                    496: #endif
                    497:   }
                    498:   NEXT_P0;
                    499:   NEXT;
                    500:   
                    501:  douser:
                    502:   {
                    503:     DOCFA;
                    504: #ifdef DEBUG
                    505:     fprintf(stderr,"%08lx: user: %08lx\n",(Cell)ip,(Cell)PFA1(cfa));
                    506: #endif
                    507: #ifdef USE_TOS
1.24      anton     508:     *sp-- = spTOS;
                    509:     spTOS = (Cell)(up+*(Cell*)PFA1(cfa));
1.1       anton     510: #else
                    511:     *--sp = (Cell)(up+*(Cell*)PFA1(cfa));
                    512: #endif
                    513:   }
                    514:   NEXT_P0;
                    515:   NEXT;
                    516:   
                    517:  dodefer:
                    518:   {
                    519:     DOCFA;
                    520: #ifdef DEBUG
                    521:     fprintf(stderr,"%08lx: defer: %08lx\n",(Cell)ip,*(Cell*)PFA1(cfa));
                    522: #endif
1.28      anton     523:     SUPER_END;
1.1       anton     524:     EXEC(*(Xt *)PFA1(cfa));
                    525:   }
                    526: 
                    527:  dofield:
                    528:   {
                    529:     DOCFA;
                    530: #ifdef DEBUG
                    531:     fprintf(stderr,"%08lx: field: %08lx\n",(Cell)ip,(Cell)PFA1(cfa));
                    532: #endif
1.24      anton     533:     spTOS += *(Cell*)PFA1(cfa);
1.1       anton     534:   }
                    535:   NEXT_P0;
                    536:   NEXT;
                    537: 
                    538:  dodoes:
                    539:   /* this assumes the following structure:
                    540:      defining-word:
                    541:      
                    542:      ...
                    543:      DOES>
                    544:      (possible padding)
                    545:      possibly handler: jmp dodoes
                    546:      (possible branch delay slot(s))
                    547:      Forth code after DOES>
                    548:      
                    549:      defined word:
                    550:      
                    551:      cfa: address of or jump to handler OR
                    552:           address of or jump to dodoes, address of DOES-code
                    553:      pfa:
                    554:      
                    555:      */
                    556:   {
                    557:     DOCFA;
                    558: 
                    559:     /*    fprintf(stderr, "Got CFA %08lx at doescode %08lx/%08lx: does: %08lx\n",cfa,(Cell)ip,(Cell)PFA(cfa),(Cell)DOES_CODE1(cfa));*/
                    560: #ifdef DEBUG
                    561:     fprintf(stderr,"%08lx/%08lx: does: %08lx\n",(Cell)ip,(Cell)PFA(cfa),(Cell)DOES_CODE1(cfa));
                    562:     fflush(stderr);
                    563: #endif
                    564:     *--rp = (Cell)ip;
                    565:     /* PFA1 might collide with DOES_CODE1 here, so we use PFA */
                    566: #ifdef USE_TOS
1.24      anton     567:     *sp-- = spTOS;
                    568:     spTOS = (Cell)PFA(cfa);
1.1       anton     569: #else
                    570:     *--sp = (Cell)PFA(cfa);
                    571: #endif
1.11      anton     572:     SET_IP(DOES_CODE1(cfa));
1.28      anton     573:     SUPER_END;
1.24      anton     574:     /*    fprintf(stderr,"TOS = %08lx, IP=%08lx\n", spTOS, IP);*/
1.1       anton     575:   }
                    576:   NEXT;
                    577: 
1.34      anton     578: #ifndef IN_ENGINE2
1.33      anton     579: #define LABEL(name) I_##name
1.34      anton     580: #else
                    581: #define LABEL(name) J_##name: asm(".skip 16"); I_##name
                    582: #endif
1.1       anton     583: #include "prim.i"
1.34      anton     584: #undef LABEL
                    585:   after_last: return (Label *)0;
                    586:   /*needed only to get the length of the last primitive */
                    587: }'
                    588: )
                    589: 
                    590: Label *engine enginerest
                    591: 
                    592: #define IN_ENGINE2
                    593: Label *engine2 enginerest
                    594: 

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