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| 1 : | anton | 1.30 | /* command line interpretation, image loading etc. for Gforth |
| 2 : | |||
| 3 : | |||
| 4 : | Copyright (C) 1995 Free Software Foundation, Inc. | ||
| 5 : | |||
| 6 : | This file is part of Gforth. | ||
| 7 : | |||
| 8 : | Gforth is free software; you can redistribute it and/or | ||
| 9 : | modify it under the terms of the GNU General Public License | ||
| 10 : | as published by the Free Software Foundation; either version 2 | ||
| 11 : | of the License, or (at your option) any later version. | ||
| 12 : | |||
| 13 : | This program is distributed in the hope that it will be useful, | ||
| 14 : | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 15 : | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 16 : | GNU General Public License for more details. | ||
| 17 : | |||
| 18 : | You should have received a copy of the GNU General Public License | ||
| 19 : | along with this program; if not, write to the Free Software | ||
| 20 : | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 21 : | anton | 1.1 | */ |
| 22 : | |||
| 23 : | anton | 1.32 | #include "config.h" |
| 24 : | anton | 1.35 | #include <errno.h> |
| 25 : | anton | 1.1 | #include <ctype.h> |
| 26 : | #include <stdio.h> | ||
| 27 : | #include <string.h> | ||
| 28 : | #include <math.h> | ||
| 29 : | #include <sys/types.h> | ||
| 30 : | #include <sys/stat.h> | ||
| 31 : | #include <fcntl.h> | ||
| 32 : | #include <assert.h> | ||
| 33 : | #include <stdlib.h> | ||
| 34 : | #include "forth.h" | ||
| 35 : | pazsan | 1.5 | #include "io.h" |
| 36 : | anton | 1.20 | #include "getopt.h" |
| 37 : | pazsan | 1.2 | |
| 38 : | pazsan | 1.22 | #ifdef MSDOS |
| 39 : | jmp_buf throw_jmp_buf; | ||
| 40 : | #endif | ||
| 41 : | |||
| 42 : | anton | 1.10 | #ifndef DEFAULTPATH |
| 43 : | pazsan | 1.16 | # define DEFAULTPATH "/usr/local/lib/gforth:." |
| 44 : | anton | 1.10 | #endif |
| 45 : | |||
| 46 : | anton | 1.1 | #ifdef DIRECT_THREADED |
| 47 : | pazsan | 1.16 | # define CA(n) (symbols[(n)]) |
| 48 : | anton | 1.1 | #else |
| 49 : | pazsan | 1.21 | # define CA(n) ((Cell)(symbols+(n))) |
| 50 : | anton | 1.1 | #endif |
| 51 : | |||
| 52 : | pazsan | 1.23 | #define maxaligned(n) (typeof(n))((((Cell)n)+sizeof(Float)-1)&-sizeof(Float)) |
| 53 : | anton | 1.10 | |
| 54 : | pazsan | 1.21 | static Cell dictsize=0; |
| 55 : | static Cell dsize=0; | ||
| 56 : | static Cell rsize=0; | ||
| 57 : | static Cell fsize=0; | ||
| 58 : | static Cell lsize=0; | ||
| 59 : | anton | 1.10 | char *progname; |
| 60 : | |||
| 61 : | anton | 1.1 | /* image file format: |
| 62 : | anton | 1.35 | * "#! binary-path -i\n" (e.g., "#! /usr/local/bin/gforth-0.2.0 -i\n") |
| 63 : | * padding to a multiple of 8 | ||
| 64 : | anton | 1.36 | * magic: "Gforth1x" means format 0.2, |
| 65 : | anton | 1.35 | * where x is even for big endian and odd for little endian |
| 66 : | * and x & ~1 is the size of the cell in bytes. | ||
| 67 : | * padding to max alignment (no padding necessary on current machines) | ||
| 68 : | * ImageHeader structure (see below) | ||
| 69 : | * data (size in ImageHeader.image_size) | ||
| 70 : | * tags ((if relocatable, 1 bit/data cell) | ||
| 71 : | anton | 1.1 | * |
| 72 : | anton | 1.35 | * tag==1 means that the corresponding word is an address; |
| 73 : | anton | 1.1 | * If the word is >=0, the address is within the image; |
| 74 : | * addresses within the image are given relative to the start of the image. | ||
| 75 : | anton | 1.35 | * If the word =-1 (CF_NIL), the address is NIL, |
| 76 : | * If the word is <CF_NIL and >CF(DODOES), it's a CFA (:, Create, ...) | ||
| 77 : | * If the word =CF(DODOES), it's a DOES> CFA | ||
| 78 : | * If the word =CF(DOESJUMP), it's a DOES JUMP (2 Cells after DOES>, | ||
| 79 : | * possibly containing a jump to dodoes) | ||
| 80 : | * If the word is <CF(DOESJUMP), it's a primitive | ||
| 81 : | anton | 1.1 | */ |
| 82 : | |||
| 83 : | anton | 1.35 | typedef struct { |
| 84 : | Address base; /* base address of image (0 if relocatable) */ | ||
| 85 : | UCell checksum; /* checksum of ca's to protect against some | ||
| 86 : | incompatible binary/executable combinations | ||
| 87 : | (0 if relocatable) */ | ||
| 88 : | UCell image_size; /* all sizes in bytes */ | ||
| 89 : | UCell dict_size; | ||
| 90 : | UCell data_stack_size; | ||
| 91 : | UCell fp_stack_size; | ||
| 92 : | UCell return_stack_size; | ||
| 93 : | UCell locals_stack_size; | ||
| 94 : | Xt *boot_entry; /* initial ip for booting (in BOOT) */ | ||
| 95 : | Xt *throw_entry; /* ip after signal (in THROW) */ | ||
| 96 : | } ImageHeader; | ||
| 97 : | /* the image-header is created in main.fs */ | ||
| 98 : | |||
| 99 : | anton | 1.10 | void relocate(Cell *image, char *bitstring, int size, Label symbols[]) |
| 100 : | anton | 1.1 | { |
| 101 : | pazsan | 1.16 | int i=0, j, k, steps=(size/sizeof(Cell))/8; |
| 102 : | char bits; | ||
| 103 : | pazsan | 1.5 | /* static char bits[8]={0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01};*/ |
| 104 : | pazsan | 1.37 | |
| 105 : | /* printf("relocating %x[%x]\n", image, size); */ | ||
| 106 : | pazsan | 1.5 | |
| 107 : | pazsan | 1.16 | for(k=0; k<=steps; k++) |
| 108 : | for(j=0, bits=bitstring[k]; j<8; j++, i++, bits<<=1) | ||
| 109 : | if(bits & 0x80) | ||
| 110 : | if(image[i]<0) | ||
| 111 : | switch(image[i]) | ||
| 112 : | { | ||
| 113 : | case CF_NIL : image[i]=0; break; | ||
| 114 : | case CF(DOCOL) : | ||
| 115 : | case CF(DOVAR) : | ||
| 116 : | case CF(DOCON) : | ||
| 117 : | case CF(DOUSER) : | ||
| 118 : | pazsan | 1.24 | case CF(DODEFER) : |
| 119 : | anton | 1.28 | case CF(DOFIELD) : MAKE_CF(image+i,symbols[CF(image[i])]); break; |
| 120 : | pazsan | 1.21 | case CF(DODOES) : MAKE_DOES_CF(image+i,image[i+1]+((Cell)image)); |
| 121 : | pazsan | 1.16 | break; |
| 122 : | case CF(DOESJUMP): MAKE_DOES_HANDLER(image+i); break; | ||
| 123 : | pazsan | 1.37 | default : |
| 124 : | /* printf("Code field generation image[%x]:=CA(%x)\n", | ||
| 125 : | i, CF(image[i])); | ||
| 126 : | */ image[i]=(Cell)CA(CF(image[i])); | ||
| 127 : | pazsan | 1.16 | } |
| 128 : | else | ||
| 129 : | image[i]+=(Cell)image; | ||
| 130 : | anton | 1.1 | } |
| 131 : | |||
| 132 : | anton | 1.35 | UCell checksum(Label symbols[]) |
| 133 : | { | ||
| 134 : | UCell r=0; | ||
| 135 : | Cell i; | ||
| 136 : | |||
| 137 : | for (i=DOCOL; i<=DOESJUMP; i++) { | ||
| 138 : | r ^= (UCell)(symbols[i]); | ||
| 139 : | r = (r << 5) | (r >> (8*sizeof(Cell)-5)); | ||
| 140 : | } | ||
| 141 : | #ifdef DIRECT_THREADED | ||
| 142 : | /* we have to consider all the primitives */ | ||
| 143 : | for (; symbols[i]!=(Label)0; i++) { | ||
| 144 : | r ^= (UCell)(symbols[i]); | ||
| 145 : | r = (r << 5) | (r >> (8*sizeof(Cell)-5)); | ||
| 146 : | } | ||
| 147 : | #else | ||
| 148 : | /* in indirect threaded code all primitives are accessed through the | ||
| 149 : | symbols table, so we just have to put the base address of symbols | ||
| 150 : | in the checksum */ | ||
| 151 : | r ^= (UCell)symbols; | ||
| 152 : | #endif | ||
| 153 : | return r; | ||
| 154 : | } | ||
| 155 : | |||
| 156 : | Address loader(FILE *imagefile) | ||
| 157 : | /* returns the address of the image proper (after the preamble) */ | ||
| 158 : | anton | 1.10 | { |
| 159 : | anton | 1.35 | ImageHeader header; |
| 160 : | Address image; | ||
| 161 : | Address imp; /* image+preamble */ | ||
| 162 : | pazsan | 1.18 | Char magic[8]; |
| 163 : | anton | 1.35 | Cell wholesize; |
| 164 : | Cell imagesize; /* everything needed by the image */ | ||
| 165 : | Cell preamblesize=0; | ||
| 166 : | Label *symbols=engine(0,0,0,0,0); | ||
| 167 : | UCell check_sum=checksum(symbols); | ||
| 168 : | pazsan | 1.18 | |
| 169 : | anton | 1.35 | static char* endianstring[]= { "big","little" }; |
| 170 : | pazsan | 1.25 | |
| 171 : | pazsan | 1.18 | do |
| 172 : | { | ||
| 173 : | if(fread(magic,sizeof(Char),8,imagefile) < 8) { | ||
| 174 : | anton | 1.36 | fprintf(stderr,"%s: image doesn't seem to be a Gforth (>=0.2) image.\n",progname); |
| 175 : | pazsan | 1.18 | exit(1); |
| 176 : | } | ||
| 177 : | anton | 1.35 | preamblesize+=8; |
| 178 : | pazsan | 1.18 | #ifdef DEBUG |
| 179 : | anton | 1.35 | fprintf(stderr,"Magic found: %-8s\n",magic); |
| 180 : | pazsan | 1.18 | #endif |
| 181 : | } | ||
| 182 : | anton | 1.35 | while(memcmp(magic,"Gforth1",7)); |
| 183 : | pazsan | 1.25 | |
| 184 : | anton | 1.35 | if(magic[7] != sizeof(Cell) + |
| 185 : | pazsan | 1.25 | #ifdef WORDS_BIGENDIAN |
| 186 : | '0' | ||
| 187 : | #else | ||
| 188 : | '1' | ||
| 189 : | #endif | ||
| 190 : | anton | 1.35 | ) |
| 191 : | { fprintf(stderr,"This image is %d bit %s-endian, whereas the machine is %d bit %s-endian.\n", | ||
| 192 : | ((magic[7]-'0')&~1)*8, endianstring[magic[7]&1], | ||
| 193 : | sizeof(Cell)*8, endianstring[ | ||
| 194 : | pazsan | 1.25 | #ifdef WORDS_BIGENDIAN |
| 195 : | 0 | ||
| 196 : | #else | ||
| 197 : | 1 | ||
| 198 : | #endif | ||
| 199 : | ]); | ||
| 200 : | exit(-2); | ||
| 201 : | }; | ||
| 202 : | pazsan | 1.18 | |
| 203 : | anton | 1.35 | fread((void *)&header,sizeof(ImageHeader),1,imagefile); |
| 204 : | pazsan | 1.16 | if (dictsize==0) |
| 205 : | anton | 1.35 | dictsize = header.dict_size; |
| 206 : | pazsan | 1.16 | if (dsize==0) |
| 207 : | anton | 1.35 | dsize=header.data_stack_size; |
| 208 : | pazsan | 1.16 | if (rsize==0) |
| 209 : | anton | 1.35 | rsize=header.return_stack_size; |
| 210 : | pazsan | 1.16 | if (fsize==0) |
| 211 : | anton | 1.35 | fsize=header.fp_stack_size; |
| 212 : | pazsan | 1.16 | if (lsize==0) |
| 213 : | anton | 1.35 | lsize=header.locals_stack_size; |
| 214 : | pazsan | 1.16 | dictsize=maxaligned(dictsize); |
| 215 : | dsize=maxaligned(dsize); | ||
| 216 : | rsize=maxaligned(rsize); | ||
| 217 : | lsize=maxaligned(lsize); | ||
| 218 : | fsize=maxaligned(fsize); | ||
| 219 : | |||
| 220 : | anton | 1.35 | wholesize = preamblesize+dictsize+dsize+rsize+fsize+lsize; |
| 221 : | imagesize = preamblesize+header.image_size+((header.image_size-1)/sizeof(Cell))/8+1; | ||
| 222 : | image=malloc((wholesize>imagesize?wholesize:imagesize)/*+sizeof(Float)*/); | ||
| 223 : | /*image = maxaligned(image);*/ | ||
| 224 : | pazsan | 1.16 | memset(image,0,wholesize); /* why? - anton */ |
| 225 : | anton | 1.35 | rewind(imagefile); /* fseek(imagefile,0L,SEEK_SET); */ |
| 226 : | fread(image,1,imagesize,imagefile); | ||
| 227 : | pazsan | 1.16 | fclose(imagefile); |
| 228 : | anton | 1.35 | imp=image+preamblesize; |
| 229 : | pazsan | 1.16 | |
| 230 : | anton | 1.35 | if(header.base==0) { |
| 231 : | relocate((Cell *)imp,imp+header.image_size,header.image_size,symbols); | ||
| 232 : | ((ImageHeader *)imp)->checksum=check_sum; | ||
| 233 : | pazsan | 1.16 | } |
| 234 : | anton | 1.35 | else if(header.base!=imp) { |
| 235 : | anton | 1.36 | fprintf(stderr,"%s: Cannot load nonrelocatable image (compiled for address $%lx) at address $%lx\nThe Gforth installer should look into the INSTALL file\n", |
| 236 : | anton | 1.35 | progname, (unsigned long)header.base, (unsigned long)imp); |
| 237 : | exit(1); | ||
| 238 : | } else if (header.checksum != check_sum) { | ||
| 239 : | anton | 1.36 | fprintf(stderr,"%s: Checksum of image ($%lx) does not match the executable ($%lx)\nThe Gforth installer should look into the INSTALL file\n", |
| 240 : | anton | 1.35 | progname, (unsigned long)(header.checksum),(unsigned long)check_sum); |
| 241 : | pazsan | 1.16 | exit(1); |
| 242 : | } | ||
| 243 : | anton | 1.1 | |
| 244 : | anton | 1.35 | ((ImageHeader *)imp)->dict_size=dictsize; |
| 245 : | ((ImageHeader *)imp)->data_stack_size=dsize; | ||
| 246 : | ((ImageHeader *)imp)->return_stack_size=rsize; | ||
| 247 : | ((ImageHeader *)imp)->fp_stack_size=fsize; | ||
| 248 : | ((ImageHeader *)imp)->locals_stack_size=lsize; | ||
| 249 : | |||
| 250 : | anton | 1.38 | CACHE_FLUSH(imp, header.image_size); |
| 251 : | anton | 1.35 | |
| 252 : | return imp; | ||
| 253 : | anton | 1.1 | } |
| 254 : | |||
| 255 : | anton | 1.35 | int go_forth(Address image, int stack, Cell *entries) |
| 256 : | anton | 1.1 | { |
| 257 : | anton | 1.35 | Cell *sp=(Cell*)(image+dictsize+dsize); |
| 258 : | anton | 1.15 | Address lp=(Address)((void *)sp+lsize); |
| 259 : | Float *fp=(Float *)((void *)lp+fsize); | ||
| 260 : | Cell *rp=(Cell*)((void *)fp+rsize); | ||
| 261 : | anton | 1.35 | Xt *ip=(Xt *)(((ImageHeader *)image)->boot_entry); |
| 262 : | anton | 1.15 | int throw_code; |
| 263 : | |||
| 264 : | for(;stack>0;stack--) | ||
| 265 : | *--sp=entries[stack-1]; | ||
| 266 : | |||
| 267 : | anton | 1.33 | get_winsize(); |
| 268 : | anton | 1.15 | install_signal_handlers(); /* right place? */ |
| 269 : | |||
| 270 : | if ((throw_code=setjmp(throw_jmp_buf))) { | ||
| 271 : | static Cell signal_data_stack[8]; | ||
| 272 : | static Cell signal_return_stack[8]; | ||
| 273 : | static Float signal_fp_stack[1]; | ||
| 274 : | |||
| 275 : | signal_data_stack[7]=throw_code; | ||
| 276 : | |||
| 277 : | anton | 1.35 | return((int)engine(((ImageHeader *)image)->throw_entry,signal_data_stack+7, |
| 278 : | anton | 1.15 | signal_return_stack+8,signal_fp_stack,0)); |
| 279 : | } | ||
| 280 : | anton | 1.35 | |
| 281 : | anton | 1.15 | return((int)engine(ip,sp,rp,fp,lp)); |
| 282 : | anton | 1.1 | } |
| 283 : | |||
| 284 : | anton | 1.10 | int convsize(char *s, int elemsize) |
| 285 : | /* converts s of the format #+u (e.g. 25k) into the number of bytes. | ||
| 286 : | the unit u can be one of bekM, where e stands for the element | ||
| 287 : | size. default is e */ | ||
| 288 : | { | ||
| 289 : | char *endp; | ||
| 290 : | int n,m; | ||
| 291 : | |||
| 292 : | m = elemsize; | ||
| 293 : | n = strtoul(s,&endp,0); | ||
| 294 : | if (endp!=NULL) { | ||
| 295 : | if (strcmp(endp,"b")==0) | ||
| 296 : | m=1; | ||
| 297 : | else if (strcmp(endp,"k")==0) | ||
| 298 : | m=1024; | ||
| 299 : | else if (strcmp(endp,"M")==0) | ||
| 300 : | m=1024*1024; | ||
| 301 : | anton | 1.31 | else if (strcmp(endp,"e")!=0 && strcmp(endp,"")!=0) { |
| 302 : | fprintf(stderr,"%s: cannot grok size specification %s: invalid unit \"%s\"\n", progname, s, endp); | ||
| 303 : | anton | 1.10 | exit(1); |
| 304 : | } | ||
| 305 : | } | ||
| 306 : | return n*m; | ||
| 307 : | } | ||
| 308 : | |||
| 309 : | anton | 1.1 | int main(int argc, char **argv, char **env) |
| 310 : | { | ||
| 311 : | pazsan | 1.16 | char *path, *path1; |
| 312 : | char *imagename="gforth.fi"; | ||
| 313 : | FILE *image_file; | ||
| 314 : | int c, retvalue; | ||
| 315 : | anton | 1.10 | |
| 316 : | anton | 1.14 | #if defined(i386) && defined(ALIGNMENT_CHECK) && !defined(DIRECT_THREADED) |
| 317 : | anton | 1.30 | /* turn on alignment checks on the 486. |
| 318 : | * on the 386 this should have no effect. */ | ||
| 319 : | __asm__("pushfl; popl %eax; orl $0x40000, %eax; pushl %eax; popfl;"); | ||
| 320 : | /* this is unusable with Linux' libc.4.6.27, because this library is | ||
| 321 : | not alignment-clean; we would have to replace some library | ||
| 322 : | functions (e.g., memcpy) to make it work */ | ||
| 323 : | anton | 1.6 | #endif |
| 324 : | pazsan | 1.2 | |
| 325 : | pazsan | 1.16 | progname = argv[0]; |
| 326 : | if ((path=getenv("GFORTHPATH"))==NULL) | ||
| 327 : | path = strcpy(malloc(strlen(DEFAULTPATH)+1),DEFAULTPATH); | ||
| 328 : | opterr=0; | ||
| 329 : | while (1) { | ||
| 330 : | int option_index=0; | ||
| 331 : | static struct option opts[] = { | ||
| 332 : | {"image-file", required_argument, NULL, 'i'}, | ||
| 333 : | {"dictionary-size", required_argument, NULL, 'm'}, | ||
| 334 : | {"data-stack-size", required_argument, NULL, 'd'}, | ||
| 335 : | {"return-stack-size", required_argument, NULL, 'r'}, | ||
| 336 : | {"fp-stack-size", required_argument, NULL, 'f'}, | ||
| 337 : | {"locals-stack-size", required_argument, NULL, 'l'}, | ||
| 338 : | {"path", required_argument, NULL, 'p'}, | ||
| 339 : | {0,0,0,0} | ||
| 340 : | /* no-init-file, no-rc? */ | ||
| 341 : | }; | ||
| 342 : | anton | 1.10 | |
| 343 : | pazsan | 1.17 | c = getopt_long(argc, argv, "+i:m:d:r:f:l:p:", opts, &option_index); |
| 344 : | pazsan | 1.12 | |
| 345 : | pazsan | 1.16 | if (c==EOF) |
| 346 : | break; | ||
| 347 : | if (c=='?') { | ||
| 348 : | optind--; | ||
| 349 : | break; | ||
| 350 : | } | ||
| 351 : | switch (c) { | ||
| 352 : | case 'i': imagename = optarg; break; | ||
| 353 : | case 'm': dictsize = convsize(optarg,sizeof(Cell)); break; | ||
| 354 : | case 'd': dsize = convsize(optarg,sizeof(Cell)); break; | ||
| 355 : | case 'r': rsize = convsize(optarg,sizeof(Cell)); break; | ||
| 356 : | case 'f': fsize = convsize(optarg,sizeof(Float)); break; | ||
| 357 : | case 'l': lsize = convsize(optarg,sizeof(Cell)); break; | ||
| 358 : | case 'p': path = optarg; break; | ||
| 359 : | } | ||
| 360 : | } | ||
| 361 : | path1=path; | ||
| 362 : | pazsan | 1.29 | |
| 363 : | if(strchr(imagename, '/')==NULL) | ||
| 364 : | { | ||
| 365 : | do { | ||
| 366 : | char *pend=strchr(path, ':'); | ||
| 367 : | if (pend==NULL) | ||
| 368 : | pend=path+strlen(path); | ||
| 369 : | if (strlen(path)==0) { | ||
| 370 : | fprintf(stderr,"%s: cannot open image file %s in path %s for reading\n", | ||
| 371 : | progname, imagename, path1); | ||
| 372 : | exit(1); | ||
| 373 : | } | ||
| 374 : | { | ||
| 375 : | int dirlen=pend-path; | ||
| 376 : | char fullfilename[dirlen+strlen(imagename)+2]; | ||
| 377 : | memcpy(fullfilename, path, dirlen); | ||
| 378 : | if (fullfilename[dirlen-1]!='/') | ||
| 379 : | fullfilename[dirlen++]='/'; | ||
| 380 : | strcpy(fullfilename+dirlen,imagename); | ||
| 381 : | image_file=fopen(fullfilename,"rb"); | ||
| 382 : | } | ||
| 383 : | path=pend+(*pend==':'); | ||
| 384 : | } while (image_file==NULL); | ||
| 385 : | pazsan | 1.16 | } |
| 386 : | pazsan | 1.29 | else |
| 387 : | pazsan | 1.16 | { |
| 388 : | pazsan | 1.29 | image_file=fopen(imagename,"rb"); |
| 389 : | anton | 1.35 | if(image_file==NULL) { |
| 390 : | fprintf(stderr,"%s: %s: %s\n", progname, imagename, strerror(errno)); | ||
| 391 : | exit(1); | ||
| 392 : | } | ||
| 393 : | pazsan | 1.16 | } |
| 394 : | pazsan | 1.29 | |
| 395 : | pazsan | 1.16 | { |
| 396 : | Cell environ[]= { | ||
| 397 : | (Cell)argc-(optind-1), | ||
| 398 : | (Cell)(argv+(optind-1)), | ||
| 399 : | (Cell)path1}; | ||
| 400 : | argv[optind-1] = progname; | ||
| 401 : | /* | ||
| 402 : | for (i=0; i<environ[0]; i++) | ||
| 403 : | printf("%s\n", ((char **)(environ[1]))[i]); | ||
| 404 : | */ | ||
| 405 : | retvalue=go_forth(loader(image_file),3,environ); | ||
| 406 : | deprep_terminal(); | ||
| 407 : | exit(retvalue); | ||
| 408 : | } | ||
| 409 : | anton | 1.1 | } |
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