Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1 | /*********************************************************** |
Guido van Rossum | 6d023c9 | 1995-01-04 19:12:13 +0000 | [diff] [blame] | 2 | Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| 3 | The Netherlands. |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 4 | |
| 5 | All Rights Reserved |
| 6 | |
| 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
| 9 | provided that the above copyright notice appear in all copies and that |
| 10 | both that copyright notice and this permission notice appear in |
| 11 | supporting documentation, and that the names of Stichting Mathematisch |
| 12 | Centrum or CWI not be used in advertising or publicity pertaining to |
| 13 | distribution of the software without specific, written prior permission. |
| 14 | |
| 15 | STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO |
| 16 | THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| 17 | FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE |
| 18 | FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 19 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 20 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| 21 | OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 22 | |
| 23 | ******************************************************************/ |
| 24 | |
| 25 | /* Support for dynamic loading of extension modules */ |
| 26 | /* If no dynamic linking is supported, this file still generates some code! */ |
| 27 | |
| 28 | #include "allobjects.h" |
| 29 | #include "osdefs.h" |
| 30 | #include "importdl.h" |
| 31 | |
| 32 | extern int verbose; /* Defined in pythonrun.c */ |
| 33 | |
| 34 | /* Explanation of some of the the various #defines used by dynamic linking... |
| 35 | |
| 36 | symbol -- defined for: |
| 37 | |
| 38 | DYNAMIC_LINK -- any kind of dynamic linking |
Guido van Rossum | 46c76a6 | 1995-01-20 16:53:54 +0000 | [diff] [blame] | 39 | USE_RLD -- NeXT dynamic linking (currently disabled) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 40 | USE_DL -- Jack's dl for IRIX 4 or GNU dld with emulation for Jack's dl |
| 41 | USE_SHLIB -- SunOS or IRIX 5 (SVR4?) shared libraries |
| 42 | _AIX -- AIX style dynamic linking |
| 43 | NT -- NT style dynamic linking (using DLLs) |
| 44 | _DL_FUNCPTR_DEFINED -- if the typedef dl_funcptr has been defined |
Guido van Rossum | 6a75d26 | 1995-02-18 14:51:15 +0000 | [diff] [blame] | 45 | USE_MAC_SHARED_LIBRARY -- Mac CFM shared libraries |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 46 | SHORT_EXT -- short extension for dynamic module, e.g. ".so" |
| 47 | LONG_EXT -- long extension, e.g. "module.so" |
| 48 | hpux -- HP-UX Dynamic Linking - defined by the compiler |
Guido van Rossum | 46c76a6 | 1995-01-20 16:53:54 +0000 | [diff] [blame] | 49 | __NetBSD__ -- NetBSD shared libraries (not quite SVR4 compatible) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 50 | |
| 51 | (The other WITH_* symbols are used only once, to set the |
| 52 | appropriate symbols.) |
| 53 | */ |
| 54 | |
| 55 | /* Configure dynamic linking */ |
| 56 | |
| 57 | #ifdef hpux |
| 58 | #define DYNAMIC_LINK |
| 59 | #include <errno.h> |
| 60 | typedef void (*dl_funcptr)(); |
| 61 | #define _DL_FUNCPTR_DEFINED 1 |
| 62 | #define SHORT_EXT ".sl" |
| 63 | #define LONG_EXT "module.sl" |
| 64 | #endif |
| 65 | |
Guido van Rossum | 46c76a6 | 1995-01-20 16:53:54 +0000 | [diff] [blame] | 66 | #ifdef __NetBSD__ |
| 67 | #define DYNAMIC_LINK |
| 68 | #define USE_SHLIB |
| 69 | |
| 70 | #define dlerror() "error in dynamic linking" |
| 71 | #endif |
| 72 | |
Guido van Rossum | 0fbec64 | 1995-02-27 10:15:36 +0000 | [diff] [blame] | 73 | #ifdef __WIN32__ |
| 74 | #define NT |
| 75 | #endif |
| 76 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 77 | #ifdef NT |
| 78 | #define DYNAMIC_LINK |
| 79 | #include <windows.h> |
| 80 | typedef FARPROC dl_funcptr; |
| 81 | #define _DL_FUNCPTR_DEFINED |
Guido van Rossum | 5fb1da7 | 1995-01-07 12:36:02 +0000 | [diff] [blame] | 82 | #define SHORT_EXT ".pyd" |
| 83 | #define LONG_EXT "module.pyd" |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 84 | #endif |
| 85 | |
Guido van Rossum | 46c76a6 | 1995-01-20 16:53:54 +0000 | [diff] [blame] | 86 | #ifdef WITH_RLD |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 87 | #define DYNAMIC_LINK |
| 88 | #define USE_RLD |
| 89 | #endif |
| 90 | |
| 91 | #ifdef WITH_SGI_DL |
| 92 | #define DYNAMIC_LINK |
| 93 | #define USE_DL |
| 94 | #endif |
| 95 | |
| 96 | #ifdef WITH_DL_DLD |
| 97 | #define DYNAMIC_LINK |
| 98 | #define USE_DL |
| 99 | #endif |
| 100 | |
Guido van Rossum | 6a75d26 | 1995-02-18 14:51:15 +0000 | [diff] [blame] | 101 | #ifdef __CFM68K__ |
| 102 | #define USE_MAC_SHARED_LIBRARY |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 103 | #endif |
| 104 | |
Jack Jansen | 4e04373 | 1995-02-13 22:42:34 +0000 | [diff] [blame] | 105 | #ifdef USE_MAC_SHARED_LIBRARY |
| 106 | #define DYNAMIC_LINK |
Guido van Rossum | 6a75d26 | 1995-02-18 14:51:15 +0000 | [diff] [blame] | 107 | #define SHORT_EXT ".slb" |
| 108 | #define LONG_EXT "module.slb" |
Jack Jansen | 4e04373 | 1995-02-13 22:42:34 +0000 | [diff] [blame] | 109 | #ifndef _DL_FUNCPTR_DEFINED |
| 110 | typedef void (*dl_funcptr)(); |
| 111 | #endif |
| 112 | #endif |
| 113 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 114 | #if !defined(DYNAMIC_LINK) && defined(HAVE_DLFCN_H) && defined(HAVE_DLOPEN) |
| 115 | #define DYNAMIC_LINK |
| 116 | #define USE_SHLIB |
| 117 | #endif |
| 118 | |
| 119 | #ifdef _AIX |
| 120 | #define DYNAMIC_LINK |
| 121 | #include <sys/ldr.h> |
| 122 | typedef void (*dl_funcptr)(); |
| 123 | #define _DL_FUNCPTR_DEFINED |
| 124 | static void aix_loaderror(char *name); |
| 125 | #endif |
| 126 | |
| 127 | #ifdef DYNAMIC_LINK |
| 128 | |
| 129 | #ifdef USE_SHLIB |
Sjoerd Mullender | fbe6d33 | 1995-06-12 15:51:34 +0000 | [diff] [blame^] | 130 | #include <sys/types.h> |
| 131 | #include <sys/stat.h> |
Guido van Rossum | 46c76a6 | 1995-01-20 16:53:54 +0000 | [diff] [blame] | 132 | #ifdef __NetBSD__ |
| 133 | #include <nlist.h> |
| 134 | #include <link.h> |
| 135 | #else |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 136 | #include <dlfcn.h> |
Guido van Rossum | 46c76a6 | 1995-01-20 16:53:54 +0000 | [diff] [blame] | 137 | #endif |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 138 | #ifndef _DL_FUNCPTR_DEFINED |
| 139 | typedef void (*dl_funcptr)(); |
| 140 | #endif |
| 141 | #ifndef RTLD_LAZY |
| 142 | #define RTLD_LAZY 1 |
| 143 | #endif |
| 144 | #define SHORT_EXT ".so" |
| 145 | #define LONG_EXT "module.so" |
| 146 | #endif /* USE_SHLIB */ |
| 147 | |
| 148 | #if defined(USE_DL) || defined(hpux) |
| 149 | #include "dl.h" |
| 150 | #endif |
| 151 | |
Jack Jansen | 4e04373 | 1995-02-13 22:42:34 +0000 | [diff] [blame] | 152 | #ifdef USE_MAC_SHARED_LIBRARY |
| 153 | #include <CodeFragments.h> |
Guido van Rossum | 3097c3a | 1995-02-21 21:02:46 +0000 | [diff] [blame] | 154 | #ifdef __CFM68K__ /* Really just an older version of Universal Headers */ |
Guido van Rossum | 6a75d26 | 1995-02-18 14:51:15 +0000 | [diff] [blame] | 155 | #define CFragConnectionID ConnectionID |
| 156 | #define kLoadCFrag 0x01 |
| 157 | #endif |
Jack Jansen | 4e04373 | 1995-02-13 22:42:34 +0000 | [diff] [blame] | 158 | #include <Files.h> |
| 159 | #include "macdefs.h" |
| 160 | #include "macglue.h" |
| 161 | #endif |
| 162 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 163 | #ifdef USE_RLD |
| 164 | #include <mach-o/rld.h> |
| 165 | #define FUNCNAME_PATTERN "_init%.200s" |
| 166 | #ifndef _DL_FUNCPTR_DEFINED |
| 167 | typedef void (*dl_funcptr)(); |
| 168 | #endif |
| 169 | #endif /* USE_RLD */ |
| 170 | |
| 171 | extern char *getprogramname(); |
| 172 | |
| 173 | #ifndef FUNCNAME_PATTERN |
Guido van Rossum | 0fbec64 | 1995-02-27 10:15:36 +0000 | [diff] [blame] | 174 | #if defined(__hp9000s300) || defined(__NetBSD__) || defined(__BORLANDC__) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 175 | #define FUNCNAME_PATTERN "_init%.200s" |
| 176 | #else |
| 177 | #define FUNCNAME_PATTERN "init%.200s" |
| 178 | #endif |
| 179 | #endif |
| 180 | |
| 181 | #if !defined(SHORT_EXT) && !defined(LONG_EXT) |
| 182 | #define SHORT_EXT ".o" |
| 183 | #define LONG_EXT "module.o" |
| 184 | #endif /* !SHORT_EXT && !LONG_EXT */ |
| 185 | |
| 186 | #endif /* DYNAMIC_LINK */ |
| 187 | |
Guido van Rossum | 6a75d26 | 1995-02-18 14:51:15 +0000 | [diff] [blame] | 188 | /* Max length of module suffix searched for -- accommodates "module.slb" */ |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 189 | #ifndef MAXSUFFIXSIZE |
Jack Jansen | 4e04373 | 1995-02-13 22:42:34 +0000 | [diff] [blame] | 190 | #define MAXSUFFIXSIZE 12 |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 191 | #endif |
| 192 | |
| 193 | /* Pass it on to import.c */ |
| 194 | int import_maxsuffixsize = MAXSUFFIXSIZE; |
| 195 | |
| 196 | struct filedescr import_filetab[] = { |
| 197 | #ifdef SHORT_EXT |
| 198 | {SHORT_EXT, "rb", C_EXTENSION}, |
| 199 | #endif /* !SHORT_EXT */ |
| 200 | #ifdef LONG_EXT |
| 201 | {LONG_EXT, "rb", C_EXTENSION}, |
| 202 | #endif /* !LONG_EXT */ |
| 203 | {".py", "r", PY_SOURCE}, |
| 204 | {".pyc", "rb", PY_COMPILED}, |
| 205 | {0, 0} |
| 206 | }; |
| 207 | |
| 208 | object * |
Sjoerd Mullender | fbe6d33 | 1995-06-12 15:51:34 +0000 | [diff] [blame^] | 209 | load_dynamic_module(name, pathname, fp) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 210 | char *name; |
| 211 | char *pathname; |
Sjoerd Mullender | fbe6d33 | 1995-06-12 15:51:34 +0000 | [diff] [blame^] | 212 | FILE *fp; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 213 | { |
| 214 | #ifndef DYNAMIC_LINK |
| 215 | err_setstr(ImportError, "dynamically linked modules not supported"); |
| 216 | return NULL; |
| 217 | #else |
| 218 | object *m; |
| 219 | char funcname[258]; |
| 220 | dl_funcptr p = NULL; |
Sjoerd Mullender | fbe6d33 | 1995-06-12 15:51:34 +0000 | [diff] [blame^] | 221 | #ifdef USE_SHLIB |
| 222 | static struct { |
| 223 | dev_t dev; |
| 224 | ino_t ino; |
| 225 | void *handle; |
| 226 | } handles[128]; |
| 227 | static int nhandles = 0; |
| 228 | #endif |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 229 | sprintf(funcname, FUNCNAME_PATTERN, name); |
Sjoerd Mullender | fbe6d33 | 1995-06-12 15:51:34 +0000 | [diff] [blame^] | 230 | #ifdef USE_SHLIB |
| 231 | if (fp != NULL) { |
| 232 | int i; |
| 233 | struct stat statb; |
| 234 | fstat(fileno(fp), &statb); |
| 235 | for (i = 0; i < nhandles; i++) { |
| 236 | if (statb.st_dev == handles[i].dev && |
| 237 | statb.st_ino == handles[i].ino) { |
| 238 | p = (dl_funcptr) dlsym(handles[i].handle, |
| 239 | funcname); |
| 240 | goto got_it; |
| 241 | } |
| 242 | } |
| 243 | if (nhandles < 128) { |
| 244 | handles[nhandles].dev = statb.st_dev; |
| 245 | handles[nhandles].ino = statb.st_ino; |
| 246 | } |
| 247 | } |
| 248 | #endif /* USE_SHLIB */ |
Jack Jansen | 4e04373 | 1995-02-13 22:42:34 +0000 | [diff] [blame] | 249 | #ifdef USE_MAC_SHARED_LIBRARY |
Guido van Rossum | 6a75d26 | 1995-02-18 14:51:15 +0000 | [diff] [blame] | 250 | /* Dynamic loading of CFM shared libraries on the Mac */ |
Jack Jansen | 4e04373 | 1995-02-13 22:42:34 +0000 | [diff] [blame] | 251 | { |
| 252 | FSSpec libspec; |
| 253 | CFragConnectionID connID; |
Guido van Rossum | 6a75d26 | 1995-02-18 14:51:15 +0000 | [diff] [blame] | 254 | Ptr mainAddr; |
| 255 | Str255 errMessage; |
| 256 | OSErr err; |
Jack Jansen | 4e04373 | 1995-02-13 22:42:34 +0000 | [diff] [blame] | 257 | |
| 258 | (void)FSMakeFSSpec(0, 0, Pstring(pathname), &libspec); |
Guido van Rossum | 6a75d26 | 1995-02-18 14:51:15 +0000 | [diff] [blame] | 259 | err = GetDiskFragment(&libspec, 0, 0, Pstring(name), |
| 260 | kLoadCFrag, &connID, &mainAddr, |
| 261 | errMessage); |
Jack Jansen | 4e04373 | 1995-02-13 22:42:34 +0000 | [diff] [blame] | 262 | if ( err ) { |
| 263 | char buf[512]; |
| 264 | |
Guido van Rossum | 3097c3a | 1995-02-21 21:02:46 +0000 | [diff] [blame] | 265 | sprintf(buf, "%.*s: %s", errMessage[0], errMessage+1, PyMac_StrError(err)); |
Jack Jansen | 4e04373 | 1995-02-13 22:42:34 +0000 | [diff] [blame] | 266 | err_setstr(ImportError, buf); |
| 267 | return NULL; |
| 268 | } |
| 269 | p = (dl_funcptr)mainAddr; |
| 270 | } |
| 271 | #endif /* USE_MAC_SHARED_LIBRARY */ |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 272 | #ifdef USE_SHLIB |
| 273 | { |
| 274 | #ifdef RTLD_NOW |
| 275 | /* RTLD_NOW: resolve externals now |
| 276 | (i.e. core dump now if some are missing) */ |
| 277 | void *handle = dlopen(pathname, RTLD_NOW); |
| 278 | #else |
| 279 | void *handle; |
| 280 | if (verbose) |
| 281 | printf("dlopen(\"%s\", %d);\n", pathname, RTLD_LAZY); |
| 282 | handle = dlopen(pathname, RTLD_LAZY); |
| 283 | #endif /* RTLD_NOW */ |
| 284 | if (handle == NULL) { |
| 285 | err_setstr(ImportError, dlerror()); |
| 286 | return NULL; |
| 287 | } |
Sjoerd Mullender | fbe6d33 | 1995-06-12 15:51:34 +0000 | [diff] [blame^] | 288 | if (fp != NULL && nhandles < 128) |
| 289 | handles[nhandles++].handle = handle; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 290 | p = (dl_funcptr) dlsym(handle, funcname); |
| 291 | } |
| 292 | #endif /* USE_SHLIB */ |
| 293 | #ifdef _AIX |
| 294 | p = (dl_funcptr) load(pathname, 1, 0); |
| 295 | if (p == NULL) { |
| 296 | aix_loaderror(pathname); |
| 297 | return NULL; |
| 298 | } |
| 299 | #endif /* _AIX */ |
| 300 | #ifdef NT |
| 301 | { |
| 302 | HINSTANCE hDLL; |
| 303 | hDLL = LoadLibrary(pathname); |
| 304 | if (hDLL==NULL){ |
| 305 | char errBuf[64]; |
| 306 | sprintf(errBuf, "DLL load failed with error code %d", |
| 307 | GetLastError()); |
| 308 | err_setstr(ImportError, errBuf); |
| 309 | return NULL; |
| 310 | } |
| 311 | p = GetProcAddress(hDLL, funcname); |
| 312 | } |
| 313 | #endif /* NT */ |
| 314 | #ifdef USE_DL |
| 315 | p = dl_loadmod(getprogramname(), pathname, funcname); |
| 316 | #endif /* USE_DL */ |
| 317 | #ifdef USE_RLD |
| 318 | { |
| 319 | NXStream *errorStream; |
| 320 | struct mach_header *new_header; |
| 321 | const char *filenames[2]; |
| 322 | long ret; |
| 323 | unsigned long ptr; |
| 324 | |
| 325 | errorStream = NXOpenMemory(NULL, 0, NX_WRITEONLY); |
| 326 | filenames[0] = pathname; |
| 327 | filenames[1] = NULL; |
| 328 | ret = rld_load(errorStream, &new_header, |
| 329 | filenames, NULL); |
| 330 | |
| 331 | /* extract the error messages for the exception */ |
| 332 | if(!ret) { |
| 333 | char *streamBuf; |
| 334 | int len, maxLen; |
| 335 | |
| 336 | NXPutc(errorStream, (char)0); |
| 337 | |
| 338 | NXGetMemoryBuffer(errorStream, |
| 339 | &streamBuf, &len, &maxLen); |
| 340 | err_setstr(ImportError, streamBuf); |
| 341 | } |
| 342 | |
| 343 | if(ret && rld_lookup(errorStream, funcname, &ptr)) |
| 344 | p = (dl_funcptr) ptr; |
| 345 | |
| 346 | NXCloseMemory(errorStream, NX_FREEBUFFER); |
| 347 | |
| 348 | if(!ret) |
| 349 | return NULL; |
| 350 | } |
| 351 | #endif /* USE_RLD */ |
| 352 | #ifdef hpux |
| 353 | { |
| 354 | shl_t lib; |
| 355 | int flags; |
| 356 | |
| 357 | flags = BIND_DEFERRED; |
| 358 | if (verbose) |
| 359 | { |
| 360 | flags = BIND_IMMEDIATE | BIND_NONFATAL | BIND_VERBOSE; |
| 361 | printf("shl_load %s\n",pathname); |
| 362 | } |
| 363 | lib = shl_load(pathname, flags, 0); |
| 364 | if (lib == NULL) |
| 365 | { |
| 366 | char buf[256]; |
| 367 | if (verbose) |
| 368 | perror(pathname); |
| 369 | sprintf(buf, "Failed to load %.200s", pathname); |
| 370 | err_setstr(ImportError, buf); |
| 371 | return NULL; |
| 372 | } |
| 373 | if (verbose) |
| 374 | printf("shl_findsym %s\n", funcname); |
| 375 | shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p); |
| 376 | if (p == NULL && verbose) |
| 377 | perror(funcname); |
| 378 | } |
| 379 | #endif /* hpux */ |
Sjoerd Mullender | fbe6d33 | 1995-06-12 15:51:34 +0000 | [diff] [blame^] | 380 | got_it: |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 381 | if (p == NULL) { |
| 382 | err_setstr(ImportError, |
| 383 | "dynamic module does not define init function"); |
| 384 | return NULL; |
| 385 | } |
| 386 | (*p)(); |
| 387 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 388 | m = dictlookup(import_modules, name); |
| 389 | if (m == NULL) { |
| 390 | if (err_occurred() == NULL) |
| 391 | err_setstr(SystemError, |
| 392 | "dynamic module not initialized properly"); |
| 393 | return NULL; |
| 394 | } |
| 395 | if (verbose) |
| 396 | fprintf(stderr, |
| 397 | "import %s # dynamically loaded from %s\n", |
| 398 | name, pathname); |
| 399 | INCREF(m); |
| 400 | return m; |
| 401 | #endif /* DYNAMIC_LINK */ |
| 402 | } |
| 403 | |
| 404 | |
| 405 | #ifdef _AIX |
| 406 | |
| 407 | #include <ctype.h> /* for isdigit() */ |
| 408 | #include <errno.h> /* for global errno */ |
| 409 | #include <string.h> /* for strerror() */ |
| 410 | |
| 411 | void aix_loaderror(char *pathname) |
| 412 | { |
| 413 | |
| 414 | char *message[8], errbuf[1024]; |
| 415 | int i,j; |
| 416 | |
| 417 | struct errtab { |
| 418 | int errno; |
| 419 | char *errstr; |
| 420 | } load_errtab[] = { |
Sjoerd Mullender | fbe6d33 | 1995-06-12 15:51:34 +0000 | [diff] [blame^] | 421 | {L_ERROR_TOOMANY, "too many errors, rest skipped."}, |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 422 | {L_ERROR_NOLIB, "can't load library:"}, |
| 423 | {L_ERROR_UNDEF, "can't find symbol in library:"}, |
| 424 | {L_ERROR_RLDBAD, |
| 425 | "RLD index out of range or bad relocation type:"}, |
| 426 | {L_ERROR_FORMAT, "not a valid, executable xcoff file:"}, |
| 427 | {L_ERROR_MEMBER, |
| 428 | "file not an archive or does not contain requested member:"}, |
| 429 | {L_ERROR_TYPE, "symbol table mismatch:"}, |
| 430 | {L_ERROR_ALIGN, "text allignment in file is wrong."}, |
| 431 | {L_ERROR_SYSTEM, "System error:"}, |
| 432 | {L_ERROR_ERRNO, NULL} |
| 433 | }; |
| 434 | |
| 435 | #define LOAD_ERRTAB_LEN (sizeof(load_errtab)/sizeof(load_errtab[0])) |
| 436 | #define ERRBUF_APPEND(s) strncat(errbuf, s, sizeof(errbuf)-strlen(errbuf)-1) |
| 437 | |
| 438 | sprintf(errbuf, " from module %.200s ", pathname); |
| 439 | |
| 440 | if (!loadquery(1, &message[0], sizeof(message))) |
| 441 | ERRBUF_APPEND(strerror(errno)); |
| 442 | for(i = 0; message[i] && *message[i]; i++) { |
| 443 | int nerr = atoi(message[i]); |
| 444 | for (j=0; j<LOAD_ERRTAB_LEN ; j++) { |
| 445 | if (nerr == load_errtab[i].errno && load_errtab[i].errstr) |
| 446 | ERRBUF_APPEND(load_errtab[i].errstr); |
| 447 | } |
| 448 | while (isdigit(*message[i])) message[i]++ ; |
| 449 | ERRBUF_APPEND(message[i]); |
| 450 | ERRBUF_APPEND("\n"); |
| 451 | } |
| 452 | errbuf[strlen(errbuf)-1] = '\0'; /* trim off last newline */ |
| 453 | err_setstr(ImportError, errbuf); |
| 454 | return; |
| 455 | } |
| 456 | |
| 457 | #endif /* _AIX */ |