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kbuild: make modpost detect unterminated device id lists
[net-next-2.6.git] / scripts / mod / file2alias.c
CommitLineData
1da177e4
LT		 1/* Simple code to turn various tables in an ELF file into alias definitions.
2 * This deals with kernel datastructures where they should be
3 * dealt with: in the kernel source.
4 *
5 * Copyright 2002-2003 Rusty Russell, IBM Corporation
6 * 2003 Kai Germaschewski
7 *
8 *
9 * This software may be used and distributed according to the terms
10 * of the GNU General Public License, incorporated herein by reference.
11 */
12
13#include "modpost.h"
14
15/* We use the ELF typedefs for kernel_ulong_t but bite the bullet and
16 * use either stdint.h or inttypes.h for the rest. */
17#if KERNEL_ELFCLASS == ELFCLASS32
18typedef Elf32_Addr kernel_ulong_t;
1d8f430c 19#define BITS_PER_LONG 32
1da177e4
LT		 20#else
21typedef Elf64_Addr kernel_ulong_t;
1d8f430c 22#define BITS_PER_LONG 64
1da177e4
LT		 23#endif
24#ifdef __sun__
25#include <inttypes.h>
26#else
27#include <stdint.h>
28#endif
29
5e655772
JM		 30#include <ctype.h>
31
1da177e4
LT		 32typedef uint32_t __u32;
33typedef uint16_t __u16;
34typedef unsigned char __u8;
35
36/* Big exception to the "don't include kernel headers into userspace, which
62070fa4 37 * even potentially has different endianness and word sizes, since
1da177e4
LT		 38 * we handle those differences explicitly below */
39#include "../../include/linux/mod_devicetable.h"
40
41#define ADD(str, sep, cond, field) \
42do { \
43 strcat(str, sep); \
44 if (cond) \
45 sprintf(str + strlen(str), \
46 sizeof(field) == 1 ? "%02X" : \
47 sizeof(field) == 2 ? "%04X" : \
48 sizeof(field) == 4 ? "%08X" : "", \
49 field); \
50 else \
51 sprintf(str + strlen(str), "*"); \
52} while(0)
53
fb33d816
SR		 54/**
55 * Check that sizeof(device_id type) are consistent with size of section
56 * in .o file. If in-consistent then userspace and kernel does not agree
57 * on actual size which is a bug.
e0049825 58 * Also verify that the final entry in the table is all zeros.
fb33d816 59 **/
e0049825
KC		 60static void device_id_check(const char *modname, const char *device_id,
61 unsigned long size, unsigned long id_size,
62 void *symval)
fb33d816 63{
e0049825
KC		 64 int i;
65
fb33d816
SR		 66 if (size % id_size || size < id_size) {
67 fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo "
68 "of the size of section __mod_%s_device_table=%lu.\n"
69 "Fix definition of struct %s_device_id "
70 "in mod_devicetable.h\n",
71 modname, device_id, id_size, device_id, size, device_id);
72 }
e0049825
KC		 73 /* Verify last one is a terminator */
74 for (i = 0; i < id_size; i++ ) {
75 if (*(uint8_t*)(symval+size-id_size+i)) {
76 fprintf(stderr,"%s: struct %s_device_id is %lu bytes. "
77 "The last of %lu is:\n",
78 modname, device_id, id_size, size / id_size);
79 for (i = 0; i < id_size; i++ )
80 fprintf(stderr,"0x%02x ",
81 *(uint8_t*)(symval+size-id_size+i) );
82 fprintf(stderr,"\n");
83 fatal("%s: struct %s_device_id is not terminated "
84 "with a NULL entry!\n", modname, device_id);
85 }
86 }
fb33d816
SR		 87}
88
b19dcd93
RK		 89/* USB is special because the bcdDevice can be matched against a numeric range */
90/* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipN" */
91static void do_usb_entry(struct usb_device_id *id,
92 unsigned int bcdDevice_initial, int bcdDevice_initial_digits,
93 unsigned char range_lo, unsigned char range_hi,
94 struct module *mod)
1da177e4 95{
b19dcd93 96 char alias[500];
1da177e4
LT		 97 strcpy(alias, "usb:");
98 ADD(alias, "v", id->match_flags&USB_DEVICE_ID_MATCH_VENDOR,
99 id->idVendor);
100 ADD(alias, "p", id->match_flags&USB_DEVICE_ID_MATCH_PRODUCT,
101 id->idProduct);
b19dcd93
RK		 102
103 strcat(alias, "d");
104 if (bcdDevice_initial_digits)
105 sprintf(alias + strlen(alias), "%0*X",
106 bcdDevice_initial_digits, bcdDevice_initial);
107 if (range_lo == range_hi)
108 sprintf(alias + strlen(alias), "%u", range_lo);
109 else if (range_lo > 0 || range_hi < 9)
110 sprintf(alias + strlen(alias), "[%u-%u]", range_lo, range_hi);
111 if (bcdDevice_initial_digits < (sizeof(id->bcdDevice_lo) * 2 - 1))
112 strcat(alias, "*");
113
1da177e4
LT		 114 ADD(alias, "dc", id->match_flags&USB_DEVICE_ID_MATCH_DEV_CLASS,
115 id->bDeviceClass);
116 ADD(alias, "dsc",
117 id->match_flags&USB_DEVICE_ID_MATCH_DEV_SUBCLASS,
118 id->bDeviceSubClass);
119 ADD(alias, "dp",
120 id->match_flags&USB_DEVICE_ID_MATCH_DEV_PROTOCOL,
121 id->bDeviceProtocol);
122 ADD(alias, "ic",
123 id->match_flags&USB_DEVICE_ID_MATCH_INT_CLASS,
124 id->bInterfaceClass);
125 ADD(alias, "isc",
126 id->match_flags&USB_DEVICE_ID_MATCH_INT_SUBCLASS,
127 id->bInterfaceSubClass);
128 ADD(alias, "ip",
129 id->match_flags&USB_DEVICE_ID_MATCH_INT_PROTOCOL,
130 id->bInterfaceProtocol);
b19dcd93
RK		 131
132 /* Always end in a wildcard, for future extension */
133 if (alias[strlen(alias)-1] != '*')
134 strcat(alias, "*");
135 buf_printf(&mod->dev_table_buf,
136 "MODULE_ALIAS(\"%s\");\n", alias);
137}
138
139static void do_usb_entry_multi(struct usb_device_id *id, struct module *mod)
140{
141 unsigned int devlo, devhi;
142 unsigned char chi, clo;
143 int ndigits;
144
145 id->match_flags = TO_NATIVE(id->match_flags);
146 id->idVendor = TO_NATIVE(id->idVendor);
147 id->idProduct = TO_NATIVE(id->idProduct);
148
149 devlo = id->match_flags & USB_DEVICE_ID_MATCH_DEV_LO ?
150 TO_NATIVE(id->bcdDevice_lo) : 0x0U;
151 devhi = id->match_flags & USB_DEVICE_ID_MATCH_DEV_HI ?
152 TO_NATIVE(id->bcdDevice_hi) : ~0x0U;
153
154 /*
155 * Some modules (visor) have empty slots as placeholder for
156 * run-time specification that results in catch-all alias
157 */
158 if (!(id->idVendor | id->bDeviceClass | id->bInterfaceClass))
159 return;
160
161 /* Convert numeric bcdDevice range into fnmatch-able pattern(s) */
162 for (ndigits = sizeof(id->bcdDevice_lo) * 2 - 1; devlo <= devhi; ndigits--) {
163 clo = devlo & 0xf;
164 chi = devhi & 0xf;
165 if (chi > 9) /* it's bcd not hex */
166 chi = 9;
167 devlo >>= 4;
168 devhi >>= 4;
169
170 if (devlo == devhi || !ndigits) {
171 do_usb_entry(id, devlo, ndigits, clo, chi, mod);
172 break;
173 }
174
175 if (clo > 0)
176 do_usb_entry(id, devlo++, ndigits, clo, 9, mod);
177
178 if (chi < 9)
179 do_usb_entry(id, devhi--, ndigits, 0, chi, mod);
180 }
181}
182
183static void do_usb_table(void *symval, unsigned long size,
184 struct module *mod)
185{
186 unsigned int i;
187 const unsigned long id_size = sizeof(struct usb_device_id);
188
e0049825 189 device_id_check(mod->name, "usb", size, id_size, symval);
fb33d816 190
b19dcd93
RK		 191 /* Leave last one: it's the terminator. */
192 size -= id_size;
193
194 for (i = 0; i < size; i += id_size)
195 do_usb_entry_multi(symval + i, mod);
1da177e4
LT		 196}
197
198/* Looks like: ieee1394:venNmoNspNverN */
199static int do_ieee1394_entry(const char *filename,
200 struct ieee1394_device_id *id, char *alias)
201{
202 id->match_flags = TO_NATIVE(id->match_flags);
203 id->vendor_id = TO_NATIVE(id->vendor_id);
204 id->model_id = TO_NATIVE(id->model_id);
205 id->specifier_id = TO_NATIVE(id->specifier_id);
206 id->version = TO_NATIVE(id->version);
207
208 strcpy(alias, "ieee1394:");
209 ADD(alias, "ven", id->match_flags & IEEE1394_MATCH_VENDOR_ID,
210 id->vendor_id);
211 ADD(alias, "mo", id->match_flags & IEEE1394_MATCH_MODEL_ID,
212 id->model_id);
213 ADD(alias, "sp", id->match_flags & IEEE1394_MATCH_SPECIFIER_ID,
214 id->specifier_id);
215 ADD(alias, "ver", id->match_flags & IEEE1394_MATCH_VERSION,
216 id->version);
217
218 return 1;
219}
220
221/* Looks like: pci:vNdNsvNsdNbcNscNiN. */
222static int do_pci_entry(const char *filename,
223 struct pci_device_id *id, char *alias)
224{
225 /* Class field can be divided into these three. */
226 unsigned char baseclass, subclass, interface,
227 baseclass_mask, subclass_mask, interface_mask;
228
229 id->vendor = TO_NATIVE(id->vendor);
230 id->device = TO_NATIVE(id->device);
231 id->subvendor = TO_NATIVE(id->subvendor);
232 id->subdevice = TO_NATIVE(id->subdevice);
233 id->class = TO_NATIVE(id->class);
234 id->class_mask = TO_NATIVE(id->class_mask);
235
236 strcpy(alias, "pci:");
237 ADD(alias, "v", id->vendor != PCI_ANY_ID, id->vendor);
238 ADD(alias, "d", id->device != PCI_ANY_ID, id->device);
239 ADD(alias, "sv", id->subvendor != PCI_ANY_ID, id->subvendor);
240 ADD(alias, "sd", id->subdevice != PCI_ANY_ID, id->subdevice);
241
242 baseclass = (id->class) >> 16;
243 baseclass_mask = (id->class_mask) >> 16;
244 subclass = (id->class) >> 8;
245 subclass_mask = (id->class_mask) >> 8;
246 interface = id->class;
247 interface_mask = id->class_mask;
248
249 if ((baseclass_mask != 0 && baseclass_mask != 0xFF)
250 || (subclass_mask != 0 && subclass_mask != 0xFF)
251 || (interface_mask != 0 && interface_mask != 0xFF)) {
cb80514d
SR		 252 warn("Can't handle masks in %s:%04X\n",
253 filename, id->class_mask);
1da177e4
LT		 254 return 0;
255 }
256
257 ADD(alias, "bc", baseclass_mask == 0xFF, baseclass);
258 ADD(alias, "sc", subclass_mask == 0xFF, subclass);
259 ADD(alias, "i", interface_mask == 0xFF, interface);
260 return 1;
261}
262
62070fa4 263/* looks like: "ccw:tNmNdtNdmN" */
1da177e4
LT		 264static int do_ccw_entry(const char *filename,
265 struct ccw_device_id *id, char *alias)
266{
267 id->match_flags = TO_NATIVE(id->match_flags);
268 id->cu_type = TO_NATIVE(id->cu_type);
269 id->cu_model = TO_NATIVE(id->cu_model);
270 id->dev_type = TO_NATIVE(id->dev_type);
271 id->dev_model = TO_NATIVE(id->dev_model);
272
273 strcpy(alias, "ccw:");
274 ADD(alias, "t", id->match_flags&CCW_DEVICE_ID_MATCH_CU_TYPE,
275 id->cu_type);
276 ADD(alias, "m", id->match_flags&CCW_DEVICE_ID_MATCH_CU_MODEL,
277 id->cu_model);
278 ADD(alias, "dt", id->match_flags&CCW_DEVICE_ID_MATCH_DEVICE_TYPE,
279 id->dev_type);
de1d9c03 280 ADD(alias, "dm", id->match_flags&CCW_DEVICE_ID_MATCH_DEVICE_MODEL,
1da177e4
LT		 281 id->dev_model);
282 return 1;
283}
284
1534c382
MS		 285/* looks like: "ap:tN" */
286static int do_ap_entry(const char *filename,
287 struct ap_device_id *id, char *alias)
288{
289 sprintf(alias, "ap:t%02X", id->dev_type);
290 return 1;
291}
292
1da177e4
LT		 293/* Looks like: "serio:tyNprNidNexN" */
294static int do_serio_entry(const char *filename,
295 struct serio_device_id *id, char *alias)
296{
297 id->type = TO_NATIVE(id->type);
298 id->proto = TO_NATIVE(id->proto);
299 id->id = TO_NATIVE(id->id);
300 id->extra = TO_NATIVE(id->extra);
301
302 strcpy(alias, "serio:");
303 ADD(alias, "ty", id->type != SERIO_ANY, id->type);
304 ADD(alias, "pr", id->proto != SERIO_ANY, id->proto);
305 ADD(alias, "id", id->id != SERIO_ANY, id->id);
306 ADD(alias, "ex", id->extra != SERIO_ANY, id->extra);
307
308 return 1;
309}
310
29b71a1c
TR		 311/* looks like: "acpi:ACPI0003 or acpi:PNP0C0B" or "acpi:LNXVIDEO" */
312static int do_acpi_entry(const char *filename,
313 struct acpi_device_id *id, char *alias)
314{
315 sprintf(alias, "acpi*:%s:", id->id);
316 return 1;
317}
318
1da177e4
LT		 319/* looks like: "pnp:dD" */
320static int do_pnp_entry(const char *filename,
321 struct pnp_device_id *id, char *alias)
322{
323 sprintf(alias, "pnp:d%s", id->id);
324 return 1;
325}
326
327/* looks like: "pnp:cCdD..." */
328static int do_pnp_card_entry(const char *filename,
329 struct pnp_card_device_id *id, char *alias)
330{
331 int i;
332
333 sprintf(alias, "pnp:c%s", id->id);
334 for (i = 0; i < PNP_MAX_DEVICES; i++) {
335 if (! *id->devs[i].id)
336 break;
337 sprintf(alias + strlen(alias), "d%s", id->devs[i].id);
338 }
339 return 1;
340}
341
90829cfe
DB		 342/* Looks like: pcmcia:mNcNfNfnNpfnNvaNvbNvcNvdN. */
343static int do_pcmcia_entry(const char *filename,
344 struct pcmcia_device_id *id, char *alias)
345{
346 unsigned int i;
347
4fb7edce 348 id->match_flags = TO_NATIVE(id->match_flags);
90829cfe
DB		 349 id->manf_id = TO_NATIVE(id->manf_id);
350 id->card_id = TO_NATIVE(id->card_id);
351 id->func_id = TO_NATIVE(id->func_id);
352 id->function = TO_NATIVE(id->function);
353 id->device_no = TO_NATIVE(id->device_no);
4fb7edce 354
90829cfe
DB		 355 for (i=0; i<4; i++) {
356 id->prod_id_hash[i] = TO_NATIVE(id->prod_id_hash[i]);
357 }
358
359 strcpy(alias, "pcmcia:");
360 ADD(alias, "m", id->match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID,
361 id->manf_id);
362 ADD(alias, "c", id->match_flags & PCMCIA_DEV_ID_MATCH_CARD_ID,
363 id->card_id);
364 ADD(alias, "f", id->match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID,
365 id->func_id);
366 ADD(alias, "fn", id->match_flags & PCMCIA_DEV_ID_MATCH_FUNCTION,
367 id->function);
368 ADD(alias, "pfn", id->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO,
369 id->device_no);
370 ADD(alias, "pa", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1, id->prod_id_hash[0]);
371 ADD(alias, "pb", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2, id->prod_id_hash[1]);
372 ADD(alias, "pc", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3, id->prod_id_hash[2]);
373 ADD(alias, "pd", id->match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4, id->prod_id_hash[3]);
374
375 return 1;
376}
377
378
379
5e655772
JM		 380static int do_of_entry (const char *filename, struct of_device_id *of, char *alias)
381{
d1ab4235 382 int len;
5e655772 383 char *tmp;
d1ab4235 384 len = sprintf (alias, "of:N%sT%s",
5e655772 385 of->name[0] ? of->name : "*",
d1ab4235
SM		 386 of->type[0] ? of->type : "*");
387
388 if (of->compatible[0])
389 sprintf (&alias[len], "%sC%s",
390 of->type[0] ? "*" : "",
391 of->compatible);
5e655772
JM		 392
393 /* Replace all whitespace with underscores */
394 for (tmp = alias; tmp && *tmp; tmp++)
395 if (isspace (*tmp))
396 *tmp = '_';
397
398 return 1;
399}
400
fb120da6
SR		 401static int do_vio_entry(const char *filename, struct vio_device_id *vio,
402 char *alias)
403{
404 char *tmp;
405
406 sprintf(alias, "vio:T%sS%s", vio->type[0] ? vio->type : "*",
407 vio->compat[0] ? vio->compat : "*");
408
409 /* Replace all whitespace with underscores */
410 for (tmp = alias; tmp && *tmp; tmp++)
411 if (isspace (*tmp))
412 *tmp = '_';
413
414 return 1;
415}
416
a9d1b24d
GKH		 417static int do_i2c_entry(const char *filename, struct i2c_device_id *i2c, char *alias)
418{
419 strcpy(alias, "i2c:");
420 ADD(alias, "id", 1, i2c->id);
421 return 1;
422}
423
1d8f430c
RR		 424#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
425
426static void do_input(char *alias,
427 kernel_ulong_t *arr, unsigned int min, unsigned int max)
428{
429 unsigned int i;
ddc5d341
DT		 430
431 for (i = min; i < max; i++)
e0e92632 432 if (arr[i / BITS_PER_LONG] & (1L << (i%BITS_PER_LONG)))
ddc5d341 433 sprintf(alias + strlen(alias), "%X,*", i);
1d8f430c
RR		 434}
435
436/* input:b0v0p0e0-eXkXrXaXmXlXsXfXwX where X is comma-separated %02X. */
437static int do_input_entry(const char *filename, struct input_device_id *id,
438 char *alias)
439{
440 sprintf(alias, "input:");
441
ddc5d341
DT		 442 ADD(alias, "b", id->flags & INPUT_DEVICE_ID_MATCH_BUS, id->bustype);
443 ADD(alias, "v", id->flags & INPUT_DEVICE_ID_MATCH_VENDOR, id->vendor);
444 ADD(alias, "p", id->flags & INPUT_DEVICE_ID_MATCH_PRODUCT, id->product);
445 ADD(alias, "e", id->flags & INPUT_DEVICE_ID_MATCH_VERSION, id->version);
1d8f430c
RR		 446
447 sprintf(alias + strlen(alias), "-e*");
ddc5d341 448 if (id->flags & INPUT_DEVICE_ID_MATCH_EVBIT)
dc24f0e7 449 do_input(alias, id->evbit, 0, INPUT_DEVICE_ID_EV_MAX);
1d8f430c 450 sprintf(alias + strlen(alias), "k*");
ddc5d341 451 if (id->flags & INPUT_DEVICE_ID_MATCH_KEYBIT)
dc24f0e7
SR		 452 do_input(alias, id->keybit,
453 INPUT_DEVICE_ID_KEY_MIN_INTERESTING,
454 INPUT_DEVICE_ID_KEY_MAX);
1d8f430c 455 sprintf(alias + strlen(alias), "r*");
ddc5d341 456 if (id->flags & INPUT_DEVICE_ID_MATCH_RELBIT)
dc24f0e7 457 do_input(alias, id->relbit, 0, INPUT_DEVICE_ID_REL_MAX);
1d8f430c 458 sprintf(alias + strlen(alias), "a*");
ddc5d341 459 if (id->flags & INPUT_DEVICE_ID_MATCH_ABSBIT)
dc24f0e7 460 do_input(alias, id->absbit, 0, INPUT_DEVICE_ID_ABS_MAX);
1d8f430c 461 sprintf(alias + strlen(alias), "m*");
ddc5d341 462 if (id->flags & INPUT_DEVICE_ID_MATCH_MSCIT)
dc24f0e7 463 do_input(alias, id->mscbit, 0, INPUT_DEVICE_ID_MSC_MAX);
1d8f430c 464 sprintf(alias + strlen(alias), "l*");
ddc5d341 465 if (id->flags & INPUT_DEVICE_ID_MATCH_LEDBIT)
dc24f0e7 466 do_input(alias, id->ledbit, 0, INPUT_DEVICE_ID_LED_MAX);
1d8f430c 467 sprintf(alias + strlen(alias), "s*");
ddc5d341 468 if (id->flags & INPUT_DEVICE_ID_MATCH_SNDBIT)
dc24f0e7 469 do_input(alias, id->sndbit, 0, INPUT_DEVICE_ID_SND_MAX);
1d8f430c 470 sprintf(alias + strlen(alias), "f*");
ddc5d341 471 if (id->flags & INPUT_DEVICE_ID_MATCH_FFBIT)
dc24f0e7 472 do_input(alias, id->ffbit, 0, INPUT_DEVICE_ID_FF_MAX);
1d8f430c 473 sprintf(alias + strlen(alias), "w*");
ddc5d341 474 if (id->flags & INPUT_DEVICE_ID_MATCH_SWBIT)
dc24f0e7 475 do_input(alias, id->swbit, 0, INPUT_DEVICE_ID_SW_MAX);
1d8f430c
RR		 476 return 1;
477}
478
07563c71
MT		 479static int do_eisa_entry(const char *filename, struct eisa_device_id *eisa,
480 char *alias)
481{
482 if (eisa->sig[0])
483 sprintf(alias, EISA_DEVICE_MODALIAS_FMT "*", eisa->sig);
484 return 1;
485}
486
f3cf2673
KM		 487/* Looks like: parisc:tNhvNrevNsvN */
488static int do_parisc_entry(const char *filename, struct parisc_device_id *id,
489 char *alias)
490{
491 id->hw_type = TO_NATIVE(id->hw_type);
492 id->hversion = TO_NATIVE(id->hversion);
493 id->hversion_rev = TO_NATIVE(id->hversion_rev);
494 id->sversion = TO_NATIVE(id->sversion);
495
496 strcpy(alias, "parisc:");
f354ef8a
KM		 497 ADD(alias, "t", id->hw_type != PA_HWTYPE_ANY_ID, id->hw_type);
498 ADD(alias, "hv", id->hversion != PA_HVERSION_ANY_ID, id->hversion);
499 ADD(alias, "rev", id->hversion_rev != PA_HVERSION_REV_ANY_ID, id->hversion_rev);
500 ADD(alias, "sv", id->sversion != PA_SVERSION_ANY_ID, id->sversion);
f3cf2673
KM		 501
502 return 1;
503}
504
d59b66c7
PO		 505/* Looks like: sdio:cNvNdN. */
506static int do_sdio_entry(const char *filename,
507 struct sdio_device_id *id, char *alias)
508{
509 id->class = TO_NATIVE(id->class);
510 id->vendor = TO_NATIVE(id->vendor);
511 id->device = TO_NATIVE(id->device);
512
513 strcpy(alias, "sdio:");
514 ADD(alias, "c", id->class != (__u8)SDIO_ANY_ID, id->class);
515 ADD(alias, "v", id->vendor != (__u16)SDIO_ANY_ID, id->vendor);
516 ADD(alias, "d", id->device != (__u16)SDIO_ANY_ID, id->device);
038a5008
LT		 517 return 1;
518}
519
61e115a5
MB		 520/* Looks like: ssb:vNidNrevN. */
521static int do_ssb_entry(const char *filename,
522 struct ssb_device_id *id, char *alias)
523{
524 id->vendor = TO_NATIVE(id->vendor);
525 id->coreid = TO_NATIVE(id->coreid);
526 id->revision = TO_NATIVE(id->revision);
d59b66c7 527
61e115a5
MB		 528 strcpy(alias, "ssb:");
529 ADD(alias, "v", id->vendor != SSB_ANY_VENDOR, id->vendor);
530 ADD(alias, "id", id->coreid != SSB_ANY_ID, id->coreid);
531 ADD(alias, "rev", id->revision != SSB_ANY_REV, id->revision);
d59b66c7
PO		 532 return 1;
533}
534
1da177e4
LT		 535/* Ignore any prefix, eg. v850 prepends _ */
536static inline int sym_is(const char *symbol, const char *name)
537{
538 const char *match;
539
540 match = strstr(symbol, name);
541 if (!match)
542 return 0;
543 return match[strlen(symbol)] == '\0';
544}
545
546static void do_table(void *symval, unsigned long size,
547 unsigned long id_size,
fb33d816 548 const char *device_id,
1da177e4
LT		 549 void *function,
550 struct module *mod)
551{
552 unsigned int i;
553 char alias[500];
554 int (*do_entry)(const char *, void *entry, char *alias) = function;
555
e0049825 556 device_id_check(mod->name, device_id, size, id_size, symval);
1da177e4
LT		 557 /* Leave last one: it's the terminator. */
558 size -= id_size;
559
560 for (i = 0; i < size; i += id_size) {
561 if (do_entry(mod->name, symval+i, alias)) {
562 /* Always end in a wildcard, for future extension */
563 if (alias[strlen(alias)-1] != '*')
564 strcat(alias, "*");
565 buf_printf(&mod->dev_table_buf,
566 "MODULE_ALIAS(\"%s\");\n", alias);
567 }
568 }
569}
570
571/* Create MODULE_ALIAS() statements.
572 * At this time, we cannot write the actual output C source yet,
573 * so we write into the mod->dev_table_buf buffer. */
574void handle_moddevtable(struct module *mod, struct elf_info *info,
575 Elf_Sym *sym, const char *symname)
576{
577 void *symval;
e0049825 578 char *zeros = NULL;
1da177e4
LT		 579
580 /* We're looking for a section relative symbol */
581 if (!sym->st_shndx || sym->st_shndx >= info->hdr->e_shnum)
582 return;
583
e0049825
KC		 584 /* Handle all-NULL symbols allocated into .bss */
585 if (info->sechdrs[sym->st_shndx].sh_type & SHT_NOBITS) {
586 zeros = calloc(1, sym->st_size);
587 symval = zeros;
588 } else {
589 symval = (void *)info->hdr
590 + info->sechdrs[sym->st_shndx].sh_offset
591 + sym->st_value;
592 }
1da177e4
LT		 593
594 if (sym_is(symname, "__mod_pci_device_table"))
fb33d816
SR		 595 do_table(symval, sym->st_size,
596 sizeof(struct pci_device_id), "pci",
1da177e4
LT		 597 do_pci_entry, mod);
598 else if (sym_is(symname, "__mod_usb_device_table"))
b19dcd93
RK		 599 /* special case to handle bcdDevice ranges */
600 do_usb_table(symval, sym->st_size, mod);
1da177e4 601 else if (sym_is(symname, "__mod_ieee1394_device_table"))
fb33d816
SR		 602 do_table(symval, sym->st_size,
603 sizeof(struct ieee1394_device_id), "ieee1394",
1da177e4
LT		 604 do_ieee1394_entry, mod);
605 else if (sym_is(symname, "__mod_ccw_device_table"))
fb33d816
SR		 606 do_table(symval, sym->st_size,
607 sizeof(struct ccw_device_id), "ccw",
1da177e4 608 do_ccw_entry, mod);
1534c382
MS		 609 else if (sym_is(symname, "__mod_ap_device_table"))
610 do_table(symval, sym->st_size,
611 sizeof(struct ap_device_id), "ap",
612 do_ap_entry, mod);
1da177e4 613 else if (sym_is(symname, "__mod_serio_device_table"))
fb33d816
SR		 614 do_table(symval, sym->st_size,
615 sizeof(struct serio_device_id), "serio",
1da177e4 616 do_serio_entry, mod);
29b71a1c
TR		 617 else if (sym_is(symname, "__mod_acpi_device_table"))
618 do_table(symval, sym->st_size,
619 sizeof(struct acpi_device_id), "acpi",
620 do_acpi_entry, mod);
1da177e4 621 else if (sym_is(symname, "__mod_pnp_device_table"))
fb33d816
SR		 622 do_table(symval, sym->st_size,
623 sizeof(struct pnp_device_id), "pnp",
1da177e4
LT		 624 do_pnp_entry, mod);
625 else if (sym_is(symname, "__mod_pnp_card_device_table"))
fb33d816
SR		 626 do_table(symval, sym->st_size,
627 sizeof(struct pnp_card_device_id), "pnp_card",
1da177e4 628 do_pnp_card_entry, mod);
90829cfe 629 else if (sym_is(symname, "__mod_pcmcia_device_table"))
fb33d816
SR		 630 do_table(symval, sym->st_size,
631 sizeof(struct pcmcia_device_id), "pcmcia",
90829cfe 632 do_pcmcia_entry, mod);
5e655772 633 else if (sym_is(symname, "__mod_of_device_table"))
fb33d816
SR		 634 do_table(symval, sym->st_size,
635 sizeof(struct of_device_id), "of",
5e655772 636 do_of_entry, mod);
fb120da6 637 else if (sym_is(symname, "__mod_vio_device_table"))
fb33d816
SR		 638 do_table(symval, sym->st_size,
639 sizeof(struct vio_device_id), "vio",
fb120da6 640 do_vio_entry, mod);
a9d1b24d 641 else if (sym_is(symname, "__mod_i2c_device_table"))
fb33d816
SR		 642 do_table(symval, sym->st_size,
643 sizeof(struct i2c_device_id), "i2c",
a9d1b24d 644 do_i2c_entry, mod);
1d8f430c 645 else if (sym_is(symname, "__mod_input_device_table"))
fb33d816
SR		 646 do_table(symval, sym->st_size,
647 sizeof(struct input_device_id), "input",
1d8f430c 648 do_input_entry, mod);
07563c71
MT		 649 else if (sym_is(symname, "__mod_eisa_device_table"))
650 do_table(symval, sym->st_size,
651 sizeof(struct eisa_device_id), "eisa",
652 do_eisa_entry, mod);
f3cf2673
KM		 653 else if (sym_is(symname, "__mod_parisc_device_table"))
654 do_table(symval, sym->st_size,
655 sizeof(struct parisc_device_id), "parisc",
656 do_parisc_entry, mod);
d59b66c7
PO		 657 else if (sym_is(symname, "__mod_sdio_device_table"))
658 do_table(symval, sym->st_size,
659 sizeof(struct sdio_device_id), "sdio",
660 do_sdio_entry, mod);
61e115a5
MB		 661 else if (sym_is(symname, "__mod_ssb_device_table"))
662 do_table(symval, sym->st_size,
663 sizeof(struct ssb_device_id), "ssb",
664 do_ssb_entry, mod);
e0049825 665 free(zeros);
1da177e4
LT		 666}
667
668/* Now add out buffered information to the generated C source */
669void add_moddevtable(struct buffer *buf, struct module *mod)
670{
671 buf_printf(buf, "\n");
672 buf_write(buf, mod->dev_table_buf.p, mod->dev_table_buf.pos);
673 free(mod->dev_table_buf.p);
674}
Clone of davem's net-next-2.6 tree