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.
5 * Copyright 2002-2003 Rusty Russell, IBM Corporation
6 * 2003 Kai Germaschewski
9 * This software may be used and distributed according to the terms
10 * of the GNU General Public License, incorporated herein by reference.
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
18 typedef Elf32_Addr kernel_ulong_t
;
19 #define BITS_PER_LONG 32
21 typedef Elf64_Addr kernel_ulong_t
;
22 #define BITS_PER_LONG 64
32 typedef uint32_t __u32
;
33 typedef uint16_t __u16
;
34 typedef unsigned char __u8
;
36 /* Big exception to the "don't include kernel headers into userspace, which
37 * even potentially has different endianness and word sizes, since
38 * we handle those differences explicitly below */
39 #include "../../include/linux/mod_devicetable.h"
41 #define ADD(str, sep, cond, field) \
45 sprintf(str + strlen(str), \
46 sizeof(field) == 1 ? "%02X" : \
47 sizeof(field) == 2 ? "%04X" : \
48 sizeof(field) == 4 ? "%08X" : "", \
51 sprintf(str + strlen(str), "*"); \
54 unsigned int cross_build
= 0;
56 * Check that sizeof(device_id type) are consistent with size of section
57 * in .o file. If in-consistent then userspace and kernel does not agree
58 * on actual size which is a bug.
59 * Also verify that the final entry in the table is all zeros.
60 * Ignore both checks if build host differ from target host and size differs.
62 static void device_id_check(const char *modname
, const char *device_id
,
63 unsigned long size
, unsigned long id_size
,
68 if (size
% id_size
|| size
< id_size
) {
71 fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo "
72 "of the size of section __mod_%s_device_table=%lu.\n"
73 "Fix definition of struct %s_device_id "
74 "in mod_devicetable.h\n",
75 modname
, device_id
, id_size
, device_id
, size
, device_id
);
77 /* Verify last one is a terminator */
78 for (i
= 0; i
< id_size
; i
++ ) {
79 if (*(uint8_t*)(symval
+size
-id_size
+i
)) {
80 fprintf(stderr
,"%s: struct %s_device_id is %lu bytes. "
81 "The last of %lu is:\n",
82 modname
, device_id
, id_size
, size
/ id_size
);
83 for (i
= 0; i
< id_size
; i
++ )
84 fprintf(stderr
,"0x%02x ",
85 *(uint8_t*)(symval
+size
-id_size
+i
) );
87 fatal("%s: struct %s_device_id is not terminated "
88 "with a NULL entry!\n", modname
, device_id
);
93 /* USB is special because the bcdDevice can be matched against a numeric range */
94 /* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipN" */
95 static void do_usb_entry(struct usb_device_id
*id
,
96 unsigned int bcdDevice_initial
, int bcdDevice_initial_digits
,
97 unsigned char range_lo
, unsigned char range_hi
,
101 strcpy(alias
, "usb:");
102 ADD(alias
, "v", id
->match_flags
&USB_DEVICE_ID_MATCH_VENDOR
,
104 ADD(alias
, "p", id
->match_flags
&USB_DEVICE_ID_MATCH_PRODUCT
,
108 if (bcdDevice_initial_digits
)
109 sprintf(alias
+ strlen(alias
), "%0*X",
110 bcdDevice_initial_digits
, bcdDevice_initial
);
111 if (range_lo
== range_hi
)
112 sprintf(alias
+ strlen(alias
), "%u", range_lo
);
113 else if (range_lo
> 0 || range_hi
< 9)
114 sprintf(alias
+ strlen(alias
), "[%u-%u]", range_lo
, range_hi
);
115 if (bcdDevice_initial_digits
< (sizeof(id
->bcdDevice_lo
) * 2 - 1))
118 ADD(alias
, "dc", id
->match_flags
&USB_DEVICE_ID_MATCH_DEV_CLASS
,
121 id
->match_flags
&USB_DEVICE_ID_MATCH_DEV_SUBCLASS
,
122 id
->bDeviceSubClass
);
124 id
->match_flags
&USB_DEVICE_ID_MATCH_DEV_PROTOCOL
,
125 id
->bDeviceProtocol
);
127 id
->match_flags
&USB_DEVICE_ID_MATCH_INT_CLASS
,
128 id
->bInterfaceClass
);
130 id
->match_flags
&USB_DEVICE_ID_MATCH_INT_SUBCLASS
,
131 id
->bInterfaceSubClass
);
133 id
->match_flags
&USB_DEVICE_ID_MATCH_INT_PROTOCOL
,
134 id
->bInterfaceProtocol
);
136 /* Always end in a wildcard, for future extension */
137 if (alias
[strlen(alias
)-1] != '*')
139 buf_printf(&mod
->dev_table_buf
,
140 "MODULE_ALIAS(\"%s\");\n", alias
);
143 static void do_usb_entry_multi(struct usb_device_id
*id
, struct module
*mod
)
145 unsigned int devlo
, devhi
;
146 unsigned char chi
, clo
;
149 id
->match_flags
= TO_NATIVE(id
->match_flags
);
150 id
->idVendor
= TO_NATIVE(id
->idVendor
);
151 id
->idProduct
= TO_NATIVE(id
->idProduct
);
153 devlo
= id
->match_flags
& USB_DEVICE_ID_MATCH_DEV_LO
?
154 TO_NATIVE(id
->bcdDevice_lo
) : 0x0U
;
155 devhi
= id
->match_flags
& USB_DEVICE_ID_MATCH_DEV_HI
?
156 TO_NATIVE(id
->bcdDevice_hi
) : ~0x0U
;
159 * Some modules (visor) have empty slots as placeholder for
160 * run-time specification that results in catch-all alias
162 if (!(id
->idVendor
| id
->idProduct
| id
->bDeviceClass
| id
->bInterfaceClass
))
165 /* Convert numeric bcdDevice range into fnmatch-able pattern(s) */
166 for (ndigits
= sizeof(id
->bcdDevice_lo
) * 2 - 1; devlo
<= devhi
; ndigits
--) {
169 if (chi
> 9) /* it's bcd not hex */
174 if (devlo
== devhi
|| !ndigits
) {
175 do_usb_entry(id
, devlo
, ndigits
, clo
, chi
, mod
);
180 do_usb_entry(id
, devlo
++, ndigits
, clo
, 9, mod
);
183 do_usb_entry(id
, devhi
--, ndigits
, 0, chi
, mod
);
187 static void do_usb_table(void *symval
, unsigned long size
,
191 const unsigned long id_size
= sizeof(struct usb_device_id
);
193 device_id_check(mod
->name
, "usb", size
, id_size
, symval
);
195 /* Leave last one: it's the terminator. */
198 for (i
= 0; i
< size
; i
+= id_size
)
199 do_usb_entry_multi(symval
+ i
, mod
);
202 /* Looks like: ieee1394:venNmoNspNverN */
203 static int do_ieee1394_entry(const char *filename
,
204 struct ieee1394_device_id
*id
, char *alias
)
206 id
->match_flags
= TO_NATIVE(id
->match_flags
);
207 id
->vendor_id
= TO_NATIVE(id
->vendor_id
);
208 id
->model_id
= TO_NATIVE(id
->model_id
);
209 id
->specifier_id
= TO_NATIVE(id
->specifier_id
);
210 id
->version
= TO_NATIVE(id
->version
);
212 strcpy(alias
, "ieee1394:");
213 ADD(alias
, "ven", id
->match_flags
& IEEE1394_MATCH_VENDOR_ID
,
215 ADD(alias
, "mo", id
->match_flags
& IEEE1394_MATCH_MODEL_ID
,
217 ADD(alias
, "sp", id
->match_flags
& IEEE1394_MATCH_SPECIFIER_ID
,
219 ADD(alias
, "ver", id
->match_flags
& IEEE1394_MATCH_VERSION
,
225 /* Looks like: pci:vNdNsvNsdNbcNscNiN. */
226 static int do_pci_entry(const char *filename
,
227 struct pci_device_id
*id
, char *alias
)
229 /* Class field can be divided into these three. */
230 unsigned char baseclass
, subclass
, interface
,
231 baseclass_mask
, subclass_mask
, interface_mask
;
233 id
->vendor
= TO_NATIVE(id
->vendor
);
234 id
->device
= TO_NATIVE(id
->device
);
235 id
->subvendor
= TO_NATIVE(id
->subvendor
);
236 id
->subdevice
= TO_NATIVE(id
->subdevice
);
237 id
->class = TO_NATIVE(id
->class);
238 id
->class_mask
= TO_NATIVE(id
->class_mask
);
240 strcpy(alias
, "pci:");
241 ADD(alias
, "v", id
->vendor
!= PCI_ANY_ID
, id
->vendor
);
242 ADD(alias
, "d", id
->device
!= PCI_ANY_ID
, id
->device
);
243 ADD(alias
, "sv", id
->subvendor
!= PCI_ANY_ID
, id
->subvendor
);
244 ADD(alias
, "sd", id
->subdevice
!= PCI_ANY_ID
, id
->subdevice
);
246 baseclass
= (id
->class) >> 16;
247 baseclass_mask
= (id
->class_mask
) >> 16;
248 subclass
= (id
->class) >> 8;
249 subclass_mask
= (id
->class_mask
) >> 8;
250 interface
= id
->class;
251 interface_mask
= id
->class_mask
;
253 if ((baseclass_mask
!= 0 && baseclass_mask
!= 0xFF)
254 || (subclass_mask
!= 0 && subclass_mask
!= 0xFF)
255 || (interface_mask
!= 0 && interface_mask
!= 0xFF)) {
256 warn("Can't handle masks in %s:%04X\n",
257 filename
, id
->class_mask
);
261 ADD(alias
, "bc", baseclass_mask
== 0xFF, baseclass
);
262 ADD(alias
, "sc", subclass_mask
== 0xFF, subclass
);
263 ADD(alias
, "i", interface_mask
== 0xFF, interface
);
267 /* looks like: "ccw:tNmNdtNdmN" */
268 static int do_ccw_entry(const char *filename
,
269 struct ccw_device_id
*id
, char *alias
)
271 id
->match_flags
= TO_NATIVE(id
->match_flags
);
272 id
->cu_type
= TO_NATIVE(id
->cu_type
);
273 id
->cu_model
= TO_NATIVE(id
->cu_model
);
274 id
->dev_type
= TO_NATIVE(id
->dev_type
);
275 id
->dev_model
= TO_NATIVE(id
->dev_model
);
277 strcpy(alias
, "ccw:");
278 ADD(alias
, "t", id
->match_flags
&CCW_DEVICE_ID_MATCH_CU_TYPE
,
280 ADD(alias
, "m", id
->match_flags
&CCW_DEVICE_ID_MATCH_CU_MODEL
,
282 ADD(alias
, "dt", id
->match_flags
&CCW_DEVICE_ID_MATCH_DEVICE_TYPE
,
284 ADD(alias
, "dm", id
->match_flags
&CCW_DEVICE_ID_MATCH_DEVICE_MODEL
,
289 /* looks like: "ap:tN" */
290 static int do_ap_entry(const char *filename
,
291 struct ap_device_id
*id
, char *alias
)
293 sprintf(alias
, "ap:t%02X", id
->dev_type
);
297 /* Looks like: "serio:tyNprNidNexN" */
298 static int do_serio_entry(const char *filename
,
299 struct serio_device_id
*id
, char *alias
)
301 id
->type
= TO_NATIVE(id
->type
);
302 id
->proto
= TO_NATIVE(id
->proto
);
303 id
->id
= TO_NATIVE(id
->id
);
304 id
->extra
= TO_NATIVE(id
->extra
);
306 strcpy(alias
, "serio:");
307 ADD(alias
, "ty", id
->type
!= SERIO_ANY
, id
->type
);
308 ADD(alias
, "pr", id
->proto
!= SERIO_ANY
, id
->proto
);
309 ADD(alias
, "id", id
->id
!= SERIO_ANY
, id
->id
);
310 ADD(alias
, "ex", id
->extra
!= SERIO_ANY
, id
->extra
);
315 /* looks like: "acpi:ACPI0003 or acpi:PNP0C0B" or "acpi:LNXVIDEO" */
316 static int do_acpi_entry(const char *filename
,
317 struct acpi_device_id
*id
, char *alias
)
319 sprintf(alias
, "acpi*:%s:", id
->id
);
323 /* looks like: "pnp:dD" */
324 static int do_pnp_entry(const char *filename
,
325 struct pnp_device_id
*id
, char *alias
)
327 sprintf(alias
, "pnp:d%s", id
->id
);
331 /* looks like: "pnp:dD" for every device of the card */
332 static void do_pnp_card_entries(void *symval
, unsigned long size
,
335 const unsigned long id_size
= sizeof(struct pnp_card_device_id
);
336 const unsigned int count
= (size
/ id_size
)-1;
337 const struct pnp_card_device_id
*cards
= symval
;
340 device_id_check(mod
->name
, "pnp", size
, id_size
, symval
);
342 for (i
= 0; i
< count
; i
++) {
344 const struct pnp_card_device_id
*card
= &cards
[i
];
346 for (j
= 0; j
< PNP_MAX_DEVICES
; j
++) {
347 const char *id
= (char *)card
->devs
[j
].id
;
354 /* find duplicate, already added value */
355 for (i2
= 0; i2
< i
&& !dup
; i2
++) {
356 const struct pnp_card_device_id
*card2
= &cards
[i2
];
358 for (j2
= 0; j2
< PNP_MAX_DEVICES
; j2
++) {
359 const char *id2
= (char *)card2
->devs
[j2
].id
;
364 if (!strcmp(id
, id2
)) {
371 /* add an individual alias for every device entry */
373 buf_printf(&mod
->dev_table_buf
,
374 "MODULE_ALIAS(\"pnp:d%s*\");\n", id
);
379 /* Looks like: pcmcia:mNcNfNfnNpfnNvaNvbNvcNvdN. */
380 static int do_pcmcia_entry(const char *filename
,
381 struct pcmcia_device_id
*id
, char *alias
)
385 id
->match_flags
= TO_NATIVE(id
->match_flags
);
386 id
->manf_id
= TO_NATIVE(id
->manf_id
);
387 id
->card_id
= TO_NATIVE(id
->card_id
);
388 id
->func_id
= TO_NATIVE(id
->func_id
);
389 id
->function
= TO_NATIVE(id
->function
);
390 id
->device_no
= TO_NATIVE(id
->device_no
);
392 for (i
=0; i
<4; i
++) {
393 id
->prod_id_hash
[i
] = TO_NATIVE(id
->prod_id_hash
[i
]);
396 strcpy(alias
, "pcmcia:");
397 ADD(alias
, "m", id
->match_flags
& PCMCIA_DEV_ID_MATCH_MANF_ID
,
399 ADD(alias
, "c", id
->match_flags
& PCMCIA_DEV_ID_MATCH_CARD_ID
,
401 ADD(alias
, "f", id
->match_flags
& PCMCIA_DEV_ID_MATCH_FUNC_ID
,
403 ADD(alias
, "fn", id
->match_flags
& PCMCIA_DEV_ID_MATCH_FUNCTION
,
405 ADD(alias
, "pfn", id
->match_flags
& PCMCIA_DEV_ID_MATCH_DEVICE_NO
,
407 ADD(alias
, "pa", id
->match_flags
& PCMCIA_DEV_ID_MATCH_PROD_ID1
, id
->prod_id_hash
[0]);
408 ADD(alias
, "pb", id
->match_flags
& PCMCIA_DEV_ID_MATCH_PROD_ID2
, id
->prod_id_hash
[1]);
409 ADD(alias
, "pc", id
->match_flags
& PCMCIA_DEV_ID_MATCH_PROD_ID3
, id
->prod_id_hash
[2]);
410 ADD(alias
, "pd", id
->match_flags
& PCMCIA_DEV_ID_MATCH_PROD_ID4
, id
->prod_id_hash
[3]);
417 static int do_of_entry (const char *filename
, struct of_device_id
*of
, char *alias
)
421 len
= sprintf (alias
, "of:N%sT%s",
422 of
->name
[0] ? of
->name
: "*",
423 of
->type
[0] ? of
->type
: "*");
425 if (of
->compatible
[0])
426 sprintf (&alias
[len
], "%sC%s",
427 of
->type
[0] ? "*" : "",
430 /* Replace all whitespace with underscores */
431 for (tmp
= alias
; tmp
&& *tmp
; tmp
++)
438 static int do_vio_entry(const char *filename
, struct vio_device_id
*vio
,
443 sprintf(alias
, "vio:T%sS%s", vio
->type
[0] ? vio
->type
: "*",
444 vio
->compat
[0] ? vio
->compat
: "*");
446 /* Replace all whitespace with underscores */
447 for (tmp
= alias
; tmp
&& *tmp
; tmp
++)
454 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
456 static void do_input(char *alias
,
457 kernel_ulong_t
*arr
, unsigned int min
, unsigned int max
)
461 for (i
= min
; i
< max
; i
++)
462 if (arr
[i
/ BITS_PER_LONG
] & (1L << (i
%BITS_PER_LONG
)))
463 sprintf(alias
+ strlen(alias
), "%X,*", i
);
466 /* input:b0v0p0e0-eXkXrXaXmXlXsXfXwX where X is comma-separated %02X. */
467 static int do_input_entry(const char *filename
, struct input_device_id
*id
,
470 sprintf(alias
, "input:");
472 ADD(alias
, "b", id
->flags
& INPUT_DEVICE_ID_MATCH_BUS
, id
->bustype
);
473 ADD(alias
, "v", id
->flags
& INPUT_DEVICE_ID_MATCH_VENDOR
, id
->vendor
);
474 ADD(alias
, "p", id
->flags
& INPUT_DEVICE_ID_MATCH_PRODUCT
, id
->product
);
475 ADD(alias
, "e", id
->flags
& INPUT_DEVICE_ID_MATCH_VERSION
, id
->version
);
477 sprintf(alias
+ strlen(alias
), "-e*");
478 if (id
->flags
& INPUT_DEVICE_ID_MATCH_EVBIT
)
479 do_input(alias
, id
->evbit
, 0, INPUT_DEVICE_ID_EV_MAX
);
480 sprintf(alias
+ strlen(alias
), "k*");
481 if (id
->flags
& INPUT_DEVICE_ID_MATCH_KEYBIT
)
482 do_input(alias
, id
->keybit
,
483 INPUT_DEVICE_ID_KEY_MIN_INTERESTING
,
484 INPUT_DEVICE_ID_KEY_MAX
);
485 sprintf(alias
+ strlen(alias
), "r*");
486 if (id
->flags
& INPUT_DEVICE_ID_MATCH_RELBIT
)
487 do_input(alias
, id
->relbit
, 0, INPUT_DEVICE_ID_REL_MAX
);
488 sprintf(alias
+ strlen(alias
), "a*");
489 if (id
->flags
& INPUT_DEVICE_ID_MATCH_ABSBIT
)
490 do_input(alias
, id
->absbit
, 0, INPUT_DEVICE_ID_ABS_MAX
);
491 sprintf(alias
+ strlen(alias
), "m*");
492 if (id
->flags
& INPUT_DEVICE_ID_MATCH_MSCIT
)
493 do_input(alias
, id
->mscbit
, 0, INPUT_DEVICE_ID_MSC_MAX
);
494 sprintf(alias
+ strlen(alias
), "l*");
495 if (id
->flags
& INPUT_DEVICE_ID_MATCH_LEDBIT
)
496 do_input(alias
, id
->ledbit
, 0, INPUT_DEVICE_ID_LED_MAX
);
497 sprintf(alias
+ strlen(alias
), "s*");
498 if (id
->flags
& INPUT_DEVICE_ID_MATCH_SNDBIT
)
499 do_input(alias
, id
->sndbit
, 0, INPUT_DEVICE_ID_SND_MAX
);
500 sprintf(alias
+ strlen(alias
), "f*");
501 if (id
->flags
& INPUT_DEVICE_ID_MATCH_FFBIT
)
502 do_input(alias
, id
->ffbit
, 0, INPUT_DEVICE_ID_FF_MAX
);
503 sprintf(alias
+ strlen(alias
), "w*");
504 if (id
->flags
& INPUT_DEVICE_ID_MATCH_SWBIT
)
505 do_input(alias
, id
->swbit
, 0, INPUT_DEVICE_ID_SW_MAX
);
509 static int do_eisa_entry(const char *filename
, struct eisa_device_id
*eisa
,
513 sprintf(alias
, EISA_DEVICE_MODALIAS_FMT
"*", eisa
->sig
);
517 /* Looks like: parisc:tNhvNrevNsvN */
518 static int do_parisc_entry(const char *filename
, struct parisc_device_id
*id
,
521 id
->hw_type
= TO_NATIVE(id
->hw_type
);
522 id
->hversion
= TO_NATIVE(id
->hversion
);
523 id
->hversion_rev
= TO_NATIVE(id
->hversion_rev
);
524 id
->sversion
= TO_NATIVE(id
->sversion
);
526 strcpy(alias
, "parisc:");
527 ADD(alias
, "t", id
->hw_type
!= PA_HWTYPE_ANY_ID
, id
->hw_type
);
528 ADD(alias
, "hv", id
->hversion
!= PA_HVERSION_ANY_ID
, id
->hversion
);
529 ADD(alias
, "rev", id
->hversion_rev
!= PA_HVERSION_REV_ANY_ID
, id
->hversion_rev
);
530 ADD(alias
, "sv", id
->sversion
!= PA_SVERSION_ANY_ID
, id
->sversion
);
535 /* Looks like: sdio:cNvNdN. */
536 static int do_sdio_entry(const char *filename
,
537 struct sdio_device_id
*id
, char *alias
)
539 id
->class = TO_NATIVE(id
->class);
540 id
->vendor
= TO_NATIVE(id
->vendor
);
541 id
->device
= TO_NATIVE(id
->device
);
543 strcpy(alias
, "sdio:");
544 ADD(alias
, "c", id
->class != (__u8
)SDIO_ANY_ID
, id
->class);
545 ADD(alias
, "v", id
->vendor
!= (__u16
)SDIO_ANY_ID
, id
->vendor
);
546 ADD(alias
, "d", id
->device
!= (__u16
)SDIO_ANY_ID
, id
->device
);
550 /* Looks like: ssb:vNidNrevN. */
551 static int do_ssb_entry(const char *filename
,
552 struct ssb_device_id
*id
, char *alias
)
554 id
->vendor
= TO_NATIVE(id
->vendor
);
555 id
->coreid
= TO_NATIVE(id
->coreid
);
556 id
->revision
= TO_NATIVE(id
->revision
);
558 strcpy(alias
, "ssb:");
559 ADD(alias
, "v", id
->vendor
!= SSB_ANY_VENDOR
, id
->vendor
);
560 ADD(alias
, "id", id
->coreid
!= SSB_ANY_ID
, id
->coreid
);
561 ADD(alias
, "rev", id
->revision
!= SSB_ANY_REV
, id
->revision
);
565 /* Looks like: virtio:dNvN */
566 static int do_virtio_entry(const char *filename
, struct virtio_device_id
*id
,
569 id
->device
= TO_NATIVE(id
->device
);
570 id
->vendor
= TO_NATIVE(id
->vendor
);
572 strcpy(alias
, "virtio:");
573 ADD(alias
, "d", 1, id
->device
);
574 ADD(alias
, "v", id
->vendor
!= VIRTIO_DEV_ANY_ID
, id
->vendor
);
579 /* Looks like: i2c:S */
580 static int do_i2c_entry(const char *filename
, struct i2c_device_id
*id
,
583 sprintf(alias
, I2C_MODULE_PREFIX
"%s", id
->name
);
588 /* Ignore any prefix, eg. v850 prepends _ */
589 static inline int sym_is(const char *symbol
, const char *name
)
593 match
= strstr(symbol
, name
);
596 return match
[strlen(symbol
)] == '\0';
599 static void do_table(void *symval
, unsigned long size
,
600 unsigned long id_size
,
601 const char *device_id
,
607 int (*do_entry
)(const char *, void *entry
, char *alias
) = function
;
609 device_id_check(mod
->name
, device_id
, size
, id_size
, symval
);
610 /* Leave last one: it's the terminator. */
613 for (i
= 0; i
< size
; i
+= id_size
) {
614 if (do_entry(mod
->name
, symval
+i
, alias
)) {
615 /* Always end in a wildcard, for future extension */
616 if (alias
[strlen(alias
)-1] != '*')
618 buf_printf(&mod
->dev_table_buf
,
619 "MODULE_ALIAS(\"%s\");\n", alias
);
624 /* Create MODULE_ALIAS() statements.
625 * At this time, we cannot write the actual output C source yet,
626 * so we write into the mod->dev_table_buf buffer. */
627 void handle_moddevtable(struct module
*mod
, struct elf_info
*info
,
628 Elf_Sym
*sym
, const char *symname
)
633 /* We're looking for a section relative symbol */
634 if (!sym
->st_shndx
|| sym
->st_shndx
>= info
->hdr
->e_shnum
)
637 /* Handle all-NULL symbols allocated into .bss */
638 if (info
->sechdrs
[sym
->st_shndx
].sh_type
& SHT_NOBITS
) {
639 zeros
= calloc(1, sym
->st_size
);
642 symval
= (void *)info
->hdr
643 + info
->sechdrs
[sym
->st_shndx
].sh_offset
647 if (sym_is(symname
, "__mod_pci_device_table"))
648 do_table(symval
, sym
->st_size
,
649 sizeof(struct pci_device_id
), "pci",
651 else if (sym_is(symname
, "__mod_usb_device_table"))
652 /* special case to handle bcdDevice ranges */
653 do_usb_table(symval
, sym
->st_size
, mod
);
654 else if (sym_is(symname
, "__mod_ieee1394_device_table"))
655 do_table(symval
, sym
->st_size
,
656 sizeof(struct ieee1394_device_id
), "ieee1394",
657 do_ieee1394_entry
, mod
);
658 else if (sym_is(symname
, "__mod_ccw_device_table"))
659 do_table(symval
, sym
->st_size
,
660 sizeof(struct ccw_device_id
), "ccw",
662 else if (sym_is(symname
, "__mod_ap_device_table"))
663 do_table(symval
, sym
->st_size
,
664 sizeof(struct ap_device_id
), "ap",
666 else if (sym_is(symname
, "__mod_serio_device_table"))
667 do_table(symval
, sym
->st_size
,
668 sizeof(struct serio_device_id
), "serio",
669 do_serio_entry
, mod
);
670 else if (sym_is(symname
, "__mod_acpi_device_table"))
671 do_table(symval
, sym
->st_size
,
672 sizeof(struct acpi_device_id
), "acpi",
674 else if (sym_is(symname
, "__mod_pnp_device_table"))
675 do_table(symval
, sym
->st_size
,
676 sizeof(struct pnp_device_id
), "pnp",
678 else if (sym_is(symname
, "__mod_pnp_card_device_table"))
679 do_pnp_card_entries(symval
, sym
->st_size
, mod
);
680 else if (sym_is(symname
, "__mod_pcmcia_device_table"))
681 do_table(symval
, sym
->st_size
,
682 sizeof(struct pcmcia_device_id
), "pcmcia",
683 do_pcmcia_entry
, mod
);
684 else if (sym_is(symname
, "__mod_of_device_table"))
685 do_table(symval
, sym
->st_size
,
686 sizeof(struct of_device_id
), "of",
688 else if (sym_is(symname
, "__mod_vio_device_table"))
689 do_table(symval
, sym
->st_size
,
690 sizeof(struct vio_device_id
), "vio",
692 else if (sym_is(symname
, "__mod_input_device_table"))
693 do_table(symval
, sym
->st_size
,
694 sizeof(struct input_device_id
), "input",
695 do_input_entry
, mod
);
696 else if (sym_is(symname
, "__mod_eisa_device_table"))
697 do_table(symval
, sym
->st_size
,
698 sizeof(struct eisa_device_id
), "eisa",
700 else if (sym_is(symname
, "__mod_parisc_device_table"))
701 do_table(symval
, sym
->st_size
,
702 sizeof(struct parisc_device_id
), "parisc",
703 do_parisc_entry
, mod
);
704 else if (sym_is(symname
, "__mod_sdio_device_table"))
705 do_table(symval
, sym
->st_size
,
706 sizeof(struct sdio_device_id
), "sdio",
708 else if (sym_is(symname
, "__mod_ssb_device_table"))
709 do_table(symval
, sym
->st_size
,
710 sizeof(struct ssb_device_id
), "ssb",
712 else if (sym_is(symname
, "__mod_virtio_device_table"))
713 do_table(symval
, sym
->st_size
,
714 sizeof(struct virtio_device_id
), "virtio",
715 do_virtio_entry
, mod
);
716 else if (sym_is(symname
, "__mod_i2c_device_table"))
717 do_table(symval
, sym
->st_size
,
718 sizeof(struct i2c_device_id
), "i2c",
723 /* Now add out buffered information to the generated C source */
724 void add_moddevtable(struct buffer
*buf
, struct module
*mod
)
726 buf_printf(buf
, "\n");
727 buf_write(buf
, mod
->dev_table_buf
.p
, mod
->dev_table_buf
.pos
);
728 free(mod
->dev_table_buf
.p
);