File: /usr/src/linux/arch/sparc/kernel/sparc_ksyms.c
1 /* $Id: sparc_ksyms.c,v 1.107 2001/07/17 16:17:33 anton Exp $
2 * arch/sparc/kernel/ksyms.c: Sparc specific ksyms support.
3 *
4 * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
5 * Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
6 */
7
8 /* Tell string.h we don't want memcpy etc. as cpp defines */
9 #define EXPORT_SYMTAB_STROPS
10 #define PROMLIB_INTERNAL
11
12 #include <linux/config.h>
13 #include <linux/module.h>
14 #include <linux/smp.h>
15 #include <linux/types.h>
16 #include <linux/string.h>
17 #include <linux/sched.h>
18 #include <linux/interrupt.h>
19 #include <linux/in6.h>
20 #include <linux/spinlock.h>
21 #include <linux/mm.h>
22 #ifdef CONFIG_PCI
23 #include <linux/pci.h>
24 #endif
25
26 #include <asm/oplib.h>
27 #include <asm/delay.h>
28 #include <asm/system.h>
29 #include <asm/auxio.h>
30 #include <asm/pgtable.h>
31 #include <asm/io.h>
32 #include <asm/irq.h>
33 #include <asm/idprom.h>
34 #include <asm/svr4.h>
35 #include <asm/head.h>
36 #include <asm/smp.h>
37 #include <asm/mostek.h>
38 #include <asm/ptrace.h>
39 #include <asm/softirq.h>
40 #include <asm/hardirq.h>
41 #include <asm/user.h>
42 #include <asm/uaccess.h>
43 #include <asm/checksum.h>
44 #ifdef CONFIG_SBUS
45 #include <asm/sbus.h>
46 #include <asm/dma.h>
47 #endif
48 #include <asm/a.out.h>
49 #include <asm/io-unit.h>
50
51 struct poll {
52 int fd;
53 short events;
54 short revents;
55 };
56
57 extern int svr4_getcontext (svr4_ucontext_t *, struct pt_regs *);
58 extern int svr4_setcontext (svr4_ucontext_t *, struct pt_regs *);
59 void _sigpause_common (unsigned int set, struct pt_regs *);
60 extern void (*__copy_1page)(void *, const void *);
61 extern void __memmove(void *, const void *, __kernel_size_t);
62 extern void (*bzero_1page)(void *);
63 extern void *__bzero(void *, size_t);
64 extern void *__memscan_zero(void *, size_t);
65 extern void *__memscan_generic(void *, int, size_t);
66 extern int __memcmp(const void *, const void *, __kernel_size_t);
67 extern int __strncmp(const char *, const char *, __kernel_size_t);
68 extern char saved_command_line[];
69
70 extern void bcopy (const char *, char *, int);
71 extern int __ashrdi3(int, int);
72 extern int __ashldi3(int, int);
73 extern int __lshrdi3(int, int);
74 extern int __muldi3(int, int);
75 extern int __divdi3(int, int);
76
77 extern void dump_thread(struct pt_regs *, struct user *);
78
79 #ifdef CONFIG_SMP
80 extern spinlock_t kernel_flag;
81 #endif
82
83 /* One thing to note is that the way the symbols of the mul/div
84 * support routines are named is a mess, they all start with
85 * a '.' which makes it a bitch to export, here is the trick:
86 */
87
88 #define EXPORT_SYMBOL_DOT(sym) \
89 extern int __sparc_dot_ ## sym (int) __asm__("." #sym); \
90 __EXPORT_SYMBOL(__sparc_dot_ ## sym, "." #sym)
91
92 #define EXPORT_SYMBOL_PRIVATE(sym) \
93 extern int __sparc_priv_ ## sym (int) __asm__("__" #sym); \
94 const struct module_symbol __export_priv_##sym \
95 __attribute__((section("__ksymtab"))) = \
96 { (unsigned long) &__sparc_priv_ ## sym, "__" #sym }
97
98 /* used by various drivers */
99 EXPORT_SYMBOL(sparc_cpu_model);
100 EXPORT_SYMBOL(kernel_thread);
101 #ifdef SPIN_LOCK_DEBUG
102 EXPORT_SYMBOL(_do_spin_lock);
103 EXPORT_SYMBOL(_do_spin_unlock);
104 EXPORT_SYMBOL(_spin_trylock);
105 EXPORT_SYMBOL(_do_read_lock);
106 EXPORT_SYMBOL(_do_read_unlock);
107 EXPORT_SYMBOL(_do_write_lock);
108 EXPORT_SYMBOL(_do_write_unlock);
109 #else
110 EXPORT_SYMBOL_PRIVATE(_rw_read_enter);
111 EXPORT_SYMBOL_PRIVATE(_rw_read_exit);
112 EXPORT_SYMBOL_PRIVATE(_rw_write_enter);
113 #endif
114 /* semaphores */
115 EXPORT_SYMBOL(__up);
116 EXPORT_SYMBOL(__down);
117 EXPORT_SYMBOL(__down_trylock);
118 EXPORT_SYMBOL(__down_interruptible);
119
120 EXPORT_SYMBOL(sparc_valid_addr_bitmap);
121
122 /* Atomic operations. */
123 EXPORT_SYMBOL_PRIVATE(_atomic_add);
124 EXPORT_SYMBOL_PRIVATE(_atomic_sub);
125
126 /* Bit operations. */
127 EXPORT_SYMBOL_PRIVATE(_set_bit);
128 EXPORT_SYMBOL_PRIVATE(_clear_bit);
129 EXPORT_SYMBOL_PRIVATE(_change_bit);
130
131 #ifdef CONFIG_SMP
132 /* Kernel wide locking */
133 EXPORT_SYMBOL(kernel_flag);
134
135 /* IRQ implementation. */
136 EXPORT_SYMBOL(global_irq_holder);
137 EXPORT_SYMBOL(synchronize_irq);
138 EXPORT_SYMBOL(__global_cli);
139 EXPORT_SYMBOL(__global_sti);
140 EXPORT_SYMBOL(__global_save_flags);
141 EXPORT_SYMBOL(__global_restore_flags);
142
143 /* Misc SMP information */
144 EXPORT_SYMBOL(smp_num_cpus);
145 EXPORT_SYMBOL(__cpu_number_map);
146 EXPORT_SYMBOL(__cpu_logical_map);
147 #endif
148
149 EXPORT_SYMBOL(udelay);
150 EXPORT_SYMBOL(mostek_lock);
151 EXPORT_SYMBOL(mstk48t02_regs);
152 #if CONFIG_SUN_AUXIO
153 EXPORT_SYMBOL(auxio_register);
154 #endif
155 EXPORT_SYMBOL(request_fast_irq);
156 EXPORT_SYMBOL(io_remap_page_range);
157 /* P3: iounit_xxx may be needed, sun4d users */
158 /* EXPORT_SYMBOL(iounit_map_dma_init); */
159 /* EXPORT_SYMBOL(iounit_map_dma_page); */
160
161 /* Btfixup stuff cannot have versions, it would be complicated too much */
162 #ifndef CONFIG_SMP
163 EXPORT_SYMBOL_NOVERS(BTFIXUP_CALL(___xchg32));
164 #else
165 EXPORT_SYMBOL_NOVERS(BTFIXUP_CALL(__smp_processor_id));
166 #endif
167 EXPORT_SYMBOL_NOVERS(BTFIXUP_CALL(enable_irq));
168 EXPORT_SYMBOL_NOVERS(BTFIXUP_CALL(disable_irq));
169 EXPORT_SYMBOL_NOVERS(BTFIXUP_CALL(__irq_itoa));
170 EXPORT_SYMBOL_NOVERS(BTFIXUP_CALL(mmu_unlockarea));
171 EXPORT_SYMBOL_NOVERS(BTFIXUP_CALL(mmu_lockarea));
172 EXPORT_SYMBOL_NOVERS(BTFIXUP_CALL(mmu_get_scsi_sgl));
173 EXPORT_SYMBOL_NOVERS(BTFIXUP_CALL(mmu_get_scsi_one));
174 EXPORT_SYMBOL_NOVERS(BTFIXUP_CALL(mmu_release_scsi_sgl));
175 EXPORT_SYMBOL_NOVERS(BTFIXUP_CALL(mmu_release_scsi_one));
176
177 #if CONFIG_SBUS
178 EXPORT_SYMBOL(sbus_root);
179 EXPORT_SYMBOL(dma_chain);
180 EXPORT_SYMBOL(sbus_set_sbus64);
181 EXPORT_SYMBOL(sbus_alloc_consistent);
182 EXPORT_SYMBOL(sbus_free_consistent);
183 EXPORT_SYMBOL(sbus_map_single);
184 EXPORT_SYMBOL(sbus_unmap_single);
185 EXPORT_SYMBOL(sbus_map_sg);
186 EXPORT_SYMBOL(sbus_unmap_sg);
187 EXPORT_SYMBOL(sbus_dma_sync_single);
188 EXPORT_SYMBOL(sbus_dma_sync_sg);
189 EXPORT_SYMBOL(sbus_iounmap);
190 EXPORT_SYMBOL(sbus_ioremap);
191 #endif
192 #if CONFIG_PCI
193 /* Actually, ioremap/iounmap are not PCI specific. But it is ok for drivers. */
194 EXPORT_SYMBOL(ioremap);
195 EXPORT_SYMBOL(iounmap);
196
197 EXPORT_SYMBOL(insl);
198 EXPORT_SYMBOL(outsl);
199 EXPORT_SYMBOL(pci_alloc_consistent);
200 EXPORT_SYMBOL(pci_free_consistent);
201 EXPORT_SYMBOL(pci_map_single);
202 EXPORT_SYMBOL(pci_unmap_single);
203 EXPORT_SYMBOL(pci_dma_sync_single);
204 #endif
205
206 /* Solaris/SunOS binary compatibility */
207 EXPORT_SYMBOL(svr4_setcontext);
208 EXPORT_SYMBOL(svr4_getcontext);
209 EXPORT_SYMBOL(_sigpause_common);
210
211 /* Should really be in linux/kernel/ksyms.c */
212 EXPORT_SYMBOL(dump_thread);
213
214 /* prom symbols */
215 EXPORT_SYMBOL(idprom);
216 EXPORT_SYMBOL(prom_root_node);
217 EXPORT_SYMBOL(prom_getchild);
218 EXPORT_SYMBOL(prom_getsibling);
219 EXPORT_SYMBOL(prom_searchsiblings);
220 EXPORT_SYMBOL(prom_firstprop);
221 EXPORT_SYMBOL(prom_nextprop);
222 EXPORT_SYMBOL(prom_getproplen);
223 EXPORT_SYMBOL(prom_getproperty);
224 EXPORT_SYMBOL(prom_node_has_property);
225 EXPORT_SYMBOL(prom_setprop);
226 EXPORT_SYMBOL(saved_command_line);
227 EXPORT_SYMBOL(prom_apply_obio_ranges);
228 EXPORT_SYMBOL(prom_getname);
229 EXPORT_SYMBOL(prom_feval);
230 EXPORT_SYMBOL(prom_getbool);
231 EXPORT_SYMBOL(prom_getstring);
232 EXPORT_SYMBOL(prom_getint);
233 EXPORT_SYMBOL(prom_getintdefault);
234 EXPORT_SYMBOL(prom_finddevice);
235 EXPORT_SYMBOL(romvec);
236 EXPORT_SYMBOL(__prom_getchild);
237 EXPORT_SYMBOL(__prom_getsibling);
238
239 /* sparc library symbols */
240 EXPORT_SYMBOL(bcopy);
241 EXPORT_SYMBOL_NOVERS(memscan);
242 EXPORT_SYMBOL_NOVERS(strlen);
243 EXPORT_SYMBOL(strnlen);
244 EXPORT_SYMBOL(strcpy);
245 EXPORT_SYMBOL(strncpy);
246 EXPORT_SYMBOL(strcat);
247 EXPORT_SYMBOL(strncat);
248 EXPORT_SYMBOL(strcmp);
249 EXPORT_SYMBOL_NOVERS(strncmp);
250 EXPORT_SYMBOL(strchr);
251 EXPORT_SYMBOL(strrchr);
252 EXPORT_SYMBOL(strpbrk);
253 EXPORT_SYMBOL(strtok);
254 EXPORT_SYMBOL(strstr);
255 EXPORT_SYMBOL(page_kernel);
256
257 /* Special internal versions of library functions. */
258 EXPORT_SYMBOL(__copy_1page);
259 EXPORT_SYMBOL(__memcpy);
260 EXPORT_SYMBOL(__memset);
261 EXPORT_SYMBOL(bzero_1page);
262 EXPORT_SYMBOL(__bzero);
263 EXPORT_SYMBOL(__memscan_zero);
264 EXPORT_SYMBOL(__memscan_generic);
265 EXPORT_SYMBOL(__memcmp);
266 EXPORT_SYMBOL(__strncmp);
267 EXPORT_SYMBOL(__memmove);
268
269 /* Moving data to/from userspace. */
270 EXPORT_SYMBOL(__copy_user);
271 EXPORT_SYMBOL(__strncpy_from_user);
272
273 /* Networking helper routines. */
274 /* XXX This is NOVERS because C_LABEL_STR doesn't get the version number. -DaveM */
275 EXPORT_SYMBOL_NOVERS(__csum_partial_copy_sparc_generic);
276
277 /* No version information on this, heavily used in inline asm,
278 * and will always be 'void __ret_efault(void)'.
279 */
280 EXPORT_SYMBOL_NOVERS(__ret_efault);
281
282 /* No version information on these, as gcc produces such symbols. */
283 EXPORT_SYMBOL_NOVERS(memcmp);
284 EXPORT_SYMBOL_NOVERS(memcpy);
285 EXPORT_SYMBOL_NOVERS(memset);
286 EXPORT_SYMBOL_NOVERS(memmove);
287 EXPORT_SYMBOL_NOVERS(__ashrdi3);
288 EXPORT_SYMBOL_NOVERS(__ashldi3);
289 EXPORT_SYMBOL_NOVERS(__lshrdi3);
290 EXPORT_SYMBOL_NOVERS(__muldi3);
291 EXPORT_SYMBOL_NOVERS(__divdi3);
292
293 EXPORT_SYMBOL_DOT(rem);
294 EXPORT_SYMBOL_DOT(urem);
295 EXPORT_SYMBOL_DOT(mul);
296 EXPORT_SYMBOL_DOT(umul);
297 EXPORT_SYMBOL_DOT(div);
298 EXPORT_SYMBOL_DOT(udiv);
299