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/init.h>
  15 #include <linux/smp.h>
  16 #include <linux/types.h>
  17 #include <linux/string.h>
  18 #include <linux/sched.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/in6.h>
  21 #include <linux/spinlock.h>
  22 #include <linux/mm.h>
  23 #include <linux/syscalls.h>
  24 #ifdef CONFIG_PCI
  25 #include <linux/pci.h>
  26 #endif
  27 #include <linux/pm.h>
  28 #ifdef CONFIG_HIGHMEM
  29 #include <linux/highmem.h>
  30 #endif
  31
  32 #include <asm/oplib.h>
  33 #include <asm/delay.h>
  34 #include <asm/system.h>
  35 #include <asm/auxio.h>
  36 #include <asm/pgtable.h>
  37 #include <asm/io.h>
  38 #include <asm/irq.h>
  39 #include <asm/idprom.h>
  40 #include <asm/svr4.h>
  41 #include <asm/head.h>
  42 #include <asm/smp.h>
  43 #include <asm/mostek.h>
  44 #include <asm/ptrace.h>
  45 #include <asm/user.h>
  46 #include <asm/uaccess.h>
  47 #include <asm/checksum.h>
  48 #ifdef CONFIG_SBUS
  49 #include <asm/sbus.h>
  50 #include <asm/dma.h>
  51 #endif
  52 #ifdef CONFIG_PCI
  53 #include <asm/ebus.h>
  54 #endif
  55 #include <asm/a.out.h>
  56 #include <asm/io-unit.h>
  57 #include <asm/bug.h>
  58
  59 extern spinlock_t rtc_lock;
  60
  61 struct poll {
  62         int fd;
  63         short events;
  64         short revents;
  65 };
  66
  67 extern int svr4_getcontext (svr4_ucontext_t *, struct pt_regs *);
  68 extern int svr4_setcontext (svr4_ucontext_t *, struct pt_regs *);
  69 void _sigpause_common (unsigned int set, struct pt_regs *);
  70 extern void (*__copy_1page)(void *, const void *);
  71 extern void __memmove(void *, const void *, __kernel_size_t);
  72 extern void (*bzero_1page)(void *);
  73 extern void *__bzero(void *, size_t);
  74 extern void *__memscan_zero(void *, size_t);
  75 extern void *__memscan_generic(void *, int, size_t);
  76 extern int __memcmp(const void *, const void *, __kernel_size_t);
  77 extern int __strncmp(const char *, const char *, __kernel_size_t);
  78
  79 extern int __ashrdi3(int, int);
  80 extern int __ashldi3(int, int);
  81 extern int __lshrdi3(int, int);
  82 extern int __muldi3(int, int);
  83 extern int __divdi3(int, int);
  84
  85 extern void dump_thread(struct pt_regs *, struct user *);
  86
  87 /* Private functions with odd calling conventions. */
  88 extern void ___atomic24_add(void);
  89 extern void ___atomic24_sub(void);
  90 extern void ___set_bit(void);
  91 extern void ___clear_bit(void);
  92 extern void ___change_bit(void);
  93 extern void ___rw_read_enter(void);
  94 extern void ___rw_read_exit(void);
  95 extern void ___rw_write_enter(void);
  96
  97 /* Alias functions whose names begin with "." and export the aliases.
  98  * The module references will be fixed up by module_frob_arch_sections.
  99  */
 100 #define DOT_ALIAS2(__ret, __x, __arg1, __arg2) \
 101         extern __ret __x(__arg1, __arg2) \
 102                      __attribute__((weak, alias("." # __x)));
 103
 104 DOT_ALIAS2(int, div, int, int)
 105 DOT_ALIAS2(int, mul, int, int)
 106 DOT_ALIAS2(int, rem, int, int)
 107 DOT_ALIAS2(unsigned, udiv, unsigned, unsigned)
 108 DOT_ALIAS2(unsigned, umul, unsigned, unsigned)
 109 DOT_ALIAS2(unsigned, urem, unsigned, unsigned)
 110
 111 #undef DOT_ALIAS2
 112
 113 /* used by various drivers */
 114 EXPORT_SYMBOL(sparc_cpu_model);
 115 EXPORT_SYMBOL(kernel_thread);
 116 #ifdef CONFIG_DEBUG_SPINLOCK
 117 #ifdef CONFIG_SMP
 118 EXPORT_SYMBOL(_do_spin_lock);
 119 EXPORT_SYMBOL(_do_spin_unlock);
 120 EXPORT_SYMBOL(_spin_trylock);
 121 EXPORT_SYMBOL(_do_read_lock);
 122 EXPORT_SYMBOL(_do_read_unlock);
 123 EXPORT_SYMBOL(_do_write_lock);
 124 EXPORT_SYMBOL(_do_write_unlock);
 125 #endif
 126 #else
 127 // XXX find what uses (or used) these.
 128 EXPORT_SYMBOL(___rw_read_enter);
 129 EXPORT_SYMBOL(___rw_read_exit);
 130 EXPORT_SYMBOL(___rw_write_enter);
 131 #endif
 132 /* semaphores */
 133 EXPORT_SYMBOL(__up);
 134 EXPORT_SYMBOL(__down);
 135 EXPORT_SYMBOL(__down_trylock);
 136 EXPORT_SYMBOL(__down_interruptible);
 137
 138 EXPORT_SYMBOL(sparc_valid_addr_bitmap);
 139 EXPORT_SYMBOL(phys_base);
 140 EXPORT_SYMBOL(pfn_base);
 141
 142 /* Atomic operations. */
 143 EXPORT_SYMBOL(___atomic24_add);
 144 EXPORT_SYMBOL(___atomic24_sub);
 145
 146 /* Bit operations. */
 147 EXPORT_SYMBOL(___set_bit);
 148 EXPORT_SYMBOL(___clear_bit);
 149 EXPORT_SYMBOL(___change_bit);
 150
 151 /* Per-CPU information table */
 152 EXPORT_PER_CPU_SYMBOL(__cpu_data);
 153
 154 #ifdef CONFIG_SMP
 155 /* IRQ implementation. */
 156 EXPORT_SYMBOL(synchronize_irq);
 157
 158 /* Misc SMP information */
 159 EXPORT_SYMBOL(__cpu_number_map);
 160 EXPORT_SYMBOL(__cpu_logical_map);
 161
 162 /* CPU online map and active count. */
 163 EXPORT_SYMBOL(cpu_online_map);
 164 EXPORT_SYMBOL(phys_cpu_present_map);
 165 #endif
 166
 167 EXPORT_SYMBOL(__udelay);
 168 EXPORT_SYMBOL(__ndelay);
 169 EXPORT_SYMBOL(rtc_lock);
 170 EXPORT_SYMBOL(mostek_lock);
 171 EXPORT_SYMBOL(mstk48t02_regs);
 172 #ifdef CONFIG_SUN_AUXIO
 173 EXPORT_SYMBOL(set_auxio);
 174 EXPORT_SYMBOL(get_auxio);
 175 #endif
 176 EXPORT_SYMBOL(request_fast_irq);
 177 EXPORT_SYMBOL(io_remap_page_range);
 178 EXPORT_SYMBOL(io_remap_pfn_range);
 179   /* P3: iounit_xxx may be needed, sun4d users */
 180 /* EXPORT_SYMBOL(iounit_map_dma_init); */
 181 /* EXPORT_SYMBOL(iounit_map_dma_page); */
 182
 183 #ifndef CONFIG_SMP
 184 EXPORT_SYMBOL(BTFIXUP_CALL(___xchg32));
 185 #else
 186 EXPORT_SYMBOL(BTFIXUP_CALL(__hard_smp_processor_id));
 187 #endif
 188 EXPORT_SYMBOL(BTFIXUP_CALL(enable_irq));
 189 EXPORT_SYMBOL(BTFIXUP_CALL(disable_irq));
 190 EXPORT_SYMBOL(BTFIXUP_CALL(__irq_itoa));
 191 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_unlockarea));
 192 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_lockarea));
 193 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_get_scsi_sgl));
 194 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_get_scsi_one));
 195 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_release_scsi_sgl));
 196 EXPORT_SYMBOL(BTFIXUP_CALL(mmu_release_scsi_one));
 197
 198 #ifdef CONFIG_SBUS
 199 EXPORT_SYMBOL(sbus_root);
 200 EXPORT_SYMBOL(dma_chain);
 201 EXPORT_SYMBOL(sbus_set_sbus64);
 202 EXPORT_SYMBOL(sbus_alloc_consistent);
 203 EXPORT_SYMBOL(sbus_free_consistent);
 204 EXPORT_SYMBOL(sbus_map_single);
 205 EXPORT_SYMBOL(sbus_unmap_single);
 206 EXPORT_SYMBOL(sbus_map_sg);
 207 EXPORT_SYMBOL(sbus_unmap_sg);
 208 EXPORT_SYMBOL(sbus_dma_sync_single_for_cpu);
 209 EXPORT_SYMBOL(sbus_dma_sync_single_for_device);
 210 EXPORT_SYMBOL(sbus_dma_sync_sg_for_cpu);
 211 EXPORT_SYMBOL(sbus_dma_sync_sg_for_device);
 212 EXPORT_SYMBOL(sbus_iounmap);
 213 EXPORT_SYMBOL(sbus_ioremap);
 214 #endif
 215 #ifdef CONFIG_PCI
 216 EXPORT_SYMBOL(ebus_chain);
 217 EXPORT_SYMBOL(insb);
 218 EXPORT_SYMBOL(outsb);
 219 EXPORT_SYMBOL(insw);
 220 EXPORT_SYMBOL(outsw);
 221 EXPORT_SYMBOL(insl);
 222 EXPORT_SYMBOL(outsl);
 223 EXPORT_SYMBOL(pci_alloc_consistent);
 224 EXPORT_SYMBOL(pci_free_consistent);
 225 EXPORT_SYMBOL(pci_map_single);
 226 EXPORT_SYMBOL(pci_unmap_single);
 227 EXPORT_SYMBOL(pci_dma_sync_single_for_cpu);
 228 EXPORT_SYMBOL(pci_dma_sync_single_for_device);
 229 EXPORT_SYMBOL(pci_dma_sync_sg_for_cpu);
 230 EXPORT_SYMBOL(pci_dma_sync_sg_for_device);
 231 EXPORT_SYMBOL(pci_map_sg);
 232 EXPORT_SYMBOL(pci_unmap_sg);
 233 EXPORT_SYMBOL(pci_map_page);
 234 EXPORT_SYMBOL(pci_unmap_page);
 235 /* Actually, ioremap/iounmap are not PCI specific. But it is ok for drivers. */
 236 EXPORT_SYMBOL(ioremap);
 237 EXPORT_SYMBOL(iounmap);
 238 #endif
 239
 240 /* in arch/sparc/mm/highmem.c */
 241 #ifdef CONFIG_HIGHMEM
 242 EXPORT_SYMBOL(kmap_atomic);
 243 EXPORT_SYMBOL(kunmap_atomic);
 244 #endif
 245
 246 /* Solaris/SunOS binary compatibility */
 247 EXPORT_SYMBOL(svr4_setcontext);
 248 EXPORT_SYMBOL(svr4_getcontext);
 249 EXPORT_SYMBOL(_sigpause_common);
 250
 251 EXPORT_SYMBOL(dump_thread);
 252
 253 /* prom symbols */
 254 EXPORT_SYMBOL(idprom);
 255 EXPORT_SYMBOL(prom_root_node);
 256 EXPORT_SYMBOL(prom_getchild);
 257 EXPORT_SYMBOL(prom_getsibling);
 258 EXPORT_SYMBOL(prom_searchsiblings);
 259 EXPORT_SYMBOL(prom_firstprop);
 260 EXPORT_SYMBOL(prom_nextprop);
 261 EXPORT_SYMBOL(prom_getproplen);
 262 EXPORT_SYMBOL(prom_getproperty);
 263 EXPORT_SYMBOL(prom_node_has_property);
 264 EXPORT_SYMBOL(prom_setprop);
 265 EXPORT_SYMBOL(saved_command_line);
 266 EXPORT_SYMBOL(prom_apply_obio_ranges);
 267 EXPORT_SYMBOL(prom_getname);
 268 EXPORT_SYMBOL(prom_feval);
 269 EXPORT_SYMBOL(prom_getbool);
 270 EXPORT_SYMBOL(prom_getstring);
 271 EXPORT_SYMBOL(prom_getint);
 272 EXPORT_SYMBOL(prom_getintdefault);
 273 EXPORT_SYMBOL(prom_finddevice);
 274 EXPORT_SYMBOL(romvec);
 275 EXPORT_SYMBOL(__prom_getchild);
 276 EXPORT_SYMBOL(__prom_getsibling);
 277
 278 /* sparc library symbols */
 279 EXPORT_SYMBOL(memchr);
 280 EXPORT_SYMBOL(memscan);
 281 EXPORT_SYMBOL(strlen);
 282 EXPORT_SYMBOL(strnlen);
 283 EXPORT_SYMBOL(strcpy);
 284 EXPORT_SYMBOL(strncpy);
 285 EXPORT_SYMBOL(strcat);
 286 EXPORT_SYMBOL(strncat);
 287 EXPORT_SYMBOL(strcmp);
 288 EXPORT_SYMBOL(strncmp);
 289 EXPORT_SYMBOL(strchr);
 290 EXPORT_SYMBOL(strrchr);
 291 EXPORT_SYMBOL(strpbrk);
 292 EXPORT_SYMBOL(strstr);
 293 EXPORT_SYMBOL(page_kernel);
 294
 295 /* Special internal versions of library functions. */
 296 EXPORT_SYMBOL(__copy_1page);
 297 EXPORT_SYMBOL(__memcpy);
 298 EXPORT_SYMBOL(__memset);
 299 EXPORT_SYMBOL(bzero_1page);
 300 EXPORT_SYMBOL(__bzero);
 301 EXPORT_SYMBOL(__memscan_zero);
 302 EXPORT_SYMBOL(__memscan_generic);
 303 EXPORT_SYMBOL(__memcmp);
 304 EXPORT_SYMBOL(__strncmp);
 305 EXPORT_SYMBOL(__memmove);
 306
 307 /* Moving data to/from userspace. */
 308 EXPORT_SYMBOL(__copy_user);
 309 EXPORT_SYMBOL(__strncpy_from_user);
 310
 311 /* Networking helper routines. */
 312 EXPORT_SYMBOL(__csum_partial_copy_sparc_generic);
 313 EXPORT_SYMBOL(csum_partial);
 314
 315 /* Cache flushing.  */
 316 EXPORT_SYMBOL(sparc_flush_page_to_ram);
 317
 318 /* For when serial stuff is built as modules. */
 319 EXPORT_SYMBOL(sun_do_break);
 320
 321 EXPORT_SYMBOL(__ret_efault);
 322
 323 EXPORT_SYMBOL(memcmp);
 324 EXPORT_SYMBOL(memcpy);
 325 EXPORT_SYMBOL(memset);
 326 EXPORT_SYMBOL(memmove);
 327 EXPORT_SYMBOL(__ashrdi3);
 328 EXPORT_SYMBOL(__ashldi3);
 329 EXPORT_SYMBOL(__lshrdi3);
 330 EXPORT_SYMBOL(__muldi3);
 331 EXPORT_SYMBOL(__divdi3);
 332
 333 EXPORT_SYMBOL(rem);
 334 EXPORT_SYMBOL(urem);
 335 EXPORT_SYMBOL(mul);
 336 EXPORT_SYMBOL(umul);
 337 EXPORT_SYMBOL(div);
 338 EXPORT_SYMBOL(udiv);
 339
 340 #ifdef CONFIG_DEBUG_BUGVERBOSE
 341 EXPORT_SYMBOL(do_BUG);
 342 #endif
 343
 344 /* Sun Power Management Idle Handler */
 345 EXPORT_SYMBOL(pm_idle);
 346
 347 /* Binfmt_misc needs this */
 348 EXPORT_SYMBOL(sys_close);