arch/arm/kernel/armksyms.c

   1 /*
   2  *  linux/arch/arm/kernel/armksyms.c
   3  *
   4  *  Copyright (C) 2000 Russell King
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10 #include <linux/config.h>
  11 #include <linux/module.h>
  12 #include <linux/user.h>
  13 #include <linux/string.h>
  14 #include <linux/fs.h>
  15 #include <linux/mm.h>
  16 #include <linux/mman.h>
  17 #include <linux/pci.h>
  18 #include <linux/delay.h>
  19 #include <linux/in6.h>
  20 #include <linux/interrupt.h>
  21 #include <linux/pm.h>
  22 #include <linux/vt_kern.h>
  23
  24 #include <asm/byteorder.h>
  25 #include <asm/elf.h>
  26 #include <asm/io.h>
  27 #include <asm/irq.h>
  28 #include <asm/pgalloc.h>
  29 #include <asm/proc-fns.h>
  30 #include <asm/processor.h>
  31 #include <asm/semaphore.h>
  32 #include <asm/system.h>
  33 #include <asm/uaccess.h>
  34 #include <asm/checksum.h>
  35 #include <asm/mach-types.h>
  36
  37 extern void dump_thread(struct pt_regs *, struct user *);
  38 extern int dump_fpu(struct pt_regs *, struct user_fp_struct *);
  39 extern void inswb(unsigned int port, void *to, int len);
  40 extern void outswb(unsigned int port, const void *to, int len);
  41
  42 extern void __bad_xchg(volatile void *ptr, int size);
  43
  44 /*
  45  * syscalls
  46  */
  47 extern int sys_write(int, const char *, int);
  48 extern int sys_read(int, char *, int);
  49 extern int sys_lseek(int, off_t, int);
  50 extern int sys_exit(int);
  51
  52 /*
  53  * libgcc functions - functions that are used internally by the
  54  * compiler...  (prototypes are not correct though, but that
  55  * doesn't really matter since they're not versioned).
  56  */
  57 extern void __ashldi3(void);
  58 extern void __ashrdi3(void);
  59 extern void __divsi3(void);
  60 extern void __lshrdi3(void);
  61 extern void __modsi3(void);
  62 extern void __muldi3(void);
  63 extern void __ucmpdi2(void);
  64 extern void __udivdi3(void);
  65 extern void __umoddi3(void);
  66 extern void __udivmoddi4(void);
  67 extern void __udivsi3(void);
  68 extern void __umodsi3(void);
  69 extern void abort(void);
  70
  71 extern void ret_from_exception(void);
  72 extern void fpundefinstr(void);
  73 extern void fp_enter(void);
  74
  75 /*
  76  * This has a special calling convention; it doesn't
  77  * modify any of the usual registers, except for LR.
  78  */
  79 extern void __do_softirq(void);
  80
  81 #define EXPORT_SYMBOL_ALIAS(sym,orig)           \
  82  const char __kstrtab_##sym[]                   \
  83   __attribute__((section(".kstrtab"))) =        \
  84     __MODULE_STRING(sym);                       \
  85  const struct module_symbol __ksymtab_##sym     \
  86   __attribute__((section("__ksymtab"))) =       \
  87     { (unsigned long)&orig, __kstrtab_##sym };
  88
  89 /*
  90  * floating point math emulator support.
  91  * These symbols will never change their calling convention...
  92  */
  93 EXPORT_SYMBOL_ALIAS(kern_fp_enter,fp_enter);
  94 EXPORT_SYMBOL_ALIAS(fp_printk,printk);
  95 EXPORT_SYMBOL_ALIAS(fp_send_sig,send_sig);
  96
  97 #ifdef CONFIG_CPU_26
  98 EXPORT_SYMBOL(fpundefinstr);
  99 EXPORT_SYMBOL(ret_from_exception);
 100 #endif
 101
 102 #ifdef CONFIG_VT
 103 EXPORT_SYMBOL(kd_mksound);
 104 #endif
 105
 106 EXPORT_SYMBOL_NOVERS(__do_softirq);
 107
 108         /* platform dependent support */
 109 EXPORT_SYMBOL(dump_thread);
 110 EXPORT_SYMBOL(dump_fpu);
 111 EXPORT_SYMBOL(__udelay);
 112 EXPORT_SYMBOL(__ndelay);
 113 EXPORT_SYMBOL(__const_delay);
 114 #ifdef CONFIG_CPU_32
 115 EXPORT_SYMBOL(__ioremap);
 116 EXPORT_SYMBOL(__iounmap);
 117 #endif
 118 EXPORT_SYMBOL(kernel_thread);
 119 EXPORT_SYMBOL(system_rev);
 120 EXPORT_SYMBOL(system_serial_low);
 121 EXPORT_SYMBOL(system_serial_high);
 122 #ifdef CONFIG_DEBUG_BUGVERBOSE
 123 EXPORT_SYMBOL(__bug);
 124 #endif
 125 EXPORT_SYMBOL(__bad_xchg);
 126 EXPORT_SYMBOL(__readwrite_bug);
 127 EXPORT_SYMBOL(enable_irq);
 128 EXPORT_SYMBOL(disable_irq);
 129 EXPORT_SYMBOL(pm_idle);
 130 EXPORT_SYMBOL(pm_power_off);
 131
 132         /* processor dependencies */
 133 EXPORT_SYMBOL(__machine_arch_type);
 134
 135         /* networking */
 136 EXPORT_SYMBOL(csum_partial_copy_nocheck);
 137 EXPORT_SYMBOL(__csum_ipv6_magic);
 138
 139         /* io */
 140 #ifndef __raw_readsb
 141 EXPORT_SYMBOL_NOVERS(__raw_readsb);
 142 #endif
 143 #ifndef __raw_readsw
 144 EXPORT_SYMBOL_NOVERS(__raw_readsw);
 145 #endif
 146 #ifndef __raw_readsl
 147 EXPORT_SYMBOL_NOVERS(__raw_readsl);
 148 #endif
 149 #ifndef __raw_writesb
 150 EXPORT_SYMBOL_NOVERS(__raw_writesb);
 151 #endif
 152 #ifndef __raw_writesw
 153 EXPORT_SYMBOL_NOVERS(__raw_writesw);
 154 #endif
 155 #ifndef __raw_writesl
 156 EXPORT_SYMBOL_NOVERS(__raw_writesl);
 157 #endif
 158
 159         /* address translation */
 160 #ifndef __virt_to_phys__is_a_macro
 161 EXPORT_SYMBOL(__virt_to_phys);
 162 #endif
 163 #ifndef __phys_to_virt__is_a_macro
 164 EXPORT_SYMBOL(__phys_to_virt);
 165 #endif
 166 #ifndef __virt_to_bus__is_a_macro
 167 EXPORT_SYMBOL(__virt_to_bus);
 168 #endif
 169 #ifndef __bus_to_virt__is_a_macro
 170 EXPORT_SYMBOL(__bus_to_virt);
 171 #endif
 172
 173 #ifndef CONFIG_NO_PGT_CACHE
 174 EXPORT_SYMBOL(quicklists);
 175 #endif
 176
 177         /* string / mem functions */
 178 EXPORT_SYMBOL_NOVERS(strcpy);
 179 EXPORT_SYMBOL_NOVERS(strncpy);
 180 EXPORT_SYMBOL_NOVERS(strcat);
 181 EXPORT_SYMBOL_NOVERS(strncat);
 182 EXPORT_SYMBOL_NOVERS(strcmp);
 183 EXPORT_SYMBOL_NOVERS(strncmp);
 184 EXPORT_SYMBOL_NOVERS(strchr);
 185 EXPORT_SYMBOL_NOVERS(strlen);
 186 EXPORT_SYMBOL_NOVERS(strnlen);
 187 EXPORT_SYMBOL_NOVERS(strpbrk);
 188 EXPORT_SYMBOL_NOVERS(strtok);
 189 EXPORT_SYMBOL_NOVERS(strrchr);
 190 EXPORT_SYMBOL_NOVERS(strstr);
 191 EXPORT_SYMBOL_NOVERS(memset);
 192 EXPORT_SYMBOL_NOVERS(memcpy);
 193 EXPORT_SYMBOL_NOVERS(memmove);
 194 EXPORT_SYMBOL_NOVERS(memcmp);
 195 EXPORT_SYMBOL_NOVERS(memscan);
 196 EXPORT_SYMBOL_NOVERS(memchr);
 197 EXPORT_SYMBOL_NOVERS(__memzero);
 198
 199         /* user mem (segment) */
 200 #if defined(CONFIG_CPU_32)
 201 EXPORT_SYMBOL(__arch_copy_from_user);
 202 EXPORT_SYMBOL(__arch_copy_to_user);
 203 EXPORT_SYMBOL(__arch_clear_user);
 204 EXPORT_SYMBOL(__arch_strnlen_user);
 205
 206         /* consistent area handling */
 207 EXPORT_SYMBOL(pci_alloc_consistent);
 208 EXPORT_SYMBOL(consistent_alloc);
 209 EXPORT_SYMBOL(consistent_free);
 210 EXPORT_SYMBOL(consistent_sync);
 211
 212 #elif defined(CONFIG_CPU_26)
 213 EXPORT_SYMBOL(uaccess_kernel);
 214 EXPORT_SYMBOL(uaccess_user);
 215 #endif
 216
 217 EXPORT_SYMBOL_NOVERS(__get_user_1);
 218 EXPORT_SYMBOL_NOVERS(__get_user_2);
 219 EXPORT_SYMBOL_NOVERS(__get_user_4);
 220 EXPORT_SYMBOL_NOVERS(__get_user_8);
 221
 222 EXPORT_SYMBOL_NOVERS(__put_user_1);
 223 EXPORT_SYMBOL_NOVERS(__put_user_2);
 224 EXPORT_SYMBOL_NOVERS(__put_user_4);
 225 EXPORT_SYMBOL_NOVERS(__put_user_8);
 226
 227         /* gcc lib functions */
 228 EXPORT_SYMBOL_NOVERS(__ashldi3);
 229 EXPORT_SYMBOL_NOVERS(__ashrdi3);
 230 EXPORT_SYMBOL_NOVERS(__divsi3);
 231 EXPORT_SYMBOL_NOVERS(__lshrdi3);
 232 EXPORT_SYMBOL_NOVERS(__modsi3);
 233 EXPORT_SYMBOL_NOVERS(__muldi3);
 234 EXPORT_SYMBOL_NOVERS(__ucmpdi2);
 235 EXPORT_SYMBOL_NOVERS(__udivdi3);
 236 EXPORT_SYMBOL_NOVERS(__umoddi3);
 237 EXPORT_SYMBOL_NOVERS(__udivmoddi4);
 238 EXPORT_SYMBOL_NOVERS(__udivsi3);
 239 EXPORT_SYMBOL_NOVERS(__umodsi3);
 240 EXPORT_SYMBOL_NOVERS(abort);
 241
 242         /* bitops */
 243 EXPORT_SYMBOL(set_bit);
 244 EXPORT_SYMBOL(test_and_set_bit);
 245 EXPORT_SYMBOL(clear_bit);
 246 EXPORT_SYMBOL(test_and_clear_bit);
 247 EXPORT_SYMBOL(change_bit);
 248 EXPORT_SYMBOL(test_and_change_bit);
 249 EXPORT_SYMBOL(find_first_zero_bit);
 250 EXPORT_SYMBOL(find_next_zero_bit);
 251
 252         /* elf */
 253 EXPORT_SYMBOL(elf_platform);
 254 EXPORT_SYMBOL(elf_hwcap);
 255
 256         /* syscalls */
 257 EXPORT_SYMBOL(sys_write);
 258 EXPORT_SYMBOL(sys_read);
 259 EXPORT_SYMBOL(sys_lseek);
 260 EXPORT_SYMBOL(sys_open);
 261 EXPORT_SYMBOL(sys_exit);
 262 EXPORT_SYMBOL(sys_wait4);
 263
 264         /* semaphores */
 265 EXPORT_SYMBOL_NOVERS(__down_failed);
 266 EXPORT_SYMBOL_NOVERS(__down_interruptible_failed);
 267 EXPORT_SYMBOL_NOVERS(__down_trylock_failed);
 268 EXPORT_SYMBOL_NOVERS(__up_wakeup);
 269
 270 EXPORT_SYMBOL(get_wchan);