root/kernel/ksyms.c

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   1 /* 
   2  * Herein lies all the functions/variables that are "exported" for linkage
   3  * with dynamically loaded kernel modules.
   4  *                      Jon.
   5  *
   6  * Stacked module support and unified symbol table added by
   7  * Bjorn Ekwall <bj0rn@blox.se>
   8  */
   9 
  10 #include <linux/autoconf.h>
  11 #include <linux/kernel.h>
  12 #include <linux/fs.h>
  13 #include <linux/blkdev.h>
  14 #include <linux/sched.h>
  15 #include <linux/mm.h>
  16 #include <linux/malloc.h>
  17 #include <linux/ptrace.h>
  18 #include <linux/sys.h>
  19 #include <linux/utsname.h>
  20 #include <linux/interrupt.h>
  21 #include <linux/ioport.h>
  22 #include <linux/timer.h>
  23 #include <linux/binfmts.h>
  24 #include <linux/personality.h>
  25 #include <linux/module.h>
  26 #include <linux/termios.h>
  27 #include <linux/tqueue.h>
  28 #include <linux/tty.h>
  29 #include <linux/serial.h>
  30 #include <linux/locks.h>
  31 #include <linux/string.h>
  32 #ifdef CONFIG_INET
  33 #include <linux/net.h>
  34 #include <linux/netdevice.h>
  35 #endif
  36 
  37 #include <asm/irq.h>
  38   
  39 extern void *sys_call_table;
  40 
  41 /* must match struct internal_symbol !!! */
  42 #define X(name) { (void *) &name, "_" #name }
  43 
  44 #ifdef CONFIG_FTAPE
  45 extern char * ftape_big_buffer;
  46 extern void (*do_floppy)(void);
  47 #endif
  48 
  49 extern int sys_tz;
  50 extern int request_dma(unsigned int dmanr, char * deviceID);
  51 extern void free_dma(unsigned int dmanr);
  52 
  53 extern int do_execve(char * filename, char ** argv, char ** envp,
  54                 struct pt_regs * regs);
  55 extern int do_signal(unsigned long oldmask, struct pt_regs * regs);
  56 
  57 extern void (* iABI_hook)(struct pt_regs * regs);
  58 
  59 struct symbol_table symbol_table = { 0, 0, 0, /* for stacked module support */
  60         {
  61         /* stackable module support */
  62         X(rename_module_symbol),
  63 
  64         /* system info variables */
  65         X(EISA_bus),
  66         X(wp_works_ok),
  67 
  68         /* process memory management */
  69         X(verify_area),
  70         X(do_mmap),
  71         X(do_munmap),
  72         X(zeromap_page_range),
  73         X(unmap_page_range),
  74         X(insert_vm_struct),
  75         X(merge_segments),
  76 
  77         /* internal kernel memory management */
  78         X(__get_free_pages),
  79         X(free_pages),
  80         X(kmalloc),
  81         X(kfree_s),
  82         X(vmalloc),
  83         X(vfree),
  84 
  85         /* filesystem internal functions */
  86         X(getname),
  87         X(putname),
  88         X(__iget),
  89         X(iput),
  90         X(namei),
  91         X(lnamei),
  92         X(open_namei),
  93         X(inode_setattr),
  94         X(inode_change_ok),
  95         X(generic_mmap),
  96         X(set_blocksize),
  97         X(getblk),
  98         X(bread),
  99         X(brelse),
 100         X(ll_rw_block),
 101         X(__wait_on_buffer),
 102 
 103         /* device registration */
 104         X(register_chrdev),
 105         X(unregister_chrdev),
 106         X(register_blkdev),
 107         X(unregister_blkdev),
 108         X(tty_register_driver),
 109         X(tty_unregister_driver),
 110         X(tty_std_termios),
 111 
 112         /* block device driver support */
 113         X(block_read),
 114         X(block_write),
 115         X(block_fsync),
 116         X(wait_for_request),
 117         X(blksize_size),
 118         X(blk_dev),
 119         
 120         /* Module creation of serial units */
 121         X(register_serial),
 122         X(unregister_serial),
 123 
 124         /* filesystem registration */
 125         X(register_filesystem),
 126         X(unregister_filesystem),
 127 
 128         /* executable format registration */
 129         X(register_binfmt),
 130         X(unregister_binfmt),
 131 
 132         /* execution environment registration */
 133         X(lookup_exec_domain),
 134         X(register_exec_domain),
 135         X(unregister_exec_domain),
 136 
 137         /* interrupt handling */
 138         X(request_irq),
 139         X(free_irq),
 140         X(enable_irq),
 141         X(disable_irq),
 142         X(bh_active),
 143         X(bh_mask),
 144         X(add_timer),
 145         X(del_timer),
 146 
 147         /* dma handling */
 148         X(request_dma),
 149         X(free_dma),
 150 
 151         /* process management */
 152         X(wake_up),
 153         X(wake_up_interruptible),
 154         X(sleep_on),
 155         X(interruptible_sleep_on),
 156         X(schedule),
 157         X(current),
 158         X(jiffies),
 159         X(xtime),
 160 
 161         /* misc */
 162         X(panic),
 163         X(printk),
 164         X(sprintf),
 165         X(vsprintf),
 166         X(simple_strtoul),
 167         X(system_utsname),
 168         X(sys_call_table),
 169 
 170         /* Signal interfaces */
 171         X(do_signal),
 172         X(send_sig),
 173 
 174         /* Program loader interfaces */
 175         X(change_ldt),
 176         X(copy_strings),
 177         X(create_tables),
 178         X(do_execve),
 179         X(flush_old_exec),
 180         X(open_inode),
 181         X(read_exec),
 182 
 183         /* Miscellaneous access points */
 184         X(si_meminfo),
 185 
 186         /* socket layer registration */
 187         X(sock_register),
 188         X(sock_unregister),
 189 
 190 #ifdef CONFIG_FTAPE
 191         /* The next labels are needed for ftape driver.  */
 192         X(ftape_big_buffer),
 193         X(do_floppy),
 194 #endif
 195 #ifdef CONFIG_INET
 196         /* support for loadable net drivers */
 197         X(register_netdev),
 198         X(unregister_netdev),
 199         X(ether_setup),
 200         X(alloc_skb),
 201         X(kfree_skb),
 202         X(dev_kfree_skb),
 203         X(snarf_region),
 204         X(netif_rx),
 205         X(dev_rint),
 206         X(dev_tint),
 207         X(irq2dev_map),
 208         X(dev_add_pack),
 209         X(dev_remove_pack),
 210         X(dev_get),
 211         X(dev_ioctl),
 212         X(dev_queue_xmit),
 213         X(dev_base),
 214 #endif
 215         /* Added to make file system as module */
 216         X(set_writetime),
 217         X(sys_tz),
 218         X(__wait_on_super),
 219         X(file_fsync),
 220         X(clear_inode),
 221         X(refile_buffer),
 222         X(___strtok),
 223         X(init_fifo),
 224         X(super_blocks),
 225         X(chrdev_inode_operations),
 226         X(blkdev_inode_operations),
 227         X(read_ahead),
 228         /********************************************************
 229          * Do not add anything below this line,
 230          * as the stacked modules depend on this!
 231          */
 232         { NULL, NULL } /* mark end of table */
 233         },
 234         { { NULL, NULL } /* no module refs */ }
 235 };
 236 
 237 /*
 238 int symbol_table_size = sizeof (symbol_table) / sizeof (symbol_table[0]);
 239 */

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