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/serial.h>
  29 #ifdef CONFIG_INET
  30 #include <linux/netdevice.h>
  31 #endif
  32 
  33 #include <asm/irq.h>
  34   
  35 extern void *sys_call_table;
  36 
  37 /* must match struct internal_symbol !!! */
  38 #define X(name) { (void *) &name, "_" #name }
  39 
  40 #ifdef CONFIG_FTAPE
  41 extern char * ftape_big_buffer;
  42 extern void (*do_floppy)(void);
  43 #endif
  44 
  45 extern int request_dma(unsigned int dmanr, char * deviceID);
  46 extern void free_dma(unsigned int dmanr);
  47 
  48 extern int do_execve(char * filename, char ** argv, char ** envp,
  49                 struct pt_regs * regs);
  50 extern int do_signal(unsigned long oldmask, struct pt_regs * regs);
  51 
  52 extern void (* iABI_hook)(struct pt_regs * regs);
  53 
  54 struct symbol_table symbol_table = { 0, 0, 0, /* for stacked module support */
  55         {
  56         /* stackable module support */
  57         X(rename_module_symbol),
  58 
  59         /* system info variables */
  60         X(EISA_bus),
  61         X(wp_works_ok),
  62 
  63         /* process memory management */
  64         X(verify_area),
  65         X(do_mmap),
  66         X(do_munmap),
  67         X(zeromap_page_range),
  68         X(unmap_page_range),
  69         X(insert_vm_struct),
  70         X(merge_segments),
  71 
  72         /* internal kernel memory management */
  73         X(__get_free_pages),
  74         X(free_pages),
  75         X(kmalloc),
  76         X(kfree_s),
  77         X(vmalloc),
  78         X(vfree),
  79 
  80         /* filesystem internal functions */
  81         X(getname),
  82         X(putname),
  83         X(__iget),
  84         X(iput),
  85         X(namei),
  86         X(lnamei),
  87         X(open_namei),
  88 
  89         /* device registration */
  90         X(register_chrdev),
  91         X(unregister_chrdev),
  92         X(register_blkdev),
  93         X(unregister_blkdev),
  94 
  95         /* block device driver support */
  96         X(block_read),
  97         X(block_write),
  98         X(block_fsync),
  99         X(wait_for_request),
 100         X(blksize_size),
 101         X(blk_dev),
 102         
 103         /* Module creation of serial units */
 104         X(register_serial),
 105         X(unregister_serial),
 106 
 107         /* filesystem registration */
 108         X(register_filesystem),
 109         X(unregister_filesystem),
 110 
 111         /* executable format registration */
 112         X(register_binfmt),
 113         X(unregister_binfmt),
 114 
 115         /* execution environment registration */
 116         X(lookup_exec_domain),
 117         X(register_exec_domain),
 118         X(unregister_exec_domain),
 119 
 120         /* interrupt handling */
 121         X(request_irq),
 122         X(free_irq),
 123         X(enable_irq),
 124         X(disable_irq),
 125         X(bh_active),
 126         X(bh_mask),
 127         X(add_timer),
 128         X(del_timer),
 129 
 130         /* dma handling */
 131         X(request_dma),
 132         X(free_dma),
 133 
 134         /* process management */
 135         X(wake_up),
 136         X(wake_up_interruptible),
 137         X(sleep_on),
 138         X(interruptible_sleep_on),
 139         X(schedule),
 140         X(current),
 141         X(jiffies),
 142         X(xtime),
 143 
 144         /* misc */
 145         X(panic),
 146         X(printk),
 147         X(sprintf),
 148         X(vsprintf),
 149         X(system_utsname),
 150         X(sys_call_table),
 151 
 152         /* Signal interfaces */
 153         X(do_signal),
 154         X(send_sig),
 155 
 156         /* Program loader interfaces */
 157         X(change_ldt),
 158         X(copy_strings),
 159         X(create_tables),
 160         X(do_execve),
 161         X(flush_old_exec),
 162         X(open_inode),
 163         X(read_exec),
 164 
 165         /* Miscellaneous access points */
 166         X(si_meminfo),
 167 
 168 #ifdef CONFIG_FTAPE
 169         /* The next labels are needed for ftape driver.  */
 170         X(ftape_big_buffer),
 171         X(do_floppy),
 172 #endif
 173 #ifdef CONFIG_INET
 174         /* support for loadable net drivers */
 175         X(register_netdev),
 176         X(unregister_netdev),
 177         X(ether_setup),
 178         X(alloc_skb),
 179         X(kfree_skb),
 180         X(dev_kfree_skb),
 181         X(snarf_region),
 182         X(netif_rx),
 183         X(dev_rint),
 184         X(dev_tint),
 185         X(irq2dev_map),
 186 #endif
 187 
 188         /********************************************************
 189          * Do not add anything below this line,
 190          * as the stacked modules depend on this!
 191          */
 192         { NULL, NULL } /* mark end of table */
 193         },
 194         { { NULL, NULL } /* no module refs */ }
 195 };
 196 
 197 /*
 198 int symbol_table_size = sizeof (symbol_table) / sizeof (symbol_table[0]);
 199 */

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