arch/cris/kernel/asm-offsets.c

   1 #include <linux/sched.h>
   2 #include <asm/thread_info.h>
   3 #include <linux/autoconf.h>
   4
   5 /*
   6  * Generate definitions needed by assembly language modules.
   7  * This code generates raw asm output which is post-processed to extract
   8  * and format the required data.
   9  */
  10
  11 #define DEFINE(sym, val) \
  12         asm volatile("\n->" #sym " %0 " #val : : "i" (val))
  13
  14 #define BLANK() asm volatile("\n->" : : )
  15
  16 #if !defined(CONFIG_ETRAX_ARCH_V10) && !defined(CONFIG_ETRAX_ARCH_V32)
  17 #error One of ARCH v10 and ARCH v32 must be true!
  18 #endif
  19
  20 int main(void)
  21 {
  22 #define ENTRY(entry) DEFINE(PT_ ## entry, offsetof(struct pt_regs, entry))
  23         ENTRY(orig_r10);
  24         ENTRY(r13);
  25         ENTRY(r12);
  26         ENTRY(r11);
  27         ENTRY(r10);
  28         ENTRY(r9);
  29 #ifdef CONFIG_ETRAX_ARCH_V32
  30         ENTRY(acr);
  31         ENTRY(srs);
  32 #endif
  33         ENTRY(mof);
  34 #ifdef CONFIG_ETRAX_ARCH_V10
  35         ENTRY(dccr);
  36 #else
  37         ENTRY(ccs);
  38 #endif
  39         ENTRY(srp);
  40         BLANK();
  41 #undef ENTRY
  42 #define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry))
  43         ENTRY(task);
  44         ENTRY(flags);
  45         ENTRY(preempt_count);
  46         BLANK();
  47 #undef ENTRY
  48 #define ENTRY(entry) DEFINE(THREAD_ ## entry, offsetof(struct thread_struct, entry))
  49         ENTRY(ksp);
  50         ENTRY(usp);
  51 #ifdef CONFIG_ETRAX_ARCH_V10
  52         ENTRY(dccr);
  53 #else
  54         ENTRY(ccs);
  55 #endif
  56         BLANK();
  57 #undef ENTRY
  58 #define ENTRY(entry) DEFINE(TASK_ ## entry, offsetof(struct task_struct, entry))
  59         ENTRY(pid);
  60         BLANK();
  61         DEFINE(LCLONE_VM, CLONE_VM);
  62         DEFINE(LCLONE_UNTRACED, CLONE_UNTRACED);
  63         return 0;
  64 }