arch/cris/kernel/asm-offsets.c

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