LXR linux/arch/sparc/kernel/asm-offsets.c

   1/*
   2 * This program is used to generate definitions needed by
   3 * assembly language modules.
   4 *
   5 * We use the technique used in the OSF Mach kernel code:
   6 * generate asm statements containing #defines,
   7 * compile this file to assembler, and then extract the
   8 * #defines from the assembly-language output.
   9 *
  10 * On sparc, thread_info data is static and TI_XXX offsets are computed by hand.
  11 */
  12
  13#include <linux/sched.h>
  14// #include <linux/mm.h>
  15#include <linux/kbuild.h>
  16
  17#include <asm/hibernate.h>
  18
  19#ifdef CONFIG_SPARC32
  20int sparc32_foo(void)
  21{
  22        DEFINE(AOFF_thread_fork_kpsr,
  23                        offsetof(struct thread_struct, fork_kpsr));
  24        return 0;
  25}
  26#else
  27int sparc64_foo(void)
  28{
  29#ifdef CONFIG_HIBERNATION
  30        BLANK();
  31        OFFSET(SC_REG_FP, saved_context, fp);
  32        OFFSET(SC_REG_CWP, saved_context, cwp);
  33        OFFSET(SC_REG_WSTATE, saved_context, wstate);
  34
  35        OFFSET(SC_REG_TICK, saved_context, tick);
  36        OFFSET(SC_REG_PSTATE, saved_context, pstate);
  37
  38        OFFSET(SC_REG_G4, saved_context, g4);
  39        OFFSET(SC_REG_G5, saved_context, g5);
  40        OFFSET(SC_REG_G6, saved_context, g6);
  41#endif
  42        return 0;
  43}
  44#endif
  45
  46int foo(void)
  47{
  48        BLANK();
  49        DEFINE(AOFF_task_thread, offsetof(struct task_struct, thread));
  50        BLANK();
  51        DEFINE(AOFF_mm_context, offsetof(struct mm_struct, context));
  52        BLANK();
  53        DEFINE(VMA_VM_MM,    offsetof(struct vm_area_struct, vm_mm));
  54
  55        /* DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); */
  56        return 0;
  57}
  58
  59