LXR linux/arch/m68k/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
  11#define ASM_OFFSETS_C
  12
  13#include <linux/stddef.h>
  14#include <linux/sched.h>
  15#include <linux/kernel_stat.h>
  16#include <linux/kbuild.h>
  17#include <asm/bootinfo.h>
  18#include <asm/irq.h>
  19#include <asm/amigahw.h>
  20#include <linux/font.h>
  21
  22int main(void)
  23{
  24        /* offsets into the task struct */
  25        DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
  26        DEFINE(TASK_MM, offsetof(struct task_struct, mm));
  27        DEFINE(TASK_STACK, offsetof(struct task_struct, stack));
  28
  29        /* offsets into the thread struct */
  30        DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
  31        DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
  32        DEFINE(THREAD_SR, offsetof(struct thread_struct, sr));
  33        DEFINE(THREAD_FS, offsetof(struct thread_struct, fs));
  34        DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp));
  35        DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
  36        DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp));
  37        DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl));
  38        DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate));
  39
  40        /* offsets into the thread_info struct */
  41        DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count));
  42        DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags));
  43
  44        /* offsets into the pt_regs */
  45        DEFINE(PT_OFF_D0, offsetof(struct pt_regs, d0));
  46        DEFINE(PT_OFF_ORIG_D0, offsetof(struct pt_regs, orig_d0));
  47        DEFINE(PT_OFF_D1, offsetof(struct pt_regs, d1));
  48        DEFINE(PT_OFF_D2, offsetof(struct pt_regs, d2));
  49        DEFINE(PT_OFF_D3, offsetof(struct pt_regs, d3));
  50        DEFINE(PT_OFF_D4, offsetof(struct pt_regs, d4));
  51        DEFINE(PT_OFF_D5, offsetof(struct pt_regs, d5));
  52        DEFINE(PT_OFF_A0, offsetof(struct pt_regs, a0));
  53        DEFINE(PT_OFF_A1, offsetof(struct pt_regs, a1));
  54        DEFINE(PT_OFF_A2, offsetof(struct pt_regs, a2));
  55        DEFINE(PT_OFF_PC, offsetof(struct pt_regs, pc));
  56        DEFINE(PT_OFF_SR, offsetof(struct pt_regs, sr));
  57
  58        /* bitfields are a bit difficult */
  59#ifdef CONFIG_COLDFIRE
  60        DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, sr) - 2);
  61#else
  62        DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4);
  63#endif
  64
  65        /* offsets into the irq_cpustat_t struct */
  66        DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
  67
  68        /* signal defines */
  69        DEFINE(LSIGSEGV, SIGSEGV);
  70        DEFINE(LSEGV_MAPERR, SEGV_MAPERR);
  71        DEFINE(LSIGTRAP, SIGTRAP);
  72        DEFINE(LTRAP_TRACE, TRAP_TRACE);
  73
  74#ifdef CONFIG_MMU
  75        /* offsets into the bi_record struct */
  76        DEFINE(BIR_TAG, offsetof(struct bi_record, tag));
  77        DEFINE(BIR_SIZE, offsetof(struct bi_record, size));
  78        DEFINE(BIR_DATA, offsetof(struct bi_record, data));
  79
  80        /* offsets into the font_desc struct */
  81        DEFINE(FONT_DESC_IDX, offsetof(struct font_desc, idx));
  82        DEFINE(FONT_DESC_NAME, offsetof(struct font_desc, name));
  83        DEFINE(FONT_DESC_WIDTH, offsetof(struct font_desc, width));
  84        DEFINE(FONT_DESC_HEIGHT, offsetof(struct font_desc, height));
  85        DEFINE(FONT_DESC_DATA, offsetof(struct font_desc, data));
  86        DEFINE(FONT_DESC_PREF, offsetof(struct font_desc, pref));
  87
  88        /* offsets into the custom struct */
  89        DEFINE(CUSTOMBASE, &amiga_custom);
  90        DEFINE(C_INTENAR, offsetof(struct CUSTOM, intenar));
  91        DEFINE(C_INTREQR, offsetof(struct CUSTOM, intreqr));
  92        DEFINE(C_INTENA, offsetof(struct CUSTOM, intena));
  93        DEFINE(C_INTREQ, offsetof(struct CUSTOM, intreq));
  94        DEFINE(C_SERDATR, offsetof(struct CUSTOM, serdatr));
  95        DEFINE(C_SERDAT, offsetof(struct CUSTOM, serdat));
  96        DEFINE(C_SERPER, offsetof(struct CUSTOM, serper));
  97        DEFINE(CIAABASE, &ciaa);
  98        DEFINE(CIABBASE, &ciab);
  99        DEFINE(C_PRA, offsetof(struct CIA, pra));
 100        DEFINE(ZTWOBASE, zTwoBase);
 101
 102        /* enum m68k_fixup_type */
 103        DEFINE(M68K_FIXUP_MEMOFFSET, m68k_fixup_memoffset);
 104#endif
 105
 106        return 0;
 107}
 108