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
  22 int main(void)
  23 {
  24         /* offsets into the task struct */
  25         DEFINE(TASK_STATE, offsetof(struct task_struct, state));
  26         DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
  27         DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
  28         DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
  29         DEFINE(TASK_INFO, offsetof(struct task_struct, thread.info));
  30         DEFINE(TASK_MM, offsetof(struct task_struct, mm));
  31         DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
  32 #ifdef CONFIG_MMU
  33         DEFINE(TASK_TINFO, offsetof(struct task_struct, thread.info));
  34 #endif
  35
  36         /* offsets into the thread struct */
  37         DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
  38         DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
  39         DEFINE(THREAD_SR, offsetof(struct thread_struct, sr));
  40         DEFINE(THREAD_FS, offsetof(struct thread_struct, fs));
  41         DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp));
  42         DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
  43         DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp));
  44         DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl));
  45         DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate));
  46
  47         /* offsets into the thread_info struct */
  48         DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count));
  49         DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags));
  50
  51         /* offsets into the pt_regs */
  52         DEFINE(PT_OFF_D0, offsetof(struct pt_regs, d0));
  53         DEFINE(PT_OFF_ORIG_D0, offsetof(struct pt_regs, orig_d0));
  54         DEFINE(PT_OFF_D1, offsetof(struct pt_regs, d1));
  55         DEFINE(PT_OFF_D2, offsetof(struct pt_regs, d2));
  56         DEFINE(PT_OFF_D3, offsetof(struct pt_regs, d3));
  57         DEFINE(PT_OFF_D4, offsetof(struct pt_regs, d4));
  58         DEFINE(PT_OFF_D5, offsetof(struct pt_regs, d5));
  59         DEFINE(PT_OFF_A0, offsetof(struct pt_regs, a0));
  60         DEFINE(PT_OFF_A1, offsetof(struct pt_regs, a1));
  61         DEFINE(PT_OFF_A2, offsetof(struct pt_regs, a2));
  62         DEFINE(PT_OFF_PC, offsetof(struct pt_regs, pc));
  63         DEFINE(PT_OFF_SR, offsetof(struct pt_regs, sr));
  64         /* bitfields are a bit difficult */
  65         DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4);
  66
  67         /* offsets into the irq_handler struct */
  68         DEFINE(IRQ_HANDLER, offsetof(struct irq_node, handler));
  69         DEFINE(IRQ_DEVID, offsetof(struct irq_node, dev_id));
  70         DEFINE(IRQ_NEXT, offsetof(struct irq_node, next));
  71
  72         /* offsets into the kernel_stat struct */
  73         DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
  74
  75         /* offsets into the irq_cpustat_t struct */
  76         DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
  77
  78         /* offsets into the bi_record struct */
  79         DEFINE(BIR_TAG, offsetof(struct bi_record, tag));
  80         DEFINE(BIR_SIZE, offsetof(struct bi_record, size));
  81         DEFINE(BIR_DATA, offsetof(struct bi_record, data));
  82
  83         /* offsets into font_desc (drivers/video/console/font.h) */
  84         DEFINE(FONT_DESC_IDX, offsetof(struct font_desc, idx));
  85         DEFINE(FONT_DESC_NAME, offsetof(struct font_desc, name));
  86         DEFINE(FONT_DESC_WIDTH, offsetof(struct font_desc, width));
  87         DEFINE(FONT_DESC_HEIGHT, offsetof(struct font_desc, height));
  88         DEFINE(FONT_DESC_DATA, offsetof(struct font_desc, data));
  89         DEFINE(FONT_DESC_PREF, offsetof(struct font_desc, pref));
  90
  91         /* signal defines */
  92         DEFINE(LSIGSEGV, SIGSEGV);
  93         DEFINE(LSEGV_MAPERR, SEGV_MAPERR);
  94         DEFINE(LSIGTRAP, SIGTRAP);
  95         DEFINE(LTRAP_TRACE, TRAP_TRACE);
  96
  97         /* offsets into the custom struct */
  98         DEFINE(CUSTOMBASE, &amiga_custom);
  99         DEFINE(C_INTENAR, offsetof(struct CUSTOM, intenar));
 100         DEFINE(C_INTREQR, offsetof(struct CUSTOM, intreqr));
 101         DEFINE(C_INTENA, offsetof(struct CUSTOM, intena));
 102         DEFINE(C_INTREQ, offsetof(struct CUSTOM, intreq));
 103         DEFINE(C_SERDATR, offsetof(struct CUSTOM, serdatr));
 104         DEFINE(C_SERDAT, offsetof(struct CUSTOM, serdat));
 105         DEFINE(C_SERPER, offsetof(struct CUSTOM, serper));
 106         DEFINE(CIAABASE, &ciaa);
 107         DEFINE(CIABBASE, &ciab);
 108         DEFINE(C_PRA, offsetof(struct CIA, pra));
 109         DEFINE(ZTWOBASE, zTwoBase);
 110
 111         return 0;
 112 }