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TOMOYO Linux Cross Reference
Linux/arch/m68k/kernel/asm-offsets.c

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  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_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 

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