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 font_desc (drivers/video/console/font.h) */ 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 #endif 102 103 return 0; 104 } 105