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 #include <linux/stddef.h> 12 #include <linux/sched.h> 13 #include <linux/kernel_stat.h> 14 #include <asm/bootinfo.h> 15 #include <asm/irq.h> 16 #include <asm/amigahw.h> 17 #include <linux/font.h> 18 19 #define DEFINE(sym, val) \ 20 asm volatile("\n->" #sym " %0 " #val : : "i" (val)) 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_WORK, offsetof(struct task_struct, thread.work)); 29 DEFINE(TASK_NEEDRESCHED, offsetof(struct task_struct, thread.work.need_resched)); 30 DEFINE(TASK_SYSCALL_TRACE, offsetof(struct task_struct, thread.work.syscall_trace)); 31 DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, thread.work.sigpending)); 32 DEFINE(TASK_NOTIFY_RESUME, offsetof(struct task_struct, thread.work.notify_resume)); 33 DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); 34 DEFINE(TASK_MM, offsetof(struct task_struct, mm)); 35 DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); 36 37 /* offsets into the thread struct */ 38 DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp)); 39 DEFINE(THREAD_USP, offsetof(struct thread_struct, usp)); 40 DEFINE(THREAD_SR, offsetof(struct thread_struct, sr)); 41 DEFINE(THREAD_FS, offsetof(struct thread_struct, fs)); 42 DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp)); 43 DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0)); 44 DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp)); 45 DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl)); 46 DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate)); 47 48 /* offsets into the pt_regs */ 49 DEFINE(PT_D0, offsetof(struct pt_regs, d0)); 50 DEFINE(PT_ORIG_D0, offsetof(struct pt_regs, orig_d0)); 51 DEFINE(PT_D1, offsetof(struct pt_regs, d1)); 52 DEFINE(PT_D2, offsetof(struct pt_regs, d2)); 53 DEFINE(PT_D3, offsetof(struct pt_regs, d3)); 54 DEFINE(PT_D4, offsetof(struct pt_regs, d4)); 55 DEFINE(PT_D5, offsetof(struct pt_regs, d5)); 56 DEFINE(PT_A0, offsetof(struct pt_regs, a0)); 57 DEFINE(PT_A1, offsetof(struct pt_regs, a1)); 58 DEFINE(PT_A2, offsetof(struct pt_regs, a2)); 59 DEFINE(PT_PC, offsetof(struct pt_regs, pc)); 60 DEFINE(PT_SR, offsetof(struct pt_regs, sr)); 61 /* bitfields are a bit difficult */ 62 DEFINE(PT_VECTOR, offsetof(struct pt_regs, pc) + 4); 63 64 /* offsets into the irq_handler struct */ 65 DEFINE(IRQ_HANDLER, offsetof(struct irq_node, handler)); 66 DEFINE(IRQ_DEVID, offsetof(struct irq_node, dev_id)); 67 DEFINE(IRQ_NEXT, offsetof(struct irq_node, next)); 68 69 /* offsets into the kernel_stat struct */ 70 DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs)); 71 72 /* offsets into the irq_cpustat_t struct */ 73 DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending)); 74 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 /* signal defines */ 89 DEFINE(SIGSEGV, SIGSEGV); 90 DEFINE(SEGV_MAPERR, SEGV_MAPERR); 91 DEFINE(SIGTRAP, SIGTRAP); 92 DEFINE(TRAP_TRACE, TRAP_TRACE); 93 94 /* offsets into the custom struct */ 95 DEFINE(CUSTOMBASE, &custom); 96 DEFINE(C_INTENAR, offsetof(struct CUSTOM, intenar)); 97 DEFINE(C_INTREQR, offsetof(struct CUSTOM, intreqr)); 98 DEFINE(C_INTENA, offsetof(struct CUSTOM, intena)); 99 DEFINE(C_INTREQ, offsetof(struct CUSTOM, intreq)); 100 DEFINE(C_SERDATR, offsetof(struct CUSTOM, serdatr)); 101 DEFINE(C_SERDAT, offsetof(struct CUSTOM, serdat)); 102 DEFINE(C_SERPER, offsetof(struct CUSTOM, serper)); 103 DEFINE(CIAABASE, &ciaa); 104 DEFINE(CIABBASE, &ciab); 105 DEFINE(C_PRA, offsetof(struct CIA, pra)); 106 DEFINE(ZTWOBASE, zTwoBase); 107 108 return 0; 109 } 110