1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * This program is used to generate definitions needed by 4 * assembly language modules. 5 * 6 * We use the technique used in the OSF Mach kernel code: 7 * generate asm statements containing #defines, 8 * compile this file to assembler, and then extract the 9 * #defines from the assembly-language output. 10 */ 11 12 #define ASM_OFFSETS_C 13 14 #include <linux/stddef.h> 15 #include <linux/sched.h> 16 #include <linux/kernel_stat.h> 17 #include <linux/kbuild.h> 18 #include <asm/bootinfo.h> 19 #include <asm/irq.h> 20 #include <asm/amigahw.h> 21 #include <linux/font.h> 22 23 int main(void) 24 { 25 /* offsets into the task struct */ 26 DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); 27 DEFINE(TASK_MM, offsetof(struct task_struct, mm)); 28 DEFINE(TASK_STACK, offsetof(struct task_struct, stack)); 29 30 /* offsets into the thread struct */ 31 DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp)); 32 DEFINE(THREAD_USP, offsetof(struct thread_struct, usp)); 33 DEFINE(THREAD_SR, offsetof(struct thread_struct, sr)); 34 DEFINE(THREAD_FS, offsetof(struct thread_struct, fs)); 35 DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp)); 36 DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0)); 37 DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp)); 38 DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl)); 39 DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate)); 40 41 /* offsets into the thread_info struct */ 42 DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count)); 43 DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags)); 44 45 /* offsets into the pt_regs */ 46 DEFINE(PT_OFF_D0, offsetof(struct pt_regs, d0)); 47 DEFINE(PT_OFF_ORIG_D0, offsetof(struct pt_regs, orig_d0)); 48 DEFINE(PT_OFF_D1, offsetof(struct pt_regs, d1)); 49 DEFINE(PT_OFF_D2, offsetof(struct pt_regs, d2)); 50 DEFINE(PT_OFF_D3, offsetof(struct pt_regs, d3)); 51 DEFINE(PT_OFF_D4, offsetof(struct pt_regs, d4)); 52 DEFINE(PT_OFF_D5, offsetof(struct pt_regs, d5)); 53 DEFINE(PT_OFF_A0, offsetof(struct pt_regs, a0)); 54 DEFINE(PT_OFF_A1, offsetof(struct pt_regs, a1)); 55 DEFINE(PT_OFF_A2, offsetof(struct pt_regs, a2)); 56 DEFINE(PT_OFF_PC, offsetof(struct pt_regs, pc)); 57 DEFINE(PT_OFF_SR, offsetof(struct pt_regs, sr)); 58 59 /* bitfields are a bit difficult */ 60 #ifdef CONFIG_COLDFIRE 61 DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, sr) - 2); 62 #else 63 DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4); 64 #endif 65 66 /* offsets into the irq_cpustat_t struct */ 67 DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending)); 68 69 /* signal defines */ 70 DEFINE(LSIGSEGV, SIGSEGV); 71 DEFINE(LSEGV_MAPERR, SEGV_MAPERR); 72 DEFINE(LSIGTRAP, SIGTRAP); 73 DEFINE(LTRAP_TRACE, TRAP_TRACE); 74 75 #ifdef CONFIG_MMU 76 /* offsets into the bi_record struct */ 77 DEFINE(BIR_TAG, offsetof(struct bi_record, tag)); 78 DEFINE(BIR_SIZE, offsetof(struct bi_record, size)); 79 DEFINE(BIR_DATA, offsetof(struct bi_record, data)); 80 81 /* offsets into the font_desc struct */ 82 DEFINE(FONT_DESC_IDX, offsetof(struct font_desc, idx)); 83 DEFINE(FONT_DESC_NAME, offsetof(struct font_desc, name)); 84 DEFINE(FONT_DESC_WIDTH, offsetof(struct font_desc, width)); 85 DEFINE(FONT_DESC_HEIGHT, offsetof(struct font_desc, height)); 86 DEFINE(FONT_DESC_DATA, offsetof(struct font_desc, data)); 87 DEFINE(FONT_DESC_PREF, offsetof(struct font_desc, pref)); 88 89 /* offsets into the custom struct */ 90 DEFINE(CUSTOMBASE, &amiga_custom); 91 DEFINE(C_INTENAR, offsetof(struct CUSTOM, intenar)); 92 DEFINE(C_INTREQR, offsetof(struct CUSTOM, intreqr)); 93 DEFINE(C_INTENA, offsetof(struct CUSTOM, intena)); 94 DEFINE(C_INTREQ, offsetof(struct CUSTOM, intreq)); 95 DEFINE(C_SERDATR, offsetof(struct CUSTOM, serdatr)); 96 DEFINE(C_SERDAT, offsetof(struct CUSTOM, serdat)); 97 DEFINE(C_SERPER, offsetof(struct CUSTOM, serper)); 98 DEFINE(CIAABASE, &ciaa); 99 DEFINE(CIABBASE, &ciab); 100 DEFINE(C_PRA, offsetof(struct CIA, pra)); 101 DEFINE(ZTWOBASE, zTwoBase); 102 103 /* enum m68k_fixup_type */ 104 DEFINE(M68K_FIXUP_MEMOFFSET, m68k_fixup_memoffset); 105 #endif 106 107 return 0; 108 } 109