1 // SPDX-License-Identifier: GPL-2.0 <<
2 /* 1 /*
3 * This program is used to generate definition 2 * This program is used to generate definitions needed by
4 * assembly language modules. 3 * assembly language modules.
5 * 4 *
6 * We use the technique used in the OSF Mach k 5 * We use the technique used in the OSF Mach kernel code:
7 * generate asm statements containing #defines 6 * generate asm statements containing #defines,
8 * compile this file to assembler, and then ex 7 * compile this file to assembler, and then extract the
9 * #defines from the assembly-language output. 8 * #defines from the assembly-language output.
10 * <<
11 * On sparc, thread_info data is static and TI <<
12 */ 9 */
13 10
>> 11 #define ASM_OFFSETS_C
>> 12
>> 13 #include <linux/stddef.h>
14 #include <linux/sched.h> 14 #include <linux/sched.h>
15 #include <linux/mm_types.h> !! 15 #include <linux/kernel_stat.h>
16 // #include <linux/mm.h> <<
17 #include <linux/kbuild.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>
18 21
19 #include <asm/hibernate.h> !! 22 int main(void)
20 <<
21 #ifdef CONFIG_SPARC32 <<
22 static int __used sparc32_foo(void) <<
23 { 23 {
24 DEFINE(AOFF_thread_fork_kpsr, !! 24 /* offsets into the task struct */
25 offsetof(struct thread !! 25 DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
26 return 0; !! 26 DEFINE(TASK_MM, offsetof(struct task_struct, mm));
27 } !! 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);
28 #else 61 #else
29 static int __used sparc64_foo(void) !! 62 DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4);
30 { <<
31 #ifdef CONFIG_HIBERNATION <<
32 BLANK(); <<
33 OFFSET(SC_REG_FP, saved_context, fp); <<
34 OFFSET(SC_REG_CWP, saved_context, cwp) <<
35 OFFSET(SC_REG_WSTATE, saved_context, w <<
36 <<
37 OFFSET(SC_REG_TICK, saved_context, tic <<
38 OFFSET(SC_REG_PSTATE, saved_context, p <<
39 <<
40 OFFSET(SC_REG_G4, saved_context, g4); <<
41 OFFSET(SC_REG_G5, saved_context, g5); <<
42 OFFSET(SC_REG_G6, saved_context, g6); <<
43 #endif <<
44 return 0; <<
45 } <<
46 #endif 63 #endif
47 64
48 static int __used foo(void) !! 65 /* offsets into the irq_cpustat_t struct */
49 { !! 66 DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
50 BLANK(); !! 67
51 DEFINE(AOFF_task_thread, offsetof(stru !! 68 /* signal defines */
52 BLANK(); !! 69 DEFINE(LSIGSEGV, SIGSEGV);
53 DEFINE(AOFF_mm_context, offsetof(struc !! 70 DEFINE(LSEGV_MAPERR, SEGV_MAPERR);
54 BLANK(); !! 71 DEFINE(LSIGTRAP, SIGTRAP);
55 DEFINE(VMA_VM_MM, offsetof(struct v !! 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
56 105
57 /* DEFINE(NUM_USER_SEGMENTS, TASK_SIZE <<
58 return 0; 106 return 0;
59 } 107 }
60 <<
61 108
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