1 // SPDX-License-Identifier: GPL-2.0-or-later !! 1 // SPDX-License-Identifier: GPL-2.0
2 /* 2 /*
3 * OpenRISC asm-offsets.c <<
4 * <<
5 * Linux architectural port borrowing liberall <<
6 * others. All original copyrights apply as p <<
7 * declaration. <<
8 * <<
9 * Modifications for the OpenRISC architecture <<
10 * Copyright (C) 2003 Matjaz Breskvar <phoenix <<
11 * Copyright (C) 2010-2011 Jonas Bonn <jonas@s <<
12 * <<
13 * This program is used to generate definition 3 * This program is used to generate definitions needed by
14 * assembly language modules. 4 * assembly language modules.
15 * 5 *
16 * We use the technique used in the OSF Mach k 6 * We use the technique used in the OSF Mach kernel code:
17 * generate asm statements containing #defines 7 * generate asm statements containing #defines,
18 * compile this file to assembler, and then ex 8 * compile this file to assembler, and then extract the
19 * #defines from the assembly-language output. 9 * #defines from the assembly-language output.
>> 10 *
>> 11 * On sparc, thread_info data is static and TI_XXX offsets are computed by hand.
20 */ 12 */
21 13
22 #include <linux/signal.h> <<
23 #include <linux/sched.h> 14 #include <linux/sched.h>
24 #include <linux/kernel.h> !! 15 #include <linux/mm_types.h>
25 #include <linux/errno.h> !! 16 // #include <linux/mm.h>
26 #include <linux/string.h> <<
27 #include <linux/types.h> <<
28 #include <linux/ptrace.h> <<
29 #include <linux/mman.h> <<
30 #include <linux/mm.h> <<
31 #include <linux/io.h> <<
32 #include <linux/thread_info.h> <<
33 #include <linux/kbuild.h> 17 #include <linux/kbuild.h>
34 #include <asm/page.h> <<
35 #include <asm/processor.h> <<
36 18
37 int main(void) !! 19 #include <asm/hibernate.h>
>> 20
>> 21 #ifdef CONFIG_SPARC32
>> 22 static int __used sparc32_foo(void)
38 { 23 {
39 /* offsets into the task_struct */ !! 24 DEFINE(AOFF_thread_fork_kpsr,
40 DEFINE(TASK_FLAGS, offsetof(struct tas !! 25 offsetof(struct thread_struct, fork_kpsr));
41 DEFINE(TASK_PTRACE, offsetof(struct ta !! 26 return 0;
42 DEFINE(TASK_THREAD, offsetof(struct ta !! 27 }
43 DEFINE(TASK_MM, offsetof(struct task_s !! 28 #else
44 DEFINE(TASK_ACTIVE_MM, offsetof(struct !! 29 static int __used sparc64_foo(void)
45 !! 30 {
46 /* offsets into thread_info */ !! 31 #ifdef CONFIG_HIBERNATION
47 DEFINE(TI_TASK, offsetof(struct thread !! 32 BLANK();
48 DEFINE(TI_FLAGS, offsetof(struct threa !! 33 OFFSET(SC_REG_FP, saved_context, fp);
49 DEFINE(TI_PREEMPT, offsetof(struct thr !! 34 OFFSET(SC_REG_CWP, saved_context, cwp);
50 DEFINE(TI_KSP, offsetof(struct thread_ !! 35 OFFSET(SC_REG_WSTATE, saved_context, wstate);
51 !! 36
52 DEFINE(PT_SIZE, sizeof(struct pt_regs) !! 37 OFFSET(SC_REG_TICK, saved_context, tick);
53 !! 38 OFFSET(SC_REG_PSTATE, saved_context, pstate);
54 /* Interrupt register frame */ !! 39
55 DEFINE(STACK_FRAME_OVERHEAD, STACK_FRA !! 40 OFFSET(SC_REG_G4, saved_context, g4);
56 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVE !! 41 OFFSET(SC_REG_G5, saved_context, g5);
>> 42 OFFSET(SC_REG_G6, saved_context, g6);
>> 43 #endif
>> 44 return 0;
>> 45 }
>> 46 #endif
57 47
58 DEFINE(NUM_USER_SEGMENTS, TASK_SIZE >> !! 48 static int __used foo(void)
>> 49 {
>> 50 BLANK();
>> 51 DEFINE(AOFF_task_thread, offsetof(struct task_struct, thread));
>> 52 BLANK();
>> 53 DEFINE(AOFF_mm_context, offsetof(struct mm_struct, context));
>> 54 BLANK();
>> 55 DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
>> 56
>> 57 /* DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); */
59 return 0; 58 return 0;
60 } 59 }
>> 60
61 61
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