]>
Commit | Line | Data |
---|---|---|
2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
61625766 JB |
2 | /* |
3 | * OpenRISC asm-offsets.c | |
4 | * | |
5 | * Linux architectural port borrowing liberally from similar works of | |
6 | * others. All original copyrights apply as per the original source | |
7 | * declaration. | |
8 | * | |
9 | * Modifications for the OpenRISC architecture: | |
10 | * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> | |
11 | * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> | |
12 | * | |
61625766 JB |
13 | * This program is used to generate definitions needed by |
14 | * assembly language modules. | |
15 | * | |
16 | * We use the technique used in the OSF Mach kernel code: | |
17 | * generate asm statements containing #defines, | |
18 | * compile this file to assembler, and then extract the | |
19 | * #defines from the assembly-language output. | |
20 | */ | |
21 | ||
22 | #include <linux/signal.h> | |
23 | #include <linux/sched.h> | |
24 | #include <linux/kernel.h> | |
25 | #include <linux/errno.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> | |
634bd40a | 33 | #include <linux/kbuild.h> |
61625766 JB |
34 | #include <asm/page.h> |
35 | #include <asm/pgtable.h> | |
36 | #include <asm/processor.h> | |
37 | ||
61625766 JB |
38 | int main(void) |
39 | { | |
40 | /* offsets into the task_struct */ | |
41 | DEFINE(TASK_STATE, offsetof(struct task_struct, state)); | |
42 | DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags)); | |
43 | DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace)); | |
44 | DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); | |
45 | DEFINE(TASK_MM, offsetof(struct task_struct, mm)); | |
46 | DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); | |
47 | ||
48 | /* offsets into thread_info */ | |
49 | DEFINE(TI_TASK, offsetof(struct thread_info, task)); | |
50 | DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); | |
51 | DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count)); | |
52 | DEFINE(TI_KSP, offsetof(struct thread_info, ksp)); | |
53 | ||
54 | DEFINE(PT_SIZE, sizeof(struct pt_regs)); | |
55 | ||
56 | /* Interrupt register frame */ | |
57 | DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD); | |
58 | DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs)); | |
59 | ||
60 | DEFINE(NUM_USER_SEGMENTS, TASK_SIZE >> 28); | |
61 | return 0; | |
62 | } |