asm-offsets.c

 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#define COMPILE_OFFSETS
12
13#include <linux/stddef.h>
14#include <linux/types.h>
15#include <linux/mm.h>
16#include <linux/kbuild.h>
17#include <linux/suspend.h>
18
19#include <asm/thread_info.h>
20#include <asm/suspend.h>
21
22int main(void)
23{
24	/* offsets into the thread_info struct */
25	DEFINE(TI_TASK,		offsetof(struct thread_info, task));
26	DEFINE(TI_FLAGS,	offsetof(struct thread_info, flags));
27	DEFINE(TI_CPU,		offsetof(struct thread_info, cpu));
28	DEFINE(TI_PRE_COUNT,	offsetof(struct thread_info, preempt_count));
29	DEFINE(TI_SIZE,		sizeof(struct thread_info));
30
31#ifdef CONFIG_HIBERNATION
32	DEFINE(PBE_ADDRESS, offsetof(struct pbe, address));
33	DEFINE(PBE_ORIG_ADDRESS, offsetof(struct pbe, orig_address));
34	DEFINE(PBE_NEXT, offsetof(struct pbe, next));
35	DEFINE(SWSUSP_ARCH_REGS_SIZE, sizeof(struct swsusp_arch_regs));
36#endif
37
38	DEFINE(SH_SLEEP_MODE, offsetof(struct sh_sleep_data, mode));
39	DEFINE(SH_SLEEP_SF_PRE, offsetof(struct sh_sleep_data, sf_pre));
40	DEFINE(SH_SLEEP_SF_POST, offsetof(struct sh_sleep_data, sf_post));
41	DEFINE(SH_SLEEP_RESUME, offsetof(struct sh_sleep_data, resume));
42	DEFINE(SH_SLEEP_VBR, offsetof(struct sh_sleep_data, vbr));
43	DEFINE(SH_SLEEP_SPC, offsetof(struct sh_sleep_data, spc));
44	DEFINE(SH_SLEEP_SR, offsetof(struct sh_sleep_data, sr));
45	DEFINE(SH_SLEEP_SP, offsetof(struct sh_sleep_data, sp));
46	DEFINE(SH_SLEEP_BASE_ADDR, offsetof(struct sh_sleep_data, addr));
47	DEFINE(SH_SLEEP_BASE_DATA, offsetof(struct sh_sleep_data, data));
48	DEFINE(SH_SLEEP_REG_STBCR, offsetof(struct sh_sleep_regs, stbcr));
49	DEFINE(SH_SLEEP_REG_BAR, offsetof(struct sh_sleep_regs, bar));
50	DEFINE(SH_SLEEP_REG_PTEH, offsetof(struct sh_sleep_regs, pteh));
51	DEFINE(SH_SLEEP_REG_PTEL, offsetof(struct sh_sleep_regs, ptel));
52	DEFINE(SH_SLEEP_REG_TTB, offsetof(struct sh_sleep_regs, ttb));
53	DEFINE(SH_SLEEP_REG_TEA, offsetof(struct sh_sleep_regs, tea));
54	DEFINE(SH_SLEEP_REG_MMUCR, offsetof(struct sh_sleep_regs, mmucr));
55	DEFINE(SH_SLEEP_REG_PTEA, offsetof(struct sh_sleep_regs, ptea));
56	DEFINE(SH_SLEEP_REG_PASCR, offsetof(struct sh_sleep_regs, pascr));
57	DEFINE(SH_SLEEP_REG_IRMCR, offsetof(struct sh_sleep_regs, irmcr));
58	DEFINE(SH_SLEEP_REG_CCR, offsetof(struct sh_sleep_regs, ccr));
59	DEFINE(SH_SLEEP_REG_RAMCR, offsetof(struct sh_sleep_regs, ramcr));
60	return 0;
61}