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/arch/h8300/kernel/asm-offsets.c

https://bitbucket.org/thekraven/iscream_thunderc-2.6.35
C | 60 lines | 40 code | 7 blank | 13 comment | 0 complexity | bd1da6d448814c085545a9fb298c49b7 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
 1/*
 2 * This program is used to generate definitions needed by
 3 * assembly language modules.
 4 *
 5 * We use the technique used in the OSF Mach kernel code:
 6 * generate asm statements containing #defines,
 7 * compile this file to assembler, and then extract the
 8 * #defines from the assembly-language output.
 9 */
10
11#include <linux/stddef.h>
12#include <linux/sched.h>
13#include <linux/kernel_stat.h>
14#include <linux/ptrace.h>
15#include <linux/hardirq.h>
16#include <linux/kbuild.h>
17#include <asm/bootinfo.h>
18#include <asm/irq.h>
19#include <asm/ptrace.h>
20
21int main(void)
22{
23	/* offsets into the task struct */
24	DEFINE(TASK_STATE, offsetof(struct task_struct, state));
25	DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
26	DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
27	DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
28	DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
29	DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
30	DEFINE(TASK_MM, offsetof(struct task_struct, mm));
31	DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
32
33	/* offsets into the irq_cpustat_t struct */
34	DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
35
36	/* offsets into the thread struct */
37	DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
38	DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
39	DEFINE(THREAD_CCR, offsetof(struct thread_struct, ccr));
40
41	/* offsets into the pt_regs struct */
42	DEFINE(LER0,  offsetof(struct pt_regs, er0)      - sizeof(long));
43	DEFINE(LER1,  offsetof(struct pt_regs, er1)      - sizeof(long));
44	DEFINE(LER2,  offsetof(struct pt_regs, er2)      - sizeof(long));
45	DEFINE(LER3,  offsetof(struct pt_regs, er3)      - sizeof(long));
46	DEFINE(LER4,  offsetof(struct pt_regs, er4)      - sizeof(long));
47	DEFINE(LER5,  offsetof(struct pt_regs, er5)      - sizeof(long));
48	DEFINE(LER6,  offsetof(struct pt_regs, er6)      - sizeof(long));
49	DEFINE(LORIG, offsetof(struct pt_regs, orig_er0) - sizeof(long));
50	DEFINE(LCCR,  offsetof(struct pt_regs, ccr)      - sizeof(long));
51	DEFINE(LVEC,  offsetof(struct pt_regs, vector)   - sizeof(long));
52#if defined(__H8300S__)
53	DEFINE(LEXR,  offsetof(struct pt_regs, exr)      - sizeof(long));
54#endif
55	DEFINE(LRET,  offsetof(struct pt_regs, pc)       - sizeof(long));
56
57	DEFINE(PT_PTRACED, PT_PTRACED);
58
59	return 0;
60}