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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
4e0c2098 YS |
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 | ||
12 | #include <linux/stddef.h> | |
13 | #include <linux/sched.h> | |
14 | #include <linux/kernel_stat.h> | |
15 | #include <linux/ptrace.h> | |
16 | #include <linux/hardirq.h> | |
17 | #include <linux/kbuild.h> | |
18 | #include <asm/irq.h> | |
19 | #include <asm/ptrace.h> | |
20 | ||
21 | int main(void) | |
22 | { | |
23 | /* offsets into the task struct */ | |
24 | OFFSET(TASK_STATE, task_struct, state); | |
25 | OFFSET(TASK_FLAGS, task_struct, flags); | |
26 | OFFSET(TASK_PTRACE, task_struct, ptrace); | |
27 | OFFSET(TASK_BLOCKED, task_struct, blocked); | |
28 | OFFSET(TASK_THREAD, task_struct, thread); | |
29 | OFFSET(TASK_THREAD_INFO, task_struct, stack); | |
30 | OFFSET(TASK_MM, task_struct, mm); | |
31 | OFFSET(TASK_ACTIVE_MM, task_struct, active_mm); | |
32 | ||
33 | /* offsets into the irq_cpustat_t struct */ | |
34 | DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, | |
35 | __softirq_pending)); | |
36 | ||
37 | /* offsets into the thread struct */ | |
38 | OFFSET(THREAD_KSP, thread_struct, ksp); | |
39 | OFFSET(THREAD_USP, thread_struct, usp); | |
40 | OFFSET(THREAD_CCR, thread_struct, ccr); | |
41 | ||
42 | /* offsets into the pt_regs struct */ | |
43 | DEFINE(LER0, offsetof(struct pt_regs, er0) - sizeof(long)); | |
44 | DEFINE(LER1, offsetof(struct pt_regs, er1) - sizeof(long)); | |
45 | DEFINE(LER2, offsetof(struct pt_regs, er2) - sizeof(long)); | |
46 | DEFINE(LER3, offsetof(struct pt_regs, er3) - sizeof(long)); | |
47 | DEFINE(LER4, offsetof(struct pt_regs, er4) - sizeof(long)); | |
48 | DEFINE(LER5, offsetof(struct pt_regs, er5) - sizeof(long)); | |
49 | DEFINE(LER6, offsetof(struct pt_regs, er6) - sizeof(long)); | |
50 | DEFINE(LORIG, offsetof(struct pt_regs, orig_er0) - sizeof(long)); | |
51 | DEFINE(LSP, offsetof(struct pt_regs, sp) - sizeof(long)); | |
52 | DEFINE(LCCR, offsetof(struct pt_regs, ccr) - sizeof(long)); | |
53 | DEFINE(LVEC, offsetof(struct pt_regs, vector) - sizeof(long)); | |
54 | #if defined(CONFIG_CPU_H8S) | |
55 | DEFINE(LEXR, offsetof(struct pt_regs, exr) - sizeof(long)); | |
56 | #endif | |
57 | DEFINE(LRET, offsetof(struct pt_regs, pc) - sizeof(long)); | |
58 | ||
59 | DEFINE(PT_PTRACED, PT_PTRACED); | |
60 | ||
61 | /* offsets in thread_info structure */ | |
62 | OFFSET(TI_TASK, thread_info, task); | |
63 | OFFSET(TI_FLAGS, thread_info, flags); | |
64 | OFFSET(TI_CPU, thread_info, cpu); | |
65 | OFFSET(TI_PRE, thread_info, preempt_count); | |
66 | ||
67 | return 0; | |
68 | } |