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-rw-r--r--arch/h8300/kernel/asm-offsets.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/h8300/kernel/asm-offsets.c b/arch/h8300/kernel/asm-offsets.c
new file mode 100644
index 000000000000..b78b82ad28a3
--- /dev/null
+++ b/arch/h8300/kernel/asm-offsets.c
@@ -0,0 +1,65 @@
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 <asm/bootinfo.h>
17#include <asm/irq.h>
18#include <asm/ptrace.h>
19
20#define DEFINE(sym, val) \
21 asm volatile("\n->" #sym " %0 " #val : : "i" (val))
22
23#define BLANK() asm volatile("\n->" : : )
24
25int main(void)
26{
27 /* offsets into the task struct */
28 DEFINE(TASK_STATE, offsetof(struct task_struct, state));
29 DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
30 DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
31 DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
32 DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
33 DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, thread_info));
34 DEFINE(TASK_MM, offsetof(struct task_struct, mm));
35 DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
36
37 /* offsets into the irq_cpustat_t struct */
38 DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
39
40 /* offsets into the thread struct */
41 DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
42 DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
43 DEFINE(THREAD_CCR, offsetof(struct thread_struct, ccr));
44
45 /* offsets into the pt_regs struct */
46 DEFINE(LER0, offsetof(struct pt_regs, er0) - sizeof(long));
47 DEFINE(LER1, offsetof(struct pt_regs, er1) - sizeof(long));
48 DEFINE(LER2, offsetof(struct pt_regs, er2) - sizeof(long));
49 DEFINE(LER3, offsetof(struct pt_regs, er3) - sizeof(long));
50 DEFINE(LER4, offsetof(struct pt_regs, er4) - sizeof(long));
51 DEFINE(LER5, offsetof(struct pt_regs, er5) - sizeof(long));
52 DEFINE(LER6, offsetof(struct pt_regs, er6) - sizeof(long));
53 DEFINE(LORIG, offsetof(struct pt_regs, orig_er0) - sizeof(long));
54 DEFINE(LCCR, offsetof(struct pt_regs, ccr) - sizeof(long));
55 DEFINE(LVEC, offsetof(struct pt_regs, vector) - sizeof(long));
56#if defined(__H8300S__)
57 DEFINE(LEXR, offsetof(struct pt_regs, exr) - sizeof(long));
58#endif
59 DEFINE(LRET, offsetof(struct pt_regs, pc) - sizeof(long));
60
61 DEFINE(PT_PTRACED, PT_PTRACED);
62 DEFINE(PT_DTRACE, PT_DTRACE);
63
64 return 0;
65}