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 @@
+/*
+ * This program is used to generate definitions needed by
+ * assembly language modules.
+ *
+ * We use the technique used in the OSF Mach kernel code:
+ * generate asm statements containing #defines,
+ * compile this file to assembler, and then extract the
+ * #defines from the assembly-language output.
+ */
+
+#include <linux/stddef.h>
+#include <linux/sched.h>
+#include <linux/kernel_stat.h>
+#include <linux/ptrace.h>
+#include <linux/hardirq.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/ptrace.h>
+
+#define DEFINE(sym, val) \
+        asm volatile("\n->" #sym " %0 " #val : : "i" (val))
+
+#define BLANK() asm volatile("\n->" : : )
+
+int main(void)
+{
+        /* offsets into the task struct */
+        DEFINE(TASK_STATE, offsetof(struct task_struct, state));
+        DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
+        DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
+        DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
+        DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
+        DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, thread_info));
+        DEFINE(TASK_MM, offsetof(struct task_struct, mm));
+        DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
+
+        /* offsets into the irq_cpustat_t struct */
+        DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
+
+        /* offsets into the thread struct */
+        DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
+        DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
+        DEFINE(THREAD_CCR, offsetof(struct thread_struct, ccr));
+
+        /* offsets into the pt_regs struct */
+        DEFINE(LER0,  offsetof(struct pt_regs, er0)      - sizeof(long));
+        DEFINE(LER1,  offsetof(struct pt_regs, er1)      - sizeof(long));
+        DEFINE(LER2,  offsetof(struct pt_regs, er2)      - sizeof(long));
+        DEFINE(LER3,  offsetof(struct pt_regs, er3)      - sizeof(long));
+        DEFINE(LER4,  offsetof(struct pt_regs, er4)      - sizeof(long));
+        DEFINE(LER5,  offsetof(struct pt_regs, er5)      - sizeof(long));
+        DEFINE(LER6,  offsetof(struct pt_regs, er6)      - sizeof(long));
+        DEFINE(LORIG, offsetof(struct pt_regs, orig_er0) - sizeof(long));
+        DEFINE(LCCR,  offsetof(struct pt_regs, ccr)      - sizeof(long));
+        DEFINE(LVEC,  offsetof(struct pt_regs, vector)   - sizeof(long));
+#if defined(__H8300S__)
+        DEFINE(LEXR,  offsetof(struct pt_regs, exr)      - sizeof(long));
+#endif
+        DEFINE(LRET,  offsetof(struct pt_regs, pc)       - sizeof(long));
+
+        DEFINE(PT_PTRACED, PT_PTRACED);
+        DEFINE(PT_DTRACE, PT_DTRACE);
+
+        return 0;
+}