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Diffstat (limited to 'arch/h8300/kernel/asm-offsets.c')
-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 00000000000..b78b82ad28a
--- /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;
+}