1 files changed, 101 insertions, 0 deletions

diff --git a/arch/m68knommu/kernel/asm-offsets.c b/arch/m68knommu/kernel/asm-offsets.c
new file mode 100644
index 000000000000..cd3ffe12653e
--- /dev/null
+++ b/arch/m68knommu/kernel/asm-offsets.c
@@ -0,0 +1,101 @@
+/*
+ * 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/thread_info.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 kernel_stat struct */
+        DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
+
+        /* 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_SR, offsetof(struct thread_struct, sr));
+        DEFINE(THREAD_FS, offsetof(struct thread_struct, fs));
+        DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp));
+        DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
+        DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp));
+        DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl));
+        DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate));
+
+        /* offsets into the pt_regs */
+        DEFINE(PT_D0, offsetof(struct pt_regs, d0));
+        DEFINE(PT_ORIG_D0, offsetof(struct pt_regs, orig_d0));
+        DEFINE(PT_D1, offsetof(struct pt_regs, d1));
+        DEFINE(PT_D2, offsetof(struct pt_regs, d2));
+        DEFINE(PT_D3, offsetof(struct pt_regs, d3));
+        DEFINE(PT_D4, offsetof(struct pt_regs, d4));
+        DEFINE(PT_D5, offsetof(struct pt_regs, d5));
+        DEFINE(PT_A0, offsetof(struct pt_regs, a0));
+        DEFINE(PT_A1, offsetof(struct pt_regs, a1));
+        DEFINE(PT_A2, offsetof(struct pt_regs, a2));
+        DEFINE(PT_PC, offsetof(struct pt_regs, pc));
+        DEFINE(PT_SR, offsetof(struct pt_regs, sr));
+
+#ifdef CONFIG_COLDFIRE
+        /* bitfields are a bit difficult */
+        DEFINE(PT_FORMATVEC, offsetof(struct pt_regs, sr) - 2);
+#else
+        /* bitfields are a bit difficult */
+        DEFINE(PT_VECTOR, offsetof(struct pt_regs, pc) + 4);
+        /* offsets into the irq_handler struct */
+        DEFINE(IRQ_HANDLER, offsetof(struct irq_node, handler));
+        DEFINE(IRQ_DEVID, offsetof(struct irq_node, dev_id));
+        DEFINE(IRQ_NEXT, offsetof(struct irq_node, next));
+#endif
+
+        /* offsets into the kernel_stat struct */
+        DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
+
+        /* signal defines */
+        DEFINE(SIGSEGV, SIGSEGV);
+        DEFINE(SEGV_MAPERR, SEGV_MAPERR);
+        DEFINE(SIGTRAP, SIGTRAP);
+        DEFINE(TRAP_TRACE, TRAP_TRACE);
+
+        DEFINE(PT_PTRACED, PT_PTRACED);
+        DEFINE(PT_DTRACE, PT_DTRACE);
+
+        DEFINE(THREAD_SIZE, THREAD_SIZE);
+
+        /* Offsets in thread_info structure */
+        DEFINE(TI_TASK, offsetof(struct thread_info, task));
+        DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
+        DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
+        DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
+
+        return 0;
+}