patch-2.4.7 linux/arch/cris/kernel/entryoffsets.c

• Lines: 55
• Date: Wed Jul 4 11:50:39 2001
• Orig file: v2.4.6/linux/arch/cris/kernel/entryoffsets.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.6/linux/arch/cris/kernel/entryoffsets.c linux/arch/cris/kernel/entryoffsets.c
@@ -0,0 +1,54 @@
+/* linux/arch/cris/entryoffsets.c
+ *
+ * Copyright (C) 2001 Axis Communications AB
+ *
+ * Generate structure offsets for use in entry.S.  No extra processing
+ * needed more than compiling this file to assembly code.  Horrendous
+ * assembly code will be generated, so don't look at that.
+ *
+ * Authors:	Hans-Peter Nilsson (hp@axis.com)
+ */
+
+/* There can be string constants fallout from inline functions, so we'd
+   better make sure we don't assemble anything emitted from inclusions.  */
+__asm__ (".if 0");
+
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <asm/processor.h>
+
+/* Exclude everything except the assembly by wrapping it in ".if 0".  */
+#undef OF
+#define OF(NAME, TYPE, MEMBER)			\
+void NAME ## _fun (void)			\
+ {						\
+  __asm__ (".endif \n"				\
+	   #NAME " = %0 \n"			\
+	   ".if 0\n"				\
+	   : : "i" (offsetof (TYPE, MEMBER)));	\
+ }
+
+/* task_struct offsets.  */
+OF (LTASK_SIGPENDING, struct task_struct, sigpending)
+OF (LTASK_NEEDRESCHED, struct task_struct, need_resched)
+OF (LTASK_PTRACE, struct task_struct, ptrace)
+OF (LTASK_PID, struct task_struct, pid)
+
+/* pt_regs offsets.  */
+OF (LORIG_R10, struct pt_regs, orig_r10)
+OF (LR13, struct pt_regs, r13)
+OF (LR12, struct pt_regs, r12)
+OF (LR11, struct pt_regs, r11)
+OF (LR10, struct pt_regs, r10)
+OF (LR9, struct pt_regs, r9)
+OF (LMOF, struct pt_regs, mof)
+OF (LDCCR, struct pt_regs, dccr)
+OF (LSRP, struct pt_regs, srp)
+OF (LIRP, struct pt_regs, irp)
+
+/* thread_struct offsets.  */
+OF (LTHREAD_KSP, struct thread_struct, ksp)
+OF (LTHREAD_USP, struct thread_struct, usp)
+OF (LTHREAD_DCCR, struct thread_struct, dccr)
+
+__asm__ (".endif");