1 files changed, 103 insertions, 0 deletions
diff --git a/arch/mn10300/include/asm/ptrace.h b/arch/mn10300/include/asm/ptrace.h
new file mode 100644
index 000000000000..7b06cc623d8b
--- /dev/null
+++ b/arch/mn10300/include/asm/ptrace.h
@@ -0,0 +1,103 @@
+/* MN10300 Exception frame layout and ptrace constants
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#ifndef _ASM_PTRACE_H
+#define _ASM_PTRACE_H
+
+#define PT_A3		0
+#define PT_A2		1
+#define PT_D3		2
+#define	PT_D2		3
+#define PT_MCVF		4
+#define	PT_MCRL		5
+#define PT_MCRH		6
+#define	PT_MDRQ		7
+#define	PT_E1		8
+#define	PT_E0		9
+#define	PT_E7		10
+#define	PT_E6		11
+#define	PT_E5		12
+#define	PT_E4		13
+#define	PT_E3		14
+#define	PT_E2		15
+#define	PT_SP		16
+#define	PT_LAR		17
+#define	PT_LIR		18
+#define	PT_MDR		19
+#define	PT_A1		20
+#define	PT_A0		21
+#define	PT_D1		22
+#define	PT_D0		23
+#define PT_ORIG_D0	24
+#define	PT_EPSW		25
+#define	PT_PC		26
+#define NR_PTREGS	27
+
+#ifndef __ASSEMBLY__
+/*
+ * This defines the way registers are stored in the event of an exception
+ * - the strange order is due to the MOVM instruction
+ */
+struct pt_regs {
+	unsigned long		a3;		/* syscall arg 3 */
+	unsigned long		a2;		/* syscall arg 4 */
+	unsigned long		d3;		/* syscall arg 5 */
+	unsigned long		d2;		/* syscall arg 6 */
+	unsigned long		mcvf;
+	unsigned long		mcrl;
+	unsigned long		mcrh;
+	unsigned long		mdrq;
+	unsigned long		e1;
+	unsigned long		e0;
+	unsigned long		e7;
+	unsigned long		e6;
+	unsigned long		e5;
+	unsigned long		e4;
+	unsigned long		e3;
+	unsigned long		e2;
+	unsigned long		sp;
+	unsigned long		lar;
+	unsigned long		lir;
+	unsigned long		mdr;
+	unsigned long		a1;
+	unsigned long		a0;		/* syscall arg 1 */
+	unsigned long		d1;		/* syscall arg 2 */
+	unsigned long		d0;		/* syscall ret */
+	struct pt_regs		*next;		/* next frame pointer */
+	unsigned long		orig_d0;	/* syscall number */
+	unsigned long		epsw;
+	unsigned long		pc;
+};
+#endif
+
+extern struct pt_regs *__frame; /* current frame pointer */
+
+/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
+#define PTRACE_GETREGS            12
+#define PTRACE_SETREGS            13
+#define PTRACE_GETFPREGS          14
+#define PTRACE_SETFPREGS          15
+
+/* options set using PTRACE_SETOPTIONS */
+#define PTRACE_O_TRACESYSGOOD     0x00000001
+
+#if defined(__KERNEL__)
+
+#if !defined(__ASSEMBLY__)
+#define user_mode(regs)			(((regs)->epsw & EPSW_nSL) == EPSW_nSL)
+#define instruction_pointer(regs)	((regs)->pc)
+extern void show_regs(struct pt_regs *);
+#endif  /*  !__ASSEMBLY  */
+
+#define profile_pc(regs) ((regs)->pc)
+
+#endif  /*  __KERNEL__  */
+
+#endif /* _ASM_PTRACE_H */