Merge branch 'linus' into x86/cpu

1 files changed, 53 insertions, 0 deletions

diff --git a/arch/mn10300/include/asm/user.h b/arch/mn10300/include/asm/user.h
new file mode 100644
index 00000000000..e1193908b78
--- /dev/null
+++ b/arch/mn10300/include/asm/user.h
@@ -0,0 +1,53 @@
+/* MN10300 User process data
+ *
+ * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ *
+ * 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_USER_H
+#define _ASM_USER_H
+
+#include <asm/page.h>
+#include <linux/ptrace.h>
+
+#ifndef __ASSEMBLY__
+/*
+ * When the kernel dumps core, it starts by dumping the user struct - this will
+ * be used by gdb to figure out where the data and stack segments are within
+ * the file, and what virtual addresses to use.
+ */
+struct user {
+	/* We start with the registers, to mimic the way that "memory" is
+	 * returned from the ptrace(3,...) function.
+	 */
+	struct pt_regs regs;		/* Where the registers are actually stored */
+
+	/* The rest of this junk is to help gdb figure out what goes where */
+	unsigned long int u_tsize;	/* Text segment size (pages). */
+	unsigned long int u_dsize;	/* Data segment size (pages). */
+	unsigned long int u_ssize;	/* Stack segment size (pages). */
+	unsigned long start_code;	/* Starting virtual address of text. */
+	unsigned long start_stack;	/* Starting virtual address of stack area.
+					   This is actually the bottom of the stack,
+					   the top of the stack is always found in the
+					   esp register.  */
+	long int signal;		/* Signal that caused the core dump. */
+	int reserved;			/* No longer used */
+	struct user_pt_regs *u_ar0;	/* Used by gdb to help find the values for */
+
+	/* the registers */
+	unsigned long magic;		/* To uniquely identify a core file */
+	char u_comm[32];		/* User command that was responsible */
+};
+#endif
+
+#define NBPG PAGE_SIZE
+#define UPAGES 1
+#define HOST_TEXT_START_ADDR	+(u.start_code)
+#define HOST_STACK_END_ADDR	+(u.start_stack + u.u_ssize * NBPG)
+
+#endif /* _ASM_USER_H */