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authorDavid S. Miller <davem@davemloft.net>2009-04-16 17:35:26 -0700
committerDavid S. Miller <davem@davemloft.net>2009-04-16 17:35:26 -0700
commita54bfa40fd16aeb90bc556189221576f746f8567 (patch)
tree176bb7a99ffab5f42f0dd4e9671f335be3f3efa0 /arch/mn10300/include/asm/ptrace.h
parentfe957c40ec5e2763b9977c565beab3bde3aaf85b (diff)
parent134ffb4cad92a6aa534e55a9be145bca780a32c1 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'arch/mn10300/include/asm/ptrace.h')
-rw-r--r--arch/mn10300/include/asm/ptrace.h103
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 00000000000..7b06cc623d8
--- /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 */