1 files changed, 80 insertions, 0 deletions

diff --git a/arch/m68k/include/asm/ptrace_mm.h b/arch/m68k/include/asm/ptrace_mm.h
new file mode 100644
index 000000000000..57e763d79bf4
--- /dev/null
+++ b/arch/m68k/include/asm/ptrace_mm.h
@@ -0,0 +1,80 @@
+#ifndef _M68K_PTRACE_H
+#define _M68K_PTRACE_H
+
+#define PT_D1      0
+#define PT_D2      1
+#define PT_D3      2
+#define PT_D4      3
+#define PT_D5      4
+#define PT_D6      5
+#define PT_D7      6
+#define PT_A0      7
+#define PT_A1      8
+#define PT_A2      9
+#define PT_A3      10
+#define PT_A4      11
+#define PT_A5      12
+#define PT_A6      13
+#define PT_D0      14
+#define PT_USP     15
+#define PT_ORIG_D0 16
+#define PT_SR      17
+#define PT_PC      18
+
+#ifndef __ASSEMBLY__
+
+/* this struct defines the way the registers are stored on the
+   stack during a system call. */
+
+struct pt_regs {
+  long     d1;
+  long     d2;
+  long     d3;
+  long     d4;
+  long     d5;
+  long     a0;
+  long     a1;
+  long     a2;
+  long     d0;
+  long     orig_d0;
+  long     stkadj;
+  unsigned short sr;
+  unsigned long  pc;
+  unsigned format :  4; /* frame format specifier */
+  unsigned vector : 12; /* vector offset */
+};
+
+/*
+ * This is the extended stack used by signal handlers and the context
+ * switcher: it's pushed after the normal "struct pt_regs".
+ */
+struct switch_stack {
+        unsigned long  d6;
+        unsigned long  d7;
+        unsigned long  a3;
+        unsigned long  a4;
+        unsigned long  a5;
+        unsigned long  a6;
+        unsigned long  retpc;
+};
+
+/* 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
+
+#ifdef __KERNEL__
+
+#ifndef PS_S
+#define PS_S  (0x2000)
+#define PS_M  (0x1000)
+#endif
+
+#define user_mode(regs) (!((regs)->sr & PS_S))
+#define instruction_pointer(regs) ((regs)->pc)
+#define profile_pc(regs) instruction_pointer(regs)
+extern void show_regs(struct pt_regs *);
+#endif /* __KERNEL__ */
+#endif /* __ASSEMBLY__ */
+#endif /* _M68K_PTRACE_H */