1 files changed, 97 insertions, 0 deletions

diff --git a/arch/score/include/asm/ptrace.h b/arch/score/include/asm/ptrace.h
new file mode 100644
index 000000000000..d40e691f23e2
--- /dev/null
+++ b/arch/score/include/asm/ptrace.h
@@ -0,0 +1,97 @@
+#ifndef _ASM_SCORE_PTRACE_H
+#define _ASM_SCORE_PTRACE_H
+
+#define PTRACE_GETREGS          12
+#define PTRACE_SETREGS          13
+
+#define PC              32
+#define CONDITION       33
+#define ECR             34
+#define EMA             35
+#define CEH             36
+#define CEL             37
+#define COUNTER         38
+#define LDCR            39
+#define STCR            40
+#define PSR             41
+
+#define SINGLESTEP16_INSN       0x7006
+#define SINGLESTEP32_INSN       0x840C8000
+#define BREAKPOINT16_INSN       0x7002          /* work on SPG300 */
+#define BREAKPOINT32_INSN       0x84048000      /* work on SPG300 */
+
+/* Define instruction mask */
+#define INSN32_MASK     0x80008000
+
+#define J32     0x88008000      /* 1_00010_0000000000_1_000000000000000 */
+#define J32M    0xFC008000      /* 1_11111_0000000000_1_000000000000000 */
+
+#define B32     0x90008000      /* 1_00100_0000000000_1_000000000000000 */
+#define B32M    0xFC008000
+#define BL32    0x90008001      /* 1_00100_0000000000_1_000000000000001 */
+#define BL32M   B32
+#define BR32    0x80008008      /* 1_00000_0000000000_1_00000000_000100_0 */
+#define BR32M   0xFFE0807E
+#define BRL32   0x80008009      /* 1_00000_0000000000_1_00000000_000100_1 */
+#define BRL32M  BR32M
+
+#define B32_SET (J32 | B32 | BL32 | BR32 | BRL32)
+
+#define J16     0x3000          /* 0_011_....... */
+#define J16M    0xF000
+#define B16     0x4000          /* 0_100_....... */
+#define B16M    0xF000
+#define BR16    0x0004          /* 0_000.......0100 */
+#define BR16M   0xF00F
+#define B16_SET (J16 | B16 | BR16)
+
+
+/*
+ * This struct defines the way the registers are stored on the stack during a
+ * system call/exception. As usual the registers k0/k1 aren't being saved.
+ */
+struct pt_regs {
+        unsigned long pad0[6];  /* stack arguments */
+        unsigned long orig_r4;
+        unsigned long orig_r7;
+        long is_syscall;
+
+        unsigned long regs[32];
+
+        unsigned long cel;
+        unsigned long ceh;
+
+        unsigned long sr0;      /* cnt */
+        unsigned long sr1;      /* lcr */
+        unsigned long sr2;      /* scr */
+
+        unsigned long cp0_epc;
+        unsigned long cp0_ema;
+        unsigned long cp0_psr;
+        unsigned long cp0_ecr;
+        unsigned long cp0_condition;
+};
+
+#ifdef __KERNEL__
+
+struct task_struct;
+
+/*
+ * Does the process account for user or for system time?
+ */
+#define user_mode(regs)         ((regs->cp0_psr & 8) == 8)
+
+#define instruction_pointer(regs)       ((unsigned long)(regs)->cp0_epc)
+#define profile_pc(regs)                instruction_pointer(regs)
+
+extern void do_syscall_trace(struct pt_regs *regs, int entryexit);
+extern int read_tsk_long(struct task_struct *, unsigned long, unsigned long *);
+extern int read_tsk_short(struct task_struct *, unsigned long,
+                         unsigned short *);
+
+#define arch_has_single_step()  (1)
+extern void user_enable_single_step(struct task_struct *);
+extern void user_disable_single_step(struct task_struct *);
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_SCORE_PTRACE_H */