1 files changed, 168 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/ptrace.h b/arch/blackfin/include/asm/ptrace.h
new file mode 100644
index 000000000000..a45a80e54adc
--- /dev/null
+++ b/arch/blackfin/include/asm/ptrace.h
@@ -0,0 +1,168 @@
+#ifndef _BFIN_PTRACE_H
+#define _BFIN_PTRACE_H
+
+/*
+ * GCC defines register number like this:
+ * -----------------------------
+ *       0 - 7 are data registers R0-R7
+ *       8 - 15 are address registers P0-P7
+ *      16 - 31 dsp registers I/B/L0 -- I/B/L3 & M0--M3
+ *      32 - 33 A registers A0 & A1
+ *      34 -    status register
+ * -----------------------------
+ *
+ * We follows above, except:
+ *      32-33 --- Low 32-bit of A0&1
+ *      34-35 --- High 8-bit of A0&1
+ */
+
+#ifndef __ASSEMBLY__
+
+/* this struct defines the way the registers are stored on the
+   stack during a system call. */
+
+struct pt_regs {
+	long orig_pc;
+	long ipend;
+	long seqstat;
+	long rete;
+	long retn;
+	long retx;
+	long pc;		/* PC == RETI */
+	long rets;
+	long reserved;		/* Used as scratch during system calls */
+	long astat;
+	long lb1;
+	long lb0;
+	long lt1;
+	long lt0;
+	long lc1;
+	long lc0;
+	long a1w;
+	long a1x;
+	long a0w;
+	long a0x;
+	long b3;
+	long b2;
+	long b1;
+	long b0;
+	long l3;
+	long l2;
+	long l1;
+	long l0;
+	long m3;
+	long m2;
+	long m1;
+	long m0;
+	long i3;
+	long i2;
+	long i1;
+	long i0;
+	long usp;
+	long fp;
+	long p5;
+	long p4;
+	long p3;
+	long p2;
+	long p1;
+	long p0;
+	long r7;
+	long r6;
+	long r5;
+	long r4;
+	long r3;
+	long r2;
+	long r1;
+	long r0;
+	long orig_r0;
+	long orig_p0;
+	long syscfg;
+};
+
+/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
+#define PTRACE_GETREGS            12
+#define PTRACE_SETREGS            13	/* ptrace signal  */
+
+#define PTRACE_GETFDPIC           31
+#define PTRACE_GETFDPIC_EXEC      0
+#define PTRACE_GETFDPIC_INTERP    1
+
+#define PS_S  (0x0002)
+
+#ifdef __KERNEL__
+
+/* user_mode returns true if only one bit is set in IPEND, other than the
+   master interrupt enable.  */
+#define user_mode(regs) (!(((regs)->ipend & ~0x10) & (((regs)->ipend & ~0x10) - 1)))
+#define instruction_pointer(regs) ((regs)->pc)
+#define profile_pc(regs) instruction_pointer(regs)
+extern void show_regs(struct pt_regs *);
+
+#endif  /*  __KERNEL__  */
+
+#endif				/* __ASSEMBLY__ */
+
+/*
+ * Offsets used by 'ptrace' system call interface.
+ */
+
+#define PT_R0 204
+#define PT_R1 200
+#define PT_R2 196
+#define PT_R3 192
+#define PT_R4 188
+#define PT_R5 184
+#define PT_R6 180
+#define PT_R7 176
+#define PT_P0 172
+#define PT_P1 168
+#define PT_P2 164
+#define PT_P3 160
+#define PT_P4 156
+#define PT_P5 152
+#define PT_FP 148
+#define PT_USP 144
+#define PT_I0 140
+#define PT_I1 136
+#define PT_I2 132
+#define PT_I3 128
+#define PT_M0 124
+#define PT_M1 120
+#define PT_M2 116
+#define PT_M3 112
+#define PT_L0 108
+#define PT_L1 104
+#define PT_L2 100
+#define PT_L3 96
+#define PT_B0 92
+#define PT_B1 88
+#define PT_B2 84
+#define PT_B3 80
+#define PT_A0X 76
+#define PT_A0W 72
+#define PT_A1X 68
+#define PT_A1W 64
+#define PT_LC0 60
+#define PT_LC1 56
+#define PT_LT0 52
+#define PT_LT1 48
+#define PT_LB0 44
+#define PT_LB1 40
+#define PT_ASTAT 36
+#define PT_RESERVED 32
+#define PT_RETS 28
+#define PT_PC 24
+#define PT_RETX 20
+#define PT_RETN 16
+#define PT_RETE 12
+#define PT_SEQSTAT 8
+#define PT_IPEND 4
+
+#define PT_SYSCFG 216
+#define PT_TEXT_ADDR 220
+#define PT_TEXT_END_ADDR 224
+#define PT_DATA_ADDR 228
+#define PT_FDPIC_EXEC 232
+#define PT_FDPIC_INTERP 236
+
+#endif				/* _BFIN_PTRACE_H */