1 files changed, 118 insertions, 0 deletions
diff --git a/arch/cris/include/arch-v32/arch/ptrace.h b/arch/cris/include/arch-v32/arch/ptrace.h
new file mode 100644
index 000000000000..41f4e8662bc2
--- /dev/null
+++ b/arch/cris/include/arch-v32/arch/ptrace.h
@@ -0,0 +1,118 @@
+#ifndef _CRIS_ARCH_PTRACE_H
+#define _CRIS_ARCH_PTRACE_H
+
+/* Register numbers in the ptrace system call interface */
+
+#define PT_ORIG_R10  0
+#define PT_R0        1
+#define PT_R1        2
+#define PT_R2        3
+#define PT_R3        4
+#define PT_R4        5
+#define PT_R5        6
+#define PT_R6        7
+#define PT_R7        8
+#define PT_R8        9
+#define PT_R9        10
+#define PT_R10       11
+#define PT_R11       12
+#define PT_R12       13
+#define PT_R13       14
+#define PT_ACR       15
+#define PT_SRS       16
+#define PT_MOF       17
+#define PT_SPC       18
+#define PT_CCS       19
+#define PT_SRP       20
+#define PT_ERP       21    /* This is actually the debugged process' PC */
+#define PT_EXS       22
+#define PT_EDA       23
+#define PT_USP       24    /* special case - USP is not in the pt_regs */
+#define PT_PPC       25    /* special case - pseudo PC */
+#define PT_BP        26    /* Base number for BP registers. */
+#define PT_BP_CTRL   26    /* BP control register. */
+#define PT_MAX       40
+
+/* Condition code bit numbers. */
+#define C_CCS_BITNR 0
+#define V_CCS_BITNR 1
+#define Z_CCS_BITNR 2
+#define N_CCS_BITNR 3
+#define X_CCS_BITNR 4
+#define I_CCS_BITNR 5
+#define U_CCS_BITNR 6
+#define P_CCS_BITNR 7
+#define R_CCS_BITNR 8
+#define S_CCS_BITNR 9
+#define M_CCS_BITNR 30
+#define Q_CCS_BITNR 31
+#define CCS_SHIFT   10 /* Shift count for each level in CCS */
+
+/* pt_regs not only specifices the format in the user-struct during
+ * ptrace but is also the frame format used in the kernel prologue/epilogues
+ * themselves
+ */
+
+struct pt_regs {
+	unsigned long orig_r10;
+	/* pushed by movem r13, [sp] in SAVE_ALL. */
+	unsigned long r0;
+	unsigned long r1;
+	unsigned long r2;
+	unsigned long r3;
+	unsigned long r4;
+	unsigned long r5;
+	unsigned long r6;
+	unsigned long r7;
+	unsigned long r8;
+	unsigned long r9;
+	unsigned long r10;
+	unsigned long r11;
+	unsigned long r12;
+	unsigned long r13;
+	unsigned long acr;
+	unsigned long srs;
+	unsigned long mof;
+	unsigned long spc;
+	unsigned long ccs;
+	unsigned long srp;
+	unsigned long erp; /* This is actually the debugged process' PC */
+	/* For debugging purposes; saved only when needed. */
+	unsigned long exs;
+	unsigned long eda;
+};
+
+/* switch_stack is the extra stuff pushed onto the stack in _resume (entry.S)
+ * when doing a context-switch. it is used (apart from in resume) when a new
+ * thread is made and we need to make _resume (which is starting it for the
+ * first time) realise what is going on.
+ *
+ * Actually, the use is very close to the thread struct (TSS) in that both the
+ * switch_stack and the TSS are used to keep thread stuff when switching in
+ * _resume.
+ */
+
+struct switch_stack {
+	unsigned long r0;
+	unsigned long r1;
+	unsigned long r2;
+	unsigned long r3;
+	unsigned long r4;
+	unsigned long r5;
+	unsigned long r6;
+	unsigned long r7;
+	unsigned long r8;
+	unsigned long r9;
+	unsigned long return_ip; /* ip that _resume will return to */
+};
+
+#ifdef __KERNEL__
+
+#define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0)
+#define instruction_pointer(regs) ((regs)->erp)
+extern void show_regs(struct pt_regs *);
+#define profile_pc(regs) instruction_pointer(regs)
+
+#endif  /*  __KERNEL__  */
+
+#endif