1 files changed, 115 insertions, 0 deletions

diff --git a/include/asm-cris/arch-v10/ptrace.h b/include/asm-cris/arch-v10/ptrace.h
new file mode 100644
index 000000000000..fb14c5ee37f9
--- /dev/null
+++ b/include/asm-cris/arch-v10/ptrace.h
@@ -0,0 +1,115 @@
+#ifndef _CRIS_ARCH_PTRACE_H
+#define _CRIS_ARCH_PTRACE_H
+
+/* Frame types */
+
+#define CRIS_FRAME_NORMAL   0 /* normal frame without SBFS stacking */
+#define CRIS_FRAME_BUSFAULT 1 /* frame stacked using SBFS, need RBF return
+                                 path */
+
+/* Register numbers in the ptrace system call interface */
+
+#define PT_FRAMETYPE 0
+#define PT_ORIG_R10  1
+#define PT_R13       2
+#define PT_R12       3
+#define PT_R11       4
+#define PT_R10       5
+#define PT_R9        6
+#define PT_R8        7
+#define PT_R7        8
+#define PT_R6        9
+#define PT_R5        10
+#define PT_R4        11
+#define PT_R3        12
+#define PT_R2        13
+#define PT_R1        14
+#define PT_R0        15
+#define PT_MOF       16
+#define PT_DCCR      17
+#define PT_SRP       18
+#define PT_IRP       19    /* This is actually the debugged process' PC */
+#define PT_CSRINSTR  20    /* CPU Status record remnants -
+                              valid if frametype == busfault */
+#define PT_CSRADDR   21
+#define PT_CSRDATA   22
+#define PT_USP       23    /* special case - USP is not in the pt_regs */
+#define PT_MAX       23
+
+/* Condition code bit numbers.  The same numbers apply to CCR of course,
+   but we use DCCR everywhere else, so let's try and be consistent.  */
+#define C_DCCR_BITNR 0
+#define V_DCCR_BITNR 1
+#define Z_DCCR_BITNR 2
+#define N_DCCR_BITNR 3
+#define X_DCCR_BITNR 4
+#define I_DCCR_BITNR 5
+#define B_DCCR_BITNR 6
+#define M_DCCR_BITNR 7
+#define U_DCCR_BITNR 8
+#define P_DCCR_BITNR 9
+#define F_DCCR_BITNR 10
+
+/* 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 frametype;  /* type of stackframe */
+        unsigned long orig_r10;
+        /* pushed by movem r13, [sp] in SAVE_ALL, movem pushes backwards */
+        unsigned long r13;
+        unsigned long r12;
+        unsigned long r11;
+        unsigned long r10;
+        unsigned long r9;
+        unsigned long r8;
+        unsigned long r7;
+        unsigned long r6;
+        unsigned long r5;
+        unsigned long r4;
+        unsigned long r3;
+        unsigned long r2;
+        unsigned long r1;
+        unsigned long r0;
+        unsigned long mof;
+        unsigned long dccr;
+        unsigned long srp;
+        unsigned long irp; /* This is actually the debugged process' PC */
+        unsigned long csrinstr;
+        unsigned long csraddr;
+        unsigned long csrdata;
+};
+
+/* 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 r9;
+        unsigned long r8;
+        unsigned long r7;
+        unsigned long r6;
+        unsigned long r5;
+        unsigned long r4;
+        unsigned long r3;
+        unsigned long r2;
+        unsigned long r1;
+        unsigned long r0;
+        unsigned long return_ip; /* ip that _resume will return to */
+};
+
+/* bit 8 is user-mode flag */
+#define user_mode(regs) (((regs)->dccr & 0x100) != 0)
+#define instruction_pointer(regs) ((regs)->irp)
+#define profile_pc(regs) instruction_pointer(regs)
+extern void show_regs(struct pt_regs *);
+
+#endif