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-rw-r--r--include/asm-cris/arch-v32/ptrace.h114
1 files changed, 114 insertions, 0 deletions
diff --git a/include/asm-cris/arch-v32/ptrace.h b/include/asm-cris/arch-v32/ptrace.h
new file mode 100644
index 0000000..516cc70
--- /dev/null
+++ b/include/asm-cris/arch-v32/ptrace.h
@@ -0,0 +1,114 @@
+#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 */
+};
+
+#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
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