sh: split out ptrace header for _32/_64 variants.
asm/ptrace.h is getting a bit messy, with the _32/_64-specific changes
being fairly insular. This splits out the header accordingly.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/include/asm/ptrace_32.h b/arch/sh/include/asm/ptrace_32.h
new file mode 100644
index 0000000..35d9e25
--- /dev/null
+++ b/arch/sh/include/asm/ptrace_32.h
@@ -0,0 +1,83 @@
+#ifndef __ASM_SH_PTRACE_32_H
+#define __ASM_SH_PTRACE_32_H
+
+/*
+ * GCC defines register number like this:
+ * -----------------------------
+ * 0 - 15 are integer registers
+ * 17 - 22 are control/special registers
+ * 24 - 39 fp registers
+ * 40 - 47 xd registers
+ * 48 - fpscr register
+ * -----------------------------
+ *
+ * We follows above, except:
+ * 16 --- program counter (PC)
+ * 22 --- syscall #
+ * 23 --- floating point communication register
+ */
+#define REG_REG0 0
+#define REG_REG15 15
+
+#define REG_PC 16
+
+#define REG_PR 17
+#define REG_SR 18
+#define REG_GBR 19
+#define REG_MACH 20
+#define REG_MACL 21
+
+#define REG_SYSCALL 22
+
+#define REG_FPREG0 23
+#define REG_FPREG15 38
+#define REG_XFREG0 39
+#define REG_XFREG15 54
+
+#define REG_FPSCR 55
+#define REG_FPUL 56
+
+/*
+ * This struct defines the way the registers are stored on the
+ * kernel stack during a system call or other kernel entry.
+ */
+struct pt_regs {
+ unsigned long regs[16];
+ unsigned long pc;
+ unsigned long pr;
+ unsigned long sr;
+ unsigned long gbr;
+ unsigned long mach;
+ unsigned long macl;
+ long tra;
+};
+
+/*
+ * This struct defines the way the DSP registers are stored on the
+ * kernel stack during a system call or other kernel entry.
+ */
+struct pt_dspregs {
+ unsigned long a1;
+ unsigned long a0g;
+ unsigned long a1g;
+ unsigned long m0;
+ unsigned long m1;
+ unsigned long a0;
+ unsigned long x0;
+ unsigned long x1;
+ unsigned long y0;
+ unsigned long y1;
+ unsigned long dsr;
+ unsigned long rs;
+ unsigned long re;
+ unsigned long mod;
+};
+
+#ifdef __KERNEL__
+
+#define MAX_REG_OFFSET offsetof(struct pt_regs, tra)
+#define regs_return_value(regs) ((regs)->regs[0])
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASM_SH_PTRACE_32_H */