From: Michal Simek <monstr@monstr.eu>
Date: Mon, 28 Dec 2009 13:25:15 +0000 (+0100)
Subject: microblaze: Add PT_ macros for special purpose regs
X-Git-Tag: v2.6.33-rc5~19^2~2
X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=90974cb4cc283b36fe00b594446aba9177ac3287

microblaze: Add PT_ macros for special purpose regs

PT_ macros are used by gdb and strace uses them too.

Signed-off-by: Michal Simek <monstr@monstr.eu>
---

diff --git a/arch/microblaze/include/asm/ptrace.h b/arch/microblaze/include/asm/ptrace.h
index a917dc5..d74dbfb 100644
--- a/arch/microblaze/include/asm/ptrace.h
+++ b/arch/microblaze/include/asm/ptrace.h
@@ -54,6 +54,7 @@ struct pt_regs {
 	int pt_mode;
 };
 
+#ifdef __KERNEL__
 #define kernel_mode(regs)		((regs)->pt_mode)
 #define user_mode(regs)			(!kernel_mode(regs))
 
@@ -62,6 +63,19 @@ struct pt_regs {
 
 void show_regs(struct pt_regs *);
 
+#else /* __KERNEL__ */
+
+/* pt_regs offsets used by gdbserver etc in ptrace syscalls */
+#define PT_GPR(n)       ((n) * sizeof(microblaze_reg_t))
+#define PT_PC           (32 * sizeof(microblaze_reg_t))
+#define PT_MSR          (33 * sizeof(microblaze_reg_t))
+#define PT_EAR          (34 * sizeof(microblaze_reg_t))
+#define PT_ESR          (35 * sizeof(microblaze_reg_t))
+#define PT_FSR          (36 * sizeof(microblaze_reg_t))
+#define PT_KERNEL_MODE  (37 * sizeof(microblaze_reg_t))
+
+#endif /* __KERNEL */
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_MICROBLAZE_PTRACE_H */