From: Peter Griffin <pgriffin@mpc-data.co.uk>
Date: Fri, 8 May 2009 14:50:54 +0000 (+0100)
Subject: sh: Add ptrace support for NOMMU debugging
X-Git-Tag: v2.6.31-rc1~392^2~41^2~54
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ba0d474082dfa37fb0efd439b4d0c0234ceb1e80;p=karo-tx-linux.git

sh: Add ptrace support for NOMMU debugging

Signed-off-by: Peter Griffin <pgriffin@mpc-data.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---

diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index f7b22dd83b0c..3392e835a374 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -334,6 +334,14 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 					[(addr - (long)&dummy->fpu) >> 2];
 		} else if (addr == (long) &dummy->u_fpvalid)
 			tmp = !!tsk_used_math(child);
+		else if (addr == PT_TEXT_ADDR)
+			tmp = child->mm->start_code;
+		else if (addr == PT_DATA_ADDR)
+			tmp = child->mm->start_data;
+		else if (addr == PT_TEXT_END_ADDR)
+			tmp = child->mm->end_code;
+		else if (addr == PT_TEXT_LEN)
+			tmp = child->mm->end_code - child->mm->start_code;
 		else
 			tmp = 0;
 		ret = put_user(tmp, datap);