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 f7b22dd..3392e83 100644 (file)
--- 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);