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From: David Holsgrove <david.holsgrove@xilinx.com>
Date: Thu, 7 Nov 2013 16:58:48 +1000
Subject: microblaze: Handle framless functions in determining
prev reg
Add check for cache->frameless_p in microblaze_frame_prev_register
to handle frameless functions, and correct the behaviour of using
'next' to step through debugging
Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
Signed-off-by: Nagaraju Mekala <nagaraju.mekala@xilinx.com>
Upstream-Status: Pending
---
gdb/microblaze-tdep.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c
index f4b48a6..a85adea6 100644
--- a/gdb/microblaze-tdep.c
+++ b/gdb/microblaze-tdep.c
@@ -577,6 +577,16 @@ microblaze_frame_prev_register (struct frame_info *this_frame,
return frame_unwind_got_constant (this_frame, regnum,
cache->register_offsets[MICROBLAZE_SP_REGNUM]);
+ if (cache->frameless_p)
+ {
+ if (regnum == MICROBLAZE_PC_REGNUM)
+ regnum = 15;
+ if (regnum == MICROBLAZE_SP_REGNUM)
+ regnum = 1;
+ return trad_frame_get_prev_register (this_frame,
+ cache->saved_regs, regnum);
+ }
+
if (regnum == MICROBLAZE_PC_REGNUM)
{
regnum = 15;
--
1.7.9.5
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