meta-xilinx/meta-xilinx-bsp/recipes-microblaze/gdb/files/0007-Patch-microblaze-Add-slr-and-shr-regs-and-little-end.patch

From fb2af2fffb673dbb14d743c8da94c4a83b71c792 Mon Sep 17 00:00:00 2001
From: David Holsgrove <david.holsgrove@xilinx.com>
Date: Mon, 26 Nov 2012 17:39:17 +1000
Subject: [PATCH 07/16] [Patch, microblaze]: Add slr and shr regs and
 little-endian breakpoint

Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
Upstream-Status: Pending
---
 gdb/microblaze-tdep.c             | 10 ++++++++--
 gdb/microblaze-tdep.h             |  6 ++++--
 gdb/regformats/reg-microblaze.dat |  2 ++
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/gdb/microblaze-tdep.c b/gdb/microblaze-tdep.c
index 1c6dbfe..0ce4947 100644
--- a/gdb/microblaze-tdep.c
+++ b/gdb/microblaze-tdep.c
@@ -73,7 +73,8 @@ static const char *microblaze_register_names[] =
   "rpc",  "rmsr", "rear", "resr", "rfsr", "rbtr",
   "rpvr0", "rpvr1", "rpvr2", "rpvr3", "rpvr4", "rpvr5", "rpvr6",
   "rpvr7", "rpvr8", "rpvr9", "rpvr10", "rpvr11",
-  "redr", "rpid", "rzpr", "rtlbx", "rtlbsx", "rtlblo", "rtlbhi"
+  "redr", "rpid", "rzpr", "rtlbx", "rtlbsx", "rtlblo", "rtlbhi",
+  "rslr", "rshr"
 };
 
 #define MICROBLAZE_NUM_REGS ARRAY_SIZE (microblaze_register_names)
@@ -201,10 +202,15 @@ static const gdb_byte *
 microblaze_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pc, 
 			       int *len)
 {
+  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
   static gdb_byte break_insn[] = MICROBLAZE_BREAKPOINT;
+  static gdb_byte break_insn_le[] = MICROBLAZE_BREAKPOINT_LE;
 
   *len = sizeof (break_insn);
-  return break_insn;
+  if (byte_order == BFD_ENDIAN_BIG)
+    return break_insn;
+  else
+    return break_insn_le;
 }
 
 /* Allocate and initialize a frame cache.  */
diff --git a/gdb/microblaze-tdep.h b/gdb/microblaze-tdep.h
index 98aa0f5..cd32e9f 100644
--- a/gdb/microblaze-tdep.h
+++ b/gdb/microblaze-tdep.h
@@ -56,7 +56,7 @@ struct microblaze_frame_cache
   int fp_regnum;
 
   /* Offsets to saved registers.  */
-  int register_offsets[57];	/* Must match MICROBLAZE_NUM_REGS.  */
+  int register_offsets[59];	/* Must match MICROBLAZE_NUM_REGS.  */
 
   /* Table of saved registers.  */
   struct trad_frame_saved_reg *saved_regs;
@@ -121,7 +121,9 @@ enum microblaze_regnum
   MICROBLAZE_RTLBX_REGNUM,
   MICROBLAZE_RTLBSX_REGNUM,
   MICROBLAZE_RTLBLO_REGNUM,
-  MICROBLAZE_RTLBHI_REGNUM
+  MICROBLAZE_RTLBHI_REGNUM,
+  MICROBLAZE_SLR_REGNUM,
+  MICROBLAZE_SHR_REGNUM
 };
 
 /* All registers are 32 bits.  */
diff --git a/gdb/regformats/reg-microblaze.dat b/gdb/regformats/reg-microblaze.dat
index a5dd0a0..bd8a438 100644
--- a/gdb/regformats/reg-microblaze.dat
+++ b/gdb/regformats/reg-microblaze.dat
@@ -37,3 +37,5 @@ expedite:r1,pc
 32:ear
 32:esr
 32:fsr
+32:slr
+32:shr
-- 
1.9.0