[PATCH 11/13] gdbarch software_single_step frame_info to regcache: tic6x

[Yao Qi <qiyaoltc at gmail dot com>]

gdb:

2016-11-10  Yao Qi  <yao.qi@linaro.org>

	* tic6x-tdep.c (tic6x_condition_true): Replace frame with
	regcache.  Call regcache_raw_get_signed instead of
	get_frame_register_signed.
	(tic6x_get_next_pc): Likewise.  Caller updated.
---
 gdb/tic6x-tdep.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/gdb/tic6x-tdep.c b/gdb/tic6x-tdep.c
index 399795c..145534a 100644
--- a/gdb/tic6x-tdep.c
+++ b/gdb/tic6x-tdep.c
@@ -563,7 +563,7 @@ tic6x_fetch_instruction (struct gdbarch *gdbarch, CORE_ADDR pc)
    return 1 if INST is not a conditional instruction.  */
 
 static int
-tic6x_condition_true (struct frame_info *frame, unsigned long inst)
+tic6x_condition_true (struct regcache *regcache, unsigned long inst)
 {
   int register_number;
   int register_value;
@@ -573,7 +573,7 @@ tic6x_condition_true (struct frame_info *frame, unsigned long inst)
   if (register_number == -1)
     return 1;
 
-  register_value = get_frame_register_signed (frame, register_number);
+  register_value = regcache_raw_get_signed (regcache, register_number);
   if ((inst & 0x10000000) != 0)
     return register_value == 0;
   return register_value != 0;
@@ -604,9 +604,9 @@ tic6x_extract_signed_field (int value, int low_bit, int bits)
 /* Determine where to set a single step breakpoint.  */
 
 static CORE_ADDR
-tic6x_get_next_pc (struct frame_info *frame, CORE_ADDR pc)
+tic6x_get_next_pc (struct regcache *regcache, CORE_ADDR pc)
 {
-  struct gdbarch *gdbarch = get_frame_arch (frame);
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
   unsigned long inst;
   int register_number;
   int last = 0;
@@ -622,10 +622,10 @@ tic6x_get_next_pc (struct frame_info *frame, CORE_ADDR pc)
 	  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
 
 	  if (tdep->syscall_next_pc != NULL)
-	    return tdep->syscall_next_pc (frame);
+	    return tdep->syscall_next_pc (get_current_frame ());
 	}
 
-      if (tic6x_condition_true (frame, inst))
+      if (tic6x_condition_true (regcache, inst))
 	{
 	  if ((inst & 0x0000007c) == 0x00000010)
 	    {
@@ -641,7 +641,7 @@ tic6x_get_next_pc (struct frame_info *frame, CORE_ADDR pc)
 	      register_number = tic6x_register_number ((inst >> 18) & 0x1f,
 						       INST_S_BIT (inst),
 						       INST_X_BIT (inst));
-	      pc = get_frame_register_unsigned (frame, register_number);
+	      pc = regcache_raw_get_unsigned (regcache, register_number);
 	      break;
 	    }
 	  if ((inst & 0x00001ffc) == 0x00001020)
@@ -649,7 +649,7 @@ tic6x_get_next_pc (struct frame_info *frame, CORE_ADDR pc)
 	      /* BDEC */
 	      register_number = tic6x_register_number ((inst >> 23) & 0x1f,
 						       INST_S_BIT (inst), 0);
-	      if (get_frame_register_signed (frame, register_number) >= 0)
+	      if (regcache_raw_get_signed (regcache, register_number) >= 0)
 		{
 		  pc &= ~(TIC6X_FETCH_PACKET_SIZE - 1);
 		  pc += tic6x_extract_signed_field (inst, 7, 10) << 2;
@@ -668,7 +668,7 @@ tic6x_get_next_pc (struct frame_info *frame, CORE_ADDR pc)
 	      /* BNOP with register */
 	      register_number = tic6x_register_number ((inst >> 18) & 0x1f,
 						       1, INST_X_BIT (inst));
-	      pc = get_frame_register_unsigned (frame, register_number);
+	      pc = regcache_raw_get_unsigned (regcache, register_number);
 	      break;
 	    }
 	  if ((inst & 0x00001ffc) == 0x00000020)
@@ -676,7 +676,7 @@ tic6x_get_next_pc (struct frame_info *frame, CORE_ADDR pc)
 	      /* BPOS */
 	      register_number = tic6x_register_number ((inst >> 23) & 0x1f,
 						       INST_S_BIT (inst), 0);
-	      if (get_frame_register_signed (frame, register_number) >= 0)
+	      if (regcache_raw_get_signed (regcache, register_number) >= 0)
 		{
 		  pc &= ~(TIC6X_FETCH_PACKET_SIZE - 1);
 		  pc += tic6x_extract_signed_field (inst, 13, 10) << 2;
@@ -702,7 +702,8 @@ tic6x_get_next_pc (struct frame_info *frame, CORE_ADDR pc)
 static VEC (CORE_ADDR) *
 tic6x_software_single_step (struct frame_info *frame)
 {
-  CORE_ADDR next_pc = tic6x_get_next_pc (frame, get_frame_pc (frame));
+  struct regcache *regcache = get_current_regcache ();
+  CORE_ADDR next_pc = tic6x_get_next_pc (regcache, regcache_read_pc (regcache));
   VEC (CORE_ADDR) *next_pcs = NULL;
 
   VEC_safe_push (CORE_ADDR, next_pcs, next_pc);
-- 
1.9.1