Rename some frame unwind function parameters

I am currently working with these functions, and though this renaming
could help to reason about the code.  Some functions take a frame and
will return the value associated to that frame, others will return the
value associated to the previous frame.  Those usually conveniently
contain "unwind" in their name, but naming the variable next_frame
instead of frame helps remembering which frame we are dealing with.

I also included a little typo fix at the top of frame.h.

gdb/ChangeLog:

	* frame.c (frame_register_unwind): Change parameter name.
	(frame_unwind_register): Likewise.
	(frame_unwind_register_value): Likewise.
	(frame_unwind_register_signed): Likewise.
	(frame_unwind_register_unsigned): Likewise.
	* frame.h (frame_register_unwind): Likewise.
	(frame_unwind_register): Likewise.
	(frame_unwind_register_value): Likewise.
	(frame_unwind_register_signed): Likewise.
	(frame_unwind_register_unsigned): Likewise.
	(frame_unwind_arch): Likewise.

1 files changed, 19 insertions, 17 deletions

diff --git a/gdb/frame.c b/gdb/frame.c
index 1fe882c..0dc2cb7 100644
--- a/gdb/frame.c
+++ b/gdb/frame.c
@@ -1091,7 +1091,7 @@ frame_pop (struct frame_info *this_frame)
 }
 
 void
-frame_register_unwind (struct frame_info *frame, int regnum,
+frame_register_unwind (frame_info *next_frame, int regnum,
 		       int *optimizedp, int *unavailablep,
 		       enum lval_type *lvalp, CORE_ADDR *addrp,
 		       int *realnump, gdb_byte *bufferp)
@@ -1106,7 +1106,7 @@ frame_register_unwind (struct frame_info *frame, int regnum,
   gdb_assert (realnump != NULL);
   /* gdb_assert (bufferp != NULL); */
 
-  value = frame_unwind_register_value (frame, regnum);
+  value = frame_unwind_register_value (next_frame, regnum);
 
   gdb_assert (value != NULL);
 
@@ -1154,7 +1154,7 @@ frame_register (struct frame_info *frame, int regnum,
 }
 
 void
-frame_unwind_register (struct frame_info *frame, int regnum, gdb_byte *buf)
+frame_unwind_register (frame_info *next_frame, int regnum, gdb_byte *buf)
 {
   int optimized;
   int unavailable;
@@ -1162,7 +1162,7 @@ frame_unwind_register (struct frame_info *frame, int regnum, gdb_byte *buf)
   int realnum;
   enum lval_type lval;
 
-  frame_register_unwind (frame, regnum, &optimized, &unavailable,
+  frame_register_unwind (next_frame, regnum, &optimized, &unavailable,
 			 &lval, &addr, &realnum, buf);
 
   if (optimized)
@@ -1181,29 +1181,31 @@ get_frame_register (struct frame_info *frame,
 }
 
 struct value *
-frame_unwind_register_value (struct frame_info *frame, int regnum)
+frame_unwind_register_value (frame_info *next_frame, int regnum)
 {
   struct gdbarch *gdbarch;
   struct value *value;
 
-  gdb_assert (frame != NULL);
-  gdbarch = frame_unwind_arch (frame);
+  gdb_assert (next_frame != NULL);
+  gdbarch = frame_unwind_arch (next_frame);
 
   if (frame_debug)
     {
       fprintf_unfiltered (gdb_stdlog,
 			  "{ frame_unwind_register_value "
 			  "(frame=%d,regnum=%d(%s),...) ",
-			  frame->level, regnum,
+			  next_frame->level, regnum,
 			  user_reg_map_regnum_to_name (gdbarch, regnum));
     }
 
   /* Find the unwinder.  */
-  if (frame->unwind == NULL)
-    frame_unwind_find_by_frame (frame, &frame->prologue_cache);
+  if (next_frame->unwind == NULL)
+    frame_unwind_find_by_frame (next_frame, &next_frame->prologue_cache);
 
   /* Ask this frame to unwind its register.  */
-  value = frame->unwind->prev_register (frame, &frame->prologue_cache, regnum);
+  value = next_frame->unwind->prev_register (next_frame,
+					     &next_frame->prologue_cache,
+					     regnum);
 
   if (frame_debug)
     {
@@ -1253,12 +1255,12 @@ get_frame_register_value (struct frame_info *frame, int regnum)
 }
 
 LONGEST
-frame_unwind_register_signed (struct frame_info *frame, int regnum)
+frame_unwind_register_signed (frame_info *next_frame, int regnum)
 {
-  struct gdbarch *gdbarch = frame_unwind_arch (frame);
+  struct gdbarch *gdbarch = frame_unwind_arch (next_frame);
   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
   int size = register_size (gdbarch, regnum);
-  struct value *value = frame_unwind_register_value (frame, regnum);
+  struct value *value = frame_unwind_register_value (next_frame, regnum);
 
   gdb_assert (value != NULL);
 
@@ -1287,12 +1289,12 @@ get_frame_register_signed (struct frame_info *frame, int regnum)
 }
 
 ULONGEST
-frame_unwind_register_unsigned (struct frame_info *frame, int regnum)
+frame_unwind_register_unsigned (frame_info *next_frame, int regnum)
 {
-  struct gdbarch *gdbarch = frame_unwind_arch (frame);
+  struct gdbarch *gdbarch = frame_unwind_arch (next_frame);
   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
   int size = register_size (gdbarch, regnum);
-  struct value *value = frame_unwind_register_value (frame, regnum);
+  struct value *value = frame_unwind_register_value (next_frame, regnum);
 
   gdb_assert (value != NULL);