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[patch/rfc] Eliminate PRINT_REGISTER_HOOK from SPARC


Hello,

The last one. Slightly more tricky than the others as the not 100% multi-arch SPARC has two variants.

The change itself is mechanical, just need to double check it works on a Solaris box.

Again, baring comments, I'll commit it in a few days.

Andrew
2002-10-23  Andrew Cagney  <cagney@redhat.com>

	* sparc-tdep.c (sparc_print_register_hook): Make static.
	(sparc_print_registers_info): New function.
	(sparc_do_registers_info): New function.
	(sparclet_print_registers_info): New function.
	(sparclet_do_registers_info): New function.
	(do_sparc_print_registers_info): New function.
	(sparc_print_registers): New static function, clone of infcmd.c's
	default_print_registers_info.
	* config/sparc/tm-sparclet.h (PRINT_REGISTER_HOOK): Delete macro.
	(sparclet_do_registers_info): Declare.
	(DO_REGISTERS_INFO): Re-define.
	* config/sparc/tm-sparc.h (DO_REGISTERS_INFO): Re-define.
	(sparc_do_registers_info): Declare.
	(PRINT_REGISTER_HOOK): Delete macro.
	(sparc_print_register_hook): Delete declaration.

Index: sparc-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/sparc-tdep.c,v
retrieving revision 1.39
diff -u -r1.39 sparc-tdep.c
--- sparc-tdep.c	24 Aug 2002 00:21:35 -0000	1.39
+++ sparc-tdep.c	23 Oct 2002 19:37:11 -0000
@@ -1858,7 +1858,7 @@
    Pretty print various registers.  */
 /* FIXME: Would be nice if this did some fancy things for 32 bit sparc.  */
 
-void
+static void
 sparc_print_register_hook (int regno)
 {
   ULONGEST val;
@@ -2028,6 +2028,146 @@
 
 #undef BITS
 }
+
+static void
+sparc_print_registers (struct gdbarch *gdbarch,
+		       struct ui_file *file,
+		       struct frame_info *frame,
+		       int regnum, int print_all,
+		       void (*print_register_hook) (int))
+{
+  int i;
+  const int numregs = NUM_REGS + NUM_PSEUDO_REGS;
+  char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
+  char *virtual_buffer = alloca (MAX_REGISTER_VIRTUAL_SIZE);
+
+  for (i = 0; i < numregs; i++)
+    {
+      /* Decide between printing all regs, non-float / vector regs, or
+         specific reg.  */
+      if (regnum == -1)
+	{
+	  if (!print_all)
+	    {
+	      if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
+		continue;
+	      if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)))
+		continue;
+	    }
+	}
+      else
+	{
+	  if (i != regnum)
+	    continue;
+	}
+
+      /* If the register name is empty, it is undefined for this
+         processor, so don't display anything.  */
+      if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
+	continue;
+
+      fputs_filtered (REGISTER_NAME (i), file);
+      print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file);
+
+      /* Get the data in raw format.  */
+      if (! frame_register_read (frame, i, raw_buffer))
+	{
+	  fprintf_filtered (file, "*value not available*\n");
+	  continue;
+	}
+
+      /* FIXME: cagney/2002-08-03: This code shouldn't be necessary.
+         The function frame_register_read() should have returned the
+         pre-cooked register so no conversion is necessary.  */
+      /* Convert raw data to virtual format if necessary.  */
+      if (REGISTER_CONVERTIBLE (i))
+	{
+	  REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
+				       raw_buffer, virtual_buffer);
+	}
+      else
+	{
+	  memcpy (virtual_buffer, raw_buffer,
+		  REGISTER_VIRTUAL_SIZE (i));
+	}
+
+      /* If virtual format is floating, print it that way, and in raw
+         hex.  */
+      if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
+	{
+	  int j;
+
+	  val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+		     file, 0, 1, 0, Val_pretty_default);
+
+	  fprintf_filtered (file, "\t(raw 0x");
+	  for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
+	    {
+	      int idx;
+	      if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+		idx = j;
+	      else
+		idx = REGISTER_RAW_SIZE (i) - 1 - j;
+	      fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]);
+	    }
+	  fprintf_filtered (file, ")");
+	}
+      else
+	{
+	  /* Print the register in hex.  */
+	  val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+		     file, 'x', 1, 0, Val_pretty_default);
+          /* If not a vector register, print it also according to its
+             natural format.  */
+	  if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)) == 0)
+	    {
+	      fprintf_filtered (file, "\t");
+	      val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+			 file, 0, 1, 0, Val_pretty_default);
+	    }
+	}
+
+      /* Some sparc specific info.  */
+      if (print_register_hook != NULL)
+	print_register_hook (i);
+
+      fprintf_filtered (file, "\n");
+    }
+}
+
+static void
+sparc_print_registers_info (struct gdbarch *gdbarch,
+			    struct ui_file *file,
+			    struct frame_info *frame,
+			    int regnum, int print_all)
+{
+  sparc_print_registers (gdbarch, file, frame, regnum, print_all,
+			 sparc_print_register_hook);
+}
+
+void
+sparc_do_registers_info (int regnum, int all)
+{
+  sparc_print_registers_info (current_gdbarch, gdb_stdout, selected_frame,
+			      regnum, all);
+}
+
+static void
+sparclet_print_registers_info (struct gdbarch *gdbarch,
+			       struct ui_file *file,
+			       struct frame_info *frame,
+			       int regnum, int print_all)
+{
+  sparc_print_registers (gdbarch, file, frame, regnum, print_all, NULL);
+}
+
+void
+sparclet_do_registers_info (int regnum, int all)
+{
+  sparclet_print_registers_info (current_gdbarch, gdb_stdout, selected_frame,
+				 regnum, all);
+}
+
 
 int
 gdb_print_insn_sparc (bfd_vma memaddr, disassemble_info *info)
Index: config/sparc/tm-sparc.h
===================================================================
RCS file: /cvs/src/src/gdb/config/sparc/tm-sparc.h,v
retrieving revision 1.18
diff -u -r1.18 tm-sparc.h
--- config/sparc/tm-sparc.h	24 Aug 2002 00:21:36 -0000	1.18
+++ config/sparc/tm-sparc.h	23 Oct 2002 19:37:11 -0000
@@ -736,14 +736,9 @@
 #define SETUP_ARBITRARY_FRAME(argc, argv) setup_arbitrary_frame (argc, argv)
 extern struct frame_info *setup_arbitrary_frame (int, CORE_ADDR *);
 
-/* To print every pair of float registers as a double, we use this hook.
-   We also print the condition code registers in a readable format
-   (FIXME: can expand this to all control regs).  */
-
-#undef 	PRINT_REGISTER_HOOK
-#define	PRINT_REGISTER_HOOK(regno)	\
-  sparc_print_register_hook (regno)
-extern void sparc_print_register_hook (int regno);
+extern void sparc_do_registers_info (int regnum, int all);
+#undef DO_REGISTERS_INFO
+#define DO_REGISTERS_INFO(REGNUM,ALL) sparc_do_registers_info (REGNUM, ALL)
 
 /* Optimization for storing registers to the inferior.  The hook
    DO_DEFERRED_STORES
Index: config/sparc/tm-sparclet.h
===================================================================
RCS file: /cvs/src/src/gdb/config/sparc/tm-sparclet.h,v
retrieving revision 1.8
diff -u -r1.8 tm-sparclet.h
--- config/sparc/tm-sparclet.h	24 Aug 2002 00:21:36 -0000	1.8
+++ config/sparc/tm-sparclet.h	23 Oct 2002 19:37:11 -0000
@@ -127,8 +127,10 @@
 
 #endif /* GDB_MULTI_ARCH */
 
-#undef PRINT_REGISTER_HOOK
-#define PRINT_REGISTER_HOOK(regno)
+extern void sparclet_do_registers_info (int regnum, int all);
+#undef DO_REGISTERS_INFO
+#define DO_REGISTERS_INFO(REGNUM,ALL) sparclet_do_registers_info (REGNUM, ALL)
+
 
 /* Offsets into jmp_buf.  Not defined by Sun, but at least documented in a
    comment in <machine/setjmp.h>! */

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