Build unavailable-stack frames for tracepoint.
[deliverable/binutils-gdb.git] / gdb / valprint.c
index 9a70b2f208c71c8e7897c7f7ec73736d6d2abfd8..a9b03ec0dc6fd3941e8b3ea8253f69c46cd1269a 100644 (file)
@@ -1,6 +1,6 @@
 /* Print values for GDB, the GNU debugger.
 
-   Copyright (C) 1986-2015 Free Software Foundation, Inc.
+   Copyright (C) 1986-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -34,6 +34,7 @@
 #include "ada-lang.h"
 #include "gdb_obstack.h"
 #include "charset.h"
+#include "typeprint.h"
 #include <ctype.h>
 
 /* Maximum number of wchars returned from wchar_iterate.  */
@@ -274,11 +275,11 @@ show_symbol_print (struct ui_file *file, int from_tty,
 int
 val_print_scalar_type_p (struct type *type)
 {
-  CHECK_TYPEDEF (type);
+  type = check_typedef (type);
   while (TYPE_CODE (type) == TYPE_CODE_REF)
     {
       type = TYPE_TARGET_TYPE (type);
-      CHECK_TYPEDEF (type);
+      type = check_typedef (type);
     }
   switch (TYPE_CODE (type))
     {
@@ -301,7 +302,19 @@ valprint_check_validity (struct ui_file *stream,
                         int embedded_offset,
                         const struct value *val)
 {
-  CHECK_TYPEDEF (type);
+  type = check_typedef (type);
+
+  if (type_not_associated (type))
+    {
+      val_print_not_associated (stream);
+      return 0;
+    }
+
+  if (type_not_allocated (type))
+    {
+      val_print_not_allocated (stream);
+      return 0;
+    }
 
   if (TYPE_CODE (type) != TYPE_CODE_UNION
       && TYPE_CODE (type) != TYPE_CODE_STRUCT
@@ -359,209 +372,265 @@ val_print_invalid_address (struct ui_file *stream)
   fprintf_filtered (stream, _("<invalid address>"));
 }
 
-/* A generic val_print that is suitable for use by language
-   implementations of the la_val_print method.  This function can
-   handle most type codes, though not all, notably exception
-   TYPE_CODE_UNION and TYPE_CODE_STRUCT, which must be implemented by
-   the caller.
-   
-   Most arguments are as to val_print.
-   
-   The additional DECORATIONS argument can be used to customize the
-   output in some small, language-specific ways.  */
+/* Print a pointer based on the type of its target.
 
-void
-generic_val_print (struct type *type, const gdb_byte *valaddr,
+   Arguments to this functions are roughly the same as those in
+   generic_val_print.  A difference is that ADDRESS is the address to print,
+   with embedded_offset already added.  ELTTYPE represents
+   the pointed type after check_typedef.  */
+
+static void
+print_unpacked_pointer (struct type *type, struct type *elttype,
+                       CORE_ADDR address, struct ui_file *stream,
+                       const struct value_print_options *options)
+{
+  struct gdbarch *gdbarch = get_type_arch (type);
+
+  if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
+    {
+      /* Try to print what function it points to.  */
+      print_function_pointer_address (options, gdbarch, address, stream);
+      return;
+    }
+
+  if (options->symbol_print)
+    print_address_demangle (options, gdbarch, address, stream, demangle);
+  else if (options->addressprint)
+    fputs_filtered (paddress (gdbarch, address), stream);
+}
+
+/* generic_val_print helper for TYPE_CODE_ARRAY.  */
+
+static void
+generic_val_print_array (struct type *type, const gdb_byte *valaddr,
                   int embedded_offset, CORE_ADDR address,
                   struct ui_file *stream, int recurse,
                   const struct value *original_value,
-                  const struct value_print_options *options,
-                  const struct generic_val_print_decorations *decorations)
+                  const struct value_print_options *options)
 {
-  struct gdbarch *gdbarch = get_type_arch (type);
-  unsigned int i = 0;  /* Number of characters printed.  */
-  unsigned len;
-  struct type *elttype, *unresolved_elttype;
-  struct type *unresolved_type = type;
-  LONGEST val;
-  CORE_ADDR addr;
+  struct type *unresolved_elttype = TYPE_TARGET_TYPE (type);
+  struct type *elttype = check_typedef (unresolved_elttype);
 
-  CHECK_TYPEDEF (type);
-  switch (TYPE_CODE (type))
+  if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0)
     {
-    case TYPE_CODE_ARRAY:
-      unresolved_elttype = TYPE_TARGET_TYPE (type);
-      elttype = check_typedef (unresolved_elttype);
-      if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0)
+      LONGEST low_bound, high_bound;
+
+      if (!get_array_bounds (type, &low_bound, &high_bound))
+       error (_("Could not determine the array high bound"));
+
+      if (options->prettyformat_arrays)
        {
-          LONGEST low_bound, high_bound;
+         print_spaces_filtered (2 + 2 * recurse, stream);
+       }
 
-          if (!get_array_bounds (type, &low_bound, &high_bound))
-            error (_("Could not determine the array high bound"));
+      fprintf_filtered (stream, "{");
+      val_print_array_elements (type, valaddr, embedded_offset,
+                               address, stream,
+                               recurse, original_value, options, 0);
+      fprintf_filtered (stream, "}");
+    }
+  else
+    {
+      /* Array of unspecified length: treat like pointer to first elt.  */
+      print_unpacked_pointer (type, elttype, address + embedded_offset, stream,
+                             options);
+    }
 
-         if (options->prettyformat_arrays)
-           {
-             print_spaces_filtered (2 + 2 * recurse, stream);
-           }
+}
 
-         fprintf_filtered (stream, "{");
-         val_print_array_elements (type, valaddr, embedded_offset,
-                                   address, stream,
-                                   recurse, original_value, options, 0);
-         fprintf_filtered (stream, "}");
-         break;
-       }
-      /* Array of unspecified length: treat like pointer to first
-        elt.  */
-      addr = address + embedded_offset;
-      goto print_unpacked_pointer;
+/* generic_val_print helper for TYPE_CODE_PTR.  */
 
-    case TYPE_CODE_MEMBERPTR:
+static void
+generic_val_print_ptr (struct type *type, const gdb_byte *valaddr,
+                      int embedded_offset, struct ui_file *stream,
+                      const struct value *original_value,
+                      const struct value_print_options *options)
+{
+  struct gdbarch *gdbarch = get_type_arch (type);
+  int unit_size = gdbarch_addressable_memory_unit_size (gdbarch);
+
+  if (options->format && options->format != 's')
+    {
       val_print_scalar_formatted (type, valaddr, embedded_offset,
                                  original_value, options, 0, stream);
-      break;
+    }
+  else
+    {
+      struct type *unresolved_elttype = TYPE_TARGET_TYPE(type);
+      struct type *elttype = check_typedef (unresolved_elttype);
+      CORE_ADDR addr = unpack_pointer (type,
+                                      valaddr + embedded_offset * unit_size);
 
-    case TYPE_CODE_PTR:
-      if (options->format && options->format != 's')
-       {
-         val_print_scalar_formatted (type, valaddr, embedded_offset,
-                                     original_value, options, 0, stream);
-         break;
-       }
-      unresolved_elttype = TYPE_TARGET_TYPE (type);
-      elttype = check_typedef (unresolved_elttype);
-       {
-         addr = unpack_pointer (type, valaddr + embedded_offset);
-       print_unpacked_pointer:
+      print_unpacked_pointer (type, elttype, addr, stream, options);
+    }
+}
 
-         if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
-           {
-             /* Try to print what function it points to.  */
-             print_function_pointer_address (options, gdbarch, addr, stream);
-             return;
-           }
 
-         if (options->symbol_print)
-           print_address_demangle (options, gdbarch, addr, stream, demangle);
-         else if (options->addressprint)
-           fputs_filtered (paddress (gdbarch, addr), stream);
-       }
-      break;
+/* generic_val_print helper for TYPE_CODE_MEMBERPTR.  */
 
-    case TYPE_CODE_REF:
-      elttype = check_typedef (TYPE_TARGET_TYPE (type));
-      if (options->addressprint)
-       {
-         CORE_ADDR addr
-           = extract_typed_address (valaddr + embedded_offset, type);
+static void
+generic_val_print_memberptr (struct type *type, const gdb_byte *valaddr,
+                            int embedded_offset, struct ui_file *stream,
+                            const struct value *original_value,
+                            const struct value_print_options *options)
+{
+  val_print_scalar_formatted (type, valaddr, embedded_offset,
+                             original_value, options, 0, stream);
+}
 
-         fprintf_filtered (stream, "@");
-         fputs_filtered (paddress (gdbarch, addr), stream);
-         if (options->deref_ref)
-           fputs_filtered (": ", stream);
-       }
-      /* De-reference the reference.  */
+/* generic_val_print helper for TYPE_CODE_REF.  */
+
+static void
+generic_val_print_ref (struct type *type, const gdb_byte *valaddr,
+                      int embedded_offset, struct ui_file *stream, int recurse,
+                      const struct value *original_value,
+                      const struct value_print_options *options)
+{
+  struct gdbarch *gdbarch = get_type_arch (type);
+  struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type));
+
+  if (options->addressprint)
+    {
+      CORE_ADDR addr
+       = extract_typed_address (valaddr + embedded_offset, type);
+
+      fprintf_filtered (stream, "@");
+      fputs_filtered (paddress (gdbarch, addr), stream);
       if (options->deref_ref)
+       fputs_filtered (": ", stream);
+    }
+  /* De-reference the reference.  */
+  if (options->deref_ref)
+    {
+      if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
        {
-         if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
-           {
-             struct value *deref_val;
+         struct value *deref_val;
 
-             deref_val = coerce_ref_if_computed (original_value);
-             if (deref_val != NULL)
-               {
-                 /* More complicated computed references are not supported.  */
-                 gdb_assert (embedded_offset == 0);
-               }
-             else
-               deref_val = value_at (TYPE_TARGET_TYPE (type),
-                                     unpack_pointer (type,
-                                                     (valaddr
-                                                      + embedded_offset)));
-
-             common_val_print (deref_val, stream, recurse, options,
-                               current_language);
+         deref_val = coerce_ref_if_computed (original_value);
+         if (deref_val != NULL)
+           {
+             /* More complicated computed references are not supported.  */
+             gdb_assert (embedded_offset == 0);
            }
          else
-           fputs_filtered ("???", stream);
+           deref_val = value_at (TYPE_TARGET_TYPE (type),
+                                 unpack_pointer (type,
+                                                 (valaddr
+                                                  + embedded_offset)));
+
+         common_val_print (deref_val, stream, recurse, options,
+                           current_language);
        }
-      break;
+      else
+       fputs_filtered ("???", stream);
+    }
+}
 
-    case TYPE_CODE_ENUM:
-      if (options->format)
+/* generic_val_print helper for TYPE_CODE_ENUM.  */
+
+static void
+generic_val_print_enum (struct type *type, const gdb_byte *valaddr,
+                       int embedded_offset, struct ui_file *stream,
+                       const struct value *original_value,
+                       const struct value_print_options *options)
+{
+  unsigned int i;
+  unsigned int len;
+  LONGEST val;
+  struct gdbarch *gdbarch = get_type_arch (type);
+  int unit_size = gdbarch_addressable_memory_unit_size (gdbarch);
+
+  if (options->format)
+    {
+      val_print_scalar_formatted (type, valaddr, embedded_offset,
+                                 original_value, options, 0, stream);
+      return;
+    }
+  len = TYPE_NFIELDS (type);
+  val = unpack_long (type, valaddr + embedded_offset * unit_size);
+  for (i = 0; i < len; i++)
+    {
+      QUIT;
+      if (val == TYPE_FIELD_ENUMVAL (type, i))
        {
-         val_print_scalar_formatted (type, valaddr, embedded_offset,
-                                     original_value, options, 0, stream);
          break;
        }
-      len = TYPE_NFIELDS (type);
-      val = unpack_long (type, valaddr + embedded_offset);
-      for (i = 0; i < len; i++)
+    }
+  if (i < len)
+    {
+      fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
+    }
+  else if (TYPE_FLAG_ENUM (type))
+    {
+      int first = 1;
+
+      /* We have a "flag" enum, so we try to decompose it into
+        pieces as appropriate.  A flag enum has disjoint
+        constants by definition.  */
+      fputs_filtered ("(", stream);
+      for (i = 0; i < len; ++i)
        {
          QUIT;
-         if (val == TYPE_FIELD_ENUMVAL (type, i))
+
+         if ((val & TYPE_FIELD_ENUMVAL (type, i)) != 0)
            {
-             break;
+             if (!first)
+               fputs_filtered (" | ", stream);
+             first = 0;
+
+             val &= ~TYPE_FIELD_ENUMVAL (type, i);
+             fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
            }
        }
-      if (i < len)
+
+      if (first || val != 0)
        {
-         fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
+         if (!first)
+           fputs_filtered (" | ", stream);
+         fputs_filtered ("unknown: ", stream);
+         print_longest (stream, 'd', 0, val);
        }
-      else if (TYPE_FLAG_ENUM (type))
-       {
-         int first = 1;
 
-         /* We have a "flag" enum, so we try to decompose it into
-            pieces as appropriate.  A flag enum has disjoint
-            constants by definition.  */
-         fputs_filtered ("(", stream);
-         for (i = 0; i < len; ++i)
-           {
-             QUIT;
+      fputs_filtered (")", stream);
+    }
+  else
+    print_longest (stream, 'd', 0, val);
+}
 
-             if ((val & TYPE_FIELD_ENUMVAL (type, i)) != 0)
-               {
-                 if (!first)
-                   fputs_filtered (" | ", stream);
-                 first = 0;
+/* generic_val_print helper for TYPE_CODE_FLAGS.  */
 
-                 val &= ~TYPE_FIELD_ENUMVAL (type, i);
-                 fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
-               }
-           }
+static void
+generic_val_print_flags (struct type *type, const gdb_byte *valaddr,
+                        int embedded_offset, struct ui_file *stream,
+                        const struct value *original_value,
+                        const struct value_print_options *options)
 
-         if (first || val != 0)
-           {
-             if (!first)
-               fputs_filtered (" | ", stream);
-             fputs_filtered ("unknown: ", stream);
-             print_longest (stream, 'd', 0, val);
-           }
+{
+  if (options->format)
+    val_print_scalar_formatted (type, valaddr, embedded_offset, original_value,
+                               options, 0, stream);
+  else
+    val_print_type_code_flags (type, valaddr + embedded_offset, stream);
+}
 
-         fputs_filtered (")", stream);
-       }
-      else
-       print_longest (stream, 'd', 0, val);
-      break;
+/* generic_val_print helper for TYPE_CODE_FUNC and TYPE_CODE_METHOD.  */
 
-    case TYPE_CODE_FLAGS:
-      if (options->format)
-       val_print_scalar_formatted (type, valaddr, embedded_offset,
-                                   original_value, options, 0, stream);
-      else
-       val_print_type_code_flags (type, valaddr + embedded_offset,
-                                  stream);
-      break;
+static void
+generic_val_print_func (struct type *type, const gdb_byte *valaddr,
+                       int embedded_offset, CORE_ADDR address,
+                       struct ui_file *stream,
+                       const struct value *original_value,
+                       const struct value_print_options *options)
+{
+  struct gdbarch *gdbarch = get_type_arch (type);
 
-    case TYPE_CODE_FUNC:
-    case TYPE_CODE_METHOD:
-      if (options->format)
-       {
-         val_print_scalar_formatted (type, valaddr, embedded_offset,
-                                     original_value, options, 0, stream);
-         break;
-       }
+  if (options->format)
+    {
+      val_print_scalar_formatted (type, valaddr, embedded_offset,
+                                 original_value, options, 0, stream);
+    }
+  else
+    {
       /* FIXME, we should consider, at least for ANSI C language,
          eliminating the distinction made between FUNCs and POINTERs
          to FUNCs.  */
@@ -570,27 +639,239 @@ generic_val_print (struct type *type, const gdb_byte *valaddr,
       fprintf_filtered (stream, "} ");
       /* Try to print what function it points to, and its address.  */
       print_address_demangle (options, gdbarch, address, stream, demangle);
+    }
+}
+
+/* generic_val_print helper for TYPE_CODE_BOOL.  */
+
+static void
+generic_val_print_bool (struct type *type, const gdb_byte *valaddr,
+                       int embedded_offset, struct ui_file *stream,
+                       const struct value *original_value,
+                       const struct value_print_options *options,
+                       const struct generic_val_print_decorations *decorations)
+{
+  LONGEST val;
+  struct gdbarch *gdbarch = get_type_arch (type);
+  int unit_size = gdbarch_addressable_memory_unit_size (gdbarch);
+
+  if (options->format || options->output_format)
+    {
+      struct value_print_options opts = *options;
+      opts.format = (options->format ? options->format
+                    : options->output_format);
+      val_print_scalar_formatted (type, valaddr, embedded_offset,
+                                 original_value, &opts, 0, stream);
+    }
+  else
+    {
+      val = unpack_long (type, valaddr + embedded_offset * unit_size);
+      if (val == 0)
+       fputs_filtered (decorations->false_name, stream);
+      else if (val == 1)
+       fputs_filtered (decorations->true_name, stream);
+      else
+       print_longest (stream, 'd', 0, val);
+    }
+}
+
+/* generic_val_print helper for TYPE_CODE_INT.  */
+
+static void
+generic_val_print_int (struct type *type, const gdb_byte *valaddr,
+                      int embedded_offset, struct ui_file *stream,
+                      const struct value *original_value,
+                      const struct value_print_options *options)
+{
+  struct gdbarch *gdbarch = get_type_arch (type);
+  int unit_size = gdbarch_addressable_memory_unit_size (gdbarch);
+
+  if (options->format || options->output_format)
+    {
+      struct value_print_options opts = *options;
+
+      opts.format = (options->format ? options->format
+                    : options->output_format);
+      val_print_scalar_formatted (type, valaddr, embedded_offset,
+                                 original_value, &opts, 0, stream);
+    }
+  else
+    val_print_type_code_int (type, valaddr + embedded_offset * unit_size,
+                            stream);
+}
+
+/* generic_val_print helper for TYPE_CODE_CHAR.  */
+
+static void
+generic_val_print_char (struct type *type, struct type *unresolved_type,
+                       const gdb_byte *valaddr, int embedded_offset,
+                       struct ui_file *stream,
+                       const struct value *original_value,
+                       const struct value_print_options *options)
+{
+  LONGEST val;
+  struct gdbarch *gdbarch = get_type_arch (type);
+  int unit_size = gdbarch_addressable_memory_unit_size (gdbarch);
+
+  if (options->format || options->output_format)
+    {
+      struct value_print_options opts = *options;
+
+      opts.format = (options->format ? options->format
+                    : options->output_format);
+      val_print_scalar_formatted (type, valaddr, embedded_offset,
+                                 original_value, &opts, 0, stream);
+    }
+  else
+    {
+      val = unpack_long (type, valaddr + embedded_offset * unit_size);
+      if (TYPE_UNSIGNED (type))
+       fprintf_filtered (stream, "%u", (unsigned int) val);
+      else
+       fprintf_filtered (stream, "%d", (int) val);
+      fputs_filtered (" ", stream);
+      LA_PRINT_CHAR (val, unresolved_type, stream);
+    }
+}
+
+/* generic_val_print helper for TYPE_CODE_FLT.  */
+
+static void
+generic_val_print_float (struct type *type, const gdb_byte *valaddr,
+                        int embedded_offset, struct ui_file *stream,
+                        const struct value *original_value,
+                        const struct value_print_options *options)
+{
+  struct gdbarch *gdbarch = get_type_arch (type);
+  int unit_size = gdbarch_addressable_memory_unit_size (gdbarch);
+
+  if (options->format)
+    {
+      val_print_scalar_formatted (type, valaddr, embedded_offset,
+                                 original_value, options, 0, stream);
+    }
+  else
+    {
+      print_floating (valaddr + embedded_offset * unit_size, type, stream);
+    }
+}
+
+/* generic_val_print helper for TYPE_CODE_DECFLOAT.  */
+
+static void
+generic_val_print_decfloat (struct type *type, const gdb_byte *valaddr,
+                           int embedded_offset, struct ui_file *stream,
+                           const struct value *original_value,
+                           const struct value_print_options *options)
+{
+  struct gdbarch *gdbarch = get_type_arch (type);
+  int unit_size = gdbarch_addressable_memory_unit_size (gdbarch);
+
+  if (options->format)
+    val_print_scalar_formatted (type, valaddr, embedded_offset, original_value,
+                               options, 0, stream);
+  else
+    print_decimal_floating (valaddr + embedded_offset * unit_size, type,
+                           stream);
+}
+
+/* generic_val_print helper for TYPE_CODE_COMPLEX.  */
+
+static void
+generic_val_print_complex (struct type *type, const gdb_byte *valaddr,
+                          int embedded_offset, struct ui_file *stream,
+                          const struct value *original_value,
+                          const struct value_print_options *options,
+                          const struct generic_val_print_decorations
+                            *decorations)
+{
+  struct gdbarch *gdbarch = get_type_arch (type);
+  int unit_size = gdbarch_addressable_memory_unit_size (gdbarch);
+
+  fprintf_filtered (stream, "%s", decorations->complex_prefix);
+  if (options->format)
+    val_print_scalar_formatted (TYPE_TARGET_TYPE (type), valaddr,
+                               embedded_offset, original_value, options, 0,
+                               stream);
+  else
+    print_floating (valaddr + embedded_offset * unit_size,
+                   TYPE_TARGET_TYPE (type), stream);
+  fprintf_filtered (stream, "%s", decorations->complex_infix);
+  if (options->format)
+    val_print_scalar_formatted (TYPE_TARGET_TYPE (type), valaddr,
+                               embedded_offset
+                               + type_length_units (TYPE_TARGET_TYPE (type)),
+                               original_value, options, 0, stream);
+  else
+    print_floating (valaddr + embedded_offset * unit_size
+                   + TYPE_LENGTH (TYPE_TARGET_TYPE (type)),
+                   TYPE_TARGET_TYPE (type), stream);
+  fprintf_filtered (stream, "%s", decorations->complex_suffix);
+}
+
+/* A generic val_print that is suitable for use by language
+   implementations of the la_val_print method.  This function can
+   handle most type codes, though not all, notably exception
+   TYPE_CODE_UNION and TYPE_CODE_STRUCT, which must be implemented by
+   the caller.
+   
+   Most arguments are as to val_print.
+   
+   The additional DECORATIONS argument can be used to customize the
+   output in some small, language-specific ways.  */
+
+void
+generic_val_print (struct type *type, const gdb_byte *valaddr,
+                  int embedded_offset, CORE_ADDR address,
+                  struct ui_file *stream, int recurse,
+                  const struct value *original_value,
+                  const struct value_print_options *options,
+                  const struct generic_val_print_decorations *decorations)
+{
+  struct type *unresolved_type = type;
+
+  type = check_typedef (type);
+  switch (TYPE_CODE (type))
+    {
+    case TYPE_CODE_ARRAY:
+      generic_val_print_array (type, valaddr, embedded_offset, address, stream,
+                              recurse, original_value, options);
+      break;
+
+    case TYPE_CODE_MEMBERPTR:
+      generic_val_print_memberptr (type, valaddr, embedded_offset, stream,
+                                  original_value, options);
+      break;
+
+    case TYPE_CODE_PTR:
+      generic_val_print_ptr (type, valaddr, embedded_offset, stream,
+                            original_value, options);
+      break;
+
+    case TYPE_CODE_REF:
+      generic_val_print_ref (type, valaddr, embedded_offset, stream, recurse,
+                            original_value, options);
+      break;
+
+    case TYPE_CODE_ENUM:
+      generic_val_print_enum (type, valaddr, embedded_offset, stream,
+                             original_value, options);
+      break;
+
+    case TYPE_CODE_FLAGS:
+      generic_val_print_flags (type, valaddr, embedded_offset, stream,
+                              original_value, options);
+      break;
+
+    case TYPE_CODE_FUNC:
+    case TYPE_CODE_METHOD:
+      generic_val_print_func (type, valaddr, embedded_offset, address, stream,
+                             original_value, options);
       break;
 
     case TYPE_CODE_BOOL:
-      if (options->format || options->output_format)
-       {
-         struct value_print_options opts = *options;
-         opts.format = (options->format ? options->format
-                        : options->output_format);
-         val_print_scalar_formatted (type, valaddr, embedded_offset,
-                                     original_value, &opts, 0, stream);
-       }
-      else
-       {
-         val = unpack_long (type, valaddr + embedded_offset);
-         if (val == 0)
-           fputs_filtered (decorations->false_name, stream);
-         else if (val == 1)
-           fputs_filtered (decorations->true_name, stream);
-         else
-           print_longest (stream, 'd', 0, val);
-       }
+      generic_val_print_bool (type, valaddr, embedded_offset, stream,
+                             original_value, options, decorations);
       break;
 
     case TYPE_CODE_RANGE:
@@ -605,60 +886,23 @@ generic_val_print (struct type *type, const gdb_byte *valaddr,
       /* FALLTHROUGH */
 
     case TYPE_CODE_INT:
-      if (options->format || options->output_format)
-       {
-         struct value_print_options opts = *options;
-
-         opts.format = (options->format ? options->format
-                        : options->output_format);
-         val_print_scalar_formatted (type, valaddr, embedded_offset,
-                                     original_value, &opts, 0, stream);
-       }
-      else
-       val_print_type_code_int (type, valaddr + embedded_offset, stream);
+      generic_val_print_int (type, valaddr, embedded_offset, stream,
+                            original_value, options);
       break;
 
     case TYPE_CODE_CHAR:
-      if (options->format || options->output_format)
-       {
-         struct value_print_options opts = *options;
-
-         opts.format = (options->format ? options->format
-                        : options->output_format);
-         val_print_scalar_formatted (type, valaddr, embedded_offset,
-                                     original_value, &opts, 0, stream);
-       }
-      else
-       {
-         val = unpack_long (type, valaddr + embedded_offset);
-         if (TYPE_UNSIGNED (type))
-           fprintf_filtered (stream, "%u", (unsigned int) val);
-         else
-           fprintf_filtered (stream, "%d", (int) val);
-         fputs_filtered (" ", stream);
-         LA_PRINT_CHAR (val, unresolved_type, stream);
-       }
+      generic_val_print_char (type, unresolved_type, valaddr, embedded_offset,
+                             stream, original_value, options);
       break;
 
     case TYPE_CODE_FLT:
-      if (options->format)
-       {
-         val_print_scalar_formatted (type, valaddr, embedded_offset,
-                                     original_value, options, 0, stream);
-       }
-      else
-       {
-         print_floating (valaddr + embedded_offset, type, stream);
-       }
+      generic_val_print_float (type, valaddr, embedded_offset, stream,
+                              original_value, options);
       break;
 
     case TYPE_CODE_DECFLOAT:
-      if (options->format)
-       val_print_scalar_formatted (type, valaddr, embedded_offset,
-                                   original_value, options, 0, stream);
-      else
-       print_decimal_floating (valaddr + embedded_offset,
-                               type, stream);
+      generic_val_print_decfloat (type, valaddr, embedded_offset, stream,
+                                 original_value, options);
       break;
 
     case TYPE_CODE_VOID:
@@ -678,29 +922,8 @@ generic_val_print (struct type *type, const gdb_byte *valaddr,
       break;
 
     case TYPE_CODE_COMPLEX:
-      fprintf_filtered (stream, "%s", decorations->complex_prefix);
-      if (options->format)
-       val_print_scalar_formatted (TYPE_TARGET_TYPE (type),
-                                   valaddr, embedded_offset,
-                                   original_value, options, 0, stream);
-      else
-       print_floating (valaddr + embedded_offset,
-                       TYPE_TARGET_TYPE (type),
-                       stream);
-      fprintf_filtered (stream, "%s", decorations->complex_infix);
-      if (options->format)
-       val_print_scalar_formatted (TYPE_TARGET_TYPE (type),
-                                   valaddr,
-                                   embedded_offset
-                                   + TYPE_LENGTH (TYPE_TARGET_TYPE (type)),
-                                   original_value,
-                                   options, 0, stream);
-      else
-       print_floating (valaddr + embedded_offset
-                       + TYPE_LENGTH (TYPE_TARGET_TYPE (type)),
-                       TYPE_TARGET_TYPE (type),
-                       stream);
-      fprintf_filtered (stream, "%s", decorations->complex_suffix);
+      generic_val_print_complex (type, valaddr, embedded_offset, stream,
+                                original_value, options, decorations);
       break;
 
     case TYPE_CODE_UNION:
@@ -833,6 +1056,18 @@ value_check_printable (struct value *val, struct ui_file *stream,
       return 0;
     }
 
+  if (type_not_associated (value_type (val)))
+    {
+      val_print_not_associated (stream);
+      return 0;
+    }
+
+  if (type_not_allocated (value_type (val)))
+    {
+      val_print_not_allocated (stream);
+      return 0;
+    }
+
   return 1;
 }
 
@@ -964,6 +1199,9 @@ val_print_scalar_formatted (struct type *type,
                            int size,
                            struct ui_file *stream)
 {
+  struct gdbarch *arch = get_type_arch (type);
+  int unit_size = gdbarch_addressable_memory_unit_size (arch);
+
   gdb_assert (val != NULL);
   gdb_assert (valaddr == value_contents_for_printing_const (val));
 
@@ -989,7 +1227,7 @@ val_print_scalar_formatted (struct type *type,
   else if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type)))
     val_print_unavailable (stream);
   else
-    print_scalar_formatted (valaddr + embedded_offset, type,
+    print_scalar_formatted (valaddr + embedded_offset * unit_size, type,
                            options, size, stream);
 }
 
@@ -1390,7 +1628,7 @@ print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr,
      as the base 16 number, which is 2 digits per byte.  */
 
   decimal_len = len * 2 * 2;
-  digits = xmalloc (decimal_len);
+  digits = (unsigned char *) xmalloc (decimal_len);
 
   for (i = 0; i < decimal_len; i++)
     {
@@ -1626,7 +1864,7 @@ val_print_array_elements (struct type *type,
 {
   unsigned int things_printed = 0;
   unsigned len;
-  struct type *elttype, *index_type;
+  struct type *elttype, *index_type, *base_index_type;
   unsigned eltlen;
   /* Position of the array element we are examining to see
      whether it is repeated.  */
@@ -1634,22 +1872,41 @@ val_print_array_elements (struct type *type,
   /* Number of repetitions we have detected so far.  */
   unsigned int reps;
   LONGEST low_bound, high_bound;
+  LONGEST low_pos, high_pos;
 
   elttype = TYPE_TARGET_TYPE (type);
-  eltlen = TYPE_LENGTH (check_typedef (elttype));
+  eltlen = type_length_units (check_typedef (elttype));
   index_type = TYPE_INDEX_TYPE (type);
 
   if (get_array_bounds (type, &low_bound, &high_bound))
     {
-      /* The array length should normally be HIGH_BOUND - LOW_BOUND + 1.
+      if (TYPE_CODE (index_type) == TYPE_CODE_RANGE)
+       base_index_type = TYPE_TARGET_TYPE (index_type);
+      else
+       base_index_type = index_type;
+
+      /* Non-contiguous enumerations types can by used as index types
+        in some languages (e.g. Ada).  In this case, the array length
+        shall be computed from the positions of the first and last
+        literal in the enumeration type, and not from the values
+        of these literals.  */
+      if (!discrete_position (base_index_type, low_bound, &low_pos)
+         || !discrete_position (base_index_type, high_bound, &high_pos))
+       {
+         warning (_("unable to get positions in array, use bounds instead"));
+         low_pos = low_bound;
+         high_pos = high_bound;
+       }
+
+      /* The array length should normally be HIGH_POS - LOW_POS + 1.
          But we have to be a little extra careful, because some languages
-        such as Ada allow LOW_BOUND to be greater than HIGH_BOUND for
+        such as Ada allow LOW_POS to be greater than HIGH_POS for
         empty arrays.  In that situation, the array length is just zero,
         not negative!  */
-      if (low_bound > high_bound)
+      if (low_pos > high_pos)
        len = 0;
       else
-       len = high_bound - low_bound + 1;
+       len = high_pos - low_pos + 1;
     }
   else
     {
@@ -1887,7 +2144,7 @@ read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit,
   else
     {                          /* Length of string is really 0!  */
       /* We always allocate *buffer.  */
-      *buffer = bufptr = xmalloc (1);
+      *buffer = bufptr = (gdb_byte *) xmalloc (1);
       errcode = 0;
     }
 
@@ -2040,7 +2297,7 @@ generic_emit_char (int c, struct type *type, struct ui_file *stream,
   struct wchar_iterator *iter;
   int need_escape = 0;
 
-  buf = alloca (TYPE_LENGTH (type));
+  buf = (gdb_byte *) alloca (TYPE_LENGTH (type));
   pack_long (buf, type, c);
 
   iter = make_wchar_iterator (buf, TYPE_LENGTH (type),
@@ -2105,7 +2362,7 @@ generic_emit_char (int c, struct type *type, struct ui_file *stream,
                             sizeof (gdb_wchar_t), &output, translit_char);
   obstack_1grow (&output, '\0');
 
-  fputs_filtered (obstack_base (&output), stream);
+  fputs_filtered ((const char *) obstack_base (&output), stream);
 
   do_cleanups (cleanups);
 }
@@ -2460,7 +2717,7 @@ generic_printstr (struct ui_file *stream, struct type *type,
                             sizeof (gdb_wchar_t), &output, translit_char);
   obstack_1grow (&output, '\0');
 
-  fputs_filtered (obstack_base (&output), stream);
+  fputs_filtered ((const char *) obstack_base (&output), stream);
 
   do_cleanups (cleanup);
 }
@@ -2480,7 +2737,7 @@ val_print_string (struct type *elttype, const char *encoding,
                  const struct value_print_options *options)
 {
   int force_ellipsis = 0;      /* Force ellipsis to be printed if nonzero.  */
-  int errcode;                 /* Errno returned from bad reads.  */
+  int err;                     /* Non-zero if we got a bad read.  */
   int found_nul;               /* Non-zero if we found the nul char.  */
   unsigned int fetchlimit;     /* Maximum number of chars to print.  */
   int bytes_read;
@@ -2501,8 +2758,8 @@ val_print_string (struct type *elttype, const char *encoding,
   fetchlimit = (len == -1 ? options->print_max : min (len,
                                                      options->print_max));
 
-  errcode = read_string (addr, len, width, fetchlimit, byte_order,
-                        &buffer, &bytes_read);
+  err = read_string (addr, len, width, fetchlimit, byte_order,
+                    &buffer, &bytes_read);
   old_chain = make_cleanup (xfree, buffer);
 
   addr += bytes_read;
@@ -2530,7 +2787,7 @@ val_print_string (struct type *elttype, const char *encoding,
          && extract_unsigned_integer (peekbuf, width, byte_order) != 0)
        force_ellipsis = 1;
     }
-  else if ((len >= 0 && errcode != 0) || (len > bytes_read / width))
+  else if ((len >= 0 && err != 0) || (len > bytes_read / width))
     {
       /* Getting an error when we have a requested length, or fetching less
          than the number of characters actually requested, always make us
@@ -2541,17 +2798,17 @@ val_print_string (struct type *elttype, const char *encoding,
   /* If we get an error before fetching anything, don't print a string.
      But if we fetch something and then get an error, print the string
      and then the error message.  */
-  if (errcode == 0 || bytes_read > 0)
+  if (err == 0 || bytes_read > 0)
     {
       LA_PRINT_STRING (stream, elttype, buffer, bytes_read / width,
                       encoding, force_ellipsis, options);
     }
 
-  if (errcode != 0)
+  if (err != 0)
     {
       char *str;
 
-      str = memory_error_message (errcode, gdbarch, addr);
+      str = memory_error_message (TARGET_XFER_E_IO, gdbarch, addr);
       make_cleanup (xfree, str);
 
       fprintf_filtered (stream, "<error: ");
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