Removing lookup_minimal_symbol_and_objfile

[deliverable/binutils-gdb.git] / gdb / ada-typeprint.c

diff --git a/gdb/ada-typeprint.c b/gdb/ada-typeprint.c
index 57c8d930c030c84f25cca48e8389fb279cb92c75..47ce897d01616052398a1cb93782b4364b5c6d98 100644 (file)
--- a/gdb/ada-typeprint.c
+++ b/gdb/ada-typeprint.c
@@ -1,5 +1,5 @@
 /* Support for printing Ada types for GDB, the GNU debugger.
-   Copyright (C) 1986-2014 Free Software Foundation, Inc.
+   Copyright (C) 1986-2018 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -31,6 +31,7 @@
 #include "demangle.h"
 #include "c-lang.h"
 #include "typeprint.h"
+#include "target-float.h"
 #include "ada-lang.h"
 #include <ctype.h>
 
@@ -64,7 +65,7 @@ decoded_type_name (struct type *type)
       if (name_buffer == NULL || name_buffer_len <= strlen (raw_name))
        {
          name_buffer_len = 16 + 2 * strlen (raw_name);
-         name_buffer = xrealloc (name_buffer, name_buffer_len);
+         name_buffer = (char *) xrealloc (name_buffer, name_buffer_len);
        }
       strcpy (name_buffer, raw_name);
 
@@ -159,19 +160,19 @@ print_range (struct type *type, struct ui_file *stream,
     case TYPE_CODE_ENUM:
       {
        struct type *target_type;
-       volatile struct gdb_exception e;
-       LONGEST lo, hi;
+       LONGEST lo = 0, hi = 0; /* init for gcc -Wall */
+       int got_error = 0;
 
        target_type = TYPE_TARGET_TYPE (type);
        if (target_type == NULL)
          target_type = type;
 
-       TRY_CATCH (e, RETURN_MASK_ERROR)
+       TRY
          {
            lo = ada_discrete_type_low_bound (type);
            hi = ada_discrete_type_high_bound (type);
          }
-       if (e.reason < 0)
+       CATCH (e, RETURN_MASK_ERROR)
          {
            /* This can happen when the range is dynamic.  Sometimes,
               resolving dynamic property values requires us to have
@@ -179,8 +180,11 @@ print_range (struct type *type, struct ui_file *stream,
               when the user is using the "ptype" command on a type.
               Print the range as an unbounded range.  */
            fprintf_filtered (stream, "<>");
+           got_error = 1;
          }
-       else
+       END_CATCH
+
+       if (!got_error)
          {
            ada_print_scalar (target_type, lo, stream);
            fprintf_filtered (stream, " .. ");
@@ -200,7 +204,7 @@ print_range (struct type *type, struct ui_file *stream,
    set *N past the bound and its delimiter, if any.  */
 
 static void
-print_range_bound (struct type *type, char *bounds, int *n,
+print_range_bound (struct type *type, const char *bounds, int *n,
                   struct ui_file *stream)
 {
   LONGEST B;
@@ -227,8 +231,8 @@ print_range_bound (struct type *type, char *bounds, int *n,
   else
     {
       int bound_len;
-      char *bound = bounds + *n;
-      char *pend;
+      const char *bound = bounds + *n;
+      const char *pend;
 
       pend = strstr (bound, "__");
       if (pend == NULL)
@@ -250,17 +254,11 @@ static void
 print_dynamic_range_bound (struct type *type, const char *name, int name_len,
                           const char *suffix, struct ui_file *stream)
 {
-  static char *name_buf = NULL;
-  static size_t name_buf_len = 0;
   LONGEST B;
-  int OK;
-
-  GROW_VECT (name_buf, name_buf_len, name_len + strlen (suffix) + 1);
-  strncpy (name_buf, name, name_len);
-  strcpy (name_buf + name_len, suffix);
+  std::string name_buf (name, name_len);
+  name_buf += suffix;
 
-  B = get_int_var_value (name_buf, &OK);
-  if (OK)
+  if (get_int_var_value (name_buf.c_str (), B))
     ada_print_scalar (type, B, stream);
   else
     fprintf_filtered (stream, "?");
@@ -297,7 +295,7 @@ print_range_type (struct type *raw_type, struct ui_file *stream,
   else
     {
       int prefix_len = subtype_info - name;
-      char *bounds_str;
+      const char *bounds_str;
       int n;
 
       subtype_info += 5;
@@ -359,16 +357,23 @@ print_enum_type (struct type *type, struct ui_file *stream)
 static void
 print_fixed_point_type (struct type *type, struct ui_file *stream)
 {
-  DOUBLEST delta = ada_delta (type);
-  DOUBLEST small = ada_fixed_to_float (type, 1.0);
+  struct value *delta = ada_delta (type);
+  struct value *small = ada_scaling_factor (type);
 
-  if (delta < 0.0)
+  if (delta == nullptr)
     fprintf_filtered (stream, "delta ??");
   else
     {
-      fprintf_filtered (stream, "delta %g", (double) delta);
-      if (delta != small)
-       fprintf_filtered (stream, " <'small = %g>", (double) small);
+      std::string str;
+      str = target_float_to_string (value_contents (delta),
+                                   value_type (delta), "%g");
+      fprintf_filtered (stream, "delta %s", str.c_str());
+      if (!value_equal (delta, small))
+       {
+         str = target_float_to_string (value_contents (small),
+                                       value_type (small), "%g");
+         fprintf_filtered (stream, " <'small = %s>", str.c_str());
+       }
     }
 }
 
@@ -383,6 +388,7 @@ print_array_type (struct type *type, struct ui_file *stream, int show,
 {
   int bitsize;
   int n_indices;
+  struct type *elt_type = NULL;
 
   if (ada_is_constrained_packed_array_type (type))
     type = ada_coerce_to_simple_array_type (type);
@@ -445,11 +451,15 @@ print_array_type (struct type *type, struct ui_file *stream, int show,
        fprintf_filtered (stream, "%s<>", i == i0 ? "" : ", ");
     }
 
+  elt_type = ada_array_element_type (type, n_indices);
   fprintf_filtered (stream, ") of ");
   wrap_here ("");
-  ada_print_type (ada_array_element_type (type, n_indices), "", stream,
-                 show == 0 ? 0 : show - 1, level + 1, flags);
-  if (bitsize > 0)
+  ada_print_type (elt_type, "", stream, show == 0 ? 0 : show - 1, level + 1,
+                 flags);
+  /* Arrays with variable-length elements are never bit-packed in practice but
+     compilers have to describe their stride so that we can properly fetch
+     individual elements.  Do not say the array is packed in this case.  */
+  if (bitsize > 0 && !is_dynamic_type (elt_type))
     fprintf_filtered (stream, " <packed: %d-bit elements>", bitsize);
 }
 
@@ -767,7 +777,8 @@ print_func_type (struct type *type, struct ui_file *stream, const char *name,
 {
   int i, len = TYPE_NFIELDS (type);
 
-  if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
+  if (TYPE_TARGET_TYPE (type) != NULL
+      && TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)
     fprintf_filtered (stream, "procedure");
   else
     fprintf_filtered (stream, "function");
@@ -792,7 +803,9 @@ print_func_type (struct type *type, struct ui_file *stream, const char *name,
       fprintf_filtered (stream, ")");
     }
 
-  if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID)
+  if (TYPE_TARGET_TYPE (type) == NULL)
+    fprintf_filtered (stream, " return <unknown return type>");
+  else if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID)
     {
       fprintf_filtered (stream, " return ");
       ada_print_type (TYPE_TARGET_TYPE (type), "", stream, 0, 0, flags);