/* Print values for GDB, the GNU debugger.
- Copyright (C) 1986-2014 Free Software Foundation, Inc.
+ Copyright (C) 1986-2015 Free Software Foundation, Inc.
This file is part of GDB.
#include "valprint.h"
#include "floatformat.h"
#include "doublest.h"
-#include "exceptions.h"
#include "dfp.h"
#include "extension.h"
#include "ada-lang.h"
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))
{
int embedded_offset,
const struct value *val)
{
- CHECK_TYPEDEF (type);
+ type = check_typedef (type);
if (TYPE_CODE (type) != TYPE_CODE_UNION
&& TYPE_CODE (type) != TYPE_CODE_STRUCT
&& TYPE_CODE (type) != TYPE_CODE_ARRAY)
{
- if (!value_bits_valid (val, TARGET_CHAR_BIT * embedded_offset,
- TARGET_CHAR_BIT * TYPE_LENGTH (type)))
+ if (value_bits_any_optimized_out (val,
+ TARGET_CHAR_BIT * embedded_offset,
+ TARGET_CHAR_BIT * TYPE_LENGTH (type)))
{
val_print_optimized_out (val, stream);
return 0;
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)
+{
+ 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);
- 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;
-
- 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)));
+ struct value *deref_val;
- 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;
+
+ 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);
+ 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. */
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;
+
+ 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 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)
+{
+ 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 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;
+
+ 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 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)
+{
+ 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 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)
+{
+ 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 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)
+{
+ 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);
+}
+
+/* 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:
/* 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:
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:
const struct value_print_options *options,
const struct language_defn *language)
{
- volatile struct gdb_exception except;
int ret = 0;
struct value_print_options local_opts = *options;
struct type *real_type = check_typedef (type);
return;
}
- TRY_CATCH (except, RETURN_MASK_ERROR)
+ TRY
{
language->la_val_print (type, valaddr, embedded_offset, address,
stream, recurse, val,
&local_opts);
}
- if (except.reason < 0)
- fprintf_filtered (stream, _("<error reading variable>"));
+ CATCH (except, RETURN_MASK_ERROR)
+ {
+ fprintf_filtered (stream, _("<error reading variable>"));
+ }
+ END_CATCH
}
/* Check whether the value VAL is printable. Return 1 if it is;
/* A scalar object that does not have all bits available can't be
printed, because all bits contribute to its representation. */
- if (!value_bits_valid (val, TARGET_CHAR_BIT * embedded_offset,
- TARGET_CHAR_BIT * TYPE_LENGTH (type)))
+ if (value_bits_any_optimized_out (val,
+ TARGET_CHAR_BIT * embedded_offset,
+ TARGET_CHAR_BIT * TYPE_LENGTH (type)))
val_print_optimized_out (val, stream);
else if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type)))
val_print_unavailable (stream);
{
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. */
/* 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));
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
{
if (options->repeat_count_threshold < UINT_MAX)
{
while (rep1 < len
- && value_available_contents_eq (val,
- embedded_offset + i * eltlen,
- val,
- (embedded_offset
- + rep1 * eltlen),
- eltlen))
+ && value_contents_eq (val,
+ embedded_offset + i * eltlen,
+ val,
+ (embedded_offset
+ + rep1 * eltlen),
+ eltlen))
{
++reps;
++rep1;
read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit,
enum bfd_endian byte_order, gdb_byte **buffer, int *bytes_read)
{
- int found_nul; /* Non-zero if we found the nul char. */
int errcode; /* Errno returned from bad reads. */
unsigned int nfetch; /* Chars to fetch / chars fetched. */
- unsigned int chunksize; /* Size of each fetch, in chars. */
gdb_byte *bufptr; /* Pointer to next available byte in
buffer. */
- gdb_byte *limit; /* First location past end of fetch buffer. */
struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */
- /* Decide how large of chunks to try to read in one operation. This
- is also pretty simple. If LEN >= zero, then we want fetchlimit chars,
- so we might as well read them all in one operation. If LEN is -1, we
- are looking for a NUL terminator to end the fetching, so we might as
- well read in blocks that are large enough to be efficient, but not so
- large as to be slow if fetchlimit happens to be large. So we choose the
- minimum of 8 and fetchlimit. We used to use 200 instead of 8 but
- 200 is way too big for remote debugging over a serial line. */
-
- chunksize = (len == -1 ? min (8, fetchlimit) : fetchlimit);
-
/* Loop until we either have all the characters, or we encounter
some error, such as bumping into the end of the address space. */
- found_nul = 0;
*buffer = NULL;
old_chain = make_cleanup (free_current_contents, buffer);
if (len > 0)
{
+ /* We want fetchlimit chars, so we might as well read them all in
+ one operation. */
unsigned int fetchlen = min (len, fetchlimit);
*buffer = (gdb_byte *) xmalloc (fetchlen * width);
else if (len == -1)
{
unsigned long bufsize = 0;
+ unsigned int chunksize; /* Size of each fetch, in chars. */
+ int found_nul; /* Non-zero if we found the nul char. */
+ gdb_byte *limit; /* First location past end of fetch buffer. */
+
+ found_nul = 0;
+ /* We are looking for a NUL terminator to end the fetching, so we
+ might as well read in blocks that are large enough to be efficient,
+ but not so large as to be slow if fetchlimit happens to be large.
+ So we choose the minimum of 8 and fetchlimit. We used to use 200
+ instead of 8 but 200 is way too big for remote debugging over a
+ serial line. */
+ chunksize = min (8, fetchlimit);
do
{
LEN is -1. */
/* Determine found_nul by looking at the last character read. */
- found_nul = extract_unsigned_integer (buffer + bytes_read - width, width,
- byte_order) == 0;
+ found_nul = 0;
+ if (bytes_read >= width)
+ found_nul = extract_unsigned_integer (buffer + bytes_read - width, width,
+ byte_order) == 0;
if (len == -1 && !found_nul)
{
gdb_byte *peekbuf;
projects / deliverable / binutils-gdb.git / blobdiff