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https://github.com/bminor/binutils-gdb.git
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5/8 Use tdesc types
This commit is contained in:
Alan Hayward
193
gdb/arch/tdesc.c
193
gdb/arch/tdesc.c
@@ -39,6 +39,28 @@ tdesc_reg::tdesc_reg (struct tdesc_feature *feature, const std::string &name_,
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tdesc_type = tdesc_named_type (feature, type.c_str ());
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}
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/* Predefined types. */
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static tdesc_type_builtin tdesc_predefined_types[] =
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{
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{ "bool", TDESC_TYPE_BOOL },
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{ "int8", TDESC_TYPE_INT8 },
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{ "int16", TDESC_TYPE_INT16 },
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{ "int32", TDESC_TYPE_INT32 },
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{ "int64", TDESC_TYPE_INT64 },
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{ "int128", TDESC_TYPE_INT128 },
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{ "uint8", TDESC_TYPE_UINT8 },
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{ "uint16", TDESC_TYPE_UINT16 },
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{ "uint32", TDESC_TYPE_UINT32 },
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{ "uint64", TDESC_TYPE_UINT64 },
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{ "uint128", TDESC_TYPE_UINT128 },
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{ "code_ptr", TDESC_TYPE_CODE_PTR },
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{ "data_ptr", TDESC_TYPE_DATA_PTR },
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{ "ieee_single", TDESC_TYPE_IEEE_SINGLE },
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{ "ieee_double", TDESC_TYPE_IEEE_DOUBLE },
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{ "arm_fpa_ext", TDESC_TYPE_ARM_FPA_EXT },
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{ "i387_ext", TDESC_TYPE_I387_EXT }
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};
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void tdesc_feature::accept (tdesc_element_visitor &v) const
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{
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v.visit_pre (this);
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@@ -84,6 +106,36 @@ bool tdesc_feature::operator== (const tdesc_feature &other) const
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return true;
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}
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/* Lookup a predefined type. */
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static struct tdesc_type *
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tdesc_predefined_type (enum tdesc_type_kind kind)
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{
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for (int ix = 0; ix < ARRAY_SIZE (tdesc_predefined_types); ix++)
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if (tdesc_predefined_types[ix].kind == kind)
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return &tdesc_predefined_types[ix];
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gdb_assert_not_reached ("bad predefined tdesc type");
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}
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/* See arch/tdesc.h. */
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struct tdesc_type *
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tdesc_named_type (const struct tdesc_feature *feature, const char *id)
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{
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/* First try target-defined types. */
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for (const tdesc_type_up &type : feature->types)
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if (type->name == id)
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return type.get ();
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/* Next try the predefined types. */
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for (int ix = 0; ix < ARRAY_SIZE (tdesc_predefined_types); ix++)
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if (tdesc_predefined_types[ix].name == id)
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return &tdesc_predefined_types[ix];
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return NULL;
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}
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/* See arch/tdesc.h. */
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void
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@@ -96,3 +148,144 @@ tdesc_create_reg (struct tdesc_feature *feature, const char *name,
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feature->registers.emplace_back (reg);
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}
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/* See arch/tdesc.h. */
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struct tdesc_type *
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tdesc_create_vector (struct tdesc_feature *feature, const char *name,
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struct tdesc_type *field_type, int count)
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{
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tdesc_type_vector *type = new tdesc_type_vector (name, field_type, count);
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feature->types.emplace_back (type);
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return type;
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}
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/* See arch/tdesc.h. */
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tdesc_type_with_fields *
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tdesc_create_struct (struct tdesc_feature *feature, const char *name)
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{
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tdesc_type_with_fields *type
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= new tdesc_type_with_fields (name, TDESC_TYPE_STRUCT);
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feature->types.emplace_back (type);
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return type;
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}
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/* See arch/tdesc.h. */
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void
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tdesc_set_struct_size (tdesc_type_with_fields *type, int size)
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{
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gdb_assert (type->kind == TDESC_TYPE_STRUCT);
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gdb_assert (size > 0);
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type->size = size;
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}
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/* See arch/tdesc.h. */
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tdesc_type_with_fields *
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tdesc_create_union (struct tdesc_feature *feature, const char *name)
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{
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tdesc_type_with_fields *type
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= new tdesc_type_with_fields (name, TDESC_TYPE_UNION);
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feature->types.emplace_back (type);
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return type;
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}
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/* See arch/tdesc.h. */
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tdesc_type_with_fields *
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tdesc_create_flags (struct tdesc_feature *feature, const char *name,
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int size)
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{
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gdb_assert (size > 0);
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tdesc_type_with_fields *type
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= new tdesc_type_with_fields (name, TDESC_TYPE_FLAGS, size);
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feature->types.emplace_back (type);
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return type;
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}
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tdesc_type_with_fields *
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tdesc_create_enum (struct tdesc_feature *feature, const char *name,
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int size)
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{
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gdb_assert (size > 0);
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tdesc_type_with_fields *type
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= new tdesc_type_with_fields (name, TDESC_TYPE_ENUM, size);
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feature->types.emplace_back (type);
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return type;
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}
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/* See arch/tdesc.h. */
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void
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tdesc_add_field (tdesc_type_with_fields *type, const char *field_name,
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struct tdesc_type *field_type)
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{
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gdb_assert (type->kind == TDESC_TYPE_UNION
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|| type->kind == TDESC_TYPE_STRUCT);
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/* Initialize start and end so we know this is not a bit-field
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when we print-c-tdesc. */
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type->fields.emplace_back (field_name, field_type, -1, -1);
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}
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void
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tdesc_add_typed_bitfield (tdesc_type_with_fields *type, const char *field_name,
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int start, int end, struct tdesc_type *field_type)
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{
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gdb_assert (type->kind == TDESC_TYPE_STRUCT
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|| type->kind == TDESC_TYPE_FLAGS);
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gdb_assert (start >= 0 && end >= start);
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type->fields.emplace_back (field_name, field_type, start, end);
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}
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/* See arch/tdesc.h. */
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void
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tdesc_add_bitfield (tdesc_type_with_fields *type, const char *field_name,
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int start, int end)
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{
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struct tdesc_type *field_type;
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gdb_assert (start >= 0 && end >= start);
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if (type->size > 4)
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field_type = tdesc_predefined_type (TDESC_TYPE_UINT64);
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else
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field_type = tdesc_predefined_type (TDESC_TYPE_UINT32);
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tdesc_add_typed_bitfield (type, field_name, start, end, field_type);
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}
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/* See arch/tdesc.h. */
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void
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tdesc_add_flag (tdesc_type_with_fields *type, int start,
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const char *flag_name)
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{
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gdb_assert (type->kind == TDESC_TYPE_FLAGS
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|| type->kind == TDESC_TYPE_STRUCT);
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type->fields.emplace_back (flag_name,
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tdesc_predefined_type (TDESC_TYPE_BOOL),
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start, start);
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}
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void
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tdesc_add_enum_value (tdesc_type_with_fields *type, int value,
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const char *name)
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{
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gdb_assert (type->kind == TDESC_TYPE_ENUM);
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type->fields.emplace_back (name,
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tdesc_predefined_type (TDESC_TYPE_INT32),
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value, -1);
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}
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@@ -189,6 +189,82 @@ struct tdesc_type : tdesc_element
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typedef std::unique_ptr<tdesc_type> tdesc_type_up;
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struct tdesc_type_builtin : tdesc_type
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{
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tdesc_type_builtin (const std::string &name, enum tdesc_type_kind kind)
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: tdesc_type (name, kind)
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{}
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void accept (tdesc_element_visitor &v) const override;
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{
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v.visit (this);
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}
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type *make_gdb_type (struct gdbarch *gdbarch) const override;
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};
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/* tdesc_type for vector types. */
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struct tdesc_type_vector : tdesc_type
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{
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tdesc_type_vector (const std::string &name, tdesc_type *element_type_,
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int count_)
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: tdesc_type (name, TDESC_TYPE_VECTOR),
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element_type (element_type_), count (count_)
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{}
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void accept (tdesc_element_visitor &v) const override
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{
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v.visit (this);
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}
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type *make_gdb_type (struct gdbarch *gdbarch) const override;
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struct tdesc_type *element_type;
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int count;
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};
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/* A named type from a target description. */
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struct tdesc_type_field
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{
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tdesc_type_field (const std::string &name_, tdesc_type *type_,
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int start_, int end_)
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: name (name_), type (type_), start (start_), end (end_)
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{}
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std::string name;
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struct tdesc_type *type;
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/* For non-enum-values, either both are -1 (non-bitfield), or both are
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not -1 (bitfield). For enum values, start is the value (which could be
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-1), end is -1. */
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int start, end;
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};
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/* tdesc_type for struct, union, flags, and enum types. */
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struct tdesc_type_with_fields : tdesc_type
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{
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tdesc_type_with_fields (const std::string &name, tdesc_type_kind kind,
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int size_ = 0)
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: tdesc_type (name, kind), size (size_)
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{}
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void accept (tdesc_element_visitor &v) const override
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{
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v.visit (this);
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}
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type *make_gdb_type_struct (struct gdbarch *gdbarch) const;
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type *make_gdb_type_union (struct gdbarch *gdbarch) const;
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type *make_gdb_type_flags (struct gdbarch *gdbarch) const;
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type *make_gdb_type_enum (struct gdbarch *gdbarch) const;
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type *make_gdb_type (struct gdbarch *gdbarch) const override;
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std::vector<tdesc_type_field> fields;
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int size;
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};
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/* A feature from a target description. Each feature is a collection
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of other elements, e.g. registers and types. */
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@@ -197,70 +197,17 @@ tdesc_create_feature (struct target_desc *tdesc, const char *name,
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return new_feature;
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}
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/* See arch/tdesc.h. */
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tdesc_type_with_fields *
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tdesc_create_flags (struct tdesc_feature *feature, const char *name,
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int size)
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type *tdesc_type_builtin::make_gdb_type (struct gdbarch *gdbarch) const
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{
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return NULL;
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error (_("Cannot create gdbtypes."));
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}
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/* See arch/tdesc.h. */
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void
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tdesc_add_flag (tdesc_type_with_fields *type, int start,
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const char *flag_name)
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{}
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/* See arch/tdesc.h. */
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struct tdesc_type *
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tdesc_named_type (const struct tdesc_feature *feature, const char *id)
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type *tdesc_type_vector::make_gdb_type (struct gdbarch *gdbarch) const
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{
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return NULL;
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error (_("Cannot create gdbtypes."));
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}
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/* See arch/tdesc.h. */
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tdesc_type_with_fields *
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tdesc_create_union (struct tdesc_feature *feature, const char *id)
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{
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return NULL;
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}
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/* See arch/tdesc.h. */
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tdesc_type_with_fields *
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tdesc_create_struct (struct tdesc_feature *feature, const char *id)
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{
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return NULL;
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}
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/* See arch/tdesc.h. */
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struct tdesc_type *
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tdesc_create_vector (struct tdesc_feature *feature, const char *name,
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struct tdesc_type *field_type, int count)
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{
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return NULL;
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}
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void
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tdesc_add_bitfield (tdesc_type_with_fields *type, const char *field_name,
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int start, int end)
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{}
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/* See arch/tdesc.h. */
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void
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tdesc_add_field (tdesc_type_with_fields *type, const char *field_name,
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struct tdesc_type *field_type)
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{}
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/* See arch/tdesc.h. */
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void
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tdesc_set_struct_size (tdesc_type_with_fields *type, int size)
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type *tdesc_type_with_fields::make_gdb_type (struct gdbarch *gdbarch) const
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{
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error (_("Cannot create gdbtypes."));
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}
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@@ -50,80 +50,6 @@ struct property
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std::string value;
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};
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/* A named type from a target description. */
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struct tdesc_type_field
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{
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tdesc_type_field (const std::string &name_, tdesc_type *type_,
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int start_, int end_)
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: name (name_), type (type_), start (start_), end (end_)
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{}
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std::string name;
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struct tdesc_type *type;
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/* For non-enum-values, either both are -1 (non-bitfield), or both are
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not -1 (bitfield). For enum values, start is the value (which could be
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-1), end is -1. */
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int start, end;
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};
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struct tdesc_type_builtin : tdesc_type
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{
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tdesc_type_builtin (const std::string &name, enum tdesc_type_kind kind)
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: tdesc_type (name, kind)
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{}
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void accept (tdesc_element_visitor &v) const override
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{
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v.visit (this);
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}
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type *make_gdb_type (struct gdbarch *gdbarch) const override;
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};
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/* tdesc_type for vector types. */
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struct tdesc_type_vector : tdesc_type
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{
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tdesc_type_vector (const std::string &name, tdesc_type *element_type_, int count_)
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: tdesc_type (name, TDESC_TYPE_VECTOR),
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element_type (element_type_), count (count_)
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{}
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void accept (tdesc_element_visitor &v) const override
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{
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v.visit (this);
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}
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type *make_gdb_type (struct gdbarch *gdbarch) const override;
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struct tdesc_type *element_type;
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int count;
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};
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||||
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/* tdesc_type for struct, union, flags, and enum types. */
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struct tdesc_type_with_fields : tdesc_type
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{
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tdesc_type_with_fields (const std::string &name, tdesc_type_kind kind,
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int size_ = 0)
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: tdesc_type (name, kind), size (size_)
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{}
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void accept (tdesc_element_visitor &v) const override
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{
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v.visit (this);
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}
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type *make_gdb_type_struct (struct gdbarch *gdbarch) const;
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type *make_gdb_type_union (struct gdbarch *gdbarch) const;
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type *make_gdb_type_flags (struct gdbarch *gdbarch) const;
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type *make_gdb_type_enum (struct gdbarch *gdbarch) const;
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type *make_gdb_type (struct gdbarch *gdbarch) const override;
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std::vector<tdesc_type_field> fields;
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int size;
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};
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type *
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tdesc_type_builtin::make_gdb_type (struct gdbarch *gdbarch) const
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@@ -733,58 +659,6 @@ tdesc_feature_name (const struct tdesc_feature *feature)
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return feature->name.c_str ();
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}
|
||||
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||||
/* Predefined types. */
|
||||
static tdesc_type_builtin tdesc_predefined_types[] =
|
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{
|
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{ "bool", TDESC_TYPE_BOOL },
|
||||
{ "int8", TDESC_TYPE_INT8 },
|
||||
{ "int16", TDESC_TYPE_INT16 },
|
||||
{ "int32", TDESC_TYPE_INT32 },
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{ "int64", TDESC_TYPE_INT64 },
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{ "int128", TDESC_TYPE_INT128 },
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{ "uint8", TDESC_TYPE_UINT8 },
|
||||
{ "uint16", TDESC_TYPE_UINT16 },
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{ "uint32", TDESC_TYPE_UINT32 },
|
||||
{ "uint64", TDESC_TYPE_UINT64 },
|
||||
{ "uint128", TDESC_TYPE_UINT128 },
|
||||
{ "code_ptr", TDESC_TYPE_CODE_PTR },
|
||||
{ "data_ptr", TDESC_TYPE_DATA_PTR },
|
||||
{ "ieee_single", TDESC_TYPE_IEEE_SINGLE },
|
||||
{ "ieee_double", TDESC_TYPE_IEEE_DOUBLE },
|
||||
{ "arm_fpa_ext", TDESC_TYPE_ARM_FPA_EXT },
|
||||
{ "i387_ext", TDESC_TYPE_I387_EXT }
|
||||
};
|
||||
|
||||
/* Lookup a predefined type. */
|
||||
|
||||
static struct tdesc_type *
|
||||
tdesc_predefined_type (enum tdesc_type_kind kind)
|
||||
{
|
||||
for (int ix = 0; ix < ARRAY_SIZE (tdesc_predefined_types); ix++)
|
||||
if (tdesc_predefined_types[ix].kind == kind)
|
||||
return &tdesc_predefined_types[ix];
|
||||
|
||||
gdb_assert_not_reached ("bad predefined tdesc type");
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_type *
|
||||
tdesc_named_type (const struct tdesc_feature *feature, const char *id)
|
||||
{
|
||||
/* First try target-defined types. */
|
||||
for (const tdesc_type_up &type : feature->types)
|
||||
if (type->name == id)
|
||||
return type.get ();
|
||||
|
||||
/* Next try the predefined types. */
|
||||
for (int ix = 0; ix < ARRAY_SIZE (tdesc_predefined_types); ix++)
|
||||
if (tdesc_predefined_types[ix].name == id)
|
||||
return &tdesc_predefined_types[ix];
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Lookup type associated with ID. */
|
||||
|
||||
struct type *
|
||||
@@ -1219,147 +1093,6 @@ tdesc_use_registers (struct gdbarch *gdbarch,
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_type *
|
||||
tdesc_create_vector (struct tdesc_feature *feature, const char *name,
|
||||
struct tdesc_type *field_type, int count)
|
||||
{
|
||||
tdesc_type_vector *type = new tdesc_type_vector (name, field_type, count);
|
||||
feature->types.emplace_back (type);
|
||||
|
||||
return type;
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
tdesc_type_with_fields *
|
||||
tdesc_create_struct (struct tdesc_feature *feature, const char *name)
|
||||
{
|
||||
tdesc_type_with_fields *type
|
||||
= new tdesc_type_with_fields (name, TDESC_TYPE_STRUCT);
|
||||
feature->types.emplace_back (type);
|
||||
|
||||
return type;
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
void
|
||||
tdesc_set_struct_size (tdesc_type_with_fields *type, int size)
|
||||
{
|
||||
gdb_assert (type->kind == TDESC_TYPE_STRUCT);
|
||||
gdb_assert (size > 0);
|
||||
type->size = size;
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
tdesc_type_with_fields *
|
||||
tdesc_create_union (struct tdesc_feature *feature, const char *name)
|
||||
{
|
||||
tdesc_type_with_fields *type
|
||||
= new tdesc_type_with_fields (name, TDESC_TYPE_UNION);
|
||||
feature->types.emplace_back (type);
|
||||
|
||||
return type;
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
tdesc_type_with_fields *
|
||||
tdesc_create_flags (struct tdesc_feature *feature, const char *name,
|
||||
int size)
|
||||
{
|
||||
gdb_assert (size > 0);
|
||||
|
||||
tdesc_type_with_fields *type
|
||||
= new tdesc_type_with_fields (name, TDESC_TYPE_FLAGS, size);
|
||||
feature->types.emplace_back (type);
|
||||
|
||||
return type;
|
||||
}
|
||||
|
||||
tdesc_type_with_fields *
|
||||
tdesc_create_enum (struct tdesc_feature *feature, const char *name,
|
||||
int size)
|
||||
{
|
||||
gdb_assert (size > 0);
|
||||
|
||||
tdesc_type_with_fields *type
|
||||
= new tdesc_type_with_fields (name, TDESC_TYPE_ENUM, size);
|
||||
feature->types.emplace_back (type);
|
||||
|
||||
return type;
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
void
|
||||
tdesc_add_field (tdesc_type_with_fields *type, const char *field_name,
|
||||
struct tdesc_type *field_type)
|
||||
{
|
||||
gdb_assert (type->kind == TDESC_TYPE_UNION
|
||||
|| type->kind == TDESC_TYPE_STRUCT);
|
||||
|
||||
/* Initialize start and end so we know this is not a bit-field
|
||||
when we print-c-tdesc. */
|
||||
type->fields.emplace_back (field_name, field_type, -1, -1);
|
||||
}
|
||||
|
||||
void
|
||||
tdesc_add_typed_bitfield (tdesc_type_with_fields *type, const char *field_name,
|
||||
int start, int end, struct tdesc_type *field_type)
|
||||
{
|
||||
gdb_assert (type->kind == TDESC_TYPE_STRUCT
|
||||
|| type->kind == TDESC_TYPE_FLAGS);
|
||||
gdb_assert (start >= 0 && end >= start);
|
||||
|
||||
type->fields.emplace_back (field_name, field_type, start, end);
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
void
|
||||
tdesc_add_bitfield (tdesc_type_with_fields *type, const char *field_name,
|
||||
int start, int end)
|
||||
{
|
||||
struct tdesc_type *field_type;
|
||||
|
||||
gdb_assert (start >= 0 && end >= start);
|
||||
|
||||
if (type->size > 4)
|
||||
field_type = tdesc_predefined_type (TDESC_TYPE_UINT64);
|
||||
else
|
||||
field_type = tdesc_predefined_type (TDESC_TYPE_UINT32);
|
||||
|
||||
tdesc_add_typed_bitfield (type, field_name, start, end, field_type);
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
void
|
||||
tdesc_add_flag (tdesc_type_with_fields *type, int start,
|
||||
const char *flag_name)
|
||||
{
|
||||
gdb_assert (type->kind == TDESC_TYPE_FLAGS
|
||||
|| type->kind == TDESC_TYPE_STRUCT);
|
||||
|
||||
type->fields.emplace_back (flag_name,
|
||||
tdesc_predefined_type (TDESC_TYPE_BOOL),
|
||||
start, start);
|
||||
}
|
||||
|
||||
void
|
||||
tdesc_add_enum_value (tdesc_type_with_fields *type, int value,
|
||||
const char *name)
|
||||
{
|
||||
gdb_assert (type->kind == TDESC_TYPE_ENUM);
|
||||
type->fields.emplace_back (name,
|
||||
tdesc_predefined_type (TDESC_TYPE_INT32),
|
||||
value, -1);
|
||||
}
|
||||
|
||||
/* See arch/tdesc.h. */
|
||||
|
||||
struct tdesc_feature *
|
||||
tdesc_create_feature (struct target_desc *tdesc, const char *name,
|
||||
const char *xml)
|
||||
|
||||
Reference in New Issue
Block a user