-/* Copyright (C) 2006-2018 Free Software Foundation, Inc.
+/* Copyright (C) 2006-2019 Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-#ifndef ARCH_TDESC_H
-#define ARCH_TDESC_H 1
+#ifndef COMMON_TDESC_H
+#define COMMON_TDESC_H
struct tdesc_feature;
struct tdesc_type;
typedef std::unique_ptr<tdesc_reg> tdesc_reg_up;
+enum tdesc_type_kind
+{
+ /* Predefined types. */
+ TDESC_TYPE_BOOL,
+ TDESC_TYPE_INT8,
+ TDESC_TYPE_INT16,
+ TDESC_TYPE_INT32,
+ TDESC_TYPE_INT64,
+ TDESC_TYPE_INT128,
+ TDESC_TYPE_UINT8,
+ TDESC_TYPE_UINT16,
+ TDESC_TYPE_UINT32,
+ TDESC_TYPE_UINT64,
+ TDESC_TYPE_UINT128,
+ TDESC_TYPE_CODE_PTR,
+ TDESC_TYPE_DATA_PTR,
+ TDESC_TYPE_IEEE_HALF,
+ TDESC_TYPE_IEEE_SINGLE,
+ TDESC_TYPE_IEEE_DOUBLE,
+ TDESC_TYPE_ARM_FPA_EXT,
+ TDESC_TYPE_I387_EXT,
+
+ /* Types defined by a target feature. */
+ TDESC_TYPE_VECTOR,
+ TDESC_TYPE_STRUCT,
+ TDESC_TYPE_UNION,
+ TDESC_TYPE_FLAGS,
+ TDESC_TYPE_ENUM
+};
+
+struct tdesc_type : tdesc_element
+{
+ tdesc_type (const std::string &name_, enum tdesc_type_kind kind_)
+ : name (name_), kind (kind_)
+ {}
+
+ virtual ~tdesc_type () = default;
+
+ DISABLE_COPY_AND_ASSIGN (tdesc_type);
+
+ /* The name of this type. */
+ std::string name;
+
+ /* Identify the kind of this type. */
+ enum tdesc_type_kind kind;
+
+ bool operator== (const tdesc_type &other) const
+ {
+ return name == other.name && kind == other.kind;
+ }
+
+ bool operator!= (const tdesc_type &other) const
+ {
+ return !(*this == other);
+ }
+};
+
+typedef std::unique_ptr<tdesc_type> tdesc_type_up;
+
+struct tdesc_type_builtin : tdesc_type
+{
+ tdesc_type_builtin (const std::string &name, enum tdesc_type_kind kind)
+ : tdesc_type (name, kind)
+ {}
+
+ void accept (tdesc_element_visitor &v) const override
+ {
+ v.visit (this);
+ }
+};
+
+/* tdesc_type for vector types. */
+
+struct tdesc_type_vector : tdesc_type
+{
+ tdesc_type_vector (const std::string &name, tdesc_type *element_type_,
+ int count_)
+ : tdesc_type (name, TDESC_TYPE_VECTOR),
+ element_type (element_type_), count (count_)
+ {}
+
+ void accept (tdesc_element_visitor &v) const override
+ {
+ v.visit (this);
+ }
+
+ struct tdesc_type *element_type;
+ int count;
+};
+
+/* A named type from a target description. */
+
+struct tdesc_type_field
+{
+ tdesc_type_field (const std::string &name_, tdesc_type *type_,
+ int start_, int end_)
+ : name (name_), type (type_), start (start_), end (end_)
+ {}
+
+ std::string name;
+ struct tdesc_type *type;
+ /* For non-enum-values, either both are -1 (non-bitfield), or both are
+ not -1 (bitfield). For enum values, start is the value (which could be
+ -1), end is -1. */
+ int start, end;
+};
+
+/* tdesc_type for struct, union, flags, and enum types. */
+
+struct tdesc_type_with_fields : tdesc_type
+{
+ tdesc_type_with_fields (const std::string &name, tdesc_type_kind kind,
+ int size_ = 0)
+ : tdesc_type (name, kind), size (size_)
+ {}
+
+ void accept (tdesc_element_visitor &v) const override
+ {
+ v.visit (this);
+ }
+
+ std::vector<tdesc_type_field> fields;
+ int size;
+};
+
+/* A feature from a target description. Each feature is a collection
+ of other elements, e.g. registers and types. */
+
+struct tdesc_feature : tdesc_element
+{
+ tdesc_feature (const std::string &name_)
+ : name (name_)
+ {}
+
+ virtual ~tdesc_feature () = default;
+
+ DISABLE_COPY_AND_ASSIGN (tdesc_feature);
+
+ /* The name of this feature. It may be recognized by the architecture
+ support code. */
+ std::string name;
+
+ /* The registers associated with this feature. */
+ std::vector<tdesc_reg_up> registers;
+
+ /* The types associated with this feature. */
+ std::vector<tdesc_type_up> types;
+
+ void accept (tdesc_element_visitor &v) const override;
+
+ bool operator== (const tdesc_feature &other) const;
+
+ bool operator!= (const tdesc_feature &other) const
+ {
+ return !(*this == other);
+ }
+};
+
+typedef std::unique_ptr<tdesc_feature> tdesc_feature_up;
+
/* Allocate a new target_desc. */
target_desc *allocate_target_description (void);
void set_tdesc_architecture (target_desc *target_desc,
const char *name);
+/* Return the architecture associated with this target description as a string,
+ or NULL if no architecture was specified. */
+const char *tdesc_architecture_name (const struct target_desc *target_desc);
+
/* Set TARGET_DESC's osabi by NAME. */
void set_tdesc_osabi (target_desc *target_desc, const char *name);
+/* Return the osabi associated with this target description as a string,
+ or NULL if no osabi was specified. */
+const char *tdesc_osabi_name (const struct target_desc *target_desc);
+
/* Return the type associated with ID in the context of FEATURE, or
NULL if none. */
struct tdesc_type *tdesc_named_type (const struct tdesc_feature *feature,
/* Return the created feature named NAME in target description TDESC. */
struct tdesc_feature *tdesc_create_feature (struct target_desc *tdesc,
- const char *name,
- const char *xml = nullptr);
-
+ const char *name);
/* Return the created vector tdesc_type named NAME in FEATURE. */
struct tdesc_type *tdesc_create_vector (struct tdesc_feature *feature,
const char *name,
int size);
+/* Return the created enum tdesc_type named NAME in FEATURE. */
+tdesc_type_with_fields *tdesc_create_enum (struct tdesc_feature *feature,
+ const char *name,
+ int size);
+
/* Add a new field to TYPE. FIELD_NAME is its name, and FIELD_TYPE is
its type. */
void tdesc_add_field (tdesc_type_with_fields *type, const char *field_name,
struct tdesc_type *field_type);
+/* Add a new bitfield to TYPE, with range START to END. FIELD_NAME is its name,
+ and FIELD_TYPE is its type. */
+void tdesc_add_typed_bitfield (tdesc_type_with_fields *type,
+ const char *field_name,
+ int start, int end,
+ struct tdesc_type *field_type);
+
/* Set the total length of TYPE. Structs which contain bitfields may
omit the reserved bits, so the end of the last field may not
suffice. */
void tdesc_add_flag (tdesc_type_with_fields *type, int start,
const char *flag_name);
+/* Add field with VALUE and NAME to the enum TYPE. */
+void tdesc_add_enum_value (tdesc_type_with_fields *type, int value,
+ const char *name);
+
/* Create a register in feature FEATURE. */
void tdesc_create_reg (struct tdesc_feature *feature, const char *name,
int regnum, int save_restore, const char *group,
int bitsize, const char *type);
-#endif /* ARCH_TDESC_H */
+/* Return the tdesc in string XML format. */
+
+const char *tdesc_get_features_xml (const target_desc *tdesc);
+
+/* Print target description as xml. */
+
+class print_xml_feature : public tdesc_element_visitor
+{
+public:
+ print_xml_feature (std::string *buffer_)
+ : m_buffer (buffer_)
+ {}
+
+ void visit_pre (const target_desc *e) override;
+ void visit_post (const target_desc *e) override;
+ void visit_pre (const tdesc_feature *e) override;
+ void visit_post (const tdesc_feature *e) override;
+ void visit (const tdesc_type_builtin *type) override;
+ void visit (const tdesc_type_vector *type) override;
+ void visit (const tdesc_type_with_fields *type) override;
+ void visit (const tdesc_reg *reg) override;
+
+private:
+ std::string *m_buffer;
+};
+
+#endif /* COMMON_TDESC_H */
projects / deliverable / binutils-gdb.git / blobdiff