/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
GCC: __attribute__((naked)). */
mtp_property_malloc = 0x00000020, /**< This method returns newly allocate memory.
GCC: __attribute__((malloc)). */
- mtp_property_intrinsic = 0x00000040, /**< This method is intrinsic. It is expected that
+ mtp_property_weak = 0x00000040, /**< This method is weak. It is expected that
+ GCC: __attribute__((weak)). */
+ mtp_property_intrinsic = 0x00000080, /**< This method is intrinsic. It is expected that
a lowering phase will remove all calls to it. */
- mtp_property_runtime = 0x00000080, /**< This method represents a runtime routine. */
- mtp_property_private = 0x00000100, /**< All method invocations are known, the backend is free to
+ mtp_property_runtime = 0x00000100, /**< This method represents a runtime routine. */
+ mtp_property_private = 0x00000200, /**< All method invocations are known, the backend is free to
optimize the call in any possible way. */
+ mtp_property_has_loop = 0x00000400, /**< Set, if this method contains one possible endless loop. */
mtp_property_inherited = (1<<31) /**< Internal. Used only in irg's, means property is
inherited from type. */
} mtp_additional_property;
/** This enumeration flags the stickyness of an entity. */
typedef enum {
- stickyness_unsticky, /**< The entity can be removed from
- the program, unless contraindicated
- by other attributes. Default. */
- stickyness_sticky /**< The entity must remain in the
- program in any case. */
+ stickyness_unsticky, /**< The entity can be removed from
+ the program, unless contraindicated
+ by other attributes. Default. */
+ stickyness_sticky /**< The entity must remain in the
+ program in any case. There might be external
+ callers. */
} ir_stickyness;
/** Get the entity's stickyness. */
void set_entity_backend_marked(ir_entity *ent, int flag);
/**
- * The state of the address_taken flag.
+ * Bitfield type indicating the way an entity is used.
*/
typedef enum {
- ir_address_not_taken = 0, /**< The address is NOT taken. */
- ir_address_taken_unknown = 1, /**< The state of the address taken flag is unknown. */
- ir_address_taken = 2 /**< The address IS taken. */
-} ir_address_taken_state;
-
-/** Return the state of the address taken flag of an entity. */
-ir_address_taken_state get_entity_address_taken(const ir_entity *ent);
+ ir_usage_none = 0, /**< This entity is unused. */
+ ir_usage_address_taken = 1 << 0, /**< The address of this entity was taken. */
+ ir_usage_write = 1 << 1, /**< The entity was written to. */
+ ir_usage_read = 1 << 2, /**< The entity was read. */
+ ir_usage_reinterpret_cast = 1 << 3, /**< The entity was read but with a wrong mode
+ (an implicit reinterpret cast) */
+ /** Unknown access */
+ ir_usage_unknown
+ = ir_usage_address_taken | ir_usage_write | ir_usage_read
+ | ir_usage_reinterpret_cast
+} ir_entity_usage;
+
+/** Return the entity usage */
+ir_entity_usage get_entity_usage(const ir_entity *ent);
/** Sets/resets the state of the address taken flag of an entity. */
-void set_entity_address_taken(ir_entity *ent, ir_address_taken_state flag);
-
-/** Return the name of the address_taken state. */
-const char *get_address_taken_state_name(ir_address_taken_state state);
+void set_entity_usage(ir_entity *ent, ir_entity_usage flag);
/**
* Returns the debug information of an entity.
ir_node *get_atomic_ent_value(ir_entity *ent);
void set_atomic_ent_value(ir_entity *ent, ir_node *val);
+/** the kind (type) of an initializer */
+typedef enum ir_initializer_kind_t {
+ /** initializer containing an ir_node from the const-code irg */
+ IR_INITIALIZER_CONST,
+ /** initializer containing a tarval */
+ IR_INITIALIZER_TARVAL,
+ /** initializes type with default values (usually 0) */
+ IR_INITIALIZER_NULL,
+ /** list of initializers used to initializer a compound or array type */
+ IR_INITIALIZER_COMPOUND
+} ir_initializer_kind_t;
+
+/** returns kind of an initializer */
+ir_initializer_kind_t get_initializer_kind(const ir_initializer_t *initializer);
+
+/**
+ * returns the null initializer (there's only one instance of it in a program )
+ */
+ir_initializer_t *get_initializer_null(void);
+
+/**
+ * creates an initializer containing a reference to a node on the const-code
+ * irg.
+ */
+ir_initializer_t *create_initializer_const(ir_node *value);
+
+/** creates an initializer containing a single tarval value */
+ir_initializer_t *create_initializer_tarval(tarval *tv);
+
+/** return value contained in a const initializer */
+ir_node *get_initializer_const_value(const ir_initializer_t *initializer);
+
+/** return value contained in a tarval initializer */
+tarval *get_initializer_tarval_value(const ir_initializer_t *initialzier);
+
+/** creates a compound initializer which holds @p n_entries entries */
+ir_initializer_t *create_initializer_compound(unsigned n_entries);
+
+/** returns the number of entries in a compound initializer */
+unsigned get_initializer_compound_n_entries(const ir_initializer_t *initializer);
+
+/** sets entry with index @p index to the initializer @p value */
+void set_initializer_compound_value(ir_initializer_t *initializer,
+ unsigned index, ir_initializer_t *value);
+
+/** returns the value with index @p index of a compound initializer */
+ir_initializer_t *get_initializer_compound_value(
+ const ir_initializer_t *initializer, unsigned index);
+
/** Creates a new compound graph path of given length. */
compound_graph_path *new_compound_graph_path(ir_type *tp, int length);
/** Returns the length of a graph path */
int get_compound_graph_path_length(const compound_graph_path *gr);
+/** Get the entity node of an compound graph path at position pos. */
ir_entity *get_compound_graph_path_node(const compound_graph_path *gr, int pos);
-void set_compound_graph_path_node(compound_graph_path *gr, int pos, ir_entity *node);
-int get_compound_graph_path_array_index(const compound_graph_path *gr, int pos);
-void set_compound_graph_path_array_index(compound_graph_path *gr, int pos, int index);
+/** Set the entity node of an compound graph path at position pos. */
+void set_compound_graph_path_node(compound_graph_path *gr, int pos, ir_entity *node);
+/** Get the index of an compound graph path at position pos. */
+int get_compound_graph_path_array_index(const compound_graph_path *gr, int pos);
+/** Set the index of an compound graph path at position pos. */
+void set_compound_graph_path_array_index(compound_graph_path *gr, int pos, int index);
+/** Get the type of an compound graph path. */
+ir_type *get_compound_graph_path_type(const compound_graph_path *gr);
/** Checks whether the path up to pos is correct. If the path contains a NULL,
* assumes the path is not complete and returns non-zero. */
/** Sets the path at pos 0 */
void set_compound_ent_value(ir_entity *ent, ir_node *val, ir_entity *member, int pos);
+/** Sets the new style initializers of an entity. */
+void set_entity_initializer(ir_entity *entity, ir_initializer_t *initializer);
+
+/** Return the new style initializers of an entity. */
+ir_initializer_t *get_entity_initializer(const ir_entity *entity);
+
/** Initializes the entity ent which must be of a one dimensional
array type with the values given in the values array.
The array must have a lower and an upper bound. Keeps the
long get_entity_nr(const ir_entity *ent);
/** Returns the entities visited count. */
-unsigned long get_entity_visited(ir_entity *ent);
+ir_visited_t get_entity_visited(ir_entity *ent);
/** Sets the entities visited count. */
-void set_entity_visited(ir_entity *ent, unsigned long num);
+void set_entity_visited(ir_entity *ent, ir_visited_t num);
/** Sets visited field in entity to entity_visited. */
void mark_entity_visited(ir_entity *ent);
#define IS_WRITTEN(a) ((a) & ptr_access_write)
#define IS_STORED(a) ((a) & ptr_access_store)
-/**
- * Supported image sections.
- * Currently only methods can be placed in different sections.
- */
-typedef enum {
- section_text, /**< The code segment. This is the default for methods. */
- section_constructors /**< The constructor section. */
-} ir_img_section;
-
-/** Returns the section of a method. */
-ir_img_section get_method_img_section(const ir_entity *method);
-
-/** Sets the section of a method. */
-void set_method_img_section(ir_entity *method, ir_img_section section);
-
-
/**
* @page tyop type operations
* This module specifies the kinds of types available in firm.
*/
void set_type_size_bytes(ir_type *tp, unsigned size);
-/** Returns the alignment of a type in bytes.
- *
- * Returns -1 if the alignment is NOT
- * a byte size, i.e. not dividable by 8. Calls get_type_alignment_bits(). */
+/** Returns the alignment of a type in bytes. */
unsigned get_type_alignment_bytes(ir_type *tp);
/** Returns the alignment of a type in bits.
void set_type_alignment_bytes(ir_type *tp, unsigned align);
/** Returns the visited count of a type. */
-unsigned long get_type_visited(const ir_type *tp);
+ir_visited_t get_type_visited(const ir_type *tp);
/** Sets the visited count of a type to num. */
-void set_type_visited(ir_type *tp, unsigned long num);
+void set_type_visited(ir_type *tp, ir_visited_t num);
/** Sets visited field in type to type_visited. */
void mark_type_visited(ir_type *tp);
/** Returns non-zero if the type is already visited */
*
* @see typewalk
*/
-void set_master_type_visited(unsigned long val);
-unsigned long get_master_type_visited(void);
-void inc_master_type_visited(void);
+void set_master_type_visited(ir_visited_t val);
+ir_visited_t get_master_type_visited(void);
+void inc_master_type_visited(void);
/**
* Sets the debug information of a type.
* The arrays for the parameter and result types are not initialized by
* the constructor.
*/
-ir_type *new_d_type_method(ident *name, int n_param, int n_res, dbg_info* db);
+ir_type *new_d_type_method(ident *name, int n_param, int n_res, dbg_info *db);
+
+/** Clone an existing method type.
+ *
+ * @param tp the method type to clone.
+ * @param prefix if non-null, will be the prefix for the name of
+ * the cloned type
+ *
+ * @return the cloned method type.
+ */
+ir_type *clone_type_method(ir_type *tp, ident *prefix);
/* -- manipulate private fields of method. -- */
* upper 8 encode the calling conventions.
*/
typedef enum {
- cc_reg_param = 0x01000000, /**< Transmit parameters in registers, else the stack is used.
- This flag may be set as default on some architectures. */
- cc_last_on_top = 0x02000000, /**< The last non-register parameter is transmitted on top of
- the stack. This is equivalent to the pascal
- calling convention. If this flag is not set, the first
- non-register parameter is used (stdcall or cdecl
- calling convention) */
- cc_callee_clear_stk = 0x04000000, /**< The callee clears the stack. This forbids variadic
- function calls (stdcall). */
- cc_this_call = 0x08000000, /**< The first parameter is a this pointer and is transmitted
- in a special way. */
- cc_compound_ret = 0x10000000, /**< the method returns a compound
- type */
-
- cc_bits = (0xFF << 24) /**< the calling convention bits */
+ cc_reg_param = 0x01000000, /**< Transmit parameters in registers, else the stack is used.
+ This flag may be set as default on some architectures. */
+ cc_last_on_top = 0x02000000, /**< The last non-register parameter is transmitted on top of
+ the stack. This is equivalent to the pascal
+ calling convention. If this flag is not set, the first
+ non-register parameter is used (stdcall or cdecl
+ calling convention) */
+ cc_callee_clear_stk = 0x04000000, /**< The callee clears the stack. This forbids variadic
+ function calls (stdcall). */
+ cc_this_call = 0x08000000, /**< The first parameter is a this pointer and is transmitted
+ in a special way. */
+ cc_compound_ret = 0x10000000, /**< The method returns a compound type. */
+ cc_frame_on_caller_stk = 0x20000000, /**< The method did not allocate an own stack frame, instead the
+ caller must reserve size on its own stack. */
+ cc_fpreg_param = 0x40000000, /**< Transmit floating point parameters in registers, else the stack is used. */
+ cc_bits = (0xFF << 24)/**< The calling convention bits. */
} calling_convention;
/* some often used cases: made as defines because firmjni cannot handle two
*/
ir_type *new_type_frame(ident *name);
+/**
+ * Makes a clone of a frame type.
+ * Sets entity links from old frame entities to new onces and
+ * vice versa.
+ */
+ir_type *clone_frame_type(ir_type *type);
+
/**
* Sets a lowered type for a type. This sets both associations
* and marks lowered_type as a "lowered" one.
* @param tore points to the visited type or entity
* @param env free environment pointer
*/
-typedef void type_walk_func(type_or_ent *tore, void *env);
+typedef void type_walk_func(type_or_ent tore, void *env);
/** The class walk function
*
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