/*
- * 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.
*
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);
/** Sets the path at pos 0 */
void set_compound_ent_value(ir_entity *ent, ir_node *val, ir_entity *member, int pos);
+void set_entity_initializer(ir_entity *entity, ir_initializer_t *initializer);
+
+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
* @param ent Any entity of compound type with at least pos initialization values.
* @param pos The position of the value for which the offset is requested.
*/
-int get_compound_ent_value_offset_bit_remainder(ir_entity *ent, int pos);
+unsigned get_compound_ent_value_offset_bit_remainder(ir_entity *ent, int pos);
/** Return the overall offset of value at position pos in bytes.
*
* @param ent Any entity of compound type with at least pos initialization values.
* @param pos The position of the value for which the offset is requested.
*/
-int get_compound_ent_value_offset_bytes(ir_entity *ent, int pos);
+unsigned get_compound_ent_value_offset_bytes(ir_entity *ent, int pos);
/* --- Fields of entities with a class type as owner --- */
/* Overwrites is a field that specifies that an access to the overwritten
#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_mode(ir_type *tp, ir_mode* m);
-/** Returns the size of a type in bytes, returns -1 if the size is NOT
- * a byte size, i.e. not dividable by 8. */
-int get_type_size_bytes(const ir_type *tp);
-
-/** Returns the size of a type in bits. */
-int get_type_size_bits(const ir_type *tp);
+/** Returns the size of a type in bytes. */
+unsigned get_type_size_bytes(const ir_type *tp);
/** Sets the size of a type in bytes.
*
* For primitive, enumeration, pointer and method types the size
* is always fixed. This call is legal but has no effect.
*/
-void set_type_size_bytes(ir_type *tp, int size);
-
-/** Sets the size of a type in bits.
- *
- * For primitive, enumeration, pointer and method types the size
- * is always fixed. This call is legal but has no effect.
- */
-void set_type_size_bits(ir_type *tp, int size);
+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(). */
-int get_type_alignment_bytes(ir_type *tp);
+unsigned get_type_alignment_bytes(ir_type *tp);
/** Returns the alignment of a type in bits.
*
* -#.) compound types have the alignment of there biggest member.
* -#.) array types have the alignment of there element type.
* -#.) method types return 0 here.
- * -#.) all other types return 8 here (i.e. aligned at byte).
+ * -#.) all other types return 1 here (i.e. aligned at byte).
*/
-int get_type_alignment_bits(ir_type *tp);
-
-/** Sets the alignment of a type in bytes. */
-void set_type_alignment_bytes(ir_type *tp, int size);
-
-/** Sets the alignment of a type in bits.
- *
- * For method types the alignment is always fixed.
- * This call is legal but has no effect.
- */
-void set_type_alignment_bits(ir_type *tp, int size);
+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);
* 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_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.
*
* @return the entity representing the area
*/
-ir_entity *frame_alloc_area(ir_type *frame_type, int size, int alignment, int at_start);
+ir_entity *frame_alloc_area(ir_type *frame_type, int size, unsigned alignment, int at_start);
/*-----------------------------------------------------------------*/
/** Debug aides **/
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