X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeirg.h;h=dc5f7cb74b205e7305b62aa797bd6be64a38d63b;hb=bdc59608633f59b0541a04883c24d19b1bc0ffae;hp=3bf81520b2299f01d1d1ff3d3e72dfe93d82f568;hpb=2922c6d1781518f7b564f28fad474d0e1c7aa7f2;p=libfirm

diff --git a/ir/be/beirg.h b/ir/be/beirg.h
index 3bf81520b..dc5f7cb74 100644
--- a/ir/be/beirg.h
+++ b/ir/be/beirg.h
@@ -43,6 +43,32 @@ void be_invalidate_dom_front(ir_graph *irg);
  */
 void be_free_birg(ir_graph *irg);
 
+/** The number of parts of the stack layout. */
+#define N_FRAME_TYPES 3
+
+/**
+ * This type describes the stack layout.
+ * The stack is divided into 3 parts:
+ * - arg_type:     A struct type describing the stack arguments and its order.
+ * - between_type: A struct type describing the stack layout between arguments
+ *                 and frame type. In architectures that put the return address
+ *                 automatically on the stack, the return address is put here.
+ * - frame_type:   A class type describing the frame layout.
+ */
+struct be_stack_layout_t {
+	ir_type *arg_type;             /**< A type describing the stack argument layout. */
+	ir_type *between_type;         /**< A type describing the "between" layout. */
+	ir_type *frame_type;           /**< The frame type. */
+
+	ir_type *order[N_FRAME_TYPES]; /**< arg, between and frame types ordered. */
+
+	ir_entity **param_map;         /**< An array mapping type parameters to arg_type entries */
+	int initial_offset;            /**< the initial difference between stack pointer and frame pointer */
+	int initial_bias;              /**< the initial stack bias */
+	bool sp_relative : 1;          /**< entities are addressed relative to
+	                                    stack pointer (omit-fp mode) */
+};
+
 /**
  * An ir_graph with additional analysis data about this irg. Also includes some
  * backend structures
@@ -51,14 +77,19 @@ typedef struct be_irg_t {
 	ir_graph              *irg;
 	be_main_env_t         *main_env;
 	be_abi_irg_t          *abi;
-	arch_code_generator_t *cg;
 	ir_exec_freq          *exec_freq;
 	be_dom_front_info_t   *dom_front;
 	be_lv_t               *lv;
+	be_stack_layout_t      stack_layout;
+	unsigned              *allocatable_regs; /**< registers available for the
+											      allocator */
+	arch_register_req_t   *sp_req; /**< requirements for stackpointer producing
+	                                    nodes. */
 	struct obstack         obst; /**< birg obstack (mainly used to keep
 	                                  register constraints which we can't keep
-	                                  in the irg obst, because it gets replace
+	                                  in the irg obst, because it gets replaced
 	                                  during code selection) */
+	void                  *isa_link; /**< architecture specific per-graph data*/
 } be_irg_t;
 
 static inline be_irg_t *be_birg_from_irg(const ir_graph *irg)
@@ -91,14 +122,14 @@ static inline be_abi_irg_t *be_get_irg_abi(const ir_graph *irg)
 	return be_birg_from_irg(irg)->abi;
 }
 
-static inline be_options_t *be_get_irg_options(const ir_graph *irg)
+static inline void be_set_irg_abi(ir_graph *irg, be_abi_irg_t *abi)
 {
-	return be_birg_from_irg(irg)->main_env->options;
+	be_birg_from_irg(irg)->abi = abi;
 }
 
-static inline arch_code_generator_t *be_get_irg_cg(const ir_graph *irg)
+static inline be_options_t *be_get_irg_options(const ir_graph *irg)
 {
-	return be_birg_from_irg(irg)->cg;
+	return be_birg_from_irg(irg)->main_env->options;
 }
 
 /** deprecated */
@@ -118,4 +149,9 @@ static inline struct obstack *be_get_be_obst(const ir_graph *irg)
 	return &birg->obst;
 }
 
-#endif /* FIRM_BE_BEIRG_H */
+static inline be_stack_layout_t *be_get_irg_stack_layout(const ir_graph *irg)
+{
+	return &be_birg_from_irg(irg)->stack_layout;
+}
+
+#endif