Added support for SymConst(ofs_ent)

[libfirm] / ir / be / beabi.h

diff --git a/ir/be/beabi.h b/ir/be/beabi.h
index 004abc1..e364bed 100644 (file)
--- a/ir/be/beabi.h
+++ b/ir/be/beabi.h
@@ -16,9 +16,6 @@
 #include "bearch.h"
 #include "beabi_t.h"
 
-/** Flag: if set, try to omit the frame pointer if alled by the backend */
-extern int be_omit_fp;
-
 struct _be_abi_call_flags_bits_t {
        unsigned left_to_right          : 1;  /**< Arguments are from left to right. */
        unsigned store_args_sequential  : 1;  /**< Use sequential stores for arguments. */
@@ -118,13 +115,44 @@ ir_type *be_abi_call_get_method_type(const be_abi_call_t *call);
 
 be_abi_irg_t *be_abi_introduce(be_irg_t *bi);
 void be_abi_fix_stack_bias(be_abi_irg_t *env);
-void be_abi_fix_stack_nodes(be_abi_irg_t *env);
+void be_abi_fix_stack_nodes(be_abi_irg_t *env, be_lv_t *lv);
 void be_abi_free(be_abi_irg_t *abi);
 
+/**
+ * Put the registers which are forbidden specifically for this IRG in a bitset.
+ */
 void be_abi_put_ignore_regs(be_abi_irg_t *abi, const arch_register_class_t *cls, bitset_t *bs);
+
 ir_node *be_abi_get_callee_save_irn(be_abi_irg_t *abi, const arch_register_t *reg);
 
 #define be_abi_reg_map_get(map, reg)      pmap_get((map), (void *) (reg))
 #define be_abi_reg_map_set(map, reg, irn)  pmap_insert((map), (void *) (reg), (irn))
 
-#endif
+#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 it's order.
+ * - between_type: A struct type describing the stack layout between arguments
+ *                 and frame type
+ * - 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. */
+
+       int initial_offset;
+       int stack_dir;                     /**< -1 for decreasing, 1 for increasing. */
+       entity **param_map;                /**< An array mapping type parameters to arg_type entries */
+};
+
+/**
+ * Returns the stack layout from a abi environment.
+ */
+const be_stack_layout_t *be_abi_get_stack_layout(const be_abi_irg_t *abi);
+
+#endif /* _BEABI_H */