The bad, the evil and the ugly

ir/be/beabi.h

@@ -6,30 +6,47 @@
 #ifndef _BEABI_H
 #define _BEABI_H
 
+#include "pset.h"
 #include "firm_types.h"
 
 #include "be.h"
 #include "bearch.h"
 #include "beabi_t.h"
 
-typedef struct {
-	unsigned left_to_right         :1;  /**< Arguments are from left to right. */
-	unsigned store_args_sequential :1;  /**< Use sequential stores for arguments. */
-	unsigned try_omit_fp           :1;  /**< Try to omit the frame pointer. */
-	unsigned fp_free               :1;  /**< The function can use any register as frame pointer. */
-	unsigned call_has_imm          :1;  /**< A call can take the callee's address as an immediate. */
-} be_abi_call_flags_bits_t;
+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. */
+	unsigned try_omit_fp           : 1;  /**< Try to omit the frame pointer. */
+	unsigned fp_free               : 1;  /**< The function can use any register as frame pointer. */
+	unsigned call_has_imm          : 1;  /**< A call can take the callee's address as an immediate. */
+};
 
-typedef union {
+union _be_abi_call_flags_t {
 	be_abi_call_flags_bits_t bits;
 	unsigned val;
-} be_abi_call_flags_t;
+};
 
-void be_abi_call_set_flags(be_abi_call_t *call, be_abi_call_flags_t flags, ir_type *add_frame);
+struct _be_abi_callbacks_t {
+	void *(*init)(const be_abi_call_t *call, const arch_isa_t *isa, ir_graph *irg);
+
+	void (*done)(void *self);
+
+	ir_type *(*get_between_type)(void *self);
+
+	void (*regs_saved_by_me)(void *self, pset *regs);
+
+	const arch_register_t *(*prologue)(void *self, pmap *reg_map);
+
+	void (*epilogue)(void *self, ir_node *bl, ir_node **mem, pmap *reg_map);
+};
+
+void be_abi_call_set_flags(be_abi_call_t *call, be_abi_call_flags_t flags, const be_abi_callbacks_t *cb);
 void be_abi_call_param_stack(be_abi_call_t *call, int pos);
 void be_abi_call_param_reg(be_abi_call_t *call, int pos, const arch_register_t *reg);
 void be_abi_call_res_reg(be_abi_call_t *call, int pos, const arch_register_t *reg);
 
+be_abi_call_flags_t be_abi_call_get_flags(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);