/*
- * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
- *
* This file is part of libFirm.
- *
- * This file may be distributed and/or modified under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation and appearing in the file LICENSE.GPL included in the
- * packaging of this file.
- *
- * Licensees holding valid libFirm Professional Edition licenses may use
- * this file in accordance with the libFirm Commercial License.
- * Agreement provided with the Software.
- *
- * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
- * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE.
+ * Copyright (C) 2012 University of Karlsruhe.
*/
/**
* @file
* @brief Backend ABI implementation.
* @author Sebastian Hack
- * @version $Id$
*/
#ifndef FIRM_BE_BEABI_H
#define FIRM_BE_BEABI_H
-#include "firm_types.h"
-
-#include "pset.h"
-#include "pmap.h"
-#include "bitset.h"
+#include <stdbool.h>
-#include "be.h"
-#include "beirg.h"
-#include "bearch.h"
-#include "beabi.h"
-
-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. */
- unsigned irg_is_leaf : 1; /**< 1, if the IRG is a leaf function. */
- unsigned frame_is_setup_on_call : 1; /**< Set to one, if there is already enough room on the stack for call args. */
-};
+#include "be_types.h"
+#include "firm_types.h"
-union be_abi_call_flags_t {
- be_abi_call_flags_bits_t bits;
- unsigned val;
+struct be_abi_call_flags_t {
+ bool try_omit_fp : 1; /**< Try to omit the frame pointer. */
+ bool call_has_imm : 1; /**< A call can take the callee's address as an
+ immediate. */
};
struct be_abi_callbacks_t {
- /**
- * Initialize the callback object.
- * @param call The call object.
- * @param irg The graph with the method.
- * @return Some pointer. This pointer is passed to all other callback functions as self object.
- */
- void *(*init)(const be_abi_call_t *call, ir_graph *irg);
-
- /**
- * Destroy the callback object.
- * @param self The callback object.
- */
- void (*done)(void *self);
-
/**
* Get the between type for that call.
* @param self The callback object.
* @return The between type of for that call.
*/
- ir_type *(*get_between_type)(void *self);
-
- /**
- * Generate the prologue.
- * @param self The callback object.
- * @param mem A pointer to the mem node. Update this if you define new memory.
- * @param reg_map A map mapping all callee_save/ignore/parameter registers to their defining nodes.
- * @param stack_bias Points to the current stack bias, can be modified if needed.
- * @return The register which shall be used as a stack frame base.
- *
- * All nodes which define registers in @p reg_map must keep @p reg_map current.
- */
- const arch_register_t *(*prologue)(void *self, ir_node **mem, pmap *reg_map, int *stack_bias);
-
- /**
- * Generate the epilogue.
- * @param self The callback object.
- * @param mem Memory one can attach to.
- * @param reg_map A mapping mapping all callee_save/ignore/return registers to their defining nodes.
- *
- * All nodes which define registers in @p reg_map must keep @p reg_map current.
- * Also, the @p mem variable must be updated, if memory producing nodes are inserted.
- */
- void (*epilogue)(void *self, ir_node *bl, ir_node **mem, pmap *reg_map);
+ ir_type *(*get_between_type)(ir_graph *irg);
};
/**
* Set the flags for a call.
* @param call The call.
- * @param flags Some flags to be set.
+ * @param flags Some flags to be set.
* @param cb The call callbacks for that call.
* @note The ABI phase might change the flags due to analysis.
*/
*/
void be_abi_call_set_pop(be_abi_call_t *call, int pop);
-/**
- * Set register class for call address.
- * @param call The call.
- * @param cls The register class for call address.
- */
-void be_abi_call_set_call_address_reg_class(be_abi_call_t *call, const arch_register_class_t *cls);
-
/**
* The ABI can change when we call a function vs. when we have
* been called.
*/
be_abi_call_flags_t be_abi_call_get_flags(const be_abi_call_t *call);
-/**
- * Get the method type of an ABI call object.
- * @param call The call object.
- * @return The method type for that call object.
- */
-ir_type *be_abi_call_get_method_type(const be_abi_call_t *call);
-
-be_abi_irg_t *be_abi_introduce(ir_graph *irg);
-
-/**
- * Fix the stack bias for all nodes accessing the stack frame using the
- * stack pointer.
- */
-void be_abi_fix_stack_bias(ir_graph *irg);
-void be_abi_free(ir_graph *irg);
-
-int be_get_stack_entity_offset(be_stack_layout_t *frame, ir_entity *ent,
- int bias);
-
-/**
- * Rewire all stack modifying nodes and their users to assure SSA property.
- * @param env The abi
- */
-void be_abi_fix_stack_nodes(ir_graph *irg);
-
-/**
- * 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);
-
-void be_abi_set_non_ignore_regs(be_abi_irg_t *abi, const arch_register_class_t *cls, unsigned *raw_bitset);
-
-ir_node *be_abi_get_callee_save_irn(be_abi_irg_t *abi, const arch_register_t *reg);
-ir_node *be_abi_get_ignore_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))
+void be_abi_introduce(ir_graph *irg);
#endif
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