libfirm/be.h

Go to the documentation of this file.

/*
 * 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.
 */

#ifndef FIRM_BE_MAIN_H
#define FIRM_BE_MAIN_H

#include <stdio.h>
#include "irarch.h"
#include "lowering.h"
#include "iroptimize.h"
#include "begin.h"

typedef enum asm_constraint_flags_t {
    ASM_CONSTRAINT_FLAG_NONE                  = 0, 
    ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER     = 1u << 0,
    ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP        = 1u << 1,
    ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE    = 1u << 2,
    ASM_CONSTRAINT_FLAG_NO_SUPPORT            = 1u << 3,
    ASM_CONSTRAINT_FLAG_MODIFIER_WRITE        = 1u << 4,
    ASM_CONSTRAINT_FLAG_MODIFIER_NO_WRITE     = 1u << 5,
    ASM_CONSTRAINT_FLAG_MODIFIER_READ         = 1u << 6,
    ASM_CONSTRAINT_FLAG_MODIFIER_NO_READ      = 1u << 7,
    ASM_CONSTRAINT_FLAG_MODIFIER_EARLYCLOBBER = 1u << 8,
    ASM_CONSTRAINT_FLAG_MODIFIER_COMMUTATIVE  = 1u << 9,
    ASM_CONSTRAINT_FLAG_INVALID               = 1u << 10
} asm_constraint_flags_t;
ENUM_BITSET(asm_constraint_flags_t)


typedef ir_node *(create_trampoline_fkt)(ir_node *block, ir_node *mem, ir_node *trampoline, ir_node *env, ir_node *callee);

typedef struct backend_params {
    unsigned support_inline_asm:1;
    unsigned support_rotl:1;
    unsigned byte_order_big_endian:1;
    unsigned modulo_shift_efficient:1;
    unsigned non_modulo_shift_efficient:1;

    const ir_settings_arch_dep_t *dep_param;

    arch_allow_ifconv_func allow_ifconv;

    unsigned machine_size;

    ir_mode *mode_float_arithmetic;

    ir_type *type_long_long;

    ir_type *type_unsigned_long_long;

    ir_type *type_long_double;

    unsigned trampoline_size;

    unsigned trampoline_align;

    create_trampoline_fkt *build_trampoline;

    unsigned stack_param_align;
} backend_params;

FIRM_API int be_parse_arg(const char *arg);

FIRM_API const backend_params *be_get_backend_param(void);

FIRM_API void be_lower_for_target(void);

FIRM_API ir_prog_pass_t *lower_for_target_pass(const char *name);

FIRM_API void be_main(FILE *output, const char *compilation_unit_name);

FIRM_API asm_constraint_flags_t be_parse_asm_constraints(const char *constraints);

FIRM_API int be_is_valid_clobber(const char *clobber);

#include "end.h"

#endif