be.h

/*
 * This file is part of libFirm.
 * Copyright (C) 2012 University of Karlsruhe.
 */

#ifndef FIRM_BE_H
#define FIRM_BE_H

#include <stdio.h>
#include "irarch.h"
#include "iroptimize.h"
#include "irmode.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_SUPPORTS_ANY          = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE | ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP | ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER,
    ASM_CONSTRAINT_FLAG_NO_SUPPORT            = 1u << 3,
    ASM_CONSTRAINT_FLAG_MODIFIER_WRITE        = 1u << 4,
    ASM_CONSTRAINT_FLAG_MODIFIER_READ         = 1u << 5,
    ASM_CONSTRAINT_FLAG_MODIFIER_EARLYCLOBBER = 1u << 6,
    ASM_CONSTRAINT_FLAG_MODIFIER_COMMUTATIVE  = 1u << 7,
    ASM_CONSTRAINT_FLAG_INVALID               = 1u << 8
} asm_constraint_flags_t;
ENUM_BITSET(asm_constraint_flags_t)


typedef enum {
    DW_LANG_C89 = 0x0001,
    DW_LANG_C = 0x0002,
    DW_LANG_Ada83 = 0x0003,
    DW_LANG_C_plus_plus = 0x0004,
    DW_LANG_Cobol74 = 0x0005,
    DW_LANG_Cobol85 = 0x0006,
    DW_LANG_Fortran77 = 0x0007,
    DW_LANG_Fortran90 = 0x0008,
    DW_LANG_Pascal83 = 0x0009,
    DW_LANG_Modula2 = 0x000a,
    DW_LANG_Java = 0x000b,
    DW_LANG_C99 = 0x000c,
    DW_LANG_Ada95 = 0x000d,
    DW_LANG_Fortran95 = 0x000e,
    DW_LANG_PLI = 0x000f,
    DW_LANG_ObjC = 0x0010,
    DW_LANG_ObjC_plus_plus = 0x0011,
    DW_LANG_UPC = 0x0012,
    DW_LANG_D = 0x0013,
    DW_LANG_Python = 0x0014,
    DW_LANG_Go = 0x0016,
} dwarf_source_language;

typedef void(*lower_func)(ir_node*);

typedef struct vararg_params {
    ir_type    *va_list_type;
    lower_func  lower_va_arg;
} vararg_params;

typedef struct backend_params {
    /* Info whether this backend is unfinished. */
    char const *experimental;

    unsigned byte_order_big_endian:1;
    unsigned pic_supported:1;
    unsigned unaligned_memaccess_supported:1;
    unsigned thread_local_storage_supported:1;

    unsigned modulo_shift;

    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_double;

    unsigned stack_param_align;

    float_int_conversion_overflow_style_t float_int_overflow;

    vararg_params vararg;
} backend_params;

FIRM_API int be_parse_arg(const char *arg);

FIRM_API int be_is_big_endian(void);

FIRM_API unsigned be_get_machine_size(void);

FIRM_API ir_mode *be_get_mode_float_arithmetic(void);

FIRM_API ir_type *be_get_type_long_double(void);

FIRM_API float_int_conversion_overflow_style_t be_get_float_int_overflow(void);

FIRM_API void be_initialize(void);

FIRM_API const backend_params *be_get_backend_param(void);

FIRM_API void be_lower_for_target(void);

typedef void (*after_transform_func)(ir_graph *irg, const char *name);

FIRM_API void be_set_after_transform_func(after_transform_func func);

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);

FIRM_API void be_dwarf_set_source_language(dwarf_source_language language);

FIRM_API void be_dwarf_set_compilation_directory(const char *directory);

#include "end.h"

#endif