arch.h

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#ifndef YASM_ARCH_H
#define YASM_ARCH_H

typedef enum yasm_arch_create_error {
    YASM_ARCH_CREATE_OK = 0,            
    YASM_ARCH_CREATE_BAD_MACHINE,       
    YASM_ARCH_CREATE_BAD_PARSER         
} yasm_arch_create_error;

typedef enum yasm_arch_insnprefix {
    YASM_ARCH_NOTINSNPREFIX = 0,        
    YASM_ARCH_INSN,                     
    YASM_ARCH_PREFIX                    
} yasm_arch_insnprefix;

typedef enum yasm_arch_regtmod {
    YASM_ARCH_NOTREGTMOD = 0,           
    YASM_ARCH_REG,                      
    YASM_ARCH_REGGROUP,                 
    YASM_ARCH_SEGREG,                   
    YASM_ARCH_TARGETMOD                 
} yasm_arch_regtmod;

#ifndef YASM_DOXYGEN

typedef struct yasm_arch_base {
    const struct yasm_arch_module *module;
} yasm_arch_base;
#endif

typedef struct yasm_arch_machine {
    const char *name;

    const char *keyword;
} yasm_arch_machine;

typedef struct yasm_arch_module {
    const char *name;

    const char *keyword;

    /*@null@*/ const yasm_directive *directives;

    /*@only@*/ yasm_arch * (*create) (const char *machine, const char *parser,
                                      /*@out@*/ yasm_arch_create_error *error);

    void (*destroy) (/*@only@*/ yasm_arch *arch);

    const char * (*get_machine) (const yasm_arch *arch);

    unsigned int (*get_address_size) (const yasm_arch *arch);

    int (*set_var) (yasm_arch *arch, const char *var, unsigned long val);

    yasm_arch_insnprefix (*parse_check_insnprefix)
        (yasm_arch *arch, const char *id, size_t id_len, unsigned long line,
         /*@out@*/ /*@only@*/ yasm_bytecode **bc, /*@out@*/ uintptr_t *prefix);

    yasm_arch_regtmod (*parse_check_regtmod)
        (yasm_arch *arch, const char *id, size_t id_len,
         /*@out@*/ uintptr_t *data);

    const unsigned char ** (*get_fill) (const yasm_arch *arch);

    int (*floatnum_tobytes) (yasm_arch *arch, const yasm_floatnum *flt,
                             unsigned char *buf, size_t destsize,
                             size_t valsize, size_t shift, int warn);

    int (*intnum_tobytes) (yasm_arch *arch, const yasm_intnum *intn,
                           unsigned char *buf, size_t destsize, size_t valsize,
                           int shift, const yasm_bytecode *bc,
                           int warn);

    unsigned int (*get_reg_size) (yasm_arch *arch, uintptr_t reg);

    uintptr_t (*reggroup_get_reg) (yasm_arch *arch, uintptr_t reggroup,
                                   unsigned long regindex);

    void (*reg_print) (yasm_arch *arch, uintptr_t reg, FILE *f);

    void (*segreg_print) (yasm_arch *arch, uintptr_t segreg, FILE *f);

    yasm_effaddr * (*ea_create) (yasm_arch *arch, /*@keep@*/ yasm_expr *e);

    void (*ea_destroy) (/*@only@*/ yasm_effaddr *ea);

    void (*ea_print) (const yasm_effaddr *ea, FILE *f, int indent_level);

    /*@only@*/ yasm_bytecode * (*create_empty_insn) (yasm_arch *arch,
                                                     unsigned long line);

    const yasm_arch_machine *machines;

    const char *default_machine_keyword;

    unsigned int wordsize;

    unsigned int min_insn_len;
} yasm_arch_module;

const char *yasm_arch_name(const yasm_arch *arch);

const char *yasm_arch_keyword(const yasm_arch *arch);

unsigned int yasm_arch_wordsize(const yasm_arch *arch);

unsigned int yasm_arch_min_insn_len(const yasm_arch *arch);

/*@only@*/ yasm_arch *yasm_arch_create(const yasm_arch_module *module,
                                       const char *machine, const char *parser,
                                       /*@out@*/ yasm_arch_create_error *error);

void yasm_arch_destroy(/*@only@*/ yasm_arch *arch);

const char *yasm_arch_get_machine(const yasm_arch *arch);

unsigned int yasm_arch_get_address_size(const yasm_arch *arch);

int yasm_arch_set_var(yasm_arch *arch, const char *var, unsigned long val);

yasm_arch_insnprefix yasm_arch_parse_check_insnprefix
    (yasm_arch *arch, const char *id, size_t id_len, unsigned long line,
     /*@out@*/ /*@only@*/ yasm_bytecode **bc, /*@out@*/ uintptr_t *prefix);

yasm_arch_regtmod yasm_arch_parse_check_regtmod
    (yasm_arch *arch, const char *id, size_t id_len,
     /*@out@*/ uintptr_t *data);

const unsigned char **yasm_arch_get_fill(const yasm_arch *arch);

int yasm_arch_floatnum_tobytes(yasm_arch *arch, const yasm_floatnum *flt,
                               unsigned char *buf, size_t destsize,
                               size_t valsize, size_t shift, int warn);

int yasm_arch_intnum_tobytes(yasm_arch *arch, const yasm_intnum *intn,
                             unsigned char *buf, size_t destsize,
                             size_t valsize, int shift,
                             const yasm_bytecode *bc, int warn);

unsigned int yasm_arch_get_reg_size(yasm_arch *arch, uintptr_t reg);

uintptr_t yasm_arch_reggroup_get_reg(yasm_arch *arch, uintptr_t reggroup,
                                     unsigned long regindex);

void yasm_arch_reg_print(yasm_arch *arch, uintptr_t reg, FILE *f);

void yasm_arch_segreg_print(yasm_arch *arch, uintptr_t segreg, FILE *f);

yasm_effaddr *yasm_arch_ea_create(yasm_arch *arch, /*@keep@*/ yasm_expr *e);

void yasm_arch_ea_destroy(yasm_arch *arch, /*@only@*/ yasm_effaddr *ea);

void yasm_arch_ea_print(const yasm_arch *arch, const yasm_effaddr *ea,
                        FILE *f, int indent_level);

/*@only@*/ yasm_bytecode *yasm_arch_create_empty_insn(yasm_arch *arch,
                                                      unsigned long line);

#ifndef YASM_DOXYGEN

/* Inline macro implementations for arch functions */

#define yasm_arch_name(arch) \
    (((yasm_arch_base *)arch)->module->name)
#define yasm_arch_keyword(arch) \
    (((yasm_arch_base *)arch)->module->keyword)
#define yasm_arch_wordsize(arch) \
    (((yasm_arch_base *)arch)->module->wordsize)
#define yasm_arch_min_insn_len(arch) \
    (((yasm_arch_base *)arch)->module->min_insn_len)

#define yasm_arch_create(module, machine, parser, error) \
    module->create(machine, parser, error)

#define yasm_arch_destroy(arch) \
    ((yasm_arch_base *)arch)->module->destroy(arch)
#define yasm_arch_get_machine(arch) \
    ((yasm_arch_base *)arch)->module->get_machine(arch)
#define yasm_arch_get_address_size(arch) \
    ((yasm_arch_base *)arch)->module->get_address_size(arch)
#define yasm_arch_set_var(arch, var, val) \
    ((yasm_arch_base *)arch)->module->set_var(arch, var, val)
#define yasm_arch_parse_check_insnprefix(arch, id, id_len, line, bc, prefix) \
    ((yasm_arch_base *)arch)->module->parse_check_insnprefix \
        (arch, id, id_len, line, bc, prefix)
#define yasm_arch_parse_check_regtmod(arch, id, id_len, data) \
    ((yasm_arch_base *)arch)->module->parse_check_regtmod \
        (arch, id, id_len, data)
#define yasm_arch_get_fill(arch) \
    ((yasm_arch_base *)arch)->module->get_fill(arch)
#define yasm_arch_floatnum_tobytes(arch, flt, buf, destsize, valsize, shift, \
                                   warn) \
    ((yasm_arch_base *)arch)->module->floatnum_tobytes \
        (arch, flt, buf, destsize, valsize, shift, warn)
#define yasm_arch_intnum_tobytes(arch, intn, buf, destsize, valsize, shift, \
                                 bc, warn) \
    ((yasm_arch_base *)arch)->module->intnum_tobytes \
        (arch, intn, buf, destsize, valsize, shift, bc, warn)
#define yasm_arch_get_reg_size(arch, reg) \
    ((yasm_arch_base *)arch)->module->get_reg_size(arch, reg)
#define yasm_arch_reggroup_get_reg(arch, regg, regi) \
    ((yasm_arch_base *)arch)->module->reggroup_get_reg(arch, regg, regi)
#define yasm_arch_reg_print(arch, reg, f) \
    ((yasm_arch_base *)arch)->module->reg_print(arch, reg, f)
#define yasm_arch_segreg_print(arch, segreg, f) \
    ((yasm_arch_base *)arch)->module->segreg_print(arch, segreg, f)
#define yasm_arch_ea_create(arch, e) \
    ((yasm_arch_base *)arch)->module->ea_create(arch, e)
#define yasm_arch_ea_destroy(arch, ea) \
    ((yasm_arch_base *)arch)->module->ea_destroy(ea)
#define yasm_arch_ea_print(arch, ea, f, i) \
    ((yasm_arch_base *)arch)->module->ea_print(ea, f, i)
#define yasm_arch_create_empty_insn(arch, line) \
    ((yasm_arch_base *)arch)->module->create_empty_insn(arch, line)

#endif

#endif