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#ifndef SAIL_LIB
#define SAIL_LIB
#include<stdio.h>
#include<inttypes.h>
#include<stdlib.h>
#include<stdbool.h>
#include<string.h>
#include<gmp.h>
typedef int unit;
#define UNIT 0
typedef struct {
mp_bitcnt_t len;
mpz_t *bits;
} bv_t;
typedef char *sail_string;
// This function should be called whenever a pattern match failure
// occurs. Pattern match failures are always fatal.
void sail_match_failure(void) {
fprintf(stderr, "Pattern match failure\n");
exit(1);
}
bool not(const bool b) {
return !b;
}
// ***** Sail strings *****
void init_sail_string(sail_string *str) {
char *istr = (char *) malloc(1 * sizeof(char));
istr[0] = '\0';
*str = istr;
}
void set_sail_string(sail_string *str1, const sail_string str2) {
size_t len = strlen(str2);
*str1 = realloc(*str1, len + 1);
*str1 = strcpy(*str1, str2);
}
void clear_sail_string(sail_string *str) {
free(*str);
}
unit print_endline(sail_string str) {
printf("%s\n", str);
return UNIT;
}
unit print_int(const sail_string str, const mpz_t op) {
fputs(str, stdout);
mpz_out_str(stdout, 10, op);
putchar('\n');
return UNIT;
}
unit print_int64(const sail_string str, const int64_t op) {
printf("%s%" PRId64 "\n", str, op);
return UNIT;
}
// ***** Multiple precision integers *****
// We wrap around the GMP functions so they follow a consistent naming
// scheme that is shared with the other builtin sail types.
void set_mpz_t(mpz_t *rop, const mpz_t op) {
mpz_set(*rop, op);
}
void init_mpz_t(mpz_t *op) {
mpz_init(*op);
}
void clear_mpz_t(mpz_t *op) {
mpz_clear(*op);
}
void init_mpz_t_of_int64_t(mpz_t *rop, int64_t op) {
mpz_init_set_si(*rop, op);
}
void init_mpz_t_of_sail_string(mpz_t *rop, sail_string str) {
mpz_init_set_str(*rop, str, 10);
}
// ***** Sail builtins for integers *****
bool eq_int(const mpz_t op1, const mpz_t op2) {
return !abs(mpz_cmp(op1, op2));
}
bool lt(const mpz_t op1, const mpz_t op2) {
return mpz_cmp(op1, op2) < 0;
}
bool gt(const mpz_t op1, const mpz_t op2) {
return mpz_cmp(op1, op2) > 0;
}
void add_int(mpz_t *rop, const mpz_t op1, const mpz_t op2)
{
mpz_add(*rop, op1, op2);
}
void sub_int(mpz_t *rop, const mpz_t op1, const mpz_t op2)
{
mpz_sub(*rop, op1, op2);
}
void neg_int(mpz_t *rop, const mpz_t op) {
mpz_neg(*rop, op);
}
void abs_int(mpz_t *rop, const mpz_t op) {
mpz_abs(*rop, op);
}
// ***** Sail bitvectors *****
void init_bv_t(bv_t *rop) {
rop->bits = malloc(sizeof(mpz_t));
rop->len = 0;
mpz_init(*rop->bits);
}
void init_bv_t_of_uint64_t(bv_t *rop, const uint64_t op, const uint64_t len, const bool direction) {
rop->bits = malloc(sizeof(mpz_t));
rop->len = len;
mpz_init_set_ui(*rop->bits, op);
}
void set_bv_t(bv_t *rop, const bv_t op) {
rop->len = op.len;
mpz_set(*rop->bits, *op.bits);
}
void append_64(bv_t *rop, bv_t op, const uint64_t chunk) {
rop->len = rop->len + 64ul;
mpz_mul_2exp(*rop->bits, *op.bits, 64ul);
mpz_add_ui(*rop->bits, *rop->bits, chunk);
}
uint64_t convert_uint64_t_of_bv_t(const bv_t op) {
return mpz_get_ui(*op.bits);
}
void zeros(bv_t *rop, const mpz_t op) {
rop->len = mpz_get_ui(op);
mpz_set_ui(*rop->bits, 0ul);
}
void zero_extend(bv_t *rop, const bv_t op, const mpz_t len) {
rop->len = mpz_get_ui(len);
mpz_set(*rop->bits, *op.bits);
}
void clear_bv_t(bv_t *rop) {
mpz_clear(*rop->bits);
free(rop->bits);
}
void mask(bv_t *rop) {
if (mpz_sizeinbase(*rop->bits, 2) > rop->len) {
mpz_t m;
mpz_init(m);
mpz_ui_pow_ui(m, 2ul, rop->len);
mpz_sub_ui(m, m, 1ul);
mpz_and(*rop->bits, *rop->bits, m);
mpz_clear(m);
}
}
void add_bits(bv_t *rop, const bv_t op1, const bv_t op2) {
rop->len = op1.len;
mpz_add(*rop->bits, *op1.bits, *op2.bits);
mpz_clrbit(*rop->bits, op1.len);
}
void add_bits_int(bv_t *rop, const bv_t op1, const mpz_t op2) {
rop->len = op1.len;
mpz_add(*rop->bits, *op1.bits, op2);
mask(rop);
}
unit print_bits(const sail_string str, const bv_t op) {
fputs(str, stdout);
gmp_printf("%d'0x%ZX\n", op.len, op.bits);
}
#endif
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