BIF_RETTYPE bit_size_1(BIF_ALIST_1)
{
Uint low_bits;
Uint bytesize;
Uint high_bits;
if (is_binary(BIF_ARG_1)) {
bytesize = binary_size(BIF_ARG_1);
high_bits = bytesize >> ((sizeof(Uint) * 8)-3);
low_bits = (bytesize << 3) + binary_bitsize(BIF_ARG_1);
if (high_bits == 0) {
if (IS_USMALL(0,low_bits)) {
BIF_RET(make_small(low_bits));
} else {
Eterm* hp = HAlloc(BIF_P, BIG_UINT_HEAP_SIZE);
BIF_RET(uint_to_big(low_bits, hp));
}
} else {
Uint sz = BIG_UINT_HEAP_SIZE+1;
Eterm* hp = HAlloc(BIF_P, sz);
hp[0] = make_pos_bignum_header(sz-1);
BIG_DIGIT(hp,0) = low_bits;
BIG_DIGIT(hp,1) = high_bits;
BIF_RET(make_big(hp));
}
} else {
ERL_NIF_TERM enif_make_uint(ErlNifEnv* env, unsigned i)
{
#if SIZEOF_INT == ERTS_SIZEOF_ETERM
return IS_USMALL(0,i) ? make_small(i) : uint_to_big(i,alloc_heap(env,2));
#elif SIZEOF_LONG == ERTS_SIZEOF_ETERM
return make_small(i);
#endif
}
ERL_NIF_TERM enif_make_ulong(ErlNifEnv* env, unsigned long i)
{
if (IS_USMALL(0,i)) {
return make_small(i);
}
#if SIZEOF_LONG == ERTS_SIZEOF_ETERM
return uint_to_big(i,alloc_heap(env,2));
#elif SIZEOF_LONG == 8
ensure_heap(env,3);
return erts_uint64_to_big(i, &env->hp);
#endif
}
BIF_RETTYPE
erts_debug_size_shared_1(BIF_ALIST_1)
{
Process* p = BIF_P;
Eterm term = BIF_ARG_1;
Uint size = size_shared(term);
if (IS_USMALL(0, size)) {
BIF_RET(make_small(size));
} else {
Eterm* hp = HAlloc(p, BIG_UINT_HEAP_SIZE);
BIF_RET(uint_to_big(size, hp));
}
}
BIF_RETTYPE abs_1(BIF_ALIST_1)
{
Eterm res;
Sint i0, i;
Eterm* hp;
/* integer arguments */
if (is_small(BIF_ARG_1)) {
i0 = signed_val(BIF_ARG_1);
i = ERTS_SMALL_ABS(i0);
if (i0 == MIN_SMALL) {
hp = HAlloc(BIF_P, BIG_UINT_HEAP_SIZE);
BIF_RET(uint_to_big(i, hp));
} else {
BIF_RET(make_small(i));
}
} else if (is_big(BIF_ARG_1)) {
if (!big_sign(BIF_ARG_1)) {
BIF_RET(BIF_ARG_1);
} else {
int sz = big_arity(BIF_ARG_1) + 1;
Uint* x;
hp = HAlloc(BIF_P, sz); /* See note at beginning of file */
sz--;
res = make_big(hp);
x = big_val(BIF_ARG_1);
*hp++ = make_pos_bignum_header(sz);
x++; /* skip thing */
while(sz--)
*hp++ = *x++;
BIF_RET(res);
}
} else if (is_float(BIF_ARG_1)) {
FloatDef f;
GET_DOUBLE(BIF_ARG_1, f);
if (f.fd < 0.0) {
hp = HAlloc(BIF_P, FLOAT_SIZE_OBJECT);
f.fd = fabs(f.fd);
res = make_float(hp);
PUT_DOUBLE(f, hp);
BIF_RET(res);
}
else
BIF_RET(BIF_ARG_1);
}
BIF_ERROR(BIF_P, BADARG);
}
BIF_RETTYPE size_1(BIF_ALIST_1)
{
if (is_tuple(BIF_ARG_1)) {
Eterm* tupleptr = tuple_val(BIF_ARG_1);
BIF_RET(make_small(arityval(*tupleptr)));
} else if (is_binary(BIF_ARG_1)) {
Uint sz = binary_size(BIF_ARG_1);
if (IS_USMALL(0, sz)) {
return make_small(sz);
} else {
Eterm* hp = HAlloc(BIF_P, BIG_UINT_HEAP_SIZE);
BIF_RET(uint_to_big(sz, hp));
}
}
BIF_ERROR(BIF_P, BADARG);
}
Eterm erts_instr_get_memory_map(Process *proc)
{
MapStatBlock_t *org_mem_anchor;
Eterm hdr_tuple, md_list, res;
Eterm *hp;
Uint hsz;
MapStatBlock_t *bp;
#ifdef DEBUG
Eterm *end_hp;
#endif
if (!erts_instr_memory_map)
return am_false;
if (!atoms_initialized)
init_atoms();
if (!am_n)
init_am_n();
if (!am_c)
init_am_c();
if (!am_a)
init_am_a();
erts_mtx_lock(&instr_x_mutex);
erts_mtx_lock(&instr_mutex);
/* Header size */
hsz = 5 + 1 + (ERTS_ALC_N_MAX+1-ERTS_ALC_N_MIN)*(1 + 4);
/* Memory data list */
for (bp = mem_anchor; bp; bp = bp->next) {
if (is_internal_pid(bp->pid)) {
#if (_PID_NUM_SIZE - 1 > MAX_SMALL)
if (internal_pid_number(bp->pid) > MAX_SMALL)
hsz += BIG_UINT_HEAP_SIZE;
#endif
#if (_PID_SER_SIZE - 1 > MAX_SMALL)
if (internal_pid_serial(bp->pid) > MAX_SMALL)
hsz += BIG_UINT_HEAP_SIZE;
#endif
hsz += 4;
}
if ((UWord) bp->mem > MAX_SMALL)
hsz += BIG_UINT_HEAP_SIZE;
if (bp->size > MAX_SMALL)
hsz += BIG_UINT_HEAP_SIZE;
hsz += 5 + 2;
}
hsz += 3; /* Root tuple */
org_mem_anchor = mem_anchor;
mem_anchor = NULL;
erts_mtx_unlock(&instr_mutex);
hp = HAlloc(proc, hsz); /* May end up calling map_stat_alloc() */
erts_mtx_lock(&instr_mutex);
#ifdef DEBUG
end_hp = hp + hsz;
#endif
{ /* Build header */
ErtsAlcType_t n;
Eterm type_map;
Uint *hp2 = hp;
#ifdef DEBUG
Uint *hp2_end;
#endif
hp += (ERTS_ALC_N_MAX + 1 - ERTS_ALC_N_MIN)*4;
#ifdef DEBUG
hp2_end = hp;
#endif
type_map = make_tuple(hp);
*(hp++) = make_arityval(ERTS_ALC_N_MAX + 1 - ERTS_ALC_N_MIN);
for (n = ERTS_ALC_N_MIN; n <= ERTS_ALC_N_MAX; n++) {
ErtsAlcType_t t = ERTS_ALC_N2T(n);
ErtsAlcType_t a = ERTS_ALC_T2A(t);
ErtsAlcType_t c = ERTS_ALC_T2C(t);
if (!erts_allctrs_info[a].enabled)
a = ERTS_ALC_A_SYSTEM;
*(hp++) = TUPLE3(hp2, am_n[n], am_a[a], am_c[c]);
hp2 += 4;
}
ASSERT(hp2 == hp2_end);
hdr_tuple = TUPLE4(hp,
am.instr_hdr,
make_small(ERTS_INSTR_VSN),
make_small(MAP_STAT_BLOCK_HEADER_SIZE),
type_map);
hp += 5;
}
/* Build memory data list */
for (md_list = NIL, bp = org_mem_anchor; bp; bp = bp->next) {
Eterm tuple;
Eterm type;
Eterm ptr;
Eterm size;
Eterm pid;
if (is_not_internal_pid(bp->pid))
pid = am_undefined;
else {
Eterm c;
Eterm n;
Eterm s;
#if (ERST_INTERNAL_CHANNEL_NO > MAX_SMALL)
#error Oversized internal channel number
#endif
c = make_small(ERST_INTERNAL_CHANNEL_NO);
#if (_PID_NUM_SIZE - 1 > MAX_SMALL)
if (internal_pid_number(bp->pid) > MAX_SMALL) {
n = uint_to_big(internal_pid_number(bp->pid), hp);
hp += BIG_UINT_HEAP_SIZE;
}
else
#endif
n = make_small(internal_pid_number(bp->pid));
#if (_PID_SER_SIZE - 1 > MAX_SMALL)
if (internal_pid_serial(bp->pid) > MAX_SMALL) {
s = uint_to_big(internal_pid_serial(bp->pid), hp);
hp += BIG_UINT_HEAP_SIZE;
}
else
#endif
s = make_small(internal_pid_serial(bp->pid));
pid = TUPLE3(hp, c, n, s);
hp += 4;
}
#if ERTS_ALC_N_MAX > MAX_SMALL
#error Oversized memory type number
#endif
type = make_small(bp->type_no);
if ((UWord) bp->mem > MAX_SMALL) {
ptr = uint_to_big((UWord) bp->mem, hp);
hp += BIG_UINT_HEAP_SIZE;
}
else
ptr = make_small((UWord) bp->mem);
if (bp->size > MAX_SMALL) {
size = uint_to_big(bp->size, hp);
hp += BIG_UINT_HEAP_SIZE;
}
else
size = make_small(bp->size);
tuple = TUPLE4(hp, type, ptr, size, pid);
hp += 5;
md_list = CONS(hp, tuple, md_list);
hp += 2;
}
res = TUPLE2(hp, hdr_tuple, md_list);
ASSERT(hp + 3 == end_hp);
if (mem_anchor) {
for (bp = mem_anchor; bp->next; bp = bp->next)
;
ASSERT(org_mem_anchor);
org_mem_anchor->prev = bp;
bp->next = org_mem_anchor;
}
else {
mem_anchor = org_mem_anchor;
}
erts_mtx_unlock(&instr_mutex);
erts_mtx_unlock(&instr_x_mutex);
return res;
}
