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Get rid of type-punning pointer casts [Bug #18062]

This commit is contained in:
Nobuyoshi Nakada 2021-08-05 20:09:25 +09:00
Родитель 7560bf6f47
Коммит a0a8f2abf5
3 изменённых файлов: 33 добавлений и 18 удалений
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4
vm_eval.c
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@ -365,9 +365,11 @@ cc_new(VALUE klass, ID mid, int argc, const rb_callable_method_entry_t *cme)
{
struct rb_class_cc_entries *ccs;
struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
VALUE ccs_data;
if (rb_id_table_lookup(cc_tbl, mid, (VALUE*)&ccs)) {
if (rb_id_table_lookup(cc_tbl, mid, &ccs_data)) {
// ok
ccs = (struct rb_class_cc_entries *)ccs_data;
}
else {
ccs = vm_ccs_create(klass, cme);

7
vm_insnhelper.c
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@ -1724,9 +1724,11 @@ vm_search_cc(const VALUE klass, const struct rb_callinfo * const ci)
const ID mid = vm_ci_mid(ci);
struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
struct rb_class_cc_entries *ccs = NULL;
VALUE ccs_data;
if (cc_tbl) {
if (rb_id_table_lookup(cc_tbl, mid, (VALUE *)&ccs)) {
if (rb_id_table_lookup(cc_tbl, mid, &ccs_data)) {
ccs = (struct rb_class_cc_entries *)ccs_data;
const int ccs_len = ccs->len;
VM_ASSERT(vm_ccs_verify(ccs, mid, klass));
@ -1790,8 +1792,9 @@ vm_search_cc(const VALUE klass, const struct rb_callinfo * const ci)
if (ccs == NULL) {
VM_ASSERT(cc_tbl != NULL);
if (LIKELY(rb_id_table_lookup(cc_tbl, mid, (VALUE*)&ccs))) {
if (LIKELY(rb_id_table_lookup(cc_tbl, mid, &ccs_data))) {
// rb_callable_method_entry() prepares ccs.
ccs = (struct rb_class_cc_entries *)ccs_data;
}
else {
// TODO: required?

40
vm_method.c
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@ -42,11 +42,11 @@ vm_ccs_dump(VALUE klass, ID target_mid)
{
struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
if (cc_tbl) {
const struct rb_class_cc_entries *ccs;
VALUE ccs;
if (target_mid) {
if (rb_id_table_lookup(cc_tbl, target_mid, (VALUE *)&ccs)) {
if (rb_id_table_lookup(cc_tbl, target_mid, &ccs)) {
fprintf(stderr, " [CCTB] %p\n", (void *)cc_tbl);
vm_ccs_dump_i(target_mid, (VALUE)ccs, NULL);
vm_ccs_dump_i(target_mid, ccs, NULL);
}
}
else {
@ -72,11 +72,11 @@ vm_mtbl_dump(VALUE klass, ID target_mid)
fprintf(stderr, "# vm_mtbl\n");
while (klass) {
rp_m(" -> ", klass);
rb_method_entry_t *me;
VALUE me;
if (RCLASS_M_TBL(klass)) {
if (target_mid != 0) {
if (rb_id_table_lookup(RCLASS_M_TBL(klass), target_mid, (VALUE *)&me)) {
if (rb_id_table_lookup(RCLASS_M_TBL(klass), target_mid, &me)) {
rp_m(" [MTBL] ", me);
}
}
@ -90,7 +90,7 @@ vm_mtbl_dump(VALUE klass, ID target_mid)
}
if (RCLASS_CALLABLE_M_TBL(klass)) {
if (target_mid != 0) {
if (rb_id_table_lookup(RCLASS_CALLABLE_M_TBL(klass), target_mid, (VALUE *)&me)) {
if (rb_id_table_lookup(RCLASS_CALLABLE_M_TBL(klass), target_mid, &me)) {
rp_m(" [CM**] ", me);
}
}
@ -132,10 +132,10 @@ rb_clear_constant_cache(void)
static void
invalidate_negative_cache(ID mid)
{
const rb_callable_method_entry_t *cme;
VALUE cme;
rb_vm_t *vm = GET_VM();
if (rb_id_table_lookup(vm->negative_cme_table, mid, (VALUE *)&cme)) {
if (rb_id_table_lookup(vm->negative_cme_table, mid, &cme)) {
rb_id_table_delete(vm->negative_cme_table, mid);
vm_cme_invalidate((rb_callable_method_entry_t *)cme);
RB_DEBUG_COUNTER_INC(cc_invalidate_negative);
@ -157,10 +157,11 @@ clear_method_cache_by_id_in_class(VALUE klass, ID mid)
// check only current class
struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
struct rb_class_cc_entries *ccs;
VALUE ccs_data;
// invalidate CCs
if (cc_tbl && rb_id_table_lookup(cc_tbl, mid, (VALUE *)&ccs)) {
if (cc_tbl && rb_id_table_lookup(cc_tbl, mid, &ccs_data)) {
struct rb_class_cc_entries *ccs = (struct rb_class_cc_entries *)ccs_data;
if (NIL_P(ccs->cme->owner)) invalidate_negative_cache(mid);
rb_vm_ccs_free(ccs);
rb_id_table_delete(cc_tbl, mid);
@ -1031,6 +1032,7 @@ prepare_callable_method_entry(VALUE defined_class, ID id, const rb_method_entry_
{
struct rb_id_table *mtbl;
const rb_callable_method_entry_t *cme;
VALUE cme_data;
if (me) {
if (me->defined_class == 0) {
@ -1040,7 +1042,8 @@ prepare_callable_method_entry(VALUE defined_class, ID id, const rb_method_entry_
mtbl = RCLASS_CALLABLE_M_TBL(defined_class);
if (mtbl && rb_id_table_lookup(mtbl, id, (VALUE *)&cme)) {
if (mtbl && rb_id_table_lookup(mtbl, id, &cme_data)) {
cme = (rb_callable_method_entry_t *)cme_data;
RB_DEBUG_COUNTER_INC(mc_cme_complement_hit);
VM_ASSERT(callable_method_entry_p(cme));
VM_ASSERT(!METHOD_ENTRY_INVALIDATED(cme));
@ -1084,9 +1087,10 @@ cached_callable_method_entry(VALUE klass, ID mid)
ASSERT_vm_locking();
struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
struct rb_class_cc_entries *ccs;
VALUE ccs_data;
if (cc_tbl && rb_id_table_lookup(cc_tbl, mid, (VALUE *)&ccs)) {
if (cc_tbl && rb_id_table_lookup(cc_tbl, mid, &ccs_data)) {
struct rb_class_cc_entries *ccs = (struct rb_class_cc_entries *)ccs_data;
VM_ASSERT(vm_ccs_p(ccs));
if (LIKELY(!METHOD_ENTRY_INVALIDATED(ccs->cme))) {
@ -1112,12 +1116,14 @@ cache_callable_method_entry(VALUE klass, ID mid, const rb_callable_method_entry_
struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
struct rb_class_cc_entries *ccs;
VALUE ccs_data;
if (!cc_tbl) {
cc_tbl = RCLASS_CC_TBL(klass) = rb_id_table_create(2);
}
if (rb_id_table_lookup(cc_tbl, mid, (VALUE *)&ccs)) {
if (rb_id_table_lookup(cc_tbl, mid, &ccs_data)) {
ccs = (struct rb_class_cc_entries *)ccs_data;
VM_ASSERT(ccs->cme == cme);
}
else {
@ -1131,8 +1137,12 @@ negative_cme(ID mid)
{
rb_vm_t *vm = GET_VM();
const rb_callable_method_entry_t *cme;
VALUE cme_data;
if (!rb_id_table_lookup(vm->negative_cme_table, mid, (VALUE *)&cme)) {
if (rb_id_table_lookup(vm->negative_cme_table, mid, &cme_data)) {
cme = (rb_callable_method_entry_t *)cme_data;
}
else {
cme = (rb_callable_method_entry_t *)rb_method_entry_alloc(mid, Qnil, Qnil, NULL);
rb_id_table_insert(vm->negative_cme_table, mid, (VALUE)cme);
}