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Unpin and update VM references

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This commit just unpins and updates VM references
This commit is contained in:
Aaron Patterson 2020-05-21 10:48:02 -07:00
parent ba7f4bb0af
commit a53e2850c5
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GPG key ID: 953170BCB4FFAFC6
1 changed files with 51 additions and 23 deletions
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74
vm.c
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@ -2250,7 +2250,33 @@ rb_vm_update_references(void *ptr)
{
if (ptr) {
rb_vm_t *vm = ptr;
rb_thread_t *th = 0;
rb_gc_update_tbl_refs(vm->frozen_strings);
list_for_each(&vm->living_threads, th, vmlt_node) {
th->self = rb_gc_location(th->self);
}
vm->thgroup_default = rb_gc_location(vm->thgroup_default);
vm->mark_object_ary = rb_gc_location(vm->mark_object_ary);
vm->load_path = rb_gc_location(vm->load_path);
vm->load_path_snapshot = rb_gc_location(vm->load_path_snapshot);
if (vm->load_path_check_cache) {
vm->load_path_check_cache = rb_gc_location(vm->load_path_check_cache);
}
vm->expanded_load_path = rb_gc_location(vm->expanded_load_path);
vm->loaded_features = rb_gc_location(vm->loaded_features);
vm->loaded_features_snapshot = rb_gc_location(vm->loaded_features_snapshot);
vm->top_self = rb_gc_location(vm->top_self);
vm->orig_progname = rb_gc_location(vm->orig_progname);
if (vm->coverages) {
vm->coverages = rb_gc_location(vm->coverages);
}
}
}
@ -2265,11 +2291,11 @@ rb_vm_mark(void *ptr)
long i, len;
const VALUE *obj_ary;
list_for_each(&vm->living_threads, th, vmlt_node) {
rb_gc_mark(th->self);
}
rb_gc_mark(vm->thgroup_default);
rb_gc_mark(vm->mark_object_ary);
list_for_each(&vm->living_threads, th, vmlt_node) {
rb_gc_mark_movable(th->self);
}
rb_gc_mark_movable(vm->thgroup_default);
rb_gc_mark_movable(vm->mark_object_ary);
len = RARRAY_LEN(vm->mark_object_ary);
obj_ary = RARRAY_CONST_PTR(vm->mark_object_ary);
@ -2286,15 +2312,15 @@ rb_vm_mark(void *ptr)
obj_ary++;
}
rb_gc_mark(vm->load_path);
rb_gc_mark(vm->load_path_snapshot);
RUBY_MARK_UNLESS_NULL(vm->load_path_check_cache);
rb_gc_mark(vm->expanded_load_path);
rb_gc_mark(vm->loaded_features);
rb_gc_mark(vm->loaded_features_snapshot);
rb_gc_mark(vm->top_self);
rb_gc_mark(vm->orig_progname);
RUBY_MARK_UNLESS_NULL(vm->coverages);
rb_gc_mark_movable(vm->load_path);
rb_gc_mark_movable(vm->load_path_snapshot);
RUBY_MARK_MOVABLE_UNLESS_NULL(vm->load_path_check_cache);
rb_gc_mark_movable(vm->expanded_load_path);
rb_gc_mark_movable(vm->loaded_features);
rb_gc_mark_movable(vm->loaded_features_snapshot);
rb_gc_mark_movable(vm->top_self);
rb_gc_mark_movable(vm->orig_progname);
RUBY_MARK_MOVABLE_UNLESS_NULL(vm->coverages);
/* Prevent classes from moving */
rb_mark_tbl(vm->defined_module_hash);
@ -2509,11 +2535,12 @@ rb_execution_context_update(const rb_execution_context_t *ec)
cfp->iseq = (rb_iseq_t *)rb_gc_location((VALUE)cfp->iseq);
cfp->block_code = (void *)rb_gc_location((VALUE)cfp->block_code);
if (!VM_ENV_LOCAL_P(ep)) {
VALUE *prev_ep = (VALUE *)VM_ENV_PREV_EP(ep);
if (VM_ENV_FLAGS(prev_ep, VM_ENV_FLAG_ESCAPED)) {
prev_ep[VM_ENV_DATA_INDEX_ENV] = rb_gc_location(prev_ep[VM_ENV_DATA_INDEX_ENV]);
while (!VM_ENV_LOCAL_P(ep)) {
if (VM_ENV_FLAGS(ep, VM_ENV_FLAG_ESCAPED)) {
VM_FORCE_WRITE(&ep[VM_ENV_DATA_INDEX_ENV], rb_gc_location(ep[VM_ENV_DATA_INDEX_ENV]));
VM_FORCE_WRITE(&ep[VM_ENV_DATA_INDEX_ME_CREF], rb_gc_location(ep[VM_ENV_DATA_INDEX_ME_CREF]));
}
ep = VM_ENV_PREV_EP(ep);
}
cfp = RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp);
@ -2548,12 +2575,13 @@ rb_execution_context_mark(const rb_execution_context_t *ec)
rb_gc_mark_movable((VALUE)cfp->iseq);
rb_gc_mark_movable((VALUE)cfp->block_code);
if (!VM_ENV_LOCAL_P(ep)) {
const VALUE *prev_ep = VM_ENV_PREV_EP(ep);
if (VM_ENV_FLAGS(prev_ep, VM_ENV_FLAG_ESCAPED)) {
rb_gc_mark_movable(prev_ep[VM_ENV_DATA_INDEX_ENV]);
while (!VM_ENV_LOCAL_P(ep)) {
if (VM_ENV_FLAGS(ep, VM_ENV_FLAG_ESCAPED)) {
rb_gc_mark_movable(ep[VM_ENV_DATA_INDEX_ENV]);
rb_gc_mark(ep[VM_ENV_DATA_INDEX_ME_CREF]);
}
}
ep = VM_ENV_PREV_EP(ep);
}
cfp = RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp);
}