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backtrace: allocate as objectref

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This commit is contained in:
Zack Buhman 2025-01-09 19:28:27 -06:00
parent 3f587b5f76
commit 7e225505d4
1 changed files with 10 additions and 2 deletions
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12
c/backtrace.c
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@ -6,8 +6,16 @@
struct backtrace * backtrace_allocate(struct vm * vm)
{
assert(false); // backtrace must become an objectref
struct backtrace * backtrace = memory_allocate((sizeof (struct backtrace)));
struct class_entry * object_class_entry = class_resolver_lookup_class(vm->class_hash_table.length,
vm->class_hash_table.entry,
(const uint8_t *)"java/lang/Object",
16);
debugf("object class entry: %p\n", object_class_entry);
int num_fields = (sizeof (struct backtrace)) / (sizeof (void *));
struct objectref * objectref = obj_allocate(num_fields);
objectref->class_entry = object_class_entry;
struct backtrace * backtrace = (struct backtrace *)&objectref->aref[0];
backtrace->num_entries = vm->frame_stack.ix;
int backtrace_entries_size = (sizeof (struct backtrace_entry)) * backtrace->num_entries;
backtrace->entry = memory_allocate(backtrace_entries_size);