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Implement lazy-creation of arguments object. (#361)

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* Store ArgumentsObject into Env record with functionObject
* Introduce gc memory leak checker
* Don't save stack pointer in ArgumentsObject

Signed-off-by: seonghyun kim <sh8281.kim@samsung.com>
This commit is contained in:
Patrick Kim 2019-08-13 16:00:03 +08:00 • committed by Boram Bae
commit ad0cecbd0d
18 changed files with 238 additions and 53 deletions
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39
src/shell/Shell.cpp
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@ -82,6 +82,38 @@ NEVER_INLINE bool eval(Escargot::Context* context, Escargot::String* str, Escarg
return true;
}
void doFullGCWithoutSeeingStack()
{
GC_register_mark_stack_func([]() {
// do nothing for skip stack
// assume there is no gc-object on stack
});
GC_gcollect();
GC_gcollect();
GC_gcollect_and_unmap();
GC_register_mark_stack_func(nullptr);
}
void printEveryReachableGCObjects()
{
ESCARGOT_LOG_INFO("print reachable pointers -->\n");
GC_gcollect();
GC_disable();
GC_enumerate_reachable_objects_inner(
[](void* obj, size_t bytes, void* cd) {
size_t size;
int kind = GC_get_kind_and_size(obj, &size);
void* ptr = GC_USR_PTR_FROM_BASE(obj);
ESCARGOT_LOG_INFO("@@@ kind %d pointer %p size %d\n", (int)kind, ptr, (int)size);
#if !defined(NDEBUG)
GC_print_backtrace(ptr);
#endif
},
nullptr);
GC_enable();
ESCARGOT_LOG_INFO("<-- end of print reachable pointers\n");
}
int main(int argc, char* argv[])
{
#ifndef NDEBUG
@ -173,5 +205,12 @@ int main(int argc, char* argv[])
Escargot::Heap::printGCHeapUsage();
}
/*
// remove comment you want to find memory leak
doFullGCWithoutSeeingStack();
doFullGCWithoutSeeingStack();
doFullGCWithoutSeeingStack();
printEveryReachableGCObjects();
*/
return 0;
}