Some progress on marking

src/GC/tests/h_test.cpp

@@ -1,27 +1,31 @@
-#include "heap.hpp"
+#include "../include/heap.hpp"
 
 GC::Heap *gc = GC::Heap::the2();
 
 void init() {
-    std::vector<int> live_int_vec{1, 2, 3, 4, 5};
-    std::vector<int> dead_int_vec(1000000, 1);
-    int *arr = static_cast<int *>(gc->alloc(sizeof(int) * 300));
-    int *a_ptr;
-    int a = 10;
-    a_ptr = &a;
-    auto temp1 = gc->alloc(sizeof(a_ptr));
-    auto temp2 = gc->alloc(sizeof(live_int_vec));
-    auto temp3 = gc->alloc(sizeof(dead_int_vec));
 
-    // *arr, *temp1, *temp2 and *temp3 should all be on the stack
-    //a_ptr = nullptr;
+    auto stack_start = reinterpret_cast<uintptr_t *>(__builtin_frame_address(0));
+    auto stack_end = stack_start - 160;
+    std::cout << "Stack start from init:\t" << stack_start << std::endl;
+    std::cout << "Imaginary stack end:\t" << stack_end << std::endl;
+    int *arr = static_cast<int *>(gc->alloc(sizeof(int) * 300));
+    for (int i = 0; i < (sizeof(int) * 300); i++) {
+        arr[i] = i;
+    }
+    std::cout << "First stack pointer:\t" << &arr << std::endl;
+    long *l = static_cast<long *>(gc->alloc(sizeof(long)));
+    *l = 20;
+    // This doesn't get allocated on our heap, but how is it viewed on valgr?
+    int *arr2 = new int[1000];
+    for (int i = 0; i < 1000; i++) {
+        arr2[i] = i;
+    }
 }
 
 int main() {
-    //init();
-    for (int i = 1; i < 10; i++) {
-        gc->alloc(sizeof(i));
-    }
+    auto stack_start = reinterpret_cast<uintptr_t *>(__builtin_frame_address(0));
+    std::cout << "Stack start from main:\t" << stack_start << std::endl;
+    init();
     gc->collect(MARK | SWEEP);
     gc->print_contents();
     //delete gc;