From 1e5c0baa8cd59f651985ac3a7b41ab2ecbe90b5e Mon Sep 17 00:00:00 2001
From: Miguel <m.i@gmx.at>
Date: Thu, 11 Oct 2018 12:33:38 +0200
Subject: c++ global constructors calling from crt

---
 userspace/cpp/testcpp.cpp | 48 +++++++++++++++++++++++++++++++++--------------
 1 file changed, 34 insertions(+), 14 deletions(-)

(limited to 'userspace/cpp/testcpp.cpp')

diff --git a/userspace/cpp/testcpp.cpp b/userspace/cpp/testcpp.cpp
index 53e3a3b..8ed7d55 100644
--- a/userspace/cpp/testcpp.cpp
+++ b/userspace/cpp/testcpp.cpp
@@ -3,31 +3,51 @@
 #include <cstdio>
 #include <iostream>
 
-void prep();
-void myinit();
 
+struct test
+{
+    int i;
+    test(int ii):i(ii) { printf("test:ctor %i\n",i);  }
+    ~test() { printf("test:dtor %i\n",i ); }
+};
+
+test t1(1); // global constructor should get called and desctructed on exit from our crt0
+
+int somefunc()
+{
+    test t2(2);
+}
 int main()
 {
-    prep();
-    myinit();
 
- int myints[] = {32,71,12,45,26,80,53,33};
-  std::vector<int> myvector (myints, myints+8);               // 32 71 12 45 26 80 53 33
+    printf(" --- testing ctors & dtors ---\n");
 
-  // using default comparison (operator <):
-  std::sort (myvector.begin(), myvector.begin()+4);           //(12 32 45 71)26 80 53 33
+    somefunc();
+    test t3(3); 
 
-  for (std::vector<int>::iterator it=myvector.begin(); it!=myvector.end(); ++it)
-    printf("%i\n",*it);  
-    printf("hello\n");
 
-//    printf("reent struct size: %d bytes\n",sizeof(struct _reent));
-  //  printf("reent pointer : 0x%08x\n",_impure_ptr);
-    //printf("reent pointer : 0x%08x\n",_impure_ptr);
     std::cout << "bye bye" << std::endl;
+
+    /*
+
+    int myints[] = {32,71,12,45,26,80,53,33};
+
+    std::vector<int> myvector (myints, myints+8);               // 32 71 12 45 26 80 53 33
+    std::sort (myvector.begin(), myvector.begin()+4);           //(12 32 45 71)26 80 53 33
+
+    for (std::vector<int>::iterator it=myvector.begin(); it!=myvector.end(); ++it)
+        printf("%i\n",*it);  
+
+    printf("hello\n");
     printf("hello\n");
+    */
+    printf("-- fin -- \n");
+
 }
 
+//    printf("reent struct size: %d bytes\n",sizeof(struct _reent));
+  //  printf("reent pointer : 0x%08x\n",_impure_ptr);
+    //printf("reent pointer : 0x%08x\n",_impure_ptr);
 // constructing vectors
 /*
 #include <iostream>
-- 
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