refactor 2 more CMakeLists

[simgrid.git] / teshsuite / mc / dwarf-expression / dwarf-expression.cpp

diff --git a/teshsuite/mc/dwarf-expression/dwarf-expression.cpp b/teshsuite/mc/dwarf-expression/dwarf-expression.cpp
new file mode 100644 (file)
index 0000000..f059b2c
--- /dev/null
+++ b/teshsuite/mc/dwarf-expression/dwarf-expression.cpp
@@ -0,0 +1,187 @@
+/* Copyright (c) 2014-2015. The SimGrid Team.
+ * All rights reserved.                                                     */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#ifdef NDEBUG
+#undef NDEBUG
+#endif
+
+#include <string.h>
+#include <assert.h>
+#include <stdlib.h>
+
+#include "src/mc/mc_private.h"
+
+#include "src/mc/Process.hpp"
+#include "src/mc/Type.hpp"
+#include "src/mc/ObjectInformation.hpp"
+#include "src/mc/Variable.hpp"
+
+static simgrid::mc::Process* process;
+
+static
+uintptr_t eval_binary_operation(
+  simgrid::dwarf::ExpressionContext& state, int op, uintptr_t a, uintptr_t b) {
+
+  Dwarf_Op ops[15];
+  ops[0].atom = DW_OP_const8u;
+  ops[0].number = a;
+  ops[1].atom = DW_OP_const8u;
+  ops[1].number = b;
+  ops[2].atom = op;
+
+  simgrid::dwarf::ExpressionStack stack;
+
+  try {
+    simgrid::dwarf::execute(ops, 3, state, stack);
+  }
+  catch(std::runtime_error& e) {
+    fprintf(stderr,"Expression evaluation error");
+  }
+
+  assert(stack.size() == 1);
+  return stack.top();
+}
+
+static
+void basic_test(simgrid::dwarf::ExpressionContext const& state) {
+  try {
+
+  Dwarf_Op ops[60];
+
+  uintptr_t a = rand();
+  uintptr_t b = rand();
+
+  simgrid::dwarf::ExpressionStack stack;
+
+  try {
+    ops[0].atom = DW_OP_drop;
+    simgrid::dwarf::execute(ops, 1, state, stack);
+    fprintf(stderr,"Exception expected");
+  }
+  catch(simgrid::dwarf::evaluation_error& e) {}
+
+  ops[0].atom = DW_OP_lit21;
+  simgrid::dwarf::execute(ops, 1, state, stack);
+  assert(stack.size() == 1);
+  assert(stack.top() == 21);
+
+  ops[0].atom = DW_OP_const8u;
+  ops[0].number = a;
+  simgrid::dwarf::execute(ops, 1, state, stack);
+  assert(stack.size() == 2);
+  assert(stack.top() == a);
+
+  ops[0].atom = DW_OP_drop;
+  ops[1].atom = DW_OP_drop;
+  simgrid::dwarf::execute(ops, 2, state, stack);
+  assert(stack.empty());
+
+  stack.clear();
+  ops[0].atom = DW_OP_lit21;
+  ops[1].atom = DW_OP_plus_uconst;
+  ops[1].number = a;
+  simgrid::dwarf::execute(ops, 2, state, stack);
+  assert(stack.size() == 1);
+  assert(stack.top() == a + 21);
+
+  stack.clear();
+  ops[0].atom = DW_OP_const8u;
+  ops[0].number = a;
+  ops[1].atom = DW_OP_dup;
+  ops[2].atom = DW_OP_plus;
+  simgrid::dwarf::execute(ops, 3, state, stack);
+  assert(stack.size() == 1);
+  assert(stack.top() == a + a);
+
+  stack.clear();
+  ops[0].atom = DW_OP_const8u;
+  ops[0].number = a;
+  ops[1].atom = DW_OP_const8u;
+  ops[1].number = b;
+  ops[2].atom = DW_OP_over;
+  simgrid::dwarf::execute(ops, 3, state, stack);
+  assert(stack.size() == 3);
+  assert(stack.top()  == a);
+  assert(stack.top(1) == b);
+  assert(stack.top(2) == a);
+
+  stack.clear();
+  ops[0].atom = DW_OP_const8u;
+  ops[0].number = a;
+  ops[1].atom = DW_OP_const8u;
+  ops[1].number = b;
+  ops[2].atom = DW_OP_swap;
+  simgrid::dwarf::execute(ops, 3, state, stack);
+  assert(stack.size() == 2);
+  assert(stack.top()  == a);
+  assert(stack.top(1) == b);
+
+  }
+  catch(std::runtime_error& e) {
+    fprintf(stderr,"Expression evaluation error");
+  }
+}
+
+static
+void test_deref(simgrid::dwarf::ExpressionContext const& state) {
+  try {
+
+  uintptr_t foo = 42;
+
+  Dwarf_Op ops[60];
+  ops[0].atom = DW_OP_const8u;
+  ops[0].number = (uintptr_t) &foo;
+  ops[1].atom = DW_OP_deref;
+
+  simgrid::dwarf::ExpressionStack stack;
+
+  simgrid::dwarf::execute(ops, 2, state, stack);
+  assert(stack.size() == 1);
+  assert(stack.top()  == foo);
+
+  }
+  catch(std::runtime_error& e) {
+    fprintf(stderr,"Expression evaluation error");
+  }
+}
+
+int main(int argc, char** argv) {
+  process = new simgrid::mc::Process(getpid(), -1);
+  process->init();
+
+  simgrid::dwarf::ExpressionContext state;
+  state.address_space = (simgrid::mc::AddressSpace*) process;
+
+  basic_test(state);
+
+  for(int i=0; i!=100; ++i) {
+    uintptr_t a = rand();
+    uintptr_t b = rand();
+    assert(eval_binary_operation(state, DW_OP_plus, a, b) == (a + b));
+  }
+
+  for(int i=0; i!=100; ++i) {
+    uintptr_t a = rand();
+    uintptr_t b = rand();
+    assert(eval_binary_operation(state, DW_OP_or, a, b) == (a | b));
+  }
+
+  for(int i=0; i!=100; ++i) {
+    uintptr_t a = rand();
+    uintptr_t b = rand();
+    assert(eval_binary_operation(state, DW_OP_and, a, b) == (a & b));
+  }
+
+  for(int i=0; i!=100; ++i) {
+    uintptr_t a = rand();
+    uintptr_t b = rand();
+    assert(eval_binary_operation(state, DW_OP_xor, a, b) == (a ^ b));
+  }
+
+  test_deref(state);
+
+  return 0;
+}