+++ /dev/null
-/* Copyright (c) 2014-2022. 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 "src/mc/mc_private.hpp"
-
-#include "src/mc/inspect/ObjectInformation.hpp"
-#include "src/mc/inspect/Type.hpp"
-#include "src/mc/inspect/Variable.hpp"
-#include "src/mc/remote/RemoteProcess.hpp"
-
-#include <array>
-#include <cassert>
-#include <cstdlib>
-#include <limits>
-#include <xbt/random.hpp>
-
-static uintptr_t rnd_engine()
-{
- return simgrid::xbt::random::uniform_int(std::numeric_limits<int>::min(), std::numeric_limits<int>::max());
-}
-
-static uintptr_t eval_binary_operation(simgrid::dwarf::ExpressionContext const& state, uint8_t op, uintptr_t a,
- uintptr_t b)
-{
- std::array<Dwarf_Op, 15> ops;
- 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.data(), 3, state, stack);
- } catch (const simgrid::dwarf::evaluation_error&) {
- fprintf(stderr,"Expression evaluation error");
- }
-
- assert(stack.size() == 1);
- return stack.top();
-}
-
-static void basic_test(simgrid::dwarf::ExpressionContext const& state)
-{
- std::array<Dwarf_Op, 60> ops;
-
- uintptr_t a = rnd_engine();
- uintptr_t b = rnd_engine();
-
- simgrid::dwarf::ExpressionStack stack;
-
- bool caught_ex = false;
- try {
- ops[0].atom = DW_OP_drop;
- simgrid::dwarf::execute(ops.data(), 1, state, stack);
- } catch (const simgrid::dwarf::evaluation_error&) {
- caught_ex = true;
- }
- if (not caught_ex)
- fprintf(stderr, "Exception expected");
-
- try {
- ops[0].atom = DW_OP_lit21;
- simgrid::dwarf::execute(ops.data(), 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.data(), 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.data(), 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.data(), 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.data(), 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.data(), 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.data(), 3, state, stack);
- assert(stack.size() == 2);
- assert(stack.top() == a);
- assert(stack.top(1) == b);
- } catch (const simgrid::dwarf::evaluation_error&) {
- fprintf(stderr,"Expression evaluation error");
- }
-}
-
-static void test_deref(simgrid::dwarf::ExpressionContext const& state)
-{
- try {
- uintptr_t foo = 42;
-
- std::array<Dwarf_Op, 60> ops;
- 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.data(), 2, state, stack);
- assert(stack.size() == 1);
- assert(stack.top() == foo);
- } catch (const simgrid::dwarf::evaluation_error&) {
- fprintf(stderr,"Expression evaluation error");
- }
-}
-
-int main()
-{
- auto* process = new simgrid::mc::RemoteProcess(getpid());
- process->init(nullptr, nullptr, nullptr);
-
- simgrid::dwarf::ExpressionContext state;
- state.address_space = (simgrid::mc::AddressSpace*) process;
-
- basic_test(state);
-
- for(int i=0; i!=100; ++i) {
- uintptr_t a = rnd_engine();
- uintptr_t b = rnd_engine();
- assert(eval_binary_operation(state, DW_OP_plus, a, b) == (a + b));
- }
-
- for(int i=0; i!=100; ++i) {
- uintptr_t a = rnd_engine();
- uintptr_t b = rnd_engine();
- assert(eval_binary_operation(state, DW_OP_or, a, b) == (a | b));
- }
-
- for(int i=0; i!=100; ++i) {
- uintptr_t a = rnd_engine();
- uintptr_t b = rnd_engine();
- assert(eval_binary_operation(state, DW_OP_and, a, b) == (a & b));
- }
-
- for(int i=0; i!=100; ++i) {
- uintptr_t a = rnd_engine();
- uintptr_t b = rnd_engine();
- assert(eval_binary_operation(state, DW_OP_xor, a, b) == (a ^ b));
- }
-
- test_deref(state);
-
- return 0;
-}