+++ /dev/null
-/* Copyright (c) 2014-2023. 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 <simgrid/s4u/Engine.hpp>
-
-#include "src/mc/datatypes.h"
-#include "src/mc/mc.h"
-#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/sosp/RemoteProcessMemory.hpp"
-
-#include <cassert>
-#include <cstring>
-
-#include <elfutils/version.h>
-#if _ELFUTILS_VERSION < 171
-// Elder elfutils/libdw broken with multi-dimensional arrays. See https://sourceware.org/bugzilla/show_bug.cgi?id=22546
-int test_some_array[4 * 5 * 6];
-#else
-int test_some_array[4][5][6];
-#endif
-
-struct some_struct {
- int first;
- int second[4][5];
-};
-some_struct test_some_struct;
-
-static simgrid::mc::Frame* find_function_by_name(
- simgrid::mc::ObjectInformation* info, const char* name)
-{
- for (auto& [_, entry] : info->subprograms)
- if (entry.name == name)
- return &entry;
- return nullptr;
-}
-
-static simgrid::mc::Variable* find_local_variable(
- simgrid::mc::Frame* frame, const char* argument_name)
-{
- for (simgrid::mc::Variable& variable : frame->variables)
- if(argument_name == variable.name)
- return &variable;
-
- for (simgrid::mc::Frame& scope : frame->scopes) {
- simgrid::mc::Variable* variable = find_local_variable(
- &scope, argument_name);
- if(variable)
- return variable;
- }
-
- return nullptr;
-}
-
-static void test_local_variable(simgrid::mc::ObjectInformation* info, const char* function, const char* variable,
- const void* address, unw_cursor_t* cursor)
-{
- simgrid::mc::Frame* subprogram = find_function_by_name(info, function);
- assert(subprogram);
- // TODO, Lookup frame by IP and test against name instead
-
- const simgrid::mc::Variable* var = find_local_variable(subprogram, variable);
- assert(var);
-
- void* frame_base = subprogram->frame_base(*cursor);
- simgrid::dwarf::Location location = simgrid::dwarf::resolve(var->location_list, info, cursor, frame_base, nullptr);
-
- xbt_assert(location.in_memory(), "Expected the variable %s of function %s to be in memory", variable, function);
- xbt_assert(location.address() == address, "Bad resolution of local variable %s of %s", variable, function);
-}
-
-static const simgrid::mc::Variable* test_global_variable(const simgrid::mc::RemoteProcessMemory& process,
- simgrid::mc::ObjectInformation* info, const char* name,
- void* address, long byte_size)
-{
- const simgrid::mc::Variable* variable = info->find_variable(name);
- xbt_assert(variable, "Global variable %s was not found", name);
- xbt_assert(variable->name == name, "Name mismatch for %s", name);
- xbt_assert(variable->global, "Variable %s is not global", name);
- xbt_assert(variable->address == address, "Address mismatch for %s : %p expected but %p found", name, address,
- variable->address);
-
- auto i = process.binary_info->types.find(variable->type_id);
- xbt_assert(i != process.binary_info->types.end(), "Missing type for %s", name);
- const simgrid::mc::Type* type = &i->second;
- xbt_assert(type->byte_size == byte_size, "Byte size mismatch for %s", name);
- return variable;
-}
-
-static const simgrid::mc::Member* find_member(const simgrid::mc::Type& type, const char* name)
-{
- for (const simgrid::mc::Member& member : type.members)
- if(member.name == name)
- return &member;
- return nullptr;
-}
-
-int some_local_variable = 0;
-
-struct s_foo {
- int i;
-};
-
-static void test_type_by_name(const simgrid::mc::RemoteProcessMemory& process, s_foo /*my_foo*/)
-{
- assert(process.binary_info->full_types_by_name.find("struct s_foo") != process.binary_info->full_types_by_name.end());
-}
-
-int main(int argc, char** argv)
-{
- simgrid::s4u::Engine::get_instance(&argc, argv);
-
- const simgrid::mc::Variable* var;
- const simgrid::mc::Type* type;
-
- simgrid::mc::RemoteProcessMemory process(getpid(), nullptr);
-
- test_global_variable(process, process.binary_info.get(), "some_local_variable", &some_local_variable, sizeof(int));
-
- var = test_global_variable(process, process.binary_info.get(), "test_some_array", &test_some_array,
- sizeof(test_some_array));
- auto i = process.binary_info->types.find(var->type_id);
- xbt_assert(i != process.binary_info->types.end(), "Missing type");
- type = &i->second;
- xbt_assert(type->element_count == 6 * 5 * 4, "element_count mismatch in test_some_array : %i / %i",
- type->element_count, 6 * 5 * 4);
-
- var = test_global_variable(process, process.binary_info.get(), "test_some_struct", &test_some_struct,
- sizeof(test_some_struct));
- i = process.binary_info->types.find(var->type_id);
- xbt_assert(i != process.binary_info->types.end(), "Missing type");
- type = &i->second;
-
- assert(type);
- assert(find_member(*type, "first")->offset() == 0);
- assert(find_member(*type, "second")->offset() ==
- ((const char*)&test_some_struct.second) - (const char*)&test_some_struct);
-
- unw_context_t context;
- unw_cursor_t cursor;
- unw_getcontext(&context);
- unw_init_local(&cursor, &context);
-
- test_local_variable(process.binary_info.get(), "main", "argc", &argc, &cursor);
-
- int lexical_block_variable = 50;
- test_local_variable(process.binary_info.get(), "main", "lexical_block_variable", &lexical_block_variable, &cursor);
-
- s_foo my_foo = {0};
- test_type_by_name(process, my_foo);
-
- return 0;
-}
