1 /* Copyright (c) 2014-2017. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
16 #include "mc/datatypes.h"
17 #include "src/mc/mc_private.h"
19 #include "src/mc/ObjectInformation.hpp"
20 #include "src/mc/Type.hpp"
21 #include "src/mc/Variable.hpp"
22 #include "src/mc/remote/RemoteClient.hpp"
24 int test_some_array[4][5][6];
30 static simgrid::mc::Type* find_type_by_name(simgrid::mc::ObjectInformation* info, const char* name)
32 for (auto& entry : info->types)
33 if(entry.second.name == name)
38 static simgrid::mc::Frame* find_function_by_name(
39 simgrid::mc::ObjectInformation* info, const char* name)
41 for (auto& entry : info->subprograms)
42 if(entry.second.name == name)
47 static simgrid::mc::Variable* find_local_variable(
48 simgrid::mc::Frame* frame, const char* argument_name)
50 for (simgrid::mc::Variable& variable : frame->variables)
51 if(argument_name == variable.name)
54 for (simgrid::mc::Frame& scope : frame->scopes) {
55 simgrid::mc::Variable* variable = find_local_variable(
56 &scope, argument_name);
64 static void test_local_variable(simgrid::mc::ObjectInformation* info, const char* function, const char* variable, void* address, unw_cursor_t* cursor) {
65 simgrid::mc::Frame* subprogram = find_function_by_name(info, function);
67 // TODO, Lookup frame by IP and test against name instead
69 simgrid::mc::Variable* var = find_local_variable(subprogram, variable);
72 void* frame_base = subprogram->frame_base(*cursor);
73 simgrid::dwarf::Location location = simgrid::dwarf::resolve(
74 var->location_list, info, cursor, frame_base, nullptr, -1);
76 xbt_assert(location.in_memory(), "Expected the variable %s of function %s to be in memory", variable, function);
77 xbt_assert(location.address() == address, "Bad resolution of local variable %s of %s", variable, function);
80 static simgrid::mc::Variable* test_global_variable(simgrid::mc::RemoteClient& process,
81 simgrid::mc::ObjectInformation* info, const char* name,
82 void* address, long byte_size)
84 simgrid::mc::Variable* variable = info->find_variable(name);
85 xbt_assert(variable, "Global variable %s was not found", name);
86 xbt_assert(variable->name == name, "Name mismatch for %s", name);
87 xbt_assert(variable->global, "Variable %s is not global", name);
88 xbt_assert(variable->address == address, "Address mismatch for %s : %p expected but %p found", name, address,
91 auto i = process.binary_info->types.find(variable->type_id);
92 xbt_assert(i != process.binary_info->types.end(), "Missing type for %s", name);
93 simgrid::mc::Type* type = &i->second;
94 xbt_assert(type->byte_size = byte_size, "Byte size mismatch for %s", name);
98 static simgrid::mc::Member* find_member(simgrid::mc::Type& type, const char* name)
100 for (simgrid::mc::Member& member : type.members)
101 if(member.name == name)
106 int some_local_variable = 0;
108 typedef struct foo {int i;} s_foo;
110 static void test_type_by_name(simgrid::mc::RemoteClient& process, s_foo my_foo)
112 assert(process.binary_info->full_types_by_name.find("struct foo") != process.binary_info->full_types_by_name.end());
115 int main(int argc, char** argv)
117 SIMIX_global_init(&argc, argv);
119 simgrid::mc::Variable* var;
120 simgrid::mc::Type* type;
122 simgrid::mc::RemoteClient process(getpid(), -1);
125 test_global_variable(process, process.binary_info.get(), "some_local_variable", &some_local_variable, sizeof(int));
127 var = test_global_variable(process, process.binary_info.get(), "test_some_array", &test_some_array,
128 sizeof(test_some_array));
129 auto i = process.binary_info->types.find(var->type_id);
130 xbt_assert(i != process.binary_info->types.end(), "Missing type");
132 xbt_assert(type->element_count == 6 * 5 * 4, "element_count mismatch in test_some_array : %i / %i",
133 type->element_count, 6 * 5 * 4);
135 var = test_global_variable(process, process.binary_info.get(), "test_some_struct", &test_some_struct,
136 sizeof(test_some_struct));
137 i = process.binary_info->types.find(var->type_id);
138 xbt_assert(i != process.binary_info->types.end(), "Missing type");
142 assert(find_member(*type, "first")->offset() == 0);
143 assert(find_member(*type, "second")->offset() ==
144 ((const char*)&test_some_struct.second) - (const char*)&test_some_struct);
146 unw_context_t context;
148 unw_getcontext(&context);
149 unw_init_local(&cursor, &context);
151 test_local_variable(process.binary_info.get(), "main", "argc", &argc, &cursor);
153 int lexical_block_variable = 50;
154 test_local_variable(process.binary_info.get(), "main", "lexical_block_variable", &lexical_block_variable, &cursor);
157 test_type_by_name(process, my_foo);