1 /* Copyright (c) 2014. 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. */
17 #include "../../src/include/mc/datatypes.h"
18 #include "../../src/mc/mc_object_info.h"
19 #include "../../src/mc/mc_private.h"
21 int test_some_array[4][5][6];
22 struct some_struct { int first; int second[4][5]; } test_some_struct;
24 static mc_type_t find_type_by_name(mc_object_info_t info, const char* name) {
25 xbt_dict_cursor_t cursor = NULL;
28 xbt_dict_foreach(info->types, cursor, key, type)
29 if(type->name == name)
34 static dw_frame_t find_function_by_name(mc_object_info_t info, const char* name) {
35 xbt_dict_cursor_t cursor = 0;
36 dw_frame_t subprogram;
38 xbt_dict_foreach(info->subprograms, cursor, key, subprogram){
39 if(!strcmp(name, subprogram->name))
46 static mc_variable_t find_local_variable(
47 dw_frame_t frame, const char* argument_name) {
48 unsigned int cursor = 0;
49 mc_variable_t variable;
50 xbt_dynar_foreach(frame->variables, cursor, variable)
51 if(argument_name == variable->name)
54 dw_frame_t scope = nullptr;
55 xbt_dynar_foreach(frame->scopes, cursor, scope) {
56 variable = find_local_variable(scope, argument_name);
64 static void test_local_variable(mc_object_info_t info, const char* function, const char* variable, void* address, unw_cursor_t* cursor) {
65 dw_frame_t subprogram = find_function_by_name(info, function);
67 // TODO, Lookup frame by IP and test against name instead
69 mc_variable_t var = find_local_variable(subprogram, variable);
72 void* frame_base = mc_find_frame_base(subprogram, info, cursor);
73 s_mc_location_t location;
75 mc_dwarf_resolve_locations(&location,
76 &var->location_list, info, cursor, frame_base, NULL, -1);
78 xbt_assert(mc_get_location_type(&location)==MC_LOCATION_TYPE_ADDRESS,
79 "Unexpected location type for variable %s of %s", variable, function);
81 xbt_assert(location.memory_location == address,
82 "Bad resolution of local variable %s of %s", variable, function);
86 static mc_variable_t test_global_variable(mc_process_t process, mc_object_info_t info, const char* name, void* address, long byte_size) {
88 mc_variable_t variable = info->find_variable(name);
89 xbt_assert(variable, "Global variable %s was not found", name);
90 xbt_assert(variable->name == name,
91 "Name mismatch for %s", name);
92 xbt_assert(variable->global, "Variable %s is not global", name);
93 xbt_assert(variable->address == address,
94 "Address mismatch for %s : %p expected but %p found",
95 name, address, variable->address);
97 mc_type_t type = (mc_type_t) xbt_dict_get_or_null(
98 process->binary_info->types, variable->type_id.c_str());
99 xbt_assert(type!=NULL, "Missing type for %s", name);
100 xbt_assert(type->byte_size = byte_size, "Byte size mismatch for %s", name);
104 static mc_type_t find_member(mc_object_info_t info, const char* name, mc_type_t type)
106 for (simgrid::mc::Type& member : type->members)
107 if(member.name == name)
112 int some_local_variable = 0;
114 typedef struct foo {int i;} s_foo;
116 static void test_type_by_name(mc_process_t process, s_foo my_foo) {
117 assert(xbt_dict_get_or_null(process->binary_info->full_types_by_name, "struct foo"));
120 int main(int argc, char** argv)
122 SIMIX_global_init(&argc, argv);
127 s_mc_process_t p(getpid(), -1);
128 mc_process_t process = &p;
130 test_global_variable(process, process->binary_info.get(),
131 "some_local_variable", &some_local_variable, sizeof(int));
133 var = test_global_variable(process, process->binary_info.get(),
134 "test_some_array", &test_some_array, sizeof(test_some_array));
135 type = (mc_type_t) xbt_dict_get_or_null(
136 process->binary_info->types, var->type_id.c_str());
137 xbt_assert(type->element_count == 6*5*4, "element_count mismatch in test_some_array : %i / %i", type->element_count, 6*5*4);
139 var = test_global_variable(process, process->binary_info.get(),
140 "test_some_struct", &test_some_struct, sizeof(test_some_struct));
141 type = (mc_type_t) xbt_dict_get_or_null(
142 process->binary_info->types, var->type_id.c_str());
143 assert(find_member(process->binary_info.get(), "first", type)->offset() == 0);
144 assert(find_member(process->binary_info.get(), "second", type)->offset()
145 == ((const char*)&test_some_struct.second) - (const char*)&test_some_struct);
147 unw_context_t context;
149 unw_getcontext(&context);
150 unw_init_local(&cursor, &context);
152 test_local_variable(process->binary_info.get(), "main", "argc", &argc, &cursor);
155 int lexical_block_variable = 50;
156 test_local_variable(process->binary_info.get(), "main",
157 "lexical_block_variable", &lexical_block_variable, &cursor);
161 test_type_by_name(process, my_foo);