X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/cdf8123ef60cd6d3afdddffd7902dec56bb52a50..515cd2622ad1000f5f3ba58ecfaf488ac922b963:/teshsuite/mc/dwarf/dwarf.cpp diff --git a/teshsuite/mc/dwarf/dwarf.cpp b/teshsuite/mc/dwarf/dwarf.cpp index 930e72aaac..b564b1caa3 100644 --- a/teshsuite/mc/dwarf/dwarf.cpp +++ b/teshsuite/mc/dwarf/dwarf.cpp @@ -1,5 +1,4 @@ -/* Copyright (c) 2014. The SimGrid Team. - * All rights reserved. */ +/* 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. */ @@ -8,99 +7,98 @@ #undef NDEBUG #endif -#include -#include +#include -#include -#include +#include "src/mc/datatypes.h" +#include "src/mc/mc.h" +#include "src/mc/mc_private.hpp" -#include "../../src/include/mc/datatypes.h" -#include "../../src/mc/mc_object_info.h" -#include "../../src/mc/mc_private.h" +#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 +#include + +#include +#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]; -struct some_struct { int first; int second[4][5]; } test_some_struct; - -static mc_type_t find_type_by_name(mc_object_info_t info, const char* name) { - xbt_dict_cursor_t cursor = NULL; - char *key; - mc_type_t type; - xbt_dict_foreach(info->types, cursor, key, type) - if(type->name == name) - return type; - return NULL; -} +#endif -static dw_frame_t find_function_by_name(mc_object_info_t info, const char* name) { - xbt_dict_cursor_t cursor = 0; - dw_frame_t subprogram; - char* key; - xbt_dict_foreach(info->subprograms, cursor, key, subprogram){ - if(!strcmp(name, subprogram->name)) - return subprogram; - } +struct some_struct { + int first; + int second[4][5]; +}; +some_struct test_some_struct; - return NULL; +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 dw_variable_t find_local_variable(dw_frame_t frame, const char* argument_name) { - unsigned int cursor = 0; - dw_variable_t variable; - xbt_dynar_foreach(frame->variables, cursor, variable){ - if(!strcmp(argument_name, variable->name)) - return variable; - } +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; - dw_frame_t scope = NULL; - xbt_dynar_foreach(frame->scopes, cursor, scope) { - variable = find_local_variable(scope, argument_name); + for (simgrid::mc::Frame& scope : frame->scopes) { + simgrid::mc::Variable* variable = find_local_variable( + &scope, argument_name); if(variable) return variable; } - return NULL; + return nullptr; } -static void test_local_variable(mc_object_info_t info, const char* function, const char* variable, void* address, unw_cursor_t* cursor) { - dw_frame_t subprogram = find_function_by_name(info, function); +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 - dw_variable_t var = find_local_variable(subprogram, variable); + const simgrid::mc::Variable* var = find_local_variable(subprogram, variable); assert(var); - void* frame_base = mc_find_frame_base(subprogram, info, cursor); - s_mc_location_t location; - - mc_dwarf_resolve_locations(&location, - &var->locations, info, cursor, frame_base, NULL, -1); - - xbt_assert(mc_get_location_type(&location)==MC_LOCATION_TYPE_ADDRESS, - "Unexpected location type for variable %s of %s", variable, function); - - xbt_assert(location.memory_location == address, - "Bad resolution of local variable %s of %s", variable, function); + 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 dw_variable_t test_global_variable(mc_process_t process, mc_object_info_t info, const char* name, void* address, long byte_size) { - - dw_variable_t variable = info->find_variable(name); +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(!strcmp(variable->name, name), "Name mismatch for %s", 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); + xbt_assert(variable->address == address, "Address mismatch for %s : %p expected but %p found", name, address, + variable->address); - mc_type_t type = (mc_type_t) xbt_dict_get_or_null(process->binary_info->types, variable->type_origin); - xbt_assert(type!=NULL, "Missing type for %s", name); - xbt_assert(type->byte_size = byte_size, "Byte size mismatch for %s", name); + 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 mc_type_t find_member(mc_object_info_t info, const char* name, mc_type_t type) +static simgrid::mc::Member* find_member(simgrid::mc::Type& type, const char* name) { - for (simgrid::mc::Type& member : type->members) + for (simgrid::mc::Member& member : type.members) if(member.name == name) return &member; return nullptr; @@ -108,52 +106,58 @@ static mc_type_t find_member(mc_object_info_t info, const char* name, mc_type_t int some_local_variable = 0; -typedef struct foo {int i;} s_foo; +struct s_foo { + int i; +}; -static void test_type_by_name(mc_process_t process, s_foo my_foo) { - assert(xbt_dict_get_or_null(process->binary_info->full_types_by_name, "struct foo")); +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) { - SIMIX_global_init(&argc, argv); + simgrid::s4u::Engine::get_instance(&argc, argv); - dw_variable_t var; - mc_type_t type; + const simgrid::mc::Variable* var; + simgrid::mc::Type* type; - s_mc_process_t p(getpid(), -1); - mc_process_t process = &p; + simgrid::mc::RemoteProcessMemory process(getpid()); + process.init(nullptr); - test_global_variable(process, process->binary_info.get(), - "some_local_variable", &some_local_variable, sizeof(int)); + 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)); - type = (mc_type_t) xbt_dict_get_or_null(process->binary_info->types, var->type_origin); - 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_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)); - type = (mc_type_t) xbt_dict_get_or_null(process->binary_info->types, var->type_origin); - assert(find_member(process->binary_info.get(), "first", type)->offset() == 0); - assert(find_member(process->binary_info.get(), "second", type)->offset() - == ((const char*)&test_some_struct.second) - (const char*)&test_some_struct); + 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); + 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); - } + int lexical_block_variable = 50; + test_local_variable(process.binary_info.get(), "main", "lexical_block_variable", &lexical_block_variable, &cursor); - s_foo my_foo; + s_foo my_foo = {0}; test_type_by_name(process, my_foo); - _exit(0); + return 0; }