mirror of
https://github.com/JakeHillion/object-introspection.git
synced 2024-11-14 14:26:55 +00:00
707 lines
18 KiB
C++
707 lines
18 KiB
C++
#include "test_drgn_parser.h"
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#include <gtest/gtest.h>
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#include <regex>
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#include "oi/OIParser.h"
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#include "oi/SymbolService.h"
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#include "oi/type_graph/NodeTracker.h"
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#include "oi/type_graph/Printer.h"
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#include "oi/type_graph/TypeGraph.h"
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#include "oi/type_graph/Types.h"
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using namespace type_graph;
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// TODO setup google logging for tests so it doesn't appear on terminal by
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// default
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SymbolService* DrgnParserTest::symbols_ = nullptr;
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void DrgnParserTest::SetUpTestSuite() {
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symbols_ = new SymbolService{TARGET_EXE_PATH};
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}
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void DrgnParserTest::TearDownTestSuite() {
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delete symbols_;
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}
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DrgnParser DrgnParserTest::getDrgnParser(TypeGraph& typeGraph,
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DrgnParserOptions options) {
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DrgnParser drgnParser{typeGraph, options};
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return drgnParser;
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}
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drgn_type* DrgnParserTest::getDrgnRoot(std::string_view function) {
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irequest req{"entry", std::string{function}, "arg0"};
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auto* drgnRoot = symbols_->getRootType(req)->type.type;
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return drgnRoot;
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}
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std::string DrgnParserTest::run(std::string_view function,
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DrgnParserOptions options) {
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TypeGraph typeGraph;
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auto drgnParser = getDrgnParser(typeGraph, options);
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auto* drgnRoot = getDrgnRoot(function);
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Type& type = drgnParser.parse(drgnRoot);
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std::stringstream out;
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NodeTracker tracker;
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Printer printer{out, tracker, typeGraph.size()};
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printer.print(type);
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return out.str();
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}
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void DrgnParserTest::test(std::string_view function,
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std::string_view expected,
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DrgnParserOptions options) {
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auto actual = run(function, options);
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expected.remove_prefix(1); // Remove initial '\n'
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EXPECT_EQ(expected, actual);
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}
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void DrgnParserTest::test(std::string_view function,
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std::string_view expected) {
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// Enable options in unit tests so we get more coverage
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DrgnParserOptions options = {
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.chaseRawPointers = true,
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.readEnumValues = true,
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};
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test(function, expected, options);
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}
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std::pair<size_t, size_t> globMatch(std::string_view pattern,
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std::string_view str) {
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size_t i = 0;
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size_t j = 0;
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size_t prevWildcardIdx = -1;
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size_t backtrackIdx = -1;
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size_t patternLineStart = 0;
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size_t strLineStart = 0;
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while (i < str.size()) {
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if (i + 1 < str.size() && str[i] == '\n')
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strLineStart = i + 1;
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if (j + 1 < pattern.size() && pattern[j] == '\n')
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patternLineStart = j + 1;
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if (j < pattern.size() && str[i] == pattern[j]) {
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// Exact character match
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i++;
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j++;
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} else if (j < pattern.size() && pattern[j] == '*') {
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// Wildcard
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backtrackIdx = i + 1;
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prevWildcardIdx = j++;
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} else if (prevWildcardIdx != static_cast<size_t>(-1)) {
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// No match, backtrack to previous wildcard
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i = ++backtrackIdx;
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j = prevWildcardIdx + 1;
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} else {
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// No match
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return {patternLineStart, strLineStart};
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}
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}
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while (j < pattern.size() && pattern[j] == '*') {
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j++;
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}
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// If the pattern has been fully consumed then it's a match
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return {j, i};
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}
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std::string prefixLines(std::string_view str,
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std::string_view prefix,
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size_t maxLen) {
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std::string res;
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res += prefix;
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for (size_t i = 0; i < maxLen && i < str.size(); i++) {
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char c = str[i];
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res += c;
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if (c == '\n') {
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res += prefix;
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}
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}
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if (str.size() > maxLen)
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res += "...";
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return res;
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}
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void DrgnParserTest::testGlob(std::string_view function,
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std::string_view expected,
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DrgnParserOptions options) {
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auto actual = run(function, options);
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expected.remove_prefix(1); // Remove initial '\n'
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auto [expectedIdx, actualIdx] = globMatch(expected, actual);
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if (expected.size() != expectedIdx) {
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ADD_FAILURE() << prefixLines(expected.substr(expectedIdx), "-", 10000)
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<< "\n"
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<< prefixLines(actual.substr(actualIdx), "+", 10000);
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}
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}
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void DrgnParserTest::testMultiCompiler(
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std::string_view function,
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[[maybe_unused]] std::string_view expectedClang,
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[[maybe_unused]] std::string_view expectedGcc,
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DrgnParserOptions options) {
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#if defined(__clang__)
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test(function, expectedClang, options);
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#else
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test(function, expectedGcc, options);
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#endif
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}
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void DrgnParserTest::testMultiCompilerGlob(
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std::string_view function,
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[[maybe_unused]] std::string_view expectedClang,
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[[maybe_unused]] std::string_view expectedGcc,
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DrgnParserOptions options) {
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#if defined(__clang__)
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testGlob(function, expectedClang, options);
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#else
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testGlob(function, expectedGcc, options);
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#endif
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}
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TEST_F(DrgnParserTest, SimpleStruct) {
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test("oid_test_case_simple_struct", R"(
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[1] Pointer
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[0] Struct: SimpleStruct (size: 16)
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Member: a (offset: 0)
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Primitive: int32_t
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Member: b (offset: 4)
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Primitive: int8_t
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Member: c (offset: 8)
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Primitive: int64_t
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)");
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}
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TEST_F(DrgnParserTest, SimpleClass) {
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test("oid_test_case_simple_class", R"(
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[1] Pointer
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[0] Class: SimpleClass (size: 16)
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Member: a (offset: 0)
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Primitive: int32_t
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Member: b (offset: 4)
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Primitive: int8_t
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Member: c (offset: 8)
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Primitive: int64_t
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)");
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}
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TEST_F(DrgnParserTest, SimpleUnion) {
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test("oid_test_case_simple_union", R"(
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[1] Pointer
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[0] Union: SimpleUnion (size: 8)
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Member: a (offset: 0)
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Primitive: int32_t
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Member: b (offset: 0)
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Primitive: int8_t
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Member: c (offset: 0)
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Primitive: int64_t
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)");
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}
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TEST_F(DrgnParserTest, Inheritance) {
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test("oid_test_case_inheritance_access_public", R"(
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[4] Pointer
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[0] Class: Public (size: 8)
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Parent (offset: 0)
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[1] Class: Base (size: 4)
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Member: base_int (offset: 0)
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[3] Typedef: int32_t
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[2] Typedef: __int32_t
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Primitive: int32_t
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Member: public_int (offset: 4)
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[3]
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)");
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}
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TEST_F(DrgnParserTest, InheritanceMultiple) {
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test("oid_test_case_inheritance_multiple_a", R"(
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[6] Pointer
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[0] Struct: Derived_2 (size: 24)
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Parent (offset: 0)
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[1] Struct: Base_1 (size: 4)
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Member: a (offset: 0)
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Primitive: int32_t
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Parent (offset: 4)
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[2] Struct: Derived_1 (size: 12)
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Parent (offset: 0)
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[3] Struct: Base_2 (size: 4)
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Member: b (offset: 0)
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Primitive: int32_t
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Parent (offset: 4)
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[4] Struct: Base_3 (size: 4)
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Member: c (offset: 0)
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Primitive: int32_t
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Member: d (offset: 8)
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Primitive: int32_t
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Parent (offset: 16)
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[5] Struct: Base_4 (size: 4)
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Member: e (offset: 0)
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Primitive: int32_t
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Member: f (offset: 20)
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Primitive: int32_t
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)");
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}
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TEST_F(DrgnParserTest, Container) {
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testMultiCompilerGlob("oid_test_case_std_vector_int_empty",
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R"(
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[13] Pointer
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[0] Class: vector<int, std::allocator<int> > (size: 24)
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Param
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Primitive: int32_t
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Param
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[1] Class: allocator<int> (size: 1)
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Param
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Primitive: int32_t
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Parent (offset: 0)
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[3] Typedef: __allocator_base<int>
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[2] Class: new_allocator<int> (size: 1)
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Param
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Primitive: int32_t
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Function: new_allocator
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Function: new_allocator
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Function: allocate
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Function: deallocate
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Function: _M_max_size
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Function: allocator
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Function: allocator
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Function: operator=
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Function: ~allocator
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Function: allocate
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Function: deallocate
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Parent (offset: 0)
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*
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)",
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R"(
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[9] Pointer
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[0] Class: vector<int, std::allocator<int> > (size: 24)
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Param
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Primitive: int32_t
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Param
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[1] Class: allocator<int> (size: 1)
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Parent (offset: 0)
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[2] Class: new_allocator<int> (size: 1)
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Param
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Primitive: int32_t
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Function: new_allocator
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Function: new_allocator
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Function: allocate
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Function: deallocate
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Function: _M_max_size
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Function: allocator
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Function: allocator
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Function: operator=
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Function: ~allocator
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Function: allocate
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Function: deallocate
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Parent (offset: 0)
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*
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)");
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}
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// TODO test vector with custom allocator
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TEST_F(DrgnParserTest, Enum) {
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test("oid_test_case_enums_scoped", R"(
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Enum: ScopedEnum (size: 4)
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Enumerator: 0:CaseA
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Enumerator: 1:CaseB
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Enumerator: 2:CaseC
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)");
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}
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TEST_F(DrgnParserTest, EnumUint8) {
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test("oid_test_case_enums_scoped_uint8", R"(
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Enum: ScopedEnumUint8 (size: 1)
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Enumerator: 2:CaseA
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Enumerator: 3:CaseB
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Enumerator: 4:CaseC
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)");
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}
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TEST_F(DrgnParserTest, UnscopedEnum) {
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test("oid_test_case_enums_unscoped", R"(
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Enum: UNSCOPED_ENUM (size: 4)
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Enumerator: -2:CASE_B
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Enumerator: 5:CASE_A
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Enumerator: 20:CASE_C
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)");
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}
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TEST_F(DrgnParserTest, EnumNoValues) {
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DrgnParserOptions options{
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.readEnumValues = false,
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};
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test("oid_test_case_enums_scoped",
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R"(
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Enum: ScopedEnum (size: 4)
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)",
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options);
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}
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TEST_F(DrgnParserTest, Typedef) {
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test("oid_test_case_typedefs_c_style", R"(
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[2] Typedef: TdUInt64
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[1] Typedef: uint64_t
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[0] Typedef: __uint64_t
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Primitive: uint64_t
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)");
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}
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TEST_F(DrgnParserTest, Using) {
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test("oid_test_case_typedefs_using", R"(
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[2] Typedef: UsingUInt64
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[1] Typedef: uint64_t
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[0] Typedef: __uint64_t
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Primitive: uint64_t
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)");
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}
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TEST_F(DrgnParserTest, ArrayMember) {
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test("oid_test_case_arrays_member_int10", R"(
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[2] Pointer
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[0] Struct: Foo10 (size: 40)
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Member: arr (offset: 0)
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[1] Array: (length: 10)
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Primitive: int32_t
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)");
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}
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TEST_F(DrgnParserTest, ArrayRef) {
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test("oid_test_case_arrays_ref_int10", R"(
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[1] Pointer
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[0] Array: (length: 10)
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Primitive: int32_t
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)");
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}
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TEST_F(DrgnParserTest, ArrayDirect) {
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test("oid_test_case_arrays_direct_int10", R"(
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[0] Pointer
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Primitive: int32_t
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)");
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}
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TEST_F(DrgnParserTest, Pointer) {
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test("oid_test_case_pointers_struct_primitive_ptrs", R"(
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[3] Pointer
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[0] Struct: PrimitivePtrs (size: 24)
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Member: a (offset: 0)
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Primitive: int32_t
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Member: b (offset: 8)
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[1] Pointer
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Primitive: int32_t
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Member: c (offset: 16)
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[2] Pointer
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Primitive: void
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)");
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}
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TEST_F(DrgnParserTest, PointerNoFollow) {
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DrgnParserOptions options{
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.chaseRawPointers = false,
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};
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test("oid_test_case_pointers_struct_primitive_ptrs",
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R"(
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[1] Pointer
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[0] Struct: PrimitivePtrs (size: 24)
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Member: a (offset: 0)
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Primitive: int32_t
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Member: b (offset: 8)
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Primitive: StubbedPointer
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Member: c (offset: 16)
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Primitive: StubbedPointer
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)",
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options);
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}
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TEST_F(DrgnParserTest, PointerIncomplete) {
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test("oid_test_case_pointers_incomplete_raw", R"(
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[0] Pointer
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Incomplete: [IncompleteType]
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)");
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}
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TEST_F(DrgnParserTest, Cycle) {
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test("oid_test_case_cycles_raw_ptr", R"(
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[2] Pointer
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[0] Struct: RawNode (size: 16)
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Member: value (offset: 0)
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Primitive: int32_t
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Member: next (offset: 8)
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[1] Pointer
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[0]
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)");
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}
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TEST_F(DrgnParserTest, ClassTemplateInt) {
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test("oid_test_case_templates_int", R"(
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[1] Pointer
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[0] Class: TemplatedClass1<int> (size: 4)
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Param
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Primitive: int32_t
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Member: val (offset: 0)
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Primitive: int32_t
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)");
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}
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TEST_F(DrgnParserTest, ClassTemplateTwo) {
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test("oid_test_case_templates_two", R"(
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[3] Pointer
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[0] Class: TemplatedClass2<ns_templates::Foo, int> (size: 12)
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Param
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[1] Struct: Foo (size: 8)
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Member: a (offset: 0)
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Primitive: int32_t
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Member: b (offset: 4)
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Primitive: int32_t
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Param
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Primitive: int32_t
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Member: tc1 (offset: 0)
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[2] Class: TemplatedClass1<ns_templates::Foo> (size: 8)
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Param
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[1]
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Member: val (offset: 0)
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[1]
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Member: val2 (offset: 8)
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Primitive: int32_t
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)");
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}
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TEST_F(DrgnParserTest, ClassTemplateValue) {
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test("oid_test_case_templates_value", R"(
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[2] Pointer
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[0] Struct: TemplatedClassVal<3> (size: 12)
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Param
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Value: 3
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Primitive: int32_t
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Member: arr (offset: 0)
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[1] Array: (length: 3)
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Primitive: int32_t
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)");
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}
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TEST_F(DrgnParserTest, TemplateEnumValue) {
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testMultiCompilerGlob("oid_test_case_enums_params_scoped_enum_val",
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R"(
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[1] Pointer
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[0] Class: MyClass<ns_enums_params::MyNS::ScopedEnum::One> (size: 4)
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Param
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Value: ns_enums_params::MyNS::ScopedEnum::One
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Enum: ScopedEnum (size: 4)
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*
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)",
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R"(
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[1] Pointer
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[0] Class: MyClass<(ns_enums_params::MyNS::ScopedEnum)1> (size: 4)
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Param
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Value: ns_enums_params::MyNS::ScopedEnum::One
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Enum: ScopedEnum (size: 4)
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*
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)");
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}
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TEST_F(DrgnParserTest, TemplateEnumValueGaps) {
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testMultiCompilerGlob("oid_test_case_enums_params_scoped_enum_val_gaps",
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R"(
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[1] Pointer
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[0] Class: ClassGaps<ns_enums_params::MyNS::EnumWithGaps::Twenty> (size: 4)
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Param
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Value: ns_enums_params::MyNS::EnumWithGaps::Twenty
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Enum: EnumWithGaps (size: 4)
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*
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)",
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R"(
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[1] Pointer
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[0] Class: ClassGaps<(ns_enums_params::MyNS::EnumWithGaps)20> (size: 4)
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Param
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Value: ns_enums_params::MyNS::EnumWithGaps::Twenty
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Enum: EnumWithGaps (size: 4)
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*
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)");
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}
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TEST_F(DrgnParserTest, TemplateEnumValueNegative) {
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testMultiCompilerGlob("oid_test_case_enums_params_scoped_enum_val_negative",
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R"(
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[1] Pointer
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[0] Class: ClassGaps<ns_enums_params::MyNS::EnumWithGaps::MinusTwo> (size: 4)
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Param
|
|
Value: ns_enums_params::MyNS::EnumWithGaps::MinusTwo
|
|
Enum: EnumWithGaps (size: 4)
|
|
*
|
|
)",
|
|
R"(
|
|
[1] Pointer
|
|
[0] Class: ClassGaps<(ns_enums_params::MyNS::EnumWithGaps)-2> (size: 4)
|
|
Param
|
|
Value: ns_enums_params::MyNS::EnumWithGaps::MinusTwo
|
|
Enum: EnumWithGaps (size: 4)
|
|
*
|
|
)");
|
|
}
|
|
|
|
// TODO
|
|
// TEST_F(DrgnParserTest, ClassFunctions) {
|
|
// test("TestClassFunctions", R"(
|
|
//[0] Pointer
|
|
//[1] Class: ClassFunctions (size: 4)
|
|
// Member: memberA (offset: 0)
|
|
// Primitive: int32_t
|
|
// Function: foo (virtuality: 0)
|
|
// Function: bar (virtuality: 0)
|
|
//)");
|
|
//}
|
|
|
|
TEST_F(DrgnParserTest, StructAlignment) {
|
|
GTEST_SKIP() << "Alignment not reported by drgn yet";
|
|
test("oid_test_case_alignment_struct", R"(
|
|
[1] Pointer
|
|
[0] Struct: Align16 (size: 16, align: 16)
|
|
Member: c (offset: 0)
|
|
Primitive: int8_t
|
|
)");
|
|
}
|
|
|
|
TEST_F(DrgnParserTest, MemberAlignment) {
|
|
GTEST_SKIP() << "Alignment not reported by drgn yet";
|
|
test("oid_test_case_alignment_member_alignment", R"(
|
|
[1] Pointer
|
|
[0] Struct: MemberAlignment (size: 64)
|
|
Member: c (offset: 0)
|
|
Primitive: int8_t
|
|
Member: c32 (offset: 32, align: 32)
|
|
Primitive: int8_t
|
|
)");
|
|
}
|
|
|
|
TEST_F(DrgnParserTest, VirtualFunctions) {
|
|
testMultiCompiler("oid_test_case_inheritance_polymorphic_a_as_a",
|
|
R"(
|
|
[1] Pointer
|
|
[0] Class: A (size: 16)
|
|
Member: _vptr$A (offset: 0)
|
|
Primitive: StubbedPointer
|
|
Member: int_a (offset: 8)
|
|
Primitive: int32_t
|
|
Function: ~A (virtual)
|
|
Function: myfunc (virtual)
|
|
Function: A
|
|
Function: A
|
|
)",
|
|
R"(
|
|
[1] Pointer
|
|
[0] Class: A (size: 16)
|
|
Member: _vptr.A (offset: 0)
|
|
Primitive: StubbedPointer
|
|
Member: int_a (offset: 8)
|
|
Primitive: int32_t
|
|
Function: operator=
|
|
Function: A
|
|
Function: A
|
|
Function: ~A (virtual)
|
|
Function: myfunc (virtual)
|
|
)");
|
|
}
|
|
|
|
TEST_F(DrgnParserTest, BitfieldsSingle) {
|
|
test("oid_test_case_bitfields_single", R"(
|
|
[1] Pointer
|
|
[0] Struct: Single (size: 4)
|
|
Member: bitfield (offset: 0, bitsize: 3)
|
|
Primitive: int32_t
|
|
)");
|
|
}
|
|
|
|
TEST_F(DrgnParserTest, BitfieldsWithinBytes) {
|
|
test("oid_test_case_bitfields_within_bytes", R"(
|
|
[1] Pointer
|
|
[0] Struct: WithinBytes (size: 2)
|
|
Member: a (offset: 0, bitsize: 3)
|
|
Primitive: int8_t
|
|
Member: b (offset: 0.375, bitsize: 5)
|
|
Primitive: int8_t
|
|
Member: c (offset: 1, bitsize: 7)
|
|
Primitive: int8_t
|
|
)");
|
|
}
|
|
|
|
TEST_F(DrgnParserTest, BitfieldsStraddleBytes) {
|
|
test("oid_test_case_bitfields_straddle_bytes", R"(
|
|
[1] Pointer
|
|
[0] Struct: StraddleBytes (size: 3)
|
|
Member: a (offset: 0, bitsize: 7)
|
|
Primitive: int8_t
|
|
Member: b (offset: 1, bitsize: 7)
|
|
Primitive: int8_t
|
|
Member: c (offset: 2, bitsize: 2)
|
|
Primitive: int8_t
|
|
)");
|
|
}
|
|
|
|
TEST_F(DrgnParserTest, BitfieldsMixed) {
|
|
test("oid_test_case_bitfields_mixed", R"(
|
|
[1] Pointer
|
|
[0] Struct: Mixed (size: 12)
|
|
Member: a (offset: 0)
|
|
Primitive: int32_t
|
|
Member: b (offset: 4, bitsize: 4)
|
|
Primitive: int8_t
|
|
Member: c (offset: 4.5, bitsize: 12)
|
|
Primitive: int16_t
|
|
Member: d (offset: 6)
|
|
Primitive: int8_t
|
|
Member: e (offset: 8, bitsize: 22)
|
|
Primitive: int32_t
|
|
)");
|
|
}
|
|
|
|
TEST_F(DrgnParserTest, BitfieldsMoreBitsThanType) {
|
|
GTEST_SKIP() << "drgn errors out";
|
|
test("oid_test_case_bitfields_more_bits_than_type", R"(
|
|
[1] Pointer
|
|
[0] Struct: MoreBitsThanType (size: 4)
|
|
Member: a (offset: 0, bitsize: 8)
|
|
Primitive: int8_t
|
|
)");
|
|
}
|
|
|
|
TEST_F(DrgnParserTest, BitfieldsZeroBits) {
|
|
test("oid_test_case_bitfields_zero_bits", R"(
|
|
[1] Pointer
|
|
[0] Struct: ZeroBits (size: 2)
|
|
Member: b1 (offset: 0, bitsize: 3)
|
|
Primitive: int8_t
|
|
Member: b2 (offset: 1, bitsize: 2)
|
|
Primitive: int8_t
|
|
)");
|
|
}
|
|
|
|
TEST_F(DrgnParserTest, BitfieldsEnum) {
|
|
test("oid_test_case_bitfields_enum", R"(
|
|
[1] Pointer
|
|
[0] Struct: Enum (size: 4)
|
|
Member: e (offset: 0, bitsize: 2)
|
|
Enum: MyEnum (size: 4)
|
|
Enumerator: 0:One
|
|
Enumerator: 1:Two
|
|
Enumerator: 2:Three
|
|
Member: f (offset: 0.25, bitsize: 4)
|
|
Enum: MyEnum (size: 4)
|
|
Enumerator: 0:One
|
|
Enumerator: 1:Two
|
|
Enumerator: 2:Three
|
|
)");
|
|
}
|
|
|
|
// TODO test virtual classes
|