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authorDawid Potocki <dawid@dawidpotocki.com>2024-03-05 14:09:27 +1300
committerDawid Potocki <dawid@dawidpotocki.com>2024-03-05 20:34:15 +1300
commit063e15900bda8453fb0fc6751e78d064501ccbae (patch)
treea4cd5f01dbca33a262333aff10e1e035217a30c8 /externals/breakpad/src/common/dwarf_cfi_to_module_unittest.cc
parent537296095ab24eddcb196b5ef98004f91de9c8c2 (diff)
Replace broken submodules with vendored source codeHEADpatched
Diffstat (limited to 'externals/breakpad/src/common/dwarf_cfi_to_module_unittest.cc')
-rw-r--r--externals/breakpad/src/common/dwarf_cfi_to_module_unittest.cc321
1 files changed, 321 insertions, 0 deletions
diff --git a/externals/breakpad/src/common/dwarf_cfi_to_module_unittest.cc b/externals/breakpad/src/common/dwarf_cfi_to_module_unittest.cc
new file mode 100644
index 0000000000..52653ec6ec
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+++ b/externals/breakpad/src/common/dwarf_cfi_to_module_unittest.cc
@@ -0,0 +1,321 @@
+// Copyright 2010 Google LLC
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google LLC nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
+
+// dwarf_cfi_to_module_unittest.cc: Tests for google_breakpad::DwarfCFIToModule.
+
+#ifdef HAVE_CONFIG_H
+#include <config.h> // Must come first
+#endif
+
+#include <string>
+#include <vector>
+
+#include "breakpad_googletest_includes.h"
+#include "common/dwarf_cfi_to_module.h"
+#include "common/using_std_string.h"
+
+using std::vector;
+
+using google_breakpad::Module;
+using google_breakpad::DwarfCFIToModule;
+using testing::ContainerEq;
+using testing::Test;
+using testing::_;
+
+struct MockCFIReporter: public DwarfCFIToModule::Reporter {
+ MockCFIReporter(const string& file, const string& section)
+ : Reporter(file, section) { }
+ MOCK_METHOD2(UnnamedRegister, void(size_t offset, int reg));
+ MOCK_METHOD2(UndefinedNotSupported, void(size_t offset, const string& reg));
+ MOCK_METHOD2(ExpressionsNotSupported, void(size_t offset, const string& reg));
+};
+
+struct DwarfCFIToModuleFixture {
+ DwarfCFIToModuleFixture()
+ : module("module name", "module os", "module arch", "module id"),
+ reporter("reporter file", "reporter section"),
+ handler(&module, register_names, &reporter) {
+ register_names.push_back("reg0");
+ register_names.push_back("reg1");
+ register_names.push_back("reg2");
+ register_names.push_back("reg3");
+ register_names.push_back("reg4");
+ register_names.push_back("reg5");
+ register_names.push_back("reg6");
+ register_names.push_back("reg7");
+ register_names.push_back("sp");
+ register_names.push_back("pc");
+ register_names.push_back("");
+
+ EXPECT_CALL(reporter, UnnamedRegister(_, _)).Times(0);
+ EXPECT_CALL(reporter, UndefinedNotSupported(_, _)).Times(0);
+ EXPECT_CALL(reporter, ExpressionsNotSupported(_, _)).Times(0);
+ }
+
+ Module module;
+ vector<string> register_names;
+ MockCFIReporter reporter;
+ DwarfCFIToModule handler;
+ vector<Module::StackFrameEntry*> entries;
+};
+
+class Entry: public DwarfCFIToModuleFixture, public Test { };
+
+TEST_F(Entry, Accept) {
+ ASSERT_TRUE(handler.Entry(0x3b8961b8, 0xa21069698096fc98ULL,
+ 0xb440ce248169c8d6ULL, 3, "", 0xea93c106));
+ ASSERT_TRUE(handler.End());
+ module.GetStackFrameEntries(&entries);
+ EXPECT_EQ(1U, entries.size());
+ EXPECT_EQ(0xa21069698096fc98ULL, entries[0]->address);
+ EXPECT_EQ(0xb440ce248169c8d6ULL, entries[0]->size);
+ EXPECT_EQ(0U, entries[0]->initial_rules.size());
+ EXPECT_EQ(0U, entries[0]->rule_changes.size());
+}
+
+TEST_F(Entry, AcceptOldVersion) {
+ ASSERT_TRUE(handler.Entry(0xeb60e0fc, 0x75b8806bb09eab78ULL,
+ 0xc771f44958d40bbcULL, 1, "", 0x093c945e));
+ ASSERT_TRUE(handler.End());
+ module.GetStackFrameEntries(&entries);
+ EXPECT_EQ(1U, entries.size());
+ EXPECT_EQ(0x75b8806bb09eab78ULL, entries[0]->address);
+ EXPECT_EQ(0xc771f44958d40bbcULL, entries[0]->size);
+ EXPECT_EQ(0U, entries[0]->initial_rules.size());
+ EXPECT_EQ(0U, entries[0]->rule_changes.size());
+}
+
+struct RuleFixture: public DwarfCFIToModuleFixture {
+ RuleFixture() : DwarfCFIToModuleFixture() {
+ entry_address = 0x89327ebf86b47492ULL;
+ entry_size = 0x2f8cd573072fe02aULL;
+ return_reg = 0x7886a346;
+ }
+ void StartEntry() {
+ ASSERT_TRUE(handler.Entry(0x4445c05c, entry_address, entry_size,
+ 3, "", return_reg));
+ }
+ void CheckEntry() {
+ module.GetStackFrameEntries(&entries);
+ EXPECT_EQ(1U, entries.size());
+ EXPECT_EQ(entry_address, entries[0]->address);
+ EXPECT_EQ(entry_size, entries[0]->size);
+ }
+ uint64_t entry_address, entry_size;
+ unsigned return_reg;
+};
+
+class Rule: public RuleFixture, public Test { };
+
+TEST_F(Rule, UndefinedRule) {
+ EXPECT_CALL(reporter, UndefinedNotSupported(_, "reg7"));
+ StartEntry();
+ ASSERT_TRUE(handler.UndefinedRule(entry_address, 7));
+ ASSERT_TRUE(handler.End());
+ CheckEntry();
+ EXPECT_EQ(0U, entries[0]->initial_rules.size());
+ EXPECT_EQ(0U, entries[0]->rule_changes.size());
+}
+
+TEST_F(Rule, RegisterWithEmptyName) {
+ EXPECT_CALL(reporter, UnnamedRegister(_, 10));
+ EXPECT_CALL(reporter, UndefinedNotSupported(_, "unnamed_register10"));
+ StartEntry();
+ ASSERT_TRUE(handler.UndefinedRule(entry_address, 10));
+ ASSERT_TRUE(handler.End());
+ CheckEntry();
+ EXPECT_EQ(0U, entries[0]->initial_rules.size());
+ EXPECT_EQ(0U, entries[0]->rule_changes.size());
+}
+
+TEST_F(Rule, SameValueRule) {
+ StartEntry();
+ ASSERT_TRUE(handler.SameValueRule(entry_address, 6));
+ ASSERT_TRUE(handler.End());
+ CheckEntry();
+ Module::RuleMap expected_initial;
+ expected_initial["reg6"] = "reg6";
+ EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial));
+ EXPECT_EQ(0U, entries[0]->rule_changes.size());
+}
+
+TEST_F(Rule, OffsetRule) {
+ StartEntry();
+ ASSERT_TRUE(handler.OffsetRule(entry_address + 1, return_reg,
+ DwarfCFIToModule::kCFARegister,
+ 16927065));
+ ASSERT_TRUE(handler.End());
+ CheckEntry();
+ EXPECT_EQ(0U, entries[0]->initial_rules.size());
+ Module::RuleChangeMap expected_changes;
+ expected_changes[entry_address + 1][".ra"] = ".cfa 16927065 + ^";
+ EXPECT_THAT(entries[0]->rule_changes, ContainerEq(expected_changes));
+}
+
+TEST_F(Rule, OffsetRuleNegative) {
+ StartEntry();
+ ASSERT_TRUE(handler.OffsetRule(entry_address + 1,
+ DwarfCFIToModule::kCFARegister, 4, -34530721));
+ ASSERT_TRUE(handler.End());
+ CheckEntry();
+ EXPECT_EQ(0U, entries[0]->initial_rules.size());
+ Module::RuleChangeMap expected_changes;
+ expected_changes[entry_address + 1][".cfa"] = "reg4 -34530721 + ^";
+ EXPECT_THAT(entries[0]->rule_changes, ContainerEq(expected_changes));
+}
+
+TEST_F(Rule, ValOffsetRule) {
+ // Use an unnamed register number, to exercise that branch of RegisterName.
+ EXPECT_CALL(reporter, UnnamedRegister(_, 11));
+ StartEntry();
+ ASSERT_TRUE(handler.ValOffsetRule(entry_address + 0x5ab7,
+ DwarfCFIToModule::kCFARegister,
+ 11, 61812979));
+ ASSERT_TRUE(handler.End());
+ CheckEntry();
+ EXPECT_EQ(0U, entries[0]->initial_rules.size());
+ Module::RuleChangeMap expected_changes;
+ expected_changes[entry_address + 0x5ab7][".cfa"] =
+ "unnamed_register11 61812979 +";
+ EXPECT_THAT(entries[0]->rule_changes, ContainerEq(expected_changes));
+}
+
+TEST_F(Rule, RegisterRule) {
+ StartEntry();
+ ASSERT_TRUE(handler.RegisterRule(entry_address, return_reg, 3));
+ ASSERT_TRUE(handler.End());
+ CheckEntry();
+ Module::RuleMap expected_initial;
+ expected_initial[".ra"] = "reg3";
+ EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial));
+ EXPECT_EQ(0U, entries[0]->rule_changes.size());
+}
+
+TEST_F(Rule, ExpressionRule) {
+ EXPECT_CALL(reporter, ExpressionsNotSupported(_, "reg2"));
+ StartEntry();
+ ASSERT_TRUE(handler.ExpressionRule(entry_address + 0xf326, 2,
+ "it takes two to tango"));
+ ASSERT_TRUE(handler.End());
+ CheckEntry();
+ EXPECT_EQ(0U, entries[0]->initial_rules.size());
+ EXPECT_EQ(0U, entries[0]->rule_changes.size());
+}
+
+TEST_F(Rule, ValExpressionRule) {
+ EXPECT_CALL(reporter, ExpressionsNotSupported(_, "reg0"));
+ StartEntry();
+ ASSERT_TRUE(handler.ValExpressionRule(entry_address + 0x6367, 0,
+ "bit off more than he could chew"));
+ ASSERT_TRUE(handler.End());
+ CheckEntry();
+ EXPECT_EQ(0U, entries[0]->initial_rules.size());
+ EXPECT_EQ(0U, entries[0]->rule_changes.size());
+}
+
+TEST_F(Rule, DefaultReturnAddressRule) {
+ return_reg = 2;
+ StartEntry();
+ ASSERT_TRUE(handler.RegisterRule(entry_address, 0, 1));
+ ASSERT_TRUE(handler.End());
+ CheckEntry();
+ Module::RuleMap expected_initial;
+ expected_initial[".ra"] = "reg2";
+ expected_initial["reg0"] = "reg1";
+ EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial));
+ EXPECT_EQ(0U, entries[0]->rule_changes.size());
+}
+
+TEST_F(Rule, DefaultReturnAddressRuleOverride) {
+ return_reg = 2;
+ StartEntry();
+ ASSERT_TRUE(handler.RegisterRule(entry_address, return_reg, 1));
+ ASSERT_TRUE(handler.End());
+ CheckEntry();
+ Module::RuleMap expected_initial;
+ expected_initial[".ra"] = "reg1";
+ EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial));
+ EXPECT_EQ(0U, entries[0]->rule_changes.size());
+}
+
+TEST_F(Rule, DefaultReturnAddressRuleLater) {
+ return_reg = 2;
+ StartEntry();
+ ASSERT_TRUE(handler.RegisterRule(entry_address + 1, return_reg, 1));
+ ASSERT_TRUE(handler.End());
+ CheckEntry();
+ Module::RuleMap expected_initial;
+ expected_initial[".ra"] = "reg2";
+ EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial));
+ Module::RuleChangeMap expected_changes;
+ expected_changes[entry_address + 1][".ra"] = "reg1";
+ EXPECT_THAT(entries[0]->rule_changes, ContainerEq(expected_changes));
+}
+
+TEST(RegisterNames, I386) {
+ vector<string> names = DwarfCFIToModule::RegisterNames::I386();
+
+ EXPECT_EQ("$eax", names[0]);
+ EXPECT_EQ("$ecx", names[1]);
+ EXPECT_EQ("$esp", names[4]);
+ EXPECT_EQ("$eip", names[8]);
+}
+
+TEST(RegisterNames, ARM) {
+ vector<string> names = DwarfCFIToModule::RegisterNames::ARM();
+
+ EXPECT_EQ("r0", names[0]);
+ EXPECT_EQ("r10", names[10]);
+ EXPECT_EQ("sp", names[13]);
+ EXPECT_EQ("lr", names[14]);
+ EXPECT_EQ("pc", names[15]);
+}
+
+TEST(RegisterNames, X86_64) {
+ vector<string> names = DwarfCFIToModule::RegisterNames::X86_64();
+
+ EXPECT_EQ("$rax", names[0]);
+ EXPECT_EQ("$rdx", names[1]);
+ EXPECT_EQ("$rbp", names[6]);
+ EXPECT_EQ("$rsp", names[7]);
+ EXPECT_EQ("$rip", names[16]);
+}
+
+TEST(RegisterNames, RISCV) {
+ vector<string> names = DwarfCFIToModule::RegisterNames::RISCV();
+
+ EXPECT_EQ("pc", names[0]);
+ EXPECT_EQ("t6", names[31]);
+ EXPECT_EQ("f0", names[32]);
+ EXPECT_EQ("f31", names[63]);
+ EXPECT_EQ("v0", names[96]);
+ EXPECT_EQ("v31", names[127]);
+}
+
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