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Move dead submodules in-tree
Signed-off-by: swurl <swurl@swurl.xyz>
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swurl
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4081 changed files with 1185566 additions and 45 deletions
321
externals/breakpad/src/common/dwarf_cfi_to_module_unittest.cc
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externals/breakpad/src/common/dwarf_cfi_to_module_unittest.cc
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// Copyright 2010 Google LLC
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google LLC nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
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// dwarf_cfi_to_module_unittest.cc: Tests for google_breakpad::DwarfCFIToModule.
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#ifdef HAVE_CONFIG_H
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#include <config.h> // Must come first
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#endif
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#include <string>
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#include <vector>
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#include "breakpad_googletest_includes.h"
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#include "common/dwarf_cfi_to_module.h"
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#include "common/using_std_string.h"
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using std::vector;
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using google_breakpad::Module;
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using google_breakpad::DwarfCFIToModule;
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using testing::ContainerEq;
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using testing::Test;
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using testing::_;
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struct MockCFIReporter: public DwarfCFIToModule::Reporter {
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MockCFIReporter(const string& file, const string& section)
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: Reporter(file, section) { }
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MOCK_METHOD2(UnnamedRegister, void(size_t offset, int reg));
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MOCK_METHOD2(UndefinedNotSupported, void(size_t offset, const string& reg));
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MOCK_METHOD2(ExpressionsNotSupported, void(size_t offset, const string& reg));
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};
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struct DwarfCFIToModuleFixture {
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DwarfCFIToModuleFixture()
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: module("module name", "module os", "module arch", "module id"),
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reporter("reporter file", "reporter section"),
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handler(&module, register_names, &reporter) {
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register_names.push_back("reg0");
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register_names.push_back("reg1");
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register_names.push_back("reg2");
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register_names.push_back("reg3");
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register_names.push_back("reg4");
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register_names.push_back("reg5");
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register_names.push_back("reg6");
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register_names.push_back("reg7");
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register_names.push_back("sp");
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register_names.push_back("pc");
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register_names.push_back("");
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EXPECT_CALL(reporter, UnnamedRegister(_, _)).Times(0);
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EXPECT_CALL(reporter, UndefinedNotSupported(_, _)).Times(0);
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EXPECT_CALL(reporter, ExpressionsNotSupported(_, _)).Times(0);
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}
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Module module;
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vector<string> register_names;
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MockCFIReporter reporter;
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DwarfCFIToModule handler;
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vector<Module::StackFrameEntry*> entries;
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};
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class Entry: public DwarfCFIToModuleFixture, public Test { };
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TEST_F(Entry, Accept) {
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ASSERT_TRUE(handler.Entry(0x3b8961b8, 0xa21069698096fc98ULL,
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0xb440ce248169c8d6ULL, 3, "", 0xea93c106));
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ASSERT_TRUE(handler.End());
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module.GetStackFrameEntries(&entries);
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EXPECT_EQ(1U, entries.size());
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EXPECT_EQ(0xa21069698096fc98ULL, entries[0]->address);
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EXPECT_EQ(0xb440ce248169c8d6ULL, entries[0]->size);
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EXPECT_EQ(0U, entries[0]->initial_rules.size());
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EXPECT_EQ(0U, entries[0]->rule_changes.size());
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}
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TEST_F(Entry, AcceptOldVersion) {
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ASSERT_TRUE(handler.Entry(0xeb60e0fc, 0x75b8806bb09eab78ULL,
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0xc771f44958d40bbcULL, 1, "", 0x093c945e));
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ASSERT_TRUE(handler.End());
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module.GetStackFrameEntries(&entries);
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EXPECT_EQ(1U, entries.size());
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EXPECT_EQ(0x75b8806bb09eab78ULL, entries[0]->address);
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EXPECT_EQ(0xc771f44958d40bbcULL, entries[0]->size);
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EXPECT_EQ(0U, entries[0]->initial_rules.size());
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EXPECT_EQ(0U, entries[0]->rule_changes.size());
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}
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struct RuleFixture: public DwarfCFIToModuleFixture {
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RuleFixture() : DwarfCFIToModuleFixture() {
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entry_address = 0x89327ebf86b47492ULL;
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entry_size = 0x2f8cd573072fe02aULL;
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return_reg = 0x7886a346;
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}
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void StartEntry() {
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ASSERT_TRUE(handler.Entry(0x4445c05c, entry_address, entry_size,
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3, "", return_reg));
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}
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void CheckEntry() {
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module.GetStackFrameEntries(&entries);
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EXPECT_EQ(1U, entries.size());
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EXPECT_EQ(entry_address, entries[0]->address);
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EXPECT_EQ(entry_size, entries[0]->size);
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}
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uint64_t entry_address, entry_size;
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unsigned return_reg;
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};
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class Rule: public RuleFixture, public Test { };
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TEST_F(Rule, UndefinedRule) {
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EXPECT_CALL(reporter, UndefinedNotSupported(_, "reg7"));
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StartEntry();
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ASSERT_TRUE(handler.UndefinedRule(entry_address, 7));
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ASSERT_TRUE(handler.End());
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CheckEntry();
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EXPECT_EQ(0U, entries[0]->initial_rules.size());
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EXPECT_EQ(0U, entries[0]->rule_changes.size());
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}
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TEST_F(Rule, RegisterWithEmptyName) {
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EXPECT_CALL(reporter, UnnamedRegister(_, 10));
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EXPECT_CALL(reporter, UndefinedNotSupported(_, "unnamed_register10"));
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StartEntry();
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ASSERT_TRUE(handler.UndefinedRule(entry_address, 10));
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ASSERT_TRUE(handler.End());
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CheckEntry();
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EXPECT_EQ(0U, entries[0]->initial_rules.size());
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EXPECT_EQ(0U, entries[0]->rule_changes.size());
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}
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TEST_F(Rule, SameValueRule) {
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StartEntry();
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ASSERT_TRUE(handler.SameValueRule(entry_address, 6));
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ASSERT_TRUE(handler.End());
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CheckEntry();
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Module::RuleMap expected_initial;
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expected_initial["reg6"] = "reg6";
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EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial));
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EXPECT_EQ(0U, entries[0]->rule_changes.size());
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}
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TEST_F(Rule, OffsetRule) {
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StartEntry();
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ASSERT_TRUE(handler.OffsetRule(entry_address + 1, return_reg,
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DwarfCFIToModule::kCFARegister,
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16927065));
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ASSERT_TRUE(handler.End());
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CheckEntry();
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EXPECT_EQ(0U, entries[0]->initial_rules.size());
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Module::RuleChangeMap expected_changes;
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expected_changes[entry_address + 1][".ra"] = ".cfa 16927065 + ^";
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EXPECT_THAT(entries[0]->rule_changes, ContainerEq(expected_changes));
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}
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TEST_F(Rule, OffsetRuleNegative) {
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StartEntry();
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ASSERT_TRUE(handler.OffsetRule(entry_address + 1,
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DwarfCFIToModule::kCFARegister, 4, -34530721));
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ASSERT_TRUE(handler.End());
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CheckEntry();
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EXPECT_EQ(0U, entries[0]->initial_rules.size());
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Module::RuleChangeMap expected_changes;
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expected_changes[entry_address + 1][".cfa"] = "reg4 -34530721 + ^";
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EXPECT_THAT(entries[0]->rule_changes, ContainerEq(expected_changes));
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}
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TEST_F(Rule, ValOffsetRule) {
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// Use an unnamed register number, to exercise that branch of RegisterName.
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EXPECT_CALL(reporter, UnnamedRegister(_, 11));
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StartEntry();
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ASSERT_TRUE(handler.ValOffsetRule(entry_address + 0x5ab7,
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DwarfCFIToModule::kCFARegister,
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11, 61812979));
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ASSERT_TRUE(handler.End());
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CheckEntry();
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EXPECT_EQ(0U, entries[0]->initial_rules.size());
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Module::RuleChangeMap expected_changes;
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expected_changes[entry_address + 0x5ab7][".cfa"] =
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"unnamed_register11 61812979 +";
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EXPECT_THAT(entries[0]->rule_changes, ContainerEq(expected_changes));
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}
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TEST_F(Rule, RegisterRule) {
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StartEntry();
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ASSERT_TRUE(handler.RegisterRule(entry_address, return_reg, 3));
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ASSERT_TRUE(handler.End());
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CheckEntry();
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Module::RuleMap expected_initial;
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expected_initial[".ra"] = "reg3";
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EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial));
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EXPECT_EQ(0U, entries[0]->rule_changes.size());
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}
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TEST_F(Rule, ExpressionRule) {
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EXPECT_CALL(reporter, ExpressionsNotSupported(_, "reg2"));
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StartEntry();
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ASSERT_TRUE(handler.ExpressionRule(entry_address + 0xf326, 2,
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"it takes two to tango"));
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ASSERT_TRUE(handler.End());
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CheckEntry();
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EXPECT_EQ(0U, entries[0]->initial_rules.size());
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EXPECT_EQ(0U, entries[0]->rule_changes.size());
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}
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TEST_F(Rule, ValExpressionRule) {
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EXPECT_CALL(reporter, ExpressionsNotSupported(_, "reg0"));
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StartEntry();
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ASSERT_TRUE(handler.ValExpressionRule(entry_address + 0x6367, 0,
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"bit off more than he could chew"));
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ASSERT_TRUE(handler.End());
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CheckEntry();
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EXPECT_EQ(0U, entries[0]->initial_rules.size());
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EXPECT_EQ(0U, entries[0]->rule_changes.size());
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}
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TEST_F(Rule, DefaultReturnAddressRule) {
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return_reg = 2;
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StartEntry();
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ASSERT_TRUE(handler.RegisterRule(entry_address, 0, 1));
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ASSERT_TRUE(handler.End());
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CheckEntry();
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Module::RuleMap expected_initial;
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expected_initial[".ra"] = "reg2";
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expected_initial["reg0"] = "reg1";
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EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial));
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EXPECT_EQ(0U, entries[0]->rule_changes.size());
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}
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TEST_F(Rule, DefaultReturnAddressRuleOverride) {
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return_reg = 2;
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StartEntry();
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ASSERT_TRUE(handler.RegisterRule(entry_address, return_reg, 1));
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ASSERT_TRUE(handler.End());
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CheckEntry();
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Module::RuleMap expected_initial;
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expected_initial[".ra"] = "reg1";
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EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial));
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EXPECT_EQ(0U, entries[0]->rule_changes.size());
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}
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TEST_F(Rule, DefaultReturnAddressRuleLater) {
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return_reg = 2;
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StartEntry();
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ASSERT_TRUE(handler.RegisterRule(entry_address + 1, return_reg, 1));
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ASSERT_TRUE(handler.End());
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CheckEntry();
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Module::RuleMap expected_initial;
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expected_initial[".ra"] = "reg2";
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EXPECT_THAT(entries[0]->initial_rules, ContainerEq(expected_initial));
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Module::RuleChangeMap expected_changes;
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expected_changes[entry_address + 1][".ra"] = "reg1";
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EXPECT_THAT(entries[0]->rule_changes, ContainerEq(expected_changes));
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}
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TEST(RegisterNames, I386) {
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vector<string> names = DwarfCFIToModule::RegisterNames::I386();
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EXPECT_EQ("$eax", names[0]);
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EXPECT_EQ("$ecx", names[1]);
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EXPECT_EQ("$esp", names[4]);
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EXPECT_EQ("$eip", names[8]);
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}
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TEST(RegisterNames, ARM) {
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vector<string> names = DwarfCFIToModule::RegisterNames::ARM();
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EXPECT_EQ("r0", names[0]);
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EXPECT_EQ("r10", names[10]);
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EXPECT_EQ("sp", names[13]);
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EXPECT_EQ("lr", names[14]);
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EXPECT_EQ("pc", names[15]);
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}
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TEST(RegisterNames, X86_64) {
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vector<string> names = DwarfCFIToModule::RegisterNames::X86_64();
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EXPECT_EQ("$rax", names[0]);
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EXPECT_EQ("$rdx", names[1]);
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EXPECT_EQ("$rbp", names[6]);
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EXPECT_EQ("$rsp", names[7]);
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EXPECT_EQ("$rip", names[16]);
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}
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TEST(RegisterNames, RISCV) {
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vector<string> names = DwarfCFIToModule::RegisterNames::RISCV();
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EXPECT_EQ("pc", names[0]);
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EXPECT_EQ("t6", names[31]);
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EXPECT_EQ("f0", names[32]);
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EXPECT_EQ("f31", names[63]);
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EXPECT_EQ("v0", names[96]);
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EXPECT_EQ("v31", names[127]);
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}
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