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87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
//===-- UnwindPlanTest.cpp ------------------------------------------------===//
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//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Symbol/UnwindPlan.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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using namespace lldb_private;
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using namespace lldb;
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static UnwindPlan::Row make_simple_row(addr_t offset, uint64_t cfa_value) {
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UnwindPlan::Row row;
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row.SetOffset(offset);
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row.GetCFAValue().SetIsConstant(cfa_value);
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return row;
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}
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TEST(UnwindPlan, InsertRow) {
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UnwindPlan::Row row1 = make_simple_row(0, 42);
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UnwindPlan::Row row2 = make_simple_row(0, 47);
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UnwindPlan::Row row3 = make_simple_row(-1, 4242);
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UnwindPlan plan(eRegisterKindGeneric);
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plan.InsertRow(row1);
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EXPECT_THAT(plan.GetRowForFunctionOffset(0), testing::Pointee(row1));
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plan.InsertRow(row2, /*replace_existing=*/false);
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EXPECT_THAT(plan.GetRowForFunctionOffset(0), testing::Pointee(row1));
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plan.InsertRow(row2, /*replace_existing=*/true);
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EXPECT_THAT(plan.GetRowForFunctionOffset(0), testing::Pointee(row2));
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EXPECT_THAT(plan.GetRowForFunctionOffset(-1), nullptr);
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plan.InsertRow(row3);
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EXPECT_THAT(plan.GetRowForFunctionOffset(-1), testing::Pointee(row3));
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}
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TEST(UnwindPlan, GetRowForFunctionOffset) {
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UnwindPlan::Row row1 = make_simple_row(10, 42);
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UnwindPlan::Row row2 = make_simple_row(20, 47);
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UnwindPlan plan(eRegisterKindGeneric);
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plan.InsertRow(row1);
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plan.InsertRow(row2);
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EXPECT_THAT(plan.GetRowForFunctionOffset(0), nullptr);
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EXPECT_THAT(plan.GetRowForFunctionOffset(9), nullptr);
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EXPECT_THAT(plan.GetRowForFunctionOffset(10), testing::Pointee(row1));
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EXPECT_THAT(plan.GetRowForFunctionOffset(19), testing::Pointee(row1));
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EXPECT_THAT(plan.GetRowForFunctionOffset(20), testing::Pointee(row2));
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EXPECT_THAT(plan.GetRowForFunctionOffset(99), testing::Pointee(row2));
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}
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TEST(UnwindPlan, PlanValidAtAddress) {
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UnwindPlan::Row row1 = make_simple_row(0, 42);
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UnwindPlan::Row row2 = make_simple_row(10, 47);
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UnwindPlan plan(eRegisterKindGeneric);
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// When valid address range is not set, plans are valid as long as they have a
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// row that sets the CFA.
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EXPECT_FALSE(plan.PlanValidAtAddress(Address(0)));
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EXPECT_FALSE(plan.PlanValidAtAddress(Address(10)));
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plan.InsertRow(row2);
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EXPECT_TRUE(plan.PlanValidAtAddress(Address(0)));
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EXPECT_TRUE(plan.PlanValidAtAddress(Address(10)));
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plan.InsertRow(row1);
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EXPECT_TRUE(plan.PlanValidAtAddress(Address(0)));
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EXPECT_TRUE(plan.PlanValidAtAddress(Address(10)));
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// With an address range, they're only valid within that range.
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plan.SetPlanValidAddressRanges({AddressRange(0, 5), AddressRange(15, 5)});
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EXPECT_TRUE(plan.PlanValidAtAddress(Address(0)));
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EXPECT_FALSE(plan.PlanValidAtAddress(Address(5)));
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EXPECT_FALSE(plan.PlanValidAtAddress(Address(10)));
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EXPECT_TRUE(plan.PlanValidAtAddress(Address(15)));
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EXPECT_FALSE(plan.PlanValidAtAddress(Address(20)));
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EXPECT_FALSE(plan.PlanValidAtAddress(Address(25)));
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}
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