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//===- DWARFYAMLTest.cpp - Tests for DWARFYAML.cpp ------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/ObjectYAML/DWARFYAML.h"
#include "llvm/ObjectYAML/DWARFEmitter.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/YAMLTraits.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
using namespace llvm;
template <class T> static Error parseDWARFYAML(StringRef Yaml, T &Data) {
SMDiagnostic GenerateDiag;
yaml::Input YIn(
Yaml, /*Ctxt=*/nullptr,
[](const SMDiagnostic &Diag, void *DiagContext) {
*static_cast<SMDiagnostic *>(DiagContext) = Diag;
},
&GenerateDiag);
YIn >> Data;
if (YIn.error())
return createStringError(YIn.error(), GenerateDiag.getMessage());
return Error::success();
}
TEST(DebugAddrSection, TestParseDebugAddrYAML) {
StringRef Yaml = R"(
debug_addr:
- Format: DWARF64
Length: 0x1234
Version: 5
)";
DWARFYAML::Data Data;
EXPECT_THAT_ERROR(parseDWARFYAML(Yaml, Data), Succeeded());
}
TEST(DebugAddrSection, TestMissingVersion) {
StringRef Yaml = R"(
Format: DWARF64
Length: 0x1234
)";
DWARFYAML::AddrTableEntry AddrTableEntry;
EXPECT_THAT_ERROR(parseDWARFYAML(Yaml, AddrTableEntry),
FailedWithMessage("missing required key 'Version'"));
}
TEST(DebugAddrSection, TestUnexpectedKey) {
StringRef Yaml = R"(
Format: DWARF64
Length: 0x1234
Version: 5
Blah: unexpected
)";
DWARFYAML::AddrTableEntry AddrTableEntry;
EXPECT_THAT_ERROR(parseDWARFYAML(Yaml, AddrTableEntry),
FailedWithMessage("unknown key 'Blah'"));
}
TEST(DebugPubSection, TestDebugPubSection) {
StringRef Yaml = R"(
debug_pubnames:
Length: 0x1234
Version: 2
UnitOffset: 0x4321
UnitSize: 0x00
Entries:
- DieOffset: 0x1234
Name: abc
- DieOffset: 0x4321
Name: def
debug_pubtypes:
Length: 0x1234
Version: 2
UnitOffset: 0x4321
UnitSize: 0x00
Entries:
- DieOffset: 0x1234
Name: abc
- DieOffset: 0x4321
Name: def
)";
DWARFYAML::Data Data;
ASSERT_THAT_ERROR(parseDWARFYAML(Yaml, Data), Succeeded());
ASSERT_TRUE(Data.PubNames.has_value());
DWARFYAML::PubSection PubNames = *Data.PubNames;
ASSERT_EQ(PubNames.Entries.size(), 2u);
EXPECT_EQ((uint32_t)PubNames.Entries[0].DieOffset, 0x1234u);
EXPECT_EQ(PubNames.Entries[0].Name, "abc");
EXPECT_EQ((uint32_t)PubNames.Entries[1].DieOffset, 0x4321u);
EXPECT_EQ(PubNames.Entries[1].Name, "def");
ASSERT_TRUE(Data.PubTypes.has_value());
DWARFYAML::PubSection PubTypes = *Data.PubTypes;
ASSERT_EQ(PubTypes.Entries.size(), 2u);
EXPECT_EQ((uint32_t)PubTypes.Entries[0].DieOffset, 0x1234u);
EXPECT_EQ(PubTypes.Entries[0].Name, "abc");
EXPECT_EQ((uint32_t)PubTypes.Entries[1].DieOffset, 0x4321u);
EXPECT_EQ(PubTypes.Entries[1].Name, "def");
}
TEST(DebugPubSection, TestUnexpectedDescriptor) {
StringRef Yaml = R"(
debug_pubnames:
Length: 0x1234
Version: 2
UnitOffset: 0x4321
UnitSize: 0x00
Entries:
- DieOffset: 0x1234
Descriptor: 0x12
Name: abcd
)";
DWARFYAML::Data Data;
EXPECT_THAT_ERROR(parseDWARFYAML(Yaml, Data),
FailedWithMessage("unknown key 'Descriptor'"));
}
TEST(DebugGNUPubSection, TestDebugGNUPubSections) {
StringRef Yaml = R"(
debug_gnu_pubnames:
Length: 0x1234
Version: 2
UnitOffset: 0x4321
UnitSize: 0x00
Entries:
- DieOffset: 0x1234
Descriptor: 0x12
Name: abc
- DieOffset: 0x4321
Descriptor: 0x34
Name: def
debug_gnu_pubtypes:
Length: 0x1234
Version: 2
UnitOffset: 0x4321
UnitSize: 0x00
Entries:
- DieOffset: 0x1234
Descriptor: 0x12
Name: abc
- DieOffset: 0x4321
Descriptor: 0x34
Name: def
)";
DWARFYAML::Data Data;
ASSERT_THAT_ERROR(parseDWARFYAML(Yaml, Data), Succeeded());
ASSERT_TRUE(Data.GNUPubNames.has_value());
DWARFYAML::PubSection GNUPubNames = *Data.GNUPubNames;
ASSERT_EQ(GNUPubNames.Entries.size(), 2u);
EXPECT_EQ((uint32_t)GNUPubNames.Entries[0].DieOffset, 0x1234u);
EXPECT_EQ((uint8_t)GNUPubNames.Entries[0].Descriptor, 0x12);
EXPECT_EQ(GNUPubNames.Entries[0].Name, "abc");
EXPECT_EQ((uint32_t)GNUPubNames.Entries[1].DieOffset, 0x4321u);
EXPECT_EQ((uint8_t)GNUPubNames.Entries[1].Descriptor, 0x34);
EXPECT_EQ(GNUPubNames.Entries[1].Name, "def");
ASSERT_TRUE(Data.GNUPubTypes.has_value());
DWARFYAML::PubSection GNUPubTypes = *Data.GNUPubTypes;
ASSERT_EQ(GNUPubTypes.Entries.size(), 2u);
EXPECT_EQ((uint32_t)GNUPubTypes.Entries[0].DieOffset, 0x1234u);
EXPECT_EQ((uint8_t)GNUPubTypes.Entries[0].Descriptor, 0x12);
EXPECT_EQ(GNUPubTypes.Entries[0].Name, "abc");
EXPECT_EQ((uint32_t)GNUPubTypes.Entries[1].DieOffset, 0x4321u);
EXPECT_EQ((uint8_t)GNUPubTypes.Entries[1].Descriptor, 0x34);
EXPECT_EQ(GNUPubTypes.Entries[1].Name, "def");
}
TEST(DebugGNUPubSection, TestMissingDescriptor) {
StringRef Yaml = R"(
debug_gnu_pubnames:
Length: 0x1234
Version: 2
UnitOffset: 0x4321
UnitSize: 0x00
Entries:
- DieOffset: 0x1234
Name: abcd
)";
DWARFYAML::Data Data;
EXPECT_THAT_ERROR(parseDWARFYAML(Yaml, Data),
FailedWithMessage("missing required key 'Descriptor'"));
}
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