DWARFAcceleratorTableTest.cpp
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//===- DWARFAcceleratorTableTest.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/DebugInfo/DWARF/DWARFAcceleratorTable.h"
#include "llvm/DebugInfo/DWARF/DWARFContext.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
using namespace llvm;
static Error ExtractDebugNames(StringRef NamesSecData, StringRef StrSecData) {
DWARFDataExtractor NamesExtractor(NamesSecData,
/*isLittleEndian=*/true,
/*AddrSize=*/4);
DataExtractor StrExtractor(StrSecData,
/*isLittleEndian=*/true,
/*AddrSize=*/4);
DWARFDebugNames Table(NamesExtractor, StrExtractor);
return Table.extract();
}
namespace {
TEST(DWARFDebugNames, ReservedUnitLength) {
static const char NamesSecData[64] =
"\xf0\xff\xff\xff"; // Reserved unit length value
EXPECT_THAT_ERROR(
ExtractDebugNames(StringRef(NamesSecData, sizeof(NamesSecData)),
StringRef()),
FailedWithMessage("parsing .debug_names header at 0x0: unsupported "
"reserved unit length of value 0xfffffff0"));
}
TEST(DWARFDebugNames, TooSmallForDWARF64) {
// DWARF64 header takes at least 44 bytes.
static const char NamesSecData[43] = "\xff\xff\xff\xff"; // DWARF64 mark
EXPECT_THAT_ERROR(
ExtractDebugNames(StringRef(NamesSecData, sizeof(NamesSecData)),
StringRef()),
FailedWithMessage("parsing .debug_names header at 0x0: unexpected end of "
"data at offset 0x2b while reading [0x28, 0x2c)"));
}
} // end anonymous namespace