michael@0: // Copyright (c) 2010, Google Inc.
michael@0: // All rights reserved.
michael@0: //
michael@0: // Redistribution and use in source and binary forms, with or without
michael@0: // modification, are permitted provided that the following conditions are
michael@0: // met:
michael@0: //
michael@0: //     * Redistributions of source code must retain the above copyright
michael@0: // notice, this list of conditions and the following disclaimer.
michael@0: //     * Redistributions in binary form must reproduce the above
michael@0: // copyright notice, this list of conditions and the following disclaimer
michael@0: // in the documentation and/or other materials provided with the
michael@0: // distribution.
michael@0: //     * Neither the name of Google Inc. nor the names of its
michael@0: // contributors may be used to endorse or promote products derived from
michael@0: // this software without specific prior written permission.
michael@0: //
michael@0: // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0: // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0: // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0: // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0: // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@0: // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@0: // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0: // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0: // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0: // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0: // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0: 
michael@0: // Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
michael@0: 
michael@0: // bytereader_unittest.cc: Unit tests for dwarf2reader::ByteReader
michael@0: 
michael@0: #include <string>
michael@0: 
michael@0: #include "breakpad_googletest_includes.h"
michael@0: #include "common/dwarf/bytereader.h"
michael@0: #include "common/dwarf/bytereader-inl.h"
michael@0: #include "common/dwarf/cfi_assembler.h"
michael@0: #include "common/using_std_string.h"
michael@0: 
michael@0: using dwarf2reader::ByteReader;
michael@0: using dwarf2reader::DwarfPointerEncoding;
michael@0: using dwarf2reader::ENDIANNESS_BIG;
michael@0: using dwarf2reader::ENDIANNESS_LITTLE;
michael@0: using google_breakpad::CFISection;
michael@0: using google_breakpad::test_assembler::Label;
michael@0: using google_breakpad::test_assembler::kBigEndian;
michael@0: using google_breakpad::test_assembler::kLittleEndian;
michael@0: using google_breakpad::test_assembler::Section;
michael@0: using testing::Test;
michael@0: 
michael@0: struct ReaderFixture {
michael@0:   string contents;
michael@0:   size_t pointer_size;
michael@0: };
michael@0: 
michael@0: class Reader: public ReaderFixture, public Test { };
michael@0: class ReaderDeathTest: public ReaderFixture, public Test { };
michael@0: 
michael@0: TEST_F(Reader, SimpleConstructor) {
michael@0:   ByteReader reader(ENDIANNESS_BIG);
michael@0:   reader.SetAddressSize(4);
michael@0:   CFISection section(kBigEndian, 4);
michael@0:   section
michael@0:     .D8(0xc0)
michael@0:     .D16(0xcf0d)
michael@0:     .D32(0x96fdd219)
michael@0:     .D64(0xbbf55fef0825f117ULL)
michael@0:     .ULEB128(0xa0927048ba8121afULL)
michael@0:     .LEB128(-0x4f337badf4483f83LL)
michael@0:     .D32(0xfec319c9);
michael@0:   ASSERT_TRUE(section.GetContents(&contents));
michael@0:   const char *data = contents.data();
michael@0:   EXPECT_EQ(0xc0U, reader.ReadOneByte(data));
michael@0:   EXPECT_EQ(0xcf0dU, reader.ReadTwoBytes(data + 1));
michael@0:   EXPECT_EQ(0x96fdd219U, reader.ReadFourBytes(data + 3));
michael@0:   EXPECT_EQ(0xbbf55fef0825f117ULL, reader.ReadEightBytes(data + 7));
michael@0:   size_t leb128_size;
michael@0:   EXPECT_EQ(0xa0927048ba8121afULL,
michael@0:             reader.ReadUnsignedLEB128(data + 15, &leb128_size));
michael@0:   EXPECT_EQ(10U, leb128_size);
michael@0:   EXPECT_EQ(-0x4f337badf4483f83LL,
michael@0:             reader.ReadSignedLEB128(data + 25, &leb128_size));
michael@0:   EXPECT_EQ(10U, leb128_size);
michael@0:   EXPECT_EQ(0xfec319c9, reader.ReadAddress(data + 35));
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, ValidEncodings) {
michael@0:   ByteReader reader(ENDIANNESS_LITTLE);
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_absptr)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_omit)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_aligned)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_uleb128)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata2)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata4)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata8)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sleb128)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata2)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata4)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata8)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_absptr |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_uleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata2 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata4 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata8 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata2 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata4 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata8 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_absptr |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_uleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata2 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata4 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata8 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata2 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata4 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata8 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_absptr |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_uleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata2 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata4 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata8 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata2 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata4 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata8 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_absptr |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_uleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata2 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata4 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_udata8 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata2 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata4 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_sdata8 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_absptr |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_uleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_udata2 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_udata4 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_udata8 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sdata2 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sdata4 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sdata8 |
michael@0:                            dwarf2reader::DW_EH_PE_pcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_absptr |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_uleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_udata2 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_udata4 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_udata8 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sdata2 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sdata4 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sdata8 |
michael@0:                            dwarf2reader::DW_EH_PE_textrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_absptr |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_uleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_udata2 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_udata4 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_udata8 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sdata2 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sdata4 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sdata8 |
michael@0:                            dwarf2reader::DW_EH_PE_datarel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_absptr |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_uleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_udata2 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_udata4 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_udata8 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sleb128 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sdata2 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sdata4 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0:   EXPECT_TRUE(reader.ValidEncoding(
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_indirect |
michael@0:                            dwarf2reader::DW_EH_PE_sdata8 |
michael@0:                            dwarf2reader::DW_EH_PE_funcrel)));
michael@0: 
michael@0:   EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0x05)));
michael@0:   EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0x07)));
michael@0:   EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0x0d)));
michael@0:   EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0x0f)));
michael@0:   EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0x51)));
michael@0:   EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0x60)));
michael@0:   EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0x70)));
michael@0:   EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0xf0)));
michael@0:   EXPECT_FALSE(reader.ValidEncoding(DwarfPointerEncoding(0xd0)));
michael@0: }
michael@0: 
michael@0: TEST_F(ReaderDeathTest, DW_EH_PE_omit) {
michael@0:   static const char data[1] = { 42 };
michael@0:   ByteReader reader(ENDIANNESS_BIG);
michael@0:   reader.SetAddressSize(4);
michael@0:   EXPECT_DEATH(reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_omit,
michael@0:                                          &pointer_size),
michael@0:                "encoding != DW_EH_PE_omit");
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_absptr4) {
michael@0:   static const char data[] = { 0x27, 0x57, 0xea, 0x40 };
michael@0:   ByteReader reader(ENDIANNESS_LITTLE);
michael@0:   reader.SetAddressSize(4);
michael@0:   EXPECT_EQ(0x40ea5727U,
michael@0:             reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_absptr,
michael@0:                                       &pointer_size));
michael@0:   EXPECT_EQ(4U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_absptr8) {
michael@0:   static const char data[] = {
michael@0:     0x60, 0x27, 0x57, 0xea, 0x40, 0xc2, 0x98, 0x05, 0x01, 0x50
michael@0:   };
michael@0:   ByteReader reader(ENDIANNESS_LITTLE);
michael@0:   reader.SetAddressSize(8);
michael@0:   EXPECT_EQ(0x010598c240ea5727ULL,
michael@0:             reader.ReadEncodedPointer(data + 1, dwarf2reader::DW_EH_PE_absptr,
michael@0:                                       &pointer_size));
michael@0:   EXPECT_EQ(8U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_uleb128) {
michael@0:   static const char data[] = { 0x81, 0x84, 0x4c };
michael@0:   ByteReader reader(ENDIANNESS_LITTLE);
michael@0:   reader.SetAddressSize(4);
michael@0:   EXPECT_EQ(0x130201U,
michael@0:             reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_uleb128,
michael@0:                                       &pointer_size));
michael@0:   EXPECT_EQ(3U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_udata2) {
michael@0:   static const char data[] = { 0xf4, 0x8d };
michael@0:   ByteReader reader(ENDIANNESS_BIG);
michael@0:   reader.SetAddressSize(4);
michael@0:   EXPECT_EQ(0xf48dU,
michael@0:             reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_udata2,
michael@0:                                       &pointer_size));
michael@0:   EXPECT_EQ(2U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_udata4) {
michael@0:   static const char data[] = { 0xb2, 0x68, 0xa5, 0x62, 0x8f, 0x8b };
michael@0:   ByteReader reader(ENDIANNESS_BIG);
michael@0:   reader.SetAddressSize(8);
michael@0:   EXPECT_EQ(0xa5628f8b,
michael@0:             reader.ReadEncodedPointer(data + 2, dwarf2reader::DW_EH_PE_udata4,
michael@0:                                       &pointer_size));
michael@0:   EXPECT_EQ(4U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_udata8Addr8) {
michael@0:   static const char data[] = {
michael@0:     0x27, 0x04, 0x73, 0x04, 0x69, 0x9f, 0x19, 0xed, 0x8f, 0xfe
michael@0:   };
michael@0:   ByteReader reader(ENDIANNESS_LITTLE);
michael@0:   reader.SetAddressSize(8);
michael@0:   EXPECT_EQ(0x8fed199f69047304ULL,
michael@0:             reader.ReadEncodedPointer(data + 1, dwarf2reader::DW_EH_PE_udata8,
michael@0:                                         &pointer_size));
michael@0:   EXPECT_EQ(8U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_udata8Addr4) {
michael@0:   static const char data[] = {
michael@0:     0x27, 0x04, 0x73, 0x04, 0x69, 0x9f, 0x19, 0xed, 0x8f, 0xfe
michael@0:   };
michael@0:   ByteReader reader(ENDIANNESS_LITTLE);
michael@0:   reader.SetAddressSize(4);
michael@0:   EXPECT_EQ(0x69047304ULL,
michael@0:             reader.ReadEncodedPointer(data + 1, dwarf2reader::DW_EH_PE_udata8,
michael@0:                                         &pointer_size));
michael@0:   EXPECT_EQ(8U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_sleb128) {
michael@0:   static const char data[] = { 0x42, 0xff, 0xfb, 0x73 };
michael@0:   ByteReader reader(ENDIANNESS_BIG);
michael@0:   reader.SetAddressSize(4);
michael@0:   EXPECT_EQ(-0x030201U & 0xffffffff,
michael@0:             reader.ReadEncodedPointer(data + 1, dwarf2reader::DW_EH_PE_sleb128,
michael@0:                                         &pointer_size));
michael@0:   EXPECT_EQ(3U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_sdata2) {
michael@0:   static const char data[] = { 0xb9, 0xbf };
michael@0:   ByteReader reader(ENDIANNESS_LITTLE);
michael@0:   reader.SetAddressSize(8);
michael@0:   EXPECT_EQ(0xffffffffffffbfb9ULL,
michael@0:             reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_sdata2,
michael@0:                                         &pointer_size));
michael@0:   EXPECT_EQ(2U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_sdata4) {
michael@0:   static const char data[] = { 0xa0, 0xca, 0xf2, 0xb8, 0xc2, 0xad };
michael@0:   ByteReader reader(ENDIANNESS_LITTLE);
michael@0:   reader.SetAddressSize(8);
michael@0:   EXPECT_EQ(0xffffffffadc2b8f2ULL,
michael@0:             reader.ReadEncodedPointer(data + 2, dwarf2reader::DW_EH_PE_sdata4,
michael@0:                                         &pointer_size));
michael@0:   EXPECT_EQ(4U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_sdata8) {
michael@0:   static const char data[] = {
michael@0:     0xf6, 0x66, 0x57, 0x79, 0xe0, 0x0c, 0x9b, 0x26, 0x87
michael@0:   };
michael@0:   ByteReader reader(ENDIANNESS_LITTLE);
michael@0:   reader.SetAddressSize(8);
michael@0:   EXPECT_EQ(0x87269b0ce0795766ULL,
michael@0:             reader.ReadEncodedPointer(data + 1, dwarf2reader::DW_EH_PE_sdata8,
michael@0:                                         &pointer_size));
michael@0:   EXPECT_EQ(8U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_pcrel) {
michael@0:   static const char data[] = { 0x4a, 0x8b, 0x1b, 0x14, 0xc8, 0xc4, 0x02, 0xce };
michael@0:   ByteReader reader(ENDIANNESS_BIG);
michael@0:   reader.SetAddressSize(4);
michael@0:   DwarfPointerEncoding encoding =
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_pcrel
michael@0:                            | dwarf2reader::DW_EH_PE_absptr);
michael@0:   reader.SetCFIDataBase(0x89951377, data);
michael@0:   EXPECT_EQ(0x89951377 + 3 + 0x14c8c402,
michael@0:             reader.ReadEncodedPointer(data + 3, encoding, &pointer_size));
michael@0:   EXPECT_EQ(4U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_textrel) {
michael@0:   static const char data[] = { 0xd9, 0x0d, 0x05, 0x17, 0xc9, 0x7a, 0x42, 0x1e };
michael@0:   ByteReader reader(ENDIANNESS_LITTLE);
michael@0:   reader.SetAddressSize(4);
michael@0:   reader.SetTextBase(0xb91beaf0);
michael@0:   DwarfPointerEncoding encoding =
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_textrel
michael@0:                            | dwarf2reader::DW_EH_PE_sdata2);
michael@0:   EXPECT_EQ((0xb91beaf0 + 0xffffc917) & 0xffffffff,
michael@0:             reader.ReadEncodedPointer(data + 3, encoding, &pointer_size));
michael@0:   EXPECT_EQ(2U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_datarel) {
michael@0:   static const char data[] = { 0x16, 0xf2, 0xbb, 0x82, 0x68, 0xa7, 0xbc, 0x39 };
michael@0:   ByteReader reader(ENDIANNESS_BIG);
michael@0:   reader.SetAddressSize(8);
michael@0:   reader.SetDataBase(0xbef308bd25ce74f0ULL);
michael@0:   DwarfPointerEncoding encoding =
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_datarel
michael@0:                            | dwarf2reader::DW_EH_PE_sleb128);
michael@0:   EXPECT_EQ(0xbef308bd25ce74f0ULL + 0xfffffffffffa013bULL,
michael@0:             reader.ReadEncodedPointer(data + 2, encoding, &pointer_size));
michael@0:   EXPECT_EQ(3U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Reader, DW_EH_PE_funcrel) {
michael@0:   static const char data[] = { 0x84, 0xf8, 0x14, 0x01, 0x61, 0xd1, 0x48, 0xc9 };
michael@0:   ByteReader reader(ENDIANNESS_BIG);
michael@0:   reader.SetAddressSize(4);
michael@0:   reader.SetFunctionBase(0x823c3520);
michael@0:   DwarfPointerEncoding encoding =
michael@0:       DwarfPointerEncoding(dwarf2reader::DW_EH_PE_funcrel
michael@0:                            | dwarf2reader::DW_EH_PE_udata2);
michael@0:   EXPECT_EQ(0x823c3520 + 0xd148,
michael@0:             reader.ReadEncodedPointer(data + 5, encoding, &pointer_size));
michael@0:   EXPECT_EQ(2U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST(UsableBase, CFI) {
michael@0:   static const char data[1] = { 0x42 };
michael@0:   ByteReader reader(ENDIANNESS_BIG);
michael@0:   reader.SetCFIDataBase(0xb31cbd20, data);
michael@0:   EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_absptr));
michael@0:   EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_pcrel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_textrel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_datarel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_funcrel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_omit));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(DwarfPointerEncoding(0x60)));
michael@0: }
michael@0: 
michael@0: TEST(UsableBase, Text) {
michael@0:   ByteReader reader(ENDIANNESS_BIG);
michael@0:   reader.SetTextBase(0xa899ccb9);
michael@0:   EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_absptr));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_pcrel));
michael@0:   EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_textrel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_datarel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_funcrel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_omit));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(DwarfPointerEncoding(0x60)));
michael@0: }
michael@0: 
michael@0: TEST(UsableBase, Data) {
michael@0:   ByteReader reader(ENDIANNESS_BIG);
michael@0:   reader.SetDataBase(0xf7b10bcd);
michael@0:   EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_absptr));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_pcrel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_textrel));
michael@0:   EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_datarel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_funcrel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_omit));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(DwarfPointerEncoding(0x60)));
michael@0: }
michael@0: 
michael@0: TEST(UsableBase, Function) {
michael@0:   ByteReader reader(ENDIANNESS_BIG);
michael@0:   reader.SetFunctionBase(0xc2c0ed81);
michael@0:   EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_absptr));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_pcrel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_textrel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_datarel));
michael@0:   EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_funcrel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_omit));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(DwarfPointerEncoding(0x60)));
michael@0: }
michael@0: 
michael@0: TEST(UsableBase, ClearFunction) {
michael@0:   ByteReader reader(ENDIANNESS_BIG);
michael@0:   reader.SetFunctionBase(0xc2c0ed81);
michael@0:   reader.ClearFunctionBase();
michael@0:   EXPECT_TRUE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_absptr));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_pcrel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_textrel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_datarel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_funcrel));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(dwarf2reader::DW_EH_PE_omit));
michael@0:   EXPECT_FALSE(reader.UsableEncoding(DwarfPointerEncoding(0x60)));
michael@0: }
michael@0: 
michael@0: struct AlignedFixture {
michael@0:   AlignedFixture() : reader(ENDIANNESS_BIG) { reader.SetAddressSize(4); }
michael@0:   static const char data[10];
michael@0:   ByteReader reader;
michael@0:   size_t pointer_size;
michael@0: };
michael@0:   
michael@0: const char AlignedFixture::data[10] = {
michael@0:   0xfe, 0x6e, 0x93, 0xd8, 0x34, 0xd5, 0x1c, 0xd3, 0xac, 0x2b
michael@0: };
michael@0: 
michael@0: class Aligned: public AlignedFixture, public Test { };
michael@0: 
michael@0: TEST_F(Aligned, DW_EH_PE_aligned0) {
michael@0:   reader.SetCFIDataBase(0xb440305c, data);
michael@0:   EXPECT_EQ(0xfe6e93d8U,
michael@0:             reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_aligned,
michael@0:                                       &pointer_size));
michael@0:   EXPECT_EQ(4U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Aligned, DW_EH_PE_aligned1) {
michael@0:   reader.SetCFIDataBase(0xb440305d, data);
michael@0:   EXPECT_EQ(0xd834d51cU,
michael@0:             reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_aligned,
michael@0:                                       &pointer_size));
michael@0:   EXPECT_EQ(7U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Aligned, DW_EH_PE_aligned2) {
michael@0:   reader.SetCFIDataBase(0xb440305e, data);
michael@0:   EXPECT_EQ(0x93d834d5U,
michael@0:             reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_aligned,
michael@0:                                       &pointer_size));
michael@0:   EXPECT_EQ(6U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Aligned, DW_EH_PE_aligned3) {
michael@0:   reader.SetCFIDataBase(0xb440305f, data);
michael@0:   EXPECT_EQ(0x6e93d834U,
michael@0:             reader.ReadEncodedPointer(data, dwarf2reader::DW_EH_PE_aligned,
michael@0:                                       &pointer_size));
michael@0:   EXPECT_EQ(5U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Aligned, DW_EH_PE_aligned11) {
michael@0:   reader.SetCFIDataBase(0xb4403061, data);
michael@0:   EXPECT_EQ(0xd834d51cU,
michael@0:             reader.ReadEncodedPointer(data + 1,
michael@0:                                       dwarf2reader::DW_EH_PE_aligned,
michael@0:                                       &pointer_size));
michael@0:   EXPECT_EQ(6U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Aligned, DW_EH_PE_aligned30) {
michael@0:   reader.SetCFIDataBase(0xb4403063, data);
michael@0:   EXPECT_EQ(0x6e93d834U,
michael@0:             reader.ReadEncodedPointer(data + 1,
michael@0:                                       dwarf2reader::DW_EH_PE_aligned,
michael@0:                                       &pointer_size));
michael@0:   EXPECT_EQ(4U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Aligned, DW_EH_PE_aligned23) {
michael@0:   reader.SetCFIDataBase(0xb4403062, data);
michael@0:   EXPECT_EQ(0x1cd3ac2bU,
michael@0:             reader.ReadEncodedPointer(data + 3,
michael@0:                                       dwarf2reader::DW_EH_PE_aligned,
michael@0:                                       &pointer_size));
michael@0:   EXPECT_EQ(7U, pointer_size);
michael@0: }
michael@0: 
michael@0: TEST_F(Aligned, DW_EH_PE_aligned03) {
michael@0:   reader.SetCFIDataBase(0xb4403064, data);
michael@0:   EXPECT_EQ(0x34d51cd3U,
michael@0:             reader.ReadEncodedPointer(data + 3,
michael@0:                                       dwarf2reader::DW_EH_PE_aligned,
michael@0:                                       &pointer_size));
michael@0:   EXPECT_EQ(5U, pointer_size);
michael@0: }