/thirdparty/breakpad/common/linux/dump_symbols_unittest.cc
http://github.com/tomahawk-player/tomahawk · C++ · 166 lines · 110 code · 19 blank · 37 comment · 2 complexity · ffe2e1a83c4c9a8f1178b8b422654a46 MD5 · raw file
- // Copyright (c) 2011 Google Inc.
- // All rights reserved.
- //
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions are
- // met:
- //
- // * Redistributions of source code must retain the above copyright
- // notice, this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above
- // copyright notice, this list of conditions and the following disclaimer
- // in the documentation and/or other materials provided with the
- // distribution.
- // * Neither the name of Google Inc. nor the names of its
- // contributors may be used to endorse or promote products derived from
- // this software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- // Original author: Ted Mielczarek <ted.mielczarek@gmail.com>
- // dump_symbols_unittest.cc:
- // Unittests for google_breakpad::DumpSymbols
- #include <elf.h>
- #include <link.h>
- #include <stdio.h>
- #include <sstream>
- #include <string>
- #include <vector>
- #include "breakpad_googletest_includes.h"
- #include "common/linux/synth_elf.h"
- namespace google_breakpad {
- bool WriteSymbolFileInternal(uint8_t* obj_file,
- const std::string &obj_filename,
- const std::string &debug_dir,
- bool cfi,
- std::ostream &sym_stream);
- }
- using google_breakpad::synth_elf::ELF;
- using google_breakpad::synth_elf::StringTable;
- using google_breakpad::synth_elf::SymbolTable;
- using google_breakpad::test_assembler::kLittleEndian;
- using google_breakpad::test_assembler::Section;
- using google_breakpad::WriteSymbolFileInternal;
- using std::string;
- using std::stringstream;
- using std::vector;
- using ::testing::Test;
- class DumpSymbols : public Test {
- public:
- void GetElfContents(ELF& elf) {
- string contents;
- ASSERT_TRUE(elf.GetContents(&contents));
- ASSERT_LT(0, contents.size());
- elfdata_v.clear();
- elfdata_v.insert(elfdata_v.begin(), contents.begin(), contents.end());
- elfdata = &elfdata_v[0];
- }
- vector<uint8_t> elfdata_v;
- uint8_t* elfdata;
- };
- TEST_F(DumpSymbols, Invalid) {
- Elf32_Ehdr header;
- memset(&header, 0, sizeof(header));
- stringstream s;
- EXPECT_FALSE(WriteSymbolFileInternal(reinterpret_cast<uint8_t*>(&header),
- "foo",
- "",
- true,
- s));
- }
- // TODO(ted): Fix the dump_symbols code to deal with cross-word-size
- // ELF files.
- #if __ELF_NATIVE_CLASS == 32
- TEST_F(DumpSymbols, SimplePublic32) {
- ELF elf(EM_386, ELFCLASS32, kLittleEndian);
- // Zero out text section for simplicity.
- Section text(kLittleEndian);
- text.Append(4096, 0);
- elf.AddSection(".text", text, SHT_PROGBITS);
- // Add a public symbol.
- StringTable table(kLittleEndian);
- SymbolTable syms(kLittleEndian, 4, table);
- syms.AddSymbol("superfunc", (uint32_t)0x1000, (uint32_t)0x10,
- ELF32_ST_INFO(STB_GLOBAL, STT_FUNC),
- SHN_UNDEF + 1);
- int index = elf.AddSection(".dynstr", table, SHT_STRTAB);
- elf.AddSection(".dynsym", syms,
- SHT_DYNSYM, // type
- SHF_ALLOC, // flags
- 0, // addr
- index, // link
- sizeof(Elf32_Sym)); // entsize
- elf.Finish();
- GetElfContents(elf);
- stringstream s;
- ASSERT_TRUE(WriteSymbolFileInternal(elfdata,
- "foo",
- "",
- true,
- s));
- EXPECT_EQ("MODULE Linux x86 000000000000000000000000000000000 foo\n"
- "PUBLIC 1000 0 superfunc\n",
- s.str());
- }
- #endif
- #if __ELF_NATIVE_CLASS == 64
- TEST_F(DumpSymbols, SimplePublic64) {
- ELF elf(EM_X86_64, ELFCLASS64, kLittleEndian);
- // Zero out text section for simplicity.
- Section text(kLittleEndian);
- text.Append(4096, 0);
- elf.AddSection(".text", text, SHT_PROGBITS);
- // Add a public symbol.
- StringTable table(kLittleEndian);
- SymbolTable syms(kLittleEndian, 8, table);
- syms.AddSymbol("superfunc", (uint64_t)0x1000, (uint64_t)0x10,
- ELF64_ST_INFO(STB_GLOBAL, STT_FUNC),
- SHN_UNDEF + 1);
- int index = elf.AddSection(".dynstr", table, SHT_STRTAB);
- elf.AddSection(".dynsym", syms,
- SHT_DYNSYM, // type
- SHF_ALLOC, // flags
- 0, // addr
- index, // link
- sizeof(Elf64_Sym)); // entsize
- elf.Finish();
- GetElfContents(elf);
- stringstream s;
- ASSERT_TRUE(WriteSymbolFileInternal(elfdata,
- "foo",
- "",
- true,
- s));
- EXPECT_EQ("MODULE Linux x86_64 000000000000000000000000000000000 foo\n"
- "PUBLIC 1000 0 superfunc\n",
- s.str());
- }
- #endif