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-rw-r--r--toolkit/crashreporter/google-breakpad/src/common/linux/synth_elf_unittest.cc413
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diff --git a/toolkit/crashreporter/google-breakpad/src/common/linux/synth_elf_unittest.cc b/toolkit/crashreporter/google-breakpad/src/common/linux/synth_elf_unittest.cc
deleted file mode 100644
index 3715b6e60..000000000
--- a/toolkit/crashreporter/google-breakpad/src/common/linux/synth_elf_unittest.cc
+++ /dev/null
@@ -1,413 +0,0 @@
-// 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>
-
-// synth_elf_unittest.cc:
-// Unittests for google_breakpad::synth_elf::ELF
-
-#include <elf.h>
-
-#include "breakpad_googletest_includes.h"
-#include "common/linux/elfutils.h"
-#include "common/linux/synth_elf.h"
-#include "common/using_std_string.h"
-
-using google_breakpad::ElfClass32;
-using google_breakpad::ElfClass64;
-using google_breakpad::synth_elf::ELF;
-using google_breakpad::synth_elf::Notes;
-using google_breakpad::synth_elf::Section;
-using google_breakpad::synth_elf::StringTable;
-using google_breakpad::synth_elf::SymbolTable;
-using google_breakpad::test_assembler::Endianness;
-using google_breakpad::test_assembler::kBigEndian;
-using google_breakpad::test_assembler::kLittleEndian;
-using google_breakpad::test_assembler::Label;
-using ::testing::Test;
-using ::testing::Types;
-
-class StringTableTest : public Test {
-public:
- StringTableTest() : table(kLittleEndian) {}
-
- StringTable table;
-};
-
-TEST_F(StringTableTest, Empty) {
- EXPECT_EQ(1U, table.Size());
- string contents;
- ASSERT_TRUE(table.GetContents(&contents));
- const char* kExpectedContents = "\0";
- EXPECT_EQ(0, memcmp(kExpectedContents,
- contents.c_str(),
- contents.size()));
- ASSERT_TRUE(table.empty_string.IsKnownConstant());
- EXPECT_EQ(0U, table.empty_string.Value());
-}
-
-TEST_F(StringTableTest, Basic) {
- const string s1("table fills with strings");
- const string s2("offsets preserved as labels");
- const string s3("verified with tests");
- const char* kExpectedContents =
- "\0table fills with strings\0"
- "offsets preserved as labels\0"
- "verified with tests\0";
- Label l1(table.Add(s1));
- Label l2(table.Add(s2));
- Label l3(table.Add(s3));
- string contents;
- ASSERT_TRUE(table.GetContents(&contents));
- EXPECT_EQ(0, memcmp(kExpectedContents,
- contents.c_str(),
- contents.size()));
- // empty_string is at zero, other strings start at 1.
- ASSERT_TRUE(l1.IsKnownConstant());
- EXPECT_EQ(1U, l1.Value());
- // Each string has an extra byte for a trailing null.
- EXPECT_EQ(1 + s1.length() + 1, l2.Value());
- EXPECT_EQ(1 + s1.length() + 1 + s2.length() + 1, l3.Value());
-}
-
-TEST_F(StringTableTest, Duplicates) {
- const string s1("string 1");
- const string s2("string 2");
- const string s3("");
- const char* kExpectedContents = "\0string 1\0string 2\0";
- Label l1(table.Add(s1));
- Label l2(table.Add(s2));
- // Adding strings twice should return the same Label.
- Label l3(table.Add(s3));
- Label l4(table.Add(s2));
- string contents;
- ASSERT_TRUE(table.GetContents(&contents));
- EXPECT_EQ(0, memcmp(kExpectedContents,
- contents.c_str(),
- contents.size()));
- EXPECT_EQ(0U, table.empty_string.Value());
- EXPECT_EQ(table.empty_string.Value(), l3.Value());
- EXPECT_EQ(l2.Value(), l4.Value());
-}
-
-class SymbolTableTest : public Test {};
-
-TEST_F(SymbolTableTest, Simple32) {
- StringTable table(kLittleEndian);
- SymbolTable syms(kLittleEndian, 4, table);
-
- const string kFuncName1 = "superfunc";
- const uint32_t kFuncAddr1 = 0x10001000;
- const uint32_t kFuncSize1 = 0x10;
- const string kFuncName2 = "awesomefunc";
- const uint32_t kFuncAddr2 = 0x20002000;
- const uint32_t kFuncSize2 = 0x2f;
- const string kFuncName3 = "megafunc";
- const uint32_t kFuncAddr3 = 0x30003000;
- const uint32_t kFuncSize3 = 0x3c;
-
- syms.AddSymbol(kFuncName1, kFuncAddr1, kFuncSize1,
- ELF32_ST_INFO(STB_GLOBAL, STT_FUNC),
- SHN_UNDEF + 1);
- syms.AddSymbol(kFuncName2, kFuncAddr2, kFuncSize2,
- ELF32_ST_INFO(STB_LOCAL, STT_FUNC),
- SHN_UNDEF + 2);
- syms.AddSymbol(kFuncName3, kFuncAddr3, kFuncSize3,
- ELF32_ST_INFO(STB_LOCAL, STT_FUNC),
- SHN_UNDEF + 3);
-
- const char kExpectedStringTable[] = "\0superfunc\0awesomefunc\0megafunc";
- const size_t kExpectedStringTableSize = sizeof(kExpectedStringTable);
- EXPECT_EQ(kExpectedStringTableSize, table.Size());
- string table_contents;
- table.GetContents(&table_contents);
- EXPECT_EQ(0, memcmp(kExpectedStringTable,
- table_contents.c_str(),
- table_contents.size()));
-
- const uint8_t kExpectedSymbolContents[] = {
- // Symbol 1
- 0x01, 0x00, 0x00, 0x00, // name
- 0x00, 0x10, 0x00, 0x10, // value
- 0x10, 0x00, 0x00, 0x00, // size
- ELF32_ST_INFO(STB_GLOBAL, STT_FUNC), // info
- 0x00, // other
- 0x01, 0x00, // shndx
- // Symbol 2
- 0x0B, 0x00, 0x00, 0x00, // name
- 0x00, 0x20, 0x00, 0x20, // value
- 0x2f, 0x00, 0x00, 0x00, // size
- ELF32_ST_INFO(STB_LOCAL, STT_FUNC), // info
- 0x00, // other
- 0x02, 0x00, // shndx
- // Symbol 3
- 0x17, 0x00, 0x00, 0x00, // name
- 0x00, 0x30, 0x00, 0x30, // value
- 0x3c, 0x00, 0x00, 0x00, // size
- ELF32_ST_INFO(STB_LOCAL, STT_FUNC), // info
- 0x00, // other
- 0x03, 0x00, // shndx
- };
- const size_t kExpectedSymbolSize = sizeof(kExpectedSymbolContents);
- EXPECT_EQ(kExpectedSymbolSize, syms.Size());
-
- string symbol_contents;
- syms.GetContents(&symbol_contents);
- EXPECT_EQ(0, memcmp(kExpectedSymbolContents,
- symbol_contents.c_str(),
- symbol_contents.size()));
-}
-
-template<typename ElfClass>
-class BasicElf : public Test {};
-
-// Doesn't seem worthwhile writing the tests to be endian-independent
-// when they're unlikely to ever be run on big-endian systems.
-#if defined(__i386__) || defined(__x86_64__)
-
-typedef Types<ElfClass32, ElfClass64> ElfClasses;
-
-TYPED_TEST_CASE(BasicElf, ElfClasses);
-
-TYPED_TEST(BasicElf, EmptyLE) {
- typedef typename TypeParam::Ehdr Ehdr;
- typedef typename TypeParam::Phdr Phdr;
- typedef typename TypeParam::Shdr Shdr;
- const size_t kStringTableSize = sizeof("\0.shstrtab");
- const size_t kStringTableAlign = 4 - kStringTableSize % 4;
- const size_t kExpectedSize = sizeof(Ehdr) +
- // Two sections, SHT_NULL + the section header string table.
- 2 * sizeof(Shdr) +
- kStringTableSize + kStringTableAlign;
-
- // It doesn't really matter that the machine type is right for the class.
- ELF elf(EM_386, TypeParam::kClass, kLittleEndian);
- elf.Finish();
- EXPECT_EQ(kExpectedSize, elf.Size());
-
- string contents;
- ASSERT_TRUE(elf.GetContents(&contents));
- ASSERT_EQ(kExpectedSize, contents.size());
- const Ehdr* header =
- reinterpret_cast<const Ehdr*>(contents.data());
- const uint8_t kIdent[] = {
- ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3,
- TypeParam::kClass, ELFDATA2LSB, EV_CURRENT, ELFOSABI_SYSV,
- 0, 0, 0, 0, 0, 0, 0, 0
- };
- EXPECT_EQ(0, memcmp(kIdent, header->e_ident, sizeof(kIdent)));
- EXPECT_EQ(ET_EXEC, header->e_type);
- EXPECT_EQ(EM_386, header->e_machine);
- EXPECT_EQ(static_cast<unsigned int>(EV_CURRENT), header->e_version);
- EXPECT_EQ(0U, header->e_entry);
- EXPECT_EQ(0U, header->e_phoff);
- EXPECT_EQ(sizeof(Ehdr) + kStringTableSize + kStringTableAlign,
- header->e_shoff);
- EXPECT_EQ(0U, header->e_flags);
- EXPECT_EQ(sizeof(Ehdr), header->e_ehsize);
- EXPECT_EQ(sizeof(Phdr), header->e_phentsize);
- EXPECT_EQ(0, header->e_phnum);
- EXPECT_EQ(sizeof(Shdr), header->e_shentsize);
- EXPECT_EQ(2, header->e_shnum);
- EXPECT_EQ(1, header->e_shstrndx);
-
- const Shdr* shdr =
- reinterpret_cast<const Shdr*>(contents.data() + header->e_shoff);
- EXPECT_EQ(0U, shdr[0].sh_name);
- EXPECT_EQ(static_cast<unsigned int>(SHT_NULL), shdr[0].sh_type);
- EXPECT_EQ(0U, shdr[0].sh_flags);
- EXPECT_EQ(0U, shdr[0].sh_addr);
- EXPECT_EQ(0U, shdr[0].sh_offset);
- EXPECT_EQ(0U, shdr[0].sh_size);
- EXPECT_EQ(0U, shdr[0].sh_link);
- EXPECT_EQ(0U, shdr[0].sh_info);
- EXPECT_EQ(0U, shdr[0].sh_addralign);
- EXPECT_EQ(0U, shdr[0].sh_entsize);
-
- EXPECT_EQ(1U, shdr[1].sh_name);
- EXPECT_EQ(static_cast<unsigned int>(SHT_STRTAB), shdr[1].sh_type);
- EXPECT_EQ(0U, shdr[1].sh_flags);
- EXPECT_EQ(0U, shdr[1].sh_addr);
- EXPECT_EQ(sizeof(Ehdr), shdr[1].sh_offset);
- EXPECT_EQ(kStringTableSize, shdr[1].sh_size);
- EXPECT_EQ(0U, shdr[1].sh_link);
- EXPECT_EQ(0U, shdr[1].sh_info);
- EXPECT_EQ(0U, shdr[1].sh_addralign);
- EXPECT_EQ(0U, shdr[1].sh_entsize);
-}
-
-TYPED_TEST(BasicElf, BasicLE) {
- typedef typename TypeParam::Ehdr Ehdr;
- typedef typename TypeParam::Phdr Phdr;
- typedef typename TypeParam::Shdr Shdr;
- const size_t kStringTableSize = sizeof("\0.text\0.bss\0.shstrtab");
- const size_t kStringTableAlign = 4 - kStringTableSize % 4;
- const size_t kExpectedSize = sizeof(Ehdr) +
- // Four sections, SHT_NULL + the section header string table +
- // 4096 bytes of the size-aligned .text section + one program header.
- sizeof(Phdr) + 4 * sizeof(Shdr) + 4096 +
- kStringTableSize + kStringTableAlign;
-
- // It doesn't really matter that the machine type is right for the class.
- ELF elf(EM_386, TypeParam::kClass, kLittleEndian);
- Section text(kLittleEndian);
- text.Append(4094, 0);
- int text_idx = elf.AddSection(".text", text, SHT_PROGBITS);
- Section bss(kLittleEndian);
- bss.Append(16, 0);
- int bss_idx = elf.AddSection(".bss", bss, SHT_NOBITS);
- elf.AddSegment(text_idx, bss_idx, PT_LOAD);
- elf.Finish();
- EXPECT_EQ(kExpectedSize, elf.Size());
-
- string contents;
- ASSERT_TRUE(elf.GetContents(&contents));
- ASSERT_EQ(kExpectedSize, contents.size());
- const Ehdr* header =
- reinterpret_cast<const Ehdr*>(contents.data());
- const uint8_t kIdent[] = {
- ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3,
- TypeParam::kClass, ELFDATA2LSB, EV_CURRENT, ELFOSABI_SYSV,
- 0, 0, 0, 0, 0, 0, 0, 0
- };
- EXPECT_EQ(0, memcmp(kIdent, header->e_ident, sizeof(kIdent)));
- EXPECT_EQ(ET_EXEC, header->e_type);
- EXPECT_EQ(EM_386, header->e_machine);
- EXPECT_EQ(static_cast<unsigned int>(EV_CURRENT), header->e_version);
- EXPECT_EQ(0U, header->e_entry);
- EXPECT_EQ(sizeof(Ehdr), header->e_phoff);
- EXPECT_EQ(sizeof(Ehdr) + sizeof(Phdr) + 4096 + kStringTableSize +
- kStringTableAlign, header->e_shoff);
- EXPECT_EQ(0U, header->e_flags);
- EXPECT_EQ(sizeof(Ehdr), header->e_ehsize);
- EXPECT_EQ(sizeof(Phdr), header->e_phentsize);
- EXPECT_EQ(1, header->e_phnum);
- EXPECT_EQ(sizeof(Shdr), header->e_shentsize);
- EXPECT_EQ(4, header->e_shnum);
- EXPECT_EQ(3, header->e_shstrndx);
-
- const Shdr* shdr =
- reinterpret_cast<const Shdr*>(contents.data() + header->e_shoff);
- EXPECT_EQ(0U, shdr[0].sh_name);
- EXPECT_EQ(static_cast<unsigned int>(SHT_NULL), shdr[0].sh_type);
- EXPECT_EQ(0U, shdr[0].sh_flags);
- EXPECT_EQ(0U, shdr[0].sh_addr);
- EXPECT_EQ(0U, shdr[0].sh_offset);
- EXPECT_EQ(0U, shdr[0].sh_size);
- EXPECT_EQ(0U, shdr[0].sh_link);
- EXPECT_EQ(0U, shdr[0].sh_info);
- EXPECT_EQ(0U, shdr[0].sh_addralign);
- EXPECT_EQ(0U, shdr[0].sh_entsize);
-
- EXPECT_EQ(1U, shdr[1].sh_name);
- EXPECT_EQ(static_cast<unsigned int>(SHT_PROGBITS), shdr[1].sh_type);
- EXPECT_EQ(0U, shdr[1].sh_flags);
- EXPECT_EQ(0U, shdr[1].sh_addr);
- EXPECT_EQ(sizeof(Ehdr) + sizeof(Phdr), shdr[1].sh_offset);
- EXPECT_EQ(4094U, shdr[1].sh_size);
- EXPECT_EQ(0U, shdr[1].sh_link);
- EXPECT_EQ(0U, shdr[1].sh_info);
- EXPECT_EQ(0U, shdr[1].sh_addralign);
- EXPECT_EQ(0U, shdr[1].sh_entsize);
-
- EXPECT_EQ(sizeof("\0.text"), shdr[2].sh_name);
- EXPECT_EQ(static_cast<unsigned int>(SHT_NOBITS), shdr[2].sh_type);
- EXPECT_EQ(0U, shdr[2].sh_flags);
- EXPECT_EQ(0U, shdr[2].sh_addr);
- EXPECT_EQ(0U, shdr[2].sh_offset);
- EXPECT_EQ(16U, shdr[2].sh_size);
- EXPECT_EQ(0U, shdr[2].sh_link);
- EXPECT_EQ(0U, shdr[2].sh_info);
- EXPECT_EQ(0U, shdr[2].sh_addralign);
- EXPECT_EQ(0U, shdr[2].sh_entsize);
-
- EXPECT_EQ(sizeof("\0.text\0.bss"), shdr[3].sh_name);
- EXPECT_EQ(static_cast<unsigned int>(SHT_STRTAB), shdr[3].sh_type);
- EXPECT_EQ(0U, shdr[3].sh_flags);
- EXPECT_EQ(0U, shdr[3].sh_addr);
- EXPECT_EQ(sizeof(Ehdr) + sizeof(Phdr) + 4096, shdr[3].sh_offset);
- EXPECT_EQ(kStringTableSize, shdr[3].sh_size);
- EXPECT_EQ(0U, shdr[3].sh_link);
- EXPECT_EQ(0U, shdr[3].sh_info);
- EXPECT_EQ(0U, shdr[3].sh_addralign);
- EXPECT_EQ(0U, shdr[3].sh_entsize);
-
- const Phdr* phdr =
- reinterpret_cast<const Phdr*>(contents.data() + header->e_phoff);
- EXPECT_EQ(static_cast<unsigned int>(PT_LOAD), phdr->p_type);
- EXPECT_EQ(sizeof(Ehdr) + sizeof(Phdr), phdr->p_offset);
- EXPECT_EQ(0U, phdr->p_vaddr);
- EXPECT_EQ(0U, phdr->p_paddr);
- EXPECT_EQ(4096U, phdr->p_filesz);
- EXPECT_EQ(4096U + 16U, phdr->p_memsz);
- EXPECT_EQ(0U, phdr->p_flags);
- EXPECT_EQ(0U, phdr->p_align);
-}
-
-class ElfNotesTest : public Test {};
-
-TEST_F(ElfNotesTest, Empty) {
- Notes notes(kLittleEndian);
- string contents;
- ASSERT_TRUE(notes.GetContents(&contents));
- EXPECT_EQ(0U, contents.size());
-}
-
-TEST_F(ElfNotesTest, Notes) {
- Notes notes(kLittleEndian);
- notes.AddNote(1, "Linux", reinterpret_cast<const uint8_t *>("\x42\x02\0\0"),
- 4);
- notes.AddNote(2, "a", reinterpret_cast<const uint8_t *>("foobar"),
- sizeof("foobar") - 1);
-
- const uint8_t kExpectedNotesContents[] = {
- // Note 1
- 0x06, 0x00, 0x00, 0x00, // name size, including terminating zero
- 0x04, 0x00, 0x00, 0x00, // desc size
- 0x01, 0x00, 0x00, 0x00, // type
- 'L', 'i', 'n', 'u', 'x', 0x00, 0x00, 0x00, // padded "Linux"
- 0x42, 0x02, 0x00, 0x00, // desc
- // Note 2
- 0x02, 0x00, 0x00, 0x00, // name size
- 0x06, 0x00, 0x00, 0x00, // desc size
- 0x02, 0x00, 0x00, 0x00, // type
- 'a', 0x00, 0x00, 0x00, // padded "a"
- 'f', 'o', 'o', 'b', 'a', 'r', 0x00, 0x00, // padded "foobar"
- };
- const size_t kExpectedNotesSize = sizeof(kExpectedNotesContents);
- EXPECT_EQ(kExpectedNotesSize, notes.Size());
-
- string notes_contents;
- ASSERT_TRUE(notes.GetContents(&notes_contents));
- EXPECT_EQ(0, memcmp(kExpectedNotesContents,
- notes_contents.data(),
- notes_contents.size()));
-}
-
-#endif // defined(__i386__) || defined(__x86_64__)
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