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Diffstat (limited to 'tools/relocation_packer/src/packer_unittest.cc')
-rw-r--r--tools/relocation_packer/src/packer_unittest.cc300
1 files changed, 0 insertions, 300 deletions
diff --git a/tools/relocation_packer/src/packer_unittest.cc b/tools/relocation_packer/src/packer_unittest.cc
deleted file mode 100644
index 424b92cd0..000000000
--- a/tools/relocation_packer/src/packer_unittest.cc
+++ /dev/null
@@ -1,300 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "packer.h"
-
-#include <vector>
-#include "elf.h"
-#include "elf_traits.h"
-#include "gtest/gtest.h"
-
-
-template <typename ELF>
-static void AddRelocation(typename ELF::Addr addr,
- typename ELF::Xword info,
- typename ELF::Sxword addend,
- std::vector<typename ELF::Rela>* relocations) {
- typename ELF::Rela relocation;
- relocation.r_offset = addr;
- relocation.r_info = info;
- relocation.r_addend = addend;
-
- relocations->push_back(relocation);
-}
-
-template <typename ELF>
-static bool CheckRelocation(typename ELF::Addr addr,
- typename ELF::Xword info,
- typename ELF::Sxword addend,
- const typename ELF::Rela& relocation) {
- return relocation.r_offset == addr &&
- relocation.r_info == info &&
- relocation.r_addend == addend;
-}
-
-namespace relocation_packer {
-
-template <typename ELF>
-static void DoPackNoAddend() {
- std::vector<typename ELF::Rela> relocations;
- std::vector<uint8_t> packed;
- bool is_32 = sizeof(typename ELF::Addr) == 4;
- // Initial relocation.
- AddRelocation<ELF>(0xd1ce0000, 0x11, 0, &relocations);
- // Two more relocations, 4 byte deltas.
- AddRelocation<ELF>(0xd1ce0004, 0x11, 0, &relocations);
- AddRelocation<ELF>(0xd1ce0008, 0x11, 0, &relocations);
- // Three more relocations, 8 byte deltas.
- AddRelocation<ELF>(0xd1ce0010, 0x11, 0, &relocations);
- AddRelocation<ELF>(0xd1ce0018, 0x11, 0, &relocations);
- AddRelocation<ELF>(0xd1ce0020, 0x11, 0, &relocations);
-
- RelocationPacker<ELF> packer;
-
- packed.clear();
- packer.PackRelocations(relocations, &packed);
-
- ASSERT_EQ(18U, packed.size());
- // Identifier.
- size_t ndx = 0;
- EXPECT_EQ('A', packed[ndx++]);
- EXPECT_EQ('P', packed[ndx++]);
- EXPECT_EQ('S', packed[ndx++]);
- EXPECT_EQ('2', packed[ndx++]);
- // relocation count
- EXPECT_EQ(6, packed[ndx++]);
- // base relocation = 0xd1cdfffc -> fc, ff, b7, 8e, 7d/0d (32/64bit)
- EXPECT_EQ(0xfc, packed[ndx++]);
- EXPECT_EQ(0xff, packed[ndx++]);
- EXPECT_EQ(0xb7, packed[ndx++]);
- EXPECT_EQ(0x8e, packed[ndx++]);
- EXPECT_EQ(is_32 ? 0x7d : 0x0d, packed[ndx++]);
- // first group
- EXPECT_EQ(3, packed[ndx++]); // size
- EXPECT_EQ(3, packed[ndx++]); // flags
- EXPECT_EQ(4, packed[ndx++]); // r_offset_delta
- EXPECT_EQ(0x11, packed[ndx++]); // r_info
- // second group
- EXPECT_EQ(3, packed[ndx++]); // size
- EXPECT_EQ(3, packed[ndx++]); // flags
- EXPECT_EQ(8, packed[ndx++]); // r_offset_delta
- EXPECT_EQ(0x11, packed[ndx++]); // r_info
-
- EXPECT_EQ(ndx, packed.size());
-}
-
-TEST(Packer, PackNoAddend32) {
- DoPackNoAddend<ELF32_traits>();
-}
-
-TEST(Packer, PackNoAddend64) {
- DoPackNoAddend<ELF64_traits>();
-}
-
-template <typename ELF>
-static void DoUnpackNoAddend() {
- std::vector<typename ELF::Rela> relocations;
- std::vector<uint8_t> packed;
- bool is_32 = sizeof(typename ELF::Addr) == 4;
- packed.push_back('A');
- packed.push_back('P');
- packed.push_back('S');
- packed.push_back('2');
- // relocation count
- packed.push_back(6);
- // base relocation = 0xd1cdfffc -> fc, ff, b7, 8e, 7d/0d (32/64bit)
- packed.push_back(0xfc);
- packed.push_back(0xff);
- packed.push_back(0xb7);
- packed.push_back(0x8e);
- packed.push_back(is_32 ? 0x7d : 0x0d);
- // first group
- packed.push_back(3); // size
- packed.push_back(3); // flags
- packed.push_back(4); // r_offset_delta
- packed.push_back(0x11); // r_info
- // second group
- packed.push_back(3); // size
- packed.push_back(3); // flags
- packed.push_back(8); // r_offset_delta
- packed.push_back(0x11); // r_info
-
- RelocationPacker<ELF> packer;
- packer.UnpackRelocations(packed, &relocations);
-
- size_t ndx = 0;
- EXPECT_EQ(6U, relocations.size());
- EXPECT_TRUE(CheckRelocation<ELF>(0xd1ce0000, 0x11, 0, relocations[ndx++]));
- EXPECT_TRUE(CheckRelocation<ELF>(0xd1ce0004, 0x11, 0, relocations[ndx++]));
- EXPECT_TRUE(CheckRelocation<ELF>(0xd1ce0008, 0x11, 0, relocations[ndx++]));
-
- EXPECT_TRUE(CheckRelocation<ELF>(0xd1ce0010, 0x11, 0, relocations[ndx++]));
- EXPECT_TRUE(CheckRelocation<ELF>(0xd1ce0018, 0x11, 0, relocations[ndx++]));
- EXPECT_TRUE(CheckRelocation<ELF>(0xd1ce0020, 0x11, 0, relocations[ndx++]));
-
- EXPECT_EQ(ndx, relocations.size());
-}
-
-TEST(Packer, UnpackNoAddend32) {
- DoUnpackNoAddend<ELF32_traits>();
-}
-
-TEST(Packer, UnpackNoAddend64) {
- DoUnpackNoAddend<ELF64_traits>();
-}
-
-template <typename ELF>
-static void DoPackWithAddend() {
- std::vector<typename ELF::Rela> relocations;
-
- // Initial relocation.
- AddRelocation<ELF>(0xd1ce0000, 0x01, 10024, &relocations);
- // Two more relocations, 4 byte offset deltas, 12 byte addend deltas.
- AddRelocation<ELF>(0xd1ce0004, 0x01, 10012, &relocations);
- AddRelocation<ELF>(0xd1ce0008, 0x01, 10024, &relocations);
- // Three more relocations, 8 byte deltas, -24 byte addend deltas.
- AddRelocation<ELF>(0xd1ce0010, 0x01, 10000, &relocations);
- AddRelocation<ELF>(0xd1ce0018, 0x01, 9976, &relocations);
- AddRelocation<ELF>(0xd1ce0020, 0x01, 9952, &relocations);
-
- std::vector<uint8_t> packed;
-
- RelocationPacker<ELF> packer;
-
- packed.clear();
- packer.PackRelocations(relocations, &packed);
-
- EXPECT_EQ(26U, packed.size());
- size_t ndx = 0;
- // Identifier.
- EXPECT_EQ('A', packed[ndx++]);
- EXPECT_EQ('P', packed[ndx++]);
- EXPECT_EQ('S', packed[ndx++]);
- EXPECT_EQ('2', packed[ndx++]);
- // Relocation count
- EXPECT_EQ(6U, packed[ndx++]);
- // base relocation = 0xd1cdfffc -> fc, ff, b7, 8e, 0d/7d (depending on ELF::Addr)
- EXPECT_EQ(0xfc, packed[ndx++]);
- EXPECT_EQ(0xff, packed[ndx++]);
- EXPECT_EQ(0xb7, packed[ndx++]);
- EXPECT_EQ(0x8e, packed[ndx++]);
- if (sizeof(typename ELF::Addr) == 8) {
- // positive for uint64_t
- EXPECT_EQ(0x0d, packed[ndx++]);
- } else {
- // negative for uint32_t
- EXPECT_EQ(0x7d, packed[ndx++]);
- }
- // group 1
- EXPECT_EQ(0x03, packed[ndx++]); // size
- EXPECT_EQ(0x0b, packed[ndx++]); // flags
- EXPECT_EQ(0x04, packed[ndx++]); // r_offset_delta
- EXPECT_EQ(0x01, packed[ndx++]); // r_info
- // group 1 - addend 1: 10024 = 0xa8, 0xce, 0x80
- EXPECT_EQ(0xa8, packed[ndx++]);
- EXPECT_EQ(0xce, packed[ndx++]);
- EXPECT_EQ(0x00, packed[ndx++]);
- // group 1 - addend 2: -12 = 0x74
- EXPECT_EQ(0x74, packed[ndx++]);
- // group 1 - addend 3: +12 = 0x0c
- EXPECT_EQ(0x0c, packed[ndx++]);
-
- // group 2
- EXPECT_EQ(0x03, packed[ndx++]); // size
- EXPECT_EQ(0x0b, packed[ndx++]); // flags
- EXPECT_EQ(0x08, packed[ndx++]); // r_offset_delta
- EXPECT_EQ(0x01, packed[ndx++]); // r_info
-
- // group 2 - addend 1: -24 = 0x68
- EXPECT_EQ(0x68, packed[ndx++]);
- // group 2 - addend 2: -24 = 0x68
- EXPECT_EQ(0x68, packed[ndx++]);
- // group 2 - addend 3: -24 = 0x68
- EXPECT_EQ(0x68, packed[ndx++]);
-
- EXPECT_EQ(ndx, packed.size());
-}
-
-TEST(Packer, PackWithAddend) {
- DoPackWithAddend<ELF32_traits>();
- DoPackWithAddend<ELF64_traits>();
-}
-
-template <typename ELF>
-static void DoUnpackWithAddend() {
- std::vector<uint8_t> packed;
- // Identifier.
- packed.push_back('A');
- packed.push_back('P');
- packed.push_back('S');
- packed.push_back('2');
- // Relocation count
- packed.push_back(6U);
- // base relocation = 0xd1cdfffc -> fc, ff, b7, 8e, 0d
- packed.push_back(0xfc);
- packed.push_back(0xff);
- packed.push_back(0xb7);
- packed.push_back(0x8e);
- if (sizeof(typename ELF::Addr) == 8) {
- // positive for uint64_t
- packed.push_back(0x0d);
- } else {
- // negative for uint32_t
- packed.push_back(0x7d);
- }
- // group 1
- packed.push_back(0x03); // size
- packed.push_back(0x0b); // flags
- packed.push_back(0x04); // r_offset_delta
- packed.push_back(0x01); // r_info
- // group 1 - addend 1: 10024 = 0xa8, 0xce, 0x80
- packed.push_back(0xa8);
- packed.push_back(0xce);
- packed.push_back(0x00);
- // group 1 - addend 2: -12 = 0x74
- packed.push_back(0x74);
- // group 1 - addend 3: +12 = 0x0c
- packed.push_back(0x0c);
-
- // group 2
- packed.push_back(0x03); // size
- packed.push_back(0x0b); // flags
- packed.push_back(0x08); // r_offset_delta
- packed.push_back(0x01); // r_info
-
- // group 2 - addend 1: -24 = 0x68
- packed.push_back(0x68);
- // group 2 - addend 2: -24 = 0x68
- packed.push_back(0x68);
- // group 2 - addend 3: -24 = 0x68
- packed.push_back(0x68);
-
- std::vector<typename ELF::Rela> relocations;
-
- RelocationPacker<ELF> packer;
-
- relocations.clear();
- packer.UnpackRelocations(packed, &relocations);
-
- EXPECT_EQ(6U, relocations.size());
- size_t ndx = 0;
- // Initial relocation.
- EXPECT_TRUE(CheckRelocation<ELF>(0xd1ce0000, 0x01, 10024, relocations[ndx++]));
- // Two more relocations, 4 byte offset deltas, 12 byte addend deltas.
- EXPECT_TRUE(CheckRelocation<ELF>(0xd1ce0004, 0x01, 10012, relocations[ndx++]));
- EXPECT_TRUE(CheckRelocation<ELF>(0xd1ce0008, 0x01, 10024, relocations[ndx++]));
- // Three more relocations, 8 byte offset deltas, -24 byte addend deltas.
- EXPECT_TRUE(CheckRelocation<ELF>(0xd1ce0010, 0x01, 10000, relocations[ndx++]));
- EXPECT_TRUE(CheckRelocation<ELF>(0xd1ce0018, 0x01, 9976, relocations[ndx++]));
- EXPECT_TRUE(CheckRelocation<ELF>(0xd1ce0020, 0x01, 9952, relocations[ndx++]));
-
- EXPECT_EQ(ndx, relocations.size());
-}
-
-TEST(Packer, UnpackWithAddend) {
- DoUnpackWithAddend<ELF32_traits>();
- DoUnpackWithAddend<ELF64_traits>();
-}
-
-} // namespace relocation_packer
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