diff options
| -rw-r--r-- | compiler/linker/arm/relative_patcher_thumb2_test.cc | 33 | ||||
| -rw-r--r-- | compiler/linker/arm64/relative_patcher_arm64_test.cc | 70 | ||||
| -rw-r--r-- | compiler/linker/mips/relative_patcher_mips32r6_test.cc | 19 | ||||
| -rw-r--r-- | compiler/linker/mips/relative_patcher_mips_test.cc | 27 | ||||
| -rw-r--r-- | compiler/linker/mips64/relative_patcher_mips64_test.cc | 19 | ||||
| -rw-r--r-- | compiler/linker/multi_oat_relative_patcher.h | 2 | ||||
| -rw-r--r-- | compiler/linker/multi_oat_relative_patcher_test.cc | 2 | ||||
| -rw-r--r-- | compiler/linker/relative_patcher_test.h | 10 | ||||
| -rw-r--r-- | compiler/linker/x86/relative_patcher_x86_test.cc | 13 | ||||
| -rw-r--r-- | compiler/linker/x86_64/relative_patcher_x86_64_test.cc | 13 |
10 files changed, 107 insertions, 101 deletions
diff --git a/compiler/linker/arm/relative_patcher_thumb2_test.cc b/compiler/linker/arm/relative_patcher_thumb2_test.cc index af5fa40dc1..52e27afcf5 100644 --- a/compiler/linker/arm/relative_patcher_thumb2_test.cc +++ b/compiler/linker/arm/relative_patcher_thumb2_test.cc @@ -222,7 +222,7 @@ class Thumb2RelativePatcherTest : public RelativePatcherTest { return result; } - void TestDexCacheReference(uint32_t dex_cache_arrays_begin, uint32_t element_offset); + void TestStringBssEntry(uint32_t bss_begin, uint32_t string_entry_offset); void TestStringReference(uint32_t string_offset); void CheckPcRelativePatch(const ArrayRef<const LinkerPatch>& patches, uint32_t target_offset); @@ -290,15 +290,16 @@ const ArrayRef<const uint8_t> Thumb2RelativePatcherTest::kUnpatchedPcRelativeCod kUnpatchedPcRelativeRawCode); const uint32_t Thumb2RelativePatcherTest::kPcInsnOffset = 8u; -void Thumb2RelativePatcherTest::TestDexCacheReference(uint32_t dex_cache_arrays_begin, - uint32_t element_offset) { - dex_cache_arrays_begin_ = dex_cache_arrays_begin; +void Thumb2RelativePatcherTest::TestStringBssEntry(uint32_t bss_begin, + uint32_t string_entry_offset) { + constexpr uint32_t kStringIndex = 1u; + string_index_to_offset_map_.Put(kStringIndex, string_entry_offset); + bss_begin_ = bss_begin; const LinkerPatch patches[] = { - LinkerPatch::DexCacheArrayPatch(0u, nullptr, kPcInsnOffset, element_offset), - LinkerPatch::DexCacheArrayPatch(4u, nullptr, kPcInsnOffset, element_offset), + LinkerPatch::StringBssEntryPatch(0u, nullptr, kPcInsnOffset, kStringIndex), + LinkerPatch::StringBssEntryPatch(4u, nullptr, kPcInsnOffset, kStringIndex), }; - CheckPcRelativePatch(ArrayRef<const LinkerPatch>(patches), - dex_cache_arrays_begin_ + element_offset); + CheckPcRelativePatch(ArrayRef<const LinkerPatch>(patches), bss_begin_ + string_entry_offset); } void Thumb2RelativePatcherTest::TestStringReference(uint32_t string_offset) { @@ -534,23 +535,23 @@ TEST_F(Thumb2RelativePatcherTest, CallOtherJustTooFarBefore) { EXPECT_TRUE(CheckThunk(thunk_offset)); } -TEST_F(Thumb2RelativePatcherTest, DexCacheReference1) { - TestDexCacheReference(0x00ff0000u, 0x00fcu); +TEST_F(Thumb2RelativePatcherTest, StringBssEntry1) { + TestStringBssEntry(0x00ff0000u, 0x00fcu); ASSERT_LT(GetMethodOffset(1u), 0xfcu); } -TEST_F(Thumb2RelativePatcherTest, DexCacheReference2) { - TestDexCacheReference(0x02ff0000u, 0x05fcu); +TEST_F(Thumb2RelativePatcherTest, StringBssEntry2) { + TestStringBssEntry(0x02ff0000u, 0x05fcu); ASSERT_LT(GetMethodOffset(1u), 0xfcu); } -TEST_F(Thumb2RelativePatcherTest, DexCacheReference3) { - TestDexCacheReference(0x08ff0000u, 0x08fcu); +TEST_F(Thumb2RelativePatcherTest, StringBssEntry3) { + TestStringBssEntry(0x08ff0000u, 0x08fcu); ASSERT_LT(GetMethodOffset(1u), 0xfcu); } -TEST_F(Thumb2RelativePatcherTest, DexCacheReference4) { - TestDexCacheReference(0xd0ff0000u, 0x60fcu); +TEST_F(Thumb2RelativePatcherTest, StringBssEntry4) { + TestStringBssEntry(0xd0ff0000u, 0x60fcu); ASSERT_LT(GetMethodOffset(1u), 0xfcu); } diff --git a/compiler/linker/arm64/relative_patcher_arm64_test.cc b/compiler/linker/arm64/relative_patcher_arm64_test.cc index b6549eefb3..5d02d449fe 100644 --- a/compiler/linker/arm64/relative_patcher_arm64_test.cc +++ b/compiler/linker/arm64/relative_patcher_arm64_test.cc @@ -249,12 +249,14 @@ class Arm64RelativePatcherTest : public RelativePatcherTest { return GenNopsAndAdrpAndUse(num_nops, method_offset, target_offset, kLdrWInsn); } - void TestNopsAdrpLdr(size_t num_nops, uint32_t dex_cache_arrays_begin, uint32_t element_offset) { - dex_cache_arrays_begin_ = dex_cache_arrays_begin; + void TestNopsAdrpLdr(size_t num_nops, uint32_t bss_begin, uint32_t string_entry_offset) { + constexpr uint32_t kStringIndex = 1u; + string_index_to_offset_map_.Put(kStringIndex, string_entry_offset); + bss_begin_ = bss_begin; auto code = GenNopsAndAdrpLdr(num_nops, 0u, 0u); // Unpatched. const LinkerPatch patches[] = { - LinkerPatch::DexCacheArrayPatch(num_nops * 4u , nullptr, num_nops * 4u, element_offset), - LinkerPatch::DexCacheArrayPatch(num_nops * 4u + 4u, nullptr, num_nops * 4u, element_offset), + LinkerPatch::StringBssEntryPatch(num_nops * 4u , nullptr, num_nops * 4u, kStringIndex), + LinkerPatch::StringBssEntryPatch(num_nops * 4u + 4u, nullptr, num_nops * 4u, kStringIndex), }; AddCompiledMethod(MethodRef(1u), ArrayRef<const uint8_t>(code), @@ -262,7 +264,7 @@ class Arm64RelativePatcherTest : public RelativePatcherTest { Link(); uint32_t method1_offset = GetMethodOffset(1u); - uint32_t target_offset = dex_cache_arrays_begin_ + element_offset; + uint32_t target_offset = bss_begin_ + string_entry_offset; auto expected_code = GenNopsAndAdrpLdr(num_nops, method1_offset, target_offset); EXPECT_TRUE(CheckLinkedMethod(MethodRef(1u), ArrayRef<const uint8_t>(expected_code))); } @@ -293,14 +295,16 @@ class Arm64RelativePatcherTest : public RelativePatcherTest { void PrepareNopsAdrpInsn2Ldr(size_t num_nops, uint32_t insn2, - uint32_t dex_cache_arrays_begin, - uint32_t element_offset) { - dex_cache_arrays_begin_ = dex_cache_arrays_begin; + uint32_t bss_begin, + uint32_t string_entry_offset) { + constexpr uint32_t kStringIndex = 1u; + string_index_to_offset_map_.Put(kStringIndex, string_entry_offset); + bss_begin_ = bss_begin; auto code = GenNopsAndAdrpLdr(num_nops, 0u, 0u); // Unpatched. InsertInsn(&code, num_nops * 4u + 4u, insn2); const LinkerPatch patches[] = { - LinkerPatch::DexCacheArrayPatch(num_nops * 4u , nullptr, num_nops * 4u, element_offset), - LinkerPatch::DexCacheArrayPatch(num_nops * 4u + 8u, nullptr, num_nops * 4u, element_offset), + LinkerPatch::StringBssEntryPatch(num_nops * 4u , nullptr, num_nops * 4u, kStringIndex), + LinkerPatch::StringBssEntryPatch(num_nops * 4u + 8u, nullptr, num_nops * 4u, kStringIndex), }; AddCompiledMethod(MethodRef(1u), ArrayRef<const uint8_t>(code), @@ -376,15 +380,15 @@ class Arm64RelativePatcherTest : public RelativePatcherTest { void TestAdrpInsn2Ldr(uint32_t insn2, uint32_t adrp_offset, bool has_thunk, - uint32_t dex_cache_arrays_begin, - uint32_t element_offset) { + uint32_t bss_begin, + uint32_t string_entry_offset) { uint32_t method1_offset = kTrampolineSize + CodeAlignmentSize(kTrampolineSize) + sizeof(OatQuickMethodHeader); ASSERT_LT(method1_offset, adrp_offset); CHECK_ALIGNED(adrp_offset, 4u); uint32_t num_nops = (adrp_offset - method1_offset) / 4u; - PrepareNopsAdrpInsn2Ldr(num_nops, insn2, dex_cache_arrays_begin, element_offset); - uint32_t target_offset = dex_cache_arrays_begin_ + element_offset; + PrepareNopsAdrpInsn2Ldr(num_nops, insn2, bss_begin, string_entry_offset); + uint32_t target_offset = bss_begin_ + string_entry_offset; if (has_thunk) { TestNopsAdrpInsn2AndUseHasThunk(num_nops, insn2, target_offset, kLdrWInsn); } else { @@ -395,33 +399,33 @@ class Arm64RelativePatcherTest : public RelativePatcherTest { void TestAdrpLdurLdr(uint32_t adrp_offset, bool has_thunk, - uint32_t dex_cache_arrays_begin, - uint32_t element_offset) { - TestAdrpInsn2Ldr(kLdurInsn, adrp_offset, has_thunk, dex_cache_arrays_begin, element_offset); + uint32_t bss_begin, + uint32_t string_entry_offset) { + TestAdrpInsn2Ldr(kLdurInsn, adrp_offset, has_thunk, bss_begin, string_entry_offset); } void TestAdrpLdrPcRelLdr(uint32_t pcrel_ldr_insn, int32_t pcrel_disp, uint32_t adrp_offset, bool has_thunk, - uint32_t dex_cache_arrays_begin, - uint32_t element_offset) { + uint32_t bss_begin, + uint32_t string_entry_offset) { ASSERT_LT(pcrel_disp, 0x100000); ASSERT_GE(pcrel_disp, -0x100000); ASSERT_EQ(pcrel_disp & 0x3, 0); uint32_t insn2 = pcrel_ldr_insn | (((static_cast<uint32_t>(pcrel_disp) >> 2) & 0x7ffffu) << 5); - TestAdrpInsn2Ldr(insn2, adrp_offset, has_thunk, dex_cache_arrays_begin, element_offset); + TestAdrpInsn2Ldr(insn2, adrp_offset, has_thunk, bss_begin, string_entry_offset); } void TestAdrpLdrSpRelLdr(uint32_t sprel_ldr_insn, uint32_t sprel_disp_in_load_units, uint32_t adrp_offset, bool has_thunk, - uint32_t dex_cache_arrays_begin, - uint32_t element_offset) { + uint32_t bss_begin, + uint32_t string_entry_offset) { ASSERT_LT(sprel_disp_in_load_units, 0x1000u); uint32_t insn2 = sprel_ldr_insn | ((sprel_disp_in_load_units & 0xfffu) << 10); - TestAdrpInsn2Ldr(insn2, adrp_offset, has_thunk, dex_cache_arrays_begin, element_offset); + TestAdrpInsn2Ldr(insn2, adrp_offset, has_thunk, bss_begin, string_entry_offset); } void TestAdrpInsn2Add(uint32_t insn2, @@ -726,19 +730,19 @@ TEST_F(Arm64RelativePatcherTestDefault, CallOtherJustTooFarBefore) { EXPECT_TRUE(CheckThunk(thunk_offset)); } -TEST_F(Arm64RelativePatcherTestDefault, DexCacheReference1) { +TEST_F(Arm64RelativePatcherTestDefault, StringBssEntry1) { TestNopsAdrpLdr(0u, 0x12345678u, 0x1234u); } -TEST_F(Arm64RelativePatcherTestDefault, DexCacheReference2) { +TEST_F(Arm64RelativePatcherTestDefault, StringBssEntry2) { TestNopsAdrpLdr(0u, -0x12345678u, 0x4444u); } -TEST_F(Arm64RelativePatcherTestDefault, DexCacheReference3) { +TEST_F(Arm64RelativePatcherTestDefault, StringBssEntry3) { TestNopsAdrpLdr(0u, 0x12345000u, 0x3ffcu); } -TEST_F(Arm64RelativePatcherTestDefault, DexCacheReference4) { +TEST_F(Arm64RelativePatcherTestDefault, StringBssEntry4) { TestNopsAdrpLdr(0u, 0x12345000u, 0x4000u); } @@ -763,7 +767,7 @@ TEST_F(Arm64RelativePatcherTestDefault, StringReference4) { test(0xff4u, disp2) test(0xff8u, disp2) test(0xffcu, disp2) test(0x1000u, disp2) #define DEFAULT_LDUR_LDR_TEST(adrp_offset, disp) \ - TEST_F(Arm64RelativePatcherTestDefault, DexCacheReference ## adrp_offset ## Ldur ## disp) { \ + TEST_F(Arm64RelativePatcherTestDefault, StringBssEntry ## adrp_offset ## Ldur ## disp) { \ bool has_thunk = ((adrp_offset) == 0xff8u || (adrp_offset) == 0xffcu); \ TestAdrpLdurLdr(adrp_offset, has_thunk, 0x12345678u, disp); \ } @@ -771,7 +775,7 @@ TEST_F(Arm64RelativePatcherTestDefault, StringReference4) { TEST_FOR_OFFSETS(DEFAULT_LDUR_LDR_TEST, 0x1234, 0x1238) #define DENVER64_LDUR_LDR_TEST(adrp_offset, disp) \ - TEST_F(Arm64RelativePatcherTestDenver64, DexCacheReference ## adrp_offset ## Ldur ## disp) { \ + TEST_F(Arm64RelativePatcherTestDenver64, StringBssEntry ## adrp_offset ## Ldur ## disp) { \ TestAdrpLdurLdr(adrp_offset, false, 0x12345678u, disp); \ } @@ -779,7 +783,7 @@ TEST_FOR_OFFSETS(DENVER64_LDUR_LDR_TEST, 0x1234, 0x1238) // LDR <Wt>, <label> is always aligned. We should never have to use a fixup. #define LDRW_PCREL_LDR_TEST(adrp_offset, disp) \ - TEST_F(Arm64RelativePatcherTestDefault, DexCacheReference ## adrp_offset ## WPcRel ## disp) { \ + TEST_F(Arm64RelativePatcherTestDefault, StringBssEntry ## adrp_offset ## WPcRel ## disp) { \ TestAdrpLdrPcRelLdr(kLdrWPcRelInsn, disp, adrp_offset, false, 0x12345678u, 0x1234u); \ } @@ -787,7 +791,7 @@ TEST_FOR_OFFSETS(LDRW_PCREL_LDR_TEST, 0x1234, 0x1238) // LDR <Xt>, <label> is aligned when offset + displacement is a multiple of 8. #define LDRX_PCREL_LDR_TEST(adrp_offset, disp) \ - TEST_F(Arm64RelativePatcherTestDefault, DexCacheReference ## adrp_offset ## XPcRel ## disp) { \ + TEST_F(Arm64RelativePatcherTestDefault, StringBssEntry ## adrp_offset ## XPcRel ## disp) { \ bool unaligned = !IsAligned<8u>((adrp_offset) + 4u + static_cast<uint32_t>(disp)); \ bool has_thunk = ((adrp_offset) == 0xff8u || (adrp_offset) == 0xffcu) && unaligned; \ TestAdrpLdrPcRelLdr(kLdrXPcRelInsn, disp, adrp_offset, has_thunk, 0x12345678u, 0x1234u); \ @@ -797,14 +801,14 @@ TEST_FOR_OFFSETS(LDRX_PCREL_LDR_TEST, 0x1234, 0x1238) // LDR <Wt>, [SP, #<pimm>] and LDR <Xt>, [SP, #<pimm>] are always aligned. No fixup needed. #define LDRW_SPREL_LDR_TEST(adrp_offset, disp) \ - TEST_F(Arm64RelativePatcherTestDefault, DexCacheReference ## adrp_offset ## WSpRel ## disp) { \ + TEST_F(Arm64RelativePatcherTestDefault, StringBssEntry ## adrp_offset ## WSpRel ## disp) { \ TestAdrpLdrSpRelLdr(kLdrWSpRelInsn, (disp) >> 2, adrp_offset, false, 0x12345678u, 0x1234u); \ } TEST_FOR_OFFSETS(LDRW_SPREL_LDR_TEST, 0, 4) #define LDRX_SPREL_LDR_TEST(adrp_offset, disp) \ - TEST_F(Arm64RelativePatcherTestDefault, DexCacheReference ## adrp_offset ## XSpRel ## disp) { \ + TEST_F(Arm64RelativePatcherTestDefault, StringBssEntry ## adrp_offset ## XSpRel ## disp) { \ TestAdrpLdrSpRelLdr(kLdrXSpRelInsn, (disp) >> 3, adrp_offset, false, 0x12345678u, 0x1234u); \ } diff --git a/compiler/linker/mips/relative_patcher_mips32r6_test.cc b/compiler/linker/mips/relative_patcher_mips32r6_test.cc index 474eb73e08..63ad8a58d5 100644 --- a/compiler/linker/mips/relative_patcher_mips32r6_test.cc +++ b/compiler/linker/mips/relative_patcher_mips32r6_test.cc @@ -37,7 +37,7 @@ class Mips32r6RelativePatcherTest : public RelativePatcherTest { } void CheckPcRelativePatch(const ArrayRef<const LinkerPatch>& patches, uint32_t target_offset); - void TestDexCacheReference(uint32_t dex_cache_arrays_begin, uint32_t element_offset); + void TestStringBssEntry(uint32_t bss_begin, uint32_t string_entry_offset); void TestStringReference(uint32_t string_offset); }; @@ -69,14 +69,15 @@ void Mips32r6RelativePatcherTest::CheckPcRelativePatch(const ArrayRef<const Link EXPECT_TRUE(CheckLinkedMethod(MethodRef(1u), ArrayRef<const uint8_t>(expected_code))); } -void Mips32r6RelativePatcherTest::TestDexCacheReference(uint32_t dex_cache_arrays_begin, - uint32_t element_offset) { - dex_cache_arrays_begin_ = dex_cache_arrays_begin; +void Mips32r6RelativePatcherTest::TestStringBssEntry(uint32_t bss_begin, + uint32_t string_entry_offset) { + constexpr uint32_t kStringIndex = 1u; + string_index_to_offset_map_.Put(kStringIndex, string_entry_offset); + bss_begin_ = bss_begin; LinkerPatch patches[] = { - LinkerPatch::DexCacheArrayPatch(kLiteralOffset, nullptr, kAnchorOffset, element_offset) + LinkerPatch::StringBssEntryPatch(kLiteralOffset, nullptr, kAnchorOffset, kStringIndex) }; - CheckPcRelativePatch(ArrayRef<const LinkerPatch>(patches), - dex_cache_arrays_begin_ + element_offset); + CheckPcRelativePatch(ArrayRef<const LinkerPatch>(patches), bss_begin_ + string_entry_offset); } void Mips32r6RelativePatcherTest::TestStringReference(uint32_t string_offset) { @@ -88,8 +89,8 @@ void Mips32r6RelativePatcherTest::TestStringReference(uint32_t string_offset) { CheckPcRelativePatch(ArrayRef<const LinkerPatch>(patches), string_offset); } -TEST_F(Mips32r6RelativePatcherTest, DexCacheReference) { - TestDexCacheReference(/* dex_cache_arrays_begin */ 0x12345678, /* element_offset */ 0x1234); +TEST_F(Mips32r6RelativePatcherTest, StringBssEntry) { + TestStringBssEntry(/* bss_begin */ 0x12345678, /* string_entry_offset */ 0x1234); } TEST_F(Mips32r6RelativePatcherTest, StringReference) { diff --git a/compiler/linker/mips/relative_patcher_mips_test.cc b/compiler/linker/mips/relative_patcher_mips_test.cc index b0d1294cf4..961b31266f 100644 --- a/compiler/linker/mips/relative_patcher_mips_test.cc +++ b/compiler/linker/mips/relative_patcher_mips_test.cc @@ -20,10 +20,6 @@ namespace art { namespace linker { -// We'll maximize the range of a single load instruction for dex cache array accesses -// by aligning offset -32768 with the offset of the first used element. -static constexpr uint32_t kDexCacheArrayLwOffset = 0x8000; - class MipsRelativePatcherTest : public RelativePatcherTest { public: MipsRelativePatcherTest() : RelativePatcherTest(kMips, "mips32r2") {} @@ -41,7 +37,7 @@ class MipsRelativePatcherTest : public RelativePatcherTest { } void CheckPcRelativePatch(const ArrayRef<const LinkerPatch>& patches, uint32_t target_offset); - void TestDexCacheReference(uint32_t dex_cache_arrays_begin, uint32_t element_offset); + void TestStringBssEntry(uint32_t bss_begin, uint32_t string_entry_offset); void TestStringReference(uint32_t string_offset); }; @@ -65,9 +61,7 @@ void MipsRelativePatcherTest::CheckPcRelativePatch(const ArrayRef<const LinkerPa ASSERT_TRUE(result.first); uint32_t diff = target_offset - (result.second + kAnchorOffset); - if (patches[0].GetType() == LinkerPatch::Type::kDexCacheArray) { - diff += kDexCacheArrayLwOffset; - } + CHECK_NE(patches[0].GetType(), LinkerPatch::Type::kDexCacheArray); diff += (diff & 0x8000) << 1; // Account for sign extension in addiu. const uint8_t expected_code[] = { @@ -79,14 +73,15 @@ void MipsRelativePatcherTest::CheckPcRelativePatch(const ArrayRef<const LinkerPa EXPECT_TRUE(CheckLinkedMethod(MethodRef(1u), ArrayRef<const uint8_t>(expected_code))); } -void MipsRelativePatcherTest::TestDexCacheReference(uint32_t dex_cache_arrays_begin, - uint32_t element_offset) { - dex_cache_arrays_begin_ = dex_cache_arrays_begin; +void MipsRelativePatcherTest::TestStringBssEntry(uint32_t bss_begin, + uint32_t string_entry_offset) { + constexpr uint32_t kStringIndex = 1u; + string_index_to_offset_map_.Put(kStringIndex, string_entry_offset); + bss_begin_ = bss_begin; LinkerPatch patches[] = { - LinkerPatch::DexCacheArrayPatch(kLiteralOffset, nullptr, kAnchorOffset, element_offset) + LinkerPatch::StringBssEntryPatch(kLiteralOffset, nullptr, kAnchorOffset, kStringIndex) }; - CheckPcRelativePatch(ArrayRef<const LinkerPatch>(patches), - dex_cache_arrays_begin_ + element_offset); + CheckPcRelativePatch(ArrayRef<const LinkerPatch>(patches), bss_begin_ + string_entry_offset); } void MipsRelativePatcherTest::TestStringReference(uint32_t string_offset) { @@ -98,8 +93,8 @@ void MipsRelativePatcherTest::TestStringReference(uint32_t string_offset) { CheckPcRelativePatch(ArrayRef<const LinkerPatch>(patches), string_offset); } -TEST_F(MipsRelativePatcherTest, DexCacheReference) { - TestDexCacheReference(/* dex_cache_arrays_begin */ 0x12345678, /* element_offset */ 0x1234); +TEST_F(MipsRelativePatcherTest, StringBssEntry) { + TestStringBssEntry(/* bss_begin */ 0x12345678, /* string_entry_offset */ 0x1234); } TEST_F(MipsRelativePatcherTest, StringReference) { diff --git a/compiler/linker/mips64/relative_patcher_mips64_test.cc b/compiler/linker/mips64/relative_patcher_mips64_test.cc index c3170584e4..9c9e24a96e 100644 --- a/compiler/linker/mips64/relative_patcher_mips64_test.cc +++ b/compiler/linker/mips64/relative_patcher_mips64_test.cc @@ -39,7 +39,7 @@ class Mips64RelativePatcherTest : public RelativePatcherTest { } void CheckPcRelativePatch(const ArrayRef<const LinkerPatch>& patches, uint32_t target_offset); - void TestDexCacheReference(uint32_t dex_cache_arrays_begin, uint32_t element_offset); + void TestStringBssEntry(uint32_t bss_begin, uint32_t string_entry_offset); void TestStringReference(uint32_t string_offset); }; @@ -76,18 +76,19 @@ void Mips64RelativePatcherTest::CheckPcRelativePatch(const ArrayRef<const Linker EXPECT_TRUE(CheckLinkedMethod(MethodRef(1u), ArrayRef<const uint8_t>(expected_code))); } -void Mips64RelativePatcherTest::TestDexCacheReference(uint32_t dex_cache_arrays_begin, - uint32_t element_offset) { - dex_cache_arrays_begin_ = dex_cache_arrays_begin; +void Mips64RelativePatcherTest::TestStringBssEntry(uint32_t bss_begin, + uint32_t string_entry_offset) { + constexpr uint32_t kStringIndex = 1u; + string_index_to_offset_map_.Put(kStringIndex, string_entry_offset); + bss_begin_ = bss_begin; LinkerPatch patches[] = { - LinkerPatch::DexCacheArrayPatch(kLiteralOffset, nullptr, kAnchorOffset, element_offset) + LinkerPatch::StringBssEntryPatch(kLiteralOffset, nullptr, kAnchorOffset, kStringIndex) }; - CheckPcRelativePatch(ArrayRef<const LinkerPatch>(patches), - dex_cache_arrays_begin_ + element_offset); + CheckPcRelativePatch(ArrayRef<const LinkerPatch>(patches), bss_begin_ + string_entry_offset); } -TEST_F(Mips64RelativePatcherTest, DexCacheReference) { - TestDexCacheReference(/* dex_cache_arrays_begin */ 0x12345678, /* element_offset */ 0x1234); +TEST_F(Mips64RelativePatcherTest, StringBssEntry) { + TestStringBssEntry(/* bss_begin */ 0x12345678, /* string_entry_offset */ 0x1234); } TEST_F(Mips64RelativePatcherTest, CallOther) { diff --git a/compiler/linker/multi_oat_relative_patcher.h b/compiler/linker/multi_oat_relative_patcher.h index 247b29017e..bdc1ee1d27 100644 --- a/compiler/linker/multi_oat_relative_patcher.h +++ b/compiler/linker/multi_oat_relative_patcher.h @@ -102,7 +102,7 @@ class MultiOatRelativePatcher FINAL { relative_patcher_->PatchCall(code, literal_offset, patch_offset, target_offset); } - // Wrapper around RelativePatcher::PatchDexCacheReference(), doing offset adjustment. + // Wrapper around RelativePatcher::PatchPcRelativeReference(), doing offset adjustment. void PatchPcRelativeReference(std::vector<uint8_t>* code, const LinkerPatch& patch, uint32_t patch_offset, diff --git a/compiler/linker/multi_oat_relative_patcher_test.cc b/compiler/linker/multi_oat_relative_patcher_test.cc index 951588a857..615b2b97be 100644 --- a/compiler/linker/multi_oat_relative_patcher_test.cc +++ b/compiler/linker/multi_oat_relative_patcher_test.cc @@ -282,7 +282,7 @@ TEST_F(MultiOatRelativePatcherTest, Patch) { uint32_t method2_patch_offset = 0x7654u; uint32_t method2_target_offset = 0xccccu; LinkerPatch method2_patch = - LinkerPatch::DexCacheArrayPatch(method2_literal_offset, nullptr, 0u, 1234u); + LinkerPatch::StringBssEntryPatch(method2_literal_offset, nullptr, 0u, 1u); patcher_.PatchPcRelativeReference( &code, method2_patch, method2_patch_offset, method2_target_offset); DCHECK_EQ(method2_literal_offset, mock_->last_literal_offset_); diff --git a/compiler/linker/relative_patcher_test.h b/compiler/linker/relative_patcher_test.h index d9a87a0cfd..bff68080c6 100644 --- a/compiler/linker/relative_patcher_test.h +++ b/compiler/linker/relative_patcher_test.h @@ -31,6 +31,7 @@ #include "method_reference.h" #include "oat.h" #include "oat_quick_method_header.h" +#include "string_reference.h" #include "vector_output_stream.h" namespace art { @@ -61,7 +62,7 @@ class RelativePatcherTest : public testing::Test { features_(InstructionSetFeatures::FromVariant(instruction_set, variant, &error_msg_)), method_offset_map_(), patcher_(RelativePatcher::Create(instruction_set, features_.get(), &method_offset_map_)), - dex_cache_arrays_begin_(0u), + bss_begin_(0u), compiled_method_refs_(), compiled_methods_(), patched_code_(), @@ -157,8 +158,9 @@ class RelativePatcherTest : public testing::Test { result.first ? result.second : kTrampolineOffset + compiled_method->CodeDelta(); patcher_->PatchCall(&patched_code_, patch.LiteralOffset(), offset + patch.LiteralOffset(), target_offset); - } else if (patch.GetType() == LinkerPatch::Type::kDexCacheArray) { - uint32_t target_offset = dex_cache_arrays_begin_ + patch.TargetDexCacheElementOffset(); + } else if (patch.GetType() == LinkerPatch::Type::kStringBssEntry) { + uint32_t target_offset = + bss_begin_ + string_index_to_offset_map_.Get(patch.TargetStringIndex().index_); patcher_->PatchPcRelativeReference(&patched_code_, patch, offset + patch.LiteralOffset(), @@ -276,7 +278,7 @@ class RelativePatcherTest : public testing::Test { std::unique_ptr<const InstructionSetFeatures> features_; MethodOffsetMap method_offset_map_; std::unique_ptr<RelativePatcher> patcher_; - uint32_t dex_cache_arrays_begin_; + uint32_t bss_begin_; SafeMap<uint32_t, uint32_t> string_index_to_offset_map_; std::vector<MethodReference> compiled_method_refs_; std::vector<std::unique_ptr<CompiledMethod>> compiled_methods_; diff --git a/compiler/linker/x86/relative_patcher_x86_test.cc b/compiler/linker/x86/relative_patcher_x86_test.cc index 2a44b7990e..0bd9de8e15 100644 --- a/compiler/linker/x86/relative_patcher_x86_test.cc +++ b/compiler/linker/x86/relative_patcher_x86_test.cc @@ -107,9 +107,11 @@ TEST_F(X86RelativePatcherTest, CallTrampoline) { EXPECT_TRUE(CheckLinkedMethod(MethodRef(1u), ArrayRef<const uint8_t>(expected_code))); } -TEST_F(X86RelativePatcherTest, DexCacheReference) { - dex_cache_arrays_begin_ = 0x12345678; - constexpr size_t kElementOffset = 0x1234; +TEST_F(X86RelativePatcherTest, StringBssEntry) { + bss_begin_ = 0x12345678; + constexpr size_t kStringEntryOffset = 0x1234; + constexpr uint32_t kStringIndex = 1u; + string_index_to_offset_map_.Put(kStringIndex, kStringEntryOffset); static const uint8_t raw_code[] = { 0xe8, 0x00, 0x00, 0x00, 0x00, // call +0 0x5b, // pop ebx @@ -118,15 +120,14 @@ TEST_F(X86RelativePatcherTest, DexCacheReference) { constexpr uint32_t anchor_offset = 5u; // After call +0. ArrayRef<const uint8_t> code(raw_code); LinkerPatch patches[] = { - LinkerPatch::DexCacheArrayPatch(code.size() - 4u, nullptr, anchor_offset, kElementOffset), + LinkerPatch::StringBssEntryPatch(code.size() - 4u, nullptr, anchor_offset, kStringIndex), }; AddCompiledMethod(MethodRef(1u), code, ArrayRef<const LinkerPatch>(patches)); Link(); auto result = method_offset_map_.FindMethodOffset(MethodRef(1u)); ASSERT_TRUE(result.first); - uint32_t diff = - dex_cache_arrays_begin_ + kElementOffset - (result.second + anchor_offset); + uint32_t diff = bss_begin_ + kStringEntryOffset - (result.second + anchor_offset); static const uint8_t expected_code[] = { 0xe8, 0x00, 0x00, 0x00, 0x00, // call +0 0x5b, // pop ebx diff --git a/compiler/linker/x86_64/relative_patcher_x86_64_test.cc b/compiler/linker/x86_64/relative_patcher_x86_64_test.cc index 2b46453255..6d6bb40fb4 100644 --- a/compiler/linker/x86_64/relative_patcher_x86_64_test.cc +++ b/compiler/linker/x86_64/relative_patcher_x86_64_test.cc @@ -127,19 +127,20 @@ TEST_F(X86_64RelativePatcherTest, CallTrampoline) { EXPECT_TRUE(CheckLinkedMethod(MethodRef(1u), ArrayRef<const uint8_t>(expected_code))); } -TEST_F(X86_64RelativePatcherTest, DexCacheReference) { - dex_cache_arrays_begin_ = 0x12345678; - constexpr size_t kElementOffset = 0x1234; +TEST_F(X86_64RelativePatcherTest, StringBssEntry) { + bss_begin_ = 0x12345678; + constexpr size_t kStringEntryOffset = 0x1234; + constexpr uint32_t kStringIndex = 1u; + string_index_to_offset_map_.Put(kStringIndex, kStringEntryOffset); LinkerPatch patches[] = { - LinkerPatch::DexCacheArrayPatch(kDexCacheLoadCode.size() - 4u, nullptr, 0u, kElementOffset), + LinkerPatch::StringBssEntryPatch(kDexCacheLoadCode.size() - 4u, nullptr, 0u, kStringIndex), }; AddCompiledMethod(MethodRef(1u), kDexCacheLoadCode, ArrayRef<const LinkerPatch>(patches)); Link(); auto result = method_offset_map_.FindMethodOffset(MethodRef(1u)); ASSERT_TRUE(result.first); - uint32_t diff = - dex_cache_arrays_begin_ + kElementOffset - (result.second + kDexCacheLoadCode.size()); + uint32_t diff = bss_begin_ + kStringEntryOffset - (result.second + kDexCacheLoadCode.size()); static const uint8_t expected_code[] = { 0x8b, 0x05, static_cast<uint8_t>(diff), |