diff --git a/libunwindstack/Android.bp b/libunwindstack/Android.bp index 484bc7d55..9389b407c 100644 --- a/libunwindstack/Android.bp +++ b/libunwindstack/Android.bp @@ -170,6 +170,7 @@ cc_test { data: [ "tests/files/elf32.xz", "tests/files/elf64.xz", + "tests/files/offline/jit_debug_arm32/*", "tests/files/offline/jit_debug_x86_32/*", "tests/files/offline/gnu_debugdata_arm32/*", "tests/files/offline/straddle_arm32/*", diff --git a/libunwindstack/JitDebug.cpp b/libunwindstack/JitDebug.cpp index 100843931..d1dc0e659 100644 --- a/libunwindstack/JitDebug.cpp +++ b/libunwindstack/JitDebug.cpp @@ -173,7 +173,6 @@ void JitDebug::Init(Maps* maps) { initialized_ = true; std::string descriptor_name("__jit_debug_descriptor"); - uint64_t descriptor_addr = 0; for (MapInfo* info : *maps) { if (!(info->flags & PROT_EXEC) || !(info->flags & PROT_READ) || info->offset != 0) { continue; @@ -194,17 +193,16 @@ void JitDebug::Init(Maps* maps) { } Elf* elf = info->GetElf(memory_, true); + uint64_t descriptor_addr; if (elf->GetGlobalVariable(descriptor_name, &descriptor_addr)) { + // Search for the first non-zero entry. descriptor_addr += info->start; - break; + entry_addr_ = (this->*read_descriptor_func_)(descriptor_addr); + if (entry_addr_ != 0) { + break; + } } } - - if (descriptor_addr == 0) { - return; - } - - entry_addr_ = (this->*read_descriptor_func_)(descriptor_addr); } Elf* JitDebug::GetElf(Maps* maps, uint64_t pc) { diff --git a/libunwindstack/tests/JitDebugTest.cpp b/libunwindstack/tests/JitDebugTest.cpp index 83d7a4952..1a5098916 100644 --- a/libunwindstack/tests/JitDebugTest.cpp +++ b/libunwindstack/tests/JitDebugTest.cpp @@ -49,6 +49,7 @@ class JitDebugTest : public ::testing::Test { "a000-c000 --xp 00000000 00:00 0\n" "c000-f000 rwxp 00000000 00:00 0\n" "f000-11000 r-xp 00000000 00:00 0\n" + "12000-14000 r-xp 00000000 00:00 0\n" "100000-110000 rw-p 0000000 00:00 0\n" "200000-210000 rw-p 0000000 00:00 0\n")); ASSERT_TRUE(maps_->Parse()); @@ -72,6 +73,16 @@ class JitDebugTest : public ::testing::Test { elf->FakeSetInterface(interface); interface->FakeSetGlobalVariable("__jit_debug_descriptor", 0x800); map_info->elf = elf; + + map_info = maps_->Get(6); + ASSERT_TRUE(map_info != nullptr); + elf_memories_.push_back(new MemoryFake); + elf = new ElfFake(elf_memories_.back()); + elf->FakeSetValid(true); + interface = new ElfInterfaceFake(elf_memories_.back()); + elf->FakeSetInterface(interface); + interface->FakeSetGlobalVariable("__jit_debug_descriptor", 0x800); + map_info->elf = elf; } template @@ -293,6 +304,27 @@ TEST_F(JitDebugTest, get_elf_32) { EXPECT_EQ(elf, elf2); } +TEST_F(JitDebugTest, get_multiple_jit_debug_descriptors_valid) { + CreateElf(0x4000, ELFCLASS32, EM_ARM, 0x1500, 0x200); + CreateElf(0x5000, ELFCLASS32, EM_ARM, 0x2000, 0x300); + + WriteDescriptor32(0xf800, 0x200000); + WriteEntry32Pad(0x200000, 0, 0, 0x4000, 0x1000); + WriteDescriptor32(0x12800, 0x201000); + WriteEntry32Pad(0x201000, 0, 0, 0x5000, 0x1000); + + ASSERT_TRUE(jit_debug_->GetElf(maps_.get(), 0x1500) != nullptr); + ASSERT_TRUE(jit_debug_->GetElf(maps_.get(), 0x2000) == nullptr); + + // Now clear the descriptor entry for the first one. + WriteDescriptor32(0xf800, 0); + jit_debug_.reset(new JitDebug(process_memory_)); + jit_debug_->SetArch(ARCH_ARM); + + ASSERT_TRUE(jit_debug_->GetElf(maps_.get(), 0x1500) == nullptr); + ASSERT_TRUE(jit_debug_->GetElf(maps_.get(), 0x2000) != nullptr); +} + TEST_F(JitDebugTest, get_elf_x86) { CreateElf(0x4000, ELFCLASS32, EM_ARM, 0x1500, 0x200); diff --git a/libunwindstack/tests/UnwindOfflineTest.cpp b/libunwindstack/tests/UnwindOfflineTest.cpp index 921620444..582ac181b 100644 --- a/libunwindstack/tests/UnwindOfflineTest.cpp +++ b/libunwindstack/tests/UnwindOfflineTest.cpp @@ -406,4 +406,223 @@ TEST(UnwindOfflineTest, jit_debug_x86_32) { frame_info); } +TEST(UnwindOfflineTest, jit_debug_arm32) { + std::string dir(TestGetFileDirectory() + "offline/jit_debug_arm32/"); + + MemoryOfflineParts* memory = new MemoryOfflineParts; + AddMemory(dir + "descriptor.data", memory); + AddMemory(dir + "descriptor1.data", memory); + AddMemory(dir + "stack.data", memory); + for (size_t i = 0; i < 7; i++) { + AddMemory(dir + "entry" + std::to_string(i) + ".data", memory); + AddMemory(dir + "jit" + std::to_string(i) + ".data", memory); + } + + FILE* fp = fopen((dir + "regs.txt").c_str(), "r"); + ASSERT_TRUE(fp != nullptr); + RegsArm regs; + uint64_t reg_value; + ASSERT_EQ(1, fscanf(fp, "r0: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_R0] = reg_value; + ASSERT_EQ(1, fscanf(fp, "r1: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_R1] = reg_value; + ASSERT_EQ(1, fscanf(fp, "r2: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_R2] = reg_value; + ASSERT_EQ(1, fscanf(fp, "r3: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_R3] = reg_value; + ASSERT_EQ(1, fscanf(fp, "r4: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_R4] = reg_value; + ASSERT_EQ(1, fscanf(fp, "r5: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_R5] = reg_value; + ASSERT_EQ(1, fscanf(fp, "r6: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_R6] = reg_value; + ASSERT_EQ(1, fscanf(fp, "r7: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_R7] = reg_value; + ASSERT_EQ(1, fscanf(fp, "r8: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_R8] = reg_value; + ASSERT_EQ(1, fscanf(fp, "r9: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_R9] = reg_value; + ASSERT_EQ(1, fscanf(fp, "r10: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_R10] = reg_value; + ASSERT_EQ(1, fscanf(fp, "r11: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_R11] = reg_value; + ASSERT_EQ(1, fscanf(fp, "ip: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_R12] = reg_value; + ASSERT_EQ(1, fscanf(fp, "sp: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_SP] = reg_value; + ASSERT_EQ(1, fscanf(fp, "lr: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_LR] = reg_value; + ASSERT_EQ(1, fscanf(fp, "pc: %" SCNx64 "\n", ®_value)); + regs[ARM_REG_PC] = reg_value; + regs.SetFromRaw(); + fclose(fp); + + fp = fopen((dir + "maps.txt").c_str(), "r"); + ASSERT_TRUE(fp != nullptr); + // The file is guaranteed to be less than 4096 bytes. + std::vector buffer(4096); + ASSERT_NE(0U, fread(buffer.data(), 1, buffer.size(), fp)); + fclose(fp); + + BufferMaps maps(buffer.data()); + ASSERT_TRUE(maps.Parse()); + + ASSERT_EQ(ARCH_ARM, regs.Arch()); + + std::shared_ptr process_memory(memory); + + char* cwd = getcwd(nullptr, 0); + ASSERT_EQ(0, chdir(dir.c_str())); + JitDebug jit_debug(process_memory); + Unwinder unwinder(128, &maps, ®s, process_memory); + unwinder.SetJitDebug(&jit_debug, regs.Arch()); + unwinder.Unwind(); + ASSERT_EQ(0, chdir(cwd)); + free(cwd); + + std::string frame_info(DumpFrames(unwinder)); + ASSERT_EQ(76U, unwinder.NumFrames()) << "Unwind:\n" << frame_info; + EXPECT_EQ( + " #00 pc 00018a5e libarttestd.so (Java_Main_unwindInProcess+865)\n" + " #01 pc 0000212d (offset 0x2000) 137-cfi.odex (boolean Main.unwindInProcess(boolean, int, " + "boolean)+92)\n" + " #02 pc 00011cb1 anonymous:e2796000 (boolean Main.bar(boolean)+72)\n" + " #03 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" + " #04 pc 00467129 libartd.so (art_quick_invoke_stub+228)\n" + " #05 pc 000bf7a9 libartd.so " + "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+864)\n" + " #06 pc 00247833 libartd.so " + "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" + "11ShadowFrameEtPNS_6JValueE+382)\n" + " #07 pc 0022e935 libartd.so " + "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" + "6JValueEb+244)\n" + " #08 pc 0022f71d libartd.so " + "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" + "20CodeItemDataAccessorEPNS_11ShadowFrameE+128)\n" + " #09 pc 00442865 libartd.so (artQuickToInterpreterBridge+796)\n" + " #10 pc 004666ff libartd.so (art_quick_to_interpreter_bridge+30)\n" + " #11 pc 00011c31 anonymous:e2796000 (int Main.compare(Main, Main)+64)\n" + " #12 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" + " #13 pc 00467129 libartd.so (art_quick_invoke_stub+228)\n" + " #14 pc 000bf7a9 libartd.so " + "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+864)\n" + " #15 pc 00247833 libartd.so " + "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" + "11ShadowFrameEtPNS_6JValueE+382)\n" + " #16 pc 0022e935 libartd.so " + "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" + "6JValueEb+244)\n" + " #17 pc 0022f71d libartd.so " + "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" + "20CodeItemDataAccessorEPNS_11ShadowFrameE+128)\n" + " #18 pc 00442865 libartd.so (artQuickToInterpreterBridge+796)\n" + " #19 pc 004666ff libartd.so (art_quick_to_interpreter_bridge+30)\n" + " #20 pc 00011b77 anonymous:e2796000 (int Main.compare(java.lang.Object, " + "java.lang.Object)+118)\n" + " #21 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" + " #22 pc 00467129 libartd.so (art_quick_invoke_stub+228)\n" + " #23 pc 000bf7a9 libartd.so " + "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+864)\n" + " #24 pc 00247833 libartd.so " + "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" + "11ShadowFrameEtPNS_6JValueE+382)\n" + " #25 pc 0022e935 libartd.so " + "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" + "6JValueEb+244)\n" + " #26 pc 0022f71d libartd.so " + "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" + "20CodeItemDataAccessorEPNS_11ShadowFrameE+128)\n" + " #27 pc 00442865 libartd.so (artQuickToInterpreterBridge+796)\n" + " #28 pc 004666ff libartd.so (art_quick_to_interpreter_bridge+30)\n" + " #29 pc 00011a29 anonymous:e2796000 (int " + "java.util.Arrays.binarySearch0(java.lang.Object[], int, int, java.lang.Object, " + "java.util.Comparator)+304)\n" + " #30 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" + " #31 pc 0046722f libartd.so (art_quick_invoke_static_stub+226)\n" + " #32 pc 000bf7bb libartd.so " + "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+882)\n" + " #33 pc 00247833 libartd.so " + "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" + "11ShadowFrameEtPNS_6JValueE+382)\n" + " #34 pc 0022e935 libartd.so " + "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" + "6JValueEb+244)\n" + " #35 pc 0022f71d libartd.so " + "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" + "20CodeItemDataAccessorEPNS_11ShadowFrameE+128)\n" + " #36 pc 00442865 libartd.so (artQuickToInterpreterBridge+796)\n" + " #37 pc 004666ff libartd.so (art_quick_to_interpreter_bridge+30)\n" + " #38 pc 0001139b anonymous:e2796000 (boolean Main.foo()+178)\n" + " #39 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" + " #40 pc 00467129 libartd.so (art_quick_invoke_stub+228)\n" + " #41 pc 000bf7a9 libartd.so " + "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+864)\n" + " #42 pc 00247833 libartd.so " + "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" + "11ShadowFrameEtPNS_6JValueE+382)\n" + " #43 pc 0022e935 libartd.so " + "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" + "6JValueEb+244)\n" + " #44 pc 0022f71d libartd.so " + "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" + "20CodeItemDataAccessorEPNS_11ShadowFrameE+128)\n" + " #45 pc 00442865 libartd.so (artQuickToInterpreterBridge+796)\n" + " #46 pc 004666ff libartd.so (art_quick_to_interpreter_bridge+30)\n" + " #47 pc 00010aa7 anonymous:e2796000 (void Main.runPrimary()+70)\n" + " #48 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" + " #49 pc 00467129 libartd.so (art_quick_invoke_stub+228)\n" + " #50 pc 000bf7a9 libartd.so " + "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+864)\n" + " #51 pc 00247833 libartd.so " + "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" + "11ShadowFrameEtPNS_6JValueE+382)\n" + " #52 pc 0022e935 libartd.so " + "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" + "6JValueEb+244)\n" + " #53 pc 0022f71d libartd.so " + "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" + "20CodeItemDataAccessorEPNS_11ShadowFrameE+128)\n" + " #54 pc 00442865 libartd.so (artQuickToInterpreterBridge+796)\n" + " #55 pc 004666ff libartd.so (art_quick_to_interpreter_bridge+30)\n" + " #56 pc 0000ba99 anonymous:e2796000 (void Main.main(java.lang.String[])+144)\n" + " #57 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" + " #58 pc 0046722f libartd.so (art_quick_invoke_static_stub+226)\n" + " #59 pc 000bf7bb libartd.so " + "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+882)\n" + " #60 pc 00247833 libartd.so " + "(_ZN3art11interpreter34ArtInterpreterToCompiledCodeBridgeEPNS_6ThreadEPNS_9ArtMethodEPNS_" + "11ShadowFrameEtPNS_6JValueE+382)\n" + " #61 pc 0022e935 libartd.so " + "(_ZN3art11interpreterL7ExecuteEPNS_6ThreadERKNS_20CodeItemDataAccessorERNS_11ShadowFrameENS_" + "6JValueEb+244)\n" + " #62 pc 0022f71d libartd.so " + "(_ZN3art11interpreter30EnterInterpreterFromEntryPointEPNS_6ThreadERKNS_" + "20CodeItemDataAccessorEPNS_11ShadowFrameE+128)\n" + " #63 pc 00442865 libartd.so (artQuickToInterpreterBridge+796)\n" + " #64 pc 004666ff libartd.so (art_quick_to_interpreter_bridge+30)\n" + " #65 pc 00462175 libartd.so (art_quick_invoke_stub_internal+68)\n" + " #66 pc 0046722f libartd.so (art_quick_invoke_static_stub+226)\n" + " #67 pc 000bf7bb libartd.so " + "(_ZN3art9ArtMethod6InvokeEPNS_6ThreadEPjjPNS_6JValueEPKc+882)\n" + " #68 pc 003b292d libartd.so " + "(_ZN3artL18InvokeWithArgArrayERKNS_33ScopedObjectAccessAlreadyRunnableEPNS_9ArtMethodEPNS_" + "8ArgArrayEPNS_6JValueEPKc+52)\n" + " #69 pc 003b26c3 libartd.so " + "(_ZN3art17InvokeWithVarArgsERKNS_33ScopedObjectAccessAlreadyRunnableEP8_jobjectP10_" + "jmethodIDSt9__va_list+210)\n" + " #70 pc 00308411 libartd.so " + "(_ZN3art3JNI21CallStaticVoidMethodVEP7_JNIEnvP7_jclassP10_jmethodIDSt9__va_list+76)\n" + " #71 pc 000e6a9f libartd.so " + "(_ZN3art8CheckJNI11CallMethodVEPKcP7_JNIEnvP8_jobjectP7_jclassP10_jmethodIDSt9__va_listNS_" + "9Primitive4TypeENS_10InvokeTypeE+1486)\n" + " #72 pc 000e19b9 libartd.so " + "(_ZN3art8CheckJNI21CallStaticVoidMethodVEP7_JNIEnvP7_jclassP10_jmethodIDSt9__va_list+40)\n" + " #73 pc 0000159f dalvikvm32 " + "(_ZN7_JNIEnv20CallStaticVoidMethodEP7_jclassP10_jmethodIDz+30)\n" + " #74 pc 00001349 dalvikvm32 (main+896)\n" + " #75 pc 000850c9 libc.so\n", + frame_info); +} + } // namespace unwindstack diff --git a/libunwindstack/tests/files/offline/jit_debug_arm32/137-cfi.odex b/libunwindstack/tests/files/offline/jit_debug_arm32/137-cfi.odex new file mode 100644 index 000000000..35a6bc5ab Binary files /dev/null and b/libunwindstack/tests/files/offline/jit_debug_arm32/137-cfi.odex differ diff --git a/libunwindstack/tests/files/offline/jit_debug_arm32/dalvikvm32 b/libunwindstack/tests/files/offline/jit_debug_arm32/dalvikvm32 new file mode 100644 index 000000000..def299e01 Binary files /dev/null and b/libunwindstack/tests/files/offline/jit_debug_arm32/dalvikvm32 differ diff --git a/libunwindstack/tests/files/offline/jit_debug_arm32/descriptor.data b/libunwindstack/tests/files/offline/jit_debug_arm32/descriptor.data new file mode 100644 index 000000000..7b876b5fc Binary files /dev/null and b/libunwindstack/tests/files/offline/jit_debug_arm32/descriptor.data differ diff --git a/libunwindstack/tests/files/offline/jit_debug_arm32/descriptor1.data 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