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Diffstat (limited to 'libunwindstack/tests/UnwinderTest.cpp')
-rw-r--r--libunwindstack/tests/UnwinderTest.cpp345
1 files changed, 311 insertions, 34 deletions
diff --git a/libunwindstack/tests/UnwinderTest.cpp b/libunwindstack/tests/UnwinderTest.cpp
index dd33aa9d7..915f24884 100644
--- a/libunwindstack/tests/UnwinderTest.cpp
+++ b/libunwindstack/tests/UnwinderTest.cpp
@@ -37,6 +37,7 @@
#include <unwindstack/Unwinder.h>
#include "ElfFake.h"
+#include "ElfTestUtils.h"
#include "MemoryFake.h"
#include "RegsFake.h"
@@ -44,23 +45,31 @@ namespace unwindstack {
class UnwinderTest : public ::testing::Test {
protected:
- static void AddMapInfo(uint64_t start, uint64_t end, uint64_t offset, uint64_t flags,
- const char* name, Elf* elf = nullptr) {
+ static MapInfo* AddMapInfo(uint64_t start, uint64_t end, uint64_t offset, uint64_t flags,
+ const char* name, Elf* elf = nullptr) {
std::string str_name(name);
maps_->Add(start, end, offset, flags, name, static_cast<uint64_t>(-1));
+ MapInfo* map_info = maps_->Find(start);
if (elf != nullptr) {
- const auto& map_info = *--maps_->end();
map_info->elf.reset(elf);
}
+ return map_info;
}
static void SetUpTestSuite() {
maps_.reset(new Maps);
- ElfFake* elf = new ElfFake(new MemoryFake);
- ElfInterfaceFake* interface_fake = new ElfInterfaceFake(nullptr);
- interface_fake->FakeSetBuildID("FAKE");
- elf->FakeSetInterface(interface_fake);
+ memory_ = new MemoryFake;
+ process_memory_.reset(memory_);
+
+ ElfFake* elf;
+ ElfInterfaceFake* interface;
+ MapInfo* map_info;
+
+ elf = new ElfFake(new MemoryFake);
+ interface = new ElfInterfaceFake(nullptr);
+ interface->FakeSetBuildID("FAKE");
+ elf->FakeSetInterface(interface);
AddMapInfo(0x1000, 0x8000, 0, PROT_READ | PROT_WRITE, "/system/fake/libc.so", elf);
AddMapInfo(0x10000, 0x12000, 0, PROT_READ | PROT_WRITE, "[stack]");
@@ -81,19 +90,17 @@ class UnwinderTest : public ::testing::Test {
AddMapInfo(0x33000, 0x34000, 0, PROT_READ | PROT_WRITE, "/fake/compressed.so", elf);
elf = new ElfFake(new MemoryFake);
- ElfInterfaceFake* interface = new ElfInterfaceFake(nullptr);
+ interface = new ElfInterfaceFake(nullptr);
interface->FakeSetSoname("lib_fake.so");
elf->FakeSetInterface(interface);
- AddMapInfo(0x43000, 0x44000, 0x1d000, PROT_READ | PROT_WRITE, "/fake/fake.apk", elf);
- MapInfo* map_info = maps_->Find(0x43000);
- ASSERT_TRUE(map_info != nullptr);
+ map_info = AddMapInfo(0x43000, 0x44000, 0x1d000, PROT_READ | PROT_WRITE, "/fake/fake.apk", elf);
map_info->elf_start_offset = 0x1d000;
AddMapInfo(0x53000, 0x54000, 0, PROT_READ | PROT_WRITE, "/fake/fake.oat");
- AddMapInfo(0xa3000, 0xa4000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "/fake/fake.vdex");
- const auto& info = *--maps_->end();
- info->load_bias = 0;
+ map_info =
+ AddMapInfo(0xa3000, 0xa4000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "/fake/fake.vdex");
+ map_info->load_bias = 0;
elf = new ElfFake(new MemoryFake);
elf->FakeSetInterface(new ElfInterfaceFake(nullptr));
@@ -103,40 +110,76 @@ class UnwinderTest : public ::testing::Test {
elf = new ElfFake(new MemoryFake);
elf->FakeSetInterface(new ElfInterfaceFake(nullptr));
- AddMapInfo(0xa7000, 0xa8000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "/fake/fake_offset.oat",
- elf);
- const auto& info2 = *--maps_->end();
- info2->elf_offset = 0x8000;
+ map_info = AddMapInfo(0xa7000, 0xa8000, 0, PROT_READ | PROT_WRITE | PROT_EXEC,
+ "/fake/fake_offset.oat", elf);
+ map_info->elf_offset = 0x8000;
elf = new ElfFake(new MemoryFake);
elf->FakeSetInterface(new ElfInterfaceFake(nullptr));
- AddMapInfo(0xc0000, 0xc1000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "/fake/unreadable.so", elf);
- const auto& info3 = *--maps_->end();
- info3->memory_backed_elf = true;
+ map_info = AddMapInfo(0xc0000, 0xc1000, 0, PROT_READ | PROT_WRITE | PROT_EXEC,
+ "/fake/unreadable.so", elf);
+ map_info->memory_backed_elf = true;
elf = new ElfFake(new MemoryFake);
elf->FakeSetInterface(new ElfInterfaceFake(nullptr));
- AddMapInfo(0xc1000, 0xc2000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "[vdso]", elf);
- const auto& info4 = *--maps_->end();
- info4->memory_backed_elf = true;
+ map_info = AddMapInfo(0xc1000, 0xc2000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "[vdso]", elf);
+ map_info->memory_backed_elf = true;
elf = new ElfFake(new MemoryFake);
elf->FakeSetInterface(new ElfInterfaceFake(nullptr));
- AddMapInfo(0xc2000, 0xc3000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "", elf);
- const auto& info5 = *--maps_->end();
- info5->memory_backed_elf = true;
+ map_info = AddMapInfo(0xc2000, 0xc3000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "", elf);
+ map_info->memory_backed_elf = true;
elf = new ElfFake(new MemoryFake);
elf->FakeSetInterface(new ElfInterfaceFake(nullptr));
- AddMapInfo(0xc3000, 0xc4000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "/memfd:/jit-cache", elf);
- const auto& info6 = *--maps_->end();
- info6->memory_backed_elf = true;
+ map_info = AddMapInfo(0xc3000, 0xc4000, 0, PROT_READ | PROT_WRITE | PROT_EXEC,
+ "/memfd:/jit-cache", elf);
+ map_info->memory_backed_elf = true;
- AddMapInfo(0xd0000, 0xd1000, 0x1000, PROT_READ | PROT_WRITE | PROT_EXEC, "/fake/fake.apk");
- const auto& info7 = *--maps_->end();
- info7->load_bias = 0;
+ map_info =
+ AddMapInfo(0xd0000, 0xd1000, 0x1000, PROT_READ | PROT_WRITE | PROT_EXEC, "/fake/fake.apk");
+ map_info->load_bias = 0;
- process_memory_.reset(new MemoryFake);
+ elf = new ElfFake(new MemoryFake);
+ interface = new ElfInterfaceFake(nullptr);
+ elf->FakeSetInterface(interface);
+ interface->FakeSetGlobalVariable("__dex_debug_descriptor", 0x1800);
+ interface->FakeSetGlobalVariable("__jit_debug_descriptor", 0x1900);
+ interface->FakeSetDataOffset(0x1000);
+ interface->FakeSetDataVaddrStart(0x1000);
+ interface->FakeSetDataVaddrEnd(0x8000);
+ AddMapInfo(0xf0000, 0xf1000, 0, PROT_READ | PROT_WRITE | PROT_EXEC, "/fake/global.so", elf);
+ AddMapInfo(0xf1000, 0xf9000, 0x1000, PROT_READ | PROT_WRITE, "/fake/global.so");
+ // dex debug data
+ memory_->SetData32(0xf180c, 0xf3000);
+ memory_->SetData32(0xf3000, 0xf4000);
+ memory_->SetData32(0xf3004, 0xf4000);
+ memory_->SetData32(0xf3008, 0xf5000);
+ // jit debug data
+ memory_->SetData32(0xf1900, 1);
+ memory_->SetData32(0xf1904, 0);
+ memory_->SetData32(0xf1908, 0xf6000);
+ memory_->SetData32(0xf190c, 0xf6000);
+ memory_->SetData32(0xf6000, 0);
+ memory_->SetData32(0xf6004, 0);
+ memory_->SetData32(0xf6008, 0xf7000);
+ memory_->SetData32(0xf600c, 0);
+ memory_->SetData64(0xf6010, 0x1000);
+
+ elf = new ElfFake(new MemoryFake);
+ elf->FakeSetValid(false);
+ elf->FakeSetLoadBias(0x300);
+ map_info = AddMapInfo(0x100000, 0x101000, 0x1000, PROT_READ | PROT_WRITE | PROT_EXEC,
+ "/fake/jit.so", elf);
+ map_info->elf_start_offset = 0x100;
+ map_info->offset = 0x200;
+
+#if 0
+ elf = new ElfFake(new MemoryFake);
+ interface = new ElfInterfaceFake(nullptr);
+ interface->FakePushFunctionData(FunctionData("Fake0", 10));
+ AddMapInfo(0x110000, 0x111000, 0x1000, PROT_READ | PROT_WRITE | PROT_EXEC, "/fake/elf.so", elf);
+#endif
}
void SetUp() override {
@@ -147,11 +190,13 @@ class UnwinderTest : public ::testing::Test {
static std::unique_ptr<Maps> maps_;
static RegsFake regs_;
+ static MemoryFake* memory_;
static std::shared_ptr<Memory> process_memory_;
};
std::unique_ptr<Maps> UnwinderTest::maps_;
RegsFake UnwinderTest::regs_(5);
+MemoryFake* UnwinderTest::memory_;
std::shared_ptr<Memory> UnwinderTest::process_memory_(nullptr);
TEST_F(UnwinderTest, multiple_frames) {
@@ -168,6 +213,7 @@ TEST_F(UnwinderTest, multiple_frames) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(3U, unwinder.NumFrames());
@@ -233,6 +279,7 @@ TEST_F(UnwinderTest, multiple_frames_dont_resolve_names) {
unwinder.SetResolveNames(false);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(3U, unwinder.NumFrames());
@@ -293,6 +340,7 @@ TEST_F(UnwinderTest, non_zero_load_bias) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(1U, unwinder.NumFrames());
@@ -323,6 +371,7 @@ TEST_F(UnwinderTest, non_zero_elf_offset) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(1U, unwinder.NumFrames());
@@ -353,6 +402,7 @@ TEST_F(UnwinderTest, non_zero_map_offset) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(1U, unwinder.NumFrames());
@@ -384,6 +434,7 @@ TEST_F(UnwinderTest, disable_embedded_soname) {
unwinder.SetEmbeddedSoname(false);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(1U, unwinder.NumFrames());
@@ -421,6 +472,7 @@ TEST_F(UnwinderTest, no_frames_after_finished) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(1U, unwinder.NumFrames());
@@ -454,6 +506,7 @@ TEST_F(UnwinderTest, max_frames) {
Unwinder unwinder(20, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_MAX_FRAMES_EXCEEDED, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(20U, unwinder.NumFrames());
@@ -497,6 +550,7 @@ TEST_F(UnwinderTest, verify_frames_skipped) {
std::vector<std::string> skip_libs{"libunwind.so", "libanother.so"};
unwinder.Unwind(&skip_libs);
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(3U, unwinder.NumFrames());
@@ -559,6 +613,7 @@ TEST_F(UnwinderTest, sp_not_in_map) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(2U, unwinder.NumFrames());
@@ -607,6 +662,7 @@ TEST_F(UnwinderTest, pc_in_device_stops_unwind) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(1U, unwinder.NumFrames());
@@ -627,6 +683,7 @@ TEST_F(UnwinderTest, sp_in_device_stops_unwind) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(1U, unwinder.NumFrames());
@@ -642,6 +699,7 @@ TEST_F(UnwinderTest, pc_without_map) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_INVALID_MAP, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(1U, unwinder.NumFrames());
@@ -679,6 +737,7 @@ TEST_F(UnwinderTest, speculative_frame) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(3U, unwinder.NumFrames());
@@ -745,6 +804,7 @@ TEST_F(UnwinderTest, speculative_frame_removed) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_INVALID_MAP, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(2U, unwinder.NumFrames());
@@ -795,6 +855,7 @@ TEST_F(UnwinderTest, speculative_frame_not_removed_pc_bad) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(2U, unwinder.NumFrames());
@@ -843,6 +904,7 @@ TEST_F(UnwinderTest, speculative_frame_check_with_no_frames) {
std::vector<std::string> skip_names{"libanother.so"};
unwinder.Unwind(&skip_names);
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(0U, unwinder.NumFrames());
@@ -866,6 +928,7 @@ TEST_F(UnwinderTest, map_ignore_suffixes) {
std::vector<std::string> suffixes{"oat"};
unwinder.Unwind(nullptr, &suffixes);
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(2U, unwinder.NumFrames());
@@ -925,6 +988,7 @@ TEST_F(UnwinderTest, sp_pc_do_not_change) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_REPEATED_FRAME, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(3U, unwinder.NumFrames());
@@ -984,6 +1048,7 @@ TEST_F(UnwinderTest, dex_pc_in_map) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(2U, unwinder.NumFrames());
@@ -1028,6 +1093,7 @@ TEST_F(UnwinderTest, dex_pc_in_map_non_zero_offset) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(2U, unwinder.NumFrames());
@@ -1072,6 +1138,54 @@ TEST_F(UnwinderTest, dex_pc_not_in_map) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_DEX_PC_NOT_IN_MAP, unwinder.warnings());
+ EXPECT_FALSE(unwinder.elf_from_memory_not_file());
+
+ ASSERT_EQ(2U, unwinder.NumFrames());
+
+ auto* frame = &unwinder.frames()[0];
+ EXPECT_EQ(0U, frame->num);
+ EXPECT_EQ(0x50000U, frame->rel_pc);
+ EXPECT_EQ(0x50000U, frame->pc);
+ EXPECT_EQ(0x10000U, frame->sp);
+ EXPECT_EQ("", frame->function_name);
+ EXPECT_EQ(0U, frame->function_offset);
+ EXPECT_EQ("", frame->map_name);
+ EXPECT_EQ(0U, frame->map_elf_start_offset);
+ EXPECT_EQ(0U, frame->map_exact_offset);
+ EXPECT_EQ(0U, frame->map_start);
+ EXPECT_EQ(0U, frame->map_end);
+ EXPECT_EQ(0U, frame->map_load_bias);
+ EXPECT_EQ(0, frame->map_flags);
+
+ frame = &unwinder.frames()[1];
+ EXPECT_EQ(1U, frame->num);
+ EXPECT_EQ(0U, frame->rel_pc);
+ EXPECT_EQ(0x1000U, frame->pc);
+ EXPECT_EQ(0x10000U, frame->sp);
+ EXPECT_EQ("Frame0", frame->function_name);
+ EXPECT_EQ(0U, frame->function_offset);
+ EXPECT_EQ("/system/fake/libc.so", frame->map_name);
+ EXPECT_EQ(0U, frame->map_elf_start_offset);
+ EXPECT_EQ(0U, frame->map_exact_offset);
+ EXPECT_EQ(0x1000U, frame->map_start);
+ EXPECT_EQ(0x8000U, frame->map_end);
+ EXPECT_EQ(0U, frame->map_load_bias);
+ EXPECT_EQ(PROT_READ | PROT_WRITE, frame->map_flags);
+}
+
+TEST_F(UnwinderTest, dex_pc_not_in_map_valid_dex_files) {
+ ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 0));
+ regs_.set_pc(0x1000);
+ regs_.set_sp(0x10000);
+ regs_.FakeSetDexPc(0x50000);
+
+ DexFiles dex_files(process_memory_);
+ Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
+ unwinder.SetDexFiles(&dex_files, ARCH_ARM);
+ unwinder.Unwind();
+ EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_DEX_PC_NOT_IN_MAP, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(2U, unwinder.NumFrames());
@@ -1119,6 +1233,7 @@ TEST_F(UnwinderTest, dex_pc_multiple_frames) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(3U, unwinder.NumFrames());
@@ -1178,6 +1293,7 @@ TEST_F(UnwinderTest, dex_pc_max_frames) {
Unwinder unwinder(1, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_MAX_FRAMES_EXCEEDED, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(1U, unwinder.NumFrames());
@@ -1208,6 +1324,7 @@ TEST_F(UnwinderTest, elf_from_memory_not_file) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_TRUE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(1U, unwinder.NumFrames());
@@ -1238,6 +1355,7 @@ TEST_F(UnwinderTest, elf_from_memory_but_no_valid_file_with_bracket) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(1U, unwinder.NumFrames());
@@ -1268,6 +1386,7 @@ TEST_F(UnwinderTest, elf_from_memory_but_empty_filename) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(1U, unwinder.NumFrames());
@@ -1298,6 +1417,7 @@ TEST_F(UnwinderTest, elf_from_memory_but_from_memfd) {
Unwinder unwinder(64, maps_.get(), &regs_, process_memory_);
unwinder.Unwind();
EXPECT_EQ(ERROR_NONE, unwinder.LastErrorCode());
+ EXPECT_EQ(WARNING_NONE, unwinder.warnings());
EXPECT_FALSE(unwinder.elf_from_memory_not_file());
ASSERT_EQ(1U, unwinder.NumFrames());
@@ -1474,4 +1594,161 @@ TEST_F(UnwinderTest, format_frame_by_arch) {
}
}
+TEST_F(UnwinderTest, build_frame_pc_only_errors) {
+ RegsFake regs(10);
+ regs.FakeSetArch(ARCH_ARM);
+ Unwinder unwinder(10, maps_.get(), &regs, process_memory_);
+
+ FrameData frame;
+
+ // Pc not in map
+ frame = unwinder.BuildFrameFromPcOnly(0x10);
+ EXPECT_EQ(0x10U, frame.pc);
+ EXPECT_EQ(0x10U, frame.rel_pc);
+
+ // No regs set
+ unwinder.SetRegs(nullptr);
+ frame = unwinder.BuildFrameFromPcOnly(0x100310);
+ EXPECT_EQ(0x100310U, frame.pc);
+ EXPECT_EQ(0x100310U, frame.rel_pc);
+ unwinder.SetRegs(&regs);
+
+ // Invalid elf
+ frame = unwinder.BuildFrameFromPcOnly(0x100310);
+ EXPECT_EQ(0x10030eU, frame.pc);
+ EXPECT_EQ(0x60eU, frame.rel_pc);
+ EXPECT_EQ("/fake/jit.so", frame.map_name);
+ EXPECT_EQ(0x100U, frame.map_elf_start_offset);
+ EXPECT_EQ(0x200U, frame.map_exact_offset);
+ EXPECT_EQ(0x100000U, frame.map_start);
+ EXPECT_EQ(0x101000U, frame.map_end);
+ EXPECT_EQ(PROT_READ | PROT_WRITE | PROT_EXEC, frame.map_flags);
+ EXPECT_EQ(0x300U, frame.map_load_bias);
+ EXPECT_EQ("", frame.function_name);
+ EXPECT_EQ(0U, frame.function_offset);
+}
+
+TEST_F(UnwinderTest, build_frame_pc_valid_elf) {
+ RegsFake regs(10);
+ regs.FakeSetArch(ARCH_ARM);
+ Unwinder unwinder(10, maps_.get(), &regs, process_memory_);
+
+ FrameData frame;
+
+ // Valid elf, no function data.
+ frame = unwinder.BuildFrameFromPcOnly(0x1010);
+ EXPECT_EQ(0x100cU, frame.pc);
+ EXPECT_EQ(0xcU, frame.rel_pc);
+ EXPECT_EQ("/system/fake/libc.so", frame.map_name);
+ EXPECT_EQ(0U, frame.map_elf_start_offset);
+ EXPECT_EQ(0U, frame.map_exact_offset);
+ EXPECT_EQ(0x1000U, frame.map_start);
+ EXPECT_EQ(0x8000U, frame.map_end);
+ EXPECT_EQ(PROT_READ | PROT_WRITE, frame.map_flags);
+ EXPECT_EQ(0U, frame.map_load_bias);
+ EXPECT_EQ("", frame.function_name);
+ EXPECT_EQ(0U, frame.function_offset);
+
+ // Valid elf, function data present, but do not resolve.
+ ElfInterfaceFake::FakePushFunctionData(FunctionData("Frame0", 10));
+ unwinder.SetResolveNames(false);
+
+ frame = unwinder.BuildFrameFromPcOnly(0x1010);
+ EXPECT_EQ(0x100cU, frame.pc);
+ EXPECT_EQ(0xcU, frame.rel_pc);
+ EXPECT_EQ("/system/fake/libc.so", frame.map_name);
+ EXPECT_EQ(0U, frame.map_elf_start_offset);
+ EXPECT_EQ(0U, frame.map_exact_offset);
+ EXPECT_EQ(0x1000U, frame.map_start);
+ EXPECT_EQ(0x8000U, frame.map_end);
+ EXPECT_EQ(PROT_READ | PROT_WRITE, frame.map_flags);
+ EXPECT_EQ(0U, frame.map_load_bias);
+ EXPECT_EQ("", frame.function_name);
+ EXPECT_EQ(0U, frame.function_offset);
+
+ // Valid elf, function data present.
+ unwinder.SetResolveNames(true);
+
+ frame = unwinder.BuildFrameFromPcOnly(0x1010);
+ EXPECT_EQ(0x100cU, frame.pc);
+ EXPECT_EQ(0xcU, frame.rel_pc);
+ EXPECT_EQ("/system/fake/libc.so", frame.map_name);
+ EXPECT_EQ(0U, frame.map_elf_start_offset);
+ EXPECT_EQ(0U, frame.map_exact_offset);
+ EXPECT_EQ(0x1000U, frame.map_start);
+ EXPECT_EQ(0x8000U, frame.map_end);
+ EXPECT_EQ(PROT_READ | PROT_WRITE, frame.map_flags);
+ EXPECT_EQ(0U, frame.map_load_bias);
+ EXPECT_EQ("Frame0", frame.function_name);
+ EXPECT_EQ(10U, frame.function_offset);
+}
+
+TEST_F(UnwinderTest, build_frame_pc_in_jit) {
+ // Create the elf data for the jit debug information.
+ Elf32_Ehdr ehdr = {};
+ TestInitEhdr<Elf32_Ehdr>(&ehdr, ELFCLASS32, EM_ARM);
+ ehdr.e_phoff = 0x50;
+ ehdr.e_phnum = 1;
+ ehdr.e_phentsize = sizeof(Elf32_Phdr);
+ ehdr.e_shoff = 0x100;
+ ehdr.e_shstrndx = 1;
+ ehdr.e_shentsize = sizeof(Elf32_Shdr);
+ ehdr.e_shnum = 3;
+ memory_->SetMemory(0xf7000, &ehdr, sizeof(ehdr));
+
+ Elf32_Phdr phdr = {};
+ phdr.p_flags = PF_X;
+ phdr.p_type = PT_LOAD;
+ phdr.p_offset = 0x100000;
+ phdr.p_vaddr = 0x100000;
+ phdr.p_memsz = 0x1000;
+ memory_->SetMemory(0xf7050, &phdr, sizeof(phdr));
+
+ Elf32_Shdr shdr = {};
+ shdr.sh_type = SHT_NULL;
+ memory_->SetMemory(0xf7100, &shdr, sizeof(shdr));
+
+ shdr.sh_type = SHT_SYMTAB;
+ shdr.sh_link = 2;
+ shdr.sh_addr = 0x300;
+ shdr.sh_offset = 0x300;
+ shdr.sh_entsize = sizeof(Elf32_Sym);
+ shdr.sh_size = shdr.sh_entsize;
+ memory_->SetMemory(0xf7100 + sizeof(shdr), &shdr, sizeof(shdr));
+
+ memset(&shdr, 0, sizeof(shdr));
+ shdr.sh_type = SHT_STRTAB;
+ shdr.sh_name = 0x500;
+ shdr.sh_offset = 0x400;
+ shdr.sh_size = 0x100;
+ memory_->SetMemory(0xf7100 + 2 * sizeof(shdr), &shdr, sizeof(shdr));
+
+ Elf32_Sym sym = {};
+ sym.st_shndx = 2;
+ sym.st_info = STT_FUNC;
+ sym.st_value = 0x100300;
+ sym.st_size = 0x100;
+ memory_->SetMemory(0xf7300, &sym, sizeof(sym));
+ memory_->SetMemory(0xf7400, "FakeJitFunction");
+
+ RegsFake regs(10);
+ regs.FakeSetArch(ARCH_ARM);
+ JitDebug jit_debug(process_memory_);
+ Unwinder unwinder(10, maps_.get(), &regs, process_memory_);
+ unwinder.SetJitDebug(&jit_debug, ARCH_ARM);
+
+ FrameData frame = unwinder.BuildFrameFromPcOnly(0x100310);
+ EXPECT_EQ(0x10030eU, frame.pc);
+ EXPECT_EQ(0x60eU, frame.rel_pc);
+ EXPECT_EQ("/fake/jit.so", frame.map_name);
+ EXPECT_EQ(0x100U, frame.map_elf_start_offset);
+ EXPECT_EQ(0x200U, frame.map_exact_offset);
+ EXPECT_EQ(0x100000U, frame.map_start);
+ EXPECT_EQ(0x101000U, frame.map_end);
+ EXPECT_EQ(PROT_READ | PROT_WRITE | PROT_EXEC, frame.map_flags);
+ EXPECT_EQ(0U, frame.map_load_bias);
+ EXPECT_EQ("FakeJitFunction", frame.function_name);
+ EXPECT_EQ(0xeU, frame.function_offset);
+}
+
} // namespace unwindstack
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-04 01:35:39 +0000