summaryrefslogtreecommitdiff
path: root/libunwindstack/tests/JitDebugTest.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'libunwindstack/tests/JitDebugTest.cpp')
-rw-r--r--libunwindstack/tests/JitDebugTest.cpp95
1 files changed, 58 insertions, 37 deletions
diff --git a/libunwindstack/tests/JitDebugTest.cpp b/libunwindstack/tests/JitDebugTest.cpp
index b1ca111cbc..438194a9fb 100644
--- a/libunwindstack/tests/JitDebugTest.cpp
+++ b/libunwindstack/tests/JitDebugTest.cpp
@@ -46,8 +46,7 @@ class JitDebugTest : public ::testing::Test {
}
void Init(ArchEnum arch) {
- jit_debug_.reset(new JitDebug(process_memory_));
- jit_debug_->SetArch(arch);
+ jit_debug_ = JitDebug<Elf>::Create(arch, process_memory_);
maps_.reset(
new BufferMaps("1000-4000 ---s 00000000 00:00 0 /fake/elf1\n"
@@ -62,6 +61,12 @@ class JitDebugTest : public ::testing::Test {
"200000-210000 rw-p 0002000 00:00 0 /fake/elf4\n"));
ASSERT_TRUE(maps_->Parse());
+ // Ensure all memory of the ELF file is initialized,
+ // otherwise reads within it may fail.
+ for (uint64_t addr = 0x4000; addr < 0x6000; addr += 8) {
+ memory_->SetData64(addr, 0);
+ }
+
MapInfo* map_info = maps_->Get(3);
ASSERT_TRUE(map_info != nullptr);
CreateFakeElf(map_info);
@@ -94,7 +99,7 @@ class JitDebugTest : public ::testing::Test {
ehdr.e_shstrndx = 1;
ehdr.e_shoff = sh_offset;
ehdr.e_shentsize = sizeof(ShdrType);
- ehdr.e_shnum = 3;
+ ehdr.e_shnum = 4;
memory_->SetMemory(offset, &ehdr, sizeof(ehdr));
ShdrType shdr;
@@ -110,6 +115,7 @@ class JitDebugTest : public ::testing::Test {
shdr.sh_size = 0x100;
memory_->SetMemory(offset + sh_offset, &shdr, sizeof(shdr));
memory_->SetMemory(offset + 0x500, ".debug_frame");
+ memory_->SetMemory(offset + 0x550, ".text");
sh_offset += sizeof(shdr);
memset(&shdr, 0, sizeof(shdr));
@@ -120,6 +126,15 @@ class JitDebugTest : public ::testing::Test {
shdr.sh_size = 0x200;
memory_->SetMemory(offset + sh_offset, &shdr, sizeof(shdr));
+ sh_offset += sizeof(shdr);
+ memset(&shdr, 0, sizeof(shdr));
+ shdr.sh_type = SHT_NOBITS;
+ shdr.sh_name = 0x50;
+ shdr.sh_addr = pc;
+ shdr.sh_offset = 0;
+ shdr.sh_size = size;
+ memory_->SetMemory(offset + sh_offset, &shdr, sizeof(shdr));
+
// Now add a single cie/fde.
uint64_t dwarf_offset = offset + 0x600;
if (class_type == ELFCLASS32) {
@@ -168,7 +183,7 @@ class JitDebugTest : public ::testing::Test {
std::shared_ptr<Memory> process_memory_;
MemoryFake* memory_;
- std::unique_ptr<JitDebug> jit_debug_;
+ std::unique_ptr<JitDebug<Elf>> jit_debug_;
std::unique_ptr<BufferMaps> maps_;
};
@@ -238,20 +253,20 @@ void JitDebugTest::WriteEntry64(uint64_t addr, uint64_t prev, uint64_t next, uin
}
TEST_F(JitDebugTest, get_elf_invalid) {
- Elf* elf = jit_debug_->GetElf(maps_.get(), 0x1500);
+ Elf* elf = jit_debug_->Get(maps_.get(), 0x1500);
ASSERT_TRUE(elf == nullptr);
}
TEST_F(JitDebugTest, get_elf_no_global_variable) {
maps_.reset(new BufferMaps(""));
- Elf* elf = jit_debug_->GetElf(maps_.get(), 0x1500);
+ Elf* elf = jit_debug_->Get(maps_.get(), 0x1500);
ASSERT_TRUE(elf == nullptr);
}
TEST_F(JitDebugTest, get_elf_no_valid_descriptor_in_memory) {
CreateElf<Elf32_Ehdr, Elf32_Shdr>(0x4000, ELFCLASS32, EM_ARM, 0x1500, 0x200);
- Elf* elf = jit_debug_->GetElf(maps_.get(), 0x1500);
+ Elf* elf = jit_debug_->Get(maps_.get(), 0x1500);
ASSERT_TRUE(elf == nullptr);
}
@@ -260,7 +275,7 @@ TEST_F(JitDebugTest, get_elf_no_valid_code_entry) {
WriteDescriptor32(0xf800, 0x200000);
- Elf* elf = jit_debug_->GetElf(maps_.get(), 0x1500);
+ Elf* elf = jit_debug_->Get(maps_.get(), 0x1500);
ASSERT_TRUE(elf == nullptr);
}
@@ -269,7 +284,7 @@ TEST_F(JitDebugTest, get_elf_invalid_descriptor_first_entry) {
WriteDescriptor32(0xf800, 0);
- Elf* elf = jit_debug_->GetElf(maps_.get(), 0x1500);
+ Elf* elf = jit_debug_->Get(maps_.get(), 0x1500);
ASSERT_TRUE(elf == nullptr);
}
@@ -280,7 +295,7 @@ TEST_F(JitDebugTest, get_elf_invalid_descriptor_version) {
// Set the version to an invalid value.
memory_->SetData32(0xf800, 2);
- Elf* elf = jit_debug_->GetElf(maps_.get(), 0x1500);
+ Elf* elf = jit_debug_->Get(maps_.get(), 0x1500);
ASSERT_TRUE(elf == nullptr);
}
@@ -290,12 +305,18 @@ TEST_F(JitDebugTest, get_elf_32) {
WriteDescriptor32(0xf800, 0x200000);
WriteEntry32Pad(0x200000, 0, 0, 0x4000, 0x1000);
- Elf* elf = jit_debug_->GetElf(maps_.get(), 0x1500);
+ Elf* elf = jit_debug_->Get(maps_.get(), 0x1500);
ASSERT_TRUE(elf != nullptr);
+ uint64_t text_addr;
+ uint64_t text_size;
+ ASSERT_TRUE(elf->GetTextRange(&text_addr, &text_size));
+ ASSERT_EQ(text_addr, 0x1500u);
+ ASSERT_EQ(text_size, 0x200u);
// Clear the memory and verify all of the data is cached.
memory_->Clear();
- Elf* elf2 = jit_debug_->GetElf(maps_.get(), 0x1500);
+ WriteDescriptor32(0xf800, 0x200000);
+ Elf* elf2 = jit_debug_->Get(maps_.get(), 0x1500);
ASSERT_TRUE(elf2 != nullptr);
EXPECT_EQ(elf, elf2);
}
@@ -309,16 +330,15 @@ TEST_F(JitDebugTest, get_multiple_jit_debug_descriptors_valid) {
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);
+ ASSERT_TRUE(jit_debug_->Get(maps_.get(), 0x1500) != nullptr);
+ ASSERT_TRUE(jit_debug_->Get(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);
+ jit_debug_ = JitDebug<Elf>::Create(ARCH_ARM, process_memory_);
- ASSERT_TRUE(jit_debug_->GetElf(maps_.get(), 0x1500) == nullptr);
- ASSERT_TRUE(jit_debug_->GetElf(maps_.get(), 0x2000) != nullptr);
+ ASSERT_TRUE(jit_debug_->Get(maps_.get(), 0x1500) == nullptr);
+ ASSERT_TRUE(jit_debug_->Get(maps_.get(), 0x2000) != nullptr);
}
TEST_F(JitDebugTest, get_elf_x86) {
@@ -329,13 +349,14 @@ TEST_F(JitDebugTest, get_elf_x86) {
WriteDescriptor32(0xf800, 0x200000);
WriteEntry32Pack(0x200000, 0, 0, 0x4000, 0x1000);
- jit_debug_->SetArch(ARCH_X86);
- Elf* elf = jit_debug_->GetElf(maps_.get(), 0x1500);
+ jit_debug_ = JitDebug<Elf>::Create(ARCH_X86, process_memory_);
+ Elf* elf = jit_debug_->Get(maps_.get(), 0x1500);
ASSERT_TRUE(elf != nullptr);
// Clear the memory and verify all of the data is cached.
memory_->Clear();
- Elf* elf2 = jit_debug_->GetElf(maps_.get(), 0x1500);
+ WriteDescriptor32(0xf800, 0x200000);
+ Elf* elf2 = jit_debug_->Get(maps_.get(), 0x1500);
ASSERT_TRUE(elf2 != nullptr);
EXPECT_EQ(elf, elf2);
}
@@ -348,12 +369,13 @@ TEST_F(JitDebugTest, get_elf_64) {
WriteDescriptor64(0xf800, 0x200000);
WriteEntry64(0x200000, 0, 0, 0x4000, 0x1000);
- Elf* elf = jit_debug_->GetElf(maps_.get(), 0x1500);
+ Elf* elf = jit_debug_->Get(maps_.get(), 0x1500);
ASSERT_TRUE(elf != nullptr);
// Clear the memory and verify all of the data is cached.
memory_->Clear();
- Elf* elf2 = jit_debug_->GetElf(maps_.get(), 0x1500);
+ WriteDescriptor64(0xf800, 0x200000);
+ Elf* elf2 = jit_debug_->Get(maps_.get(), 0x1500);
ASSERT_TRUE(elf2 != nullptr);
EXPECT_EQ(elf, elf2);
}
@@ -366,20 +388,21 @@ TEST_F(JitDebugTest, get_elf_multiple_entries) {
WriteEntry32Pad(0x200000, 0, 0x200100, 0x4000, 0x1000);
WriteEntry32Pad(0x200100, 0x200100, 0, 0x5000, 0x1000);
- Elf* elf_2 = jit_debug_->GetElf(maps_.get(), 0x2400);
+ Elf* elf_2 = jit_debug_->Get(maps_.get(), 0x2400);
ASSERT_TRUE(elf_2 != nullptr);
- Elf* elf_1 = jit_debug_->GetElf(maps_.get(), 0x1600);
+ Elf* elf_1 = jit_debug_->Get(maps_.get(), 0x1600);
ASSERT_TRUE(elf_1 != nullptr);
// Clear the memory and verify all of the data is cached.
memory_->Clear();
- EXPECT_EQ(elf_1, jit_debug_->GetElf(maps_.get(), 0x1500));
- EXPECT_EQ(elf_1, jit_debug_->GetElf(maps_.get(), 0x16ff));
- EXPECT_EQ(elf_2, jit_debug_->GetElf(maps_.get(), 0x2300));
- EXPECT_EQ(elf_2, jit_debug_->GetElf(maps_.get(), 0x26ff));
- EXPECT_EQ(nullptr, jit_debug_->GetElf(maps_.get(), 0x1700));
- EXPECT_EQ(nullptr, jit_debug_->GetElf(maps_.get(), 0x2700));
+ WriteDescriptor32(0xf800, 0x200000);
+ EXPECT_EQ(elf_1, jit_debug_->Get(maps_.get(), 0x1500));
+ EXPECT_EQ(elf_1, jit_debug_->Get(maps_.get(), 0x16ff));
+ EXPECT_EQ(elf_2, jit_debug_->Get(maps_.get(), 0x2300));
+ EXPECT_EQ(elf_2, jit_debug_->Get(maps_.get(), 0x26ff));
+ EXPECT_EQ(nullptr, jit_debug_->Get(maps_.get(), 0x1700));
+ EXPECT_EQ(nullptr, jit_debug_->Get(maps_.get(), 0x2700));
}
TEST_F(JitDebugTest, get_elf_search_libs) {
@@ -390,21 +413,19 @@ TEST_F(JitDebugTest, get_elf_search_libs) {
// Only search a given named list of libs.
std::vector<std::string> libs{"libart.so"};
- jit_debug_.reset(new JitDebug(process_memory_, libs));
- jit_debug_->SetArch(ARCH_ARM);
- EXPECT_TRUE(jit_debug_->GetElf(maps_.get(), 0x1500) == nullptr);
+ jit_debug_ = JitDebug<Elf>::Create(ARCH_ARM, process_memory_, libs);
+ EXPECT_TRUE(jit_debug_->Get(maps_.get(), 0x1500) == nullptr);
// Change the name of the map that includes the value and verify this works.
MapInfo* map_info = maps_->Get(5);
map_info->name = "/system/lib/libart.so";
map_info = maps_->Get(6);
map_info->name = "/system/lib/libart.so";
- jit_debug_.reset(new JitDebug(process_memory_, libs));
+ jit_debug_ = JitDebug<Elf>::Create(ARCH_ARM, process_memory_);
// Make sure that clearing our copy of the libs doesn't affect the
// JitDebug object.
libs.clear();
- jit_debug_->SetArch(ARCH_ARM);
- EXPECT_TRUE(jit_debug_->GetElf(maps_.get(), 0x1500) != nullptr);
+ EXPECT_TRUE(jit_debug_->Get(maps_.get(), 0x1500) != nullptr);
}
} // namespace unwindstack
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-18 14:05:05 +0000