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Diffstat (limited to 'libunwindstack/tests/ElfInterfaceTest.cpp')
-rw-r--r--libunwindstack/tests/ElfInterfaceTest.cpp173
1 files changed, 84 insertions, 89 deletions
diff --git a/libunwindstack/tests/ElfInterfaceTest.cpp b/libunwindstack/tests/ElfInterfaceTest.cpp
index 042c5fb3b..bf97e30bf 100644
--- a/libunwindstack/tests/ElfInterfaceTest.cpp
+++ b/libunwindstack/tests/ElfInterfaceTest.cpp
@@ -63,15 +63,28 @@ class ElfInterfaceTest : public ::testing::Test {
template <typename Ehdr, typename Phdr, typename Dyn, typename ElfInterfaceType>
void ManyPhdrs();
- template <typename Ehdr, typename Phdr, typename Dyn, typename ElfInterfaceType>
+ enum SonameTestEnum : uint8_t {
+ SONAME_NORMAL,
+ SONAME_DTNULL_AFTER,
+ SONAME_DTSIZE_SMALL,
+ SONAME_MISSING_MAP,
+ };
+
+ template <typename Ehdr, typename Phdr, typename Shdr, typename Dyn>
+ void SonameInit(SonameTestEnum test_type = SONAME_NORMAL);
+
+ template <typename ElfInterfaceType>
void Soname();
- template <typename Ehdr, typename Phdr, typename Dyn, typename ElfInterfaceType>
+ template <typename ElfInterfaceType>
void SonameAfterDtNull();
- template <typename Ehdr, typename Phdr, typename Dyn, typename ElfInterfaceType>
+ template <typename ElfInterfaceType>
void SonameSize();
+ template <typename ElfInterfaceType>
+ void SonameMissingMap();
+
template <typename ElfType>
void InitHeadersEhFrameTest();
@@ -465,17 +478,29 @@ TEST_F(ElfInterfaceTest, elf32_arm) {
ASSERT_EQ(2U, elf_arm.total_entries());
}
-template <typename Ehdr, typename Phdr, typename Dyn, typename ElfInterfaceType>
-void ElfInterfaceTest::Soname() {
- std::unique_ptr<ElfInterface> elf(new ElfInterfaceType(&memory_));
-
+template <typename Ehdr, typename Phdr, typename Shdr, typename Dyn>
+void ElfInterfaceTest::SonameInit(SonameTestEnum test_type) {
Ehdr ehdr;
memset(&ehdr, 0, sizeof(ehdr));
+ ehdr.e_shoff = 0x200;
+ ehdr.e_shnum = 2;
+ ehdr.e_shentsize = sizeof(Shdr);
ehdr.e_phoff = 0x100;
ehdr.e_phnum = 1;
ehdr.e_phentsize = sizeof(Phdr);
memory_.SetMemory(0, &ehdr, sizeof(ehdr));
+ Shdr shdr;
+ memset(&shdr, 0, sizeof(shdr));
+ shdr.sh_type = SHT_STRTAB;
+ if (test_type == SONAME_MISSING_MAP) {
+ shdr.sh_addr = 0x20100;
+ } else {
+ shdr.sh_addr = 0x10100;
+ }
+ shdr.sh_offset = 0x10000;
+ memory_.SetMemory(0x200 + sizeof(shdr), &shdr, sizeof(shdr));
+
Phdr phdr;
memset(&phdr, 0, sizeof(phdr));
phdr.p_type = PT_DYNAMIC;
@@ -487,15 +512,25 @@ void ElfInterfaceTest::Soname() {
Dyn dyn;
dyn.d_tag = DT_STRTAB;
- dyn.d_un.d_ptr = 0x10000;
+ dyn.d_un.d_ptr = 0x10100;
memory_.SetMemory(offset, &dyn, sizeof(dyn));
offset += sizeof(dyn);
dyn.d_tag = DT_STRSZ;
- dyn.d_un.d_val = 0x1000;
+ if (test_type == SONAME_DTSIZE_SMALL) {
+ dyn.d_un.d_val = 0x10;
+ } else {
+ dyn.d_un.d_val = 0x1000;
+ }
memory_.SetMemory(offset, &dyn, sizeof(dyn));
offset += sizeof(dyn);
+ if (test_type == SONAME_DTNULL_AFTER) {
+ dyn.d_tag = DT_NULL;
+ memory_.SetMemory(offset, &dyn, sizeof(dyn));
+ offset += sizeof(dyn);
+ }
+
dyn.d_tag = DT_SONAME;
dyn.d_un.d_val = 0x10;
memory_.SetMemory(offset, &dyn, sizeof(dyn));
@@ -505,6 +540,11 @@ void ElfInterfaceTest::Soname() {
memory_.SetMemory(offset, &dyn, sizeof(dyn));
SetStringMemory(0x10010, "fake_soname.so");
+}
+
+template <typename ElfInterfaceType>
+void ElfInterfaceTest::Soname() {
+ std::unique_ptr<ElfInterface> elf(new ElfInterfaceType(&memory_));
uint64_t load_bias = 0;
ASSERT_TRUE(elf->Init(&load_bias));
@@ -516,55 +556,19 @@ void ElfInterfaceTest::Soname() {
}
TEST_F(ElfInterfaceTest, elf32_soname) {
- Soname<Elf32_Ehdr, Elf32_Phdr, Elf32_Dyn, ElfInterface32>();
+ SonameInit<Elf32_Ehdr, Elf32_Phdr, Elf32_Shdr, Elf32_Dyn>();
+ Soname<ElfInterface32>();
}
TEST_F(ElfInterfaceTest, elf64_soname) {
- Soname<Elf64_Ehdr, Elf64_Phdr, Elf64_Dyn, ElfInterface64>();
+ SonameInit<Elf64_Ehdr, Elf64_Phdr, Elf64_Shdr, Elf64_Dyn>();
+ Soname<ElfInterface64>();
}
-template <typename Ehdr, typename Phdr, typename Dyn, typename ElfInterfaceType>
+template <typename ElfInterfaceType>
void ElfInterfaceTest::SonameAfterDtNull() {
std::unique_ptr<ElfInterface> elf(new ElfInterfaceType(&memory_));
- Ehdr ehdr;
- memset(&ehdr, 0, sizeof(ehdr));
- ehdr.e_phoff = 0x100;
- ehdr.e_phnum = 1;
- ehdr.e_phentsize = sizeof(Phdr);
- memory_.SetMemory(0, &ehdr, sizeof(ehdr));
-
- Phdr phdr;
- memset(&phdr, 0, sizeof(phdr));
- phdr.p_type = PT_DYNAMIC;
- phdr.p_offset = 0x2000;
- phdr.p_memsz = sizeof(Dyn) * 3;
- memory_.SetMemory(0x100, &phdr, sizeof(phdr));
-
- Dyn dyn;
- uint64_t offset = 0x2000;
-
- dyn.d_tag = DT_STRTAB;
- dyn.d_un.d_ptr = 0x10000;
- memory_.SetMemory(offset, &dyn, sizeof(dyn));
- offset += sizeof(dyn);
-
- dyn.d_tag = DT_STRSZ;
- dyn.d_un.d_val = 0x1000;
- memory_.SetMemory(offset, &dyn, sizeof(dyn));
- offset += sizeof(dyn);
-
- dyn.d_tag = DT_NULL;
- memory_.SetMemory(offset, &dyn, sizeof(dyn));
- offset += sizeof(dyn);
-
- dyn.d_tag = DT_SONAME;
- dyn.d_un.d_val = 0x10;
- memory_.SetMemory(offset, &dyn, sizeof(dyn));
- offset += sizeof(dyn);
-
- SetStringMemory(0x10010, "fake_soname.so");
-
uint64_t load_bias = 0;
ASSERT_TRUE(elf->Init(&load_bias));
EXPECT_EQ(0U, load_bias);
@@ -574,53 +578,42 @@ void ElfInterfaceTest::SonameAfterDtNull() {
}
TEST_F(ElfInterfaceTest, elf32_soname_after_dt_null) {
- SonameAfterDtNull<Elf32_Ehdr, Elf32_Phdr, Elf32_Dyn, ElfInterface32>();
+ SonameInit<Elf32_Ehdr, Elf32_Phdr, Elf32_Shdr, Elf32_Dyn>(SONAME_DTNULL_AFTER);
+ SonameAfterDtNull<ElfInterface32>();
}
TEST_F(ElfInterfaceTest, elf64_soname_after_dt_null) {
- SonameAfterDtNull<Elf64_Ehdr, Elf64_Phdr, Elf64_Dyn, ElfInterface64>();
+ SonameInit<Elf64_Ehdr, Elf64_Phdr, Elf64_Shdr, Elf64_Dyn>(SONAME_DTNULL_AFTER);
+ SonameAfterDtNull<ElfInterface64>();
}
-template <typename Ehdr, typename Phdr, typename Dyn, typename ElfInterfaceType>
+template <typename ElfInterfaceType>
void ElfInterfaceTest::SonameSize() {
std::unique_ptr<ElfInterface> elf(new ElfInterfaceType(&memory_));
- Ehdr ehdr;
- memset(&ehdr, 0, sizeof(ehdr));
- ehdr.e_phoff = 0x100;
- ehdr.e_phnum = 1;
- ehdr.e_phentsize = sizeof(Phdr);
- memory_.SetMemory(0, &ehdr, sizeof(ehdr));
-
- Phdr phdr;
- memset(&phdr, 0, sizeof(phdr));
- phdr.p_type = PT_DYNAMIC;
- phdr.p_offset = 0x2000;
- phdr.p_memsz = sizeof(Dyn);
- memory_.SetMemory(0x100, &phdr, sizeof(phdr));
-
- Dyn dyn;
- uint64_t offset = 0x2000;
-
- dyn.d_tag = DT_STRTAB;
- dyn.d_un.d_ptr = 0x10000;
- memory_.SetMemory(offset, &dyn, sizeof(dyn));
- offset += sizeof(dyn);
+ uint64_t load_bias = 0;
+ ASSERT_TRUE(elf->Init(&load_bias));
+ EXPECT_EQ(0U, load_bias);
- dyn.d_tag = DT_STRSZ;
- dyn.d_un.d_val = 0x10;
- memory_.SetMemory(offset, &dyn, sizeof(dyn));
- offset += sizeof(dyn);
+ std::string name;
+ ASSERT_FALSE(elf->GetSoname(&name));
+}
- dyn.d_tag = DT_SONAME;
- dyn.d_un.d_val = 0x10;
- memory_.SetMemory(offset, &dyn, sizeof(dyn));
- offset += sizeof(dyn);
+TEST_F(ElfInterfaceTest, elf32_soname_size) {
+ SonameInit<Elf32_Ehdr, Elf32_Phdr, Elf32_Shdr, Elf32_Dyn>(SONAME_DTSIZE_SMALL);
+ SonameSize<ElfInterface32>();
+}
- dyn.d_tag = DT_NULL;
- memory_.SetMemory(offset, &dyn, sizeof(dyn));
+TEST_F(ElfInterfaceTest, elf64_soname_size) {
+ SonameInit<Elf64_Ehdr, Elf64_Phdr, Elf64_Shdr, Elf64_Dyn>(SONAME_DTSIZE_SMALL);
+ SonameSize<ElfInterface64>();
+}
- SetStringMemory(0x10010, "fake_soname.so");
+// Verify that there is no map from STRTAB in the dynamic section to a
+// STRTAB entry in the section headers.
+template <typename ElfInterfaceType>
+void ElfInterfaceTest::SonameMissingMap() {
+ std::unique_ptr<ElfInterface> elf(new ElfInterfaceType(&memory_));
uint64_t load_bias = 0;
ASSERT_TRUE(elf->Init(&load_bias));
@@ -630,12 +623,14 @@ void ElfInterfaceTest::SonameSize() {
ASSERT_FALSE(elf->GetSoname(&name));
}
-TEST_F(ElfInterfaceTest, elf32_soname_size) {
- SonameSize<Elf32_Ehdr, Elf32_Phdr, Elf32_Dyn, ElfInterface32>();
+TEST_F(ElfInterfaceTest, elf32_soname_missing_map) {
+ SonameInit<Elf32_Ehdr, Elf32_Phdr, Elf32_Shdr, Elf32_Dyn>(SONAME_MISSING_MAP);
+ SonameMissingMap<ElfInterface32>();
}
-TEST_F(ElfInterfaceTest, elf64_soname_size) {
- SonameSize<Elf64_Ehdr, Elf64_Phdr, Elf64_Dyn, ElfInterface64>();
+TEST_F(ElfInterfaceTest, elf64_soname_missing_map) {
+ SonameInit<Elf64_Ehdr, Elf64_Phdr, Elf64_Shdr, Elf64_Dyn>(SONAME_MISSING_MAP);
+ SonameMissingMap<ElfInterface64>();
}
template <typename ElfType>
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-04 20:42:14 +0000