Merge "ld.config for com.android.neuralnetworks APEX."
diff --git a/adb/client/usb_linux.cpp b/adb/client/usb_linux.cpp
index 81b8306..17b4db1 100644
--- a/adb/client/usb_linux.cpp
+++ b/adb/client/usb_linux.cpp
@@ -324,7 +324,7 @@
h->urb_out_busy = true;
while (true) {
- auto now = std::chrono::system_clock::now();
+ auto now = std::chrono::steady_clock::now();
if (h->cv.wait_until(lock, now + 5s) == std::cv_status::timeout || h->dead) {
// TODO: call USBDEVFS_DISCARDURB?
errno = ETIMEDOUT;
diff --git a/debuggerd/client/debuggerd_client.cpp b/debuggerd/client/debuggerd_client.cpp
index 60eb241..1a5b435 100644
--- a/debuggerd/client/debuggerd_client.cpp
+++ b/debuggerd/client/debuggerd_client.cpp
@@ -22,9 +22,11 @@
#include <sys/poll.h>
#include <sys/stat.h>
#include <sys/types.h>
+#include <time.h>
#include <unistd.h>
#include <chrono>
+#include <iomanip>
#include <android-base/cmsg.h>
#include <android-base/file.h>
@@ -42,8 +44,10 @@
using namespace std::chrono_literals;
+using android::base::ReadFileToString;
using android::base::SendFileDescriptors;
using android::base::unique_fd;
+using android::base::WriteStringToFd;
static bool send_signal(pid_t pid, const DebuggerdDumpType dump_type) {
const int signal = (dump_type == kDebuggerdJavaBacktrace) ? SIGQUIT : DEBUGGER_SIGNAL;
@@ -65,6 +69,76 @@
tv->tv_usec = static_cast<long>(microseconds.count());
}
+static void get_wchan_header(pid_t pid, std::stringstream& buffer) {
+ struct tm now;
+ time_t t = time(nullptr);
+ localtime_r(&t, &now);
+ char timestamp[32];
+ strftime(timestamp, sizeof(timestamp), "%Y-%m-%d %H:%M:%S", &now);
+ std::string time_now(timestamp);
+
+ std::string path = "/proc/" + std::to_string(pid) + "/cmdline";
+
+ char proc_name_buf[1024];
+ const char* proc_name = nullptr;
+ std::unique_ptr<FILE, decltype(&fclose)> fp(fopen(path.c_str(), "r"), &fclose);
+
+ if (fp) {
+ proc_name = fgets(proc_name_buf, sizeof(proc_name_buf), fp.get());
+ }
+
+ if (!proc_name) {
+ proc_name = "<unknown>";
+ }
+
+ buffer << "\n----- Waiting Channels: pid " << pid << " at " << time_now << " -----\n"
+ << "Cmd line: " << proc_name << "\n";
+}
+
+static void get_wchan_footer(pid_t pid, std::stringstream& buffer) {
+ buffer << "----- end " << std::to_string(pid) << " -----\n";
+}
+
+/**
+ * Returns the wchan data for each thread in the process,
+ * or empty string if unable to obtain any data.
+ */
+static std::string get_wchan_data(pid_t pid) {
+ std::stringstream buffer;
+ std::vector<pid_t> tids;
+
+ if (!android::procinfo::GetProcessTids(pid, &tids)) {
+ LOG(WARNING) << "libdebuggerd_client: Failed to get process tids";
+ return buffer.str();
+ }
+
+ std::stringstream data;
+ for (int tid : tids) {
+ std::string path = "/proc/" + std::to_string(pid) + "/task/" + std::to_string(tid) + "/wchan";
+ std::string wchan_str;
+ if (!ReadFileToString(path, &wchan_str, true)) {
+ PLOG(WARNING) << "libdebuggerd_client: Failed to read \"" << path << "\"";
+ continue;
+ }
+ data << "sysTid=" << std::left << std::setw(10) << tid << wchan_str << "\n";
+ }
+
+ if (std::string str = data.str(); !str.empty()) {
+ get_wchan_header(pid, buffer);
+ buffer << "\n" << str << "\n";
+ get_wchan_footer(pid, buffer);
+ buffer << "\n";
+ }
+
+ return buffer.str();
+}
+
+static void dump_wchan_data(const std::string& data, int fd, pid_t pid) {
+ if (!WriteStringToFd(data, fd)) {
+ LOG(WARNING) << "libdebuggerd_client: Failed to dump wchan data for pid: " << pid;
+ }
+}
+
bool debuggerd_trigger_dump(pid_t tid, DebuggerdDumpType dump_type, unsigned int timeout_ms,
unique_fd output_fd) {
pid_t pid = tid;
@@ -261,6 +335,17 @@
if (copy == -1) {
return -1;
}
+
+ // debuggerd_trigger_dump results in every thread in the process being interrupted
+ // by a signal, so we need to fetch the wchan data before calling that.
+ std::string wchan_data = get_wchan_data(tid);
+
int timeout_ms = timeout_secs > 0 ? timeout_secs * 1000 : 0;
- return debuggerd_trigger_dump(tid, dump_type, timeout_ms, std::move(copy)) ? 0 : -1;
+ int ret = debuggerd_trigger_dump(tid, dump_type, timeout_ms, std::move(copy)) ? 0 : -1;
+
+ // Dump wchan data, since only privileged processes (CAP_SYS_ADMIN) can read
+ // kernel stack traces (/proc/*/stack).
+ dump_wchan_data(wchan_data, fd, tid);
+
+ return ret;
}
diff --git a/debuggerd/debuggerd_test.cpp b/debuggerd/debuggerd_test.cpp
index 1f0e420..fbc8b97 100644
--- a/debuggerd/debuggerd_test.cpp
+++ b/debuggerd/debuggerd_test.cpp
@@ -1099,3 +1099,30 @@
// This should be good enough, though...
ASSERT_LT(diff, 10) << "too many new tombstones; is something crashing in the background?";
}
+
+static __attribute__((__noinline__)) void overflow_stack(void* p) {
+ void* buf[1];
+ buf[0] = p;
+ static volatile void* global = buf;
+ if (global) {
+ global = buf;
+ overflow_stack(&buf);
+ }
+}
+
+TEST_F(CrasherTest, stack_overflow) {
+ int intercept_result;
+ unique_fd output_fd;
+ StartProcess([]() { overflow_stack(nullptr); });
+
+ StartIntercept(&output_fd);
+ FinishCrasher();
+ AssertDeath(SIGSEGV);
+ FinishIntercept(&intercept_result);
+
+ ASSERT_EQ(1, intercept_result) << "tombstoned reported failure";
+
+ std::string result;
+ ConsumeFd(std::move(output_fd), &result);
+ ASSERT_MATCH(result, R"(Cause: stack pointer[^\n]*stack overflow.\n)");
+}
diff --git a/debuggerd/libdebuggerd/tombstone.cpp b/debuggerd/libdebuggerd/tombstone.cpp
index d246722..da2ba58 100644
--- a/debuggerd/libdebuggerd/tombstone.cpp
+++ b/debuggerd/libdebuggerd/tombstone.cpp
@@ -86,7 +86,39 @@
_LOG(log, logtype::HEADER, "Timestamp: %s\n", buf);
}
-static void dump_probable_cause(log_t* log, const siginfo_t* si, unwindstack::Maps* maps) {
+static std::string get_stack_overflow_cause(uint64_t fault_addr, uint64_t sp,
+ unwindstack::Maps* maps) {
+ static constexpr uint64_t kMaxDifferenceBytes = 256;
+ uint64_t difference;
+ if (sp >= fault_addr) {
+ difference = sp - fault_addr;
+ } else {
+ difference = fault_addr - sp;
+ }
+ if (difference <= kMaxDifferenceBytes) {
+ // The faulting address is close to the current sp, check if the sp
+ // indicates a stack overflow.
+ // On arm, the sp does not get updated when the instruction faults.
+ // In this case, the sp will still be in a valid map, which is the
+ // last case below.
+ // On aarch64, the sp does get updated when the instruction faults.
+ // In this case, the sp will be in either an invalid map if triggered
+ // on the main thread, or in a guard map if in another thread, which
+ // will be the first case or second case from below.
+ unwindstack::MapInfo* map_info = maps->Find(sp);
+ if (map_info == nullptr) {
+ return "stack pointer is in a non-existent map; likely due to stack overflow.";
+ } else if ((map_info->flags & (PROT_READ | PROT_WRITE)) != (PROT_READ | PROT_WRITE)) {
+ return "stack pointer is not in a rw map; likely due to stack overflow.";
+ } else if ((sp - map_info->start) <= kMaxDifferenceBytes) {
+ return "stack pointer is close to top of stack; likely stack overflow.";
+ }
+ }
+ return "";
+}
+
+static void dump_probable_cause(log_t* log, const siginfo_t* si, unwindstack::Maps* maps,
+ unwindstack::Regs* regs) {
std::string cause;
if (si->si_signo == SIGSEGV && si->si_code == SEGV_MAPERR) {
if (si->si_addr < reinterpret_cast<void*>(4096)) {
@@ -101,11 +133,16 @@
cause = "call to kuser_memory_barrier";
} else if (si->si_addr == reinterpret_cast<void*>(0xffff0f60)) {
cause = "call to kuser_cmpxchg64";
+ } else {
+ cause = get_stack_overflow_cause(reinterpret_cast<uint64_t>(si->si_addr), regs->sp(), maps);
}
} else if (si->si_signo == SIGSEGV && si->si_code == SEGV_ACCERR) {
- unwindstack::MapInfo* map_info = maps->Find(reinterpret_cast<uint64_t>(si->si_addr));
+ uint64_t fault_addr = reinterpret_cast<uint64_t>(si->si_addr);
+ unwindstack::MapInfo* map_info = maps->Find(fault_addr);
if (map_info != nullptr && map_info->flags == PROT_EXEC) {
cause = "execute-only (no-read) memory access error; likely due to data in .text.";
+ } else {
+ cause = get_stack_overflow_cause(fault_addr, regs->sp(), maps);
}
} else if (si->si_signo == SIGSYS && si->si_code == SYS_SECCOMP) {
cause = StringPrintf("seccomp prevented call to disallowed %s system call %d", ABI_STRING,
@@ -447,7 +484,7 @@
if (thread_info.siginfo) {
dump_signal_info(log, thread_info, unwinder->GetProcessMemory().get());
- dump_probable_cause(log, thread_info.siginfo, unwinder->GetMaps());
+ dump_probable_cause(log, thread_info.siginfo, unwinder->GetMaps(), thread_info.registers.get());
}
if (primary_thread) {
diff --git a/demangle/.clang-format b/demangle/.clang-format
deleted file mode 120000
index fd0645f..0000000
--- a/demangle/.clang-format
+++ /dev/null
@@ -1 +0,0 @@
-../.clang-format-2
\ No newline at end of file
diff --git a/demangle/Android.bp b/demangle/Android.bp
deleted file mode 100644
index fd79cf8..0000000
--- a/demangle/Android.bp
+++ /dev/null
@@ -1,87 +0,0 @@
-//
-// Copyright (C) 2017 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-cc_defaults {
- name: "libdemangle_defaults",
-
- host_supported: true,
-
- cflags: [
- "-Wall",
- "-Werror",
- "-Wextra",
- ],
-
- target: {
- linux_bionic: {
- enabled: true,
- },
- },
-}
-
-cc_library {
- name: "libdemangle",
- defaults: ["libdemangle_defaults"],
- vendor_available: true,
- recovery_available: true,
-
- srcs: [
- "Demangler.cpp",
- ],
-
- local_include_dirs: [
- "include",
- ],
-
- export_include_dirs: [
- "include",
- ],
-}
-
-cc_binary {
- name: "demangle",
- defaults: ["libdemangle_defaults"],
- srcs: ["demangle.cpp"],
- host_supported: true,
-
- shared_libs: ["libdemangle"],
-}
-
-//-------------------------------------------------------------------------
-// Unit Tests
-//-------------------------------------------------------------------------
-cc_test {
- name: "libdemangle_test",
- defaults: ["libdemangle_defaults"],
-
- srcs: [
- "DemangleTest.cpp",
- ],
-
- cflags: [
- "-O0",
- "-g",
- ],
-
- shared_libs: [
- "libdemangle",
- ],
-
- test_suites: ["device-tests"],
- required: [
- "libdemangle",
- ],
-}
diff --git a/demangle/Android.mk b/demangle/Android.mk
deleted file mode 100644
index d8082a9..0000000
--- a/demangle/Android.mk
+++ /dev/null
@@ -1,31 +0,0 @@
-#
-# Copyright (C) 2017 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := demangle_fuzzer
-LOCAL_SRC_FILES := \
- Demangler.cpp \
- demangle_fuzzer.cpp \
-
-LOCAL_CFLAGS := \
- -Wall \
- -Werror \
- -Wextra \
-
-include $(BUILD_FUZZ_TEST)
diff --git a/demangle/DemangleTest.cpp b/demangle/DemangleTest.cpp
deleted file mode 100644
index 1787031..0000000
--- a/demangle/DemangleTest.cpp
+++ /dev/null
@@ -1,555 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdlib.h>
-
-#include <gtest/gtest.h>
-
-#include <demangle.h>
-
-#include "Demangler.h"
-
-TEST(DemangleTest, IllegalArgumentModifiers) {
- Demangler demangler;
-
- ASSERT_EQ("_Zpp4FUNKK", demangler.Parse("_Zpp4FUNKK"));
- ASSERT_EQ("_Zpp4FUNVV", demangler.Parse("_Zpp4FUNVV"));
-}
-
-TEST(DemangleTest, VoidArgument) {
- Demangler demangler;
-
- ASSERT_EQ("func()", demangler.Parse("_ZN4funcEv"));
- ASSERT_EQ("func(void&)", demangler.Parse("_ZN4funcERv"));
- ASSERT_EQ("func(void, void)", demangler.Parse("_ZN4funcEvv"));
- ASSERT_EQ("func(void*)", demangler.Parse("_ZN4funcEPv"));
- ASSERT_EQ("func(void const)", demangler.Parse("_ZN4funcEKv"));
- ASSERT_EQ("func(void volatile)", demangler.Parse("_ZN4funcEVv"));
-}
-
-TEST(DemangleTest, ArgumentModifiers) {
- Demangler demangler;
-
- ASSERT_EQ("func(char)", demangler.Parse("_ZN4funcEc"));
- ASSERT_EQ("func(char*)", demangler.Parse("_ZN4funcEPc"));
- ASSERT_EQ("func(char**)", demangler.Parse("_ZN4funcEPPc"));
- ASSERT_EQ("func(char***)", demangler.Parse("_ZN4funcEPPPc"));
- ASSERT_EQ("func(char&)", demangler.Parse("_ZN4funcERc"));
- ASSERT_EQ("func(char*&)", demangler.Parse("_ZN4funcERPc"));
- ASSERT_EQ("func(char&)", demangler.Parse("_ZN4funcERRc"));
- ASSERT_EQ("func(char*&*)", demangler.Parse("_ZN4funcEPRPc"));
- ASSERT_EQ("func(char**&)", demangler.Parse("_ZN4funcERRPPc"));
- ASSERT_EQ("func(char const)", demangler.Parse("_ZN4funcEKc"));
- ASSERT_EQ("func(char volatile)", demangler.Parse("_ZN4funcEVc"));
- ASSERT_EQ("func(char volatile const)", demangler.Parse("_ZN4funcEKVc"));
- ASSERT_EQ("func(char const volatile)", demangler.Parse("_ZN4funcEVKc"));
- ASSERT_EQ("func(char const* volatile&)", demangler.Parse("_ZN4funcERVPKc"));
- ASSERT_EQ("func(void, char, short)", demangler.Parse("_ZN4funcEvcs"));
- ASSERT_EQ("func(void*, char&, short&*)", demangler.Parse("_ZN4funcEPvRcPRs"));
-}
-
-TEST(DemangleTest, FunctionModifiers) {
- Demangler demangler;
-
- ASSERT_EQ("func() const", demangler.Parse("_ZNK4funcEv"));
- ASSERT_EQ("func() volatile", demangler.Parse("_ZNV4funcEv"));
- ASSERT_EQ("func() volatile const", demangler.Parse("_ZNKV4funcEv"));
- ASSERT_EQ("func() const volatile", demangler.Parse("_ZNVK4funcEv"));
-}
-
-TEST(DemangleTest, MultiplePartsInName) {
- Demangler demangler;
-
- ASSERT_EQ("one::two()", demangler.Parse("_ZN3one3twoEv"));
- ASSERT_EQ("one::two::three()", demangler.Parse("_ZN3one3two5threeEv"));
- ASSERT_EQ("one::two::three::four()", demangler.Parse("_ZN3one3two5three4fourEv"));
- ASSERT_EQ("one::two::three::four::five()", demangler.Parse("_ZN3one3two5three4four4fiveEv"));
- ASSERT_EQ("one(two::three::four::five)", demangler.Parse("_ZN3oneEN3two5three4four4fiveE"));
-}
-
-TEST(DemangleTest, AnonymousNamespace) {
- Demangler demangler;
-
- ASSERT_EQ("(anonymous namespace)::two()", demangler.Parse("_ZN12_GLOBAL__N_13twoEv"));
- ASSERT_EQ("one::two((anonymous namespace))", demangler.Parse("_ZN3one3twoE12_GLOBAL__N_1"));
-}
-
-TEST(DemangleTest, DestructorValues) {
- Demangler demangler;
-
- ASSERT_EQ("one::two::~two()", demangler.Parse("_ZN3one3twoD0Ev"));
- ASSERT_EQ("one::two::~two()", demangler.Parse("_ZN3one3twoD1Ev"));
- ASSERT_EQ("one::two::~two()", demangler.Parse("_ZN3one3twoD2Ev"));
- ASSERT_EQ("one::two::~two()", demangler.Parse("_ZN3one3twoD5Ev"));
- ASSERT_EQ("one::two::three::~three()", demangler.Parse("_ZN3one3two5threeD0Ev"));
-
- ASSERT_EQ("_ZN3one3twoD3Ev", demangler.Parse("_ZN3one3twoD3Ev"));
- ASSERT_EQ("_ZN3one3twoD4Ev", demangler.Parse("_ZN3one3twoD4Ev"));
- ASSERT_EQ("_ZN3one3twoD6Ev", demangler.Parse("_ZN3one3twoD6Ev"));
- ASSERT_EQ("_ZN3one3twoD7Ev", demangler.Parse("_ZN3one3twoD7Ev"));
- ASSERT_EQ("_ZN3one3twoD8Ev", demangler.Parse("_ZN3one3twoD8Ev"));
- ASSERT_EQ("_ZN3one3twoD9Ev", demangler.Parse("_ZN3one3twoD9Ev"));
-
- ASSERT_EQ("one::two<three::four>::~two()", demangler.Parse("_ZN3one3twoIN5three4fourEED2Ev"));
-}
-
-TEST(DemangleTest, ConstructorValues) {
- Demangler demangler;
-
- ASSERT_EQ("one::two::two()", demangler.Parse("_ZN3one3twoC1Ev"));
- ASSERT_EQ("one::two::two()", demangler.Parse("_ZN3one3twoC2Ev"));
- ASSERT_EQ("one::two::two()", demangler.Parse("_ZN3one3twoC3Ev"));
- ASSERT_EQ("one::two::two()", demangler.Parse("_ZN3one3twoC5Ev"));
- ASSERT_EQ("one::two::three::three()", demangler.Parse("_ZN3one3two5threeC1Ev"));
-
- ASSERT_EQ("_ZN3one3twoC0Ev", demangler.Parse("_ZN3one3twoC0Ev"));
- ASSERT_EQ("_ZN3one3twoC4Ev", demangler.Parse("_ZN3one3twoC4Ev"));
- ASSERT_EQ("_ZN3one3twoC6Ev", demangler.Parse("_ZN3one3twoC6Ev"));
- ASSERT_EQ("_ZN3one3twoC7Ev", demangler.Parse("_ZN3one3twoC7Ev"));
- ASSERT_EQ("_ZN3one3twoC8Ev", demangler.Parse("_ZN3one3twoC8Ev"));
- ASSERT_EQ("_ZN3one3twoC9Ev", demangler.Parse("_ZN3one3twoC9Ev"));
-
- ASSERT_EQ("one::two<three::four>::two()", demangler.Parse("_ZN3one3twoIN5three4fourEEC1Ev"));
-}
-
-TEST(DemangleTest, OperatorValues) {
- Demangler demangler;
-
- ASSERT_EQ("operator&&()", demangler.Parse("_Zaav"));
- ASSERT_EQ("operator&()", demangler.Parse("_Zadv"));
- ASSERT_EQ("operator&()", demangler.Parse("_Zanv"));
- ASSERT_EQ("operator&=()", demangler.Parse("_ZaNv"));
- ASSERT_EQ("operator=()", demangler.Parse("_ZaSv"));
- ASSERT_EQ("operator()()", demangler.Parse("_Zclv"));
- ASSERT_EQ("operator,()", demangler.Parse("_Zcmv"));
- ASSERT_EQ("operator~()", demangler.Parse("_Zcov"));
- ASSERT_EQ("operator delete[]()", demangler.Parse("_Zdav"));
- ASSERT_EQ("operator*()", demangler.Parse("_Zdev"));
- ASSERT_EQ("operator delete()", demangler.Parse("_Zdlv"));
- ASSERT_EQ("operator/()", demangler.Parse("_Zdvv"));
- ASSERT_EQ("operator/=()", demangler.Parse("_ZdVv"));
- ASSERT_EQ("operator^()", demangler.Parse("_Zeov"));
- ASSERT_EQ("operator^=()", demangler.Parse("_ZeOv"));
- ASSERT_EQ("operator==()", demangler.Parse("_Zeqv"));
- ASSERT_EQ("operator>=()", demangler.Parse("_Zgev"));
- ASSERT_EQ("operator>()", demangler.Parse("_Zgtv"));
- ASSERT_EQ("operator[]()", demangler.Parse("_Zixv"));
- ASSERT_EQ("operator<=()", demangler.Parse("_Zlev"));
- ASSERT_EQ("operator<<()", demangler.Parse("_Zlsv"));
- ASSERT_EQ("operator<<=()", demangler.Parse("_ZlSv"));
- ASSERT_EQ("operator<()", demangler.Parse("_Zltv"));
- ASSERT_EQ("operator-()", demangler.Parse("_Zmiv"));
- ASSERT_EQ("operator-=()", demangler.Parse("_ZmIv"));
- ASSERT_EQ("operator*()", demangler.Parse("_Zmlv"));
- ASSERT_EQ("operator*=()", demangler.Parse("_ZmLv"));
- ASSERT_EQ("operator--()", demangler.Parse("_Zmmv"));
- ASSERT_EQ("operator new[]()", demangler.Parse("_Znav"));
- ASSERT_EQ("operator!=()", demangler.Parse("_Znev"));
- ASSERT_EQ("operator-()", demangler.Parse("_Zngv"));
- ASSERT_EQ("operator!()", demangler.Parse("_Zntv"));
- ASSERT_EQ("operator new()", demangler.Parse("_Znwv"));
- ASSERT_EQ("operator||()", demangler.Parse("_Zoov"));
- ASSERT_EQ("operator|()", demangler.Parse("_Zorv"));
- ASSERT_EQ("operator|=()", demangler.Parse("_ZoRv"));
- ASSERT_EQ("operator->*()", demangler.Parse("_Zpmv"));
- ASSERT_EQ("operator+()", demangler.Parse("_Zplv"));
- ASSERT_EQ("operator+=()", demangler.Parse("_ZpLv"));
- ASSERT_EQ("operator++()", demangler.Parse("_Zppv"));
- ASSERT_EQ("operator+()", demangler.Parse("_Zpsv"));
- ASSERT_EQ("operator->()", demangler.Parse("_Zptv"));
- ASSERT_EQ("operator?()", demangler.Parse("_Zquv"));
- ASSERT_EQ("operator%()", demangler.Parse("_Zrmv"));
- ASSERT_EQ("operator%=()", demangler.Parse("_ZrMv"));
- ASSERT_EQ("operator>>()", demangler.Parse("_Zrsv"));
- ASSERT_EQ("operator>>=()", demangler.Parse("_ZrSv"));
-
- // Spot check using an operator as part of function name.
- ASSERT_EQ("operator&&()", demangler.Parse("_ZNaaEv"));
- ASSERT_EQ("operator++()", demangler.Parse("_ZNppEv"));
- ASSERT_EQ("one::operator++()", demangler.Parse("_ZN3oneppEv"));
-
- // Spot check using an operator in an argument name.
- ASSERT_EQ("operator+(operator|=)", demangler.Parse("_ZNpsENoRE"));
- ASSERT_EQ("operator==()", demangler.Parse("_Zeqv"));
- ASSERT_EQ("one(arg1::operator|=, arg2::operator==)",
- demangler.Parse("_ZN3oneEN4arg1oREN4arg2eqE"));
-}
-
-TEST(DemangleTest, FunctionStartsWithNumber) {
- Demangler demangler;
-
- ASSERT_EQ("value(char, int)", demangler.Parse("_Z5valueci"));
- ASSERT_EQ("abcdefjklmn(signed char)", demangler.Parse("_Z11abcdefjklmna"));
- ASSERT_EQ("value(one, signed char)", demangler.Parse("_Z5value3onea"));
-}
-
-TEST(DemangleTest, FunctionStartsWithLPlusNumber) {
- Demangler demangler;
-
- ASSERT_EQ("value(char, int)", demangler.Parse("_ZL5valueci"));
- ASSERT_EQ("abcdefjklmn(signed char)", demangler.Parse("_ZL11abcdefjklmna"));
- ASSERT_EQ("value(one, signed char)", demangler.Parse("_ZL5value3onea"));
-}
-
-TEST(DemangleTest, StdTypes) {
- Demangler demangler;
-
- ASSERT_EQ("std::one", demangler.Parse("_ZNSt3oneE"));
- ASSERT_EQ("std::one(std::two)", demangler.Parse("_ZNSt3oneESt3two"));
- ASSERT_EQ("std::std::one(std::two)", demangler.Parse("_ZNStSt3oneESt3two"));
- ASSERT_EQ("std()", demangler.Parse("_ZNStEv"));
- ASSERT_EQ("one::std::std::two::~two(one::std::std::two)",
- demangler.Parse("_ZN3oneStSt3twoD0ES0_"));
-
- ASSERT_EQ("std::allocator", demangler.Parse("_ZNSaE"));
- ASSERT_EQ("std::basic_string", demangler.Parse("_ZNSbE"));
- ASSERT_EQ("_ZNScE", demangler.Parse("_ZNScE"));
- ASSERT_EQ("std::iostream", demangler.Parse("_ZNSdE"));
- ASSERT_EQ("_ZNSeE", demangler.Parse("_ZNSeE"));
- ASSERT_EQ("_ZNSfE", demangler.Parse("_ZNSfE"));
- ASSERT_EQ("_ZNSgE", demangler.Parse("_ZNSgE"));
- ASSERT_EQ("_ZNShE", demangler.Parse("_ZNShE"));
- ASSERT_EQ("std::istream", demangler.Parse("_ZNSiE"));
- ASSERT_EQ("_ZNSjE", demangler.Parse("_ZNSjE"));
- ASSERT_EQ("_ZNSkE", demangler.Parse("_ZNSkE"));
- ASSERT_EQ("_ZNSlE", demangler.Parse("_ZNSlE"));
- ASSERT_EQ("_ZNSmE", demangler.Parse("_ZNSmE"));
- ASSERT_EQ("_ZNSnE", demangler.Parse("_ZNSnE"));
- ASSERT_EQ("std::ostream", demangler.Parse("_ZNSoE"));
- ASSERT_EQ("_ZNSpE", demangler.Parse("_ZNSpE"));
- ASSERT_EQ("_ZNSqE", demangler.Parse("_ZNSqE"));
- ASSERT_EQ("_ZNSrE", demangler.Parse("_ZNSrE"));
- ASSERT_EQ("std::string", demangler.Parse("_ZNSsE"));
- ASSERT_EQ("_ZNSuE", demangler.Parse("_ZNSuE"));
- ASSERT_EQ("_ZNSvE", demangler.Parse("_ZNSvE"));
- ASSERT_EQ("_ZNSwE", demangler.Parse("_ZNSwE"));
- ASSERT_EQ("_ZNSxE", demangler.Parse("_ZNSxE"));
- ASSERT_EQ("_ZNSyE", demangler.Parse("_ZNSyE"));
- ASSERT_EQ("_ZNSzE", demangler.Parse("_ZNSzE"));
-}
-
-TEST(DemangleTest, SingleLetterArguments) {
- Demangler demangler;
-
- ASSERT_EQ("func(signed char)", demangler.Parse("_ZN4funcEa"));
- ASSERT_EQ("func(bool)", demangler.Parse("_ZN4funcEb"));
- ASSERT_EQ("func(char)", demangler.Parse("_ZN4funcEc"));
- ASSERT_EQ("func(double)", demangler.Parse("_ZN4funcEd"));
- ASSERT_EQ("func(long double)", demangler.Parse("_ZN4funcEe"));
- ASSERT_EQ("func(float)", demangler.Parse("_ZN4funcEf"));
- ASSERT_EQ("func(__float128)", demangler.Parse("_ZN4funcEg"));
- ASSERT_EQ("func(unsigned char)", demangler.Parse("_ZN4funcEh"));
- ASSERT_EQ("func(int)", demangler.Parse("_ZN4funcEi"));
- ASSERT_EQ("func(unsigned int)", demangler.Parse("_ZN4funcEj"));
- ASSERT_EQ("_ZN4funcEk", demangler.Parse("_ZN4funcEk"));
- ASSERT_EQ("func(long)", demangler.Parse("_ZN4funcEl"));
- ASSERT_EQ("func(unsigned long)", demangler.Parse("_ZN4funcEm"));
- ASSERT_EQ("func(__int128)", demangler.Parse("_ZN4funcEn"));
- ASSERT_EQ("func(unsigned __int128)", demangler.Parse("_ZN4funcEo"));
- ASSERT_EQ("_ZN4funcEp", demangler.Parse("_ZN4funcEp"));
- ASSERT_EQ("_ZN4funcEq", demangler.Parse("_ZN4funcEq"));
- ASSERT_EQ("_ZN4funcEr", demangler.Parse("_ZN4funcEr"));
- ASSERT_EQ("func(short)", demangler.Parse("_ZN4funcEs"));
- ASSERT_EQ("func(unsigned short)", demangler.Parse("_ZN4funcEt"));
- ASSERT_EQ("_ZN4funcEu", demangler.Parse("_ZN4funcEu"));
- ASSERT_EQ("func()", demangler.Parse("_ZN4funcEv"));
- ASSERT_EQ("func(wchar_t)", demangler.Parse("_ZN4funcEw"));
- ASSERT_EQ("func(long long)", demangler.Parse("_ZN4funcEx"));
- ASSERT_EQ("func(unsigned long long)", demangler.Parse("_ZN4funcEy"));
- ASSERT_EQ("func(...)", demangler.Parse("_ZN4funcEz"));
-}
-
-TEST(DemangleTest, DArguments) {
- Demangler demangler;
-
- ASSERT_EQ("func(auto)", demangler.Parse("_ZN4funcEDa"));
- ASSERT_EQ("_ZN4funcEDb", demangler.Parse("_ZN4funcEDb"));
- ASSERT_EQ("_ZN4funcEDc", demangler.Parse("_ZN4funcEDc"));
- ASSERT_EQ("func(decimal64)", demangler.Parse("_ZN4funcEDd"));
- ASSERT_EQ("func(decimal128)", demangler.Parse("_ZN4funcEDe"));
- ASSERT_EQ("func(decimal32)", demangler.Parse("_ZN4funcEDf"));
- ASSERT_EQ("_ZN4funcEDg", demangler.Parse("_ZN4funcEDg"));
- ASSERT_EQ("func(half)", demangler.Parse("_ZN4funcEDh"));
- ASSERT_EQ("func(char32_t)", demangler.Parse("_ZN4funcEDi"));
- ASSERT_EQ("_ZN4funcEDj", demangler.Parse("_ZN4funcEDj"));
- ASSERT_EQ("_ZN4funcEDk", demangler.Parse("_ZN4funcEDk"));
- ASSERT_EQ("_ZN4funcEDl", demangler.Parse("_ZN4funcEDl"));
- ASSERT_EQ("_ZN4funcEDm", demangler.Parse("_ZN4funcEDm"));
- ASSERT_EQ("func(decltype(nullptr))", demangler.Parse("_ZN4funcEDn"));
- ASSERT_EQ("_ZN4funcEDo", demangler.Parse("_ZN4funcEDo"));
- ASSERT_EQ("_ZN4funcEDp", demangler.Parse("_ZN4funcEDp"));
- ASSERT_EQ("_ZN4funcEDq", demangler.Parse("_ZN4funcEDq"));
- ASSERT_EQ("_ZN4funcEDr", demangler.Parse("_ZN4funcEDr"));
- ASSERT_EQ("func(char16_t)", demangler.Parse("_ZN4funcEDs"));
- ASSERT_EQ("_ZN4funcEDt", demangler.Parse("_ZN4funcEDt"));
- ASSERT_EQ("_ZN4funcEDu", demangler.Parse("_ZN4funcEDu"));
- ASSERT_EQ("_ZN4funcEDv", demangler.Parse("_ZN4funcEDv"));
- ASSERT_EQ("_ZN4funcEDw", demangler.Parse("_ZN4funcEDw"));
- ASSERT_EQ("_ZN4funcEDx", demangler.Parse("_ZN4funcEDx"));
- ASSERT_EQ("_ZN4funcEDy", demangler.Parse("_ZN4funcEDy"));
- ASSERT_EQ("_ZN4funcEDz", demangler.Parse("_ZN4funcEDz"));
-}
-
-TEST(DemangleTest, FunctionArguments) {
- Demangler demangler;
-
- ASSERT_EQ("func(char ())", demangler.Parse("_ZN4funcEFcvE"));
- ASSERT_EQ("func(char (*)())", demangler.Parse("_ZN4funcEPFcvE"));
- ASSERT_EQ("func(char (&)())", demangler.Parse("_ZN4funcERFcvE"));
- ASSERT_EQ("func(char (&)())", demangler.Parse("_ZN4funcERFcvE"));
- ASSERT_EQ("func(char (*&)())", demangler.Parse("_ZN4funcERPFcvE"));
- ASSERT_EQ("func(char (*)(int) const)", demangler.Parse("_ZN4funcEPKFciE"));
- ASSERT_EQ("func(char (&)() const)", demangler.Parse("_ZN4funcERKFcvE"));
- ASSERT_EQ("func(char (&)() volatile)", demangler.Parse("_ZN4funcERVFcvE"));
- ASSERT_EQ("func(char (&)() volatile const)", demangler.Parse("_ZN4funcERKVFcvE"));
- ASSERT_EQ("func(char (&)() const volatile)", demangler.Parse("_ZN4funcERVKFcvE"));
- ASSERT_EQ("func(char (&)(int, signed char) const)", demangler.Parse("_ZN4funcERKFciaE"));
- ASSERT_EQ("fake(char (&* volatile const)(void, void, signed char), signed char)",
- demangler.Parse("_ZN4fakeEKVPRFcvvaEa"));
-}
-
-TEST(DemangleTest, TemplateFunction) {
- Demangler demangler;
-
- ASSERT_EQ("one<char>", demangler.Parse("_ZN3oneIcEE"));
- ASSERT_EQ("one<void>", demangler.Parse("_ZN3oneIvEE"));
- ASSERT_EQ("one<void*>", demangler.Parse("_ZN3oneIPvEE"));
- ASSERT_EQ("one<void const>", demangler.Parse("_ZN3oneIKvEE"));
- ASSERT_EQ("one<char, int, bool>", demangler.Parse("_ZN3oneIcibEE"));
- ASSERT_EQ("one::two<three>", demangler.Parse("_ZN3one3twoIN5threeEEE"));
- ASSERT_EQ("one<char, int, two::three>", demangler.Parse("_ZN3oneIciN3two5threeEEE"));
- // Template within templates.
- ASSERT_EQ("one::two<three<char, int>>", demangler.Parse("_ZN3one3twoIN5threeIciEEEE"));
- ASSERT_EQ("one::two<three<char, four<int>>>", demangler.Parse("_ZN3one3twoIN5threeIcN4fourIiEEEEEE"));
-
- ASSERT_EQ("one<char>", demangler.Parse("_Z3oneIcE"));
- ASSERT_EQ("one<void>", demangler.Parse("_Z3oneIvE"));
- ASSERT_EQ("one<void*>", demangler.Parse("_Z3oneIPvE"));
- ASSERT_EQ("one<void const>", demangler.Parse("_Z3oneIKvE"));
- ASSERT_EQ("one<char, int, bool>", demangler.Parse("_Z3oneIcibE"));
- ASSERT_EQ("one(two<three>)", demangler.Parse("_Z3one3twoIN5threeEE"));
- ASSERT_EQ("one<char, int, two::three>", demangler.Parse("_Z3oneIciN3two5threeEE"));
- // Template within templates.
- ASSERT_EQ("one(two<three<char, int>>)", demangler.Parse("_Z3one3twoIN5threeIciEEE"));
- ASSERT_EQ("one(two<three<char, four<int>>>)",
- demangler.Parse("_Z3one3twoIN5threeIcN4fourIiEEEEE"));
-}
-
-TEST(DemangleTest, TemplateFunctionWithReturnType) {
- Demangler demangler;
-
- ASSERT_EQ("char one<int>(char)", demangler.Parse("_Z3oneIiEcc"));
- ASSERT_EQ("void one<int>()", demangler.Parse("_Z3oneIiEvv"));
- ASSERT_EQ("char one<int>()", demangler.Parse("_Z3oneIiEcv"));
- ASSERT_EQ("char one<int>(void, void)", demangler.Parse("_Z3oneIiEcvv"));
- ASSERT_EQ("char one<int>()", demangler.Parse("_ZN3oneIiEEcv"));
- ASSERT_EQ("char one<int>(void, void)", demangler.Parse("_ZN3oneIiEEcvv"));
-}
-
-TEST(DemangleTest, TemplateArguments) {
- Demangler demangler;
-
- ASSERT_EQ("one(two<char>)", demangler.Parse("_ZN3oneE3twoIcE"));
- ASSERT_EQ("one(two<char, void>)", demangler.Parse("_ZN3oneE3twoIcvE"));
- ASSERT_EQ("one(two<char, void, three<four, int>>)",
- demangler.Parse("_ZN3oneE3twoIcv5threeI4fouriEE"));
-}
-
-TEST(DemangleTest, SubstitutionUnderscore) {
- Demangler demangler;
-
- ASSERT_EQ("a::a", demangler.Parse("_ZN1aS_E"));
- ASSERT_EQ("one::one", demangler.Parse("_ZN3oneS_E"));
- ASSERT_EQ("one::two::one", demangler.Parse("_ZN3one3twoS_E"));
- ASSERT_EQ("one::two::three::one", demangler.Parse("_ZN3one3two5threeS_E"));
- ASSERT_EQ("one::two(one)", demangler.Parse("_ZN3one3twoES_"));
- ASSERT_EQ("one::two(three::one)", demangler.Parse("_ZN3one3twoEN5threeS_E"));
-
- // Special case that St is part of the saved value used in the substitution.
- ASSERT_EQ("std::one::std::one", demangler.Parse("_ZNSt3oneS_E"));
-
- // Multiple substitutions in the string.
- ASSERT_EQ("one::one(one, one)", demangler.Parse("_ZN3oneS_ES_S_"));
- ASSERT_EQ("std::one::two::std::one(std::one)", demangler.Parse("_ZNSt3one3twoS_ES_"));
-}
-
-TEST(DemangleTest, SubstitutionByNumber) {
- Demangler demangler;
-
- // Basic substitution.
- ASSERT_EQ("a::b::c(a::b)", demangler.Parse("_ZN1a1b1cES0_"));
- ASSERT_EQ("_ZN1a1b1cES1_", demangler.Parse("_ZN1a1b1cES1_"));
- ASSERT_EQ("a::b::c::d(a::b::c)", demangler.Parse("_ZN1a1b1c1dES1_"));
- ASSERT_EQ("a::b::c::d::e::f::g::h::i::j::k::l::m::n::o::p::q(a::b::c::d::e::f::g::h::i::j::k::l)",
- demangler.Parse("_ZN1a1b1c1d1e1f1g1h1i1j1k1l1m1n1o1p1qESA_"));
- ASSERT_EQ("a::b::c::d::e::f::g::h::i::j::k::l::m::n::o::p::q(a::b::c::d::e::f::g::h::i::j::k::l::m)",
- demangler.Parse("_ZN1a1b1c1d1e1f1g1h1i1j1k1l1m1n1o1p1qESB_"));
-
- // Verify argument modifiers are included in substitution list.
- ASSERT_EQ("one::two(char&* volatile const, char&)", demangler.Parse("_ZN3one3twoEKVPRcS0_"));
- ASSERT_EQ("one::two(char&* volatile const, char&*)", demangler.Parse("_ZN3one3twoEKVPRcS1_"));
- ASSERT_EQ("one::two(char&* volatile const, char&* volatile const)",
- demangler.Parse("_ZN3one3twoEKVPRcS2_"));
- ASSERT_EQ("one::two(int&* volatile* const, int&)", demangler.Parse("_ZN3one3twoEKPVPRiS0_"));
- ASSERT_EQ("one::two(int&* volatile const, int&*)", demangler.Parse("_ZN3one3twoEKVPRiS1_"));
- ASSERT_EQ("one::two(int&* volatile const, int&* volatile const)",
- demangler.Parse("_ZN3one3twoEKVPRiS2_"));
-
- // Verify Constructor/Destructor does properly save from function name.
- ASSERT_EQ("_ZN1a1bES0_", demangler.Parse("_ZN1a1bES0_"));
- ASSERT_EQ("a::b::b(a::b)", demangler.Parse("_ZN1a1bC1ES0_"));
- ASSERT_EQ("a::b::~b(a::b)", demangler.Parse("_ZN1a1bD0ES0_"));
-
- // Make sure substitution values are not saved.
- ASSERT_EQ("a::b::b(a::b, char*, char*)", demangler.Parse("_ZN1a1bC1ES0_PcS1_"));
-}
-
-TEST(DemangleTest, ComplexSubstitution) {
- Demangler demangler;
-
- ASSERT_EQ("one::two<one::three>::two()", demangler.Parse("_ZN3one3twoINS_5threeEEC1Ev"));
- ASSERT_EQ("one::two::two(one::two const&, bool, one::three*)",
- demangler.Parse("_ZN3one3twoC2ERKS0_bPNS_5threeE"));
- ASSERT_EQ("one::two::three::four<one::five>::~four(one::two*)",
- demangler.Parse("_ZN3one3two5three4fourINS_4fiveEED2EPS0_"));
- ASSERT_EQ("one::two::three::four<one::five>::~four(one::two::three*)",
- demangler.Parse("_ZN3one3two5three4fourINS_4fiveEED2EPS1_"));
- ASSERT_EQ("one::two::three::four<one::five>::~four(one::two::three::four*)",
- demangler.Parse("_ZN3one3two5three4fourINS_4fiveEED2EPS2_"));
- ASSERT_EQ("one::two::three::four<one::five>::~four(one::five*)",
- demangler.Parse("_ZN3one3two5three4fourINS_4fiveEED2EPS3_"));
-}
-
-TEST(DemangleTest, TemplateSubstitution) {
- Demangler demangler;
-
- ASSERT_EQ("void one<int, double>(int)", demangler.Parse("_ZN3oneIidEEvT_"));
- ASSERT_EQ("void one<int, double>(double)", demangler.Parse("_ZN3oneIidEEvT0_"));
- ASSERT_EQ("void one<int, double, char, void>(char)", demangler.Parse("_ZN3oneIidcvEEvT1_"));
-
- ASSERT_EQ("void one<int, double>(int)", demangler.Parse("_Z3oneIidEvT_"));
- ASSERT_EQ("void one<int, double>(double)", demangler.Parse("_Z3oneIidEvT0_"));
- ASSERT_EQ("void one<int, double, char, void>(char)", demangler.Parse("_Z3oneIidcvEvT1_"));
-
- ASSERT_EQ("void one<a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r>(l)",
- demangler.Parse("_ZN3oneI1a1b1c1d1e1f1g1h1i1j1k1l1m1n1o1p1q1rEEvT10_"));
- ASSERT_EQ("void one<a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r>(m)",
- demangler.Parse("_ZN3oneI1a1b1c1d1e1f1g1h1i1j1k1l1m1n1o1p1q1rEEvT11_"));
-
- ASSERT_EQ("void one<a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r>(l)",
- demangler.Parse("_Z3oneI1a1b1c1d1e1f1g1h1i1j1k1l1m1n1o1p1q1rEvT10_"));
- ASSERT_EQ("void one<a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r>(m)",
- demangler.Parse("_Z3oneI1a1b1c1d1e1f1g1h1i1j1k1l1m1n1o1p1q1rEvT11_"));
-}
-
-TEST(DemangleTest, StringTooLong) {
- Demangler demangler;
-
- ASSERT_EQ("_ZN3one3twoC2ERKS0_bPNS_5threeE",
- demangler.Parse("_ZN3one3twoC2ERKS0_bPNS_5threeE", 10));
- ASSERT_EQ("_ZN3one3twoC2ERKS0_bPNS_5threeE",
- demangler.Parse("_ZN3one3twoC2ERKS0_bPNS_5threeE", 30));
- ASSERT_EQ("one::two::two(one::two const&, bool, one::three*)",
- demangler.Parse("_ZN3one3twoC2ERKS0_bPNS_5threeE", 31));
-
- // Check the length check only occurs after the two letter value
- // has been processed.
- ASSERT_EQ("one::two(auto)", demangler.Parse("_ZN3one3twoEDa", 15));
- ASSERT_EQ("one::two(auto)", demangler.Parse("_ZN3one3twoEDa", 14));
- ASSERT_EQ("one::two(auto)", demangler.Parse("_ZN3one3twoEDa", 13));
- ASSERT_EQ("_ZN3one3twoEDa", demangler.Parse("_ZN3one3twoEDa", 12));
-}
-
-TEST(DemangleTest, BooleanLiterals) {
- Demangler demangler;
-
- ASSERT_EQ("one<true>", demangler.Parse("_ZN3oneILb1EEE"));
- ASSERT_EQ("one<false>", demangler.Parse("_ZN3oneILb0EEE"));
- ASSERT_EQ("one<false, true>", demangler.Parse("_ZN3oneILb0ELb1EEE"));
-
- ASSERT_EQ("one<true>", demangler.Parse("_Z3oneILb1EE"));
- ASSERT_EQ("one<false>", demangler.Parse("_Z3oneILb0EE"));
- ASSERT_EQ("one<false, true>", demangler.Parse("_Z3oneILb0ELb1EE"));
-
- ASSERT_EQ("one(two<three<four>, false, true>)",
- demangler.Parse("_ZN3oneE3twoI5threeI4fourELb0ELb1EE"));
-}
-
-TEST(DemangleTest, non_virtual_thunk) {
- Demangler demangler;
-
- ASSERT_EQ("non-virtual thunk to one", demangler.Parse("_ZThn0_N3oneE"));
- ASSERT_EQ("non-virtual thunk to two", demangler.Parse("_ZThn0_3two"));
- ASSERT_EQ("non-virtual thunk to three", demangler.Parse("_ZTh0_5three"));
- ASSERT_EQ("non-virtual thunk to four", demangler.Parse("_ZTh_4four"));
- ASSERT_EQ("non-virtual thunk to five", demangler.Parse("_ZTh0123456789_4five"));
- ASSERT_EQ("non-virtual thunk to six", demangler.Parse("_ZThn0123456789_3six"));
-
- ASSERT_EQ("_ZThn0N3oneE", demangler.Parse("_ZThn0N3oneE"));
- ASSERT_EQ("_ZThn03two", demangler.Parse("_ZThn03two"));
- ASSERT_EQ("_ZTh05three", demangler.Parse("_ZTh05three"));
- ASSERT_EQ("_ZTh4four", demangler.Parse("_ZTh4four"));
- ASSERT_EQ("_ZTh01234567894five", demangler.Parse("_ZTh01234567894five"));
- ASSERT_EQ("_ZThn01234567893six", demangler.Parse("_ZThn01234567893six"));
- ASSERT_EQ("_ZT_N3oneE", demangler.Parse("_ZT_N3oneE"));
- ASSERT_EQ("_ZT0_N3oneE", demangler.Parse("_ZT0_N3oneE"));
- ASSERT_EQ("_ZTH_N3oneE", demangler.Parse("_ZTH_N3oneE"));
-}
-
-TEST(DemangleTest, r_value_reference) {
- Demangler demangler;
- ASSERT_EQ(
- "android::SurfaceComposerClient::Transaction::merge(android::SurfaceComposerClient::"
- "Transaction&&)",
- demangler.Parse("_ZN7android21SurfaceComposerClient11Transaction5mergeEOS1_"));
-}
-
-TEST(DemangleTest, initial_St) {
- Demangler demangler;
- EXPECT_EQ("std::state", demangler.Parse("_ZSt5state"));
- EXPECT_EQ("std::_In::ward", demangler.Parse("_ZNSt3_In4wardE"));
- EXPECT_EQ("std::__terminate(void (*)())", demangler.Parse("_ZSt11__terminatePFvvE"));
-}
-
-TEST(DemangleTest, cfi) {
- Demangler demangler;
- EXPECT_EQ("nfa_sys_ptim_timer_update(tPTIM_CB*)",
- demangler.Parse("_Z25nfa_sys_ptim_timer_updateP8tPTIM_CB"));
- EXPECT_EQ("nfa_sys_ptim_timer_update(tPTIM_CB*) [clone .cfi]",
- demangler.Parse("_Z25nfa_sys_ptim_timer_updateP8tPTIM_CB.cfi"));
-}
-
-TEST(DemangleTest, demangle) {
- std::string str;
-
- str = demangle("_ZN1a1b1cES0_");
- ASSERT_EQ("a::b::c(a::b)", str);
-
- str = demangle("_");
- ASSERT_EQ("_", str);
-
- str = demangle("_Z");
- ASSERT_EQ("_Z", str);
-
- str = demangle("_Za");
- ASSERT_EQ("_Za", str);
-
- str = demangle("_Zaa");
- ASSERT_EQ("operator&&", str);
-
- str = demangle("Xa");
- ASSERT_EQ("Xa", str);
-}
diff --git a/demangle/Demangler.cpp b/demangle/Demangler.cpp
deleted file mode 100644
index 7bae356..0000000
--- a/demangle/Demangler.cpp
+++ /dev/null
@@ -1,925 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <assert.h>
-#include <string.h>
-
-#include <cctype>
-#include <stack>
-#include <string>
-#include <vector>
-
-#include "Demangler.h"
-
-constexpr const char* Demangler::kTypes[];
-constexpr const char* Demangler::kDTypes[];
-constexpr const char* Demangler::kSTypes[];
-
-void Demangler::Save(const std::string& str, bool is_name) {
- saves_.push_back(str);
- last_save_name_ = is_name;
-}
-
-std::string Demangler::GetArgumentsString() {
- size_t num_args = cur_state_.args.size();
- std::string arg_str;
- if (num_args > 0) {
- arg_str = cur_state_.args[0];
- for (size_t i = 1; i < num_args; i++) {
- arg_str += ", " + cur_state_.args[i];
- }
- }
- return arg_str;
-}
-
-const char* Demangler::AppendOperatorString(const char* name) {
- const char* oper = nullptr;
- switch (*name) {
- case 'a':
- name++;
- switch (*name) {
- case 'a':
- oper = "operator&&";
- break;
- case 'd':
- case 'n':
- oper = "operator&";
- break;
- case 'N':
- oper = "operator&=";
- break;
- case 'S':
- oper = "operator=";
- break;
- }
- break;
- case 'c':
- name++;
- switch (*name) {
- case 'l':
- oper = "operator()";
- break;
- case 'm':
- oper = "operator,";
- break;
- case 'o':
- oper = "operator~";
- break;
- }
- break;
- case 'd':
- name++;
- switch (*name) {
- case 'a':
- oper = "operator delete[]";
- break;
- case 'e':
- oper = "operator*";
- break;
- case 'l':
- oper = "operator delete";
- break;
- case 'v':
- oper = "operator/";
- break;
- case 'V':
- oper = "operator/=";
- break;
- }
- break;
- case 'e':
- name++;
- switch (*name) {
- case 'o':
- oper = "operator^";
- break;
- case 'O':
- oper = "operator^=";
- break;
- case 'q':
- oper = "operator==";
- break;
- }
- break;
- case 'g':
- name++;
- switch (*name) {
- case 'e':
- oper = "operator>=";
- break;
- case 't':
- oper = "operator>";
- break;
- }
- break;
- case 'i':
- name++;
- switch (*name) {
- case 'x':
- oper = "operator[]";
- break;
- }
- break;
- case 'l':
- name++;
- switch (*name) {
- case 'e':
- oper = "operator<=";
- break;
- case 's':
- oper = "operator<<";
- break;
- case 'S':
- oper = "operator<<=";
- break;
- case 't':
- oper = "operator<";
- break;
- }
- break;
- case 'm':
- name++;
- switch (*name) {
- case 'i':
- oper = "operator-";
- break;
- case 'I':
- oper = "operator-=";
- break;
- case 'l':
- oper = "operator*";
- break;
- case 'L':
- oper = "operator*=";
- break;
- case 'm':
- oper = "operator--";
- break;
- }
- break;
- case 'n':
- name++;
- switch (*name) {
- case 'a':
- oper = "operator new[]";
- break;
- case 'e':
- oper = "operator!=";
- break;
- case 'g':
- oper = "operator-";
- break;
- case 't':
- oper = "operator!";
- break;
- case 'w':
- oper = "operator new";
- break;
- }
- break;
- case 'o':
- name++;
- switch (*name) {
- case 'o':
- oper = "operator||";
- break;
- case 'r':
- oper = "operator|";
- break;
- case 'R':
- oper = "operator|=";
- break;
- }
- break;
- case 'p':
- name++;
- switch (*name) {
- case 'm':
- oper = "operator->*";
- break;
- case 'l':
- oper = "operator+";
- break;
- case 'L':
- oper = "operator+=";
- break;
- case 'p':
- oper = "operator++";
- break;
- case 's':
- oper = "operator+";
- break;
- case 't':
- oper = "operator->";
- break;
- }
- break;
- case 'q':
- name++;
- switch (*name) {
- case 'u':
- oper = "operator?";
- break;
- }
- break;
- case 'r':
- name++;
- switch (*name) {
- case 'm':
- oper = "operator%";
- break;
- case 'M':
- oper = "operator%=";
- break;
- case 's':
- oper = "operator>>";
- break;
- case 'S':
- oper = "operator>>=";
- break;
- }
- break;
- }
- if (oper == nullptr) {
- return nullptr;
- }
- AppendCurrent(oper);
- cur_state_.last_save = oper;
- return name + 1;
-}
-
-const char* Demangler::GetStringFromLength(const char* name, std::string* str) {
- assert(std::isdigit(*name));
-
- size_t length = *name - '0';
- name++;
- while (*name != '\0' && std::isdigit(*name)) {
- length = length * 10 + *name - '0';
- name++;
- }
-
- std::string read_str;
- while (*name != '\0' && length != 0) {
- read_str += *name;
- name++;
- length--;
- }
- if (length != 0) {
- return nullptr;
- }
- // Special replacement of _GLOBAL__N_1 to (anonymous namespace).
- if (read_str == "_GLOBAL__N_1") {
- *str += "(anonymous namespace)";
- } else {
- *str += read_str;
- }
- return name;
-}
-
-void Demangler::AppendCurrent(const std::string& str) {
- if (!cur_state_.str.empty()) {
- cur_state_.str += "::";
- }
- cur_state_.str += str;
-}
-
-void Demangler::AppendCurrent(const char* str) {
- if (!cur_state_.str.empty()) {
- cur_state_.str += "::";
- }
- cur_state_.str += str;
-}
-
-const char* Demangler::ParseS(const char* name) {
- if (std::islower(*name)) {
- const char* type = kSTypes[*name - 'a'];
- if (type == nullptr) {
- return nullptr;
- }
- AppendCurrent(type);
- return name + 1;
- }
-
- if (saves_.empty()) {
- return nullptr;
- }
-
- if (*name == '_') {
- last_save_name_ = false;
- AppendCurrent(saves_[0]);
- return name + 1;
- }
-
- bool isdigit = std::isdigit(*name);
- if (!isdigit && !std::isupper(*name)) {
- return nullptr;
- }
-
- size_t index;
- if (isdigit) {
- index = *name - '0' + 1;
- } else {
- index = *name - 'A' + 11;
- }
- name++;
- if (*name != '_') {
- return nullptr;
- }
-
- if (index >= saves_.size()) {
- return nullptr;
- }
-
- last_save_name_ = false;
- AppendCurrent(saves_[index]);
- return name + 1;
-}
-
-const char* Demangler::ParseT(const char* name) {
- if (template_saves_.empty()) {
- return nullptr;
- }
-
- if (*name == '_') {
- last_save_name_ = false;
- AppendCurrent(template_saves_[0]);
- return name + 1;
- }
-
- // Need to get the total number.
- char* end;
- unsigned long int index = strtoul(name, &end, 10) + 1;
- if (name == end || *end != '_') {
- return nullptr;
- }
-
- if (index >= template_saves_.size()) {
- return nullptr;
- }
-
- last_save_name_ = false;
- AppendCurrent(template_saves_[index]);
- return end + 1;
-}
-
-const char* Demangler::ParseFunctionName(const char* name) {
- if (*name == 'E') {
- if (parse_funcs_.empty()) {
- return nullptr;
- }
- parse_func_ = parse_funcs_.back();
- parse_funcs_.pop_back();
-
- // Remove the last saved part so that the full function name is not saved.
- // But only if the last save was not something like a substitution.
- if (!saves_.empty() && last_save_name_) {
- saves_.pop_back();
- }
-
- function_name_ += cur_state_.str;
- while (!cur_state_.suffixes.empty()) {
- function_suffix_ += cur_state_.suffixes.back();
- cur_state_.suffixes.pop_back();
- }
- cur_state_.Clear();
-
- return name + 1;
- }
-
- if (*name == 'I') {
- state_stack_.push(cur_state_);
- cur_state_.Clear();
-
- parse_funcs_.push_back(parse_func_);
- parse_func_ = &Demangler::ParseFunctionNameTemplate;
- return name + 1;
- }
-
- return ParseComplexString(name);
-}
-
-const char* Demangler::ParseFunctionNameTemplate(const char* name) {
- if (*name == 'E' && name[1] == 'E') {
- // Only consider this a template with saves if it is right before
- // the end of the name.
- template_found_ = true;
- template_saves_ = cur_state_.args;
- }
- return ParseTemplateArgumentsComplex(name);
-}
-
-const char* Demangler::ParseComplexArgument(const char* name) {
- if (*name == 'E') {
- if (parse_funcs_.empty()) {
- return nullptr;
- }
- parse_func_ = parse_funcs_.back();
- parse_funcs_.pop_back();
-
- AppendArgument(cur_state_.str);
- cur_state_.str.clear();
-
- return name + 1;
- }
-
- return ParseComplexString(name);
-}
-
-void Demangler::FinalizeTemplate() {
- std::string arg_str(GetArgumentsString());
- cur_state_ = state_stack_.top();
- state_stack_.pop();
- cur_state_.str += '<' + arg_str + '>';
-}
-
-const char* Demangler::ParseComplexString(const char* name) {
- if (*name == 'S') {
- name++;
- if (*name == 't') {
- AppendCurrent("std");
- return name + 1;
- }
- return ParseS(name);
- }
- if (*name == 'L') {
- name++;
- if (!std::isdigit(*name)) {
- return nullptr;
- }
- }
- if (std::isdigit(*name)) {
- std::string str;
- name = GetStringFromLength(name, &str);
- if (name == nullptr) {
- return name;
- }
- AppendCurrent(str);
- Save(cur_state_.str, true);
- cur_state_.last_save = std::move(str);
- return name;
- }
- if (*name == 'D') {
- name++;
- if (saves_.empty() || (*name != '0' && *name != '1' && *name != '2'
- && *name != '5')) {
- return nullptr;
- }
- last_save_name_ = false;
- AppendCurrent("~" + cur_state_.last_save);
- return name + 1;
- }
- if (*name == 'C') {
- name++;
- if (saves_.empty() || (*name != '1' && *name != '2' && *name != '3'
- && *name != '5')) {
- return nullptr;
- }
- last_save_name_ = false;
- AppendCurrent(cur_state_.last_save);
- return name + 1;
- }
- if (*name == 'K') {
- cur_state_.suffixes.push_back(" const");
- return name + 1;
- }
- if (*name == 'V') {
- cur_state_.suffixes.push_back(" volatile");
- return name + 1;
- }
- if (*name == 'I') {
- // Save the current argument state.
- state_stack_.push(cur_state_);
- cur_state_.Clear();
-
- parse_funcs_.push_back(parse_func_);
- parse_func_ = &Demangler::ParseTemplateArgumentsComplex;
- return name + 1;
- }
- name = AppendOperatorString(name);
- if (name != nullptr) {
- Save(cur_state_.str, true);
- }
- return name;
-}
-
-void Demangler::AppendArgument(const std::string& str) {
- std::string arg(str);
- while (!cur_state_.suffixes.empty()) {
- arg += cur_state_.suffixes.back();
- cur_state_.suffixes.pop_back();
- Save(arg, false);
- }
- cur_state_.args.push_back(arg);
-}
-
-const char* Demangler::ParseFunctionArgument(const char* name) {
- if (*name == 'E') {
- // The first argument is the function modifier.
- // The second argument is the function type.
- // The third argument is the return type of the function.
- // The rest of the arguments are the function arguments.
- size_t num_args = cur_state_.args.size();
- if (num_args < 4) {
- return nullptr;
- }
- std::string function_modifier = cur_state_.args[0];
- std::string function_type = cur_state_.args[1];
-
- std::string str = cur_state_.args[2] + ' ';
- if (!cur_state_.args[1].empty()) {
- str += '(' + cur_state_.args[1] + ')';
- }
-
- if (num_args == 4 && cur_state_.args[3] == "void") {
- str += "()";
- } else {
- str += '(' + cur_state_.args[3];
- for (size_t i = 4; i < num_args; i++) {
- str += ", " + cur_state_.args[i];
- }
- str += ')';
- }
- str += cur_state_.args[0];
-
- cur_state_ = state_stack_.top();
- state_stack_.pop();
- cur_state_.args.emplace_back(std::move(str));
-
- parse_func_ = parse_funcs_.back();
- parse_funcs_.pop_back();
- return name + 1;
- }
- return ParseArguments(name);
-}
-
-const char* Demangler::ParseArguments(const char* name) {
- switch (*name) {
- case 'P':
- cur_state_.suffixes.push_back("*");
- return name + 1;
-
- case 'R':
- // This should always be okay because the string is guaranteed to have
- // at least two characters before this. A mangled string always starts
- // with _Z.
- if (name[-1] != 'R') {
- // Multiple 'R's in a row only add a single &.
- cur_state_.suffixes.push_back("&");
- }
- return name + 1;
-
- case 'O':
- cur_state_.suffixes.push_back("&&");
- return name + 1;
-
- case 'K':
- case 'V': {
- const char* suffix;
- if (*name == 'K') {
- suffix = " const";
- } else {
- suffix = " volatile";
- }
- if (!cur_state_.suffixes.empty() && (name[-1] == 'K' || name[-1] == 'V')) {
- // Special case, const/volatile apply as a single entity.
- size_t index = cur_state_.suffixes.size();
- cur_state_.suffixes[index-1].insert(0, suffix);
- } else {
- cur_state_.suffixes.push_back(suffix);
- }
- return name + 1;
- }
-
- case 'F': {
- std::string function_modifier;
- std::string function_type;
- if (!cur_state_.suffixes.empty()) {
- // If the first element starts with a ' ', then this modifies the
- // function itself.
- if (cur_state_.suffixes.back()[0] == ' ') {
- function_modifier = cur_state_.suffixes.back();
- cur_state_.suffixes.pop_back();
- }
- while (!cur_state_.suffixes.empty()) {
- function_type += cur_state_.suffixes.back();
- cur_state_.suffixes.pop_back();
- }
- }
-
- state_stack_.push(cur_state_);
-
- cur_state_.Clear();
-
- // The function parameter has this format:
- // First argument is the function modifier.
- // Second argument is the function type.
- // Third argument will be the return function type but has not
- // been parsed yet.
- // Any other parameters are the arguments to the function. There
- // must be at least one or this isn't valid.
- cur_state_.args.push_back(function_modifier);
- cur_state_.args.push_back(function_type);
-
- parse_funcs_.push_back(parse_func_);
- parse_func_ = &Demangler::ParseFunctionArgument;
- return name + 1;
- }
-
- case 'N':
- parse_funcs_.push_back(parse_func_);
- parse_func_ = &Demangler::ParseComplexArgument;
- return name + 1;
-
- case 'S':
- name++;
- if (*name == 't') {
- cur_state_.str = "std::";
- return name + 1;
- }
- name = ParseS(name);
- if (name == nullptr) {
- return nullptr;
- }
- AppendArgument(cur_state_.str);
- cur_state_.str.clear();
- return name;
-
- case 'D':
- name++;
- if (*name >= 'a' && *name <= 'z') {
- const char* arg = Demangler::kDTypes[*name - 'a'];
- if (arg == nullptr) {
- return nullptr;
- }
- AppendArgument(arg);
- return name + 1;
- }
- return nullptr;
-
- case 'I':
- // Save the current argument state.
- state_stack_.push(cur_state_);
- cur_state_.Clear();
-
- parse_funcs_.push_back(parse_func_);
- parse_func_ = &Demangler::ParseTemplateArguments;
- return name + 1;
-
- case 'v':
- AppendArgument("void");
- return name + 1;
-
- default:
- if (*name >= 'a' && *name <= 'z') {
- const char* arg = Demangler::kTypes[*name - 'a'];
- if (arg == nullptr) {
- return nullptr;
- }
- AppendArgument(arg);
- return name + 1;
- } else if (std::isdigit(*name)) {
- std::string arg = cur_state_.str;
- name = GetStringFromLength(name, &arg);
- if (name == nullptr) {
- return nullptr;
- }
- Save(arg, true);
- if (*name == 'I') {
- // There is one case where this argument is not complete, and that's
- // where this is a template argument.
- cur_state_.str = arg;
- } else {
- AppendArgument(arg);
- cur_state_.str.clear();
- }
- return name;
- } else if (strcmp(name, ".cfi") == 0) {
- function_suffix_ += " [clone .cfi]";
- return name + 4;
- }
- }
- return nullptr;
-}
-
-const char* Demangler::ParseTemplateLiteral(const char* name) {
- if (*name == 'E') {
- parse_func_ = parse_funcs_.back();
- parse_funcs_.pop_back();
- return name + 1;
- }
- // Only understand boolean values with 0 or 1.
- if (*name == 'b') {
- name++;
- if (*name == '0') {
- AppendArgument("false");
- cur_state_.str.clear();
- } else if (*name == '1') {
- AppendArgument("true");
- cur_state_.str.clear();
- } else {
- return nullptr;
- }
- return name + 1;
- }
- return nullptr;
-}
-
-const char* Demangler::ParseTemplateArgumentsComplex(const char* name) {
- if (*name == 'E') {
- if (parse_funcs_.empty()) {
- return nullptr;
- }
- parse_func_ = parse_funcs_.back();
- parse_funcs_.pop_back();
-
- FinalizeTemplate();
- Save(cur_state_.str, false);
- return name + 1;
- } else if (*name == 'L') {
- // Literal value for a template.
- parse_funcs_.push_back(parse_func_);
- parse_func_ = &Demangler::ParseTemplateLiteral;
- return name + 1;
- }
-
- return ParseArguments(name);
-}
-
-const char* Demangler::ParseTemplateArguments(const char* name) {
- if (*name == 'E') {
- if (parse_funcs_.empty()) {
- return nullptr;
- }
- parse_func_ = parse_funcs_.back();
- parse_funcs_.pop_back();
- FinalizeTemplate();
- AppendArgument(cur_state_.str);
- cur_state_.str.clear();
- return name + 1;
- } else if (*name == 'L') {
- // Literal value for a template.
- parse_funcs_.push_back(parse_func_);
- parse_func_ = &Demangler::ParseTemplateLiteral;
- return name + 1;
- }
-
- return ParseArguments(name);
-}
-
-const char* Demangler::ParseFunctionTemplateArguments(const char* name) {
- if (*name == 'E') {
- parse_func_ = parse_funcs_.back();
- parse_funcs_.pop_back();
-
- function_name_ += '<' + GetArgumentsString() + '>';
- template_found_ = true;
- template_saves_ = cur_state_.args;
- cur_state_.Clear();
- return name + 1;
- }
- return ParseTemplateArgumentsComplex(name);
-}
-
-const char* Demangler::FindFunctionName(const char* name) {
- if (*name == 'T') {
- // non-virtual thunk, verify that it matches one of these patterns:
- // Thn[0-9]+_
- // Th[0-9]+_
- // Thn_
- // Th_
- name++;
- if (*name != 'h') {
- return nullptr;
- }
- name++;
- if (*name == 'n') {
- name++;
- }
- while (std::isdigit(*name)) {
- name++;
- }
- if (*name != '_') {
- return nullptr;
- }
- function_name_ = "non-virtual thunk to ";
- return name + 1;
- }
-
- if (*name == 'N') {
- parse_funcs_.push_back(&Demangler::ParseArgumentsAtTopLevel);
- parse_func_ = &Demangler::ParseFunctionName;
- return name + 1;
- }
-
- if (*name == 'S') {
- name++;
- if (*name == 't') {
- function_name_ = "std::";
- name++;
- } else {
- return nullptr;
- }
- }
-
- if (std::isdigit(*name)) {
- name = GetStringFromLength(name, &function_name_);
- } else if (*name == 'L' && std::isdigit(name[1])) {
- name = GetStringFromLength(name + 1, &function_name_);
- } else {
- name = AppendOperatorString(name);
- function_name_ = cur_state_.str;
- }
- cur_state_.Clear();
-
- // Check for a template argument, which will still be part of the function
- // name.
- if (name != nullptr && *name == 'I') {
- parse_funcs_.push_back(&Demangler::ParseArgumentsAtTopLevel);
- parse_func_ = &Demangler::ParseFunctionTemplateArguments;
- return name + 1;
- }
- parse_func_ = &Demangler::ParseArgumentsAtTopLevel;
- return name;
-}
-
-const char* Demangler::ParseArgumentsAtTopLevel(const char* name) {
- // At the top level is the only place where T is allowed.
- if (*name == 'T') {
- name++;
- name = ParseT(name);
- if (name == nullptr) {
- return nullptr;
- }
- AppendArgument(cur_state_.str);
- cur_state_.str.clear();
- return name;
- }
-
- return Demangler::ParseArguments(name);
-}
-
-std::string Demangler::Parse(const char* name, size_t max_length) {
- if (name[0] == '\0' || name[0] != '_' || name[1] == '\0' || name[1] != 'Z') {
- // Name is not mangled.
- return name;
- }
-
- Clear();
-
- parse_func_ = &Demangler::FindFunctionName;
- parse_funcs_.push_back(&Demangler::Fail);
- const char* cur_name = name + 2;
- while (cur_name != nullptr && *cur_name != '\0'
- && static_cast<size_t>(cur_name - name) < max_length) {
- cur_name = (this->*parse_func_)(cur_name);
- }
- if (cur_name == nullptr || *cur_name != '\0' || function_name_.empty() ||
- !cur_state_.suffixes.empty()) {
- return name;
- }
-
- std::string return_type;
- if (template_found_) {
- // Only a single argument with a template is not allowed.
- if (cur_state_.args.size() == 1) {
- return name;
- }
-
- // If there are at least two arguments, this template has a return type.
- if (cur_state_.args.size() > 1) {
- // The first argument will be the return value.
- return_type = cur_state_.args[0] + ' ';
- cur_state_.args.erase(cur_state_.args.begin());
- }
- }
-
- std::string arg_str;
- if (cur_state_.args.size() == 1 && cur_state_.args[0] == "void") {
- // If the only argument is void, then don't print any args.
- arg_str = "()";
- } else {
- arg_str = GetArgumentsString();
- if (!arg_str.empty()) {
- arg_str = '(' + arg_str + ')';
- }
- }
- return return_type + function_name_ + arg_str + function_suffix_;
-}
-
-std::string demangle(const char* name) {
- Demangler demangler;
- return demangler.Parse(name);
-}
diff --git a/demangle/Demangler.h b/demangle/Demangler.h
deleted file mode 100644
index 3b7d44e..0000000
--- a/demangle/Demangler.h
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef __LIB_DEMANGLE_DEMANGLER_H
-#define __LIB_DEMANGLE_DEMANGLER_H
-
-#include <assert.h>
-
-#include <stack>
-#include <string>
-#include <vector>
-
-class Demangler {
- public:
- Demangler() = default;
-
- // NOTE: The max_length is not guaranteed to be the absolute max length
- // of a string that will be rejected. Under certain circumstances the
- // length check will not occur until after the second letter of a pair
- // is checked.
- std::string Parse(const char* name, size_t max_length = kMaxDefaultLength);
-
- void AppendCurrent(const std::string& str);
- void AppendCurrent(const char* str);
- void AppendArgument(const std::string& str);
- std::string GetArgumentsString();
- void FinalizeTemplate();
- const char* ParseS(const char* name);
- const char* ParseT(const char* name);
- const char* AppendOperatorString(const char* name);
- void Save(const std::string& str, bool is_name);
-
- private:
- void Clear() {
- parse_funcs_.clear();
- function_name_.clear();
- function_suffix_.clear();
- first_save_.clear();
- cur_state_.Clear();
- saves_.clear();
- template_saves_.clear();
- while (!state_stack_.empty()) {
- state_stack_.pop();
- }
- last_save_name_ = false;
- template_found_ = false;
- }
-
- using parse_func_type = const char* (Demangler::*)(const char*);
- parse_func_type parse_func_;
- std::vector<parse_func_type> parse_funcs_;
- std::vector<std::string> saves_;
- std::vector<std::string> template_saves_;
- bool last_save_name_;
- bool template_found_;
-
- std::string function_name_;
- std::string function_suffix_;
-
- struct StateData {
- void Clear() {
- str.clear();
- args.clear();
- prefix.clear();
- suffixes.clear();
- last_save.clear();
- }
-
- std::string str;
- std::vector<std::string> args;
- std::string prefix;
- std::vector<std::string> suffixes;
- std::string last_save;
- };
- std::stack<StateData> state_stack_;
- std::string first_save_;
- StateData cur_state_;
-
- static const char* GetStringFromLength(const char* name, std::string* str);
-
- // Parsing functions.
- const char* ParseComplexString(const char* name);
- const char* ParseComplexArgument(const char* name);
- const char* ParseArgumentsAtTopLevel(const char* name);
- const char* ParseArguments(const char* name);
- const char* ParseTemplateArguments(const char* name);
- const char* ParseTemplateArgumentsComplex(const char* name);
- const char* ParseTemplateLiteral(const char* name);
- const char* ParseFunctionArgument(const char* name);
- const char* ParseFunctionName(const char* name);
- const char* ParseFunctionNameTemplate(const char* name);
- const char* ParseFunctionTemplateArguments(const char* name);
- const char* FindFunctionName(const char* name);
- const char* Fail(const char*) { return nullptr; }
-
- // The default maximum string length string to process.
- static constexpr size_t kMaxDefaultLength = 2048;
-
- static constexpr const char* kTypes[] = {
- "signed char", // a
- "bool", // b
- "char", // c
- "double", // d
- "long double", // e
- "float", // f
- "__float128", // g
- "unsigned char", // h
- "int", // i
- "unsigned int", // j
- nullptr, // k
- "long", // l
- "unsigned long", // m
- "__int128", // n
- "unsigned __int128", // o
- nullptr, // p
- nullptr, // q
- nullptr, // r
- "short", // s
- "unsigned short", // t
- nullptr, // u
- "void", // v
- "wchar_t", // w
- "long long", // x
- "unsigned long long", // y
- "...", // z
- };
-
- static constexpr const char* kDTypes[] = {
- "auto", // a
- nullptr, // b
- nullptr, // c
- "decimal64", // d
- "decimal128", // e
- "decimal32", // f
- nullptr, // g
- "half", // h
- "char32_t", // i
- nullptr, // j
- nullptr, // k
- nullptr, // l
- nullptr, // m
- "decltype(nullptr)", // n
- nullptr, // o
- nullptr, // p
- nullptr, // q
- nullptr, // r
- "char16_t", // s
- nullptr, // t
- nullptr, // u
- nullptr, // v
- nullptr, // w
- nullptr, // x
- nullptr, // y
- nullptr, // z
- };
-
- static constexpr const char* kSTypes[] = {
- "std::allocator", // a
- "std::basic_string", // b
- nullptr, // c
- "std::iostream", // d
- nullptr, // e
- nullptr, // f
- nullptr, // g
- nullptr, // h
- "std::istream", // i
- nullptr, // j
- nullptr, // k
- nullptr, // l
- nullptr, // m
- nullptr, // n
- "std::ostream", // o
- nullptr, // p
- nullptr, // q
- nullptr, // r
- "std::string", // s
- nullptr, // t
- nullptr, // u
- nullptr, // v
- nullptr, // w
- nullptr, // x
- nullptr, // y
- nullptr, // z
- };
-};
-
-#endif // __LIB_DEMANGLE_DEMANGLER_H
diff --git a/demangle/OWNERS b/demangle/OWNERS
deleted file mode 100644
index 6f7e4a3..0000000
--- a/demangle/OWNERS
+++ /dev/null
@@ -1 +0,0 @@
-cferris@google.com
diff --git a/demangle/demangle.cpp b/demangle/demangle.cpp
deleted file mode 100644
index 66e5e58..0000000
--- a/demangle/demangle.cpp
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <getopt.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <cctype>
-#include <string>
-
-#include <demangle.h>
-
-extern "C" char* __cxa_demangle(const char*, char*, size_t*, int*);
-
-static void Usage(const char* prog_name) {
- printf("usage: %s [-c] [NAME_TO_DEMANGLE...]\n", prog_name);
- printf("\n");
- printf("Demangles C++ mangled names if supplied on the command-line, or found\n");
- printf("reading from stdin otherwise.\n");
- printf("\n");
- printf("-c\tCompare against __cxa_demangle\n");
- printf("\n");
-}
-
-static std::string DemangleWithCxa(const char* name) {
- const char* cxa_demangle = __cxa_demangle(name, nullptr, nullptr, nullptr);
- if (cxa_demangle == nullptr) {
- return name;
- }
-
- // The format of our demangler is slightly different from the cxa demangler
- // so modify the cxa demangler output. Specifically, for templates, remove
- // the spaces between '>' and '>'.
- std::string demangled_str;
- for (size_t i = 0; i < strlen(cxa_demangle); i++) {
- if (i > 2 && cxa_demangle[i] == '>' && std::isspace(cxa_demangle[i - 1]) &&
- cxa_demangle[i - 2] == '>') {
- demangled_str.resize(demangled_str.size() - 1);
- }
- demangled_str += cxa_demangle[i];
- }
- return demangled_str;
-}
-
-static void Compare(const char* name, const std::string& demangled_name) {
- std::string cxa_demangled_name(DemangleWithCxa(name));
- if (cxa_demangled_name != demangled_name) {
- printf("\nMismatch!\n");
- printf("\tmangled name: %s\n", name);
- printf("\tour demangle: %s\n", demangled_name.c_str());
- printf("\tcxa demangle: %s\n", cxa_demangled_name.c_str());
- exit(1);
- }
-}
-
-static int Filter(bool compare) {
- char* line = nullptr;
- size_t line_length = 0;
-
- while ((getline(&line, &line_length, stdin)) != -1) {
- char* p = line;
- char* name;
- while ((name = strstr(p, "_Z")) != nullptr) {
- // Output anything before the identifier.
- *name = 0;
- printf("%s", p);
- *name = '_';
-
- // Extract the identifier.
- p = name;
- while (*p && (std::isalnum(*p) || *p == '_' || *p == '.' || *p == '$')) ++p;
-
- // Demangle and output.
- std::string identifier(name, p);
- std::string demangled_name = demangle(identifier.c_str());
- printf("%s", demangled_name.c_str());
-
- if (compare) Compare(identifier.c_str(), demangled_name);
- }
- // Output anything after the last identifier.
- printf("%s", p);
- }
-
- free(line);
- return 0;
-}
-
-int main(int argc, char** argv) {
-#ifdef __BIONIC__
- const char* prog_name = getprogname();
-#else
- const char* prog_name = argv[0];
-#endif
-
- bool compare = false;
- int opt_char;
- while ((opt_char = getopt(argc, argv, "c")) != -1) {
- if (opt_char == 'c') {
- compare = true;
- } else {
- Usage(prog_name);
- return 1;
- }
- }
-
- // With no arguments, act as a filter.
- if (optind == argc) return Filter(compare);
-
- // Otherwise demangle each argument.
- while (optind < argc) {
- const char* name = argv[optind++];
- std::string demangled_name = demangle(name);
- printf("%s\n", demangled_name.c_str());
-
- if (compare) Compare(name, demangled_name);
- }
- return 0;
-}
diff --git a/demangle/demangle_fuzzer.cpp b/demangle/demangle_fuzzer.cpp
deleted file mode 100644
index 83fafc2..0000000
--- a/demangle/demangle_fuzzer.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stddef.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <string>
-
-#include "Demangler.h"
-
-extern "C" void LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
- std::vector<char> data_str(size + 1);
- memcpy(data_str.data(), data, size);
- data_str[size] = '\0';
-
- Demangler demangler;
- std::string demangled_name = demangler.Parse(data_str.data());
- if (size != 0 && data_str[0] != '\0' && demangled_name.empty()) {
- abort();
- }
-}
diff --git a/demangle/include/demangle.h b/demangle/include/demangle.h
deleted file mode 100644
index 01f1b80..0000000
--- a/demangle/include/demangle.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef __LIB_DEMANGLE_H_
-#define __LIB_DEMANGLE_H_
-
-#include <string>
-
-// If the name cannot be demangled, the original name will be returned as
-// a std::string. If the name can be demangled, then the demangled name
-// will be returned as a std::string.
-std::string demangle(const char* name);
-
-#endif // __LIB_DEMANGLE_H_
diff --git a/fs_mgr/libsnapshot/Android.bp b/fs_mgr/libsnapshot/Android.bp
new file mode 100644
index 0000000..3a08049
--- /dev/null
+++ b/fs_mgr/libsnapshot/Android.bp
@@ -0,0 +1,36 @@
+//
+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_library {
+ name: "libsnapshot",
+ recovery_available: true,
+ defaults: ["fs_mgr_defaults"],
+ cppflags: [
+ "-D_FILE_OFFSET_BITS=64",
+ ],
+ srcs: [
+ "snapshot.cpp",
+ ],
+ shared_libs: [
+ "libbase",
+ "liblog",
+ ],
+ static_libs: [
+ "libdm",
+ "libext2_uuid",
+ ],
+ export_include_dirs: ["include"],
+}
diff --git a/fs_mgr/libsnapshot/OWNERS b/fs_mgr/libsnapshot/OWNERS
new file mode 100644
index 0000000..0cfa7e4
--- /dev/null
+++ b/fs_mgr/libsnapshot/OWNERS
@@ -0,0 +1,2 @@
+dvander@google.com
+elsk@google.com
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h b/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h
new file mode 100644
index 0000000..5cfd7fa
--- /dev/null
+++ b/fs_mgr/libsnapshot/include/libsnapshot/snapshot.h
@@ -0,0 +1,88 @@
+// Copyright (C) 2019 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+#include <stdint.h>
+
+#include <chrono>
+#include <memory>
+#include <string>
+
+namespace android {
+namespace snapshot {
+
+enum class UpdateStatus {
+ // No update or merge is in progress.
+ None,
+
+ // An update is pending, but has not been successfully booted yet.
+ Unverified,
+
+ // The kernel is merging in the background.
+ Merging,
+
+ // Merging is complete, and needs to be acknowledged.
+ MergeCompleted
+};
+
+class SnapshotManager final {
+ public:
+ // Return a new SnapshotManager instance, or null on error.
+ static std::unique_ptr<SnapshotManager> New();
+
+ // Create a new snapshot device with the given name, base device, and COW device
+ // size. The new device path will be returned in |dev_path|. If timeout_ms is
+ // greater than zero, this function will wait the given amount of time for
+ // |dev_path| to become available, and fail otherwise. If timeout_ms is 0, then
+ // no wait will occur and |dev_path| may not yet exist on return.
+ bool CreateSnapshot(const std::string& name, const std::string& base_device, uint64_t cow_size,
+ std::string* dev_path, const std::chrono::milliseconds& timeout_ms);
+
+ // Map a snapshot device that was previously created with CreateSnapshot.
+ // If a merge was previously initiated, the device-mapper table will have a
+ // snapshot-merge target instead of a snapshot target. The timeout parameter
+ // is the same as in CreateSnapshotDevice.
+ bool MapSnapshotDevice(const std::string& name, const std::string& base_device,
+ const std::chrono::milliseconds& timeout_ms, std::string* dev_path);
+
+ // Unmap a snapshot device previously mapped with MapSnapshotDevice().
+ bool UnmapSnapshotDevice(const std::string& name);
+
+ // Remove the backing copy-on-write image for the named snapshot. If the
+ // device is still mapped, this will attempt an Unmap, and fail if the
+ // unmap fails.
+ bool DeleteSnapshot(const std::string& name);
+
+ // Initiate a merge on all snapshot devices. This should only be used after an
+ // update has been marked successful after booting.
+ bool InitiateMerge();
+
+ // Wait for the current merge to finish, then perform cleanup when it
+ // completes. It is necessary to call this after InitiateMerge(), or when
+ // a merge is detected for the first time after boot.
+ bool WaitForMerge();
+
+ // Find the status of the current update, if any.
+ //
+ // |progress| depends on the returned status:
+ // None: 0
+ // Unverified: 0
+ // Merging: Value in the range [0, 100)
+ // MergeCompleted: 100
+ UpdateStatus GetUpdateStatus(double* progress);
+};
+
+} // namespace snapshot
+} // namespace android
diff --git a/fs_mgr/libsnapshot/snapshot.cpp b/fs_mgr/libsnapshot/snapshot.cpp
new file mode 100644
index 0000000..3e80239
--- /dev/null
+++ b/fs_mgr/libsnapshot/snapshot.cpp
@@ -0,0 +1,72 @@
+// Copyright (C) 2019 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <libsnapshot/snapshot.h>
+
+namespace android {
+namespace snapshot {
+
+std::unique_ptr<SnapshotManager> SnapshotManager::New() {
+ return std::make_unique<SnapshotManager>();
+}
+
+bool SnapshotManager::CreateSnapshot(const std::string& name, const std::string& base_device,
+ uint64_t cow_size, std::string* dev_path,
+ const std::chrono::milliseconds& timeout_ms) {
+ // (1) Create COW device using libgsi_image.
+ // (2) Create snapshot device using libdm + DmTargetSnapshot.
+ // (3) Record partition in /metadata/ota.
+ (void)name;
+ (void)base_device;
+ (void)cow_size;
+ (void)dev_path;
+ (void)timeout_ms;
+ return false;
+}
+
+bool SnapshotManager::MapSnapshotDevice(const std::string& name, const std::string& base_device,
+ const std::chrono::milliseconds& timeout_ms,
+ std::string* dev_path) {
+ (void)name;
+ (void)base_device;
+ (void)dev_path;
+ (void)timeout_ms;
+ return false;
+}
+
+bool SnapshotManager::UnmapSnapshotDevice(const std::string& name) {
+ (void)name;
+ return false;
+}
+
+bool SnapshotManager::DeleteSnapshot(const std::string& name) {
+ (void)name;
+ return false;
+}
+
+bool SnapshotManager::InitiateMerge() {
+ return false;
+}
+
+bool SnapshotManager::WaitForMerge() {
+ return false;
+}
+
+UpdateStatus SnapshotManager::GetUpdateStatus(double* progress) {
+ *progress = 0.0f;
+ return UpdateStatus::None;
+}
+
+} // namespace snapshot
+} // namespace android
diff --git a/init/reboot.cpp b/init/reboot.cpp
index cb54d34..b0b5b54 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -670,11 +670,18 @@
<< err;
}
} else if (reboot_target == "recovery") {
- const std::vector<std::string> options = {};
- std::string err;
- if (!write_bootloader_message(options, &err)) {
- LOG(ERROR) << "Failed to set bootloader message: " << err;
- return false;
+ bootloader_message boot = {};
+ if (std::string err; !read_bootloader_message(&boot, &err)) {
+ LOG(ERROR) << "Failed to read bootloader message: " << err;
+ }
+ // Update the boot command field if it's empty, and preserve
+ // the other arguments in the bootloader message.
+ if (boot.command[0] == '\0') {
+ strlcpy(boot.command, "boot-recovery", sizeof(boot.command));
+ if (std::string err; !write_bootloader_message(boot, &err)) {
+ LOG(ERROR) << "Failed to set bootloader message: " << err;
+ return false;
+ }
}
} else if (reboot_target == "sideload" || reboot_target == "sideload-auto-reboot" ||
reboot_target == "fastboot") {
diff --git a/libbacktrace/Android.bp b/libbacktrace/Android.bp
index 9ece847..565f2c3 100644
--- a/libbacktrace/Android.bp
+++ b/libbacktrace/Android.bp
@@ -97,7 +97,6 @@
cflags: ["-DNO_LIBDEXFILE_SUPPORT"],
},
},
- whole_static_libs: ["libdemangle"],
}
cc_test_library {
diff --git a/libbacktrace/Backtrace.cpp b/libbacktrace/Backtrace.cpp
index 71980d7..3e050ab 100644
--- a/libbacktrace/Backtrace.cpp
+++ b/libbacktrace/Backtrace.cpp
@@ -28,13 +28,13 @@
#include <backtrace/Backtrace.h>
#include <backtrace/BacktraceMap.h>
-#include <demangle.h>
-
#include "BacktraceLog.h"
#include "UnwindStack.h"
using android::base::StringPrintf;
+extern "C" char* __cxa_demangle(const char*, char*, size_t*, int*);
+
//-------------------------------------------------------------------------
// Backtrace functions.
//-------------------------------------------------------------------------
@@ -63,7 +63,14 @@
if (map->start == 0 || (map->flags & PROT_DEVICE_MAP)) {
return "";
}
- return demangle(GetFunctionNameRaw(pc, offset).c_str());
+ std::string name(GetFunctionNameRaw(pc, offset));
+ char* demangled_name = __cxa_demangle(name.c_str(), nullptr, nullptr, nullptr);
+ if (demangled_name != nullptr) {
+ name = demangled_name;
+ free(demangled_name);
+ return name;
+ }
+ return name;
}
bool Backtrace::VerifyReadWordArgs(uint64_t ptr, word_t* out_value) {
diff --git a/libbacktrace/UnwindStack.cpp b/libbacktrace/UnwindStack.cpp
index a128623..624711f 100644
--- a/libbacktrace/UnwindStack.cpp
+++ b/libbacktrace/UnwindStack.cpp
@@ -24,7 +24,6 @@
#include <string>
#include <backtrace/Backtrace.h>
-#include <demangle.h>
#include <unwindstack/Elf.h>
#include <unwindstack/MapInfo.h>
#include <unwindstack/Maps.h>
@@ -41,6 +40,8 @@
#include "UnwindStack.h"
#include "UnwindStackMap.h"
+extern "C" char* __cxa_demangle(const char*, char*, size_t*, int*);
+
bool Backtrace::Unwind(unwindstack::Regs* regs, BacktraceMap* back_map,
std::vector<backtrace_frame_data_t>* frames, size_t num_ignore_frames,
std::vector<std::string>* skip_names, BacktraceUnwindError* error) {
@@ -115,7 +116,13 @@
back_frame->pc = frame->pc;
back_frame->sp = frame->sp;
- back_frame->func_name = demangle(frame->function_name.c_str());
+ char* demangled_name = __cxa_demangle(frame->function_name.c_str(), nullptr, nullptr, nullptr);
+ if (demangled_name != nullptr) {
+ back_frame->func_name = demangled_name;
+ free(demangled_name);
+ } else {
+ back_frame->func_name = frame->function_name;
+ }
back_frame->func_offset = frame->function_offset;
back_frame->map.name = frame->map_name;
diff --git a/libmeminfo/Android.bp b/libmeminfo/Android.bp
index 8eb41b9..8dcc77b 100644
--- a/libmeminfo/Android.bp
+++ b/libmeminfo/Android.bp
@@ -26,6 +26,12 @@
"liblog",
"libprocinfo",
],
+ target: {
+ darwin: {
+ enabled: false,
+ },
+
+ },
}
cc_library {
diff --git a/libmeminfo/tools/Android.bp b/libmeminfo/tools/Android.bp
index a592a25..3968c09 100644
--- a/libmeminfo/tools/Android.bp
+++ b/libmeminfo/tools/Android.bp
@@ -67,6 +67,12 @@
"libbase",
"libmeminfo",
],
+
+ target: {
+ darwin: {
+ enabled: false,
+ },
+ },
}
cc_binary {
diff --git a/libnativeloader/Android.bp b/libnativeloader/Android.bp
index debc43f..b860db9 100644
--- a/libnativeloader/Android.bp
+++ b/libnativeloader/Android.bp
@@ -70,3 +70,27 @@
host_supported: true,
export_include_dirs: ["include"],
}
+
+cc_test {
+ name: "libnativeloader_test",
+ srcs: [
+ "native_loader_test.cpp",
+ "native_loader.cpp",
+ "library_namespaces.cpp",
+ "native_loader_namespace.cpp",
+ "public_libraries.cpp",
+ ],
+ cflags: ["-DANDROID"],
+ static_libs: [
+ "libbase",
+ "liblog",
+ "libnativehelper",
+ "libgmock",
+ ],
+ header_libs: [
+ "libnativebridge-headers",
+ "libnativeloader-headers",
+ ],
+ system_shared_libs: ["libc", "libm"],
+ test_suites: ["device-tests"],
+}
diff --git a/libnativeloader/TEST_MAPPING b/libnativeloader/TEST_MAPPING
new file mode 100644
index 0000000..7becb77
--- /dev/null
+++ b/libnativeloader/TEST_MAPPING
@@ -0,0 +1,12 @@
+{
+ "presubmit": [
+ {
+ "name": "libnativeloader_test"
+ }
+ ],
+ "imports": [
+ {
+ "path": "cts/tests/tests/jni"
+ }
+ ]
+}
diff --git a/libnativeloader/library_namespaces.h b/libnativeloader/library_namespaces.h
index fd46cdc..6e9a190 100644
--- a/libnativeloader/library_namespaces.h
+++ b/libnativeloader/library_namespaces.h
@@ -42,7 +42,10 @@
LibraryNamespaces& operator=(const LibraryNamespaces&) = delete;
void Initialize();
- void Reset() { namespaces_.clear(); }
+ void Reset() {
+ namespaces_.clear();
+ initialized_ = false;
+ }
NativeLoaderNamespace* Create(JNIEnv* env, uint32_t target_sdk_version, jobject class_loader,
bool is_shared, jstring dex_path, jstring java_library_path,
jstring java_permitted_path, std::string* error_msg);
diff --git a/libnativeloader/native_loader_test.cpp b/libnativeloader/native_loader_test.cpp
new file mode 100644
index 0000000..614188b
--- /dev/null
+++ b/libnativeloader/native_loader_test.cpp
@@ -0,0 +1,566 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <dlfcn.h>
+#include <memory>
+#include <unordered_map>
+
+#include <android-base/strings.h>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <jni.h>
+
+#include "native_loader_namespace.h"
+#include "nativeloader/dlext_namespaces.h"
+#include "nativeloader/native_loader.h"
+#include "public_libraries.h"
+
+using namespace ::testing;
+
+namespace android {
+namespace nativeloader {
+
+// gmock interface that represents interested platform APIs on libdl and libnativebridge
+class Platform {
+ public:
+ virtual ~Platform() {}
+
+ // libdl APIs
+ virtual void* dlopen(const char* filename, int flags) = 0;
+ virtual int dlclose(void* handle) = 0;
+ virtual char* dlerror(void) = 0;
+
+ // These mock_* are the APIs semantically the same across libdl and libnativebridge.
+ // Instead of having two set of mock APIs for the two, define only one set with an additional
+ // argument 'bool bridged' to identify the context (i.e., called for libdl or libnativebridge).
+ typedef char* mock_namespace_handle;
+ virtual bool mock_init_anonymous_namespace(bool bridged, const char* sonames,
+ const char* search_paths) = 0;
+ virtual mock_namespace_handle mock_create_namespace(
+ bool bridged, const char* name, const char* ld_library_path, const char* default_library_path,
+ uint64_t type, const char* permitted_when_isolated_path, mock_namespace_handle parent) = 0;
+ virtual bool mock_link_namespaces(bool bridged, mock_namespace_handle from,
+ mock_namespace_handle to, const char* sonames) = 0;
+ virtual mock_namespace_handle mock_get_exported_namespace(bool bridged, const char* name) = 0;
+ virtual void* mock_dlopen_ext(bool bridged, const char* filename, int flags,
+ mock_namespace_handle ns) = 0;
+
+ // libnativebridge APIs for which libdl has no corresponding APIs
+ virtual bool NativeBridgeInitialized() = 0;
+ virtual const char* NativeBridgeGetError() = 0;
+ virtual bool NativeBridgeIsPathSupported(const char*) = 0;
+ virtual bool NativeBridgeIsSupported(const char*) = 0;
+
+ // To mock "ClassLoader Object.getParent()"
+ virtual const char* JniObject_getParent(const char*) = 0;
+};
+
+// The mock does not actually create a namespace object. But simply casts the pointer to the
+// string for the namespace name as the handle to the namespace object.
+#define TO_ANDROID_NAMESPACE(str) \
+ reinterpret_cast<struct android_namespace_t*>(const_cast<char*>(str))
+
+#define TO_BRIDGED_NAMESPACE(str) \
+ reinterpret_cast<struct native_bridge_namespace_t*>(const_cast<char*>(str))
+
+#define TO_MOCK_NAMESPACE(ns) reinterpret_cast<Platform::mock_namespace_handle>(ns)
+
+// These represents built-in namespaces created by the linker according to ld.config.txt
+static std::unordered_map<std::string, Platform::mock_namespace_handle> namespaces = {
+ {"platform", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("platform"))},
+ {"default", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("default"))},
+ {"runtime", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("runtime"))},
+ {"sphal", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("sphal"))},
+ {"vndk", TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE("vndk"))},
+};
+
+// The actual gmock object
+class MockPlatform : public Platform {
+ public:
+ MockPlatform(bool is_bridged) : is_bridged_(is_bridged) {
+ ON_CALL(*this, NativeBridgeIsSupported(_)).WillByDefault(Return(is_bridged_));
+ ON_CALL(*this, NativeBridgeIsPathSupported(_)).WillByDefault(Return(is_bridged_));
+ ON_CALL(*this, mock_get_exported_namespace(_, _))
+ .WillByDefault(Invoke([](bool, const char* name) -> mock_namespace_handle {
+ if (namespaces.find(name) != namespaces.end()) {
+ return namespaces[name];
+ }
+ return nullptr;
+ }));
+ }
+
+ // Mocking libdl APIs
+ MOCK_METHOD2(dlopen, void*(const char*, int));
+ MOCK_METHOD1(dlclose, int(void*));
+ MOCK_METHOD0(dlerror, char*());
+
+ // Mocking the common APIs
+ MOCK_METHOD3(mock_init_anonymous_namespace, bool(bool, const char*, const char*));
+ MOCK_METHOD7(mock_create_namespace,
+ mock_namespace_handle(bool, const char*, const char*, const char*, uint64_t,
+ const char*, mock_namespace_handle));
+ MOCK_METHOD4(mock_link_namespaces,
+ bool(bool, mock_namespace_handle, mock_namespace_handle, const char*));
+ MOCK_METHOD2(mock_get_exported_namespace, mock_namespace_handle(bool, const char*));
+ MOCK_METHOD4(mock_dlopen_ext, void*(bool, const char*, int, mock_namespace_handle));
+
+ // Mocking libnativebridge APIs
+ MOCK_METHOD0(NativeBridgeInitialized, bool());
+ MOCK_METHOD0(NativeBridgeGetError, const char*());
+ MOCK_METHOD1(NativeBridgeIsPathSupported, bool(const char*));
+ MOCK_METHOD1(NativeBridgeIsSupported, bool(const char*));
+
+ // Mocking "ClassLoader Object.getParent()"
+ MOCK_METHOD1(JniObject_getParent, const char*(const char*));
+
+ private:
+ bool is_bridged_;
+};
+
+static std::unique_ptr<MockPlatform> mock;
+
+// Provide C wrappers for the mock object.
+extern "C" {
+void* dlopen(const char* file, int flag) {
+ return mock->dlopen(file, flag);
+}
+
+int dlclose(void* handle) {
+ return mock->dlclose(handle);
+}
+
+char* dlerror(void) {
+ return mock->dlerror();
+}
+
+bool android_init_anonymous_namespace(const char* sonames, const char* search_path) {
+ return mock->mock_init_anonymous_namespace(false, sonames, search_path);
+}
+
+struct android_namespace_t* android_create_namespace(const char* name, const char* ld_library_path,
+ const char* default_library_path,
+ uint64_t type,
+ const char* permitted_when_isolated_path,
+ struct android_namespace_t* parent) {
+ return TO_ANDROID_NAMESPACE(
+ mock->mock_create_namespace(false, name, ld_library_path, default_library_path, type,
+ permitted_when_isolated_path, TO_MOCK_NAMESPACE(parent)));
+}
+
+bool android_link_namespaces(struct android_namespace_t* from, struct android_namespace_t* to,
+ const char* sonames) {
+ return mock->mock_link_namespaces(false, TO_MOCK_NAMESPACE(from), TO_MOCK_NAMESPACE(to), sonames);
+}
+
+struct android_namespace_t* android_get_exported_namespace(const char* name) {
+ return TO_ANDROID_NAMESPACE(mock->mock_get_exported_namespace(false, name));
+}
+
+void* android_dlopen_ext(const char* filename, int flags, const android_dlextinfo* info) {
+ return mock->mock_dlopen_ext(false, filename, flags, TO_MOCK_NAMESPACE(info->library_namespace));
+}
+
+// libnativebridge APIs
+bool NativeBridgeIsSupported(const char* libpath) {
+ return mock->NativeBridgeIsSupported(libpath);
+}
+
+struct native_bridge_namespace_t* NativeBridgeGetExportedNamespace(const char* name) {
+ return TO_BRIDGED_NAMESPACE(mock->mock_get_exported_namespace(true, name));
+}
+
+struct native_bridge_namespace_t* NativeBridgeCreateNamespace(
+ const char* name, const char* ld_library_path, const char* default_library_path, uint64_t type,
+ const char* permitted_when_isolated_path, struct native_bridge_namespace_t* parent) {
+ return TO_BRIDGED_NAMESPACE(
+ mock->mock_create_namespace(true, name, ld_library_path, default_library_path, type,
+ permitted_when_isolated_path, TO_MOCK_NAMESPACE(parent)));
+}
+
+bool NativeBridgeLinkNamespaces(struct native_bridge_namespace_t* from,
+ struct native_bridge_namespace_t* to, const char* sonames) {
+ return mock->mock_link_namespaces(true, TO_MOCK_NAMESPACE(from), TO_MOCK_NAMESPACE(to), sonames);
+}
+
+void* NativeBridgeLoadLibraryExt(const char* libpath, int flag,
+ struct native_bridge_namespace_t* ns) {
+ return mock->mock_dlopen_ext(true, libpath, flag, TO_MOCK_NAMESPACE(ns));
+}
+
+bool NativeBridgeInitialized() {
+ return mock->NativeBridgeInitialized();
+}
+
+bool NativeBridgeInitAnonymousNamespace(const char* public_ns_sonames,
+ const char* anon_ns_library_path) {
+ return mock->mock_init_anonymous_namespace(true, public_ns_sonames, anon_ns_library_path);
+}
+
+const char* NativeBridgeGetError() {
+ return mock->NativeBridgeGetError();
+}
+
+bool NativeBridgeIsPathSupported(const char* path) {
+ return mock->NativeBridgeIsPathSupported(path);
+}
+
+} // extern "C"
+
+// A very simple JNI mock.
+// jstring is a pointer to utf8 char array. We don't need utf16 char here.
+// jobject, jclass, and jmethodID are also a pointer to utf8 char array
+// Only a few JNI methods that are actually used in libnativeloader are mocked.
+JNINativeInterface* CreateJNINativeInterface() {
+ JNINativeInterface* inf = new JNINativeInterface();
+ memset(inf, 0, sizeof(JNINativeInterface));
+
+ inf->GetStringUTFChars = [](JNIEnv*, jstring s, jboolean*) -> const char* {
+ return reinterpret_cast<const char*>(s);
+ };
+
+ inf->ReleaseStringUTFChars = [](JNIEnv*, jstring, const char*) -> void { return; };
+
+ inf->NewStringUTF = [](JNIEnv*, const char* bytes) -> jstring {
+ return reinterpret_cast<jstring>(const_cast<char*>(bytes));
+ };
+
+ inf->FindClass = [](JNIEnv*, const char* name) -> jclass {
+ return reinterpret_cast<jclass>(const_cast<char*>(name));
+ };
+
+ inf->CallObjectMethodV = [](JNIEnv*, jobject obj, jmethodID mid, va_list) -> jobject {
+ if (strcmp("getParent", reinterpret_cast<const char*>(mid)) == 0) {
+ // JniObject_getParent can be a valid jobject or nullptr if there is
+ // no parent classloader.
+ const char* ret = mock->JniObject_getParent(reinterpret_cast<const char*>(obj));
+ return reinterpret_cast<jobject>(const_cast<char*>(ret));
+ }
+ return nullptr;
+ };
+
+ inf->GetMethodID = [](JNIEnv*, jclass, const char* name, const char*) -> jmethodID {
+ return reinterpret_cast<jmethodID>(const_cast<char*>(name));
+ };
+
+ inf->NewWeakGlobalRef = [](JNIEnv*, jobject obj) -> jobject { return obj; };
+
+ inf->IsSameObject = [](JNIEnv*, jobject a, jobject b) -> jboolean {
+ return strcmp(reinterpret_cast<const char*>(a), reinterpret_cast<const char*>(b)) == 0;
+ };
+
+ return inf;
+}
+
+static void* const any_nonnull = reinterpret_cast<void*>(0x12345678);
+
+// Custom matcher for comparing namespace handles
+MATCHER_P(NsEq, other, "") {
+ *result_listener << "comparing " << reinterpret_cast<const char*>(arg) << " and " << other;
+ return strcmp(reinterpret_cast<const char*>(arg), reinterpret_cast<const char*>(other)) == 0;
+}
+
+/////////////////////////////////////////////////////////////////
+
+// Test fixture
+class NativeLoaderTest : public ::testing::TestWithParam<bool> {
+ protected:
+ bool IsBridged() { return GetParam(); }
+
+ void SetUp() override {
+ mock = std::make_unique<NiceMock<MockPlatform>>(IsBridged());
+
+ env = std::make_unique<JNIEnv>();
+ env->functions = CreateJNINativeInterface();
+ }
+
+ void SetExpectations() {
+ std::vector<std::string> default_public_libs =
+ android::base::Split(default_public_libraries(), ":");
+ for (auto l : default_public_libs) {
+ EXPECT_CALL(*mock, dlopen(StrEq(l.c_str()), RTLD_NOW | RTLD_NODELETE))
+ .WillOnce(Return(any_nonnull));
+ }
+ }
+
+ void RunTest() { InitializeNativeLoader(); }
+
+ void TearDown() override {
+ ResetNativeLoader();
+ delete env->functions;
+ mock.reset();
+ }
+
+ std::unique_ptr<JNIEnv> env;
+};
+
+/////////////////////////////////////////////////////////////////
+
+TEST_P(NativeLoaderTest, InitializeLoadsDefaultPublicLibraries) {
+ SetExpectations();
+ RunTest();
+}
+
+INSTANTIATE_TEST_SUITE_P(NativeLoaderTests, NativeLoaderTest, testing::Bool());
+
+/////////////////////////////////////////////////////////////////
+
+class NativeLoaderTest_Create : public NativeLoaderTest {
+ protected:
+ // Test inputs (initialized to the default values). Overriding these
+ // must be done before calling SetExpectations() and RunTest().
+ uint32_t target_sdk_version = 29;
+ std::string class_loader = "my_classloader";
+ bool is_shared = false;
+ std::string dex_path = "/data/app/foo/classes.dex";
+ std::string library_path = "/data/app/foo/lib/arm";
+ std::string permitted_path = "/data/app/foo/lib";
+
+ // expected output (.. for the default test inputs)
+ std::string expected_namespace_name = "classloader-namespace";
+ uint64_t expected_namespace_flags = ANDROID_NAMESPACE_TYPE_ISOLATED;
+ std::string expected_library_path = library_path;
+ std::string expected_permitted_path = std::string("/data:/mnt/expand:") + permitted_path;
+ std::string expected_parent_namespace = "platform";
+ bool expected_link_with_platform_ns = true;
+ bool expected_link_with_runtime_ns = true;
+ bool expected_link_with_sphal_ns = !vendor_public_libraries().empty();
+ bool expected_link_with_vndk_ns = false;
+ bool expected_link_with_default_ns = false;
+ std::string expected_shared_libs_to_platform_ns = default_public_libraries();
+ std::string expected_shared_libs_to_runtime_ns = runtime_public_libraries();
+ std::string expected_shared_libs_to_sphal_ns = vendor_public_libraries();
+ std::string expected_shared_libs_to_vndk_ns = vndksp_libraries();
+ std::string expected_shared_libs_to_default_ns = default_public_libraries();
+
+ void SetExpectations() {
+ NativeLoaderTest::SetExpectations();
+
+ ON_CALL(*mock, JniObject_getParent(StrEq(class_loader))).WillByDefault(Return(nullptr));
+
+ EXPECT_CALL(*mock, NativeBridgeIsPathSupported(_)).Times(AnyNumber());
+ EXPECT_CALL(*mock, NativeBridgeInitialized()).Times(AnyNumber());
+
+ if (IsBridged()) {
+ EXPECT_CALL(*mock,
+ mock_init_anonymous_namespace(false, StrEq(default_public_libraries()), nullptr))
+ .WillOnce(Return(true));
+
+ EXPECT_CALL(*mock, NativeBridgeInitialized()).WillOnce(Return(true));
+ }
+
+ EXPECT_CALL(*mock, mock_init_anonymous_namespace(
+ Eq(IsBridged()), StrEq(default_public_libraries()), StrEq(library_path)))
+ .WillOnce(Return(true));
+ EXPECT_CALL(*mock, mock_create_namespace(
+ Eq(IsBridged()), StrEq(expected_namespace_name), nullptr,
+ StrEq(expected_library_path), expected_namespace_flags,
+ StrEq(expected_permitted_path), NsEq(expected_parent_namespace.c_str())))
+ .WillOnce(Return(TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE(dex_path.c_str()))));
+ if (expected_link_with_platform_ns) {
+ EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("platform"),
+ StrEq(expected_shared_libs_to_platform_ns)))
+ .WillOnce(Return(true));
+ }
+ if (expected_link_with_runtime_ns) {
+ EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("runtime"),
+ StrEq(expected_shared_libs_to_runtime_ns)))
+ .WillOnce(Return(true));
+ }
+ if (expected_link_with_sphal_ns) {
+ EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("sphal"),
+ StrEq(expected_shared_libs_to_sphal_ns)))
+ .WillOnce(Return(true));
+ }
+ if (expected_link_with_vndk_ns) {
+ EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("vndk"),
+ StrEq(expected_shared_libs_to_vndk_ns)))
+ .WillOnce(Return(true));
+ }
+ if (expected_link_with_default_ns) {
+ EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), _, NsEq("default"),
+ StrEq(expected_shared_libs_to_default_ns)))
+ .WillOnce(Return(true));
+ }
+ }
+
+ void RunTest() {
+ NativeLoaderTest::RunTest();
+
+ jstring err = CreateClassLoaderNamespace(
+ env(), target_sdk_version, env()->NewStringUTF(class_loader.c_str()), is_shared,
+ env()->NewStringUTF(dex_path.c_str()), env()->NewStringUTF(library_path.c_str()),
+ env()->NewStringUTF(permitted_path.c_str()));
+
+ // no error
+ EXPECT_EQ(err, nullptr);
+
+ if (!IsBridged()) {
+ struct android_namespace_t* ns =
+ FindNamespaceByClassLoader(env(), env()->NewStringUTF(class_loader.c_str()));
+
+ // The created namespace is for this apk
+ EXPECT_EQ(dex_path.c_str(), reinterpret_cast<const char*>(ns));
+ } else {
+ struct NativeLoaderNamespace* ns =
+ FindNativeLoaderNamespaceByClassLoader(env(), env()->NewStringUTF(class_loader.c_str()));
+
+ // The created namespace is for the this apk
+ EXPECT_STREQ(dex_path.c_str(),
+ reinterpret_cast<const char*>(ns->ToRawNativeBridgeNamespace()));
+ }
+ }
+
+ JNIEnv* env() { return NativeLoaderTest::env.get(); }
+};
+
+TEST_P(NativeLoaderTest_Create, DownloadedApp) {
+ SetExpectations();
+ RunTest();
+}
+
+TEST_P(NativeLoaderTest_Create, BundledSystemApp) {
+ dex_path = "/system/app/foo/foo.apk";
+ is_shared = true;
+
+ expected_namespace_flags = ANDROID_NAMESPACE_TYPE_ISOLATED | ANDROID_NAMESPACE_TYPE_SHARED;
+ SetExpectations();
+ RunTest();
+}
+
+TEST_P(NativeLoaderTest_Create, BundledVendorApp) {
+ dex_path = "/vendor/app/foo/foo.apk";
+ is_shared = true;
+
+ expected_namespace_flags = ANDROID_NAMESPACE_TYPE_ISOLATED | ANDROID_NAMESPACE_TYPE_SHARED;
+ SetExpectations();
+ RunTest();
+}
+
+TEST_P(NativeLoaderTest_Create, UnbundledVendorApp) {
+ dex_path = "/vendor/app/foo/foo.apk";
+ is_shared = false;
+
+ expected_namespace_name = "vendor-classloader-namespace";
+ expected_library_path = expected_library_path + ":/vendor/lib";
+ expected_permitted_path = expected_permitted_path + ":/vendor/lib";
+ expected_shared_libs_to_platform_ns =
+ expected_shared_libs_to_platform_ns + ":" + llndk_libraries();
+ expected_link_with_vndk_ns = true;
+ SetExpectations();
+ RunTest();
+}
+
+TEST_P(NativeLoaderTest_Create, BundledProductApp_pre30) {
+ dex_path = "/product/app/foo/foo.apk";
+ is_shared = true;
+
+ expected_namespace_flags = ANDROID_NAMESPACE_TYPE_ISOLATED | ANDROID_NAMESPACE_TYPE_SHARED;
+ SetExpectations();
+ RunTest();
+}
+
+TEST_P(NativeLoaderTest_Create, BundledProductApp_post30) {
+ dex_path = "/product/app/foo/foo.apk";
+ is_shared = true;
+ target_sdk_version = 30;
+
+ expected_namespace_flags = ANDROID_NAMESPACE_TYPE_ISOLATED | ANDROID_NAMESPACE_TYPE_SHARED;
+ SetExpectations();
+ RunTest();
+}
+
+TEST_P(NativeLoaderTest_Create, UnbundledProductApp_pre30) {
+ dex_path = "/product/app/foo/foo.apk";
+ is_shared = false;
+ SetExpectations();
+ RunTest();
+}
+
+TEST_P(NativeLoaderTest_Create, UnbundledProductApp_post30) {
+ dex_path = "/product/app/foo/foo.apk";
+ is_shared = false;
+ target_sdk_version = 30;
+
+ expected_namespace_name = "vendor-classloader-namespace";
+ expected_library_path = expected_library_path + ":/product/lib:/system/product/lib";
+ expected_permitted_path = expected_permitted_path + ":/product/lib:/system/product/lib";
+ expected_shared_libs_to_platform_ns =
+ expected_shared_libs_to_platform_ns + ":" + llndk_libraries();
+ expected_link_with_vndk_ns = true;
+ SetExpectations();
+ RunTest();
+}
+
+TEST_P(NativeLoaderTest_Create, TwoApks) {
+ SetExpectations();
+ const uint32_t second_app_target_sdk_version = 29;
+ const std::string second_app_class_loader = "second_app_classloader";
+ const bool second_app_is_shared = false;
+ const std::string second_app_dex_path = "/data/app/bar/classes.dex";
+ const std::string second_app_library_path = "/data/app/bar/lib/arm";
+ const std::string second_app_permitted_path = "/data/app/bar/lib";
+ const std::string expected_second_app_permitted_path =
+ std::string("/data:/mnt/expand:") + second_app_permitted_path;
+ const std::string expected_second_app_parent_namespace = "classloader-namespace";
+
+ // The scenario is that second app is loaded by the first app.
+ // So the first app's classloader (`classloader`) is parent of the second
+ // app's classloader.
+ ON_CALL(*mock, JniObject_getParent(StrEq(second_app_class_loader)))
+ .WillByDefault(Return(class_loader.c_str()));
+
+ // namespace for the second app is created. Its parent is set to the namespace
+ // of the first app.
+ EXPECT_CALL(*mock, mock_create_namespace(Eq(IsBridged()), StrEq(expected_namespace_name), nullptr,
+ StrEq(second_app_library_path), expected_namespace_flags,
+ StrEq(expected_second_app_permitted_path),
+ NsEq(dex_path.c_str())))
+ .WillOnce(Return(TO_MOCK_NAMESPACE(TO_ANDROID_NAMESPACE(second_app_dex_path.c_str()))));
+ EXPECT_CALL(*mock, mock_link_namespaces(Eq(IsBridged()), NsEq(second_app_dex_path.c_str()), _, _))
+ .WillRepeatedly(Return(true));
+
+ RunTest();
+ jstring err = CreateClassLoaderNamespace(
+ env(), second_app_target_sdk_version, env()->NewStringUTF(second_app_class_loader.c_str()),
+ second_app_is_shared, env()->NewStringUTF(second_app_dex_path.c_str()),
+ env()->NewStringUTF(second_app_library_path.c_str()),
+ env()->NewStringUTF(second_app_permitted_path.c_str()));
+
+ // success
+ EXPECT_EQ(err, nullptr);
+
+ if (!IsBridged()) {
+ struct android_namespace_t* ns =
+ FindNamespaceByClassLoader(env(), env()->NewStringUTF(second_app_class_loader.c_str()));
+
+ // The created namespace is for the second apk
+ EXPECT_EQ(second_app_dex_path.c_str(), reinterpret_cast<const char*>(ns));
+ } else {
+ struct NativeLoaderNamespace* ns = FindNativeLoaderNamespaceByClassLoader(
+ env(), env()->NewStringUTF(second_app_class_loader.c_str()));
+
+ // The created namespace is for the second apk
+ EXPECT_STREQ(second_app_dex_path.c_str(),
+ reinterpret_cast<const char*>(ns->ToRawNativeBridgeNamespace()));
+ }
+}
+
+INSTANTIATE_TEST_SUITE_P(NativeLoaderTests_Create, NativeLoaderTest_Create, testing::Bool());
+
+// TODO(b/130388701#comment22) add a test for anonymous namespace
+
+} // namespace nativeloader
+} // namespace android
diff --git a/libunwindstack/Android.bp b/libunwindstack/Android.bp
index 46fd69e..73237e6 100644
--- a/libunwindstack/Android.bp
+++ b/libunwindstack/Android.bp
@@ -158,6 +158,7 @@
cc_test {
name: "libunwindstack_test",
defaults: ["libunwindstack_flags"],
+ isolated: true,
srcs: [
"tests/ArmExidxDecodeTest.cpp",
@@ -180,6 +181,7 @@
"tests/ElfInterfaceTest.cpp",
"tests/ElfTest.cpp",
"tests/ElfTestUtils.cpp",
+ "tests/IsolatedSettings.cpp",
"tests/JitDebugTest.cpp",
"tests/LocalUnwinderTest.cpp",
"tests/LogFake.cpp",
diff --git a/libunwindstack/tests/IsolatedSettings.cpp b/libunwindstack/tests/IsolatedSettings.cpp
new file mode 100644
index 0000000..dbd8bd6
--- /dev/null
+++ b/libunwindstack/tests/IsolatedSettings.cpp
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+
+extern "C" bool GetInitialArgs(const char*** args, size_t* num_args) {
+ static const char* initial_args[2] = {"--slow_threshold_ms=90000",
+ "--deadline_threshold_ms=120000"};
+ *args = initial_args;
+ *num_args = 2;
+ return true;
+}
diff --git a/libunwindstack/tests/MapInfoCreateMemoryTest.cpp b/libunwindstack/tests/MapInfoCreateMemoryTest.cpp
index 5b4ca7c..6c1cfa2 100644
--- a/libunwindstack/tests/MapInfoCreateMemoryTest.cpp
+++ b/libunwindstack/tests/MapInfoCreateMemoryTest.cpp
@@ -58,7 +58,7 @@
ASSERT_TRUE(android::base::WriteFully(fd, buffer.data(), buffer.size()));
}
- static void SetUpTestSuite() {
+ void SetUp() override {
std::vector<uint8_t> buffer(12288, 0);
memcpy(buffer.data(), ELFMAG, SELFMAG);
buffer[EI_CLASS] = ELFCLASS32;
@@ -72,9 +72,7 @@
InitElf<Elf32_Ehdr, Elf32_Shdr>(elf32_at_map_.fd, 0x1000, 0x2000, ELFCLASS32);
InitElf<Elf64_Ehdr, Elf64_Shdr>(elf64_at_map_.fd, 0x2000, 0x3000, ELFCLASS64);
- }
- void SetUp() override {
memory_ = new MemoryFake;
process_memory_.reset(memory_);
}
@@ -82,17 +80,13 @@
MemoryFake* memory_;
std::shared_ptr<Memory> process_memory_;
- static TemporaryFile elf_;
+ TemporaryFile elf_;
- static TemporaryFile elf_at_1000_;
+ TemporaryFile elf_at_1000_;
- static TemporaryFile elf32_at_map_;
- static TemporaryFile elf64_at_map_;
+ TemporaryFile elf32_at_map_;
+ TemporaryFile elf64_at_map_;
};
-TemporaryFile MapInfoCreateMemoryTest::elf_;
-TemporaryFile MapInfoCreateMemoryTest::elf_at_1000_;
-TemporaryFile MapInfoCreateMemoryTest::elf32_at_map_;
-TemporaryFile MapInfoCreateMemoryTest::elf64_at_map_;
TEST_F(MapInfoCreateMemoryTest, end_le_start) {
MapInfo info(nullptr, 0x100, 0x100, 0, 0, elf_.path);
diff --git a/libziparchive/Android.bp b/libziparchive/Android.bp
index 3843252..0253f2f 100644
--- a/libziparchive/Android.bp
+++ b/libziparchive/Android.bp
@@ -76,6 +76,10 @@
"liblog",
],
+ // for FRIEND_TEST
+ static_libs: ["libgtest_prod"],
+ export_static_lib_headers: ["libgtest_prod"],
+
export_include_dirs: ["include"],
}
diff --git a/libziparchive/include/ziparchive/zip_writer.h b/libziparchive/include/ziparchive/zip_writer.h
index a2a0dbf..d68683d 100644
--- a/libziparchive/include/ziparchive/zip_writer.h
+++ b/libziparchive/include/ziparchive/zip_writer.h
@@ -19,6 +19,7 @@
#include <cstdio>
#include <ctime>
+#include <gtest/gtest_prod.h>
#include <memory>
#include <string>
#include <string_view>
@@ -165,6 +166,7 @@
int32_t StoreBytes(FileEntry* file, const void* data, uint32_t len);
int32_t CompressBytes(FileEntry* file, const void* data, uint32_t len);
int32_t FlushCompressedBytes(FileEntry* file);
+ bool ShouldUseDataDescriptor() const;
enum class State {
kWritingZip,
@@ -182,4 +184,6 @@
std::unique_ptr<z_stream, void (*)(z_stream*)> z_stream_;
std::vector<uint8_t> buffer_;
+
+ FRIEND_TEST(zipwriter, WriteToUnseekableFile);
};
diff --git a/libziparchive/zip_writer.cc b/libziparchive/zip_writer.cc
index 198154b..67279a6 100644
--- a/libziparchive/zip_writer.cc
+++ b/libziparchive/zip_writer.cc
@@ -455,6 +455,11 @@
return kNoError;
}
+bool ZipWriter::ShouldUseDataDescriptor() const {
+ // Only use a trailing "data descriptor" if the output isn't seekable.
+ return !seekable_;
+}
+
int32_t ZipWriter::FinishEntry() {
if (state_ != State::kWritingEntry) {
return kInvalidState;
@@ -467,7 +472,7 @@
}
}
- if ((current_file_entry_.compression_method & kCompressDeflated) || !seekable_) {
+ if (ShouldUseDataDescriptor()) {
// Some versions of ZIP don't allow STORED data to have a trailing DataDescriptor.
// If this file is not seekable, or if the data is compressed, write a DataDescriptor.
const uint32_t sig = DataDescriptor::kOptSignature;
@@ -515,7 +520,7 @@
for (FileEntry& file : files_) {
CentralDirectoryRecord cdr = {};
cdr.record_signature = CentralDirectoryRecord::kSignature;
- if ((file.compression_method & kCompressDeflated) || !seekable_) {
+ if (ShouldUseDataDescriptor()) {
cdr.gpb_flags |= kGPBDDFlagMask;
}
cdr.compression_method = file.compression_method;
diff --git a/libziparchive/zip_writer_test.cc b/libziparchive/zip_writer_test.cc
index c3da23c..d324d4b 100644
--- a/libziparchive/zip_writer_test.cc
+++ b/libziparchive/zip_writer_test.cc
@@ -243,6 +243,7 @@
ZipEntry data;
ASSERT_EQ(0, FindEntry(handle, "file.txt", &data));
EXPECT_EQ(kCompressDeflated, data.method);
+ EXPECT_EQ(0u, data.has_data_descriptor);
ASSERT_EQ(4u, data.uncompressed_length);
ASSERT_TRUE(AssertFileEntryContentsEq("helo", handle, &data));
@@ -351,6 +352,29 @@
CloseArchive(handle);
}
+TEST_F(zipwriter, WriteToUnseekableFile) {
+ const char* expected = "hello";
+ ZipWriter writer(file_);
+ writer.seekable_ = false;
+
+ ASSERT_EQ(0, writer.StartEntry("file.txt", 0));
+ ASSERT_EQ(0, writer.WriteBytes(expected, strlen(expected)));
+ ASSERT_EQ(0, writer.FinishEntry());
+ ASSERT_EQ(0, writer.Finish());
+ ASSERT_GE(0, lseek(fd_, 0, SEEK_SET));
+
+ ZipArchiveHandle handle;
+ ASSERT_EQ(0, OpenArchiveFd(fd_, "temp", &handle, false));
+ ZipEntry data;
+ ASSERT_EQ(0, FindEntry(handle, "file.txt", &data));
+ EXPECT_EQ(kCompressStored, data.method);
+ EXPECT_EQ(1u, data.has_data_descriptor);
+ EXPECT_EQ(strlen(expected), data.compressed_length);
+ ASSERT_EQ(strlen(expected), data.uncompressed_length);
+ ASSERT_TRUE(AssertFileEntryContentsEq(expected, handle, &data));
+ CloseArchive(handle);
+}
+
TEST_F(zipwriter, TruncateFileAfterBackup) {
ZipWriter writer(file_);
diff --git a/rootdir/init.rc b/rootdir/init.rc
index b438124..d22e9a7 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -414,6 +414,7 @@
mkdir /metadata/vold
chmod 0700 /metadata/vold
mkdir /metadata/password_slots 0771 root system
+ mkdir /metadata/ota 0700 root system
mkdir /metadata/apex 0700 root system
mkdir /metadata/apex/sessions 0700 root system
diff --git a/rootdir/update_and_install_ld_config.mk b/rootdir/update_and_install_ld_config.mk
index 30537e7..dbe60e5 100644
--- a/rootdir/update_and_install_ld_config.mk
+++ b/rootdir/update_and_install_ld_config.mk
@@ -93,7 +93,7 @@
# $(2): output file with the filtered list of lib names
$(LOCAL_BUILT_MODULE): private-filter-out-private-libs = \
paste -sd ":" $(1) > $(2) && \
- cat $(PRIVATE_VNDK_PRIVATE_LIBRARIES_FILE) | xargs -n 1 -I privatelib bash -c "sed -i.bak 's/privatelib//' $(2)" && \
+ while read -r privatelib; do sed -i.bak "s/$$privatelib//" $(2) ; done < $(PRIVATE_VNDK_PRIVATE_LIBRARIES_FILE) && \
sed -i.bak -e 's/::\+/:/g ; s/^:\+// ; s/:\+$$//' $(2) && \
rm -f $(2).bak
@@ -154,8 +154,9 @@
endif
$(hide) echo -n > $(PRIVATE_INTERMEDIATES_DIR)/private_llndk && \
- cat $(PRIVATE_VNDK_PRIVATE_LIBRARIES_FILE) | \
- xargs -n 1 -I privatelib bash -c "(grep privatelib $(PRIVATE_LLNDK_LIBRARIES_FILE) || true) >> $(PRIVATE_INTERMEDIATES_DIR)/private_llndk" && \
+ while read -r privatelib; \
+ do (grep $$privatelib $(PRIVATE_LLNDK_LIBRARIES_FILE) || true) >> $(PRIVATE_INTERMEDIATES_DIR)/private_llndk ; \
+ done < $(PRIVATE_VNDK_PRIVATE_LIBRARIES_FILE) && \
paste -sd ":" $(PRIVATE_INTERMEDIATES_DIR)/private_llndk | \
sed -i.bak -e "s?%PRIVATE_LLNDK_LIBRARIES%?$$(cat -)?g" $@