Remove libprocinfo, libbacktrace, libunwindstack

These projects have moved to a different location.
platform/system/core [libprocinfo] -> platform/system/libprocinfo
platform/system/core [libbacktrace] -> platform/system/unwinding [libbacktrace]
platform/system/core [libunwindstack] -> platform/system/unwinding [libunwindstack]

BUG: 163786882
Test: Local build + TH
Change-Id: Id6d278d917236df0ffd40b5c32593856e112cb5b

1 files changed, 0 insertions, 342 deletions

diff --git a/libunwindstack/tests/MemoryRemoteTest.cpp b/libunwindstack/tests/MemoryRemoteTest.cpp
deleted file mode 100644
index 621893b1f..000000000
--- a/libunwindstack/tests/MemoryRemoteTest.cpp
+++ /dev/null
@@ -1,342 +0,0 @@
-/*
- * 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 <errno.h>
-#include <signal.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <sys/ptrace.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <vector>
-
-#include <android-base/file.h>
-#include <android-base/test_utils.h>
-#include <gtest/gtest.h>
-
-#include "MemoryRemote.h"
-
-#include "MemoryFake.h"
-#include "TestUtils.h"
-
-namespace unwindstack {
-
-TEST(MemoryRemoteTest, read) {
-  std::vector<uint8_t> src(1024);
-  memset(src.data(), 0x4c, 1024);
-
-  pid_t pid;
-  if ((pid = fork()) == 0) {
-    while (true);
-    exit(1);
-  }
-  ASSERT_LT(0, pid);
-  TestScopedPidReaper reap(pid);
-
-  ASSERT_TRUE(TestAttach(pid));
-
-  MemoryRemote remote(pid);
-
-  std::vector<uint8_t> dst(1024);
-  ASSERT_TRUE(remote.ReadFully(reinterpret_cast<uint64_t>(src.data()), dst.data(), 1024));
-  for (size_t i = 0; i < 1024; i++) {
-    ASSERT_EQ(0x4cU, dst[i]) << "Failed at byte " << i;
-  }
-
-  ASSERT_TRUE(TestDetach(pid));
-}
-
-TEST(MemoryRemoteTest, read_large) {
-  static constexpr size_t kTotalPages = 245;
-  std::vector<uint8_t> src(kTotalPages * getpagesize());
-  for (size_t i = 0; i < kTotalPages; i++) {
-    memset(&src[i * getpagesize()], i, getpagesize());
-  }
-
-  pid_t pid;
-  if ((pid = fork()) == 0) {
-    while (true)
-      ;
-    exit(1);
-  }
-  ASSERT_LT(0, pid);
-  TestScopedPidReaper reap(pid);
-
-  ASSERT_TRUE(TestAttach(pid));
-
-  MemoryRemote remote(pid);
-
-  std::vector<uint8_t> dst(kTotalPages * getpagesize());
-  ASSERT_TRUE(remote.ReadFully(reinterpret_cast<uint64_t>(src.data()), dst.data(), src.size()));
-  for (size_t i = 0; i < kTotalPages * getpagesize(); i++) {
-    ASSERT_EQ(i / getpagesize(), dst[i]) << "Failed at byte " << i;
-  }
-
-  ASSERT_TRUE(TestDetach(pid));
-}
-
-TEST(MemoryRemoteTest, read_partial) {
-  char* mapping = static_cast<char*>(
-      mmap(nullptr, 4 * getpagesize(), PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0));
-  ASSERT_NE(MAP_FAILED, mapping);
-  memset(mapping, 0x4c, 4 * getpagesize());
-  ASSERT_EQ(0, mprotect(mapping + getpagesize(), getpagesize(), PROT_NONE));
-  ASSERT_EQ(0, munmap(mapping + 3 * getpagesize(), getpagesize()));
-
-  pid_t pid;
-  if ((pid = fork()) == 0) {
-    while (true)
-      ;
-    exit(1);
-  }
-  ASSERT_LT(0, pid);
-  TestScopedPidReaper reap(pid);
-
-  // Unmap from our process.
-  ASSERT_EQ(0, munmap(mapping, 3 * getpagesize()));
-
-  ASSERT_TRUE(TestAttach(pid));
-
-  MemoryRemote remote(pid);
-
-  std::vector<uint8_t> dst(4096);
-  size_t bytes =
-      remote.Read(reinterpret_cast<uint64_t>(mapping + getpagesize() - 1024), dst.data(), 4096);
-  // Some read methods can read PROT_NONE maps, allow that.
-  ASSERT_LE(1024U, bytes);
-  for (size_t i = 0; i < bytes; i++) {
-    ASSERT_EQ(0x4cU, dst[i]) << "Failed at byte " << i;
-  }
-
-  // Now verify that reading stops at the end of a map.
-  bytes =
-      remote.Read(reinterpret_cast<uint64_t>(mapping + 3 * getpagesize() - 1024), dst.data(), 4096);
-  ASSERT_EQ(1024U, bytes);
-  for (size_t i = 0; i < bytes; i++) {
-    ASSERT_EQ(0x4cU, dst[i]) << "Failed at byte " << i;
-  }
-
-  ASSERT_TRUE(TestDetach(pid));
-}
-
-TEST(MemoryRemoteTest, read_fail) {
-  int pagesize = getpagesize();
-  void* src = mmap(nullptr, pagesize * 2, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,-1, 0);
-  memset(src, 0x4c, pagesize * 2);
-  ASSERT_NE(MAP_FAILED, src);
-  // Put a hole right after the first page.
-  ASSERT_EQ(0, munmap(reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(src) + pagesize),
-                      pagesize));
-
-  pid_t pid;
-  if ((pid = fork()) == 0) {
-    while (true);
-    exit(1);
-  }
-  ASSERT_LT(0, pid);
-  TestScopedPidReaper reap(pid);
-
-  ASSERT_TRUE(TestAttach(pid));
-
-  MemoryRemote remote(pid);
-
-  std::vector<uint8_t> dst(pagesize);
-  ASSERT_TRUE(remote.ReadFully(reinterpret_cast<uint64_t>(src), dst.data(), pagesize));
-  for (size_t i = 0; i < 1024; i++) {
-    ASSERT_EQ(0x4cU, dst[i]) << "Failed at byte " << i;
-  }
-
-  ASSERT_FALSE(remote.ReadFully(reinterpret_cast<uint64_t>(src) + pagesize, dst.data(), 1));
-  ASSERT_TRUE(remote.ReadFully(reinterpret_cast<uint64_t>(src) + pagesize - 1, dst.data(), 1));
-  ASSERT_FALSE(remote.ReadFully(reinterpret_cast<uint64_t>(src) + pagesize - 4, dst.data(), 8));
-
-  // Check overflow condition is caught properly.
-  ASSERT_FALSE(remote.ReadFully(UINT64_MAX - 100, dst.data(), 200));
-
-  ASSERT_EQ(0, munmap(src, pagesize));
-
-  ASSERT_TRUE(TestDetach(pid));
-}
-
-TEST(MemoryRemoteTest, read_overflow) {
-  pid_t pid;
-  if ((pid = fork()) == 0) {
-    while (true)
-      ;
-    exit(1);
-  }
-  ASSERT_LT(0, pid);
-  TestScopedPidReaper reap(pid);
-
-  ASSERT_TRUE(TestAttach(pid));
-
-  MemoryRemote remote(pid);
-
-  // Check overflow condition is caught properly.
-  std::vector<uint8_t> dst(200);
-  ASSERT_FALSE(remote.ReadFully(UINT64_MAX - 100, dst.data(), 200));
-
-  ASSERT_TRUE(TestDetach(pid));
-}
-
-TEST(MemoryRemoteTest, read_illegal) {
-  pid_t pid;
-  if ((pid = fork()) == 0) {
-    while (true);
-    exit(1);
-  }
-  ASSERT_LT(0, pid);
-  TestScopedPidReaper reap(pid);
-
-  ASSERT_TRUE(TestAttach(pid));
-
-  MemoryRemote remote(pid);
-
-  std::vector<uint8_t> dst(100);
-  ASSERT_FALSE(remote.ReadFully(0, dst.data(), 1));
-  ASSERT_FALSE(remote.ReadFully(0, dst.data(), 100));
-
-  ASSERT_TRUE(TestDetach(pid));
-}
-
-TEST(MemoryRemoteTest, read_mprotect_hole) {
-  size_t page_size = getpagesize();
-  void* mapping =
-      mmap(nullptr, 3 * getpagesize(), PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
-  ASSERT_NE(MAP_FAILED, mapping);
-  memset(mapping, 0xFF, 3 * page_size);
-  ASSERT_EQ(0, mprotect(static_cast<char*>(mapping) + page_size, page_size, PROT_NONE));
-
-  pid_t pid;
-  if ((pid = fork()) == 0) {
-    while (true);
-    exit(1);
-  }
-  ASSERT_LT(0, pid);
-  TestScopedPidReaper reap(pid);
-
-  ASSERT_EQ(0, munmap(mapping, 3 * page_size));
-
-  ASSERT_TRUE(TestAttach(pid));
-
-  MemoryRemote remote(pid);
-  std::vector<uint8_t> dst(getpagesize() * 4, 0xCC);
-  size_t read_size = remote.Read(reinterpret_cast<uint64_t>(mapping), dst.data(), page_size * 3);
-  // Some read methods can read PROT_NONE maps, allow that.
-  ASSERT_LE(page_size, read_size);
-  for (size_t i = 0; i < read_size; ++i) {
-    ASSERT_EQ(0xFF, dst[i]);
-  }
-  for (size_t i = read_size; i < dst.size(); ++i) {
-    ASSERT_EQ(0xCC, dst[i]);
-  }
-
-  ASSERT_TRUE(TestDetach(pid));
-}
-
-TEST(MemoryRemoteTest, read_munmap_hole) {
-  size_t page_size = getpagesize();
-  void* mapping =
-      mmap(nullptr, 3 * getpagesize(), PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
-  ASSERT_NE(MAP_FAILED, mapping);
-  memset(mapping, 0xFF, 3 * page_size);
-  ASSERT_EQ(0, munmap(static_cast<char*>(mapping) + page_size, page_size));
-
-  pid_t pid;
-  if ((pid = fork()) == 0) {
-    while (true)
-      ;
-    exit(1);
-  }
-  ASSERT_LT(0, pid);
-  TestScopedPidReaper reap(pid);
-
-  ASSERT_EQ(0, munmap(mapping, page_size));
-  ASSERT_EQ(0, munmap(static_cast<char*>(mapping) + 2 * page_size, page_size));
-
-  ASSERT_TRUE(TestAttach(pid));
-
-  MemoryRemote remote(pid);
-  std::vector<uint8_t> dst(getpagesize() * 4, 0xCC);
-  size_t read_size = remote.Read(reinterpret_cast<uint64_t>(mapping), dst.data(), page_size * 3);
-  ASSERT_EQ(page_size, read_size);
-  for (size_t i = 0; i < read_size; ++i) {
-    ASSERT_EQ(0xFF, dst[i]);
-  }
-  for (size_t i = read_size; i < dst.size(); ++i) {
-    ASSERT_EQ(0xCC, dst[i]);
-  }
-
-  ASSERT_TRUE(TestDetach(pid));
-}
-
-// Verify that the memory remote object chooses a memory read function
-// properly. Either process_vm_readv or ptrace.
-TEST(MemoryRemoteTest, read_choose_correctly) {
-  size_t page_size = getpagesize();
-  void* mapping =
-      mmap(nullptr, 2 * getpagesize(), PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
-  ASSERT_NE(MAP_FAILED, mapping);
-  memset(mapping, 0xFC, 2 * page_size);
-  ASSERT_EQ(0, mprotect(static_cast<char*>(mapping), page_size, PROT_NONE));
-
-  pid_t pid;
-  if ((pid = fork()) == 0) {
-    while (true)
-      ;
-    exit(1);
-  }
-  ASSERT_LT(0, pid);
-  TestScopedPidReaper reap(pid);
-
-  ASSERT_EQ(0, munmap(mapping, 2 * page_size));
-
-  ASSERT_TRUE(TestAttach(pid));
-
-  // We know that process_vm_readv of a mprotect'd PROT_NONE region will fail.
-  // Read from the PROT_NONE area first to force the choice of ptrace.
-  MemoryRemote remote_ptrace(pid);
-  uint32_t value;
-  size_t bytes = remote_ptrace.Read(reinterpret_cast<uint64_t>(mapping), &value, sizeof(value));
-  ASSERT_EQ(sizeof(value), bytes);
-  ASSERT_EQ(0xfcfcfcfcU, value);
-  bytes = remote_ptrace.Read(reinterpret_cast<uint64_t>(mapping) + page_size, &value, sizeof(value));
-  ASSERT_EQ(sizeof(value), bytes);
-  ASSERT_EQ(0xfcfcfcfcU, value);
-  bytes = remote_ptrace.Read(reinterpret_cast<uint64_t>(mapping), &value, sizeof(value));
-  ASSERT_EQ(sizeof(value), bytes);
-  ASSERT_EQ(0xfcfcfcfcU, value);
-
-  // Now verify that choosing process_vm_readv results in failing reads of
-  // the PROT_NONE part of the map. Read from a valid map first which
-  // should prefer process_vm_readv, and keep that as the read function.
-  MemoryRemote remote_readv(pid);
-  bytes = remote_readv.Read(reinterpret_cast<uint64_t>(mapping) + page_size, &value, sizeof(value));
-  ASSERT_EQ(sizeof(value), bytes);
-  ASSERT_EQ(0xfcfcfcfcU, value);
-  bytes = remote_readv.Read(reinterpret_cast<uint64_t>(mapping), &value, sizeof(value));
-  ASSERT_EQ(0U, bytes);
-  bytes = remote_readv.Read(reinterpret_cast<uint64_t>(mapping) + page_size, &value, sizeof(value));
-  ASSERT_EQ(sizeof(value), bytes);
-  ASSERT_EQ(0xfcfcfcfcU, value);
-
-  ASSERT_TRUE(TestDetach(pid));
-}
-
-}  // namespace unwindstack