Add ProcessTypes, its test, and many proctype definition files

util/mac/process_types_test.cc

+// Copyright 2014 The Crashpad Authors. All rights reserved.
+//
+// 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 "util/mac/process_types.h"
+
+#include <AvailabilityMacros.h>
+#include <mach/mach.h>
+#include <string.h>
+
+#include <vector>
+
+#include "base/strings/stringprintf.h"
+#include "gtest/gtest.h"
+#include "util/mac/mac_util.h"
+
+extern "C" {
+const struct dyld_all_image_infos* _dyld_get_all_image_infos();
+
+}  // extern "C"
+
+namespace {
+
+using namespace crashpad;
+
+#define TEST_STRING(process_reader, self_view, proctype_view, field)        \
+  do {                                                                      \
+    if (self_view->field) {                                                 \
+      std::string proctype_string;                                          \
+      ASSERT_TRUE(process_reader.Memory()->ReadCString(proctype_view.field, \
+                                                       &proctype_string));  \
+      EXPECT_EQ(self_view->field, proctype_string);                         \
+    }                                                                       \
+  } while (false)
+
+TEST(ProcessTypes, DyldImagesSelf) {
+  // Get the in-process view of dyld_all_image_infos, and check it for sanity.
+  const struct dyld_all_image_infos* self_image_infos =
+      _dyld_get_all_image_infos();
+  int mac_os_x_minor_version = MacOSXMinorVersion();
+  if (mac_os_x_minor_version >= 9) {
+    EXPECT_GE(self_image_infos->version, 13u);
+  } else if (mac_os_x_minor_version >= 7) {
+    EXPECT_GE(self_image_infos->version, 8u);
+  } else if (mac_os_x_minor_version >= 6) {
+    EXPECT_GE(self_image_infos->version, 2u);
+  } else {
+    EXPECT_GE(self_image_infos->version, 1u);
+  }
+
+  EXPECT_GT(self_image_infos->infoArrayCount, 1u);
+  if (self_image_infos->version >= 2) {
+    EXPECT_TRUE(self_image_infos->libSystemInitialized);
+  }
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
+  if (self_image_infos->version >= 9) {
+    EXPECT_EQ(self_image_infos, self_image_infos->dyldAllImageInfosAddress);
+  }
+#endif
+
+  // Get the out-of-process view of dyld_all_image_infos, and work with it
+  // through the process_types interface.
+  task_dyld_info_data_t dyld_info;
+  mach_msg_type_number_t count = TASK_DYLD_INFO_COUNT;
+  kern_return_t kr = task_info(mach_task_self(),
+                               TASK_DYLD_INFO,
+                               reinterpret_cast<task_info_t>(&dyld_info),
+                               &count);
+  ASSERT_EQ(KERN_SUCCESS, kr);
+
+  EXPECT_EQ(reinterpret_cast<mach_vm_address_t>(self_image_infos),
+            dyld_info.all_image_info_addr);
+  EXPECT_GT(dyld_info.all_image_info_size, 1u);
+
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
+#if !defined(ARCH_CPU_64_BITS)
+  EXPECT_EQ(TASK_DYLD_ALL_IMAGE_INFO_32, dyld_info.all_image_info_format);
+#else
+  EXPECT_EQ(TASK_DYLD_ALL_IMAGE_INFO_64, dyld_info.all_image_info_format);
+#endif
+#endif
+
+  ProcessReader process_reader;
+  ASSERT_TRUE(process_reader.Initialize(mach_task_self()));
+
+  process_types::dyld_all_image_infos proctype_image_infos;
+  ASSERT_TRUE(proctype_image_infos.Read(&process_reader,
+                                        dyld_info.all_image_info_addr));
+
+  ASSERT_EQ(self_image_infos->version, proctype_image_infos.version);
+
+  if (proctype_image_infos.version >= 1) {
+    EXPECT_EQ(self_image_infos->infoArrayCount,
+              proctype_image_infos.infoArrayCount);
+    EXPECT_EQ(reinterpret_cast<uint64_t>(self_image_infos->infoArray),
+              proctype_image_infos.infoArray);
+    EXPECT_EQ(reinterpret_cast<uint64_t>(self_image_infos->notification),
+              proctype_image_infos.notification);
+    EXPECT_EQ(self_image_infos->processDetachedFromSharedRegion,
+              proctype_image_infos.processDetachedFromSharedRegion);
+  }
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+  if (proctype_image_infos.version >= 2) {
+    EXPECT_EQ(self_image_infos->libSystemInitialized,
+              proctype_image_infos.libSystemInitialized);
+    EXPECT_EQ(
+        reinterpret_cast<uint64_t>(self_image_infos->dyldImageLoadAddress),
+        proctype_image_infos.dyldImageLoadAddress);
+  }
+  if (proctype_image_infos.version >= 3) {
+    EXPECT_EQ(reinterpret_cast<uint64_t>(self_image_infos->jitInfo),
+              proctype_image_infos.jitInfo);
+  }
+  if (proctype_image_infos.version >= 5) {
+    EXPECT_EQ(reinterpret_cast<uint64_t>(self_image_infos->dyldVersion),
+              proctype_image_infos.dyldVersion);
+    EXPECT_EQ(reinterpret_cast<uint64_t>(self_image_infos->errorMessage),
+              proctype_image_infos.errorMessage);
+    EXPECT_EQ(static_cast<uint64_t>(self_image_infos->terminationFlags),
+              proctype_image_infos.terminationFlags);
+
+    TEST_STRING(
+        process_reader, self_image_infos, proctype_image_infos, dyldVersion);
+    TEST_STRING(
+        process_reader, self_image_infos, proctype_image_infos, errorMessage);
+  }
+  if (proctype_image_infos.version >= 6) {
+    EXPECT_EQ(
+        reinterpret_cast<uint64_t>(self_image_infos->coreSymbolicationShmPage),
+        proctype_image_infos.coreSymbolicationShmPage);
+  }
+  if (proctype_image_infos.version >= 7) {
+    EXPECT_EQ(static_cast<uint64_t>(self_image_infos->systemOrderFlag),
+              proctype_image_infos.systemOrderFlag);
+  }
+#endif
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
+  if (proctype_image_infos.version >= 8) {
+    EXPECT_EQ(static_cast<uint64_t>(self_image_infos->uuidArrayCount),
+              proctype_image_infos.uuidArrayCount);
+  }
+  if (proctype_image_infos.version >= 9) {
+    EXPECT_EQ(
+        reinterpret_cast<uint64_t>(self_image_infos->dyldAllImageInfosAddress),
+        proctype_image_infos.dyldAllImageInfosAddress);
+  }
+  if (proctype_image_infos.version >= 10) {
+    EXPECT_EQ(static_cast<uint64_t>(self_image_infos->initialImageCount),
+              proctype_image_infos.initialImageCount);
+  }
+  if (proctype_image_infos.version >= 11) {
+    EXPECT_EQ(static_cast<uint64_t>(self_image_infos->errorKind),
+              proctype_image_infos.errorKind);
+    EXPECT_EQ(
+        reinterpret_cast<uint64_t>(self_image_infos->errorClientOfDylibPath),
+        proctype_image_infos.errorClientOfDylibPath);
+    EXPECT_EQ(
+        reinterpret_cast<uint64_t>(self_image_infos->errorTargetDylibPath),
+        proctype_image_infos.errorTargetDylibPath);
+    EXPECT_EQ(reinterpret_cast<uint64_t>(self_image_infos->errorSymbol),
+              proctype_image_infos.errorSymbol);
+
+    TEST_STRING(process_reader,
+                self_image_infos,
+                proctype_image_infos,
+                errorClientOfDylibPath);
+    TEST_STRING(process_reader,
+                self_image_infos,
+                proctype_image_infos,
+                errorTargetDylibPath);
+    TEST_STRING(
+        process_reader, self_image_infos, proctype_image_infos, errorSymbol);
+  }
+  if (proctype_image_infos.version >= 12) {
+    EXPECT_EQ(static_cast<uint64_t>(self_image_infos->sharedCacheSlide),
+              proctype_image_infos.sharedCacheSlide);
+  }
+#endif
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_9
+  if (proctype_image_infos.version >= 13) {
+    EXPECT_EQ(0,
+              memcmp(self_image_infos->sharedCacheUUID,
+                     proctype_image_infos.sharedCacheUUID,
+                     sizeof(self_image_infos->sharedCacheUUID)));
+  }
+  if (proctype_image_infos.version >= 14) {
+    for (size_t index = 0; index < arraysize(self_image_infos->reserved);
+         ++index) {
+      EXPECT_EQ(static_cast<uint64_t>(self_image_infos->reserved[index]),
+                proctype_image_infos.reserved[index])
+          << "index " << index;
+    }
+  }
+#endif
+
+  if (proctype_image_infos.version >= 1) {
+    std::vector<process_types::dyld_image_info> proctype_image_info_vector(
+        proctype_image_infos.infoArrayCount);
+    ASSERT_TRUE(process_types::dyld_image_info::ReadArrayInto(
+        &process_reader,
+        proctype_image_infos.infoArray,
+        proctype_image_info_vector.size(),
+        &proctype_image_info_vector[0]));
+
+    for (size_t index = 0; index < proctype_image_infos.infoArrayCount;
+         ++index) {
+      const dyld_image_info* self_image_info =
+          &self_image_infos->infoArray[index];
+      const process_types::dyld_image_info& proctype_image_info =
+          proctype_image_info_vector[index];
+
+      EXPECT_EQ(reinterpret_cast<uint64_t>(self_image_info->imageLoadAddress),
+                proctype_image_info.imageLoadAddress)
+          << "index " << index;
+      EXPECT_EQ(reinterpret_cast<uint64_t>(self_image_info->imageFilePath),
+                proctype_image_info.imageFilePath)
+          << "index " << index;
+      EXPECT_EQ(static_cast<uint64_t>(self_image_info->imageFileModDate),
+                proctype_image_info.imageFileModDate)
+          << "index " << index;
+
+      TEST_STRING(
+          process_reader, self_image_info, proctype_image_info, imageFilePath);
+    }
+  }
+
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
+  if (proctype_image_infos.version >= 8) {
+    std::vector<process_types::dyld_uuid_info> proctype_uuid_info_vector(
+        proctype_image_infos.uuidArrayCount);
+    ASSERT_TRUE(process_types::dyld_uuid_info::ReadArrayInto(
+        &process_reader,
+        proctype_image_infos.uuidArray,
+        proctype_uuid_info_vector.size(),
+        &proctype_uuid_info_vector[0]));
+
+    for (size_t index = 0; index < proctype_image_infos.uuidArrayCount;
+         ++index) {
+      const dyld_uuid_info* self_uuid_info =
+          &self_image_infos->uuidArray[index];
+      const process_types::dyld_uuid_info& proctype_uuid_info =
+          proctype_uuid_info_vector[index];
+
+      EXPECT_EQ(reinterpret_cast<uint64_t>(self_uuid_info->imageLoadAddress),
+                proctype_uuid_info.imageLoadAddress)
+          << "index " << index;
+      EXPECT_EQ(0,
+                memcmp(self_uuid_info->imageUUID,
+                       proctype_uuid_info.imageUUID,
+                       sizeof(self_uuid_info->imageUUID)))
+          << "index " << index;
+    }
+  }
+#endif
+}
+
+}  // namespace