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2afe6dc210
Add MemoryMap::Iterator to support different strategies for locating the start of module mappings on Android and Linux. Beginning with API 21, Bionic provides android_dlopen_ext() which allows passing a file descriptor with an existing relro segment to the loader. This means that the mapping containing the dynamic segment could have a name, device, and inode which are different than the other mappings for the module. The revised strategy for Android at API 21+ is to search all mappings in reverse order from they dynamic array mapping until a module is parsed with the expected dynamic array address. Linux and Android 20- continue to select mappings using the device, inode, and file offsets of the mappings. Bug: crashpad:268 Change-Id: I30e95e51cb6874c00875d2a9c57f1249877736d4 Reviewed-on: https://chromium-review.googlesource.com/c/1374375 Commit-Queue: Joshua Peraza <jperaza@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org>
130 lines
2.9 KiB
Plaintext
130 lines
2.9 KiB
Plaintext
# Copyright 2015 The Crashpad Authors. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import("../build/crashpad_buildconfig.gni")
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config("compat_config") {
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include_dirs = []
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if (crashpad_is_mac) {
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include_dirs += [ "mac" ]
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}
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if (crashpad_is_linux || crashpad_is_android) {
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include_dirs += [ "linux" ]
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}
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if (crashpad_is_android) {
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include_dirs += [ "android" ]
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}
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if (crashpad_is_win) {
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include_dirs += [ "win" ]
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} else {
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include_dirs += [ "non_win" ]
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}
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}
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template("compat_target") {
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if (crashpad_is_mac) {
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# There are no sources to compile, which doesn’t mix will with a
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# static_library.
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group(target_name) {
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forward_variables_from(invoker, "*")
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}
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} else {
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static_library(target_name) {
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forward_variables_from(invoker, "*")
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}
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}
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}
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compat_target("compat") {
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sources = []
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if (crashpad_is_mac) {
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sources += [
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"mac/AvailabilityMacros.h",
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"mac/kern/exc_resource.h",
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"mac/mach-o/loader.h",
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"mac/mach/mach.h",
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"mac/sys/resource.h",
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]
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} else {
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sources += [ "non_mac/mach/mach.h" ]
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}
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if (crashpad_is_linux || crashpad_is_android) {
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sources += [
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"linux/signal.h",
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"linux/sys/ptrace.h",
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"linux/sys/user.h",
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]
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}
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if (crashpad_is_android) {
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sources += [
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"android/android/api-level.cc",
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"android/android/api-level.h",
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"android/dlfcn_internal.cc",
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"android/dlfcn_internal.h",
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"android/elf.h",
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"android/linux/elf.h",
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"android/linux/prctl.h",
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"android/linux/ptrace.h",
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"android/sched.h",
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"android/sys/epoll.cc",
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"android/sys/epoll.h",
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"android/sys/mman.cc",
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"android/sys/mman.h",
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"android/sys/syscall.h",
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"android/sys/user.h",
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]
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}
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if (crashpad_is_win) {
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sources += [
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"win/getopt.h",
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"win/strings.cc",
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"win/strings.h",
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"win/sys/types.h",
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"win/time.cc",
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"win/time.h",
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"win/winbase.h",
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"win/winnt.h",
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"win/winternl.h",
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]
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} else {
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sources += [
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"non_win/dbghelp.h",
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"non_win/minwinbase.h",
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"non_win/timezoneapi.h",
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"non_win/verrsrc.h",
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"non_win/windows.h",
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"non_win/winnt.h",
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]
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}
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public_configs = [
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":compat_config",
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"..:crashpad_config",
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]
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deps = []
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if (crashpad_is_win) {
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deps += [ "../third_party/getopt" ]
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}
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}
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