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When code raises an Objective-C exception, unwind the stack looking for any exception handlers. If an exception handler is encountered, test to see if it is a function known to be a catch-and-rethrow 'sinkhole' exception handler. Various routines in UIKit and elsewhere do this, and they obscure the exception stack, since the original throw location is no longer present on the stack (just the re-throw) when Crashpad captures the crash report. In the case of sinkholes, trigger an immediate exception to capture the original stack. The is an improvement over the alternative, NSSetUncaughtExceptionHandler, which passes along the stack frames, but not the stack memory contents and full exception context itself. The details of what happens after a fatal exception is triggered are unresolved in this CL. For now, simply call std::terminate. This code was inspired by chromium/src/chrome/browser/mac/ exception_processor.mm. Bug: crashpad:31 Change-Id: Ieebc6476a0507c466c8219c10f790ec0a624e58c Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/2125254 Commit-Queue: Justin Cohen <justincohen@chromium.org> Reviewed-by: Robert Sesek <rsesek@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org>
174 lines
4.0 KiB
Plaintext
174 lines
4.0 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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static_library("client") {
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sources = [
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"annotation.cc",
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"annotation.h",
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"annotation_list.cc",
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"annotation_list.h",
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"crash_report_database.cc",
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"crash_report_database.h",
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"crashpad_client.h",
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"crashpad_info.cc",
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"crashpad_info.h",
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"prune_crash_reports.cc",
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"prune_crash_reports.h",
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"settings.cc",
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"settings.h",
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"simple_address_range_bag.h",
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"simple_string_dictionary.h",
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"simulate_crash.h",
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]
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if (crashpad_is_mac) {
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sources += [
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"crash_report_database_mac.mm",
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"crashpad_client_mac.cc",
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"simulate_crash_mac.cc",
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"simulate_crash_mac.h",
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]
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}
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if (crashpad_is_ios) {
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sources += [
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"crash_report_database_mac.mm",
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"crashpad_client_ios.cc",
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]
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}
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if (crashpad_is_linux || crashpad_is_android) {
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set_sources_assignment_filter([])
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sources += [
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"crashpad_client_linux.cc",
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"simulate_crash_linux.h",
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]
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}
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if (crashpad_is_linux || crashpad_is_android || crashpad_is_fuchsia) {
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sources += [
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"client_argv_handling.cc",
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"client_argv_handling.h",
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"crashpad_info_note.S",
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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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"crash_report_database_win.cc",
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"crashpad_client_win.cc",
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"simulate_crash_win.h",
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]
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}
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if (crashpad_is_fuchsia) {
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sources += [ "crashpad_client_fuchsia.cc" ]
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}
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if (crashpad_is_linux || crashpad_is_android || crashpad_is_fuchsia) {
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sources += [ "crash_report_database_generic.cc" ]
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}
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public_configs = [ "..:crashpad_config" ]
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public_deps = [
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"../third_party/mini_chromium:base",
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"../util",
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]
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deps = []
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if (crashpad_is_win) {
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libs = [ "rpcrt4.lib" ]
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cflags = [ "/wd4201" ] # nonstandard extension used : nameless struct/union
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}
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# TODO(justincohen): Temporary dependency to bring up the iOS client.
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if (crashpad_is_ios) {
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deps += [
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"../minidump",
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"../snapshot",
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]
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}
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if (crashpad_is_linux || crashpad_is_android) {
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deps += [ "../third_party/lss" ]
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}
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if (crashpad_is_fuchsia) {
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deps += [ "../third_party/fuchsia" ]
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if (crashpad_is_in_fuchsia) {
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deps += [ "//zircon/public/lib/fdio" ]
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}
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}
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}
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source_set("client_test") {
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testonly = true
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sources = [
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"annotation_list_test.cc",
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"annotation_test.cc",
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"crash_report_database_test.cc",
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"prune_crash_reports_test.cc",
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"settings_test.cc",
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"simple_address_range_bag_test.cc",
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"simple_string_dictionary_test.cc",
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]
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if (crashpad_is_mac) {
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sources += [ "simulate_crash_mac_test.cc" ]
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}
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if (crashpad_is_win) {
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sources += [ "crashpad_client_win_test.cc" ]
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}
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if (crashpad_is_ios) {
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sources += [ "crashpad_client_ios_test.mm" ]
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sources -= [
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"annotation_list_test.cc",
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"annotation_test.cc",
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"crash_report_database_test.cc",
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"prune_crash_reports_test.cc",
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"settings_test.cc",
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]
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}
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if (crashpad_is_linux || crashpad_is_android) {
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sources += [ "crashpad_client_linux_test.cc" ]
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}
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deps = [
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":client",
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"../compat",
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"../snapshot",
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"../test",
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"../third_party/gtest:gmock",
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"../third_party/gtest:gtest",
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"../third_party/mini_chromium:base",
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"../util",
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]
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if (!crashpad_is_ios) {
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data_deps = [ "../handler:crashpad_handler" ]
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}
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if (crashpad_is_win) {
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data_deps += [ "../handler:crashpad_handler_console" ]
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}
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}
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