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| author | Tobias Markmann <tm@ayena.de> | 2018-03-20 13:12:10 (GMT) |
|---|---|---|
| committer | Tobias Markmann <tm@ayena.de> | 2018-03-20 14:48:04 (GMT) |
| commit | f2c2c7d035029fb9615b42c18ccea83e8e705b10 (patch) | |
| tree | 2f56fb77de0f366528395f21732d418f016f63b5 /3rdParty/Breakpad/src/client/mac/crash_generation/Inspector.h | |
| parent | 44581c5285d13c0ec715b35ddc79177e5ebeef39 (diff) | |
| parent | 5ba3f18ad8efa040d49f36d83ec2e7891a9add9f (diff) | |
| download | swift-1e10c17b3585afb3a4bb0e849263dd463816d2c0.zip swift-1e10c17b3585afb3a4bb0e849263dd463816d2c0.tar.bz2 | |
Merge branch 'swift-4.x'swift-5.0alpha2
* swift-4.x: (44 commits)
Test-Information:
Builds on macOS 10.13.3 with clang trunk.
Change-Id: If50381f103b0ad18d038b920d3d43537642141cb
Diffstat (limited to '3rdParty/Breakpad/src/client/mac/crash_generation/Inspector.h')
| -rw-r--r-- | 3rdParty/Breakpad/src/client/mac/crash_generation/Inspector.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/3rdParty/Breakpad/src/client/mac/crash_generation/Inspector.h b/3rdParty/Breakpad/src/client/mac/crash_generation/Inspector.h new file mode 100644 index 0000000..6712355 --- /dev/null +++ b/3rdParty/Breakpad/src/client/mac/crash_generation/Inspector.h @@ -0,0 +1,162 @@ +// Copyright (c) 2007, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// Interface file between the Breakpad.framework and +// the Inspector process. + +#include "common/simple_string_dictionary.h" + +#import <Foundation/Foundation.h> +#include <mach/mach.h> + +#import "client/mac/crash_generation/ConfigFile.h" +#import "client/mac/handler/minidump_generator.h" + + +// Types of mach messsages (message IDs) +enum { + kMsgType_InspectorInitialInfo = 0, // data is InspectorInfo + kMsgType_InspectorKeyValuePair = 1, // data is KeyValueMessageData + kMsgType_InspectorAcknowledgement = 2 // no data sent +}; + +// Initial information sent from the crashed process by +// Breakpad.framework to the Inspector process +// The mach message with this struct as data will also include +// several descriptors for sending mach port rights to the crashed +// task, etc. +struct InspectorInfo { + int exception_type; + int exception_code; + int exception_subcode; + unsigned int parameter_count; // key-value pairs +}; + +// Key/value message data to be sent to the Inspector +struct KeyValueMessageData { + public: + KeyValueMessageData() {} + explicit KeyValueMessageData( + const google_breakpad::SimpleStringDictionary::Entry &inEntry) { + strlcpy(key, inEntry.key, sizeof(key) ); + strlcpy(value, inEntry.value, sizeof(value) ); + } + + char key[google_breakpad::SimpleStringDictionary::key_size]; + char value[google_breakpad::SimpleStringDictionary::value_size]; +}; + +using std::string; +using google_breakpad::MinidumpGenerator; + +namespace google_breakpad { + +//============================================================================= +class MinidumpLocation { + public: + MinidumpLocation(NSString *minidumpDir) { + // Ensure that the path exists. Fallback to /tmp if unable to locate path. + assert(minidumpDir); + if (!EnsureDirectoryPathExists(minidumpDir)) { + minidumpDir = @"/tmp"; + } + + strlcpy(minidump_dir_path_, [minidumpDir fileSystemRepresentation], + sizeof(minidump_dir_path_)); + + // now generate a unique ID + string dump_path(minidump_dir_path_); + string next_minidump_id; + + string next_minidump_path_ = + (MinidumpGenerator::UniqueNameInDirectory(dump_path, &next_minidump_id)); + + strlcpy(minidump_id_, next_minidump_id.c_str(), sizeof(minidump_id_)); + }; + + const char *GetPath() { return minidump_dir_path_; } + const char *GetID() { return minidump_id_; } + + private: + char minidump_dir_path_[PATH_MAX]; // Path to minidump directory + char minidump_id_[128]; +}; + +//============================================================================= +class Inspector { + public: + Inspector() {}; + + // given a bootstrap service name, receives mach messages + // from a crashed process, then inspects it, creates a minidump file + // and asks the user if he wants to upload it to a server. + void Inspect(const char *receive_port_name); + + private: + // The Inspector is invoked with its bootstrap port set to the bootstrap + // subset established in OnDemandServer.mm OnDemandServer::Initialize. + // For proper communication with the system, the sender (which will inherit + // the Inspector's bootstrap port) needs the per-session bootstrap namespace + // available directly in its bootstrap port. OnDemandServer stashed this + // port into the subset namespace under a special name. ResetBootstrapPort + // recovers this port and switches this task to use it as its own bootstrap + // (ensuring that children like the sender will inherit it), and saves the + // subset in bootstrap_subset_port_ for use by ServiceCheckIn and + // ServiceCheckOut. + kern_return_t ResetBootstrapPort(); + + kern_return_t ServiceCheckIn(const char *receive_port_name); + kern_return_t ServiceCheckOut(const char *receive_port_name); + + kern_return_t ReadMessages(); + + bool InspectTask(); + kern_return_t SendAcknowledgement(); + + // The bootstrap port in which the inspector is registered and into which it + // must check in. + mach_port_t bootstrap_subset_port_; + + mach_port_t service_rcv_port_; + + int exception_type_; + int exception_code_; + int exception_subcode_; + mach_port_t remote_task_; + mach_port_t crashing_thread_; + mach_port_t handler_thread_; + mach_port_t ack_port_; + + SimpleStringDictionary config_params_; + + ConfigFile config_file_; +}; + + +} // namespace google_breakpad |