57f58f8e4a
Processes that don't have dumpable set to 1 cannot have their process/thread names read by processes that don't have all of their capabilities. Fetch these names in crash_dump before dropping privileges. Bug: http://b/36237221 Test: debuggerd_test Test: debuggerd -b `pidof android.hardware.bluetooth@1.0-service` Change-Id: I174769e7b3c1ea9f11f9c8cbdff83028a4225783
53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
/*
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* Copyright (C) 2012 The Android Open Source Project
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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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*/
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#ifndef _DEBUGGERD_TOMBSTONE_H
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#define _DEBUGGERD_TOMBSTONE_H
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#include <stdbool.h>
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#include <stddef.h>
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#include <sys/types.h>
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#include <map>
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#include <string>
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#include "open_files_list.h"
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class BacktraceMap;
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/* Create and open a tombstone file for writing.
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* Returns a writable file descriptor, or -1 with errno set appropriately.
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* If out_path is non-null, *out_path is set to the path of the tombstone file.
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*/
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int open_tombstone(std::string* path);
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/* Creates a tombstone file and writes the crash dump to it. */
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void engrave_tombstone(int tombstone_fd, BacktraceMap* map, const OpenFilesList* open_files,
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pid_t pid, pid_t tid, const std::string& process_name,
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const std::map<pid_t, std::string>& threads, uintptr_t abort_msg_address,
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std::string* amfd_data);
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void engrave_tombstone_ucontext(int tombstone_fd, uintptr_t abort_msg_address, siginfo_t* siginfo,
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ucontext_t* ucontext);
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// Compatibility shim.
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__attribute__((__unused__))
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static void engrave_tombstone_ucontext(int tombstone_fd, pid_t, pid_t, uintptr_t abort_msg_address,
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siginfo_t* siginfo, ucontext_t* ucontext) {
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engrave_tombstone_ucontext(tombstone_fd, abort_msg_address, siginfo, ucontext);
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}
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#endif // _DEBUGGERD_TOMBSTONE_H
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