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/*
* The MIT License (MIT)
*
* Copyright (c) 2019-2020 Samsung Electronics Co., Ltd.
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdarg.h>
#include <iostream>
#include <vector>
#include "createdump.h"
#include "dnetmemoryenumlib.h"
bool g_diagnostics = false;
std::vector<SimpleMemoryRegion> sm_regions;
static std::vector<SimpleMemoryRegion>
get_regions(CrashInfo *crashInfo)
{
std::vector<SimpleMemoryRegion> reg_vec;
for (const MemoryRegion& memoryRegion : crashInfo->MemoryRegions()) {
if (memoryRegion.IsBackedByMemory()) {
reg_vec.push_back({memoryRegion.StartAddress(), memoryRegion.Size()});
}
}
return reg_vec;
}
int
prepare_crash_info(pid_t pid, elf_prstatus **statuses, int statuses_count,
DUMP_TYPE minidump_type, ReleaseHolder<CrashInfo> &crash_info)
{
g_diagnostics = true;
std::vector<elf_prstatus*> stats;
for (int i = 0; i < statuses_count; i++) {
stats.push_back(statuses[i]);
}
MINIDUMP_TYPE minidumpType;
switch (minidump_type) {
case DT_NORMAL:
default:
minidumpType = MiniDumpNormal;
break;
case DT_WITH_PRIV_AND_SHARED_MEM:
minidumpType = MiniDumpWithPrivateReadWriteMemory;
break;
case DT_FULL:
minidumpType = MiniDumpWithFullMemory;
break;
}
int exitCode = REGERR_OK;
if (pid != 0)
{
ReleaseHolder<DumpDataTarget> dataTarget = new DumpDataTarget(pid);
crash_info = new CrashInfo(pid, dataTarget, true);
if (dataTarget->Initialize(crash_info))
{
if (!crash_info->EnumerateAndSuspendThreads(false))
{
return REGERR_ENUMERATION_ERROR;
}
crash_info->SetThreadsRegisters(stats);
crash_info->GatherCrashInfo(minidumpType, false);
}
else
{
exitCode = REGERR_INITIALIZATION_ERROR;
}
}
else
{
exitCode = REGERR_WRONG_PID;
}
return exitCode;
}
extern "C" DLLEXPORT int
DotNetMemoryEnumInit()
{
int exitCode = PAL_InitializeDLL();
return exitCode;
}
extern "C" DLLEXPORT void
DotNetMemoryEnumFinish()
{
PAL_TerminateEx(0);
}
extern "C" DLLEXPORT int
DotNetMemoryEnumRegions(pid_t pid, elf_prstatus **statuses, int statuses_count,
DUMP_TYPE minidump_type, SimpleMemoryRegion **regions)
{
ReleaseHolder<CrashInfo> crashInfo;
int exitCode = prepare_crash_info(pid, statuses, statuses_count, minidump_type, crashInfo);
if (exitCode != REGERR_OK)
return exitCode;
sm_regions = get_regions(crashInfo);
*regions = sm_regions.data();
exitCode = sm_regions.size();
return exitCode;
}
extern "C" DLLEXPORT int
DotNetMemoryWriteDump(pid_t pid, elf_prstatus **statuses, int statuses_count,
DUMP_TYPE minidump_type, const char *dump_path)
{
ReleaseHolder<CrashInfo> crashInfo;
int exitCode = prepare_crash_info(pid, statuses, statuses_count, minidump_type, crashInfo);
if (exitCode != REGERR_OK)
return exitCode;
ReleaseHolder<DumpWriter> dumpWriter = new DumpWriter(*crashInfo);
if (!dumpWriter->OpenDump(dump_path))
exitCode = REGERR_OPENDUMP_ERROR;
if (!dumpWriter->WriteDump())
exitCode = REGERR_WRITEDUMP_ERROR;
return exitCode;
}
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