From 66a3b803910b389de38703ce349695a247146f5b Mon Sep 17 00:00:00 2001
From: "Mateusz Moscicki/System (PLT) /SRPOL/Engineer/Samsung Electronics"
 <m.moscicki2@partner.samsung.com>
Date: Mon, 5 Oct 2020 03:33:40 +0200
Subject: [Tizen] Add method to write coredump of .NET process (#317)

This method allows to create minimal coredump (as createdump does) of a
process that is in dumping state after crash.
---
 src/debug/createdump/CMakeLists.txt        |  1 +
 src/debug/createdump/dnetmemoryenumlib.cpp | 84 +++++++++++++++++++++---------
 src/debug/createdump/dnetmemoryenumlib.h   |  6 ++-
 3 files changed, 65 insertions(+), 26 deletions(-)

(limited to 'src')

diff --git a/src/debug/createdump/CMakeLists.txt b/src/debug/createdump/CMakeLists.txt
index 7063b57c93..9d99dc0ef0 100644
--- a/src/debug/createdump/CMakeLists.txt
+++ b/src/debug/createdump/CMakeLists.txt
@@ -33,6 +33,7 @@ set(DNETMEMORYENUM_SOURCES
     crashinfo.cpp
     threadinfo.cpp
     datatarget.cpp
+    dumpwriter.cpp
 )
 
 _add_library(createdump_lib
diff --git a/src/debug/createdump/dnetmemoryenumlib.cpp b/src/debug/createdump/dnetmemoryenumlib.cpp
index 3e0dc5bb58..1c07881804 100644
--- a/src/debug/createdump/dnetmemoryenumlib.cpp
+++ b/src/debug/createdump/dnetmemoryenumlib.cpp
@@ -46,23 +46,9 @@ get_regions(CrashInfo *crashInfo)
     return reg_vec;
 }
 
-
-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)
+int
+prepare_crash_info(pid_t pid, elf_prstatus **statuses, int statuses_count,
+                        DUMP_TYPE minidump_type, ReleaseHolder<CrashInfo> &crash_info)
 {
     g_diagnostics = true;
 
@@ -91,19 +77,16 @@ DotNetMemoryEnumRegions(pid_t pid, elf_prstatus **statuses, int statuses_count,
     if (pid != 0)
     {
         ReleaseHolder<DumpDataTarget> dataTarget = new DumpDataTarget(pid);
-        ReleaseHolder<CrashInfo> crashInfo = new CrashInfo(pid, dataTarget, true);
+        crash_info = new CrashInfo(pid, dataTarget, true);
 
-        if (dataTarget->Initialize(crashInfo))
+        if (dataTarget->Initialize(crash_info))
         {
-            if (!crashInfo->EnumerateAndSuspendThreads(false))
+            if (!crash_info->EnumerateAndSuspendThreads(false))
             {
                 return REGERR_ENUMERATION_ERROR;
             }
-            crashInfo->SetThreadsRegisters(stats);
-            crashInfo->GatherCrashInfo(minidumpType, false);
-            sm_regions = get_regions(crashInfo);
-            *regions = sm_regions.data();
-            exitCode = sm_regions.size();
+            crash_info->SetThreadsRegisters(stats);
+            crash_info->GatherCrashInfo(minidumpType, false);
         }
         else
         {
@@ -116,3 +99,54 @@ DotNetMemoryEnumRegions(pid_t pid, elf_prstatus **statuses, int statuses_count,
     }
     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;
+}
diff --git a/src/debug/createdump/dnetmemoryenumlib.h b/src/debug/createdump/dnetmemoryenumlib.h
index 930d4f33c5..feb5c28178 100644
--- a/src/debug/createdump/dnetmemoryenumlib.h
+++ b/src/debug/createdump/dnetmemoryenumlib.h
@@ -45,11 +45,15 @@ enum REG_ERR {
     REGERR_OK = 0,
     REGERR_WRONG_PID = -1,
     REGERR_INITIALIZATION_ERROR = -2,
-    REGERR_ENUMERATION_ERROR = -3
+    REGERR_ENUMERATION_ERROR = -3,
+    REGERR_OPENDUMP_ERROR = -4,
+    REGERR_WRITEDUMP_ERROR = -5,
 };
 
 extern "C" DLLEXPORT int DotNetMemoryEnumRegions(pid_t pid, elf_prstatus **statuses, int statuses_count,
                                        DUMP_TYPE minidump_type,  SimpleMemoryRegion **regions);
+extern "C" DLLEXPORT int DotNetMemoryWriteDump(pid_t pid, elf_prstatus **statuses, int statuses_count,
+                                       DUMP_TYPE minidump_type,  const char *dump_path);
 extern "C" DLLEXPORT int DotNetMemoryEnumInit();
 extern "C" DLLEXPORT void DotNetMemoryEnumFinish();
 
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