[K/N] Concurrent phase in GC mark (KT-58865)

+ Log Stop The World reasons

Merge-request: KT-MR-13759
Merged-by: Alexey Glushko <aleksei.glushko@jetbrains.com>

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanConfig.kt

@@ -186,7 +186,7 @@ class KonanConfig(val project: Project, val configuration: CompilerConfiguration
         } ?: arg
     }
 
-    private val defaultGcMarkSingleThreaded get() = target.family == Family.MINGW
+    private val defaultGcMarkSingleThreaded get() = target.family == Family.MINGW && gc == GC.PARALLEL_MARK_CONCURRENT_SWEEP
 
     val gcMarkSingleThreaded: Boolean by lazy {
         configuration.get(BinaryOptions.gcMarkSingleThreaded) ?: defaultGcMarkSingleThreaded
@@ -203,6 +203,12 @@ class KonanConfig(val project: Project, val configuration: CompilerConfiguration
                         "Mutators cooperation is not supported during single threaded mark")
             }
             false
+        } else if (gc == GC.CONCURRENT_MARK_AND_SWEEP) {
+            if (mutatorsCooperate == true) {
+                configuration.report(CompilerMessageSeverity.STRONG_WARNING,
+                        "Mutators cooperation is not yet supported in CMS GC")
+            }
+            false
         } else {
             mutatorsCooperate ?: true
         }

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/RuntimeLogging.kt

@@ -30,6 +30,7 @@ enum class LoggingTag(val ord: Int) {
     Alloc(6),
     Balancing(7),
     Barriers(8),
+    GCMark(9),
     ;
 
     companion object {

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/ContextUtils.kt

@@ -481,7 +481,6 @@ internal class CodegenLlvmHelpers(private val generationState: NativeGenerationS
 
     val Kotlin_processObjectInMark by lazyRtFunction
     val Kotlin_processArrayInMark by lazyRtFunction
-    val Kotlin_processFieldInMark by lazyRtFunction
     val Kotlin_processEmptyObjectInMark by lazyRtFunction
 
     val UpdateVolatileHeapRef by lazyRtFunction

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/optimizations/EscapeAnalysis.kt

@@ -1828,6 +1828,10 @@ internal object EscapeAnalysis {
                     IntraproceduralAnalysis(context, moduleDFG, externalModulesDFG, callGraph).analyze()
             InterproceduralAnalysis(context, generationState, callGraph, intraproceduralAnalysisResult, externalModulesDFG, lifetimes,
                     propagateExiledToHeapObjects = context.config.memoryModel != MemoryModel.EXPERIMENTAL
+                            // The GC must be careful not to scan exiled objects, that have already became dead,
+                            // as they may reference other already destroyed stack-allocated objects.
+                            // TODO somehow tag these object, so that GC could handle them properly.
+                            || context.config.gc == GC.CONCURRENT_MARK_AND_SWEEP
             ).analyze()
         } catch (t: Throwable) {
             val extraUserInfo =