[2019-10] Bump msbuild to track mono-2019-10 #10
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See msys2/MINGW-packages#5803 Without -lssp (or -fstack-protector), -D_FORTIFY_SOURCE=2 leads to linker errors.
…address families. (mono#18321) Fixes mono#16513. Co-authored-by: Martin Baulig <[email protected]>
…efs (mono#18338) * [metadata] Size 0 Blob heap is ok when resolving assembly refs Sometimes ILasm can produce images with a Blob heap of size 0. In cases where we're loading assembly references from such an image, the hash (which is optional) can be at index = 0 and the Blob heap size is also 0. Also: add the hash value to the output of `monodis --assemblyref` * [metadata] Add a separate assertion for the index == size == 0 case And a comment explaining how it is likely to be triggered. If the assembly is reasonable the caller of mono_metadata_blob_heap should be updated to use mono_metadata_blob_heap_null_ok instead * [bcl] Allow Mono's ILASM to produce a size 0 Blob heap ECMA 335 II.24.2.4 says that the user string and blob heaps should have an entry at index 0 consisting of the single byte 0. However .NET Framework (and .NET Core) ilasm will entirely omit the Blob heap (that is, create a blob heap entry of size 0) if it is not needed. This PR changes Mono's ILASM to emit the initial byte on demand only if one of the MetaDataStream.Add() methods is called. Otherwise we will also emit a stream of size 0. This is needed to compile some test cases. * [tests] Add regression test for loading assemblies with size 0 Blob heap Depends on ILASM that can emit a size 0 Blob heap
…of watched folder on mac (#41963) (mono#18224) Backport of dotnet/corefx#41963 Fixes mono#16778 corefx PR: mono/corefx#385
…yptography.Pkcs facade (mono#18363) * Add SignedCms to the typeforwards in the System.Security.Cryptography.Pkcs facade * Added additional missing types from System.Security.Cryptography.Pkcs. * It would be nice if the files I added had namespaces ;-) * [csproj] Update project files * Bump API snapshot submodule
* Bump msbuild to track mono-2019-10 - update nuget.exe to 5.5.0-preview1 to match
…R loads and stores. (mono#18369) Should fix mono#18221. Backport of mono#18296.
…aking calls out of gsharedvt methods. (mono#18366) * [jit] Avoid passing a vtable argument to DIM methods when making calls out of gsharedvt methods. Fixes mono#18276.
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[2019-12] [debugger] skip suspend for unattached threads When the debugger tries to suspend all the VM threads, it can happen with cooperative-suspend that it tries to suspend a thread that has previously been attached, but then did a "light" detach (that only unsets the domain). With the domain set to `NULL`, looking up a JitInfo for a given `ip` will result into a crash, but it isn't even necessarily needed for the purpose of suspending a thread. More details: Consider the following: ``` (lldb) c error: Process is running. Use 'process interrupt' to pause execution. Process 12832 stopped * thread #9, name = 'tid_a31f', queue = 'NSOperationQueue 0x8069b670 (QOS: UTILITY)', stop reason = breakpoint 1.1 frame #0: 0x00222870 WatchWCSessionAppWatchOSExtension`debugger_interrupt_critical(info=0x81365400, user_data=0xb04dc718) at debugger-agent.c:2716:6 2713 MonoDomain *domain = (MonoDomain *) mono_thread_info_get_suspend_state (info)->unwind_data [MONO_UNWIND_DATA_DOMAIN]; 2714 if (!domain) { 2715 /* not attached */ -> 2716 ji = NULL; 2717 } else { 2718 ji = mono_jit_info_table_find_internal ( domain, MONO_CONTEXT_GET_IP (&mono_thread_info_get_suspend_state (info)->ctx), TRUE, TRUE); 2719 } Target 0: (WatchWCSessionAppWatchOSExtension) stopped. (lldb) bt * thread #9, name = 'tid_a31f', queue = 'NSOperationQueue 0x8069b670 (QOS: UTILITY)', stop reason = breakpoint 1.1 * frame #0: 0x00222870 WatchWCSessionAppWatchOSExtension`debugger_interrupt_critical(info=0x81365400, user_data=0xb04dc718) at debugger-agent.c:2716:6 frame #1: 0x004e177b WatchWCSessionAppWatchOSExtension`mono_thread_info_safe_suspend_and_run(id=0xb0767000, interrupt_kernel=0, callback=(WatchWCSessionAppWatchOSExtension`debugger_interrupt_critical at debugger-agent.c:2708), user_data=0xb04dc718) at mono-threads.c:1358:19 frame #2: 0x00222799 WatchWCSessionAppWatchOSExtension`notify_thread(key=0x03994508, value=0x81378c00, user_data=0x00000000) at debugger-agent.c:2747:2 frame #3: 0x00355bd8 WatchWCSessionAppWatchOSExtension`mono_g_hash_table_foreach(hash=0x8007b4e0, func=(WatchWCSessionAppWatchOSExtension`notify_thread at debugger-agent.c:2733), user_data=0x00000000) at mono-hash.c:310:4 frame #4: 0x0021e955 WatchWCSessionAppWatchOSExtension`suspend_vm at debugger-agent.c:2844:3 frame #5: 0x00225ff0 WatchWCSessionAppWatchOSExtension`process_event(event=EVENT_KIND_THREAD_START, arg=0x039945d0, il_offset=0, ctx=0x00000000, events=0x805b28e0, suspend_policy=2) at debugger-agent.c:4012:3 frame #6: 0x00227c7c WatchWCSessionAppWatchOSExtension`process_profiler_event(event=EVENT_KIND_THREAD_START, arg=0x039945d0) at debugger-agent.c:4072:2 frame #7: 0x0021b174 WatchWCSessionAppWatchOSExtension`thread_startup(prof=0x00000000, tid=2957889536) at debugger-agent.c:4149:2 frame #8: 0x0037912d WatchWCSessionAppWatchOSExtension`mono_profiler_raise_thread_started(tid=2957889536) at profiler-events.h:103:1 frame #9: 0x003d53da WatchWCSessionAppWatchOSExtension`fire_attach_profiler_events(tid=0xb04dd000) at threads.c:1120:2 frame #10: 0x003d4d83 WatchWCSessionAppWatchOSExtension`mono_thread_attach(domain=0x801750a0) at threads.c:1547:2 frame #11: 0x003df1a1 WatchWCSessionAppWatchOSExtension`mono_threads_attach_coop_internal(domain=0x801750a0, cookie=0xb04dcc0c, stackdata=0xb04dcba8) at threads.c:6008:3 frame #12: 0x003df287 WatchWCSessionAppWatchOSExtension`mono_threads_attach_coop(domain=0x00000000, dummy=0xb04dcc0c) at threads.c:6045:9 frame #13: 0x005034b8 WatchWCSessionAppWatchOSExtension`::xamarin_switch_gchandle(self=0x80762c20, to_weak=false) at runtime.m:1805:2 frame #14: 0x005065c1 WatchWCSessionAppWatchOSExtension`::xamarin_retain_trampoline(self=0x80762c20, sel="retain") at trampolines.m:693:2 frame #15: 0x657ea520 libobjc.A.dylib`objc_retain + 64 frame #16: 0x4b4d9caa WatchConnectivity`__66-[WCSession onqueue_handleDictionaryMessageRequest:withPairingID:]_block_invoke + 279 frame #17: 0x453c7df7 Foundation`__NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK__ + 12 frame #18: 0x453c7cf4 Foundation`-[NSBlockOperation main] + 88 frame #19: 0x453cacee Foundation`__NSOPERATION_IS_INVOKING_MAIN__ + 27 frame #20: 0x453c6ebd Foundation`-[NSOperation start] + 835 frame #21: 0x453cb606 Foundation`__NSOPERATIONQUEUE_IS_STARTING_AN_OPERATION__ + 27 frame #22: 0x453cb12e Foundation`__NSOQSchedule_f + 194 frame #23: 0x453cb26e Foundation`____addOperations_block_invoke_4 + 20 frame #24: 0x65de007b libdispatch.dylib`_dispatch_call_block_and_release + 15 frame #25: 0x65de126f libdispatch.dylib`_dispatch_client_callout + 14 frame #26: 0x65de3788 libdispatch.dylib`_dispatch_continuation_pop + 421 frame #27: 0x65de2ee3 libdispatch.dylib`_dispatch_async_redirect_invoke + 818 frame #28: 0x65df087d libdispatch.dylib`_dispatch_root_queue_drain + 354 frame #29: 0x65df0ff3 libdispatch.dylib`_dispatch_worker_thread2 + 109 frame #30: 0x66024fa0 libsystem_pthread.dylib`_pthread_wqthread + 208 frame #31: 0x66024e44 libsystem_pthread.dylib`start_wqthread + 36 ``` Going further, `info` is about this thread: ``` (lldb) p/x *(int *)(((char *) info->node.key) + 0xa0) (int) $2 = 0x01243f93 (lldb) thread list Process 12832 stopped thread #1: tid = 0x1243ee1, 0x65f7e396 libsystem_kernel.dylib`mach_msg_trap + 10, name = 'tid_303', queue = 'com.apple.main-thread' thread #2: tid = 0x1243ee6, 0x65f816e2 libsystem_kernel.dylib`__recvfrom + 10 thread #3: tid = 0x1243ee7, 0x65f81aea libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'SGen worker' thread #4: tid = 0x1243ee9, 0x65f7e3d2 libsystem_kernel.dylib`semaphore_wait_trap + 10, name = 'Finalizer' thread #5: tid = 0x1243eea, 0x65f816e2 libsystem_kernel.dylib`__recvfrom + 10, name = 'Debugger agent' thread #6: tid = 0x1243f1d, 0x65f7e396 libsystem_kernel.dylib`mach_msg_trap + 10, name = 'com.apple.uikit.eventfetch-thread' thread #8: tid = 0x1243f93, 0x65f7e396 libsystem_kernel.dylib`mach_msg_trap + 10, name = 'tid_6d0f', queue = 'NSOperationQueue 0x8069b300 (QOS: UTILITY)' * thread #9: tid = 0x12443a9, 0x00222870 WatchWCSessionAppWatchOSExtension`debugger_interrupt_critical(info=0x81365400, user_data=0xb04dc718) at debugger-agent.c:2716:6, name = 'tid_a31f', queue = 'NSOperationQueue 0x8069b670 (QOS: UTILITY)', stop reason = breakpoint 1.1 thread #10: tid = 0x1244581, 0x65f7fd32 libsystem_kernel.dylib`__workq_kernreturn + 10 (lldb) thread select 8 * thread #8, name = 'tid_6d0f', queue = 'NSOperationQueue 0x8069b300 (QOS: UTILITY)' frame #0: 0x65f7e396 libsystem_kernel.dylib`mach_msg_trap + 10 libsystem_kernel.dylib`mach_msg_trap: -> 0x65f7e396 <+10>: retl 0x65f7e397 <+11>: nop libsystem_kernel.dylib`mach_msg_overwrite_trap: 0x65f7e398 <+0>: movl $0xffffffe0, %eax ; imm = 0xFFFFFFE0 0x65f7e39d <+5>: calll 0x65f85f44 ; _sysenter_trap (lldb) bt * thread #8, name = 'tid_6d0f', queue = 'NSOperationQueue 0x8069b300 (QOS: UTILITY)' * frame #0: 0x65f7e396 libsystem_kernel.dylib`mach_msg_trap + 10 frame #1: 0x65f7e8ff libsystem_kernel.dylib`mach_msg + 47 frame #2: 0x66079679 libxpc.dylib`_xpc_send_serializer + 104 frame #3: 0x660794da libxpc.dylib`_xpc_pipe_simpleroutine + 80 frame #4: 0x66079852 libxpc.dylib`xpc_pipe_simpleroutine + 43 frame #5: 0x66043a8f libsystem_trace.dylib`___os_activity_stream_reflect_block_invoke_2 + 30 frame #6: 0x65de126f libdispatch.dylib`_dispatch_client_callout + 14 frame #7: 0x65de3d71 libdispatch.dylib`_dispatch_block_invoke_direct + 257 frame #8: 0x65de3c62 libdispatch.dylib`dispatch_block_perform + 112 frame #9: 0x6604349a libsystem_trace.dylib`_os_activity_stream_reflect + 725 frame #10: 0x6604ef19 libsystem_trace.dylib`_os_log_impl_stream + 468 frame #11: 0x6604e44d libsystem_trace.dylib`_os_log_impl_flatten_and_send + 6410 frame #12: 0x6604cb3b libsystem_trace.dylib`_os_log + 137 frame #13: 0x6604f4aa libsystem_trace.dylib`_os_log_impl + 31 frame #14: 0x4b4eb4e9 WatchConnectivity`WCSerializePayloadDictionary + 393 frame #15: 0x4b4d7c4d WatchConnectivity`-[WCSession onqueue_sendResponseDictionary:identifier:] + 195 frame #16: 0x4b4da435 WatchConnectivity`__66-[WCSession onqueue_handleDictionaryMessageRequest:withPairingID:]_block_invoke.411 + 35 frame #17: 0x453c7df7 Foundation`__NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK__ + 12 frame #18: 0x453c7cf4 Foundation`-[NSBlockOperation main] + 88 frame #19: 0x453cacee Foundation`__NSOPERATION_IS_INVOKING_MAIN__ + 27 frame #20: 0x453c6ebd Foundation`-[NSOperation start] + 835 frame #21: 0x453cb606 Foundation`__NSOPERATIONQUEUE_IS_STARTING_AN_OPERATION__ + 27 frame #22: 0x453cb12e Foundation`__NSOQSchedule_f + 194 frame #23: 0x453cb067 Foundation`____addOperations_block_invoke_2 + 20 frame #24: 0x65dedf49 libdispatch.dylib`_dispatch_block_async_invoke2 + 77 frame #25: 0x65de4461 libdispatch.dylib`_dispatch_block_async_invoke_and_release + 17 frame #26: 0x65de126f libdispatch.dylib`_dispatch_client_callout + 14 frame #27: 0x65de3788 libdispatch.dylib`_dispatch_continuation_pop + 421 frame #28: 0x65de2ee3 libdispatch.dylib`_dispatch_async_redirect_invoke + 818 frame #29: 0x65df087d libdispatch.dylib`_dispatch_root_queue_drain + 354 frame #30: 0x65df0ff3 libdispatch.dylib`_dispatch_worker_thread2 + 109 frame #31: 0x66024fa0 libsystem_pthread.dylib`_pthread_wqthread + 208 frame mono#32: 0x66024e44 libsystem_pthread.dylib`start_wqthread + 36 ``` which is a thread in a "light" detach state (aka. coop detach), where we only unset the domain: https://github.com/mono/mono/blob/4cefdcb7ce2d939ee78fb45d1b4913eb3bc064fd/mono/metadata/threads.c#L6084-L6111 Fixes mono#17926 <!-- Thank you for your Pull Request! If you are new to contributing to Mono, please try to do your best at conforming to our coding guidelines http://www.mono-project.com/community/contributing/coding-guidelines/ but don't worry if you get something wrong. One of the project members will help you to get things landed. Does your pull request fix any of the existing issues? Please use the following format: Fixes #issue-number --> Backport of mono#18105. /cc @lewurm
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The thread_stopped profiler event can be raised by the thread_info_key_dtor tls key destructor when the thread is already doesn't have a domain set. In that case, don't call process_profiler_event since it cannot handle a thread with null TLS values. Addresses dotnet/android#2920 with the following stack trace ``` * thread #20, name = 'Filter', stop reason = signal SIGSEGV: invalid address (fault address: 0xbc) * frame #0: libmonosgen-2.0.so`mono_class_vtable_checked(domain=0x0000000000000000, klass=0x0000007200230648, error=0x00000071e92f9178) at object.c:1890 frame #1: libmonosgen-2.0.so`get_current_thread_ptr_for_domain(domain=0x0000000000000000, thread=0x00000071ebfec508) at threads.c:595 frame #2: libmonosgen-2.0.so`mono_thread_current at threads.c:1939 frame #3: libmonosgen-2.0.so`process_event(event=<unavailable>, arg=<unavailable>, il_offset=<unavailable>, ctx=<unavailable>, events=<unavailable>, suspend_policy=<unavailable>) at debugger-agent.c:3715 frame #4: libmonosgen-2.0.so`thread_end [inlined] process_profiler_event(event=EVENT_KIND_THREAD_DEATH, arg=0x00000071ebfec508) at debugger-agent.c:3875 frame #5: libmonosgen-2.0.so`thread_end(prof=<unavailable>, tid=<unavailable>) at debugger-agent.c:3991 frame #6: libmonosgen-2.0.so`mono_profiler_raise_thread_stopped(tid=<unavailable>) at profiler-events.h:105 frame #7: libmonosgen-2.0.so`mono_thread_detach_internal(thread=<unavailable>) at threads.c:979 frame #8: libmonosgen-2.0.so`thread_detach(info=0x00000071e949a000) at threads.c:3215 frame #9: libmonosgen-2.0.so`unregister_thread(arg=<unavailable>) at mono-threads.c:544 frame #10: libmonosgen-2.0.so`thread_info_key_dtor(arg=0x00000071e949a000) at mono-threads.c:774 frame #11: 0x00000072899c58e8 libc.so`pthread_key_clean_all() + 124 frame #12: 0x00000072899c5374 libc.so`pthread_exit + 76 frame #13: 0x00000072899c5264 libc.so`__pthread_start(void*) + 44 frame #14: 0x000000728996617c libc.so`__start_thread + 72 ```
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…ono#18533) `jit_tls->interp_context` gets initialized lazily, that is, upon the first interpreter execution on a specific thread (e.g. via interp_runtime_invoke). However, with mixed mode the execution can purely happen in AOT code upon the first interaction with the managed debugger. Stack trace: ``` thread #1, name = 'tid_407', queue = 'com.apple.main-thread' frame #0: 0x0000000190aedc94 libsystem_kernel.dylib`__psynch_cvwait + 8 frame #1: 0x0000000190a0f094 libsystem_pthread.dylib`_pthread_cond_wait$VARIANT$armv81 + 672 frame #2: 0x000000010431318c reloadcontext.iOS`mono_os_cond_wait(cond=0x0000000104b9ba78, mutex=0x0000000104b9ba30) at mono-os-mutex.h:219:8 frame #3: 0x0000000104312a68 reloadcontext.iOS`mono_coop_cond_wait(cond=0x0000000104b9ba78, mutex=0x0000000104b9ba30) at mono-coop-mutex.h:91:2 frame #4: 0x0000000104312858 reloadcontext.iOS`suspend_current at debugger-agent.c:3021:4 frame #5: 0x000000010431be18 reloadcontext.iOS`process_event(event=EVENT_KIND_BREAKPOINT, arg=0x0000000145d09ae8, il_offset=0, ctx=0x0000000149015c20, events=0x0000000000000000, suspend_policy=2) at debugger-agent.c:4058:3 frame #6: 0x0000000104310cf4 reloadcontext.iOS`process_breakpoint_events(_evts=0x000000028351a680, method=0x0000000145d09ae8, ctx=0x0000000149015c20, il_offset=0) at debugger-agent.c:4722:3 frame #7: 0x000000010432f1c8 reloadcontext.iOS`mono_de_process_breakpoint(void_tls=0x0000000149014e00, from_signal=0) at debugger-engine.c:1141:2 frame #8: 0x000000010430f238 reloadcontext.iOS`debugger_agent_breakpoint_from_context(ctx=0x000000016f656790) at debugger-agent.c:4938:2 frame #9: 0x00000001011b73a4 reloadcontext.iOS`sdb_breakpoint_trampoline + 148 frame #10: 0x00000001008511b4 reloadcontext.iOS`reloadcontext_iOS_Application_Main_string__(args=0x000000010703a030) at Main.cs:14 frame #11: 0x00000001010f9730 reloadcontext.iOS`wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr + 272 frame #12: 0x00000001042fd8b8 reloadcontext.iOS`mono_jit_runtime_invoke(method=0x0000000145d09ae8, obj=0x0000000000000000, params=0x000000016f656f20, exc=0x0000000000000000, error=0x000000016f656ff8) at mini-runtime.c:3162:3 frame #13: 0x0000000104411950 reloadcontext.iOS`do_runtime_invoke(method=0x0000000145d09ae8, obj=0x0000000000000000, params=0x000000016f656f20, exc=0x0000000000000000, error=0x000000016f656ff8) at object.c:3052:11 frame #14: 0x000000010440c4dc reloadcontext.iOS`mono_runtime_invoke_checked(method=0x0000000145d09ae8, obj=0x0000000000000000, params=0x000000016f656f20, error=0x000000016f656ff8) at object.c:3220:9 frame #15: 0x0000000104415ae0 reloadcontext.iOS`do_exec_main_checked(method=0x0000000145d09ae8, args=0x000000010703a030, error=0x000000016f656ff8) at object.c:5184:3 frame #16: 0x00000001044144ac reloadcontext.iOS`mono_runtime_exec_main_checked(method=0x0000000145d09ae8, args=0x000000010703a030, error=0x000000016f656ff8) at object.c:5281:9 frame #17: 0x0000000104414500 reloadcontext.iOS`mono_runtime_run_main_checked(method=0x0000000145d09ae8, argc=1, argv=0x000000016f6570d0, error=0x000000016f656ff8) at object.c:4734:9 frame #18: 0x00000001042d3b54 reloadcontext.iOS`mono_jit_exec_internal(domain=0x0000000145f00130, assembly=0x0000000281ba2900, argc=1, argv=0x000000016f6570d0) at driver.c:1320:13 frame #19: 0x00000001042d39a4 reloadcontext.iOS`mono_jit_exec(domain=0x0000000145f00130, assembly=0x0000000281ba2900, argc=1, argv=0x000000016f6570d0) at driver.c:1265:7 frame #20: 0x0000000104597994 reloadcontext.iOS`::xamarin_main(argc=5, argv=0x000000016f657a80, launch_mode=XamarinLaunchModeApp) at monotouch-main.m:483:8 frame #21: 0x00000001008510dc reloadcontext.iOS`main(argc=5, argv=0x000000016f657a80) at main.m:104:11 frame #22: 0x0000000190af8360 libdyld.dylib`start + 4 [...] * thread #5, name = 'Debugger agent', stop reason = signal SIGABRT * frame #0: 0x0000000190aedec4 libsystem_kernel.dylib`__pthread_kill + 8 frame #1: 0x0000000190a0d724 libsystem_pthread.dylib`pthread_kill$VARIANT$armv81 + 216 frame #2: 0x000000019095d844 libsystem_c.dylib`abort + 100 frame #3: 0x00000001045871b4 reloadcontext.iOS`log_callback(log_domain=0x0000000000000000, log_level="error", message="* Assertion at ../../../../../mono/mini/interp/interp.c:7176, condition `context' not met\n", fatal=4, user_data=0x0000000000000000) at runtime.m:1213:3 frame #4: 0x0000000104544fc8 reloadcontext.iOS`eglib_log_adapter(log_domain=0x0000000000000000, log_level=G_LOG_LEVEL_ERROR, message="* Assertion at ../../../../../mono/mini/interp/interp.c:7176, condition `context' not met\n", user_data=0x0000000000000000) at mono-logger.c:405:2 frame #5: 0x000000010456093c reloadcontext.iOS`monoeg_g_logstr(log_domain=0x0000000000000000, log_level=G_LOG_LEVEL_ERROR, msg="* Assertion at ../../../../../mono/mini/interp/interp.c:7176, condition `context' not met\n") at goutput.c:134:2 frame #6: 0x0000000104560598 reloadcontext.iOS`monoeg_g_logv_nofree(log_domain=0x0000000000000000, log_level=G_LOG_LEVEL_ERROR, format="* Assertion at %s:%d, condition `%s' not met\n", args="e\x12z\x04\x01") at goutput.c:149:2 frame #7: 0x000000010456061c reloadcontext.iOS`monoeg_assertion_message(format="* Assertion at %s:%d, condition `%s' not met\n") at goutput.c:184:22 frame #8: 0x0000000104560674 reloadcontext.iOS`mono_assertion_message(file="../../../../../mono/mini/interp/interp.c", line=7176, condition="context") at goutput.c:203:2 frame #9: 0x000000010459b570 reloadcontext.iOS`interp_get_resume_state(jit_tls=0x000000014900d000, has_resume_state=0x000000016fc7a9f4, interp_frame=0x000000016fc7a9e8, handler_ip=0x000000016fc7a9e0) at interp.c:7176:2 frame #10: 0x0000000104319420 reloadcontext.iOS`compute_frame_info(thread=0x0000000104fe4130, tls=0x0000000149014e00, force_update=1) at debugger-agent.c:3422:3 frame #11: 0x0000000104320d40 reloadcontext.iOS`thread_commands(command=1, p="", end="", buf=0x000000016fc7acf8) at debugger-agent.c:9048:3 frame #12: 0x000000010431cca0 reloadcontext.iOS`debugger_thread(arg=0x0000000000000000) at debugger-agent.c:10132:10 frame #13: 0x000000010447eb04 reloadcontext.iOS`start_wrapper_internal(start_info=0x0000000000000000, stack_ptr=0x000000016fc7b000) at threads.c:1232:3 frame #14: 0x000000010447e788 reloadcontext.iOS`start_wrapper(data=0x000000028203ef40) at threads.c:1305:8 frame #15: 0x0000000190a11d8c libsystem_pthread.dylib`_pthread_start + 15 [...] ``` Thanks to @drasticactions for helping me to reproduce. Fixes https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1050615
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Jan 24, 2020
…ono#18536) `jit_tls->interp_context` gets initialized lazily, that is, upon the first interpreter execution on a specific thread (e.g. via interp_runtime_invoke). However, with mixed mode the execution can purely happen in AOT code upon the first interaction with the managed debugger. Stack trace: ``` thread #1, name = 'tid_407', queue = 'com.apple.main-thread' frame #0: 0x0000000190aedc94 libsystem_kernel.dylib`__psynch_cvwait + 8 frame #1: 0x0000000190a0f094 libsystem_pthread.dylib`_pthread_cond_wait$VARIANT$armv81 + 672 frame #2: 0x000000010431318c reloadcontext.iOS`mono_os_cond_wait(cond=0x0000000104b9ba78, mutex=0x0000000104b9ba30) at mono-os-mutex.h:219:8 frame #3: 0x0000000104312a68 reloadcontext.iOS`mono_coop_cond_wait(cond=0x0000000104b9ba78, mutex=0x0000000104b9ba30) at mono-coop-mutex.h:91:2 frame #4: 0x0000000104312858 reloadcontext.iOS`suspend_current at debugger-agent.c:3021:4 frame #5: 0x000000010431be18 reloadcontext.iOS`process_event(event=EVENT_KIND_BREAKPOINT, arg=0x0000000145d09ae8, il_offset=0, ctx=0x0000000149015c20, events=0x0000000000000000, suspend_policy=2) at debugger-agent.c:4058:3 frame #6: 0x0000000104310cf4 reloadcontext.iOS`process_breakpoint_events(_evts=0x000000028351a680, method=0x0000000145d09ae8, ctx=0x0000000149015c20, il_offset=0) at debugger-agent.c:4722:3 frame #7: 0x000000010432f1c8 reloadcontext.iOS`mono_de_process_breakpoint(void_tls=0x0000000149014e00, from_signal=0) at debugger-engine.c:1141:2 frame #8: 0x000000010430f238 reloadcontext.iOS`debugger_agent_breakpoint_from_context(ctx=0x000000016f656790) at debugger-agent.c:4938:2 frame #9: 0x00000001011b73a4 reloadcontext.iOS`sdb_breakpoint_trampoline + 148 frame #10: 0x00000001008511b4 reloadcontext.iOS`reloadcontext_iOS_Application_Main_string__(args=0x000000010703a030) at Main.cs:14 frame #11: 0x00000001010f9730 reloadcontext.iOS`wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr + 272 frame #12: 0x00000001042fd8b8 reloadcontext.iOS`mono_jit_runtime_invoke(method=0x0000000145d09ae8, obj=0x0000000000000000, params=0x000000016f656f20, exc=0x0000000000000000, error=0x000000016f656ff8) at mini-runtime.c:3162:3 frame #13: 0x0000000104411950 reloadcontext.iOS`do_runtime_invoke(method=0x0000000145d09ae8, obj=0x0000000000000000, params=0x000000016f656f20, exc=0x0000000000000000, error=0x000000016f656ff8) at object.c:3052:11 frame #14: 0x000000010440c4dc reloadcontext.iOS`mono_runtime_invoke_checked(method=0x0000000145d09ae8, obj=0x0000000000000000, params=0x000000016f656f20, error=0x000000016f656ff8) at object.c:3220:9 frame #15: 0x0000000104415ae0 reloadcontext.iOS`do_exec_main_checked(method=0x0000000145d09ae8, args=0x000000010703a030, error=0x000000016f656ff8) at object.c:5184:3 frame #16: 0x00000001044144ac reloadcontext.iOS`mono_runtime_exec_main_checked(method=0x0000000145d09ae8, args=0x000000010703a030, error=0x000000016f656ff8) at object.c:5281:9 frame #17: 0x0000000104414500 reloadcontext.iOS`mono_runtime_run_main_checked(method=0x0000000145d09ae8, argc=1, argv=0x000000016f6570d0, error=0x000000016f656ff8) at object.c:4734:9 frame #18: 0x00000001042d3b54 reloadcontext.iOS`mono_jit_exec_internal(domain=0x0000000145f00130, assembly=0x0000000281ba2900, argc=1, argv=0x000000016f6570d0) at driver.c:1320:13 frame #19: 0x00000001042d39a4 reloadcontext.iOS`mono_jit_exec(domain=0x0000000145f00130, assembly=0x0000000281ba2900, argc=1, argv=0x000000016f6570d0) at driver.c:1265:7 frame #20: 0x0000000104597994 reloadcontext.iOS`::xamarin_main(argc=5, argv=0x000000016f657a80, launch_mode=XamarinLaunchModeApp) at monotouch-main.m:483:8 frame #21: 0x00000001008510dc reloadcontext.iOS`main(argc=5, argv=0x000000016f657a80) at main.m:104:11 frame #22: 0x0000000190af8360 libdyld.dylib`start + 4 [...] * thread #5, name = 'Debugger agent', stop reason = signal SIGABRT * frame #0: 0x0000000190aedec4 libsystem_kernel.dylib`__pthread_kill + 8 frame #1: 0x0000000190a0d724 libsystem_pthread.dylib`pthread_kill$VARIANT$armv81 + 216 frame #2: 0x000000019095d844 libsystem_c.dylib`abort + 100 frame #3: 0x00000001045871b4 reloadcontext.iOS`log_callback(log_domain=0x0000000000000000, log_level="error", message="* Assertion at ../../../../../mono/mini/interp/interp.c:7176, condition `context' not met\n", fatal=4, user_data=0x0000000000000000) at runtime.m:1213:3 frame #4: 0x0000000104544fc8 reloadcontext.iOS`eglib_log_adapter(log_domain=0x0000000000000000, log_level=G_LOG_LEVEL_ERROR, message="* Assertion at ../../../../../mono/mini/interp/interp.c:7176, condition `context' not met\n", user_data=0x0000000000000000) at mono-logger.c:405:2 frame #5: 0x000000010456093c reloadcontext.iOS`monoeg_g_logstr(log_domain=0x0000000000000000, log_level=G_LOG_LEVEL_ERROR, msg="* Assertion at ../../../../../mono/mini/interp/interp.c:7176, condition `context' not met\n") at goutput.c:134:2 frame #6: 0x0000000104560598 reloadcontext.iOS`monoeg_g_logv_nofree(log_domain=0x0000000000000000, log_level=G_LOG_LEVEL_ERROR, format="* Assertion at %s:%d, condition `%s' not met\n", args="e\x12z\x04\x01") at goutput.c:149:2 frame #7: 0x000000010456061c reloadcontext.iOS`monoeg_assertion_message(format="* Assertion at %s:%d, condition `%s' not met\n") at goutput.c:184:22 frame #8: 0x0000000104560674 reloadcontext.iOS`mono_assertion_message(file="../../../../../mono/mini/interp/interp.c", line=7176, condition="context") at goutput.c:203:2 frame #9: 0x000000010459b570 reloadcontext.iOS`interp_get_resume_state(jit_tls=0x000000014900d000, has_resume_state=0x000000016fc7a9f4, interp_frame=0x000000016fc7a9e8, handler_ip=0x000000016fc7a9e0) at interp.c:7176:2 frame #10: 0x0000000104319420 reloadcontext.iOS`compute_frame_info(thread=0x0000000104fe4130, tls=0x0000000149014e00, force_update=1) at debugger-agent.c:3422:3 frame #11: 0x0000000104320d40 reloadcontext.iOS`thread_commands(command=1, p="", end="", buf=0x000000016fc7acf8) at debugger-agent.c:9048:3 frame #12: 0x000000010431cca0 reloadcontext.iOS`debugger_thread(arg=0x0000000000000000) at debugger-agent.c:10132:10 frame #13: 0x000000010447eb04 reloadcontext.iOS`start_wrapper_internal(start_info=0x0000000000000000, stack_ptr=0x000000016fc7b000) at threads.c:1232:3 frame #14: 0x000000010447e788 reloadcontext.iOS`start_wrapper(data=0x000000028203ef40) at threads.c:1305:8 frame #15: 0x0000000190a11d8c libsystem_pthread.dylib`_pthread_start + 15 [...] ``` Thanks to @drasticactions for helping me to reproduce. Fixes https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1050615 Co-authored-by: Bernhard Urban-Forster <[email protected]>
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Jan 24, 2020
…ono#18535) `jit_tls->interp_context` gets initialized lazily, that is, upon the first interpreter execution on a specific thread (e.g. via interp_runtime_invoke). However, with mixed mode the execution can purely happen in AOT code upon the first interaction with the managed debugger. Stack trace: ``` thread #1, name = 'tid_407', queue = 'com.apple.main-thread' frame #0: 0x0000000190aedc94 libsystem_kernel.dylib`__psynch_cvwait + 8 frame #1: 0x0000000190a0f094 libsystem_pthread.dylib`_pthread_cond_wait$VARIANT$armv81 + 672 frame #2: 0x000000010431318c reloadcontext.iOS`mono_os_cond_wait(cond=0x0000000104b9ba78, mutex=0x0000000104b9ba30) at mono-os-mutex.h:219:8 frame #3: 0x0000000104312a68 reloadcontext.iOS`mono_coop_cond_wait(cond=0x0000000104b9ba78, mutex=0x0000000104b9ba30) at mono-coop-mutex.h:91:2 frame #4: 0x0000000104312858 reloadcontext.iOS`suspend_current at debugger-agent.c:3021:4 frame #5: 0x000000010431be18 reloadcontext.iOS`process_event(event=EVENT_KIND_BREAKPOINT, arg=0x0000000145d09ae8, il_offset=0, ctx=0x0000000149015c20, events=0x0000000000000000, suspend_policy=2) at debugger-agent.c:4058:3 frame #6: 0x0000000104310cf4 reloadcontext.iOS`process_breakpoint_events(_evts=0x000000028351a680, method=0x0000000145d09ae8, ctx=0x0000000149015c20, il_offset=0) at debugger-agent.c:4722:3 frame #7: 0x000000010432f1c8 reloadcontext.iOS`mono_de_process_breakpoint(void_tls=0x0000000149014e00, from_signal=0) at debugger-engine.c:1141:2 frame #8: 0x000000010430f238 reloadcontext.iOS`debugger_agent_breakpoint_from_context(ctx=0x000000016f656790) at debugger-agent.c:4938:2 frame #9: 0x00000001011b73a4 reloadcontext.iOS`sdb_breakpoint_trampoline + 148 frame #10: 0x00000001008511b4 reloadcontext.iOS`reloadcontext_iOS_Application_Main_string__(args=0x000000010703a030) at Main.cs:14 frame #11: 0x00000001010f9730 reloadcontext.iOS`wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr + 272 frame #12: 0x00000001042fd8b8 reloadcontext.iOS`mono_jit_runtime_invoke(method=0x0000000145d09ae8, obj=0x0000000000000000, params=0x000000016f656f20, exc=0x0000000000000000, error=0x000000016f656ff8) at mini-runtime.c:3162:3 frame #13: 0x0000000104411950 reloadcontext.iOS`do_runtime_invoke(method=0x0000000145d09ae8, obj=0x0000000000000000, params=0x000000016f656f20, exc=0x0000000000000000, error=0x000000016f656ff8) at object.c:3052:11 frame #14: 0x000000010440c4dc reloadcontext.iOS`mono_runtime_invoke_checked(method=0x0000000145d09ae8, obj=0x0000000000000000, params=0x000000016f656f20, error=0x000000016f656ff8) at object.c:3220:9 frame #15: 0x0000000104415ae0 reloadcontext.iOS`do_exec_main_checked(method=0x0000000145d09ae8, args=0x000000010703a030, error=0x000000016f656ff8) at object.c:5184:3 frame #16: 0x00000001044144ac reloadcontext.iOS`mono_runtime_exec_main_checked(method=0x0000000145d09ae8, args=0x000000010703a030, error=0x000000016f656ff8) at object.c:5281:9 frame #17: 0x0000000104414500 reloadcontext.iOS`mono_runtime_run_main_checked(method=0x0000000145d09ae8, argc=1, argv=0x000000016f6570d0, error=0x000000016f656ff8) at object.c:4734:9 frame #18: 0x00000001042d3b54 reloadcontext.iOS`mono_jit_exec_internal(domain=0x0000000145f00130, assembly=0x0000000281ba2900, argc=1, argv=0x000000016f6570d0) at driver.c:1320:13 frame #19: 0x00000001042d39a4 reloadcontext.iOS`mono_jit_exec(domain=0x0000000145f00130, assembly=0x0000000281ba2900, argc=1, argv=0x000000016f6570d0) at driver.c:1265:7 frame #20: 0x0000000104597994 reloadcontext.iOS`::xamarin_main(argc=5, argv=0x000000016f657a80, launch_mode=XamarinLaunchModeApp) at monotouch-main.m:483:8 frame #21: 0x00000001008510dc reloadcontext.iOS`main(argc=5, argv=0x000000016f657a80) at main.m:104:11 frame #22: 0x0000000190af8360 libdyld.dylib`start + 4 [...] * thread #5, name = 'Debugger agent', stop reason = signal SIGABRT * frame #0: 0x0000000190aedec4 libsystem_kernel.dylib`__pthread_kill + 8 frame #1: 0x0000000190a0d724 libsystem_pthread.dylib`pthread_kill$VARIANT$armv81 + 216 frame #2: 0x000000019095d844 libsystem_c.dylib`abort + 100 frame #3: 0x00000001045871b4 reloadcontext.iOS`log_callback(log_domain=0x0000000000000000, log_level="error", message="* Assertion at ../../../../../mono/mini/interp/interp.c:7176, condition `context' not met\n", fatal=4, user_data=0x0000000000000000) at runtime.m:1213:3 frame #4: 0x0000000104544fc8 reloadcontext.iOS`eglib_log_adapter(log_domain=0x0000000000000000, log_level=G_LOG_LEVEL_ERROR, message="* Assertion at ../../../../../mono/mini/interp/interp.c:7176, condition `context' not met\n", user_data=0x0000000000000000) at mono-logger.c:405:2 frame #5: 0x000000010456093c reloadcontext.iOS`monoeg_g_logstr(log_domain=0x0000000000000000, log_level=G_LOG_LEVEL_ERROR, msg="* Assertion at ../../../../../mono/mini/interp/interp.c:7176, condition `context' not met\n") at goutput.c:134:2 frame #6: 0x0000000104560598 reloadcontext.iOS`monoeg_g_logv_nofree(log_domain=0x0000000000000000, log_level=G_LOG_LEVEL_ERROR, format="* Assertion at %s:%d, condition `%s' not met\n", args="e\x12z\x04\x01") at goutput.c:149:2 frame #7: 0x000000010456061c reloadcontext.iOS`monoeg_assertion_message(format="* Assertion at %s:%d, condition `%s' not met\n") at goutput.c:184:22 frame #8: 0x0000000104560674 reloadcontext.iOS`mono_assertion_message(file="../../../../../mono/mini/interp/interp.c", line=7176, condition="context") at goutput.c:203:2 frame #9: 0x000000010459b570 reloadcontext.iOS`interp_get_resume_state(jit_tls=0x000000014900d000, has_resume_state=0x000000016fc7a9f4, interp_frame=0x000000016fc7a9e8, handler_ip=0x000000016fc7a9e0) at interp.c:7176:2 frame #10: 0x0000000104319420 reloadcontext.iOS`compute_frame_info(thread=0x0000000104fe4130, tls=0x0000000149014e00, force_update=1) at debugger-agent.c:3422:3 frame #11: 0x0000000104320d40 reloadcontext.iOS`thread_commands(command=1, p="", end="", buf=0x000000016fc7acf8) at debugger-agent.c:9048:3 frame #12: 0x000000010431cca0 reloadcontext.iOS`debugger_thread(arg=0x0000000000000000) at debugger-agent.c:10132:10 frame #13: 0x000000010447eb04 reloadcontext.iOS`start_wrapper_internal(start_info=0x0000000000000000, stack_ptr=0x000000016fc7b000) at threads.c:1232:3 frame #14: 0x000000010447e788 reloadcontext.iOS`start_wrapper(data=0x000000028203ef40) at threads.c:1305:8 frame #15: 0x0000000190a11d8c libsystem_pthread.dylib`_pthread_start + 15 [...] ``` Thanks to @drasticactions for helping me to reproduce. Fixes https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1050615 Co-authored-by: Bernhard Urban-Forster <[email protected]>
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