Add optional Microsoft Telemetry unmanaged dumper

mono · Mar 13, 2018 · c836aa1 · c836aa1
1 parent 5dae72b
commit c836aa1
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Showing 4 changed files with 577 additions and 0 deletions.
diff --git a/mono/mini/mini-exceptions.c b/mono/mini/mini-exceptions.c
@@ -64,6 +64,7 @@
 #include <mono/metadata/mono-endian.h>
 #include <mono/metadata/environment.h>
 #include <mono/metadata/mono-mlist.h>
+#include <mono/utils/mono-merp.h>
 #include <mono/utils/mono-mmap.h>
 #include <mono/utils/mono-logger-internals.h>
 #include <mono/utils/mono-error.h>
@@ -2797,6 +2798,27 @@ mono_handle_native_crash (const char *signal, void *ctx, MONO_SIG_HANDLER_INFO_T
 			prctl (PR_SET_PTRACER, pid, 0, 0, 0);
 		}
 #endif
+
+#if defined(HOST_DARWIN)
+		if (mono_merp_enabled ()) {
+			if (pid == 0) {
+				MonoContext mctx;
+				if (!ctx) {
+					mono_runtime_printf_err ("\nMust always pass non-null context when using merp.\n");
+					exit (1);
+				}
+
+				mono_sigctx_to_monoctx (ctx, &mctx);
+
+				intptr_t thread_pointer = (intptr_t) MONO_CONTEXT_GET_SP (&mctx);
+
+				mono_merp_invoke (crashed_pid, thread_pointer, signal);
+
+				exit (1);
+			}
+		}
+#endif
+
 		if (pid == 0) {
 			dup2 (STDERR_FILENO, STDOUT_FILENO);
 

diff --git a/mono/utils/Makefile.am b/mono/utils/Makefile.am
@@ -48,6 +48,8 @@ monoutils_sources = \
 	mono-log-posix.c	\
 	mono-log-android.c \
 	mono-log-darwin.c \
+	mono-merp.c	\
+	mono-merp.h	\
 	mono-internal-hash.c	\
 	mono-internal-hash.h	\
 	mono-io-portability.c 	\