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diff --git a/deps/libretro-common/utils/debugbreak/debugbreak.c b/deps/libretro-common/utils/debugbreak/debugbreak.c
new file mode 100644
index 00000000..23081208
--- /dev/null
+++ b/deps/libretro-common/utils/debugbreak/debugbreak.c
@@ -0,0 +1,92 @@
+#ifndef _WIN32_WINNT
+#define _WIN32_WINNT 0x0501
+#endif
+
+#if _WIN32_WINNT < 0x0501
+#error Must target Windows NT 5.0.1 or later for DebugBreakProcess
+#endif
+
+#include <Windows.h>
+
+#include <stdio.h>
+#include <stddef.h>
+#include <stdlib.h>
+
+/* Compile with this line:
+
+gcc -o debugbreak -mno-cygwin -mthreads debugbreak.c
+
+*/
+
+static char errbuffer[256];
+
+static const char *geterrstr(DWORD errcode)
+{
+size_t skip = 0;
+DWORD chars;
+chars = FormatMessage(
+FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+NULL, errcode, 0, errbuffer, sizeof(errbuffer)-1, 0);
+errbuffer[sizeof(errbuffer)-1] = 0;
+if (chars) {
+while (errbuffer[chars-1] == '\r' || errbuffer[chars-1] == '\n') {
+errbuffer[--chars] = 0;
+}
+}
+if (chars && errbuffer[chars-1] == '.') errbuffer[--chars] = 0;
+if (chars >= 2 && errbuffer[0] == '%' && errbuffer[1] >= '0'
+&& errbuffer[1] <= '9')
+{
+skip = 2;
+while (chars > skip && errbuffer[skip] == ' ') ++skip;
+if (chars >= skip+2 && errbuffer[skip] == 'i'
+&& errbuffer[skip+1] == 's')
+{
+skip += 2;
+while (chars > skip && errbuffer[skip] == ' ') ++skip;
+}
+}
+if (chars > skip && errbuffer[skip] >= 'A' && errbuffer[skip] <= 'Z') {
+errbuffer[skip] += 'a' - 'A';
+}
+return errbuffer+skip;
+}
+
+int main(int argc, char *argv[])
+{
+    HANDLE proc;
+    unsigned proc_id = 0;
+    BOOL break_result;
+
+    if (argc != 2) {
+        printf("Usage: debugbreak process_id_number\n");
+        return 1;
+    }
+    proc_id = (unsigned) strtol(argv[1], NULL, 0);
+    if (proc_id == 0) {
+        printf("Invalid process id %u\n", proc_id);
+        return 1;
+    }
+    proc = OpenProcess(PROCESS_ALL_ACCESS, FALSE, (DWORD)proc_id);
+    if (proc == NULL) {
+        DWORD lastError = GetLastError();
+        printf("Failed to open process %u\n", proc_id);
+        printf("Error code is %lu (%s)\n", (unsigned long)lastError,
+            geterrstr(lastError));
+        return 1;
+    }
+    break_result = DebugBreakProcess(proc);
+    if (!break_result) {
+        DWORD lastError = GetLastError();
+        printf("Failed to debug break process %u\n", proc_id);
+        printf("Error code is %lu (%s)\n", (unsigned long)lastError,
+            geterrstr(lastError));
+        CloseHandle(proc);
+        return 1;
+    }
+    printf("DebugBreak sent successfully to process id %u\n", proc_id);
+    CloseHandle(proc);
+    return 0;
+}
+
+/* END debugbreak.c */