diff --git a/source/build/include/debugbreak.h b/source/build/include/debugbreak.h
new file mode 100644
index 000000000..410706d90
--- /dev/null
+++ b/source/build/include/debugbreak.h
@@ -0,0 +1,156 @@
+/* Copyright (c) 2011-2018, Scott Tsai
+ * 
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef DEBUG_BREAK_H
+
+#ifdef _MSC_VER
+
+#define debug_break __debugbreak
+
+#else
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define DEBUG_BREAK_USE_TRAP_INSTRUCTION 1
+#define DEBUG_BREAK_USE_BULTIN_TRAP      2
+#define DEBUG_BREAK_USE_SIGTRAP          3
+
+#if defined(__i386__) || defined(__x86_64__)
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
+__inline__ static void trap_instruction(void)
+{
+	__asm__ volatile("int $0x03");
+}
+#elif defined(__thumb__)
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
+/* FIXME: handle __THUMB_INTERWORK__ */
+__attribute__((gnu_inline, always_inline))
+__inline__ static void trap_instruction(void)
+{
+	/* See 'arm-linux-tdep.c' in GDB source.
+	 * Both instruction sequences below work. */
+#if 1
+	/* 'eabi_linux_thumb_le_breakpoint' */
+	__asm__ volatile(".inst 0xde01");
+#else
+	/* 'eabi_linux_thumb2_le_breakpoint' */
+	__asm__ volatile(".inst.w 0xf7f0a000");
+#endif
+
+	/* Known problem:
+	 * After a breakpoint hit, can't 'stepi', 'step', or 'continue' in GDB.
+	 * 'step' would keep getting stuck on the same instruction.
+	 *
+	 * Workaround: use the new GDB commands 'debugbreak-step' and
+	 * 'debugbreak-continue' that become available
+	 * after you source the script from GDB:
+	 *
+	 * $ gdb -x debugbreak-gdb.py <... USUAL ARGUMENTS ...>
+	 *
+	 * 'debugbreak-step' would jump over the breakpoint instruction with
+	 * roughly equivalent of:
+	 * (gdb) set $instruction_len = 2
+	 * (gdb) tbreak *($pc + $instruction_len)
+	 * (gdb) jump   *($pc + $instruction_len)
+	 */
+}
+#elif defined(__arm__) && !defined(__thumb__)
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
+__attribute__((gnu_inline, always_inline))
+__inline__ static void trap_instruction(void)
+{
+	/* See 'arm-linux-tdep.c' in GDB source,
+	 * 'eabi_linux_arm_le_breakpoint' */
+	__asm__ volatile(".inst 0xe7f001f0");
+	/* Known problem:
+	 * Same problem and workaround as Thumb mode */
+}
+#elif defined(__aarch64__) && defined(__APPLE__)
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_BULTIN_TRAP
+#elif defined(__aarch64__)
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
+__attribute__((gnu_inline, always_inline))
+__inline__ static void trap_instruction(void)
+{
+	/* See 'aarch64-tdep.c' in GDB source,
+	 * 'aarch64_default_breakpoint' */
+	__asm__ volatile(".inst 0xd4200000");
+}
+#elif defined(__powerpc__)
+	/* PPC 32 or 64-bit, big or little endian */
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
+__attribute__((gnu_inline, always_inline))
+__inline__ static void trap_instruction(void)
+{
+	/* See 'rs6000-tdep.c' in GDB source,
+	 * 'rs6000_breakpoint' */
+	__asm__ volatile(".4byte 0x7d821008");
+
+	/* Known problem:
+	 * After a breakpoint hit, can't 'stepi', 'step', or 'continue' in GDB.
+	 * 'step' stuck on the same instruction ("twge r2,r2").
+	 *
+	 * The workaround is the same as ARM Thumb mode: use debugbreak-gdb.py
+	 * or manually jump over the instruction. */
+}
+#else
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_SIGTRAP
+#endif
+
+
+#ifndef DEBUG_BREAK_IMPL
+#error "debugbreak.h is not supported on this target"
+#elif DEBUG_BREAK_IMPL == DEBUG_BREAK_USE_TRAP_INSTRUCTION
+__attribute__((gnu_inline, always_inline))
+__inline__ static void debug_break(void)
+{
+	trap_instruction();
+}
+#elif DEBUG_BREAK_IMPL == DEBUG_BREAK_USE_BULTIN_TRAP
+__attribute__((gnu_inline, always_inline))
+__inline__ static void debug_break(void)
+{
+	__builtin_trap();
+}
+#elif DEBUG_BREAK_IMPL == DEBUG_BREAK_USE_SIGTRAP
+#include <signal.h>
+__attribute__((gnu_inline, always_inline))
+__inline__ static void debug_break(void)
+{
+	raise(SIGTRAP);
+}
+#else
+#error "invalid DEBUG_BREAK_IMPL value"
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ifdef _MSC_VER */
+
+#endif /* ifndef DEBUG_BREAK_H */