obs-studio/libobs/util/simde/debug-trap.h

/* Debugging assertions and traps
 * Portable Snippets - https://gitub.com/nemequ/portable-snippets
 * Created by Evan Nemerson <[email protected]>
 *
 *   To the extent possible under law, the authors have waived all
 *   copyright and related or neighboring rights to this code.  For
 *   details, see the Creative Commons Zero 1.0 Universal license at
 *   https://creativecommons.org/publicdomain/zero/1.0/
 *
 * SPDX-License-Identifier: CC0-1.0
 */

#if !defined(SIMDE_DEBUG_TRAP_H)
#define SIMDE_DEBUG_TRAP_H

#if !defined(SIMDE_NDEBUG) && defined(NDEBUG) && !defined(SIMDE_DEBUG)
#define SIMDE_NDEBUG 1
#endif

#if defined(__has_builtin) && !defined(__ibmxl__)
#if __has_builtin(__builtin_debugtrap)
#define simde_trap() __builtin_debugtrap()
#elif __has_builtin(__debugbreak)
#define simde_trap() __debugbreak()
#endif
#endif
#if !defined(simde_trap)
#if defined(_MSC_VER) || defined(__INTEL_COMPILER)
#define simde_trap() __debugbreak()
#elif defined(__ARMCC_VERSION)
#define simde_trap() __breakpoint(42)
#elif defined(__ibmxl__) || defined(__xlC__)
#include <builtins.h>
#define simde_trap() __trap(42)
#elif defined(__DMC__) && defined(_M_IX86)
static inline void simde_trap(void)
{
	__asm int 3h;
}
#elif defined(__i386__) || defined(__x86_64__)
static inline void simde_trap(void)
{
	__asm__ __volatile__("int $03");
}
#elif defined(__thumb__)
static inline void simde_trap(void)
{
	__asm__ __volatile__(".inst 0xde01");
}
#elif defined(__aarch64__)
static inline void simde_trap(void)
{
	__asm__ __volatile__(".inst 0xd4200000");
}
#elif defined(__arm__)
static inline void simde_trap(void)
{
	__asm__ __volatile__(".inst 0xe7f001f0");
}
#elif defined(__alpha__) && !defined(__osf__)
static inline void simde_trap(void)
{
	__asm__ __volatile__("bpt");
}
#elif defined(_54_)
static inline void simde_trap(void)
{
	__asm__ __volatile__("ESTOP");
}
#elif defined(_55_)
static inline void simde_trap(void)
{
	__asm__ __volatile__(
		";\n .if (.MNEMONIC)\n ESTOP_1\n .else\n ESTOP_1()\n .endif\n NOP");
}
#elif defined(_64P_)
static inline void simde_trap(void)
{
	__asm__ __volatile__("SWBP 0");
}
#elif defined(_6x_)
static inline void simde_trap(void)
{
	__asm__ __volatile__("NOP\n .word 0x10000000");
}
#elif defined(__STDC_HOSTED__) && (__STDC_HOSTED__ == 0) && defined(__GNUC__)
#define simde_trap() __builtin_trap()
#else
#include <signal.h>
#if defined(SIGTRAP)
#define simde_trap() raise(SIGTRAP)
#else
#define simde_trap() raise(SIGABRT)
#endif
#endif
#endif

#if defined(HEDLEY_LIKELY)
#define SIMDE_DBG_LIKELY(expr) HEDLEY_LIKELY(expr)
#elif defined(__GNUC__) && (__GNUC__ >= 3)
#define SIMDE_DBG_LIKELY(expr) __builtin_expect(!!(expr), 1)
#else
#define SIMDE_DBG_LIKELY(expr) (!!(expr))
#endif

#if !defined(SIMDE_NDEBUG) || (SIMDE_NDEBUG == 0)
#define simde_dbg_assert(expr)                 \
	do {                                   \
		if (!SIMDE_DBG_LIKELY(expr)) { \
			simde_trap();          \
		}                              \
	} while (0)
#else
#define simde_dbg_assert(expr)
#endif

#endif /* !defined(SIMDE_DEBUG_TRAP_H) */