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Copy pathdebug-trap.h
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85 lines (79 loc) · 3.05 KB
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/* Debugging assertions and traps
* Portable Snippets - https://gitub.com/nemequ/portable-snippets
* Created by Evan Nemerson <evan@nemerson.com>
*
* 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) */