mirror of
https://github.com/jart/cosmopolitan.git
synced 2024-05-17 02:52:40 +00:00
2ab9e9f7fd
- Introduce portable sched_getcpu() api - Support GCC's __target_clones__ feature - Make fma() go faster on x86 in default mode - Remove some asan checks from core libraries - WinMain() now ensures $HOME and $USER are defined
775 lines
22 KiB
C++
775 lines
22 KiB
C++
#if __GNUC__ + 0 < 2
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#define __attribute__(x)
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#endif
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#ifndef __cplusplus
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#define COSMOPOLITAN_C_START_
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#define COSMOPOLITAN_C_END_
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#define COSMOPOLITAN_CXX_START_
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#define COSMOPOLITAN_CXX_END_
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#define COSMOPOLITAN_CXX_USING_
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#endif
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#ifndef __ia16__
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#define __far
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#endif
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#if !defined(__GNUC__) && __cplusplus + 0 >= 201103L
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#define typeof(x) decltype(x)
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#elif (defined(__STRICT_ANSI__) || !defined(__GNUC__)) && \
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__STDC_VERSION__ + 0 < 201112
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#define typeof(x) __typeof(x)
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#endif
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#ifdef __cplusplus
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#if __cplusplus >= 201103L
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#define _Alignof(x) alignof(x)
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#endif /* C++11 */
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#else /* __cplusplus */
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#if __STDC_VERSION__ + 0 < 201112
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#if __GNUC__ + _MSC_VER + 0 && !defined(__STRICT_ANSI__)
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#define _Alignof(x) __alignof(x)
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#else
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#define _Alignof(x) /* basically all it ever did lool */ sizeof(x)
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#endif /* GNU/MSVC/!ANSI */
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#endif /* C11 */
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#endif /* __cplusplus */
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#if !defined(__cplusplus) && !defined(inline) && __STDC_VERSION__ + 0 < 199901
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#if !defined(__STRICT_ANSI__) && (defined(__GNUC__) || defined(_MSC_VER))
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#define inline __inline
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#else
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#define inline
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#define __inline
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#endif
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#endif
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#ifdef __chibicc__
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#define __extension__
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#endif
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#if __STDC_VERSION__ + 0 < 201112
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
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#define _Alignas(x) __attribute__((__aligned__(x)))
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#elif defined(_MSC_VER)
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#define _Alignas(x) __declspec(align(x))
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#endif
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#endif
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#ifdef _MSC_VER
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#define __builtin_unreachable() __assume(false)
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#elif defined(__STRICT_ANSI__) || \
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!((__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 405 || \
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defined(__clang__) || defined(__INTEL_COMPILER) || \
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__has_builtin(__builtin_unreachable))
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#define __builtin_unreachable() \
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for (;;) { \
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}
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#endif
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#if defined(__STRICT_ANSI__) || \
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(!defined(__llvm__) && !__has_builtin(__builtin_assume))
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#define __builtin_assume(x) \
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do { \
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if (!(x)) __builtin_unreachable(); \
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} while (0)
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#endif
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#if __STDC_VERSION__ + 0 < 201112
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#define _Atomic(TYPE) TYPE volatile
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#endif
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#ifdef __llvm__
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#define __gnu_printf__ __printf__
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#define __gnu_scanf__ __scanf__
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#endif
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#if __cplusplus + 0 >= 201103L
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#define NULL nullptr
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#elif !defined(__cplusplus)
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#define NULL ((void *)0)
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#else
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#define NULL 0
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#endif
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#ifndef __cplusplus
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#if defined(__GNUC__) && !defined(__llvm__)
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#pragma GCC push_options
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#pragma GCC diagnostic ignored "-Wc++-compat"
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#endif
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typedef __WCHAR_TYPE__ wchar_t;
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typedef __CHAR16_TYPE__ char16_t;
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typedef __CHAR32_TYPE__ char32_t;
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#if defined(__GNUC__) && !defined(__llvm__)
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#pragma GCC pop_options
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#endif
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#endif /* __cplusplus */
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#ifndef __COSMOCC__
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#include "libc/stdbool.h"
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#endif
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#define _LIBCPP_STDINT_H
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typedef int errno_t;
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typedef __SIZE_TYPE__ size_t;
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typedef __PTRDIFF_TYPE__ ssize_t;
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typedef __INTPTR_TYPE__ intptr_t;
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typedef __UINTPTR_TYPE__ uintptr_t;
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typedef __PTRDIFF_TYPE__ ptrdiff_t;
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typedef __WINT_TYPE__ wint_t; /* uint32_t on linux but int32_t on xnu */
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typedef __INT8_TYPE__ int8_t;
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typedef __UINT8_TYPE__ uint8_t;
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typedef __INT16_TYPE__ int16_t;
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typedef __UINT16_TYPE__ uint16_t;
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typedef __INT32_TYPE__ bool32;
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typedef __INT32_TYPE__ int32_t;
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typedef __UINT32_TYPE__ uint32_t;
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typedef __INT64_TYPE__ int64_t;
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typedef __UINT64_TYPE__ uint64_t;
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typedef __INTMAX_TYPE__ intmax_t;
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typedef __UINTMAX_TYPE__ uintmax_t;
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#define __DEFINED_max_align_t
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typedef long double max_align_t;
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#ifdef _COSMO_SOURCE
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#if ((__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 406 || \
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defined(__llvm__)) && \
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!defined(__STRICT_ANSI__)
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typedef signed __int128 int128_t;
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typedef unsigned __int128 uint128_t;
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#endif
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#endif /* _COSMO_SOURCE */
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#ifndef __AXDX_T
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#define __AXDX_T
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typedef struct {
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intptr_t ax, dx;
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} axdx_t;
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#endif
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#ifndef __chibicc__
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#define va_list __builtin_va_list
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#define va_arg(ap, type) __builtin_va_arg(ap, type)
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#define va_copy(dest, src) __builtin_va_copy(dest, src)
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#define va_end(ap) __builtin_va_end(ap)
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#define va_start(ap, last) __builtin_va_start(ap, last)
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#else
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#include "libc/integral/lp64arg.inc"
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#endif
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#define libcesque dontthrow dontcallback
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#define memcpyesque libcesque
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#define strlenesque libcesque nosideeffect paramsnonnull()
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#define vallocesque \
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libcesque __wur returnsaligned((65536)) returnspointerwithnoaliases
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#define reallocesque libcesque returnsaligned((16))
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#define mallocesque reallocesque returnspointerwithnoaliases
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#define interruptfn nocallersavedregisters forcealignargpointer
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#ifndef pureconst
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#ifndef __STRICT_ANSI__
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#define pureconst __attribute__((__const__))
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#else
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#define pureconst
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#endif
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#endif
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#ifndef forcealign
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#define forcealign(bytes) __attribute__((__aligned__(bytes)))
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#endif
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#define thatispacked __attribute__((__packed__))
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#ifndef __STRICT_ANSI__
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#define printfesque(n) __attribute__((__format__(__gnu_printf__, n, n + 1)))
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#define scanfesque(n) __attribute__((__format__(__gnu_scanf__, n, n + 1)))
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#define strftimeesque(n) __attribute__((__format__(__strftime__, n, 0)))
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#else
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#define printfesque(n)
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#define scanfesque(n)
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#define strftimeesque(n)
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#endif
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#ifndef privileged
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#define privileged \
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_Section(".privileged") dontinline dontinstrument dontubsan dontasan
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#endif
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#ifndef wontreturn
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__noreturn__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 208)
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#define wontreturn __attribute__((__noreturn__))
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#else
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#define wontreturn
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#endif
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#endif
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#ifndef nosideeffect
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__pure__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 296)
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#define nosideeffect __attribute__((__pure__))
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#else
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#define nosideeffect
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#endif
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#endif
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#ifndef dontinline
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#ifdef _MSC_VER
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#define dontinline __declspec(noinline)
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#elif !defined(__STRICT_ANSI__) && \
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(__has_attribute(__noinline__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 301)
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#define dontinline __attribute__((__noinline__))
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#else
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#define dontinline
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#endif
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#endif
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#ifndef dontclone
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__noclone__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 405)
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#define dontclone __attribute__((__noclone__))
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#else
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#define dontclone
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#endif
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#endif
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#ifndef forceinline
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#ifdef __cplusplus
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#define forceinline inline
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#else
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#if !defined(__STRICT_ANSI__) && \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 302
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#if (__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 403 || \
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!defined(__cplusplus) || \
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(defined(__clang__) && \
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(defined(__GNUC_STDC_INLINE__) || defined(__GNUC_GNU_INLINE__)))
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#if defined(__GNUC_STDC_INLINE__) || defined(__cplusplus)
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#define forceinline \
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static __inline __attribute__((__always_inline__, __gnu_inline__, \
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__no_instrument_function__, __unused__))
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#else
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#define forceinline \
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static __inline __attribute__((__always_inline__, \
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__no_instrument_function__, __unused__))
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#endif /* __GNUC_STDC_INLINE__ */
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#endif /* GCC >= 4.3 */
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#elif defined(_MSC_VER)
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#define forceinline __forceinline
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#else
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#define forceinline static inline
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#endif /* !ANSI && GCC >= 3.2 */
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#endif /* __cplusplus */
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#endif /* forceinline */
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#ifndef __wur
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#if !defined(__STRICT_ANSI__) && \
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((__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 304 || \
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__has_attribute(__warn_unused_result__))
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#define __wur __attribute__((__warn_unused_result__))
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#else
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#define __wur
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#endif
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#endif
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#ifndef nullterminated
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__sentinel__) || __GNUC__ + 0 >= 4)
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#define nullterminated(x) __attribute__((__sentinel__ x))
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#else
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#define nullterminated(x)
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#endif
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#endif
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#ifndef flattenout
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#if __has_attribute(__flatten__) || \
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((__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 401 && !defined(__llvm__))
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#define flattenout __attribute__((__flatten__))
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#else
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#define flattenout
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#endif
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#endif
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#ifndef externinline
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#if !defined(__STRICT_ANSI__) && \
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(!defined(__cplusplus) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 403 || \
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(defined(__clang__) && \
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(defined(__GNUC_STDC_INLINE__) || defined(__GNUC_GNU_INLINE__))))
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#if defined(__GNUC_STDC_INLINE__) || defined(__cplusplus)
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#define externinline extern __inline __attribute__((__gnu_inline__))
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#else
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#define externinline extern __inline __attribute__((__always_inline__))
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#endif
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#else
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#define externinline inline
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#endif
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#endif
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#ifndef relegated
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__cold__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 403)
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#define relegated __attribute__((__cold__))
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#else
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#define relegated
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#endif
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#endif
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__warning__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 403)
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#define warnifused(s) __attribute__((__warning__(s)))
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#else
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#define warnifused(s)
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#endif
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#ifndef firstclass
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__hot__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 403)
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#define firstclass __attribute__((__hot__))
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#else
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#define firstclass
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#endif
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#endif
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#ifndef paramsnonnull
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__nonnull__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 403)
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#define paramsnonnull(opt_1idxs) __attribute__((__nonnull__ opt_1idxs))
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#else
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#define paramsnonnull(opt_1idxs)
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#endif
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#endif
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#if __STDC_VERSION__ + 0 >= 199901L
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#define hasatleast static
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#else
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#define hasatleast
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#endif
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#if __STDC_VERSION__ + 0 < 199901L && !defined(restrict)
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#if !defined(__STRICT_ANSI__) && !defined(__cplusplus) && \
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((__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 301 || defined(_MSC_VER))
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#define restrict __restrict__
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#else
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#define restrict
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#define __restrict
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#endif
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#endif
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#ifndef dontcallback
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__leaf__) || \
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(!defined(__llvm__) && \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 406))
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#define dontcallback __attribute__((__leaf__))
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#else
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#define dontcallback
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#endif
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#endif
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#ifndef dontthrow
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#if defined(__cplusplus) && !defined(__STRICT_ANSI__) && \
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(__has_attribute(dontthrow) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 303)
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#define dontthrow __attribute__((__nothrow__))
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#elif defined(_MSC_VER)
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#define dontthrow __declspec(nothrow)
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#else
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#define dontthrow
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#endif
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#endif
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#ifndef returnstwice
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__returns_twice__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 402)
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#define returnstwice __attribute__((__returns_twice__))
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#else
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#define returnstwice
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#endif
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#endif
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#ifndef nodebuginfo
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__nodebug__) || defined(__llvm__))
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#define nodebuginfo __attribute__((__nodebug__))
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#else
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#define nodebuginfo
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#endif
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#endif
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#if (__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 408 || \
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__has_attribute(__force_align_arg_pointer__)
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#define forcealignargpointer __attribute__((__force_align_arg_pointer__))
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#else
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#define forcealignargpointer "need modern compiler"
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#endif
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#ifndef returnsnonnull
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__returns_nonnull__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 409)
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#define returnsnonnull __attribute__((__returns_nonnull__))
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#else
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#define returnsnonnull
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#endif
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#endif
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__assume_aligned__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 409)
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#define returnsaligned(x) __attribute__((__assume_aligned__ x))
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#else
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#define returnsaligned(x)
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#endif
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#ifndef returnspointerwithnoaliases
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__malloc__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 409)
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#define returnspointerwithnoaliases __attribute__((__malloc__))
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#elif defined(_MSC_VER)
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#define returnspointerwithnoaliases __declspec(allocator)
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#else
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#define returnspointerwithnoaliases
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#endif
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#endif
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#ifndef attributeallocsize
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__alloc_size__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 409)
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#define attributeallocsize(x) __attribute__((__alloc_size__ x))
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#else
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#define attributeallocsize(x)
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#endif
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#endif
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#ifndef attributeallocalign
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__alloc_align__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 409)
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#define attributeallocalign(x) __attribute__((__alloc_align__ x))
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#else
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#define attributeallocalign(x)
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#endif
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#endif
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#if __cplusplus + 0 >= 201103L
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#define autotype(x) auto
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#elif ((__has_builtin(__auto_type) || defined(__llvm__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 409) && \
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!defined(__chibicc__))
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#define autotype(x) __auto_type
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#else
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#define autotype(x) typeof(x)
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#endif
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#define offsetof(type, member) __builtin_offsetof(type, member)
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#ifdef _COSMO_SOURCE
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#ifndef dontinstrument
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#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__no_instrument_function__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 204)
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#if ((__GNUC__ + 0) >= 7 && !defined(__chibicc__)) || \
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__has_attribute(__patchable_function_entry__)
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#define dontinstrument \
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__attribute__((__no_instrument_function__, \
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__patchable_function_entry__(0, 0)))
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#else
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#define dontinstrument __attribute__((__no_instrument_function__))
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#endif
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#else
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#define dontinstrument
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#endif
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#endif
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#ifndef mayalias
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|
#if !defined(__STRICT_ANSI__) && \
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(__has_attribute(__may_alias__) || \
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(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 303)
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#define mayalias __attribute__((__may_alias__))
|
|
#else
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|
#define mayalias
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|
#endif
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|
#endif
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#ifndef dontoptimize
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|
#ifndef __STRICT_ANSI__
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|
#if defined(__llvm__) || __has_attribute(__optnone__)
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|
#define dontoptimize __attribute__((__optnone__))
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|
#elif (__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 407 || \
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|
__has_attribute(__optimize__)
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|
#define dontoptimize __attribute__((__optimize__(0)))
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|
#endif
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|
#else
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|
#define dontoptimize
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|
#endif
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|
#endif
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|
|
|
#ifndef optimizesize
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|
#ifndef __STRICT_ANSI__
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|
#if (__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 407 || \
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|
__has_attribute(__optimize__)
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|
#define optimizesize __attribute__((__optimize__("s")))
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|
#elif defined(__llvm__) || __has_attribute(__optnone__)
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|
#define optimizesize __attribute__((__optnone__))
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|
#endif
|
|
#else
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|
#define optimizesize
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|
#endif
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|
#endif
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|
|
|
#ifndef optimizespeed
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|
/* warning: corrupts frame pointer; only use on leaf functions */
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|
#if !defined(__STRICT_ANSI__) && \
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|
((__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 407 || \
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|
__has_attribute(__optimize__))
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|
#define optimizespeed __attribute__((__optimize__(3)))
|
|
#else
|
|
#define optimizespeed
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef unrollloops
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|
#if !defined(__STRICT_ANSI__) && \
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|
((__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 407 || \
|
|
__has_attribute(__optimize__))
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|
#define unrollloops __attribute__((__optimize__("unroll-loops")))
|
|
#else
|
|
#define unrollloops
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef _Microarchitecture
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|
#if !defined(__STRICT_ANSI__) && \
|
|
(__has_attribute(__target__) || \
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|
(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 404)
|
|
#define _Microarchitecture(march) __attribute__((__target__(march)))
|
|
#else
|
|
#define _Microarchitecture(march)
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef __x86_64__
|
|
#if __GNUC__ >= 7 || __has_attribute(__no_caller_saved_registers__)
|
|
#define nocallersavedregisters __attribute__((__no_caller_saved_registers__))
|
|
#else
|
|
#define nocallersavedregisters "need modern compiler"
|
|
#endif
|
|
#else
|
|
#define nocallersavedregisters
|
|
#endif
|
|
|
|
#if ((__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 408 || \
|
|
__has_attribute(__no_sanitize_address__)) && \
|
|
!defined(__STRICT_ANSI__)
|
|
#define dontasan __attribute__((__no_sanitize_address__))
|
|
#else
|
|
#define dontasan
|
|
#endif
|
|
|
|
#if ((__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 408 || \
|
|
__has_attribute(__no_sanitize_undefined__)) && \
|
|
!defined(__STRICT_ANSI__)
|
|
#define dontubsan __attribute__((__no_sanitize_undefined__))
|
|
#else
|
|
#define dontubsan
|
|
#endif
|
|
|
|
#ifdef __STRICT_ANSI__
|
|
void abort(void) wontreturn;
|
|
#define notpossible abort()
|
|
#else
|
|
#ifdef __x86_64__
|
|
#define notpossible \
|
|
do { \
|
|
asm("nop\n\t" \
|
|
"ud2\n\t" \
|
|
"nop"); \
|
|
__builtin_unreachable(); \
|
|
} while (0)
|
|
#elif defined(__aarch64__)
|
|
#define notpossible \
|
|
do { \
|
|
asm("udf\t#0\n\t" \
|
|
"nop"); \
|
|
__builtin_unreachable(); \
|
|
} while (0)
|
|
#else
|
|
#define notpossible __builtin_trap()
|
|
#endif
|
|
#endif
|
|
|
|
#define donothing \
|
|
do { \
|
|
} while (0)
|
|
|
|
#ifndef __STRICT_ANSI__
|
|
#define textstartup _Section(".text.startup")
|
|
#define textexit _Section(".text.exit")
|
|
#define textreal _Section(".text.real")
|
|
#define texthead _Section(".text.head")
|
|
#define textwindows _Section(".text.windows")
|
|
#define antiquity _Section(".text.antiquity")
|
|
#else
|
|
#define textstartup
|
|
#define textexit
|
|
#define textreal
|
|
#define texthead
|
|
#define textwindows
|
|
#define antiquity
|
|
#endif
|
|
|
|
#ifdef __llvm__
|
|
#define __builtin_ia32_movntdq(x, y) (*(x) = (y))
|
|
#endif
|
|
|
|
#ifndef _Section
|
|
#define _Section(s) __attribute__((__section__(s)))
|
|
#endif
|
|
|
|
#if defined(__x86_64__) && !defined(__llvm__)
|
|
#define initarray _Section(".init_array,\"a\",@init_array #")
|
|
#else
|
|
#define initarray _Section(".init_array")
|
|
#endif
|
|
|
|
#ifndef __llvm__
|
|
#pragma GCC diagnostic ignored "-Wformat=0" /* todo: patch gcc */
|
|
#pragma GCC diagnostic ignored "-Wbuiltin-declaration-mismatch"
|
|
#pragma GCC diagnostic warning "-Wunknown-pragmas"
|
|
#else
|
|
#pragma GCC diagnostic ignored "-Wformat"
|
|
#pragma GCC diagnostic ignored "-Wconstant-logical-operand" /* what */
|
|
#pragma GCC diagnostic ignored "-Wunknown-warning-option"
|
|
#pragma GCC diagnostic ignored "-Wunknown-pragmas"
|
|
#pragma GCC diagnostic ignored "-Wstring-plus-int" /* features 4 losers */
|
|
#pragma GCC diagnostic ignored "-Wkeyword-compat" /* c++ upgrade */
|
|
#pragma GCC diagnostic ignored "-Wuser-defined-literals" /* reserved for me */
|
|
#endif
|
|
|
|
#pragma GCC diagnostic ignored "-Wformat-extra-args" /* todo: patch gcc */
|
|
#pragma GCC diagnostic ignored "-Wunused-function" /* contradicts dce */
|
|
#pragma GCC diagnostic ignored "-Wunused-const-variable" /* sooo ridiculous */
|
|
#ifndef __cplusplus
|
|
#pragma GCC diagnostic ignored "-Wold-style-definition" /* orwellian bullsh */
|
|
#endif
|
|
|
|
#ifndef __STRICT_ANSI__
|
|
#ifdef __x86_64__
|
|
#define DebugBreak() asm("int3")
|
|
#else
|
|
#define DebugBreak() __builtin_trap()
|
|
#endif
|
|
#else
|
|
#define DebugBreak() (void)0
|
|
#endif
|
|
|
|
#endif /* _COSMO_SOURCE */
|
|
|
|
#ifndef __STRICT_ANSI__
|
|
#define __veil(CONSTRAINT, EXPRESSION) \
|
|
({ \
|
|
autotype(EXPRESSION) VeiledValue = (EXPRESSION); \
|
|
asm("" : "=" CONSTRAINT ""(VeiledValue) : "0"(VeiledValue)); \
|
|
VeiledValue; \
|
|
})
|
|
#else
|
|
#define __veil(CONSTRAINT, EXPRESSION) (EXPRESSION)
|
|
#endif
|
|
|
|
#ifndef __STRICT_ANSI__
|
|
#define __conceal(CONSTRAINT, EXPRESSION) \
|
|
({ \
|
|
autotype(EXPRESSION) VeiledValue = (EXPRESSION); \
|
|
asm volatile("" : "=" CONSTRAINT ""(VeiledValue) : "0"(VeiledValue)); \
|
|
VeiledValue; \
|
|
})
|
|
#else
|
|
#define __conceal(CONSTRAINT, EXPRESSION) (EXPRESSION)
|
|
#endif
|
|
|
|
#ifndef __STRICT_ANSI__
|
|
#define __expropriate(EXPRESSION) \
|
|
({ \
|
|
asm volatile("" ::"g"(EXPRESSION) : "memory"); \
|
|
0; \
|
|
})
|
|
#else
|
|
#define __expropriate(EXPRESSION) (EXPRESSION)
|
|
#endif
|
|
|
|
#if !defined(__STRICT_ANSI__) && !defined(__APPLE__) && defined(__x86_64__)
|
|
#define __yoink(SYMBOL) \
|
|
asm(".section .yoink\n\tnopl\t%0\n\t.previous" : : "m"(SYMBOL))
|
|
#elif defined(__aarch64__)
|
|
#define __yoink(SYMBOL) \
|
|
asm(".section .yoink\n\tb\t%0\n\t.previous" : : "m"(SYMBOL))
|
|
#else
|
|
#define __yoink(SYMBOL) (void)0
|
|
#endif
|
|
|
|
#if !defined(__STRICT_ANSI__) && !defined(__APPLE__) && defined(__x86_64__)
|
|
#define __static_yoink(SYMBOLSTR) \
|
|
asm(".section .yoink\n\tnopl\t\"" SYMBOLSTR "\"\n\t.previous")
|
|
#elif defined(__aarch64__)
|
|
#define __static_yoink(SYMBOLSTR) \
|
|
asm(".section .yoink\n\tb\t\"" SYMBOLSTR "\"\n\t.previous")
|
|
#else
|
|
#define __static_yoink(SYMBOLSTR)
|
|
#endif
|
|
|
|
#if !defined(IM_FEELING_NAUGHTY)
|
|
#define __static_yoink_source(PATH) __static_yoink(PATH)
|
|
#else
|
|
#define __static_yoink_source(PATH)
|
|
#endif
|
|
|
|
#define __weak_reference(sym, alias) __weak_reference_impl(sym, alias)
|
|
#define __weak_reference_impl(sym, alias) \
|
|
__asm__(".weak\t" #alias "\n\t" \
|
|
".equ\t" #alias ", " #sym "\n\t" \
|
|
".type\t" #alias ",@notype")
|
|
|
|
#ifndef __chibicc__
|
|
#define __strong_reference(sym, alias) \
|
|
extern __typeof(sym) alias __attribute__((__alias__(#sym)))
|
|
#else
|
|
#define __strong_reference(sym, alias) __weak_reference(sym, alias)
|
|
#endif
|
|
|
|
#if defined(__GNUC__) || defined(__llvm__)
|
|
#define __funline \
|
|
extern __inline \
|
|
__attribute__((__gnu_inline__, __always_inline__, __artificial__))
|
|
#else
|
|
#define __funline static inline
|
|
#endif
|
|
|
|
#if defined(__x86_64__) && (defined(__GNUC__) || defined(__llvm__)) && \
|
|
!defined(__chibicc__) && 0 /* TODO: enable with toolchain upgrade */
|
|
#define __target_clones(x) __attribute__((__target_clones__(x ",default")))
|
|
#else
|
|
#define __target_clones(x)
|
|
#endif
|
|
|
|
#if !defined(TINY) && !defined(__AVX__) && 0
|
|
#define __vex __target_clones("avx")
|
|
#else
|
|
#define __vex
|
|
#endif
|
|
|
|
#define MACHINE_CODE_ANALYSIS_BEGIN_
|
|
#define MACHINE_CODE_ANALYSIS_END_
|