intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 246 insertions, 0 deletions

diff --git a/util/system/platform.h b/util/system/platform.h
new file mode 100644
index 0000000000..58f310ab34
--- /dev/null
+++ b/util/system/platform.h
@@ -0,0 +1,246 @@
+#pragma once
+
+// ya style breaks indentation in ifdef's and code becomes unreadable
+// clang-format off
+
+// What OS ?
+// our definition has the form _{osname}_
+
+#if defined(_WIN64)
+    #define _win64_
+    #define _win32_
+#elif defined(__WIN32__) || defined(_WIN32) // _WIN32 is also defined by the 64-bit compiler for backward compatibility
+    #define _win32_
+#else
+    #define _unix_
+
+    #if defined(__sun__) || defined(sun) || defined(sparc) || defined(__sparc)
+        #define _sun_
+    #endif
+
+    #if defined(__hpux__)
+        #define _hpux_
+    #endif
+
+    #if defined(__linux__)
+        // Stands for "Linux" in the means of Linux kernel (i. e. Android is included)
+        #define _linux_
+    #endif
+
+    #if defined(__FreeBSD__)
+        #define _freebsd_
+    #endif
+
+    #if defined(__CYGWIN__)
+        #define _cygwin_
+    #endif
+
+    #if defined(__APPLE__)
+        #define _darwin_
+    #endif
+
+    #if defined(__ANDROID__)
+        #define _android_
+    #endif
+#endif
+
+#if defined(__IOS__)
+    #define _ios_
+#endif
+
+#if defined(_linux_)
+    #if defined(_musl_)
+        // nothing to do
+    #elif defined(_android_)
+        // Please do not mix with android-based systems.
+        // This definition describes Standard Library (libc) type.
+        #define _bionic_
+    #else
+        #define _glibc_
+    #endif
+#endif
+
+#if defined(_darwin_)
+    #define unix
+    #define __unix__
+#endif
+
+#if defined(_win32_) || defined(_win64_)
+    #define _win_
+#endif
+
+#if defined(__arm__) || defined(__ARM__) || defined(__ARM_NEON) || defined(__aarch64__) || defined(_M_ARM)
+    #if defined(__arm64) || defined(__arm64__) || defined(__aarch64__)
+        #define _arm64_
+    #else
+        #define _arm32_
+    #endif
+#endif
+
+#if defined(_arm64_) || defined(_arm32_)
+    #define _arm_
+#endif
+
+/* __ia64__ and __x86_64__      - defined by GNU C.
+ * _M_IA64, _M_X64, _M_AMD64    - defined by Visual Studio.
+ *
+ * Microsoft can define _M_IX86, _M_AMD64 (before Visual Studio 8)
+ * or _M_X64 (starting in Visual Studio 8).
+ */
+#if defined(__x86_64__) || defined(_M_X64) || defined(_M_AMD64)
+    #define _x86_64_
+#endif
+
+#if defined(__i386__) || defined(_M_IX86)
+    #define _i386_
+#endif
+
+#if defined(__ia64__) || defined(_M_IA64)
+    #define _ia64_
+#endif
+
+#if defined(__powerpc__)
+    #define _ppc_
+#endif
+
+#if defined(__powerpc64__)
+    #define _ppc64_
+#endif
+
+#if !defined(sparc) && !defined(__sparc) && !defined(__hpux__) && !defined(__alpha__) && !defined(_ia64_) && !defined(_x86_64_) && !defined(_arm_) && !defined(_i386_) && !defined(_ppc_) && !defined(_ppc64_)
+    #error "platform not defined, please, define one"
+#endif
+
+#if defined(_x86_64_) || defined(_i386_)
+    #define _x86_
+#endif
+
+#if defined(__MIC__)
+    #define _mic_
+    #define _k1om_
+#endif
+
+// stdio or MessageBox
+#if defined(__CONSOLE__) || defined(_CONSOLE)
+    #define _console_
+#endif
+#if (defined(_win_) && !defined(_console_))
+    #define _windows_
+#elif !defined(_console_)
+    #define _console_
+#endif
+
+#if defined(__SSE__) || defined(SSE_ENABLED)
+    #define _sse_
+#endif
+
+#if defined(__SSE2__) || defined(SSE2_ENABLED)
+    #define _sse2_
+#endif
+
+#if defined(__SSE3__) || defined(SSE3_ENABLED)
+    #define _sse3_
+#endif
+
+#if defined(__SSSE3__) || defined(SSSE3_ENABLED)
+    #define _ssse3_
+#endif
+
+#if defined(__SSE4_1__) || defined(SSE41_ENABLED)
+    #define _sse4_1_
+#endif
+
+#if defined(__SSE4_2__) || defined(SSE42_ENABLED)
+    #define _sse4_2_
+#endif
+
+#if defined(__POPCNT__) || defined(POPCNT_ENABLED)
+    #define _popcnt_
+#endif
+
+#if defined(__PCLMUL__) || defined(PCLMUL_ENABLED)
+    #define _pclmul_
+#endif
+
+#if defined(__AES__) || defined(AES_ENABLED)
+    #define _aes_
+#endif
+
+#if defined(__AVX__) || defined(AVX_ENABLED)
+    #define _avx_
+#endif
+
+#if defined(__AVX2__) || defined(AVX2_ENABLED)
+    #define _avx2_
+#endif
+
+#if defined(__FMA__) || defined(FMA_ENABLED)
+    #define _fma_
+#endif
+
+#if defined(__DLL__) || defined(_DLL)
+    #define _dll_
+#endif
+
+// 16, 32 or 64
+#if defined(__sparc_v9__) || defined(_x86_64_) || defined(_ia64_) || defined(_arm64_) || defined(_ppc64_)
+    #define _64_
+#else
+    #define _32_
+#endif
+
+/* All modern 64-bit Unix systems use scheme LP64 (long, pointers are 64-bit).
+ * Microsoft uses a different scheme: LLP64 (long long, pointers are 64-bit).
+ *
+ * Scheme          LP64   LLP64
+ * char              8      8
+ * short            16     16
+ * int              32     32
+ * long             64     32
+ * long long        64     64
+ * pointer          64     64
+ */
+
+#if defined(_32_)
+    #define SIZEOF_PTR 4
+#elif defined(_64_)
+    #define SIZEOF_PTR 8
+#endif
+
+#define PLATFORM_DATA_ALIGN SIZEOF_PTR
+
+#if !defined(SIZEOF_PTR)
+    #error todo
+#endif
+
+#define SIZEOF_CHAR 1
+#define SIZEOF_UNSIGNED_CHAR 1
+#define SIZEOF_SHORT 2
+#define SIZEOF_UNSIGNED_SHORT 2
+#define SIZEOF_INT 4
+#define SIZEOF_UNSIGNED_INT 4
+
+#if defined(_32_)
+    #define SIZEOF_LONG 4
+    #define SIZEOF_UNSIGNED_LONG 4
+#elif defined(_64_)
+    #if defined(_win_)
+        #define SIZEOF_LONG 4
+        #define SIZEOF_UNSIGNED_LONG 4
+    #else
+        #define SIZEOF_LONG 8
+        #define SIZEOF_UNSIGNED_LONG 8
+    #endif // _win_
+#endif // _32_
+
+#if !defined(SIZEOF_LONG)
+    #error todo
+#endif
+
+#define SIZEOF_LONG_LONG 8
+#define SIZEOF_UNSIGNED_LONG_LONG 8
+
+#undef SIZEOF_SIZE_T // in case we include <Python.h> which defines it, too
+#define SIZEOF_SIZE_T SIZEOF_PTR
+
+// clang-format on