initial upload

src/base/base_context_cracking.h

@@ -0,0 +1,144 @@
+// Copyright (c) 2024 Epic Games Tools
+// Licensed under the MIT license (https://opensource.org/license/mit/)
+
+#ifndef BASE_CONTEXT_CRACKING_H
+#define BASE_CONTEXT_CRACKING_H
+
+#if defined(__clang__)
+
+# define COMPILER_CLANG 1
+
+# if defined(_WIN32)
+#  define OS_WINDOWS 1
+# elif defined(__gnu_linux__) || defined(__linux__)
+#  define OS_LINUX 1
+# elif defined(__APPLE__) && defined(__MACH__)
+#  define OS_MAC 1
+# else
+#  error This compiler/platform combo is not supported yet
+# endif
+
+# if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64)
+#  define ARCH_X64 1
+# elif defined(i386) || defined(__i386) || defined(__i386__)
+#  define ARCH_X86 1
+# elif defined(__aarch64__)
+#  define ARCH_ARM64 1
+# elif defined(__arm__)
+#  define ARCH_ARM32 1
+# else
+#  error architecture not supported yet
+# endif
+
+#elif defined(_MSC_VER)
+
+# define COMPILER_CL 1
+
+# if defined(_WIN32)
+#  define OS_WINDOWS 1
+# else
+#  error This compiler/platform combo is not supported yet
+# endif
+
+# if defined(_M_AMD64)
+#  define ARCH_X64 1
+# elif defined(_M_IX86)
+#  define ARCH_X86 1
+# elif defined(_M_ARM64)
+#  define ARCH_ARM64 1
+# elif defined(_M_ARM)
+#  define ARCH_ARM32 1
+# else
+#  error architecture not supported yet
+# endif
+
+#elif defined(__GNUC__) || defined(__GNUG__)
+
+# define COMPILER_GCC 1
+
+# if defined(__gnu_linux__) || defined(__linux__)
+#  define OS_LINUX 1
+# else
+#  error This compiler/platform combo is not supported yet
+# endif
+
+# if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64)
+#  define ARCH_X64 1
+# elif defined(i386) || defined(__i386) || defined(__i386__)
+#  define ARCH_X86 1
+# elif defined(__aarch64__)
+#  define ARCH_ARM64 1
+# elif defined(__arm__)
+#  define ARCH_ARM32 1
+# else
+#  error architecture not supported yet
+# endif
+
+#else
+# error This compiler is not supported yet
+#endif
+
+#if defined(ARCH_X64)
+# define ARCH_64BIT 1
+#elif defined(ARCH_X86)
+# define ARCH_32BIT 1
+#endif
+
+#if defined(__cplusplus)
+# define LANG_CPP 1
+#else
+# define LANG_C 1
+#endif
+
+// zeroify
+
+#if !defined(ARCH_32BIT)
+# define ARCH_32BIT 0
+#endif
+#if !defined(ARCH_64BIT)
+# define ARCH_64BIT 0
+#endif
+#if !defined(ARCH_X64)
+# define ARCH_X64 0
+#endif
+#if !defined(ARCH_X86)
+# define ARCH_X86 0
+#endif
+#if !defined(ARCH_ARM64)
+# define ARCH_ARM64 0
+#endif
+#if !defined(ARCH_ARM32)
+# define ARCH_ARM32 0
+#endif
+#if !defined(COMPILER_CL)
+# define COMPILER_CL 0
+#endif
+#if !defined(COMPILER_GCC)
+# define COMPILER_GCC 0
+#endif
+#if !defined(COMPILER_CLANG)
+# define COMPILER_CLANG 0
+#endif
+#if !defined(OS_WINDOWS)
+# define OS_WINDOWS 0
+#endif
+#if !defined(OS_LINUX)
+# define OS_LINUX 0
+#endif
+#if !defined(OS_MAC)
+# define OS_MAC 0
+#endif
+#if !defined(LANG_CPP)
+# define LANG_CPP 0
+#endif
+#if !defined(LANG_C)
+# define LANG_C 0
+#endif
+
+#if ARCH_ARM32 || ARCH_ARM64 || ARCH_X64 || ARCH_X86
+# define ARCH_LITTLE_ENDIAN 1
+#else
+# error Endianness of this architecture not understood by context cracker
+#endif
+
+#endif // BASE_CONTEXT_CRACKING_H