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553 lines
19 KiB
553 lines
19 KiB
// AsmJit - Machine code generation for C++
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//
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// * Official AsmJit Home Page: https://asmjit.com
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// * Official Github Repository: https://github.com/asmjit/asmjit
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//
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// Copyright (c) 2008-2020 The AsmJit Authors
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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#ifndef ASMJIT_CORE_API_CONFIG_H_INCLUDED
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#define ASMJIT_CORE_API_CONFIG_H_INCLUDED
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// ============================================================================
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// [asmjit::Version]
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// ============================================================================
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//! \addtogroup asmjit_core
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//! \{
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//! AsmJit library version in `(Major << 16) | (Minor << 8) | (Patch)` format.
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#define ASMJIT_LIBRARY_VERSION 0x010400 /* 1.4.0 */
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//! \}
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// ============================================================================
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// [asmjit::Build - Documentation]
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// ============================================================================
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// NOTE: Doxygen cannot document macros that are not defined, that's why we have
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// to define them and then undefine them, so it won't use the macros with its
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// own preprocessor.
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#ifdef _DOXYGEN
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namespace asmjit {
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//! \addtogroup asmjit_build
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//! \{
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//! Asmjit is embedded, implies \ref ASMJIT_STATIC.
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#define ASMJIT_EMBED
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//! Enables static-library build.
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#define ASMJIT_STATIC
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//! Defined when AsmJit's build configuration is 'Debug'.
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//!
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//! \note Can be defined explicitly to bypass autodetection.
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#define ASMJIT_BUILD_DEBUG
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//! Defined when AsmJit's build configuration is 'Release'.
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//!
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//! \note Can be defined explicitly to bypass autodetection.
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#define ASMJIT_BUILD_RELEASE
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//! Defined to build X86/X64 backend.
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#define ASMJIT_BUILD_X86
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//! Defined to build host backend autodetected at compile-time.
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#define ASMJIT_BUILD_HOST
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//! Disables deprecated API at compile time.
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#define ASMJIT_NO_DEPRECATED
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//! Disable non-host architectures entirely.
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#define ASMJIT_NO_FOREIGN
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//! Disables \ref asmjit_builder functionality completely.
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#define ASMJIT_NO_BUILDER
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//! Disables \ref asmjit_compiler functionality completely.
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#define ASMJIT_NO_COMPILER
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//! Disables JIT memory management and \ref JitRuntime.
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#define ASMJIT_NO_JIT
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//! Disables \ref Logger and \ref Formatter.
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#define ASMJIT_NO_LOGGING
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//! Disables everything that contains text.
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#define ASMJIT_NO_TEXT
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//! Disables instruction validation API.
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#define ASMJIT_NO_VALIDATION
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//! Disables instruction introspection API.
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#define ASMJIT_NO_INTROSPECTION
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// Avoid doxygen preprocessor using feature-selection definitions.
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#undef ASMJIT_NO_BUILDER
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#undef ASMJIT_NO_COMPILER
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#undef ASMJIT_NO_JIT
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#undef ASMJIT_NO_LOGGING
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#undef ASMJIT_NO_TEXT
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#undef ASMJIT_NO_VALIDATION
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#undef ASMJIT_NO_INTROSPECTION
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//! \}
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} // {asmjit}
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#endif // _DOXYGEN
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// Enable all features at IDE level, so it's properly highlighted and indexed.
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#ifdef __INTELLISENSE__
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#ifndef ASMJIT_BUILD_X86
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#define ASMJIT_BUILD_X86
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#endif
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#endif
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// ============================================================================
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// [asmjit::Dependencies]
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// ============================================================================
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// We really want std-types as globals.
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#include <stdarg.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <iterator>
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#include <limits>
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#include <new>
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#include <type_traits>
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#include <utility>
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#if !defined(_WIN32) && !defined(__EMSCRIPTEN__)
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#include <pthread.h>
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#endif
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// ============================================================================
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// [asmjit::Options]
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// ============================================================================
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// ASMJIT_NO_BUILDER implies ASMJIT_NO_COMPILER.
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#if defined(ASMJIT_NO_BUILDER) && !defined(ASMJIT_NO_COMPILER)
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#define ASMJIT_NO_COMPILER
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#endif
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// Prevent compile-time errors caused by misconfiguration.
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#if defined(ASMJIT_NO_TEXT) && !defined(ASMJIT_NO_LOGGING)
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#pragma "ASMJIT_NO_TEXT can only be defined when ASMJIT_NO_LOGGING is defined."
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#undef ASMJIT_NO_TEXT
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#endif
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#if defined(ASMJIT_NO_INTROSPECTION) && !defined(ASMJIT_NO_COMPILER)
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#pragma message("ASMJIT_NO_INTROSPECTION can only be defined when ASMJIT_NO_COMPILER is defined")
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#undef ASMJIT_NO_INTROSPECTION
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#endif
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// ============================================================================
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// [asmjit::Build - Globals - Deprecated]
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// ============================================================================
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#ifndef ASMJIT_NO_DEPRECATED
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#if defined(ASMJIT_BUILD_EMBED) || defined(ASMJIT_BUILD_STATIC)
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#if defined(ASMJIT_BUILD_EMBED)
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#pragma message("'ASMJIT_BUILD_EMBED' is deprecated, use 'ASMJIT_STATIC'")
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#endif
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#if defined(ASMJIT_BUILD_STATIC)
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#pragma message("'ASMJIT_BUILD_STATIC' is deprecated, use 'ASMJIT_STATIC'")
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#endif
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#if !defined(ASMJIT_STATIC)
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#define ASMJIT_STATIC
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#endif
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#endif
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#endif // !ASMJIT_NO_DEPRECATED
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// ============================================================================
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// [asmjit::Build - Globals - Build Mode]
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// ============================================================================
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// Detect ASMJIT_BUILD_DEBUG and ASMJIT_BUILD_RELEASE if not defined.
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#if !defined(ASMJIT_BUILD_DEBUG) && !defined(ASMJIT_BUILD_RELEASE)
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#if !defined(NDEBUG)
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#define ASMJIT_BUILD_DEBUG
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#else
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#define ASMJIT_BUILD_RELEASE
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#endif
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#endif
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// ============================================================================
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// [asmjit::Build - Globals - Target Architecture Information]
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// ============================================================================
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#if defined(_M_X64) || defined(__x86_64__)
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#define ASMJIT_ARCH_X86 64
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#elif defined(_M_IX86) || defined(__X86__) || defined(__i386__)
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#define ASMJIT_ARCH_X86 32
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#else
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#define ASMJIT_ARCH_X86 0
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#endif
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#if defined(__arm64__) || defined(__aarch64__)
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# define ASMJIT_ARCH_ARM 64
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#elif defined(_M_ARM) || defined(_M_ARMT) || defined(__arm__) || defined(__thumb__) || defined(__thumb2__)
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#define ASMJIT_ARCH_ARM 32
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#else
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#define ASMJIT_ARCH_ARM 0
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#endif
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#if defined(_MIPS_ARCH_MIPS64) || defined(__mips64)
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#define ASMJIT_ARCH_MIPS 64
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#elif defined(_MIPS_ARCH_MIPS32) || defined(_M_MRX000) || defined(__mips__)
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#define ASMJIT_ARCH_MIPS 32
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#else
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#define ASMJIT_ARCH_MIPS 0
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#endif
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#define ASMJIT_ARCH_BITS (ASMJIT_ARCH_X86 | ASMJIT_ARCH_ARM | ASMJIT_ARCH_MIPS)
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#if ASMJIT_ARCH_BITS == 0
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#undef ASMJIT_ARCH_BITS
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#if defined (__LP64__) || defined(_LP64)
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#define ASMJIT_ARCH_BITS 64
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#else
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#define ASMJIT_ARCH_BITS 32
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#endif
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#endif
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#if (defined(__ARMEB__)) || \
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(defined(__MIPSEB__)) || \
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(defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))
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#define ASMJIT_ARCH_LE 0
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#define ASMJIT_ARCH_BE 1
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#else
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#define ASMJIT_ARCH_LE 1
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#define ASMJIT_ARCH_BE 0
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#endif
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// ============================================================================
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// [asmjit::Build - Globals - Build Architectures Definitions]
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// ============================================================================
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#if !defined(ASMJIT_NO_FOREIGN)
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// If 'ASMJIT_NO_FOREIGN' is not defined then all architectures will be built.
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#if !defined(ASMJIT_BUILD_X86)
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#define ASMJIT_BUILD_X86
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#endif
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#else
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// Detect architectures to build if building only for the host architecture.
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#if ASMJIT_ARCH_X86 && !defined(ASMJIT_BUILD_X86)
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#define ASMJIT_BUILD_X86
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#endif
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#endif
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// Define 'ASMJIT_BUILD_HOST' if we know that host architecture will be built.
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#if !defined(ASMJIT_BUILD_HOST) && ASMJIT_ARCH_X86 && defined(ASMJIT_BUILD_X86)
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#define ASMJIT_BUILD_HOST
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#endif
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// ============================================================================
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// [asmjit::Build - Globals - C++ Compiler and Features Detection]
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// ============================================================================
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#define ASMJIT_CXX_GNU 0
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#define ASMJIT_CXX_MAKE_VER(MAJOR, MINOR) ((MAJOR) * 1000 + (MINOR))
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// Intel Compiler [pretends to be GNU or MSC, so it must be checked first]:
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// - https://software.intel.com/en-us/articles/c0x-features-supported-by-intel-c-compiler
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// - https://software.intel.com/en-us/articles/c14-features-supported-by-intel-c-compiler
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// - https://software.intel.com/en-us/articles/c17-features-supported-by-intel-c-compiler
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#if defined(__INTEL_COMPILER)
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// MSC Compiler:
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// - https://msdn.microsoft.com/en-us/library/hh567368.aspx
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//
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// Version List:
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// - 16.00.0 == VS2010
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// - 17.00.0 == VS2012
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// - 18.00.0 == VS2013
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// - 19.00.0 == VS2015
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// - 19.10.0 == VS2017
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#elif defined(_MSC_VER) && defined(_MSC_FULL_VER)
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// Clang Compiler [Pretends to be GNU, so it must be checked before]:
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// - https://clang.llvm.org/cxx_status.html
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#elif defined(__clang_major__) && defined(__clang_minor__) && defined(__clang_patchlevel__)
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// GNU Compiler:
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// - https://gcc.gnu.org/projects/cxx-status.html
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#elif defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__)
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#undef ASMJIT_CXX_GNU
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#define ASMJIT_CXX_GNU ASMJIT_CXX_MAKE_VER(__GNUC__, __GNUC_MINOR__)
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#endif
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// Compiler features detection macros.
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#if defined(__clang__) && defined(__has_attribute)
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#define ASMJIT_CXX_HAS_ATTRIBUTE(NAME, CHECK) (__has_attribute(NAME))
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#else
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#define ASMJIT_CXX_HAS_ATTRIBUTE(NAME, CHECK) (!(!(CHECK)))
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#endif
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// ============================================================================
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// [asmjit::Build - Globals - API Decorators & Language Extensions]
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// ============================================================================
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// API (Export / Import).
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#if !defined(ASMJIT_STATIC)
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#if defined(_WIN32) && (defined(_MSC_VER) || defined(__MINGW32__))
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#ifdef ASMJIT_EXPORTS
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#define ASMJIT_API __declspec(dllexport)
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#else
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#define ASMJIT_API __declspec(dllimport)
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#endif
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#elif defined(_WIN32) && defined(__GNUC__)
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#ifdef ASMJIT_EXPORTS
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#define ASMJIT_API __attribute__((__dllexport__))
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#else
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#define ASMJIT_API __attribute__((__dllimport__))
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#endif
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#elif defined(__GNUC__)
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#define ASMJIT_API __attribute__((__visibility__("default")))
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#endif
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#endif
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#if !defined(ASMJIT_API)
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#define ASMJIT_API
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#endif
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#if !defined(ASMJIT_VARAPI)
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#define ASMJIT_VARAPI extern ASMJIT_API
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#endif
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// This is basically a workaround. When using MSVC and marking class as DLL
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// export everything gets exported, which is unwanted in most projects. MSVC
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// automatically exports typeinfo and vtable if at least one symbol of the
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// class is exported. However, GCC has some strange behavior that even if
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// one or more symbol is exported it doesn't export typeinfo unless the
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// class itself is decorated with "visibility(default)" (i.e. ASMJIT_API).
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#if !defined(_WIN32) && defined(__GNUC__)
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#define ASMJIT_VIRTAPI ASMJIT_API
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#else
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#define ASMJIT_VIRTAPI
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#endif
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// Function attributes.
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#if !defined(ASMJIT_BUILD_DEBUG) && defined(__GNUC__)
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#define ASMJIT_INLINE inline __attribute__((__always_inline__))
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#elif !defined(ASMJIT_BUILD_DEBUG) && defined(_MSC_VER)
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#define ASMJIT_INLINE __forceinline
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#else
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#define ASMJIT_INLINE inline
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#endif
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#if defined(__GNUC__)
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#define ASMJIT_NOINLINE __attribute__((__noinline__))
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#define ASMJIT_NORETURN __attribute__((__noreturn__))
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#elif defined(_MSC_VER)
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#define ASMJIT_NOINLINE __declspec(noinline)
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#define ASMJIT_NORETURN __declspec(noreturn)
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#else
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#define ASMJIT_NOINLINE
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#define ASMJIT_NORETURN
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#endif
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// Calling conventions.
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#if ASMJIT_ARCH_X86 == 32 && defined(__GNUC__)
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#define ASMJIT_CDECL __attribute__((__cdecl__))
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#define ASMJIT_STDCALL __attribute__((__stdcall__))
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#define ASMJIT_FASTCALL __attribute__((__fastcall__))
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#define ASMJIT_REGPARM(N) __attribute__((__regparm__(N)))
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#elif ASMJIT_ARCH_X86 == 32 && defined(_MSC_VER)
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#define ASMJIT_CDECL __cdecl
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#define ASMJIT_STDCALL __stdcall
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#define ASMJIT_FASTCALL __fastcall
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#define ASMJIT_REGPARM(N)
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#else
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#define ASMJIT_CDECL
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#define ASMJIT_STDCALL
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#define ASMJIT_FASTCALL
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#define ASMJIT_REGPARM(N)
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#endif
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#if ASMJIT_ARCH_X86 && defined(_WIN32) && defined(_MSC_VER)
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#define ASMJIT_VECTORCALL __vectorcall
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#elif ASMJIT_ARCH_X86 && defined(_WIN32)
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#define ASMJIT_VECTORCALL __attribute__((__vectorcall__))
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#else
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#define ASMJIT_VECTORCALL
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#endif
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// Type alignment (not allowed by C++11 'alignas' keyword).
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#if defined(__GNUC__)
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#define ASMJIT_ALIGN_TYPE(TYPE, N) __attribute__((__aligned__(N))) TYPE
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#elif defined(_MSC_VER)
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#define ASMJIT_ALIGN_TYPE(TYPE, N) __declspec(align(N)) TYPE
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#else
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#define ASMJIT_ALIGN_TYPE(TYPE, N) TYPE
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#endif
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//! \def ASMJIT_MAY_ALIAS
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//!
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//! Expands to `__attribute__((__may_alias__))` if supported.
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#if defined(__GNUC__)
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#define ASMJIT_MAY_ALIAS __attribute__((__may_alias__))
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#else
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#define ASMJIT_MAY_ALIAS
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#endif
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//! \def ASMJIT_LIKELY(...)
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//!
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//! Condition is likely to be taken (mostly error handling and edge cases).
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//! \def ASMJIT_UNLIKELY(...)
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//!
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//! Condition is unlikely to be taken (mostly error handling and edge cases).
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#if defined(__GNUC__)
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#define ASMJIT_LIKELY(...) __builtin_expect(!!(__VA_ARGS__), 1)
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#define ASMJIT_UNLIKELY(...) __builtin_expect(!!(__VA_ARGS__), 0)
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#else
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#define ASMJIT_LIKELY(...) (__VA_ARGS__)
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#define ASMJIT_UNLIKELY(...) (__VA_ARGS__)
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#endif
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//! \def ASMJIT_FALLTHROUGH
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//!
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//! Portable [[fallthrough]] attribute.
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#if defined(__clang__) && __cplusplus >= 201103L
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#define ASMJIT_FALLTHROUGH [[clang::fallthrough]]
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#elif defined(__GNUC__) && __GNUC__ >= 7
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#define ASMJIT_FALLTHROUGH __attribute__((__fallthrough__))
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#else
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#define ASMJIT_FALLTHROUGH ((void)0) /* fallthrough */
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#endif
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//! \def ASMJIT_DEPRECATED
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//!
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//! Marks function, class, struct, enum, or anything else as deprecated.
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#if defined(__GNUC__)
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#define ASMJIT_DEPRECATED(MESSAGE) __attribute__((__deprecated__(MESSAGE)))
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#if defined(__clang__)
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#define ASMJIT_DEPRECATED_STRUCT(MESSAGE) __attribute__((__deprecated__(MESSAGE)))
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#else
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#define ASMJIT_DEPRECATED_STRUCT(MESSAGE) /* not usable if a deprecated function uses it */
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#endif
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#elif defined(_MSC_VER)
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#define ASMJIT_DEPRECATED(MESSAGE) __declspec(deprecated(MESSAGE))
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#define ASMJIT_DEPRECATED_STRUCT(MESSAGE) /* not usable if a deprecated function uses it */
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#else
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#define ASMJIT_DEPRECATED(MESSAGE)
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#define ASMJIT_DEPRECATED_STRUCT(MESSAGE)
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#endif
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// Utilities.
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#define ASMJIT_OFFSET_OF(STRUCT, MEMBER) ((int)(intptr_t)((const char*)&((const STRUCT*)0x100)->MEMBER) - 0x100)
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#define ASMJIT_ARRAY_SIZE(X) uint32_t(sizeof(X) / sizeof(X[0]))
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#if ASMJIT_CXX_HAS_ATTRIBUTE(no_sanitize, 0)
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#define ASMJIT_ATTRIBUTE_NO_SANITIZE_UNDEF __attribute__((__no_sanitize__("undefined")))
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#elif ASMJIT_CXX_GNU >= ASMJIT_CXX_MAKE_VER(4, 9)
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#define ASMJIT_ATTRIBUTE_NO_SANITIZE_UNDEF __attribute__((__no_sanitize_undefined__))
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|
#else
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#define ASMJIT_ATTRIBUTE_NO_SANITIZE_UNDEF
|
|
#endif
|
|
|
|
// ============================================================================
|
|
// [asmjit::Build - Globals - Begin-Namespace / End-Namespace]
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|
// ============================================================================
|
|
|
|
#if defined(__clang__)
|
|
#define ASMJIT_BEGIN_NAMESPACE \
|
|
namespace asmjit { \
|
|
_Pragma("clang diagnostic push") \
|
|
_Pragma("clang diagnostic ignored \"-Wconstant-logical-operand\"") \
|
|
_Pragma("clang diagnostic ignored \"-Wunnamed-type-template-args\"")
|
|
#define ASMJIT_END_NAMESPACE \
|
|
_Pragma("clang diagnostic pop") \
|
|
}
|
|
#elif defined(__GNUC__) && __GNUC__ == 4
|
|
#define ASMJIT_BEGIN_NAMESPACE \
|
|
namespace asmjit { \
|
|
_Pragma("GCC diagnostic push") \
|
|
_Pragma("GCC diagnostic ignored \"-Wmissing-field-initializers\"")
|
|
#define ASMJIT_END_NAMESPACE \
|
|
_Pragma("GCC diagnostic pop") \
|
|
}
|
|
#elif defined(__GNUC__) && __GNUC__ >= 8
|
|
#define ASMJIT_BEGIN_NAMESPACE \
|
|
namespace asmjit { \
|
|
_Pragma("GCC diagnostic push") \
|
|
_Pragma("GCC diagnostic ignored \"-Wclass-memaccess\"")
|
|
#define ASMJIT_END_NAMESPACE \
|
|
_Pragma("GCC diagnostic pop") \
|
|
}
|
|
#elif defined(_MSC_VER) && !defined(__INTEL_COMPILER)
|
|
#define ASMJIT_BEGIN_NAMESPACE \
|
|
namespace asmjit { \
|
|
__pragma(warning(push)) \
|
|
__pragma(warning(disable: 4127)) /* conditional expression is const */ \
|
|
__pragma(warning(disable: 4201)) /* nameless struct/union */
|
|
#define ASMJIT_END_NAMESPACE \
|
|
__pragma(warning(pop)) \
|
|
}
|
|
#endif
|
|
|
|
#if !defined(ASMJIT_BEGIN_NAMESPACE) && !defined(ASMJIT_END_NAMESPACE)
|
|
#define ASMJIT_BEGIN_NAMESPACE namespace asmjit {
|
|
#define ASMJIT_END_NAMESPACE }
|
|
#endif
|
|
|
|
#define ASMJIT_BEGIN_SUB_NAMESPACE(NAMESPACE) \
|
|
ASMJIT_BEGIN_NAMESPACE \
|
|
namespace NAMESPACE {
|
|
|
|
#define ASMJIT_END_SUB_NAMESPACE \
|
|
} \
|
|
ASMJIT_END_NAMESPACE
|
|
|
|
// ============================================================================
|
|
// [asmjit::Build - Globals - Utilities]
|
|
// ============================================================================
|
|
|
|
#define ASMJIT_NONCOPYABLE(...) \
|
|
private: \
|
|
__VA_ARGS__(const __VA_ARGS__& other) = delete; \
|
|
__VA_ARGS__& operator=(const __VA_ARGS__& other) = delete; \
|
|
public:
|
|
|
|
#define ASMJIT_NONCONSTRUCTIBLE(...) \
|
|
private: \
|
|
__VA_ARGS__() = delete; \
|
|
__VA_ARGS__(const __VA_ARGS__& other) = delete; \
|
|
__VA_ARGS__& operator=(const __VA_ARGS__& other) = delete; \
|
|
public:
|
|
|
|
// ============================================================================
|
|
// [asmjit::Build - Globals - Cleanup]
|
|
// ============================================================================
|
|
|
|
// Cleanup definitions that are only used within this header file.
|
|
#undef ASMJIT_CXX_GNU
|
|
#undef ASMJIT_CXX_MAKE_VER
|
|
|
|
#endif // ASMJIT_CORE_API_CONFIG_H_INCLUDED
|