dep: Add vixl (AArch32/64 assembler)
This commit is contained in:
Connor McLaughlin
284
dep/vixl/include/vixl/globals-vixl.h
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284
dep/vixl/include/vixl/globals-vixl.h
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// Copyright 2015, VIXL authors
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of ARM Limited nor the names of its contributors may be
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// used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef VIXL_GLOBALS_H
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#define VIXL_GLOBALS_H
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// Get standard C99 macros for integer types.
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#ifndef __STDC_CONSTANT_MACROS
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#define __STDC_CONSTANT_MACROS
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#endif
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#ifndef __STDC_LIMIT_MACROS
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#define __STDC_LIMIT_MACROS
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#endif
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#ifndef __STDC_FORMAT_MACROS
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#define __STDC_FORMAT_MACROS
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#endif
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extern "C" {
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#include <inttypes.h>
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#include <stdint.h>
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}
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#include <cassert>
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#include <cstdarg>
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#include <cstddef>
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#include <cstdio>
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#include <cstdlib>
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#include "platform-vixl.h"
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#ifdef VIXL_NEGATIVE_TESTING
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#include <sstream>
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#include <stdexcept>
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#include <string>
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#endif
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namespace vixl {
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typedef uint8_t byte;
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const int KBytes = 1024;
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const int MBytes = 1024 * KBytes;
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const int kBitsPerByte = 8;
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template <int SizeInBits>
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struct Unsigned;
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template <>
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struct Unsigned<32> {
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typedef uint32_t type;
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};
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template <>
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struct Unsigned<64> {
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typedef uint64_t type;
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};
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} // namespace vixl
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// Detect the host's pointer size.
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#if (UINTPTR_MAX == UINT32_MAX)
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#define VIXL_HOST_POINTER_32
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#elif (UINTPTR_MAX == UINT64_MAX)
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#define VIXL_HOST_POINTER_64
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#else
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#error "Unsupported host pointer size."
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#endif
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#ifdef VIXL_NEGATIVE_TESTING
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#define VIXL_ABORT() \
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do { \
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std::ostringstream oss; \
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oss << "Aborting in " << __FILE__ << ", line " << __LINE__ << std::endl; \
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throw std::runtime_error(oss.str()); \
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} while (false)
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#define VIXL_ABORT_WITH_MSG(msg) \
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do { \
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std::ostringstream oss; \
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oss << (msg) << "in " << __FILE__ << ", line " << __LINE__ << std::endl; \
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throw std::runtime_error(oss.str()); \
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} while (false)
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#define VIXL_CHECK(condition) \
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do { \
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if (!(condition)) { \
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std::ostringstream oss; \
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oss << "Assertion failed (" #condition ")\nin "; \
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oss << __FILE__ << ", line " << __LINE__ << std::endl; \
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throw std::runtime_error(oss.str()); \
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} \
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} while (false)
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#else
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#define VIXL_ABORT() \
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do { \
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printf("Aborting in %s, line %i\n", __FILE__, __LINE__); \
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abort(); \
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} while (false)
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#define VIXL_ABORT_WITH_MSG(msg) \
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do { \
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printf("%sin %s, line %i\n", (msg), __FILE__, __LINE__); \
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abort(); \
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} while (false)
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#define VIXL_CHECK(condition) \
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do { \
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if (!(condition)) { \
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printf("Assertion failed (%s)\nin %s, line %i\n", \
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#condition, \
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__FILE__, \
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__LINE__); \
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abort(); \
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} \
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} while (false)
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#endif
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#ifdef VIXL_DEBUG
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#define VIXL_ASSERT(condition) VIXL_CHECK(condition)
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#define VIXL_UNIMPLEMENTED() \
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do { \
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VIXL_ABORT_WITH_MSG("UNIMPLEMENTED "); \
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} while (false)
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#define VIXL_UNREACHABLE() \
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do { \
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VIXL_ABORT_WITH_MSG("UNREACHABLE "); \
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} while (false)
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#else
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#define VIXL_ASSERT(condition) ((void)0)
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#define VIXL_UNIMPLEMENTED() ((void)0)
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#define VIXL_UNREACHABLE() ((void)0)
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#endif
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// This is not as powerful as template based assertions, but it is simple.
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// It assumes that the descriptions are unique. If this starts being a problem,
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// we can switch to a different implemention.
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#define VIXL_CONCAT(a, b) a##b
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#if __cplusplus >= 201103L
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#define VIXL_STATIC_ASSERT_LINE(line_unused, condition, message) \
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static_assert(condition, message)
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#else
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#define VIXL_STATIC_ASSERT_LINE(line, condition, message_unused) \
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typedef char VIXL_CONCAT(STATIC_ASSERT_LINE_, line)[(condition) ? 1 : -1] \
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__attribute__((unused))
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#endif
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#define VIXL_STATIC_ASSERT(condition) \
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VIXL_STATIC_ASSERT_LINE(__LINE__, condition, "")
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#define VIXL_STATIC_ASSERT_MESSAGE(condition, message) \
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VIXL_STATIC_ASSERT_LINE(__LINE__, condition, message)
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#define VIXL_WARNING(message) \
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do { \
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printf("WARNING in %s, line %i: %s", __FILE__, __LINE__, message); \
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} while (false)
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template <typename T1>
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inline void USE(const T1&) {}
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template <typename T1, typename T2>
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inline void USE(const T1&, const T2&) {}
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template <typename T1, typename T2, typename T3>
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inline void USE(const T1&, const T2&, const T3&) {}
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template <typename T1, typename T2, typename T3, typename T4>
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inline void USE(const T1&, const T2&, const T3&, const T4&) {}
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#define VIXL_ALIGNMENT_EXCEPTION() \
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do { \
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fprintf(stderr, "ALIGNMENT EXCEPTION\t"); \
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VIXL_ABORT(); \
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} while (0)
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// The clang::fallthrough attribute is used along with the Wimplicit-fallthrough
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// argument to annotate intentional fall-through between switch labels.
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// For more information please refer to:
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// http://clang.llvm.org/docs/AttributeReference.html#fallthrough-clang-fallthrough
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#ifndef __has_warning
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#define __has_warning(x) 0
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#endif
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// Fallthrough annotation for Clang and C++11(201103L).
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#if __has_warning("-Wimplicit-fallthrough") && __cplusplus >= 201103L
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#define VIXL_FALLTHROUGH() [[clang::fallthrough]]
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// Fallthrough annotation for GCC >= 7.
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#elif __GNUC__ >= 7
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#define VIXL_FALLTHROUGH() __attribute__((fallthrough))
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#else
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#define VIXL_FALLTHROUGH() \
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do { \
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} while (0)
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#endif
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#if __cplusplus >= 201103L
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#define VIXL_NO_RETURN [[noreturn]]
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#else
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#define VIXL_NO_RETURN __attribute__((noreturn))
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#endif
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#ifdef VIXL_DEBUG
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#define VIXL_NO_RETURN_IN_DEBUG_MODE VIXL_NO_RETURN
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#else
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#define VIXL_NO_RETURN_IN_DEBUG_MODE
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#endif
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#if __cplusplus >= 201103L
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#define VIXL_OVERRIDE override
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#else
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#define VIXL_OVERRIDE
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#endif
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// Some functions might only be marked as "noreturn" for the DEBUG build. This
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// macro should be used for such cases (for more details see what
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// VIXL_UNREACHABLE expands to).
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#ifdef VIXL_DEBUG
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#define VIXL_DEBUG_NO_RETURN VIXL_NO_RETURN
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#else
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#define VIXL_DEBUG_NO_RETURN
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#endif
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#ifdef VIXL_INCLUDE_SIMULATOR_AARCH64
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#ifndef VIXL_AARCH64_GENERATE_SIMULATOR_CODE
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#define VIXL_AARCH64_GENERATE_SIMULATOR_CODE 1
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#endif
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#else
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#ifndef VIXL_AARCH64_GENERATE_SIMULATOR_CODE
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#define VIXL_AARCH64_GENERATE_SIMULATOR_CODE 0
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#endif
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#if VIXL_AARCH64_GENERATE_SIMULATOR_CODE
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#warning "Generating Simulator instructions without Simulator support."
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#endif
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#endif
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// We do not have a simulator for AArch32, although we can pretend we do so that
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// tests that require running natively can be skipped.
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#ifndef __arm__
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#define VIXL_INCLUDE_SIMULATOR_AARCH32
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#ifndef VIXL_AARCH32_GENERATE_SIMULATOR_CODE
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#define VIXL_AARCH32_GENERATE_SIMULATOR_CODE 1
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#endif
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#else
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#ifndef VIXL_AARCH32_GENERATE_SIMULATOR_CODE
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#define VIXL_AARCH32_GENERATE_SIMULATOR_CODE 0
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#endif
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#endif
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#ifdef USE_SIMULATOR
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#error "Please see the release notes for USE_SIMULATOR."
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#endif
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// Target Architecture/ISA
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#ifdef VIXL_INCLUDE_TARGET_A64
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#define VIXL_INCLUDE_TARGET_AARCH64
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#endif
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#if defined(VIXL_INCLUDE_TARGET_A32) && defined(VIXL_INCLUDE_TARGET_T32)
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#define VIXL_INCLUDE_TARGET_AARCH32
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#elif defined(VIXL_INCLUDE_TARGET_A32)
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#define VIXL_INCLUDE_TARGET_A32_ONLY
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#else
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#define VIXL_INCLUDE_TARGET_T32_ONLY
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#endif
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#endif // VIXL_GLOBALS_H
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