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Diffstat (limited to 'js/src/jit/arm64/vixl/Globals-vixl.h')
| -rw-r--r-- | js/src/jit/arm64/vixl/Globals-vixl.h | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/js/src/jit/arm64/vixl/Globals-vixl.h b/js/src/jit/arm64/vixl/Globals-vixl.h new file mode 100644 index 0000000000..7773cd4e30 --- /dev/null +++ b/js/src/jit/arm64/vixl/Globals-vixl.h @@ -0,0 +1,272 @@ +// Copyright 2015, VIXL authors +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: +// +// * Redistributions of source code must retain the above copyright notice, +// this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above copyright notice, +// this list of conditions and the following disclaimer in the documentation +// and/or other materials provided with the distribution. +// * Neither the name of ARM Limited nor the names of its contributors may be +// used to endorse or promote products derived from this software without +// specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND +// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE +// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef VIXL_GLOBALS_H +#define VIXL_GLOBALS_H + +// Get standard C99 macros for integer types. +#ifndef __STDC_CONSTANT_MACROS +#define __STDC_CONSTANT_MACROS +#endif + +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS +#endif + +#ifndef __STDC_FORMAT_MACROS +#define __STDC_FORMAT_MACROS +#endif + +#include "mozilla/Assertions.h" + +#include <cstdarg> +#include <cstddef> +#include <cstdio> +#include <cstdlib> + +extern "C" { +#include <inttypes.h> +#include <stdint.h> +} + +#include "js-config.h" + +#include "jit/arm64/vixl/Platform-vixl.h" +#include "js/Utility.h" + +#ifdef VIXL_NEGATIVE_TESTING +#include <sstream> +#include <stdexcept> +#include <string> +#endif + +namespace vixl { + +typedef uint8_t byte; + +const int KBytes = 1024; +const int MBytes = 1024 * KBytes; + +const int kBitsPerByte = 8; + +template <int SizeInBits> +struct Unsigned; + +template <> +struct Unsigned<32> { + typedef uint32_t type; +}; + +template <> +struct Unsigned<64> { + typedef uint64_t type; +}; + +} // namespace vixl + +// Detect the host's pointer size. +#if (UINTPTR_MAX == UINT32_MAX) +#define VIXL_HOST_POINTER_32 +#elif (UINTPTR_MAX == UINT64_MAX) +#define VIXL_HOST_POINTER_64 +#else +#error "Unsupported host pointer size." +#endif + +#ifdef VIXL_NEGATIVE_TESTING +#define VIXL_ABORT() \ + do { \ + std::ostringstream oss; \ + oss << "Aborting in " << __FILE__ << ", line " << __LINE__ << std::endl; \ + throw std::runtime_error(oss.str()); \ + } while (false) +#define VIXL_ABORT_WITH_MSG(msg) \ + do { \ + std::ostringstream oss; \ + oss << (msg) << "in " << __FILE__ << ", line " << __LINE__ << std::endl; \ + throw std::runtime_error(oss.str()); \ + } while (false) +#define VIXL_CHECK(condition) \ + do { \ + if (!(condition)) { \ + std::ostringstream oss; \ + oss << "Assertion failed (" #condition ")\nin "; \ + oss << __FILE__ << ", line " << __LINE__ << std::endl; \ + throw std::runtime_error(oss.str()); \ + } \ + } while (false) +#else +#define VIXL_ABORT() \ + do { \ + MOZ_CRASH(); \ + } while (false) +#define VIXL_ABORT_WITH_MSG(msg) \ + do { \ + MOZ_CRASH(msg); \ + } while (false) +#define VIXL_CHECK(condition) \ + do { \ + if (!(condition)) { \ + MOZ_CRASH(); \ + } \ + } while (false) +#endif +#ifdef DEBUG +#define VIXL_ASSERT(condition) MOZ_ASSERT(condition) +#define VIXL_UNIMPLEMENTED() \ + do { \ + VIXL_ABORT_WITH_MSG("UNIMPLEMENTED "); \ + } while (false) +#define VIXL_UNREACHABLE() \ + do { \ + VIXL_ABORT_WITH_MSG("UNREACHABLE "); \ + } while (false) +#else +#define VIXL_ASSERT(condition) ((void)0) +#define VIXL_UNIMPLEMENTED() ((void)0) +#define VIXL_UNREACHABLE() MOZ_MAKE_COMPILER_ASSUME_IS_UNREACHABLE("vixl unreachable") +#endif +// This is not as powerful as template based assertions, but it is simple. +// It assumes that the descriptions are unique. If this starts being a problem, +// we can switch to a different implemention. +#define VIXL_CONCAT(a, b) a##b +#if __cplusplus >= 201103L +#define VIXL_STATIC_ASSERT_LINE(line_unused, condition, message) \ + static_assert(condition, message) +#else +#define VIXL_STATIC_ASSERT_LINE(line, condition, message_unused) \ + typedef char VIXL_CONCAT(STATIC_ASSERT_LINE_, line)[(condition) ? 1 : -1] \ + __attribute__((unused)) +#endif +#define VIXL_STATIC_ASSERT(condition) \ + VIXL_STATIC_ASSERT_LINE(__LINE__, condition, "") +#define VIXL_STATIC_ASSERT_MESSAGE(condition, message) \ + VIXL_STATIC_ASSERT_LINE(__LINE__, condition, message) + +#define VIXL_WARNING(message) \ + do { \ + printf("WARNING in %s, line %i: %s", __FILE__, __LINE__, message); \ + } while (false) + +template <typename T1> +inline void USE(const T1&) {} + +template <typename T1, typename T2> +inline void USE(const T1&, const T2&) {} + +template <typename T1, typename T2, typename T3> +inline void USE(const T1&, const T2&, const T3&) {} + +template <typename T1, typename T2, typename T3, typename T4> +inline void USE(const T1&, const T2&, const T3&, const T4&) {} + +#define VIXL_ALIGNMENT_EXCEPTION() \ + do { \ + VIXL_ABORT_WITH_MSG("ALIGNMENT EXCEPTION\t"); \ + } while (0) + +// The clang::fallthrough attribute is used along with the Wimplicit-fallthrough +// argument to annotate intentional fall-through between switch labels. +// For more information please refer to: +// http://clang.llvm.org/docs/AttributeReference.html#fallthrough-clang-fallthrough +#ifndef __has_warning +#define __has_warning(x) 0 +#endif + +// Fallthrough annotation for Clang and C++11(201103L). +#if __has_warning("-Wimplicit-fallthrough") && __cplusplus >= 201103L +#define VIXL_FALLTHROUGH() [[clang::fallthrough]] +// Fallthrough annotation for GCC >= 7. +#elif __GNUC__ >= 7 +#define VIXL_FALLTHROUGH() __attribute__((fallthrough)) +#else +#define VIXL_FALLTHROUGH() \ + do { \ + } while (0) +#endif + +#if __cplusplus >= 201103L +#define VIXL_NO_RETURN [[noreturn]] +#else +#define VIXL_NO_RETURN __attribute__((noreturn)) +#endif +#ifdef VIXL_DEBUG +#define VIXL_NO_RETURN_IN_DEBUG_MODE VIXL_NO_RETURN +#else +#define VIXL_NO_RETURN_IN_DEBUG_MODE +#endif + +#if __cplusplus >= 201103L +#define VIXL_OVERRIDE override +#else +#define VIXL_OVERRIDE +#endif + +#ifdef VIXL_INCLUDE_SIMULATOR_AARCH64 +#ifndef VIXL_AARCH64_GENERATE_SIMULATOR_CODE +#define VIXL_AARCH64_GENERATE_SIMULATOR_CODE 1 +#endif +#else +#ifndef VIXL_AARCH64_GENERATE_SIMULATOR_CODE +#define VIXL_AARCH64_GENERATE_SIMULATOR_CODE 0 +#endif +#if VIXL_AARCH64_GENERATE_SIMULATOR_CODE +#warning "Generating Simulator instructions without Simulator support." +#endif +#endif + +// We do not have a simulator for AArch32, although we can pretend we do so that +// tests that require running natively can be skipped. +#ifndef __arm__ +#define VIXL_INCLUDE_SIMULATOR_AARCH32 +#ifndef VIXL_AARCH32_GENERATE_SIMULATOR_CODE +#define VIXL_AARCH32_GENERATE_SIMULATOR_CODE 1 +#endif +#else +#ifndef VIXL_AARCH32_GENERATE_SIMULATOR_CODE +#define VIXL_AARCH32_GENERATE_SIMULATOR_CODE 0 +#endif +#endif + +// Target Architecture/ISA + +// Hack: always include AArch64. +#define VIXL_INCLUDE_TARGET_A64 + +#ifdef VIXL_INCLUDE_TARGET_A64 +#define VIXL_INCLUDE_TARGET_AARCH64 +#endif + +#if defined(VIXL_INCLUDE_TARGET_A32) && defined(VIXL_INCLUDE_TARGET_T32) +#define VIXL_INCLUDE_TARGET_AARCH32 +#elif defined(VIXL_INCLUDE_TARGET_A32) +#define VIXL_INCLUDE_TARGET_A32_ONLY +#else +#define VIXL_INCLUDE_TARGET_T32_ONLY +#endif + + +#endif // VIXL_GLOBALS_H |