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Diffstat (limited to 'disas/libvixl/vixl/globals.h')
| -rw-r--r-- | disas/libvixl/vixl/globals.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/disas/libvixl/vixl/globals.h b/disas/libvixl/vixl/globals.h new file mode 100644 index 0000000000..61dc9f7f7e --- /dev/null +++ b/disas/libvixl/vixl/globals.h @@ -0,0 +1,151 @@ +// Copyright 2015, ARM Limited +// 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 <stdint.h> +#include <inttypes.h> + +#include <assert.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <stddef.h> +#include "vixl/platform.h" + + +typedef uint8_t byte; + +// Type for half-precision (16 bit) floating point numbers. +typedef uint16_t float16; + +const int KBytes = 1024; +const int MBytes = 1024 * KBytes; + +#define VIXL_ABORT() \ + do { printf("in %s, line %i", __FILE__, __LINE__); abort(); } while (false) +#ifdef VIXL_DEBUG + #define VIXL_ASSERT(condition) assert(condition) + #define VIXL_CHECK(condition) VIXL_ASSERT(condition) + #define VIXL_UNIMPLEMENTED() \ + do { fprintf(stderr, "UNIMPLEMENTED\t"); VIXL_ABORT(); } while (false) + #define VIXL_UNREACHABLE() \ + do { fprintf(stderr, "UNREACHABLE\t"); VIXL_ABORT(); } while (false) +#else + #define VIXL_ASSERT(condition) ((void) 0) + #define VIXL_CHECK(condition) assert(condition) + #define VIXL_UNIMPLEMENTED() ((void) 0) + #define VIXL_UNREACHABLE() ((void) 0) +#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 +#define VIXL_STATIC_ASSERT_LINE(line, condition) \ + typedef char VIXL_CONCAT(STATIC_ASSERT_LINE_, line)[(condition) ? 1 : -1] \ + __attribute__((unused)) +#define VIXL_STATIC_ASSERT(condition) \ + VIXL_STATIC_ASSERT_LINE(__LINE__, condition) + +template <typename T1> +inline void USE(T1) {} + +template <typename T1, typename T2> +inline void USE(T1, T2) {} + +template <typename T1, typename T2, typename T3> +inline void USE(T1, T2, T3) {} + +template <typename T1, typename T2, typename T3, typename T4> +inline void USE(T1, T2, T3, T4) {} + +#define VIXL_ALIGNMENT_EXCEPTION() \ + do { fprintf(stderr, "ALIGNMENT EXCEPTION\t"); VIXL_ABORT(); } 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 + +// Note: This option is only available for Clang. And will only be enabled for +// C++11(201103L). +#if __has_warning("-Wimplicit-fallthrough") && __cplusplus >= 201103L + #define VIXL_FALLTHROUGH() [[clang::fallthrough]] //NOLINT +#else + #define VIXL_FALLTHROUGH() do {} while (0) +#endif + +#if __cplusplus >= 201103L + #define VIXL_NO_RETURN [[noreturn]] //NOLINT +#else + #define VIXL_NO_RETURN __attribute__((noreturn)) +#endif + +// Some functions might only be marked as "noreturn" for the DEBUG build. This +// macro should be used for such cases (for more details see what +// VIXL_UNREACHABLE expands to). +#ifdef VIXL_DEBUG + #define VIXL_DEBUG_NO_RETURN VIXL_NO_RETURN +#else + #define VIXL_DEBUG_NO_RETURN +#endif + +#ifdef VIXL_INCLUDE_SIMULATOR +#ifndef VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE + #define VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE 1 +#endif +#else +#ifndef VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE + #define VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE 0 +#endif +#if VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE + #warning "Generating Simulator instructions without Simulator support." +#endif +#endif + +#ifdef USE_SIMULATOR + #error "Please see the release notes for USE_SIMULATOR." +#endif + +#endif // VIXL_GLOBALS_H |