5de6f3c0f4
Update our copy of libvixl to upstream's 1.12 release. The major benefit from QEMU's point of view is that some instructions previously disassembled as "unimplemented (System)" are now displayed as something more useful. It also fixes some warnings about format strings that newer w64-mingw32 compilers were emitting. We didn't have any local changes to libvixl so nothing needed to be forward-ported. Although this is a large commit (due to upstream renaming most of the files), only a few of the files changed in this commit are not just straight copies of upstream libvixl files: disas/arm-a64.cc disas/libvixl/Makefile.objs disas/libvixl/README Note that this commit introduces some signed-unsigned comparison warnings on the old mingw compilers. Those compilers have broken TLS support anyway so have only ever been much use for compile tests; anybody still using them should add -Wno-sign-compare to their --extra-cflags. Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
152 lines
5.2 KiB
C++
152 lines
5.2 KiB
C++
// Copyright 2015, ARM Limited
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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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#include <stdint.h>
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#include <inttypes.h>
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#include <assert.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include "vixl/platform.h"
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typedef uint8_t byte;
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// Type for half-precision (16 bit) floating point numbers.
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typedef uint16_t float16;
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const int KBytes = 1024;
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const int MBytes = 1024 * KBytes;
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#define VIXL_ABORT() \
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do { printf("in %s, line %i", __FILE__, __LINE__); abort(); } while (false)
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#ifdef VIXL_DEBUG
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#define VIXL_ASSERT(condition) assert(condition)
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#define VIXL_CHECK(condition) VIXL_ASSERT(condition)
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#define VIXL_UNIMPLEMENTED() \
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do { fprintf(stderr, "UNIMPLEMENTED\t"); VIXL_ABORT(); } while (false)
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#define VIXL_UNREACHABLE() \
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do { fprintf(stderr, "UNREACHABLE\t"); VIXL_ABORT(); } while (false)
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#else
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#define VIXL_ASSERT(condition) ((void) 0)
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#define VIXL_CHECK(condition) assert(condition)
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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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#define VIXL_STATIC_ASSERT_LINE(line, condition) \
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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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#define VIXL_STATIC_ASSERT(condition) \
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VIXL_STATIC_ASSERT_LINE(__LINE__, condition)
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template <typename T1>
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inline void USE(T1) {}
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template <typename T1, typename T2>
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inline void USE(T1, T2) {}
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template <typename T1, typename T2, typename T3>
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inline void USE(T1, T2, T3) {}
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template <typename T1, typename T2, typename T3, typename T4>
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inline void USE(T1, T2, T3, T4) {}
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#define VIXL_ALIGNMENT_EXCEPTION() \
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do { fprintf(stderr, "ALIGNMENT EXCEPTION\t"); VIXL_ABORT(); } 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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// Note: This option is only available for Clang. And will only be enabled for
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// C++11(201103L).
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#if __has_warning("-Wimplicit-fallthrough") && __cplusplus >= 201103L
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#define VIXL_FALLTHROUGH() [[clang::fallthrough]] //NOLINT
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#else
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#define VIXL_FALLTHROUGH() do {} while (0)
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#endif
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#if __cplusplus >= 201103L
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#define VIXL_NO_RETURN [[noreturn]] //NOLINT
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#else
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#define VIXL_NO_RETURN __attribute__((noreturn))
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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
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#ifndef VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE
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#define VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE 1
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#endif
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#else
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#ifndef VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE
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#define VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE 0
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#endif
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#if VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE
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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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#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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#endif // VIXL_GLOBALS_H
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