| // 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. |
| |
| #include "test-utils.h" |
| |
| extern "C" { |
| #include <sys/mman.h> |
| } |
| |
| #include "globals-vixl.h" |
| #include "aarch64/cpu-aarch64.h" |
| |
| namespace vixl { |
| |
| // BSD uses `MAP_ANON` instead of the Linux `MAP_ANONYMOUS`. The `MAP_ANONYMOUS` |
| // alias should generally be available, but is not always, so define it manually |
| // if necessary. |
| #if !defined(MAP_ANONYMOUS) && defined(MAP_ANON) |
| #define MAP_ANONYMOUS MAP_ANON |
| #endif |
| |
| |
| void ExecuteMemory(byte* buffer, size_t size, int offset) { |
| void (*test_function)(void); |
| |
| VIXL_ASSERT((offset >= 0) && (static_cast<size_t>(offset) < size)); |
| VIXL_STATIC_ASSERT(sizeof(buffer) == sizeof(test_function)); |
| VIXL_STATIC_ASSERT(sizeof(uintptr_t) == sizeof(test_function)); |
| uintptr_t entry_point = reinterpret_cast<uintptr_t>(buffer); |
| entry_point += offset; |
| memcpy(&test_function, &entry_point, sizeof(test_function)); |
| |
| USE(size); |
| |
| #if defined(__aarch64__) && defined(VIXL_INCLUDE_TARGET_AARCH64) |
| aarch64::CPU::EnsureIAndDCacheCoherency(buffer, size); |
| #elif defined(__arm__) && \ |
| (defined(VIXL_INCLUDE_TARGET_A32) || defined(VIXL_INCLUDE_TARGET_T32)) |
| // TODO: Do not use __builtin___clear_cache and instead implement |
| // `CPU::EnsureIAndDCacheCoherency` for aarch32. |
| __builtin___clear_cache(buffer, reinterpret_cast<char*>(buffer) + size); |
| #endif |
| test_function(); |
| } |
| |
| } // namespace vixl |