| // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef RUNTIME_PLATFORM_UTILS_FUCHSIA_H_ |
| #define RUNTIME_PLATFORM_UTILS_FUCHSIA_H_ |
| |
| #include <endian.h> |
| |
| namespace dart { |
| |
| inline int Utils::CountLeadingZeros(uword x) { |
| #if defined(ARCH_IS_32_BIT) |
| return __builtin_clzl(x); |
| #elif defined(ARCH_IS_64_BIT) |
| return __builtin_clzll(x); |
| #else |
| #error Architecture is not 32-bit or 64-bit. |
| #endif |
| } |
| |
| inline int Utils::CountTrailingZeros(uword x) { |
| #if defined(ARCH_IS_32_BIT) |
| return __builtin_ctzl(x); |
| #elif defined(ARCH_IS_64_BIT) |
| return __builtin_ctzll(x); |
| #else |
| #error Architecture is not 32-bit or 64-bit. |
| #endif |
| } |
| |
| inline uint16_t Utils::HostToBigEndian16(uint16_t value) { |
| return htobe16(value); |
| } |
| |
| inline uint32_t Utils::HostToBigEndian32(uint32_t value) { |
| return htobe32(value); |
| } |
| |
| inline uint64_t Utils::HostToBigEndian64(uint64_t value) { |
| return htobe64(value); |
| } |
| |
| inline uint16_t Utils::HostToLittleEndian16(uint16_t value) { |
| return htole16(value); |
| } |
| |
| inline uint32_t Utils::HostToLittleEndian32(uint32_t value) { |
| return htole32(value); |
| } |
| |
| inline uint64_t Utils::HostToLittleEndian64(uint64_t value) { |
| return htole64(value); |
| } |
| |
| inline char* Utils::StrError(int err, char* buffer, size_t bufsize) { |
| if (strerror_r(err, buffer, bufsize) != 0) { |
| snprintf(buffer, bufsize, "%s", "strerror_r failed"); |
| } |
| return buffer; |
| } |
| |
| } // namespace dart |
| |
| #endif // RUNTIME_PLATFORM_UTILS_FUCHSIA_H_ |