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// 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_