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- /*
- * Copyright (C) 2011-2018 Intel Corporation. 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 Intel Corporation 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 AND 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.
- *
- */
- #ifdef HAVE_SGX
- #ifdef _GNU_SOURCE
- #undef _GNU_SOURCE
- #endif
- #include "arch.h"
- #include "sgx_trts.h"
- #include <assert.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
- #include <sys/mman.h>
- /**
- * In SE, the page size is defined by macro `SE_PAGE_SIZE'.
- */
- int getpagesize(void)
- {
- return SE_PAGE_SIZE;
- }
- int mincore(void *addr, size_t length, unsigned char *vec)
- {
- assert(sgx_is_within_enclave(addr, length));
- return 0;
- }
- char *strdup(const char *s)
- {
- size_t len = strlen(s) + 1;
- void *mem = malloc(len);
- if (mem == NULL)
- return mem;
- return memcpy(mem, s, len);
- }
- /* When optimization is turned on (even with -O), a call to
- * strdup() will be replaced by __strdup(), wich GCC.
- */
- char *
- __strdup(const char* s) __attribute__((weak, alias("strdup")));
- #if defined(__x86_64__) || defined(__x86_64) || defined(__amd64)
- int msync(void *addr, size_t length, int flags)
- {
- return 0;
- }
- #endif
- #ifndef NDEBUG
- /* FIXME: remove __assert_fail()
- * Currently libunwind is built with glibc headers, to improve it
- * we need to build it with SE tlibc headers.
- */
- void __assert_fail (const char *__assertion, const char *__file,
- unsigned int __line, __const char *__function)
- {
- abort();
- }
- #endif
- #endif
- /* vim: set ts=4 sw=4 cin et: */
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