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51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* NaCl function exposing IRT interface query.
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Copyright (C) 2015-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <nacl-interfaces.h>
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#include <ldsodefs.h>
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#ifdef SHARED
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/* We can define this trivially using IFUNC rather than a wrapper
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because we absolutely require that we get the IRT interface query
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function pointer via AT_SYSINFO. */
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extern TYPE_nacl_irt_query nacl_interface_query_ifunc (void)
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asm ("nacl_interface_query");
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TYPE_nacl_irt_query
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inhibit_stack_protector
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nacl_interface_query_ifunc (void)
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{
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return &__nacl_irt_query;
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}
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asm (".type nacl_interface_query, %gnu_indirect_function");
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#else
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/* In the static library, using IFUNC is just extra overhead. */
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size_t
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nacl_interface_query (const char *interface_ident,
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void *table, size_t tablesize)
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{
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return __nacl_irt_query (interface_ident, table, tablesize);
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}
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#endif
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