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/* Fake 'alloca' implementation.
Copyright (C) 2025 Free Software Foundation, Inc.
This file is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3, or (at your option) any
later version.
This file is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
/* For '-mfake-ptx-alloca', in case real PTX 'alloca' is not available.
With this function defined, we don't get a link-time failure
(unresolved symbol '__GCC_nvptx__PTX_alloca_not_supported'), but rather:
successful execution, in case that 'alloca' is not attempted (if only used
in error code paths, for example), and a run-time failure only in case that
'alloca' is actually attempted. */
void *
__GCC_nvptx__PTX_alloca_not_supported (__SIZE_TYPE__ size __attribute__ ((unused)))
{
__builtin_printf ("GCC/nvptx: sorry, unimplemented:"
" dynamic stack allocation not supported\n");
__builtin_abort ();
return 0;
}
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