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csu: Move calling main out of __libc_start_main_impl

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This code depends on whether glibc has unwinding support for
a particular port.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer
2021-04-21 19:49:50 +02:00
parent 1d95b035c7
commit 130fca173f
3 changed files with 116 additions and 70 deletions
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24
sysdeps/generic/libc_start_call_main.h Normal file
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/* Invoking main from __libc_start. Generic version without unwinding.
Copyright (C) 1998-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
_Noreturn static __always_inline void
__libc_start_call_main (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL),
int argc, char **argv MAIN_AUXVEC_DECL)
{
exit (main (argc, argv, __environ MAIN_AUXVEC_PARAM));
}