69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/* Stripped down support to run global constructors and destructors on
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embedded PowerPC systems.
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Copyright (C) 1995 Free Software Foundation, Inc.
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Contributed by Michael Meissner (meissner@cygnus.com).
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Declare a pointer to void function type. */
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typedef void (*func_ptr) (void);
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/* Declare the set of symbols use as begin and end markers for the lists
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of global object constructors and global object destructors. */
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extern func_ptr __CTOR_LIST__[];
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extern func_ptr __CTOR_END__ [];
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extern func_ptr __DTOR_LIST__[];
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extern func_ptr __DTOR_END__ [];
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extern void __do_global_ctors (void);
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extern void __do_global_dtors (void);
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void (*__atexit)(func_ptr);
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/* Call all global constructors */
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void
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__do_global_ctors (void)
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{
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func_ptr *ptr = &__CTOR_LIST__[0];
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func_ptr *end = &__CTOR_END__[0];
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if (__atexit)
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__atexit (__do_global_dtors);
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for ( ; ptr != end; ptr++)
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if (*ptr)
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(*ptr)();
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}
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/* Call all global destructors */
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void
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__do_global_dtors (void)
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{
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func_ptr *ptr = &__DTOR_LIST__[0];
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func_ptr *end = &__DTOR_END__[0];
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for ( ; ptr != end; ptr++)
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if (*ptr)
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(*ptr)();
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}
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