51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/* Error handling for runtime dynamic linker.
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Copyright (C) 1995 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <stddef.h>
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#include <link.h>
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#include <setjmp.h>
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static jmp_buf catch_env;
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static const char *signalled_errstring, *signalled_objname;
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void
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_dl_signal_error (int errcode,
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const char *objname,
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const char *errstring)
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{
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signalled_errstring = errstring ?: "DYNAMIC LINKER BUG!!!";
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signalled_objname = objname;
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longjmp (catch_env, errcode ?: -1);
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}
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int
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_dl_catch_error (const char **errstring,
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const char **objname,
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void (*operate) (void))
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{
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int errcode;
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signalled_errstring = signalled_objname = NULL;
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errcode = setjmp (catch_env);
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(*operate) ();
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*errstring = signalled_errstring;
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*objname = signalled_objname;
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return *errstring ? errcode : 0;
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}
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