diff options
Diffstat (limited to 'elf/dl-error.c')
-rw-r--r-- | elf/dl-error.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/elf/dl-error.c b/elf/dl-error.c new file mode 100644 index 0000000000..5b5a616d91 --- /dev/null +++ b/elf/dl-error.c @@ -0,0 +1,43 @@ +/* Error handling for runtime dynamic linker. +Copyright (C) 1995 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <stddef.h> +#include <link.h> +#include <setjmp.h> + +static jmp_buf catch_env; +static const char *signalled_errstring; + +void +_dl_signal_error (int errcode, const char *errstring) +{ + signalled_errstring = errstring ?: "DYNAMIC LINKER BUG!!!"; + longjmp (catch_env, errcode ?: -1); +} + +int +_dl_catch_error (const char **errstring, void (*operate) (void)) +{ + int errcode; + + signalled_errstring = NULL; + errcode = setjmp (catch_env); + *errstring = signalled_errstring; + return *errstring ? errcode : 0; +} |