b35431cf07
* libsupc++/exception_support.h: New header file. * libsupc++/vec.cc: Include it. (__cxa_vec_new2): Recatch exceptions before rethrows. (__cxa_vec_new3): Likewise. (__cxa_vec_ctor): Likewise. (__cxa_vec_cctor): Likewise. (__cxa_vec_dtor): Likewise. (__cxa_vec_delete2): Likewise. (__cxa_vec_delete3): Likewise. From-SVN: r37554
67 lines
2.6 KiB
C
67 lines
2.6 KiB
C
// Copyright (C) 2000
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// Free Software Foundation, Inc.
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//
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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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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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#include "gansidecl.h" /* Needed to support macros used in eh-common.h. */
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#include "eh-common.h"
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/* The type of a function called to clean up an exception object.
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(These will be destructors.) Under the old ABI, these take a
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second argument (the `in-charge' argument), that indicates whether
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or not do delete the object, and whether or not to destroy virtual
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bases. Under the new ABI, there is no second argument. */
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#if !defined (__GXX_ABI_VERSION) || __GXX_ABI_VERSION < 100
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typedef void (*cleanup_fn)(void *, int);
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/* The `2' is the value for the in-charge parameter that indicates
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that virtual bases should be destroyed. */
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#define CALL_CLEANUP(FN, THIS) FN (THIS, 2)
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#else
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typedef void (*cleanup_fn)(void *);
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#define CALL_CLEANUP(FN, THIS) FN (THIS)
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#endif
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/* C++-specific state about the current exception. This must match
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init_exception_processing().
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Note that handlers and caught are not redundant; when rethrown, an
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exception can have multiple active handlers and still be considered
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uncaught. */
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struct cp_eh_info
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{
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__eh_info eh_info;
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void *value;
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void *type;
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cleanup_fn cleanup;
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bool caught;
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cp_eh_info *next;
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long handlers;
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void *original_value;
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};
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extern "C" cp_eh_info *__uncatch_exception (void);
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extern "C" void __recatch_exception (cp_eh_info *);
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