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59 lines
2.4 KiB
C
59 lines
2.4 KiB
C
// Copyright (C) 2012-2017 Free Software Foundation, Inc.
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//
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// This file is part of GCC.
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//
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// GCC 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 3, or (at your option)
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// any later version.
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// GCC 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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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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#ifndef _VTV_FAIL_H
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#define _VTV_FAIL_H 1
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/* __vtv_really_fail prints a backtrace and a memory dump, then calls
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abort. It is here for programmers to call, presumably from
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__vtv_verify_fail, if they choose to overwrite the standard
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__vtv_verify_fail with one of their own. Programmers should NOT
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attempt to rewrite __vtv_really_fail. */
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extern void
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__vtv_really_fail (const char *fail_msg)
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__attribute__ ((visibility ("default"), noreturn, nothrow));
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/* __vtv_verify_fail is the function that gets called if the vtable
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verification code discovers a vtable pointer that it cannot verify
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as valid. Normally __vtv_verify_fail calls __vtv_really_fail.
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However programmers can write and link in their own version of
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__vtv_verify_fail, if they wish to do some kind of secondary
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verification, for example. The main verification code assumes that
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IF __vtv_verify_fail returns, then some kind of secondary
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verification was done AND that the secondary verification succeeded,
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i.e. that the vtable pointer is actually valid and ok to use. If
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the secondary verification fails, then __vtv_verify_fail should not
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return. */
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extern void
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__vtv_verify_fail (void **data_set_ptr, const void *vtbl_pointer)
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__attribute__((visibility ("default"), nothrow));
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extern void
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__vtv_verify_fail_debug (void **data_set_ptr, const void *vtbl_pointer,
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const char *debug_msg)
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__attribute__((visibility ("default"), nothrow));
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#endif /* _VTV_FAIL_H */
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