61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/* mtrace API for `malloc'.
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Copyright (C) 1991-2022 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#if !IS_IN (libc)
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# include "mtrace-impl.c"
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#else
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# include <shlib-compat.h>
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# include <libc-symbols.h>
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#endif
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#if IS_IN (libc) && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_34)
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/* Compatibility symbols that were introduced to help break at allocation sites
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for specific memory allocations. This is unusable with ASLR, although gdb
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may allow predictable allocation addresses. Even then, gdb has watchpoint
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and conditional breakpoint support which should provide the same
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functionality without having this kludge. These symbols are preserved in
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case some applications ended up linking against them but they don't actually
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do anything anymore; not that they did much before anyway. */
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void *mallwatch;
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compat_symbol (libc, mallwatch, mallwatch, GLIBC_2_0);
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void
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tr_break (void)
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{
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}
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compat_symbol (libc, tr_break, tr_break, GLIBC_2_0);
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#endif
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void
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mtrace (void)
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{
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#if !IS_IN (libc)
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do_mtrace ();
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#endif
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}
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void
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muntrace (void)
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{
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#if !IS_IN (libc)
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do_muntrace ();
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#endif
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}
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