mirror of
https://github.com/Zenithsiz/ftmemsim-valgrind.git
synced 2026-02-03 18:13:01 +00:00
e245f2aeb0
This required some tricks with casting to maintain Memcheck's silly (ie. negative) arg checking. The allocator was also changed accordingly. It should now be able to allocate more than 4GB blocks on 64-bit platforms. git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2906
103 lines
3.6 KiB
C
103 lines
3.6 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- Default panicky definitions of template functions that tools ---*/
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/*--- should override. ---*/
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/*--- vg_defaults.c ---*/
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/*--------------------------------------------------------------------*/
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/*
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This file is part of Valgrind, an extensible x86 protected-mode
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emulator for monitoring program execution on x86-Unixes.
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Copyright (C) 2000-2004 Nicholas Nethercote
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njn25@cam.ac.uk
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU 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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This program is distributed in the hope that it will be useful, but
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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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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 this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307, USA.
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The GNU General Public License is contained in the file COPYING.
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*/
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#include "core.h"
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/* ---------------------------------------------------------------------
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Error messages (for malformed tools)
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------------------------------------------------------------------ */
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/* If the tool fails to define one or more of the required functions,
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* make it very clear what went wrong! */
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__attribute__ ((noreturn))
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void VG_(missing_tool_func) ( const Char* fn )
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{
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VG_(printf)(
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"\nTool error:\n"
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" The tool you have selected is missing the function `%s',\n"
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" which is required.\n\n",
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fn);
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VG_(skin_panic)("Missing tool function");
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}
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static __attribute__ ((noreturn))
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void malloc_panic ( const Char* fn )
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{
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VG_(printf)(
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"\nTool error:\n"
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" The tool you have selected is missing the function `%s'\n"
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" required because it is replacing malloc() et al.\n\n",
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fn);
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VG_(skin_panic)("Missing tool function");
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}
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/*------------------------------------------------------------*/
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/*--- Replacing malloc et al ---*/
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/*------------------------------------------------------------*/
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/* Default redzone size for CLIENT arena of Valgrind's malloc() */
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__attribute__ ((weak))
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UInt VG_(vg_malloc_redzone_szB) = 8;
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Bool VG_(sk_malloc_called_by_scheduler) = False;
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/* If the tool hasn't replaced malloc(), this one can be called from the
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scheduler, for the USERREQ__MALLOC user request used by vg_libpthread.c.
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(Nb: it cannot call glibc's malloc().) The lock variable ensures that the
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scheduler is the only place this can be called from; this ensures that a
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malloc()-replacing tool cannot forget to implement SK_(malloc)() or
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SK_(free)(). */
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__attribute__ ((weak))
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void* SK_(malloc)( SizeT size )
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{
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if (VG_(sk_malloc_called_by_scheduler))
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return VG_(cli_malloc)(VG_MIN_MALLOC_SZB, size);
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else
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malloc_panic(__PRETTY_FUNCTION__);
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}
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__attribute__ ((weak))
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void SK_(free)( void* p )
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{
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/* see comment for SK_(malloc)() above */
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if (VG_(sk_malloc_called_by_scheduler))
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VG_(cli_free)(p);
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else
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malloc_panic(__PRETTY_FUNCTION__);
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}
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/*--------------------------------------------------------------------*/
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/*--- end vg_defaults.c ---*/
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/*--------------------------------------------------------------------*/
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