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https://github.com/Zenithsiz/ftmemsim-valgrind.git
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96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- Higher-level UCode sequence builders ---*/
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/*--- vg_instrument.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) 2000-2003 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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/* We only import vg_skin.h here, because this file only provides functions
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for doing things that could be done directly by the skin -- it's just to
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make skins' lives easier, rather than let them do something they
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couldn't otherwise do. */
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#include "vg_skin.h"
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void VG_(call_helper_0_0)(UCodeBlock* cb, Addr f)
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{
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uInstr0(cb, CCALL, 0);
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uCCall(cb, f, 0, 0, 0);
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}
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void VG_(call_helper_1_0)(UCodeBlock* cb, Addr f, UInt arg1, UInt regparms_n)
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{
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UInt t1 = newTemp(cb);
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sk_assert(regparms_n <= 1);
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uInstr2(cb, MOV, 4, Literal, 0, TempReg, t1);
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uLiteral(cb, arg1);
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uInstr1(cb, CCALL, 0, TempReg, t1);
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uCCall(cb, f, 1, regparms_n, 0);
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}
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void VG_(call_helper_2_0)(UCodeBlock* cb, Addr f, UInt arg1, UInt arg2,
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UInt regparms_n)
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{
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UInt t1 = newTemp(cb);
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UInt t2 = newTemp(cb);
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sk_assert(regparms_n <= 2);
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uInstr2(cb, MOV, 4, Literal, 0, TempReg, t1);
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uLiteral(cb, arg1);
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uInstr2(cb, MOV, 4, Literal, 0, TempReg, t2);
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uLiteral(cb, arg2);
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uInstr2(cb, CCALL, 0, TempReg, t1, TempReg, t2);
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uCCall(cb, f, 2, regparms_n, 0);
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}
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void VG_(set_global_var)(UCodeBlock* cb, Addr globvar_ptr, UInt val)
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{
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Int t_gv = newTemp(cb);
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Int t_val = newTemp(cb);
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uInstr2(cb, MOV, 4, Literal, 0, TempReg, t_val);
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uLiteral(cb, val);
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uInstr2(cb, MOV, 4, Literal, 0, TempReg, t_gv);
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uLiteral(cb, globvar_ptr);
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uInstr2(cb, STORE, 4, TempReg, t_val, TempReg, t_gv);
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}
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void VG_(set_global_var_tempreg)(UCodeBlock* cb, Addr globvar_ptr, UInt t_val)
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{
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Int t_gv = newTemp(cb);
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uInstr2(cb, MOV, 4, Literal, 0, TempReg, t_gv);
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uLiteral(cb, globvar_ptr);
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uInstr2(cb, STORE, 4, TempReg, t_val, TempReg, t_gv);
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}
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/*--------------------------------------------------------------------*/
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/*--- end vg_instrument.c ---*/
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/*--------------------------------------------------------------------*/
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