| |
| /*--------------------------------------------------------------------*/ |
| /*--- Higher-level UCode sequence builders ---*/ |
| /*--- vg_instrument.c ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, an extensible x86 protected-mode |
| emulator for monitoring program execution on x86-Unixes. |
| |
| Copyright (C) 2000-2003 Nicholas Nethercote |
| njn25@cam.ac.uk |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License as |
| published by the Free Software Foundation; either version 2 of the |
| License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307, USA. |
| |
| The GNU General Public License is contained in the file COPYING. |
| */ |
| |
| /* We only import vg_skin.h here, because this file only provides functions |
| for doing things that could be done directly by the skin -- it's just to |
| make skins' lives easier, rather than let them do something they |
| couldn't otherwise do. */ |
| #include "vg_skin.h" |
| |
| |
| void VG_(call_helper_0_0)(UCodeBlock* cb, Addr f) |
| { |
| uInstr0(cb, CCALL, 0); |
| uCCall(cb, f, 0, 0, 0); |
| } |
| |
| void VG_(call_helper_1_0)(UCodeBlock* cb, Addr f, UInt arg1, UInt regparms_n) |
| { |
| UInt t1 = newTemp(cb); |
| |
| sk_assert(regparms_n <= 1); |
| uInstr2(cb, MOV, 4, Literal, 0, TempReg, t1); |
| uLiteral(cb, arg1); |
| uInstr1(cb, CCALL, 0, TempReg, t1); |
| uCCall(cb, f, 1, regparms_n, 0); |
| } |
| |
| void VG_(call_helper_2_0)(UCodeBlock* cb, Addr f, UInt arg1, UInt arg2, |
| UInt regparms_n) |
| { |
| UInt t1 = newTemp(cb); |
| UInt t2 = newTemp(cb); |
| |
| sk_assert(regparms_n <= 2); |
| uInstr2(cb, MOV, 4, Literal, 0, TempReg, t1); |
| uLiteral(cb, arg1); |
| uInstr2(cb, MOV, 4, Literal, 0, TempReg, t2); |
| uLiteral(cb, arg2); |
| uInstr2(cb, CCALL, 0, TempReg, t1, TempReg, t2); |
| uCCall(cb, f, 2, regparms_n, 0); |
| } |
| |
| void VG_(set_global_var)(UCodeBlock* cb, Addr globvar_ptr, UInt val) |
| { |
| Int t_gv = newTemp(cb); |
| Int t_val = newTemp(cb); |
| |
| uInstr2(cb, MOV, 4, Literal, 0, TempReg, t_val); |
| uLiteral(cb, val); |
| uInstr2(cb, MOV, 4, Literal, 0, TempReg, t_gv); |
| uLiteral(cb, globvar_ptr); |
| uInstr2(cb, STORE, 4, TempReg, t_val, TempReg, t_gv); |
| } |
| |
| void VG_(set_global_var_tempreg)(UCodeBlock* cb, Addr globvar_ptr, UInt t_val) |
| { |
| Int t_gv = newTemp(cb); |
| |
| uInstr2(cb, MOV, 4, Literal, 0, TempReg, t_gv); |
| uLiteral(cb, globvar_ptr); |
| uInstr2(cb, STORE, 4, TempReg, t_val, TempReg, t_gv); |
| } |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end vg_instrument.c ---*/ |
| /*--------------------------------------------------------------------*/ |
| |