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/*--------------------------------------------------------------------*/
/*--- Machine-related stuff. pub_tool_machine.h ---*/
/*--------------------------------------------------------------------*/
/*
This file is part of Valgrind, a dynamic binary instrumentation
framework.
Copyright (C) 2000-2005 Julian Seward
jseward@acm.org
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.
*/
#ifndef __PUB_TOOL_MACHINE_H
#define __PUB_TOOL_MACHINE_H
#if defined(VGA_x86)
# define VG_MIN_INSTR_SZB 1 // min length of native instruction
# define VG_MAX_INSTR_SZB 16 // max length of native instruction
# define VG_CLREQ_SZB 18 // length of a client request, may
// be larger than VG_MAX_INSTR_SZB
# define VG_STACK_REDZONE_SZB 0 // number of addressable bytes below SP
#elif defined(VGA_amd64)
# define VG_MIN_INSTR_SZB 1
# define VG_MAX_INSTR_SZB 16
# define VG_CLREQ_SZB 18
# define VG_STACK_REDZONE_SZB 128
#elif defined(VGA_ppc32)
# define VG_MIN_INSTR_SZB 4
# define VG_MAX_INSTR_SZB 4
# define VG_CLREQ_SZB 24
# define VG_STACK_REDZONE_SZB 0
#else
# error Unknown arch
#endif
// Guest state accessors
extern Addr VG_(get_SP) ( ThreadId tid );
extern Addr VG_(get_IP) ( ThreadId tid );
extern Addr VG_(get_FP) ( ThreadId tid );
extern Addr VG_(get_LR) ( ThreadId tid );
extern void VG_(set_SP) ( ThreadId tid, Addr sp );
extern void VG_(set_IP) ( ThreadId tid, Addr ip );
// For get/set, 'area' is where the asked-for shadow state will be copied
// into/from.
extern void VG_(get_shadow_regs_area) ( ThreadId tid, OffT guest_state_offset,
SizeT size, UChar* area );
extern void VG_(set_shadow_regs_area) ( ThreadId tid, OffT guest_state_offset,
SizeT size, const UChar* area );
// Apply a function 'f' to all the general purpose registers in all the
// current threads.
// This is very Memcheck-specific -- it's used to find the roots when
// doing leak checking.
extern void VG_(apply_to_GP_regs)(void (*f)(UWord val));
// This iterator lets you inspect each live thread's stack bounds. The
// params are all 'out' params. Returns False at the end.
extern void VG_(thread_stack_reset_iter) ( void );
extern Bool VG_(thread_stack_next) ( ThreadId* tid, Addr* stack_min,
Addr* stack_max );
#endif // __PUB_TOOL_MACHINE_H
/*--------------------------------------------------------------------*/
/*--- end ---*/
/*--------------------------------------------------------------------*/