| njn | f536bbb | 2005-06-13 04:21:38 +0000 | [diff] [blame^] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
| 3 | /*--- Machine-related stuff. pub_tool_machine.h ---*/ |
| 4 | /*--------------------------------------------------------------------*/ |
| 5 | |
| 6 | /* |
| 7 | This file is part of Valgrind, a dynamic binary instrumentation |
| 8 | framework. |
| 9 | |
| 10 | Copyright (C) 2000-2005 Julian Seward |
| 11 | jseward@acm.org |
| 12 | |
| 13 | This program is free software; you can redistribute it and/or |
| 14 | modify it under the terms of the GNU General Public License as |
| 15 | published by the Free Software Foundation; either version 2 of the |
| 16 | License, or (at your option) any later version. |
| 17 | |
| 18 | This program is distributed in the hope that it will be useful, but |
| 19 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 21 | General Public License for more details. |
| 22 | |
| 23 | You should have received a copy of the GNU General Public License |
| 24 | along with this program; if not, write to the Free Software |
| 25 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 26 | 02111-1307, USA. |
| 27 | |
| 28 | The GNU General Public License is contained in the file COPYING. |
| 29 | */ |
| 30 | |
| 31 | #ifndef __PUB_TOOL_MACHINE |
| 32 | #define __PUB_TOOL_MACHINE |
| 33 | |
| 34 | /* VGA_STACK_REDZONE_SZB: how many bytes below the stack pointer are validly |
| 35 | * addressible? */ |
| 36 | #if defined(VGA_x86) |
| 37 | # define VGA_MIN_INSTR_SZB 1 |
| 38 | # define VGA_MAX_INSTR_SZB 16 |
| 39 | # define VGA_STACK_REDZONE_SZB 0 |
| 40 | #elif defined(VGA_amd64) |
| 41 | # define VGA_MIN_INSTR_SZB 1 |
| 42 | # define VGA_MAX_INSTR_SZB 16 |
| 43 | # define VGA_STACK_REDZONE_SZB 128 |
| 44 | #elif defined(VGA_arm) |
| 45 | # define VGA_MIN_INSTR_SZB 4 |
| 46 | # define VGA_MAX_INSTR_SZB 4 |
| 47 | # define VGA_STACK_REDZONE_SZB 0 |
| 48 | #else |
| 49 | # error Unknown arch |
| 50 | #endif |
| 51 | |
| 52 | // Guest state accessors |
| 53 | extern Addr VG_(get_SP) ( ThreadId tid ); |
| 54 | extern Addr VG_(get_IP) ( ThreadId tid ); |
| 55 | extern Addr VG_(get_FP) ( ThreadId tid ); |
| 56 | |
| 57 | extern void VG_(set_SP) ( ThreadId tid, Addr sp ); |
| 58 | extern void VG_(set_IP) ( ThreadId tid, Addr ip ); |
| 59 | |
| 60 | // For get/set, 'area' is where the asked-for shadow state will be copied |
| 61 | // into/from. |
| 62 | extern void VG_(get_shadow_regs_area) ( ThreadId tid, OffT guest_state_offset, |
| 63 | SizeT size, UChar* area ); |
| 64 | extern void VG_(set_shadow_regs_area) ( ThreadId tid, OffT guest_state_offset, |
| 65 | SizeT size, const UChar* area ); |
| 66 | |
| 67 | #endif // __PUB_TOOL_MACHINE |
| 68 | |
| 69 | /*--------------------------------------------------------------------*/ |
| 70 | /*--- end ---*/ |
| 71 | /*--------------------------------------------------------------------*/ |