| |
| /*--------------------------------------------------------------------*/ |
| /*--- Machine-related stuff. pub_tool_machine.h ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, a dynamic binary instrumentation |
| framework. |
| |
| Copyright (C) 2000-2007 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(VGP_x86_linux) |
| # 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 14 // length of a client request, may |
| // be larger than VG_MAX_INSTR_SZB |
| # define VG_STACK_REDZONE_SZB 0 // number of addressable bytes below %RSP |
| #elif defined(VGP_amd64_linux) |
| # define VG_MIN_INSTR_SZB 1 |
| # define VG_MAX_INSTR_SZB 16 |
| # define VG_CLREQ_SZB 19 |
| # define VG_STACK_REDZONE_SZB 128 |
| #elif defined(VGP_ppc32_linux) |
| # define VG_MIN_INSTR_SZB 4 |
| # define VG_MAX_INSTR_SZB 4 |
| # define VG_CLREQ_SZB 20 |
| # define VG_STACK_REDZONE_SZB 0 |
| #elif defined(VGP_ppc64_linux) |
| # define VG_MIN_INSTR_SZB 4 |
| # define VG_MAX_INSTR_SZB 4 |
| # define VG_CLREQ_SZB 20 |
| # define VG_STACK_REDZONE_SZB 288 // number of addressable bytes below R1 |
| // from 64-bit PowerPC ELF ABI Supplement 1.7 |
| #elif defined(VGP_ppc32_aix5) |
| # define VG_MIN_INSTR_SZB 4 |
| # define VG_MAX_INSTR_SZB 4 |
| # define VG_CLREQ_SZB 20 |
| /* The PowerOpen ABI actually says 220 bytes, but that is not an |
| 8-aligned number, and frequently forces Memcheck's |
| mc_{new,die}_mem_stack_N routines into slow cases by losing |
| 8-alignment of the area to be messed with. So let's just say |
| 224 instead. Gdb has a similar kludge. */ |
| # define VG_STACK_REDZONE_SZB 224 |
| #elif defined(VGP_ppc64_aix5) |
| # define VG_MIN_INSTR_SZB 4 |
| # define VG_MAX_INSTR_SZB 4 |
| # define VG_CLREQ_SZB 20 |
| # define VG_STACK_REDZONE_SZB 288 // is this right? |
| #else |
| # error Unknown platform |
| #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 ); |
| |
| // Given a pointer to a function as obtained by "& functionname" in C, |
| // produce a pointer to the actual entry point for the function. For |
| // most platforms it's the identity function. Unfortunately, on |
| // ppc64-linux it isn't (sigh). |
| extern void* VG_(fnptr_to_fnentry)( void* ); |
| |
| #endif // __PUB_TOOL_MACHINE_H |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end ---*/ |
| /*--------------------------------------------------------------------*/ |