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ftmemsim-valgrind/include/pub_tool_machine.h
Carl Love 914f75de32 This commit is for Bugzilla 334384. The Bugzilla contains patch 1 of 3 
to add PPC64 LE support.  The other two patches can be found in Bugzillas
334834 and 334836.  The commit does not have a VEX commit associated with it.

POWER PC, add initial Little Endian support

The IBM POWER processor now supports both Big Endian and Little Endian.
This patch renames the #defines with the name ppc64 to ppc64be for the BE
specific code.  This patch adds the Little Endian #define ppc64le to the

Additionally, a few functions are renamed to remove BE from the name if the
function is used by BE and LE. Functions that are BE specific have BE put
in the name.

The goals of this patch is to make sure #defines, function names and
variables consistently use PPC64/ppc64 if it refers to BE and LE,
PPC64BE/ppc64be if it is specific to BE, PPC64LE/ppc64le if it is LE
specific.  The patch does not break the code for PPC64 Big Endian.

The test files memcheck/tests/atomic_incs.c, tests/power_insn_available.c
and tests/power_insn_available.c are also updated to the new #define
definition for PPC64 BE.

Signed-off-by: Carl Love <carll@us.ibm.com>


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14238
2014-08-07 23:17:29 +00:00

184 lines
7.4 KiB
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/*--------------------------------------------------------------------*/
/*--- Machine-related stuff. pub_tool_machine.h ---*/
/*--------------------------------------------------------------------*/
/*
This file is part of Valgrind, a dynamic binary instrumentation
framework.
Copyright (C) 2000-2013 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
#include "pub_tool_basics.h" // ThreadID
#include "libvex.h" // VexArchInfo
#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_ppc64be_linux) || defined(VGP_ppc64le_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_arm_linux)
# define VG_MIN_INSTR_SZB 2
# define VG_MAX_INSTR_SZB 4
# define VG_CLREQ_SZB 20
# define VG_STACK_REDZONE_SZB 0
#elif defined(VGP_arm64_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_s390x_linux)
# define VG_MIN_INSTR_SZB 2
# define VG_MAX_INSTR_SZB 6
# define VG_CLREQ_SZB 10
# define VG_STACK_REDZONE_SZB 0 // s390 has no redzone
#elif defined(VGP_x86_darwin)
# 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_darwin)
# 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_mips32_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_mips64_linux)
# define VG_MIN_INSTR_SZB 4
# define VG_MAX_INSTR_SZB 4
# define VG_CLREQ_SZB 20
# define VG_STACK_REDZONE_SZB 0
#else
# error Unknown platform
#endif
// Guest state accessors
// Are mostly in the core_ header.
// Only these two are available to tools.
Addr VG_(get_IP) ( ThreadId tid );
Addr VG_(get_SP) ( ThreadId tid );
// For get/set, 'area' is where the asked-for guest state will be copied
// into/from. If shadowNo == 0, the real (non-shadow) guest state is
// accessed. If shadowNo == 1, the first shadow area is accessed, and
// if shadowNo == 2, the second shadow area is accessed. This gives a
// completely general way to read/modify a thread's guest register state
// providing you know the offsets you need.
void
VG_(get_shadow_regs_area) ( ThreadId tid,
/*DST*/UChar* dst,
/*SRC*/Int shadowNo, PtrdiffT offset, SizeT size );
void
VG_(set_shadow_regs_area) ( ThreadId tid,
/*DST*/Int shadowNo, PtrdiffT offset, SizeT size,
/*SRC*/const UChar* src );
// Apply a function 'f' to all the general purpose registers in all the
// current threads. This is all live threads, or (when the process is exiting)
// all threads that were instructed to die by the thread calling exit.
// 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)(ThreadId tid,
const HChar* regname, UWord val));
// This iterator lets you inspect each live thread's stack bounds.
// Returns False at the end. 'tid' is the iterator and you can only
// safely change it by making calls to these functions.
extern void VG_(thread_stack_reset_iter) ( /*OUT*/ThreadId* tid );
extern Bool VG_(thread_stack_next) ( /*MOD*/ThreadId* tid,
/*OUT*/Addr* stack_min,
/*OUT*/Addr* stack_max );
// Returns .client_stack_highest_word for the given thread
extern Addr VG_(thread_get_stack_max) ( ThreadId tid );
// Returns how many bytes have been allocated for the stack of the given thread
extern SizeT VG_(thread_get_stack_size) ( ThreadId tid );
// Returns the bottommost address of the alternate signal stack.
// See also the man page of sigaltstack().
extern Addr VG_(thread_get_altstack_min) ( ThreadId tid );
// Returns how many bytes have been allocated for the alternate signal stack.
// See also the man page of sigaltstack().
extern SizeT VG_(thread_get_altstack_size) ( ThreadId tid );
// 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* );
/* Returns the size of the largest guest register that we will
simulate in this run. This depends on both the guest architecture
and on the specific capabilities we are simulating for that guest
(eg, AVX or non-AVX ?, for amd64). */
extern Int VG_(machine_get_size_of_largest_guest_register) ( void );
/* Return host cpu info. */
extern void VG_(machine_get_VexArchInfo)( /*OUT*/VexArch*,
/*OUT*/VexArchInfo* );
#endif // __PUB_TOOL_MACHINE_H
/*--------------------------------------------------------------------*/
/*--- end ---*/
/*--------------------------------------------------------------------*/
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