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/*---------------------------------------------------------------*/
/*--- ---*/
/*--- This file (libvex_guest_ppc64.h) is ---*/
/*--- Copyright (C) OpenWorks LLP. All rights reserved. ---*/
/*--- ---*/
/*---------------------------------------------------------------*/
/*
This file is part of LibVEX, a library for dynamic binary
instrumentation and translation.
Copyright (C) 2004-2006 OpenWorks LLP. All rights reserved.
This library is made available under a dual licensing scheme.
If you link LibVEX against other code all of which is itself
licensed under the GNU General Public License, version 2 dated June
1991 ("GPL v2"), then you may use LibVEX under the terms of the GPL
v2, as appearing in the file LICENSE.GPL. If the file LICENSE.GPL
is missing, you can obtain a copy of the GPL v2 from the Free
Software Foundation Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301, USA.
For any other uses of LibVEX, you must first obtain a commercial
license from OpenWorks LLP. Please contact info@open-works.co.uk
for information about commercial licensing.
This software is provided by OpenWorks LLP "as is" and any express
or implied warranties, including, but not limited to, the implied
warranties of merchantability and fitness for a particular purpose
are disclaimed. In no event shall OpenWorks LLP be liable for any
direct, indirect, incidental, special, exemplary, or consequential
damages (including, but not limited to, procurement of substitute
goods or services; loss of use, data, or profits; or business
interruption) however caused and on any theory of liability,
whether in contract, strict liability, or tort (including
negligence or otherwise) arising in any way out of the use of this
software, even if advised of the possibility of such damage.
Neither the names of the U.S. Department of Energy nor the
University of California nor the names of its contributors may be
used to endorse or promote products derived from this software
without prior written permission.
*/
#ifndef __LIBVEX_PUB_GUEST_PPC64_H
#define __LIBVEX_PUB_GUEST_PPC64_H
#include "libvex_basictypes.h"
#include "libvex_emwarn.h"
/*
volatile == caller-saved (not preserved across function calls)
non-volatile == callee-saved (preserved across function calls)
r0 Volatile register used in function prologs
r1 Stack frame pointer
r2 TOC pointer
r3 Volatile parameter and return value register
r4-r10 Volatile registers used for function parameters
r11 Volatile register used in calls by pointer and as an
environment pointer for languages which require one
r12 Volatile register used for exception handling and glink code
r13 Reserved for use as system thread ID
r14-r31 Nonvolatile registers used for local variables
f0 Volatile scratch register
f1-f4 Volatile floating point parameter and return value registers
f5-f13 Volatile floating point parameter registers
f14-f31 Nonvolatile registers
LR Link register (volatile)
CTR Loop counter register (volatile)
XER Fixed point exception register (volatile)
FPSCR Floating point status and control register (volatile)
CR0-CR1 Volatile condition code register fields
CR2-CR4 Nonvolatile condition code register fields
CR5-CR7 Volatile condition code register fields
On processors with the VMX feature.
v0-v1 Volatile scratch registers
v2-v13 Volatile vector parameters registers
v14-v19 Volatile scratch registers
v20-v31 Non-volatile registers
vrsave Non-volatile 32-bit register
*/
/*---------------------------------------------------------------*/
/*--- Vex's representation of the PPC64 CPU state ---*/
/*---------------------------------------------------------------*/
#define VEX_GUEST_PPC64_REDIR_STACK_SIZE (16/*entries*/ * 2/*words per entry*/)
typedef
struct {
/* General Purpose Registers */
/* 0 */ ULong guest_GPR0;
/* 8 */ ULong guest_GPR1;
/* 16 */ ULong guest_GPR2;
/* 24 */ ULong guest_GPR3;
/* 32 */ ULong guest_GPR4;
/* 40 */ ULong guest_GPR5;
/* 48 */ ULong guest_GPR6;
/* 56 */ ULong guest_GPR7;
/* 64 */ ULong guest_GPR8;
/* 72 */ ULong guest_GPR9;
/* 80 */ ULong guest_GPR10;
/* 88 */ ULong guest_GPR11;
/* 96 */ ULong guest_GPR12;
/* 104 */ ULong guest_GPR13;
/* 112 */ ULong guest_GPR14;
/* 120 */ ULong guest_GPR15;
/* 128 */ ULong guest_GPR16;
/* 136 */ ULong guest_GPR17;
/* 144 */ ULong guest_GPR18;
/* 152 */ ULong guest_GPR19;
/* 160 */ ULong guest_GPR20;
/* 168 */ ULong guest_GPR21;
/* 176 */ ULong guest_GPR22;
/* 184 */ ULong guest_GPR23;
/* 192 */ ULong guest_GPR24;
/* 200 */ ULong guest_GPR25;
/* 208 */ ULong guest_GPR26;
/* 216 */ ULong guest_GPR27;
/* 224 */ ULong guest_GPR28;
/* 232 */ ULong guest_GPR29;
/* 240 */ ULong guest_GPR30;
/* 248 */ ULong guest_GPR31;
// Floating Point Registers
/* 256 */ ULong guest_FPR0;
/* 264 */ ULong guest_FPR1;
/* 272 */ ULong guest_FPR2;
/* 280 */ ULong guest_FPR3;
/* 288 */ ULong guest_FPR4;
/* 296 */ ULong guest_FPR5;
/* 304 */ ULong guest_FPR6;
/* 312 */ ULong guest_FPR7;
/* 320 */ ULong guest_FPR8;
/* 328 */ ULong guest_FPR9;
/* 336 */ ULong guest_FPR10;
/* 344 */ ULong guest_FPR11;
/* 352 */ ULong guest_FPR12;
/* 360 */ ULong guest_FPR13;
/* 368 */ ULong guest_FPR14;
/* 376 */ ULong guest_FPR15;
/* 384 */ ULong guest_FPR16;
/* 392 */ ULong guest_FPR17;
/* 400 */ ULong guest_FPR18;
/* 408 */ ULong guest_FPR19;
/* 416 */ ULong guest_FPR20;
/* 424 */ ULong guest_FPR21;
/* 432 */ ULong guest_FPR22;
/* 440 */ ULong guest_FPR23;
/* 448 */ ULong guest_FPR24;
/* 456 */ ULong guest_FPR25;
/* 464 */ ULong guest_FPR26;
/* 472 */ ULong guest_FPR27;
/* 480 */ ULong guest_FPR28;
/* 488 */ ULong guest_FPR29;
/* 496 */ ULong guest_FPR30;
/* 504 */ ULong guest_FPR31;
// Vector Registers
/* 512 */ U128 guest_VR0 __attribute__ ((aligned (16)));
/* 528 */ U128 guest_VR1 __attribute__ ((aligned (16)));
/* 544 */ U128 guest_VR2 __attribute__ ((aligned (16)));
/* 560 */ U128 guest_VR3 __attribute__ ((aligned (16)));
/* 576 */ U128 guest_VR4 __attribute__ ((aligned (16)));
/* 592 */ U128 guest_VR5 __attribute__ ((aligned (16)));
/* 608 */ U128 guest_VR6 __attribute__ ((aligned (16)));
/* 624 */ U128 guest_VR7 __attribute__ ((aligned (16)));
/* 640 */ U128 guest_VR8 __attribute__ ((aligned (16)));
/* 656 */ U128 guest_VR9 __attribute__ ((aligned (16)));
/* 672 */ U128 guest_VR10 __attribute__ ((aligned (16)));
/* 688 */ U128 guest_VR11 __attribute__ ((aligned (16)));
/* 704 */ U128 guest_VR12 __attribute__ ((aligned (16)));
/* 720 */ U128 guest_VR13 __attribute__ ((aligned (16)));
/* 736 */ U128 guest_VR14 __attribute__ ((aligned (16)));
/* 752 */ U128 guest_VR15 __attribute__ ((aligned (16)));
/* 768 */ U128 guest_VR16 __attribute__ ((aligned (16)));
/* 784 */ U128 guest_VR17 __attribute__ ((aligned (16)));
/* 800 */ U128 guest_VR18 __attribute__ ((aligned (16)));
/* 816 */ U128 guest_VR19 __attribute__ ((aligned (16)));
/* 832 */ U128 guest_VR20 __attribute__ ((aligned (16)));
/* 848 */ U128 guest_VR21 __attribute__ ((aligned (16)));
/* 864 */ U128 guest_VR22 __attribute__ ((aligned (16)));
/* 880 */ U128 guest_VR23 __attribute__ ((aligned (16)));
/* 896 */ U128 guest_VR24 __attribute__ ((aligned (16)));
/* 912 */ U128 guest_VR25 __attribute__ ((aligned (16)));
/* 928 */ U128 guest_VR26 __attribute__ ((aligned (16)));
/* 944 */ U128 guest_VR27 __attribute__ ((aligned (16)));
/* 960 */ U128 guest_VR28 __attribute__ ((aligned (16)));
/* 976 */ U128 guest_VR29 __attribute__ ((aligned (16)));
/* 992 */ U128 guest_VR30 __attribute__ ((aligned (16)));
/* 1008 */ U128 guest_VR31 __attribute__ ((aligned (16)));
/* 1024 */ ULong guest_CIA; // IP (no arch visible register)
/* 1032 */ ULong guest_LR; // Link Register
/* 1040 */ ULong guest_CTR; // Count Register
/* XER pieces */
/* 1048 */ UChar guest_XER_SO; /* in lsb */
/* 1049 */ UChar guest_XER_OV; /* in lsb */
/* 1050 */ UChar guest_XER_CA; /* in lsb */
/* 1051 */ UChar guest_XER_BC; /* all bits */
/* CR pieces */
/* 1052 */ UChar guest_CR0_321; /* in [3:1] */
/* 1053 */ UChar guest_CR0_0; /* in lsb */
/* 1054 */ UChar guest_CR1_321; /* in [3:1] */
/* 1055 */ UChar guest_CR1_0; /* in lsb */
/* 1056 */ UChar guest_CR2_321; /* in [3:1] */
/* 1057 */ UChar guest_CR2_0; /* in lsb */
/* 1058 */ UChar guest_CR3_321; /* in [3:1] */
/* 1059 */ UChar guest_CR3_0; /* in lsb */
/* 1060 */ UChar guest_CR4_321; /* in [3:1] */
/* 1061 */ UChar guest_CR4_0; /* in lsb */
/* 1062 */ UChar guest_CR5_321; /* in [3:1] */
/* 1063 */ UChar guest_CR5_0; /* in lsb */
/* 1064 */ UChar guest_CR6_321; /* in [3:1] */
/* 1065 */ UChar guest_CR6_0; /* in lsb */
/* 1066 */ UChar guest_CR7_321; /* in [3:1] */
/* 1067 */ UChar guest_CR7_0; /* in lsb */
/* FP Status & Control Register fields */
/* 1068 */ UInt guest_FPROUND; // FP Rounding Mode
/* Vector Save/Restore Register */
/* 1072 */ UInt guest_VRSAVE;
/* Vector Status and Control Register */
/* 1076 */ UInt guest_VSCR;
/* Emulation warnings */
/* 1080 */ UInt guest_EMWARN;
/* gcc adds 4 bytes padding here: pre-empt it. */
/* 1084 */ UInt padding;
/* For icbi: record start and length of area to invalidate */
/* 1088 */ ULong guest_TISTART;
/* 1096 */ ULong guest_TILEN;
/* For lwarx/stwcx.: 0 == no reservation exists, non-0 == a
reservation exists. */
/* 1104 */ ULong guest_RESVN;
/* Used to record the unredirected guest address at the start of
a translation whose start has been redirected. By reading
this pseudo-register shortly afterwards, the translation can
find out what the corresponding no-redirection address was.
Note, this is only set for wrap-style redirects, not for
replace-style ones. */
/* 1112 */ ULong guest_NRADDR;
/* 1120 */ ULong guest_NRADDR_GPR2;
/* A grows-upwards stack for hidden saves/restores of LR and R2
needed for function interception and wrapping on ppc64-linux.
A horrible hack. REDIR_SP points to the highest live entry,
and so starts at -1. */
/* 1128 */ ULong guest_REDIR_SP;
/* 1136 */ ULong guest_REDIR_STACK[VEX_GUEST_PPC64_REDIR_STACK_SIZE];
/* Padding to make it have an 8-aligned size */
/* UInt padding; */
}
VexGuestPPC64State;
/*---------------------------------------------------------------*/
/*--- Utility functions for PPC64 guest stuff. ---*/
/*---------------------------------------------------------------*/
/* ALL THE FOLLOWING ARE VISIBLE TO LIBRARY CLIENT */
/* Initialise all guest PPC64 state. */
extern
void LibVEX_GuestPPC64_initialise ( /*OUT*/VexGuestPPC64State* vex_state );
/* Write the given native %CR value to the supplied VexGuestPPC64State
structure. Note, %CR is 32-bits even for ppc64. */
extern
void LibVEX_GuestPPC64_put_CR ( UInt cr_native,
/*OUT*/VexGuestPPC64State* vex_state );
/* Extract from the supplied VexGuestPPC64State structure the
corresponding native %CR value. Note, %CR is 32-bits even for
ppc64. */
extern
UInt LibVEX_GuestPPC64_get_CR ( /*IN*/VexGuestPPC64State* vex_state );
/* Write the given native %XER value to the supplied
VexGuestPPC64State structure. Note, %XER is 32-bits even for
ppc64. */
extern
void LibVEX_GuestPPC64_put_XER ( UInt xer_native,
/*OUT*/VexGuestPPC64State* vex_state );
/* Extract from the supplied VexGuestPPC64State structure the
corresponding native %XER value. Note, %CR is 32-bits even for
ppc64. */
extern
UInt LibVEX_GuestPPC64_get_XER ( /*IN*/VexGuestPPC64State* vex_state );
#endif /* ndef __LIBVEX_PUB_GUEST_PPC64_H */
/*---------------------------------------------------------------*/
/*--- libvex_guest_ppc64.h ---*/
/*---------------------------------------------------------------*/