Home | History | Annotate | Download | only in priv
      1 
      2 /*---------------------------------------------------------------*/
      3 /*--- begin                                 host_amd64_defs.h ---*/
      4 /*---------------------------------------------------------------*/
      5 
      6 /*
      7    This file is part of Valgrind, a dynamic binary instrumentation
      8    framework.
      9 
     10    Copyright (C) 2004-2013 OpenWorks LLP
     11       info (at) open-works.net
     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., 51 Franklin Street, Fifth Floor, Boston, MA
     26    02110-1301, USA.
     27 
     28    The GNU General Public License is contained in the file COPYING.
     29 
     30    Neither the names of the U.S. Department of Energy nor the
     31    University of California nor the names of its contributors may be
     32    used to endorse or promote products derived from this software
     33    without prior written permission.
     34 */
     35 
     36 #ifndef __VEX_HOST_AMD64_DEFS_H
     37 #define __VEX_HOST_AMD64_DEFS_H
     38 
     39 #include "libvex_basictypes.h"
     40 #include "libvex.h"                      // VexArch
     41 #include "host_generic_regs.h"           // HReg
     42 
     43 /* --------- Registers. --------- */
     44 
     45 /* The usual HReg abstraction.  There are 16 real int regs, 6 real
     46    float regs, and 16 real vector regs.
     47 */
     48 
     49 #define ST_IN static inline
     50 ST_IN HReg hregAMD64_RSI   ( void ) { return mkHReg(False, HRcInt64,   6,  0); }
     51 ST_IN HReg hregAMD64_RDI   ( void ) { return mkHReg(False, HRcInt64,   7,  1); }
     52 ST_IN HReg hregAMD64_R8    ( void ) { return mkHReg(False, HRcInt64,   8,  2); }
     53 ST_IN HReg hregAMD64_R9    ( void ) { return mkHReg(False, HRcInt64,   9,  3); }
     54 ST_IN HReg hregAMD64_R12   ( void ) { return mkHReg(False, HRcInt64,  12,  4); }
     55 ST_IN HReg hregAMD64_R13   ( void ) { return mkHReg(False, HRcInt64,  13,  5); }
     56 ST_IN HReg hregAMD64_R14   ( void ) { return mkHReg(False, HRcInt64,  14,  6); }
     57 ST_IN HReg hregAMD64_R15   ( void ) { return mkHReg(False, HRcInt64,  15,  7); }
     58 ST_IN HReg hregAMD64_RBX   ( void ) { return mkHReg(False, HRcInt64,   3,  8); }
     59 
     60 ST_IN HReg hregAMD64_XMM3  ( void ) { return mkHReg(False, HRcVec128,  3,  9); }
     61 ST_IN HReg hregAMD64_XMM4  ( void ) { return mkHReg(False, HRcVec128,  4, 10); }
     62 ST_IN HReg hregAMD64_XMM5  ( void ) { return mkHReg(False, HRcVec128,  5, 11); }
     63 ST_IN HReg hregAMD64_XMM6  ( void ) { return mkHReg(False, HRcVec128,  6, 12); }
     64 ST_IN HReg hregAMD64_XMM7  ( void ) { return mkHReg(False, HRcVec128,  7, 13); }
     65 ST_IN HReg hregAMD64_XMM8  ( void ) { return mkHReg(False, HRcVec128,  8, 14); }
     66 ST_IN HReg hregAMD64_XMM9  ( void ) { return mkHReg(False, HRcVec128,  9, 15); }
     67 ST_IN HReg hregAMD64_XMM10 ( void ) { return mkHReg(False, HRcVec128, 10, 16); }
     68 ST_IN HReg hregAMD64_XMM11 ( void ) { return mkHReg(False, HRcVec128, 11, 17); }
     69 ST_IN HReg hregAMD64_XMM12 ( void ) { return mkHReg(False, HRcVec128, 12, 18); }
     70 
     71 ST_IN HReg hregAMD64_R10   ( void ) { return mkHReg(False, HRcInt64,  10, 19); }
     72 
     73 ST_IN HReg hregAMD64_RAX   ( void ) { return mkHReg(False, HRcInt64,   0, 20); }
     74 ST_IN HReg hregAMD64_RCX   ( void ) { return mkHReg(False, HRcInt64,   1, 21); }
     75 ST_IN HReg hregAMD64_RDX   ( void ) { return mkHReg(False, HRcInt64,   2, 22); }
     76 ST_IN HReg hregAMD64_RSP   ( void ) { return mkHReg(False, HRcInt64,   4, 23); }
     77 ST_IN HReg hregAMD64_RBP   ( void ) { return mkHReg(False, HRcInt64,   5, 24); }
     78 ST_IN HReg hregAMD64_R11   ( void ) { return mkHReg(False, HRcInt64,  11, 25); }
     79 
     80 ST_IN HReg hregAMD64_XMM0  ( void ) { return mkHReg(False, HRcVec128,  0, 26); }
     81 ST_IN HReg hregAMD64_XMM1  ( void ) { return mkHReg(False, HRcVec128,  1, 27); }
     82 #undef ST_IN
     83 
     84 extern void ppHRegAMD64 ( HReg );
     85 
     86 
     87 /* --------- Condition codes, AMD encoding. --------- */
     88 
     89 typedef
     90    enum {
     91       Acc_O      = 0,  /* overflow           */
     92       Acc_NO     = 1,  /* no overflow        */
     93 
     94       Acc_B      = 2,  /* below              */
     95       Acc_NB     = 3,  /* not below          */
     96 
     97       Acc_Z      = 4,  /* zero               */
     98       Acc_NZ     = 5,  /* not zero           */
     99 
    100       Acc_BE     = 6,  /* below or equal     */
    101       Acc_NBE    = 7,  /* not below or equal */
    102 
    103       Acc_S      = 8,  /* negative           */
    104       Acc_NS     = 9,  /* not negative       */
    105 
    106       Acc_P      = 10, /* parity even        */
    107       Acc_NP     = 11, /* not parity even    */
    108 
    109       Acc_L      = 12, /* jump less          */
    110       Acc_NL     = 13, /* not less           */
    111 
    112       Acc_LE     = 14, /* less or equal      */
    113       Acc_NLE    = 15, /* not less or equal  */
    114 
    115       Acc_ALWAYS = 16  /* the usual hack     */
    116    }
    117    AMD64CondCode;
    118 
    119 extern const HChar* showAMD64CondCode ( AMD64CondCode );
    120 
    121 
    122 /* --------- Memory address expressions (amodes). --------- */
    123 
    124 typedef
    125    enum {
    126      Aam_IR,        /* Immediate + Reg */
    127      Aam_IRRS       /* Immediate + Reg1 + (Reg2 << Shift) */
    128    }
    129    AMD64AModeTag;
    130 
    131 typedef
    132    struct {
    133       AMD64AModeTag tag;
    134       union {
    135          struct {
    136             UInt imm;
    137             HReg reg;
    138          } IR;
    139          struct {
    140             UInt imm;
    141             HReg base;
    142             HReg index;
    143             Int  shift; /* 0, 1, 2 or 3 only */
    144          } IRRS;
    145       } Aam;
    146    }
    147    AMD64AMode;
    148 
    149 extern AMD64AMode* AMD64AMode_IR   ( UInt, HReg );
    150 extern AMD64AMode* AMD64AMode_IRRS ( UInt, HReg, HReg, Int );
    151 
    152 extern AMD64AMode* dopyAMD64AMode ( AMD64AMode* );
    153 
    154 extern void ppAMD64AMode ( AMD64AMode* );
    155 
    156 
    157 /* --------- Operand, which can be reg, immediate or memory. --------- */
    158 
    159 typedef
    160    enum {
    161       Armi_Imm,
    162       Armi_Reg,
    163       Armi_Mem
    164    }
    165    AMD64RMITag;
    166 
    167 typedef
    168    struct {
    169       AMD64RMITag tag;
    170       union {
    171          struct {
    172             UInt imm32;
    173          } Imm;
    174          struct {
    175             HReg reg;
    176          } Reg;
    177          struct {
    178             AMD64AMode* am;
    179          } Mem;
    180       }
    181       Armi;
    182    }
    183    AMD64RMI;
    184 
    185 extern AMD64RMI* AMD64RMI_Imm ( UInt );
    186 extern AMD64RMI* AMD64RMI_Reg ( HReg );
    187 extern AMD64RMI* AMD64RMI_Mem ( AMD64AMode* );
    188 
    189 extern void ppAMD64RMI      ( AMD64RMI* );
    190 extern void ppAMD64RMI_lo32 ( AMD64RMI* );
    191 
    192 
    193 /* --------- Operand, which can be reg or immediate only. --------- */
    194 
    195 typedef
    196    enum {
    197       Ari_Imm,
    198       Ari_Reg
    199    }
    200    AMD64RITag;
    201 
    202 typedef
    203    struct {
    204       AMD64RITag tag;
    205       union {
    206          struct {
    207             UInt imm32;
    208          } Imm;
    209          struct {
    210             HReg reg;
    211          } Reg;
    212       }
    213       Ari;
    214    }
    215    AMD64RI;
    216 
    217 extern AMD64RI* AMD64RI_Imm ( UInt );
    218 extern AMD64RI* AMD64RI_Reg ( HReg );
    219 
    220 extern void ppAMD64RI ( AMD64RI* );
    221 
    222 
    223 /* --------- Operand, which can be reg or memory only. --------- */
    224 
    225 typedef
    226    enum {
    227       Arm_Reg,
    228       Arm_Mem
    229    }
    230    AMD64RMTag;
    231 
    232 typedef
    233    struct {
    234       AMD64RMTag tag;
    235       union {
    236          struct {
    237             HReg reg;
    238          } Reg;
    239          struct {
    240             AMD64AMode* am;
    241          } Mem;
    242       }
    243       Arm;
    244    }
    245    AMD64RM;
    246 
    247 extern AMD64RM* AMD64RM_Reg ( HReg );
    248 extern AMD64RM* AMD64RM_Mem ( AMD64AMode* );
    249 
    250 extern void ppAMD64RM ( AMD64RM* );
    251 
    252 
    253 /* --------- Instructions. --------- */
    254 
    255 /* --------- */
    256 typedef
    257    enum {
    258       Aun_NEG,
    259       Aun_NOT
    260    }
    261    AMD64UnaryOp;
    262 
    263 extern const HChar* showAMD64UnaryOp ( AMD64UnaryOp );
    264 
    265 
    266 /* --------- */
    267 typedef
    268    enum {
    269       Aalu_INVALID,
    270       Aalu_MOV,
    271       Aalu_CMP,
    272       Aalu_ADD, Aalu_SUB, Aalu_ADC, Aalu_SBB,
    273       Aalu_AND, Aalu_OR, Aalu_XOR,
    274       Aalu_MUL
    275    }
    276    AMD64AluOp;
    277 
    278 extern const HChar* showAMD64AluOp ( AMD64AluOp );
    279 
    280 
    281 /* --------- */
    282 typedef
    283    enum {
    284       Ash_INVALID,
    285       Ash_SHL, Ash_SHR, Ash_SAR
    286    }
    287    AMD64ShiftOp;
    288 
    289 extern const HChar* showAMD64ShiftOp ( AMD64ShiftOp );
    290 
    291 
    292 /* --------- */
    293 typedef
    294    enum {
    295       Afp_INVALID,
    296       /* Binary */
    297       Afp_SCALE, Afp_ATAN, Afp_YL2X, Afp_YL2XP1, Afp_PREM, Afp_PREM1,
    298       /* Unary */
    299       Afp_SQRT,
    300       Afp_SIN, Afp_COS, Afp_TAN,
    301       Afp_ROUND, Afp_2XM1
    302    }
    303    A87FpOp;
    304 
    305 extern const HChar* showA87FpOp ( A87FpOp );
    306 
    307 
    308 /* --------- */
    309 typedef
    310    enum {
    311       Asse_INVALID,
    312       /* mov */
    313       Asse_MOV,
    314       /* Floating point binary */
    315       Asse_ADDF, Asse_SUBF, Asse_MULF, Asse_DIVF,
    316       Asse_MAXF, Asse_MINF,
    317       Asse_CMPEQF, Asse_CMPLTF, Asse_CMPLEF, Asse_CMPUNF,
    318       /* Floating point unary */
    319       Asse_RCPF, Asse_RSQRTF, Asse_SQRTF,
    320       /* Bitwise */
    321       Asse_AND, Asse_OR, Asse_XOR, Asse_ANDN,
    322       Asse_ADD8, Asse_ADD16, Asse_ADD32, Asse_ADD64,
    323       Asse_QADD8U, Asse_QADD16U,
    324       Asse_QADD8S, Asse_QADD16S,
    325       Asse_SUB8, Asse_SUB16, Asse_SUB32, Asse_SUB64,
    326       Asse_QSUB8U, Asse_QSUB16U,
    327       Asse_QSUB8S, Asse_QSUB16S,
    328       Asse_MUL16,
    329       Asse_MULHI16U,
    330       Asse_MULHI16S,
    331       Asse_AVG8U, Asse_AVG16U,
    332       Asse_MAX16S,
    333       Asse_MAX8U,
    334       Asse_MIN16S,
    335       Asse_MIN8U,
    336       Asse_CMPEQ8, Asse_CMPEQ16, Asse_CMPEQ32,
    337       Asse_CMPGT8S, Asse_CMPGT16S, Asse_CMPGT32S,
    338       Asse_SHL16, Asse_SHL32, Asse_SHL64,
    339       Asse_SHR16, Asse_SHR32, Asse_SHR64,
    340       Asse_SAR16, Asse_SAR32,
    341       Asse_PACKSSD, Asse_PACKSSW, Asse_PACKUSW,
    342       Asse_UNPCKHB, Asse_UNPCKHW, Asse_UNPCKHD, Asse_UNPCKHQ,
    343       Asse_UNPCKLB, Asse_UNPCKLW, Asse_UNPCKLD, Asse_UNPCKLQ
    344    }
    345    AMD64SseOp;
    346 
    347 extern const HChar* showAMD64SseOp ( AMD64SseOp );
    348 
    349 
    350 /* --------- */
    351 typedef
    352    enum {
    353       Ain_Imm64,       /* Generate 64-bit literal to register */
    354       Ain_Alu64R,      /* 64-bit mov/arith/logical, dst=REG */
    355       Ain_Alu64M,      /* 64-bit mov/arith/logical, dst=MEM */
    356       Ain_Sh64,        /* 64-bit shift/rotate, dst=REG or MEM */
    357       Ain_Test64,      /* 64-bit test (AND, set flags, discard result) */
    358       Ain_Unary64,     /* 64-bit not and neg */
    359       Ain_Lea64,       /* 64-bit compute EA into a reg */
    360       Ain_Alu32R,      /* 32-bit add/sub/and/or/xor/cmp, dst=REG (a la Alu64R) */
    361       Ain_MulL,        /* widening multiply */
    362       Ain_Div,         /* div and mod */
    363       Ain_Push,        /* push 64-bit value on stack */
    364       Ain_Call,        /* call to address in register */
    365       Ain_XDirect,     /* direct transfer to GA */
    366       Ain_XIndir,      /* indirect transfer to GA */
    367       Ain_XAssisted,   /* assisted transfer to GA */
    368       Ain_CMov64,      /* conditional move, 64-bit reg-reg only */
    369       Ain_CLoad,       /* cond. load to int reg, 32 bit ZX or 64 bit only */
    370       Ain_CStore,      /* cond. store from int reg, 32 or 64 bit only */
    371       Ain_MovxLQ,      /* reg-reg move, zx-ing/sx-ing top half */
    372       Ain_LoadEX,      /* mov{s,z}{b,w,l}q from mem to reg */
    373       Ain_Store,       /* store 32/16/8 bit value in memory */
    374       Ain_Set64,       /* convert condition code to 64-bit value */
    375       Ain_Bsfr64,      /* 64-bit bsf/bsr */
    376       Ain_MFence,      /* mem fence */
    377       Ain_ACAS,        /* 8/16/32/64-bit lock;cmpxchg */
    378       Ain_DACAS,       /* lock;cmpxchg8b/16b (doubleword ACAS, 2 x
    379                           32-bit or 2 x 64-bit only) */
    380       Ain_A87Free,     /* free up x87 registers */
    381       Ain_A87PushPop,  /* x87 loads/stores */
    382       Ain_A87FpOp,     /* x87 operations */
    383       Ain_A87LdCW,     /* load x87 control word */
    384       Ain_A87StSW,     /* store x87 status word */
    385       Ain_LdMXCSR,     /* load %mxcsr */
    386       Ain_SseUComIS,   /* ucomisd/ucomiss, then get %rflags into int
    387                           register */
    388       Ain_SseSI2SF,    /* scalar 32/64 int to 32/64 float conversion */
    389       Ain_SseSF2SI,    /* scalar 32/64 float to 32/64 int conversion */
    390       Ain_SseSDSS,     /* scalar float32 to/from float64 */
    391       Ain_SseLdSt,     /* SSE load/store 32/64/128 bits, no alignment
    392                           constraints, upper 96/64/0 bits arbitrary */
    393       Ain_SseLdzLO,    /* SSE load low 32/64 bits, zero remainder of reg */
    394       Ain_Sse32Fx4,    /* SSE binary, 32Fx4 */
    395       Ain_Sse32FLo,    /* SSE binary, 32F in lowest lane only */
    396       Ain_Sse64Fx2,    /* SSE binary, 64Fx2 */
    397       Ain_Sse64FLo,    /* SSE binary, 64F in lowest lane only */
    398       Ain_SseReRg,     /* SSE binary general reg-reg, Re, Rg */
    399       Ain_SseCMov,     /* SSE conditional move */
    400       Ain_SseShuf,     /* SSE2 shuffle (pshufd) */
    401       //uu Ain_AvxLdSt,     /* AVX load/store 256 bits,
    402       //uu                     no alignment constraints */
    403       //uu Ain_AvxReRg,     /* AVX binary general reg-reg, Re, Rg */
    404       Ain_EvCheck,     /* Event check */
    405       Ain_ProfInc      /* 64-bit profile counter increment */
    406    }
    407    AMD64InstrTag;
    408 
    409 /* Destinations are on the RIGHT (second operand) */
    410 
    411 typedef
    412    struct {
    413       AMD64InstrTag tag;
    414       union {
    415          struct {
    416             ULong imm64;
    417             HReg  dst;
    418          } Imm64;
    419          struct {
    420             AMD64AluOp op;
    421             AMD64RMI*  src;
    422             HReg       dst;
    423          } Alu64R;
    424          struct {
    425             AMD64AluOp  op;
    426             AMD64RI*    src;
    427             AMD64AMode* dst;
    428          } Alu64M;
    429          struct {
    430             AMD64ShiftOp op;
    431             UInt         src;  /* shift amount, or 0 means %cl */
    432             HReg         dst;
    433          } Sh64;
    434          struct {
    435             UInt   imm32;
    436             HReg   dst;
    437          } Test64;
    438          /* Not and Neg */
    439          struct {
    440             AMD64UnaryOp op;
    441             HReg         dst;
    442          } Unary64;
    443          /* 64-bit compute EA into a reg */
    444          struct {
    445             AMD64AMode* am;
    446             HReg        dst;
    447          } Lea64;
    448          /* 32-bit add/sub/and/or/xor/cmp, dst=REG (a la Alu64R) */
    449          struct {
    450             AMD64AluOp op;
    451             AMD64RMI*  src;
    452             HReg       dst;
    453          } Alu32R;
    454          /* 64 x 64 -> 128 bit widening multiply: RDX:RAX = RAX *s/u
    455             r/m64 */
    456          struct {
    457             Bool     syned;
    458             AMD64RM* src;
    459          } MulL;
    460           /* amd64 div/idiv instruction.  Modifies RDX and RAX and
    461 	     reads src. */
    462          struct {
    463             Bool     syned;
    464             Int      sz; /* 4 or 8 only */
    465             AMD64RM* src;
    466          } Div;
    467          struct {
    468             AMD64RMI* src;
    469          } Push;
    470          /* Pseudo-insn.  Call target (an absolute address), on given
    471             condition (which could be Xcc_ALWAYS). */
    472          struct {
    473             AMD64CondCode cond;
    474             Addr64        target;
    475             Int           regparms; /* 0 .. 6 */
    476             RetLoc        rloc;     /* where the return value will be */
    477          } Call;
    478          /* Update the guest RIP value, then exit requesting to chain
    479             to it.  May be conditional. */
    480          struct {
    481             Addr64        dstGA;    /* next guest address */
    482             AMD64AMode*   amRIP;    /* amode in guest state for RIP */
    483             AMD64CondCode cond;     /* can be Acc_ALWAYS */
    484             Bool          toFastEP; /* chain to the slow or fast point? */
    485          } XDirect;
    486          /* Boring transfer to a guest address not known at JIT time.
    487             Not chainable.  May be conditional. */
    488          struct {
    489             HReg          dstGA;
    490             AMD64AMode*   amRIP;
    491             AMD64CondCode cond; /* can be Acc_ALWAYS */
    492          } XIndir;
    493          /* Assisted transfer to a guest address, most general case.
    494             Not chainable.  May be conditional. */
    495          struct {
    496             HReg          dstGA;
    497             AMD64AMode*   amRIP;
    498             AMD64CondCode cond; /* can be Acc_ALWAYS */
    499             IRJumpKind    jk;
    500          } XAssisted;
    501          /* Mov src to dst on the given condition, which may not
    502             be the bogus Acc_ALWAYS. */
    503          struct {
    504             AMD64CondCode cond;
    505             HReg          src;
    506             HReg          dst;
    507          } CMov64;
    508          /* conditional load to int reg, 32 bit ZX or 64 bit only.
    509             cond may not be Acc_ALWAYS. */
    510          struct {
    511             AMD64CondCode cond;
    512             UChar         szB; /* 4 or 8 only */
    513             AMD64AMode*   addr;
    514             HReg          dst;
    515          } CLoad;
    516          /* cond. store from int reg, 32 or 64 bit only.
    517             cond may not be Acc_ALWAYS. */
    518          struct {
    519             AMD64CondCode cond;
    520             UChar         szB; /* 4 or 8 only */
    521             HReg          src;
    522             AMD64AMode*   addr;
    523          } CStore;
    524          /* reg-reg move, sx-ing/zx-ing top half */
    525          struct {
    526             Bool syned;
    527             HReg src;
    528             HReg dst;
    529          } MovxLQ;
    530          /* Sign/Zero extending loads.  Dst size is always 64 bits. */
    531          struct {
    532             UChar       szSmall; /* only 1, 2 or 4 */
    533             Bool        syned;
    534             AMD64AMode* src;
    535             HReg        dst;
    536          } LoadEX;
    537          /* 32/16/8 bit stores. */
    538          struct {
    539             UChar       sz; /* only 1, 2 or 4 */
    540             HReg        src;
    541             AMD64AMode* dst;
    542          } Store;
    543          /* Convert an amd64 condition code to a 64-bit value (0 or 1). */
    544          struct {
    545             AMD64CondCode cond;
    546             HReg          dst;
    547          } Set64;
    548          /* 64-bit bsf or bsr. */
    549          struct {
    550             Bool isFwds;
    551             HReg src;
    552             HReg dst;
    553          } Bsfr64;
    554          /* Mem fence.  In short, an insn which flushes all preceding
    555             loads and stores as much as possible before continuing.
    556             On AMD64 we emit a real "mfence". */
    557          struct {
    558          } MFence;
    559          struct {
    560             AMD64AMode* addr;
    561             UChar       sz; /* 1, 2, 4 or 8 */
    562          } ACAS;
    563          struct {
    564             AMD64AMode* addr;
    565             UChar       sz; /* 4 or 8 only */
    566          } DACAS;
    567 
    568          /* --- X87 --- */
    569 
    570          /* A very minimal set of x87 insns, that operate exactly in a
    571             stack-like way so no need to think about x87 registers. */
    572 
    573          /* Do 'ffree' on %st(7) .. %st(7-nregs) */
    574          struct {
    575             Int nregs; /* 1 <= nregs <= 7 */
    576          } A87Free;
    577 
    578          /* Push a 32- or 64-bit FP value from memory onto the stack,
    579             or move a value from the stack to memory and remove it
    580             from the stack. */
    581          struct {
    582             AMD64AMode* addr;
    583             Bool        isPush;
    584             UChar       szB; /* 4 or 8 */
    585          } A87PushPop;
    586 
    587          /* Do an operation on the top-of-stack.  This can be unary, in
    588             which case it is %st0 = OP( %st0 ), or binary: %st0 = OP(
    589             %st0, %st1 ). */
    590          struct {
    591             A87FpOp op;
    592          } A87FpOp;
    593 
    594          /* Load the FPU control word. */
    595          struct {
    596             AMD64AMode* addr;
    597          } A87LdCW;
    598 
    599          /* Store the FPU status word (fstsw m16) */
    600          struct {
    601             AMD64AMode* addr;
    602          } A87StSW;
    603 
    604          /* --- SSE --- */
    605 
    606          /* Load 32 bits into %mxcsr. */
    607          struct {
    608             AMD64AMode* addr;
    609          }
    610          LdMXCSR;
    611          /* ucomisd/ucomiss, then get %rflags into int register */
    612          struct {
    613             UChar   sz;   /* 4 or 8 only */
    614             HReg    srcL; /* xmm */
    615             HReg    srcR; /* xmm */
    616             HReg    dst;  /* int */
    617          } SseUComIS;
    618          /* scalar 32/64 int to 32/64 float conversion */
    619          struct {
    620             UChar szS; /* 4 or 8 */
    621             UChar szD; /* 4 or 8 */
    622             HReg  src; /* i class */
    623             HReg  dst; /* v class */
    624          } SseSI2SF;
    625          /* scalar 32/64 float to 32/64 int conversion */
    626          struct {
    627             UChar szS; /* 4 or 8 */
    628             UChar szD; /* 4 or 8 */
    629             HReg  src; /* v class */
    630             HReg  dst; /* i class */
    631          } SseSF2SI;
    632          /* scalar float32 to/from float64 */
    633          struct {
    634             Bool from64; /* True: 64->32; False: 32->64 */
    635             HReg src;
    636             HReg dst;
    637          } SseSDSS;
    638          struct {
    639             Bool        isLoad;
    640             UChar       sz; /* 4, 8 or 16 only */
    641             HReg        reg;
    642             AMD64AMode* addr;
    643          } SseLdSt;
    644          struct {
    645             Int         sz; /* 4 or 8 only */
    646             HReg        reg;
    647             AMD64AMode* addr;
    648          } SseLdzLO;
    649          struct {
    650             AMD64SseOp op;
    651             HReg       src;
    652             HReg       dst;
    653          } Sse32Fx4;
    654          struct {
    655             AMD64SseOp op;
    656             HReg       src;
    657             HReg       dst;
    658          } Sse32FLo;
    659          struct {
    660             AMD64SseOp op;
    661             HReg       src;
    662             HReg       dst;
    663          } Sse64Fx2;
    664          struct {
    665             AMD64SseOp op;
    666             HReg       src;
    667             HReg       dst;
    668          } Sse64FLo;
    669          struct {
    670             AMD64SseOp op;
    671             HReg       src;
    672             HReg       dst;
    673          } SseReRg;
    674          /* Mov src to dst on the given condition, which may not
    675             be the bogus Xcc_ALWAYS. */
    676          struct {
    677             AMD64CondCode cond;
    678             HReg          src;
    679             HReg          dst;
    680          } SseCMov;
    681          struct {
    682             Int    order; /* 0 <= order <= 0xFF */
    683             HReg   src;
    684             HReg   dst;
    685          } SseShuf;
    686          //uu struct {
    687          //uu    Bool        isLoad;
    688          //uu    HReg        reg;
    689          //uu    AMD64AMode* addr;
    690          //uu } AvxLdSt;
    691          //uu struct {
    692          //uu    AMD64SseOp op;
    693          //uu    HReg       src;
    694          //uu    HReg       dst;
    695          //uu } AvxReRg;
    696          struct {
    697             AMD64AMode* amCounter;
    698             AMD64AMode* amFailAddr;
    699          } EvCheck;
    700          struct {
    701             /* No fields.  The address of the counter to inc is
    702                installed later, post-translation, by patching it in,
    703                as it is not known at translation time. */
    704          } ProfInc;
    705 
    706       } Ain;
    707    }
    708    AMD64Instr;
    709 
    710 extern AMD64Instr* AMD64Instr_Imm64      ( ULong imm64, HReg dst );
    711 extern AMD64Instr* AMD64Instr_Alu64R     ( AMD64AluOp, AMD64RMI*, HReg );
    712 extern AMD64Instr* AMD64Instr_Alu64M     ( AMD64AluOp, AMD64RI*,  AMD64AMode* );
    713 extern AMD64Instr* AMD64Instr_Unary64    ( AMD64UnaryOp op, HReg dst );
    714 extern AMD64Instr* AMD64Instr_Lea64      ( AMD64AMode* am, HReg dst );
    715 extern AMD64Instr* AMD64Instr_Alu32R     ( AMD64AluOp, AMD64RMI*, HReg );
    716 extern AMD64Instr* AMD64Instr_Sh64       ( AMD64ShiftOp, UInt, HReg );
    717 extern AMD64Instr* AMD64Instr_Test64     ( UInt imm32, HReg dst );
    718 extern AMD64Instr* AMD64Instr_MulL       ( Bool syned, AMD64RM* );
    719 extern AMD64Instr* AMD64Instr_Div        ( Bool syned, Int sz, AMD64RM* );
    720 extern AMD64Instr* AMD64Instr_Push       ( AMD64RMI* );
    721 extern AMD64Instr* AMD64Instr_Call       ( AMD64CondCode, Addr64, Int, RetLoc );
    722 extern AMD64Instr* AMD64Instr_XDirect    ( Addr64 dstGA, AMD64AMode* amRIP,
    723                                            AMD64CondCode cond, Bool toFastEP );
    724 extern AMD64Instr* AMD64Instr_XIndir     ( HReg dstGA, AMD64AMode* amRIP,
    725                                            AMD64CondCode cond );
    726 extern AMD64Instr* AMD64Instr_XAssisted  ( HReg dstGA, AMD64AMode* amRIP,
    727                                            AMD64CondCode cond, IRJumpKind jk );
    728 extern AMD64Instr* AMD64Instr_CMov64     ( AMD64CondCode, HReg src, HReg dst );
    729 extern AMD64Instr* AMD64Instr_CLoad      ( AMD64CondCode cond, UChar szB,
    730                                            AMD64AMode* addr, HReg dst );
    731 extern AMD64Instr* AMD64Instr_CStore     ( AMD64CondCode cond, UChar szB,
    732                                            HReg src, AMD64AMode* addr );
    733 extern AMD64Instr* AMD64Instr_MovxLQ     ( Bool syned, HReg src, HReg dst );
    734 extern AMD64Instr* AMD64Instr_LoadEX     ( UChar szSmall, Bool syned,
    735                                            AMD64AMode* src, HReg dst );
    736 extern AMD64Instr* AMD64Instr_Store      ( UChar sz, HReg src, AMD64AMode* dst );
    737 extern AMD64Instr* AMD64Instr_Set64      ( AMD64CondCode cond, HReg dst );
    738 extern AMD64Instr* AMD64Instr_Bsfr64     ( Bool isFwds, HReg src, HReg dst );
    739 extern AMD64Instr* AMD64Instr_MFence     ( void );
    740 extern AMD64Instr* AMD64Instr_ACAS       ( AMD64AMode* addr, UChar sz );
    741 extern AMD64Instr* AMD64Instr_DACAS      ( AMD64AMode* addr, UChar sz );
    742 
    743 extern AMD64Instr* AMD64Instr_A87Free    ( Int nregs );
    744 extern AMD64Instr* AMD64Instr_A87PushPop ( AMD64AMode* addr, Bool isPush, UChar szB );
    745 extern AMD64Instr* AMD64Instr_A87FpOp    ( A87FpOp op );
    746 extern AMD64Instr* AMD64Instr_A87LdCW    ( AMD64AMode* addr );
    747 extern AMD64Instr* AMD64Instr_A87StSW    ( AMD64AMode* addr );
    748 extern AMD64Instr* AMD64Instr_LdMXCSR    ( AMD64AMode* );
    749 extern AMD64Instr* AMD64Instr_SseUComIS  ( Int sz, HReg srcL, HReg srcR, HReg dst );
    750 extern AMD64Instr* AMD64Instr_SseSI2SF   ( Int szS, Int szD, HReg src, HReg dst );
    751 extern AMD64Instr* AMD64Instr_SseSF2SI   ( Int szS, Int szD, HReg src, HReg dst );
    752 extern AMD64Instr* AMD64Instr_SseSDSS    ( Bool from64, HReg src, HReg dst );
    753 extern AMD64Instr* AMD64Instr_SseLdSt    ( Bool isLoad, Int sz, HReg, AMD64AMode* );
    754 extern AMD64Instr* AMD64Instr_SseLdzLO   ( Int sz, HReg, AMD64AMode* );
    755 extern AMD64Instr* AMD64Instr_Sse32Fx4   ( AMD64SseOp, HReg, HReg );
    756 extern AMD64Instr* AMD64Instr_Sse32FLo   ( AMD64SseOp, HReg, HReg );
    757 extern AMD64Instr* AMD64Instr_Sse64Fx2   ( AMD64SseOp, HReg, HReg );
    758 extern AMD64Instr* AMD64Instr_Sse64FLo   ( AMD64SseOp, HReg, HReg );
    759 extern AMD64Instr* AMD64Instr_SseReRg    ( AMD64SseOp, HReg, HReg );
    760 extern AMD64Instr* AMD64Instr_SseCMov    ( AMD64CondCode, HReg src, HReg dst );
    761 extern AMD64Instr* AMD64Instr_SseShuf    ( Int order, HReg src, HReg dst );
    762 //uu extern AMD64Instr* AMD64Instr_AvxLdSt    ( Bool isLoad, HReg, AMD64AMode* );
    763 //uu extern AMD64Instr* AMD64Instr_AvxReRg    ( AMD64SseOp, HReg, HReg );
    764 extern AMD64Instr* AMD64Instr_EvCheck    ( AMD64AMode* amCounter,
    765                                            AMD64AMode* amFailAddr );
    766 extern AMD64Instr* AMD64Instr_ProfInc    ( void );
    767 
    768 
    769 extern void ppAMD64Instr ( const AMD64Instr*, Bool );
    770 
    771 /* Some functions that insulate the register allocator from details
    772    of the underlying instruction set. */
    773 extern void getRegUsage_AMD64Instr ( HRegUsage*, const AMD64Instr*, Bool );
    774 extern void mapRegs_AMD64Instr     ( HRegRemap*, AMD64Instr*, Bool );
    775 extern Bool isMove_AMD64Instr      ( const AMD64Instr*, HReg*, HReg* );
    776 extern Int          emit_AMD64Instr   ( /*MB_MOD*/Bool* is_profInc,
    777                                         UChar* buf, Int nbuf,
    778                                         const AMD64Instr* i,
    779                                         Bool mode64,
    780                                         VexEndness endness_host,
    781                                         const void* disp_cp_chain_me_to_slowEP,
    782                                         const void* disp_cp_chain_me_to_fastEP,
    783                                         const void* disp_cp_xindir,
    784                                         const void* disp_cp_xassisted );
    785 
    786 extern void genSpill_AMD64  ( /*OUT*/HInstr** i1, /*OUT*/HInstr** i2,
    787                               HReg rreg, Int offset, Bool );
    788 extern void genReload_AMD64 ( /*OUT*/HInstr** i1, /*OUT*/HInstr** i2,
    789                               HReg rreg, Int offset, Bool );
    790 
    791 extern const RRegUniverse* getRRegUniverse_AMD64 ( void );
    792 
    793 extern HInstrArray* iselSB_AMD64           ( const IRSB*,
    794                                              VexArch,
    795                                              const VexArchInfo*,
    796                                              const VexAbiInfo*,
    797                                              Int offs_Host_EvC_Counter,
    798                                              Int offs_Host_EvC_FailAddr,
    799                                              Bool chainingAllowed,
    800                                              Bool addProfInc,
    801                                              Addr max_ga );
    802 
    803 /* How big is an event check?  This is kind of a kludge because it
    804    depends on the offsets of host_EvC_FAILADDR and host_EvC_COUNTER,
    805    and so assumes that they are both <= 128, and so can use the short
    806    offset encoding.  This is all checked with assertions, so in the
    807    worst case we will merely assert at startup. */
    808 extern Int evCheckSzB_AMD64 (void);
    809 
    810 /* Perform a chaining and unchaining of an XDirect jump. */
    811 extern VexInvalRange chainXDirect_AMD64 ( VexEndness endness_host,
    812                                           void* place_to_chain,
    813                                           const void* disp_cp_chain_me_EXPECTED,
    814                                           const void* place_to_jump_to );
    815 
    816 extern VexInvalRange unchainXDirect_AMD64 ( VexEndness endness_host,
    817                                             void* place_to_unchain,
    818                                             const void* place_to_jump_to_EXPECTED,
    819                                             const void* disp_cp_chain_me );
    820 
    821 /* Patch the counter location into an existing ProfInc point. */
    822 extern VexInvalRange patchProfInc_AMD64 ( VexEndness endness_host,
    823                                           void*  place_to_patch,
    824                                           const ULong* location_of_counter );
    825 
    826 
    827 #endif /* ndef __VEX_HOST_AMD64_DEFS_H */
    828 
    829 /*---------------------------------------------------------------*/
    830 /*--- end                                   host_amd64_defs.h ---*/
    831 /*---------------------------------------------------------------*/
    832