1 2 /*---------------------------------------------------------------*/ 3 /*--- begin guest_mips_defs.h ---*/ 4 /*---------------------------------------------------------------*/ 5 6 /* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2010-2013 RT-RK 11 mips-valgrind@rt-rk.com 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 /* Only to be used within the guest-mips directory. */ 32 33 #ifndef __VEX_GUEST_MIPS_DEFS_H 34 #define __VEX_GUEST_MIPS_DEFS_H 35 36 #include "libvex_basictypes.h" 37 #include "guest_generic_bb_to_IR.h" /* DisResult */ 38 39 /*---------------------------------------------------------*/ 40 /*--- mips to IR conversion ---*/ 41 /*---------------------------------------------------------*/ 42 43 /* Convert one MIPS insn to IR. See the type DisOneInstrFn in bb_to_IR.h. */ 44 extern DisResult disInstr_MIPS ( IRSB* irbb, 45 Bool (*resteerOkFn) (void *, Addr64), 46 Bool resteerCisOk, 47 void* callback_opaque, 48 UChar* guest_code, 49 Long delta, 50 Addr64 guest_IP, 51 VexArch guest_arch, 52 VexArchInfo* archinfo, 53 VexAbiInfo* abiinfo, 54 Bool host_bigendian, 55 Bool sigill_diag ); 56 57 /* Used by the optimiser to specialise calls to helpers. */ 58 extern IRExpr *guest_mips32_spechelper ( const HChar * function_name, 59 IRExpr ** args, 60 IRStmt ** precedingStmts, 61 Int n_precedingStmts ); 62 63 extern IRExpr *guest_mips64_spechelper ( const HChar * function_name, 64 IRExpr ** args, 65 IRStmt ** precedingStmts, 66 Int n_precedingStmts); 67 68 /* Describes to the optimser which part of the guest state require 69 precise memory exceptions. This is logically part of the guest 70 state description. */ 71 extern Bool guest_mips32_state_requires_precise_mem_exns ( Int, Int ); 72 73 extern Bool guest_mips64_state_requires_precise_mem_exns ( Int, Int ); 74 75 extern VexGuestLayout mips32Guest_layout; 76 extern VexGuestLayout mips64Guest_layout; 77 78 /*---------------------------------------------------------*/ 79 /*--- mips guest helpers ---*/ 80 /*---------------------------------------------------------*/ 81 typedef enum { 82 CEILWS=0, CEILWD, CEILLS, CEILLD, 83 FLOORWS, FLOORWD, FLOORLS, FLOORLD, 84 ROUNDWS, ROUNDWD, ROUNDLS, ROUNDLD, 85 TRUNCWS, TRUNCWD, TRUNCLS, TRUNCLD, 86 CVTDS, CVTDW, CVTSD, CVTSW, 87 CVTWS, CVTWD, CVTDL, CVTLS, 88 CVTLD, CVTSL, ADDS, ADDD, 89 SUBS, SUBD, DIVS 90 } flt_op; 91 92 extern UInt mips32_dirtyhelper_mfc0 ( UInt rd, UInt sel ); 93 94 extern ULong mips64_dirtyhelper_dmfc0 ( UInt rd, UInt sel ); 95 96 97 #if defined(__mips__) && ((defined(__mips_isa_rev) && __mips_isa_rev >= 2)) 98 extern UInt mips32_dirtyhelper_rdhwr ( UInt rt, UInt rd ); 99 extern ULong mips64_dirtyhelper_rdhwr ( ULong rt, ULong rd ); 100 #endif 101 102 /* Calculate FCSR in fp32 mode. */ 103 extern UInt mips_dirtyhelper_calculate_FCSR_fp32 ( void* guest_state, UInt fs, 104 UInt ft, flt_op op ); 105 /* Calculate FCSR in fp64 mode. */ 106 extern UInt mips_dirtyhelper_calculate_FCSR_fp64 ( void* guest_state, UInt fs, 107 UInt ft, flt_op op ); 108 109 /*---------------------------------------------------------*/ 110 /*--- Condition code stuff ---*/ 111 /*---------------------------------------------------------*/ 112 113 typedef enum { 114 MIPSCondEQ = 0, /* equal : Z=1 */ 115 MIPSCondNE = 1, /* not equal : Z=0 */ 116 117 MIPSCondHS = 2, /* >=u (higher or same) : C=1 */ 118 MIPSCondLO = 3, /* <u (lower) : C=0 */ 119 120 MIPSCondMI = 4, /* minus (negative) : N=1 */ 121 MIPSCondPL = 5, /* plus (zero or +ve) : N=0 */ 122 123 MIPSCondVS = 6, /* overflow : V=1 */ 124 MIPSCondVC = 7, /* no overflow : V=0 */ 125 126 MIPSCondHI = 8, /* >u (higher) : C=1 && Z=0 */ 127 MIPSCondLS = 9, /* <=u (lower or same) : C=0 || Z=1 */ 128 129 MIPSCondGE = 10, /* >=s (signed greater or equal) : N=V */ 130 MIPSCondLT = 11, /* <s (signed less than) : N!=V */ 131 132 MIPSCondGT = 12, /* >s (signed greater) : Z=0 && N=V */ 133 MIPSCondLE = 13, /* <=s (signed less or equal) : Z=1 || N!=V */ 134 135 MIPSCondAL = 14, /* always (unconditional) : 1 */ 136 MIPSCondNV = 15 /* never (unconditional): : 0 */ 137 } MIPSCondcode; 138 139 #endif /* __VEX_GUEST_MIPS_DEFS_H */ 140 141 /*---------------------------------------------------------------*/ 142 /*--- end guest_mips_defs.h ---*/ 143 /*---------------------------------------------------------------*/ 144