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) 2010-2015 RT-RK 11 mips-valgrind (at) 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 *, Addr), 46 Bool resteerCisOk, 47 void* callback_opaque, 48 const UChar* guest_code, 49 Long delta, 50 Addr guest_IP, 51 VexArch guest_arch, 52 const VexArchInfo* archinfo, 53 const VexAbiInfo* abiinfo, 54 VexEndness host_endness, 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 72 Bool guest_mips32_state_requires_precise_mem_exns ( Int, Int, 73 VexRegisterUpdates ); 74 75 extern 76 Bool guest_mips64_state_requires_precise_mem_exns ( Int, Int, 77 VexRegisterUpdates ); 78 79 extern VexGuestLayout mips32Guest_layout; 80 extern VexGuestLayout mips64Guest_layout; 81 82 /*---------------------------------------------------------*/ 83 /*--- mips guest helpers ---*/ 84 /*---------------------------------------------------------*/ 85 typedef enum { 86 CEILWS=0, CEILWD, CEILLS, CEILLD, 87 FLOORWS, FLOORWD, FLOORLS, FLOORLD, 88 ROUNDWS, ROUNDWD, ROUNDLS, ROUNDLD, 89 TRUNCWS, TRUNCWD, TRUNCLS, TRUNCLD, 90 CVTDS, CVTDW, CVTSD, CVTSW, 91 CVTWS, CVTWD, CVTDL, CVTLS, 92 CVTLD, CVTSL, ADDS, ADDD, 93 SUBS, SUBD, DIVS 94 } flt_op; 95 96 extern UInt mips32_dirtyhelper_mfc0 ( UInt rd, UInt sel ); 97 98 extern ULong mips64_dirtyhelper_dmfc0 ( UInt rd, UInt sel ); 99 100 101 #if defined(__mips__) && ((defined(__mips_isa_rev) && __mips_isa_rev >= 2)) 102 extern UInt mips32_dirtyhelper_rdhwr ( UInt rt, UInt rd ); 103 extern ULong mips64_dirtyhelper_rdhwr ( ULong rt, ULong rd ); 104 #endif 105 106 /* Calculate FCSR in fp32 mode. */ 107 extern UInt mips_dirtyhelper_calculate_FCSR_fp32 ( void* guest_state, UInt fs, 108 UInt ft, flt_op op ); 109 /* Calculate FCSR in fp64 mode. */ 110 extern UInt mips_dirtyhelper_calculate_FCSR_fp64 ( void* guest_state, UInt fs, 111 UInt ft, flt_op op ); 112 113 /*---------------------------------------------------------*/ 114 /*--- Condition code stuff ---*/ 115 /*---------------------------------------------------------*/ 116 117 typedef enum { 118 MIPSCondEQ = 0, /* equal : Z=1 */ 119 MIPSCondNE = 1, /* not equal : Z=0 */ 120 121 MIPSCondHS = 2, /* >=u (higher or same) : C=1 */ 122 MIPSCondLO = 3, /* <u (lower) : C=0 */ 123 124 MIPSCondMI = 4, /* minus (negative) : N=1 */ 125 MIPSCondPL = 5, /* plus (zero or +ve) : N=0 */ 126 127 MIPSCondVS = 6, /* overflow : V=1 */ 128 MIPSCondVC = 7, /* no overflow : V=0 */ 129 130 MIPSCondHI = 8, /* >u (higher) : C=1 && Z=0 */ 131 MIPSCondLS = 9, /* <=u (lower or same) : C=0 || Z=1 */ 132 133 MIPSCondGE = 10, /* >=s (signed greater or equal) : N=V */ 134 MIPSCondLT = 11, /* <s (signed less than) : N!=V */ 135 136 MIPSCondGT = 12, /* >s (signed greater) : Z=0 && N=V */ 137 MIPSCondLE = 13, /* <=s (signed less or equal) : Z=1 || N!=V */ 138 139 MIPSCondAL = 14, /* always (unconditional) : 1 */ 140 MIPSCondNV = 15 /* never (unconditional): : 0 */ 141 } MIPSCondcode; 142 143 #endif /* __VEX_GUEST_MIPS_DEFS_H */ 144 145 /*---------------------------------------------------------------*/ 146 /*--- end guest_mips_defs.h ---*/ 147 /*---------------------------------------------------------------*/ 148
