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) 2010-2012 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 /*---------------------------------------------------------*/ 37 /*--- mips to IR conversion ---*/ 38 /*---------------------------------------------------------*/ 39 40 /* Convert one MIPS insn to IR. See the type DisOneInstrFn in 41 bb_to_IR.h. */ 42 extern DisResult disInstr_MIPS ( IRSB* irbb, 43 Bool (*resteerOkFn) (void *, Addr64), 44 Bool resteerCisOk, 45 void* callback_opaque, 46 UChar* guest_code, 47 Long delta, 48 Addr64 guest_IP, 49 VexArch guest_arch, 50 VexArchInfo* archinfo, 51 VexAbiInfo* abiinfo, 52 Bool host_bigendian ); 53 54 /* Used by the optimiser to specialise calls to helpers. */ 55 extern IRExpr *guest_mips32_spechelper(HChar * function_name, IRExpr ** args, 56 IRStmt ** precedingStmts, 57 Int n_precedingStmts); 58 59 /* Describes to the optimser which part of the guest state require 60 precise memory exceptions. This is logically part of the guest 61 state description. */ 62 extern Bool guest_mips32_state_requires_precise_mem_exns(Int, Int); 63 64 extern VexGuestLayout mips32Guest_layout; 65 66 /*---------------------------------------------------------*/ 67 /*--- mips guest helpers ---*/ 68 /*---------------------------------------------------------*/ 69 70 extern UInt mips32_dirtyhelper_mfc0(UInt rd, UInt sel); 71 72 extern void mips32_dirtyhelper_sync(UInt sync); 73 74 /*---------------------------------------------------------*/ 75 /*--- Condition code stuff ---*/ 76 /*---------------------------------------------------------*/ 77 78 /* Defines conditions which we can ask for (MIPS MIPS 2e page A3-6) */ 79 80 typedef enum { 81 MIPSCondEQ = 0, /* equal : Z=1 */ 82 MIPSCondNE = 1, /* not equal : Z=0 */ 83 84 MIPSCondHS = 2, /* >=u (higher or same) : C=1 */ 85 MIPSCondLO = 3, /* <u (lower) : C=0 */ 86 87 MIPSCondMI = 4, /* minus (negative) : N=1 */ 88 MIPSCondPL = 5, /* plus (zero or +ve) : N=0 */ 89 90 MIPSCondVS = 6, /* overflow : V=1 */ 91 MIPSCondVC = 7, /* no overflow : V=0 */ 92 93 MIPSCondHI = 8, /* >u (higher) : C=1 && Z=0 */ 94 MIPSCondLS = 9, /* <=u (lower or same) : C=0 || Z=1 */ 95 96 MIPSCondGE = 10, /* >=s (signed greater or equal) : N=V */ 97 MIPSCondLT = 11, /* <s (signed less than) : N!=V */ 98 99 MIPSCondGT = 12, /* >s (signed greater) : Z=0 && N=V */ 100 MIPSCondLE = 13, /* <=s (signed less or equal) : Z=1 || N!=V */ 101 102 MIPSCondAL = 14, /* always (unconditional) : 1 */ 103 MIPSCondNV = 15 /* never (unconditional): : 0 */ 104 /* NB: MIPS have deprecated the use of the NV condition code. 105 You are now supposed to use MOV R0,R0 as a noop rather than 106 MOVNV R0,R0 as was previously recommended. Future processors 107 may have the NV condition code reused to do other things. */ 108 } MIPSCondcode; 109 110 #endif /* __VEX_GUEST_MIPS_DEFS_H */ 111 112 /*---------------------------------------------------------------*/ 113 /*--- end guest_mips_defs.h ---*/ 114 /*---------------------------------------------------------------*/ 115