sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 1 | |
| 2 | /*---------------------------------------------------------------*/ |
| 3 | /*--- ---*/ |
sewardj | c0ee2ed | 2004-07-27 10:29:41 +0000 | [diff] [blame] | 4 | /*--- This file (main/vex_main.c) is ---*/ |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 5 | /*--- Copyright (c) 2004 OpenWorks LLP. All rights reserved. ---*/ |
| 6 | /*--- ---*/ |
| 7 | /*---------------------------------------------------------------*/ |
| 8 | |
sewardj | f8ed9d8 | 2004-11-12 17:40:23 +0000 | [diff] [blame] | 9 | /* |
| 10 | This file is part of LibVEX, a library for dynamic binary |
| 11 | instrumentation and translation. |
| 12 | |
| 13 | Copyright (C) 2004 OpenWorks, LLP. |
| 14 | |
| 15 | This program is free software; you can redistribute it and/or modify |
| 16 | it under the terms of the GNU General Public License as published by |
| 17 | the Free Software Foundation; Version 2 dated June 1991 of the |
| 18 | license. |
| 19 | |
| 20 | This program is distributed in the hope that it will be useful, |
| 21 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or liability |
| 23 | for damages. See the GNU General Public License for more details. |
| 24 | |
| 25 | Neither the names of the U.S. Department of Energy nor the |
| 26 | University of California nor the names of its contributors may be |
| 27 | used to endorse or promote products derived from this software |
| 28 | without prior written permission. |
| 29 | |
| 30 | You should have received a copy of the GNU General Public License |
| 31 | along with this program; if not, write to the Free Software |
| 32 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 33 | USA. |
| 34 | */ |
| 35 | |
sewardj | 887a11a | 2004-07-05 17:26:47 +0000 | [diff] [blame] | 36 | #include "libvex.h" |
sewardj | 893aada | 2004-11-29 19:57:54 +0000 | [diff] [blame] | 37 | #include "libvex_emwarn.h" |
sewardj | 81ec418 | 2004-10-25 23:15:52 +0000 | [diff] [blame] | 38 | #include "libvex_guest_x86.h" |
sewardj | 44d494d | 2005-01-20 20:26:33 +0000 | [diff] [blame] | 39 | #include "libvex_guest_amd64.h" |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 40 | #include "libvex_guest_arm.h" |
cerion | aabdfbf | 2005-01-29 12:56:15 +0000 | [diff] [blame] | 41 | #include "libvex_guest_ppc32.h" |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 42 | |
sewardj | c0ee2ed | 2004-07-27 10:29:41 +0000 | [diff] [blame] | 43 | #include "main/vex_globals.h" |
| 44 | #include "main/vex_util.h" |
| 45 | #include "host-generic/h_generic_regs.h" |
sewardj | edf4d69 | 2004-08-17 13:52:58 +0000 | [diff] [blame] | 46 | #include "ir/iropt.h" |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 47 | |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 48 | #include "host-x86/hdefs.h" |
sewardj | c33671d | 2005-02-01 20:30:00 +0000 | [diff] [blame] | 49 | #include "host-amd64/hdefs.h" |
cerion | 487e4c9 | 2005-02-04 16:28:19 +0000 | [diff] [blame] | 50 | #include "host-ppc32/hdefs.h" |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 51 | |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 52 | #include "guest-generic/bb_to_IR.h" |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 53 | #include "guest-x86/gdefs.h" |
sewardj | 44d494d | 2005-01-20 20:26:33 +0000 | [diff] [blame] | 54 | #include "guest-amd64/gdefs.h" |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 55 | #include "guest-arm/gdefs.h" |
cerion | aabdfbf | 2005-01-29 12:56:15 +0000 | [diff] [blame] | 56 | #include "guest-ppc32/gdefs.h" |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 57 | |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 58 | |
| 59 | /* This file contains the top level interface to the library. */ |
| 60 | |
| 61 | /* --------- Initialise the library. --------- */ |
| 62 | |
| 63 | /* Exported to library client. */ |
| 64 | |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 65 | const HChar* LibVEX_Version ( void ) |
sewardj | 80f5fce | 2004-12-20 04:37:50 +0000 | [diff] [blame] | 66 | { |
| 67 | return |
| 68 | #include "main/vex_svnversion.h" |
| 69 | ; |
| 70 | } |
| 71 | |
| 72 | |
| 73 | /* Exported to library client. */ |
| 74 | |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 75 | void LibVEX_default_VexControl ( /*OUT*/ VexControl* vcon ) |
| 76 | { |
| 77 | vcon->iropt_verbosity = 0; |
| 78 | vcon->iropt_level = 2; |
| 79 | vcon->iropt_precise_memory_exns = False; |
| 80 | vcon->iropt_unroll_thresh = 120; |
sewardj | 18b4bb7 | 2005-03-29 21:32:41 +0000 | [diff] [blame] | 81 | vcon->guest_max_insns = 60; |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 82 | vcon->guest_chase_thresh = 10; |
| 83 | } |
| 84 | |
| 85 | |
| 86 | /* Exported to library client. */ |
| 87 | |
sewardj | 887a11a | 2004-07-05 17:26:47 +0000 | [diff] [blame] | 88 | void LibVEX_Init ( |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 89 | /* failure exit function */ |
sewardj | 2b51587 | 2004-07-05 20:50:45 +0000 | [diff] [blame] | 90 | __attribute__ ((noreturn)) |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 91 | void (*failure_exit) ( void ), |
| 92 | /* logging output function */ |
sewardj | d976362 | 2005-02-07 03:12:19 +0000 | [diff] [blame] | 93 | void (*log_bytes) ( HChar*, Int nbytes ), |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 94 | /* debug paranoia level */ |
| 95 | Int debuglevel, |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 96 | /* Are we supporting valgrind checking? */ |
| 97 | Bool valgrind_support, |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 98 | /* Control ... */ |
| 99 | /*READONLY*/VexControl* vcon |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 100 | ) |
| 101 | { |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 102 | /* First off, do enough minimal setup so that the following |
| 103 | assertions can fail in a sane fashion, if need be. */ |
sewardj | ea602bc | 2004-10-14 21:40:12 +0000 | [diff] [blame] | 104 | vex_failure_exit = failure_exit; |
| 105 | vex_log_bytes = log_bytes; |
| 106 | |
| 107 | /* Now it's safe to check parameters for sanity. */ |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 108 | vassert(!vex_initdone); |
| 109 | vassert(failure_exit); |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 110 | vassert(log_bytes); |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 111 | vassert(debuglevel >= 0); |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 112 | |
| 113 | vassert(vcon->iropt_verbosity >= 0); |
| 114 | vassert(vcon->iropt_level >= 0); |
| 115 | vassert(vcon->iropt_level <= 2); |
| 116 | vassert(vcon->iropt_unroll_thresh >= 0); |
| 117 | vassert(vcon->iropt_unroll_thresh <= 400); |
| 118 | vassert(vcon->guest_max_insns >= 1); |
| 119 | vassert(vcon->guest_max_insns <= 100); |
| 120 | vassert(vcon->guest_chase_thresh >= 0); |
| 121 | vassert(vcon->guest_chase_thresh < vcon->guest_max_insns); |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 122 | |
sewardj | 81ec418 | 2004-10-25 23:15:52 +0000 | [diff] [blame] | 123 | /* All the guest state structs must have an 8-aligned size. */ |
sewardj | 32a8126 | 2005-02-05 14:32:18 +0000 | [diff] [blame] | 124 | vassert(0 == sizeof(VexGuestX86State) % 8); |
| 125 | vassert(0 == sizeof(VexGuestAMD64State) % 8); |
| 126 | vassert(0 == sizeof(VexGuestPPC32State) % 8); |
| 127 | vassert(0 == sizeof(VexGuestARMState) % 8); |
sewardj | 81ec418 | 2004-10-25 23:15:52 +0000 | [diff] [blame] | 128 | |
sewardj | ea602bc | 2004-10-14 21:40:12 +0000 | [diff] [blame] | 129 | /* Check that Vex has been built with sizes of basic types as |
| 130 | stated in priv/libvex_basictypes.h. Failure of any of these is |
| 131 | a serious configuration error and should be corrected |
| 132 | immediately. If any of these assertions fail you can fully |
| 133 | expect Vex not to work properly, if at all. */ |
| 134 | |
| 135 | vassert(1 == sizeof(UChar)); |
| 136 | vassert(1 == sizeof(Char)); |
| 137 | vassert(2 == sizeof(UShort)); |
| 138 | vassert(2 == sizeof(Short)); |
| 139 | vassert(4 == sizeof(UInt)); |
| 140 | vassert(4 == sizeof(Int)); |
| 141 | vassert(8 == sizeof(ULong)); |
| 142 | vassert(8 == sizeof(Long)); |
| 143 | vassert(4 == sizeof(Float)); |
| 144 | vassert(8 == sizeof(Double)); |
| 145 | vassert(1 == sizeof(Bool)); |
| 146 | vassert(4 == sizeof(Addr32)); |
| 147 | vassert(8 == sizeof(Addr64)); |
sewardj | c9a4366 | 2004-11-30 18:51:59 +0000 | [diff] [blame] | 148 | vassert(16 == sizeof(U128)); |
sewardj | ea602bc | 2004-10-14 21:40:12 +0000 | [diff] [blame] | 149 | |
| 150 | vassert(sizeof(void*) == 4 || sizeof(void*) == 8); |
| 151 | vassert(sizeof(void*) == sizeof(int*)); |
| 152 | vassert(sizeof(void*) == sizeof(HWord)); |
| 153 | |
sewardj | 97e8793 | 2005-02-07 00:00:50 +0000 | [diff] [blame] | 154 | vassert(VEX_HOST_WORDSIZE == sizeof(void*)); |
| 155 | vassert(VEX_HOST_WORDSIZE == sizeof(HWord)); |
| 156 | |
sewardj | ea602bc | 2004-10-14 21:40:12 +0000 | [diff] [blame] | 157 | /* Really start up .. */ |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 158 | vex_debuglevel = debuglevel; |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 159 | vex_valgrind_support = valgrind_support; |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 160 | vex_control = *vcon; |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 161 | vex_initdone = True; |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 162 | vexSetAllocMode ( VexAllocModeTEMP ); |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | |
| 166 | /* --------- Make a translation. --------- */ |
| 167 | |
| 168 | /* Exported to library client. */ |
| 169 | |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 170 | VexTranslateResult LibVEX_Translate ( |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 171 | /* The instruction sets we are translating from and to. */ |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 172 | VexArch arch_guest, |
| 173 | VexArchInfo* archinfo_guest, |
| 174 | VexArch arch_host, |
| 175 | VexArchInfo* archinfo_host, |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 176 | /* IN: the block to translate, and its guest address. */ |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 177 | UChar* guest_bytes, |
| 178 | Addr64 guest_bytes_addr, |
| 179 | Bool (*chase_into_ok) ( Addr64 ), |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 180 | /* OUT: which bits of guest code actually got translated */ |
| 181 | VexGuestExtents* guest_extents, |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 182 | /* IN: a place to put the resulting code, and its size */ |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 183 | UChar* host_bytes, |
| 184 | Int host_bytes_size, |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 185 | /* OUT: how much of the output area is used. */ |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 186 | Int* host_bytes_used, |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame] | 187 | /* IN: optionally, two instrumentation functions. */ |
sewardj | 918c8f3 | 2005-03-21 00:54:33 +0000 | [diff] [blame] | 188 | IRBB* (*instrument1) ( IRBB*, VexGuestLayout*, |
| 189 | IRType gWordTy, IRType hWordTy ), |
| 190 | IRBB* (*instrument2) ( IRBB*, VexGuestLayout*, |
| 191 | IRType gWordTy, IRType hWordTy ), |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 192 | Bool cleanup_after_instrumentation, |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 193 | /* IN: optionally, an access check function for guest code. */ |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 194 | Bool (*byte_accessible) ( Addr64 ), |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 195 | /* IN: debug: trace vex activity at various points */ |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 196 | Int traceflags |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 197 | ) |
| 198 | { |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 199 | /* This the bundle of functions we need to do the back-end stuff |
| 200 | (insn selection, reg-alloc, assembly) whilst being insulated |
| 201 | from the target instruction set. */ |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 202 | HReg* available_real_regs; |
| 203 | Int n_available_real_regs; |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 204 | Bool (*isMove) (HInstr*, HReg*, HReg*); |
| 205 | void (*getRegUsage) (HRegUsage*, HInstr*); |
| 206 | void (*mapRegs) (HRegRemap*, HInstr*); |
| 207 | HInstr* (*genSpill) ( HReg, Int ); |
| 208 | HInstr* (*genReload) ( HReg, Int ); |
| 209 | void (*ppInstr) ( HInstr* ); |
| 210 | void (*ppReg) ( HReg ); |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 211 | HInstrArray* (*iselBB) ( IRBB*, VexArchInfo* ); |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 212 | Int (*emit) ( UChar*, Int, HInstr* ); |
sewardj | d976362 | 2005-02-07 03:12:19 +0000 | [diff] [blame] | 213 | IRExpr* (*specHelper) ( HChar*, IRExpr** ); |
sewardj | 8d2291c | 2004-10-25 14:50:21 +0000 | [diff] [blame] | 214 | Bool (*preciseMemExnsFn) ( Int, Int ); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 215 | |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 216 | DisOneInstrFn disInstrFn; |
| 217 | |
sewardj | eeac841 | 2004-11-02 00:26:55 +0000 | [diff] [blame] | 218 | VexGuestLayout* guest_layout; |
| 219 | Bool host_is_bigendian = False; |
| 220 | IRBB* irbb; |
| 221 | HInstrArray* vcode; |
| 222 | HInstrArray* rcode; |
| 223 | Int i, j, k, out_used, guest_sizeB; |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame^] | 224 | Int offB_TISTART, offB_TILEN; |
sewardj | eeac841 | 2004-11-02 00:26:55 +0000 | [diff] [blame] | 225 | UChar insn_bytes[32]; |
sewardj | cf78790 | 2004-11-03 09:08:33 +0000 | [diff] [blame] | 226 | IRType guest_word_type; |
| 227 | IRType host_word_type; |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 228 | |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame] | 229 | guest_layout = NULL; |
sewardj | 36ca513 | 2004-07-24 13:12:23 +0000 | [diff] [blame] | 230 | available_real_regs = NULL; |
| 231 | n_available_real_regs = 0; |
| 232 | isMove = NULL; |
| 233 | getRegUsage = NULL; |
| 234 | mapRegs = NULL; |
| 235 | genSpill = NULL; |
| 236 | genReload = NULL; |
| 237 | ppInstr = NULL; |
| 238 | ppReg = NULL; |
| 239 | iselBB = NULL; |
sewardj | 36ca513 | 2004-07-24 13:12:23 +0000 | [diff] [blame] | 240 | emit = NULL; |
sewardj | 84ff065 | 2004-08-23 16:16:08 +0000 | [diff] [blame] | 241 | specHelper = NULL; |
sewardj | 8d2291c | 2004-10-25 14:50:21 +0000 | [diff] [blame] | 242 | preciseMemExnsFn = NULL; |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 243 | disInstrFn = NULL; |
sewardj | cf78790 | 2004-11-03 09:08:33 +0000 | [diff] [blame] | 244 | guest_word_type = Ity_INVALID; |
| 245 | host_word_type = Ity_INVALID; |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame^] | 246 | offB_TISTART = 0; |
| 247 | offB_TILEN = 0; |
sewardj | 36ca513 | 2004-07-24 13:12:23 +0000 | [diff] [blame] | 248 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 249 | vex_traceflags = traceflags; |
sewardj | 58800ff | 2004-07-28 01:51:10 +0000 | [diff] [blame] | 250 | |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 251 | vassert(vex_initdone); |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 252 | vexClearTEMP(); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 253 | |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 254 | |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 255 | /* First off, check that the guest and host insn sets |
| 256 | are supported. */ |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 257 | |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 258 | switch (arch_host) { |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 259 | |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 260 | case VexArchX86: |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 261 | getAllocableRegs_X86 ( &n_available_real_regs, |
| 262 | &available_real_regs ); |
| 263 | isMove = (Bool(*)(HInstr*,HReg*,HReg*)) isMove_X86Instr; |
| 264 | getRegUsage = (void(*)(HRegUsage*,HInstr*)) getRegUsage_X86Instr; |
| 265 | mapRegs = (void(*)(HRegRemap*,HInstr*)) mapRegs_X86Instr; |
| 266 | genSpill = (HInstr*(*)(HReg,Int)) genSpill_X86; |
| 267 | genReload = (HInstr*(*)(HReg,Int)) genReload_X86; |
sewardj | 2b51587 | 2004-07-05 20:50:45 +0000 | [diff] [blame] | 268 | ppInstr = (void(*)(HInstr*)) ppX86Instr; |
| 269 | ppReg = (void(*)(HReg)) ppHRegX86; |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 270 | iselBB = iselBB_X86; |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 271 | emit = (Int(*)(UChar*,Int,HInstr*)) emit_X86Instr; |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 272 | host_is_bigendian = False; |
sewardj | cf78790 | 2004-11-03 09:08:33 +0000 | [diff] [blame] | 273 | host_word_type = Ity_I32; |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 274 | vassert(archinfo_host->subarch == VexSubArchX86_sse0 |
| 275 | || archinfo_host->subarch == VexSubArchX86_sse1 |
| 276 | || archinfo_host->subarch == VexSubArchX86_sse2); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 277 | break; |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 278 | |
sewardj | c33671d | 2005-02-01 20:30:00 +0000 | [diff] [blame] | 279 | case VexArchAMD64: |
| 280 | getAllocableRegs_AMD64 ( &n_available_real_regs, |
| 281 | &available_real_regs ); |
| 282 | isMove = (Bool(*)(HInstr*,HReg*,HReg*)) isMove_AMD64Instr; |
| 283 | getRegUsage = (void(*)(HRegUsage*,HInstr*)) getRegUsage_AMD64Instr; |
| 284 | mapRegs = (void(*)(HRegRemap*,HInstr*)) mapRegs_AMD64Instr; |
| 285 | genSpill = (HInstr*(*)(HReg,Int)) genSpill_AMD64; |
| 286 | genReload = (HInstr*(*)(HReg,Int)) genReload_AMD64; |
| 287 | ppInstr = (void(*)(HInstr*)) ppAMD64Instr; |
| 288 | ppReg = (void(*)(HReg)) ppHRegAMD64; |
| 289 | iselBB = iselBB_AMD64; |
| 290 | emit = (Int(*)(UChar*,Int,HInstr*)) emit_AMD64Instr; |
| 291 | host_is_bigendian = False; |
| 292 | host_word_type = Ity_I64; |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 293 | vassert(archinfo_host->subarch == VexSubArch_NONE); |
sewardj | c33671d | 2005-02-01 20:30:00 +0000 | [diff] [blame] | 294 | break; |
| 295 | |
cerion | 487e4c9 | 2005-02-04 16:28:19 +0000 | [diff] [blame] | 296 | case VexArchPPC32: |
| 297 | getAllocableRegs_PPC32 ( &n_available_real_regs, |
| 298 | &available_real_regs ); |
| 299 | isMove = (Bool(*)(HInstr*,HReg*,HReg*)) isMove_PPC32Instr; |
| 300 | getRegUsage = (void(*)(HRegUsage*,HInstr*)) getRegUsage_PPC32Instr; |
| 301 | mapRegs = (void(*)(HRegRemap*,HInstr*)) mapRegs_PPC32Instr; |
| 302 | genSpill = (HInstr*(*)(HReg,Int)) genSpill_PPC32; |
| 303 | genReload = (HInstr*(*)(HReg,Int)) genReload_PPC32; |
| 304 | ppInstr = (void(*)(HInstr*)) ppPPC32Instr; |
| 305 | ppReg = (void(*)(HReg)) ppHRegPPC32; |
| 306 | iselBB = iselBB_PPC32; |
| 307 | emit = (Int(*)(UChar*,Int,HInstr*)) emit_PPC32Instr; |
| 308 | host_is_bigendian = True; |
| 309 | host_word_type = Ity_I32; |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 310 | vassert(archinfo_guest->subarch == VexSubArchPPC32_noAV |
| 311 | || archinfo_guest->subarch == VexSubArchPPC32_AV); |
cerion | 487e4c9 | 2005-02-04 16:28:19 +0000 | [diff] [blame] | 312 | break; |
| 313 | |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 314 | default: |
sewardj | 887a11a | 2004-07-05 17:26:47 +0000 | [diff] [blame] | 315 | vpanic("LibVEX_Translate: unsupported target insn set"); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 316 | } |
| 317 | |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 318 | |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 319 | switch (arch_guest) { |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 320 | |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 321 | case VexArchX86: |
sewardj | 8d2291c | 2004-10-25 14:50:21 +0000 | [diff] [blame] | 322 | preciseMemExnsFn = guest_x86_state_requires_precise_mem_exns; |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 323 | disInstrFn = disInstr_X86; |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 324 | specHelper = guest_x86_spechelper; |
sewardj | 81ec418 | 2004-10-25 23:15:52 +0000 | [diff] [blame] | 325 | guest_sizeB = sizeof(VexGuestX86State); |
sewardj | cf78790 | 2004-11-03 09:08:33 +0000 | [diff] [blame] | 326 | guest_word_type = Ity_I32; |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame] | 327 | guest_layout = &x86guest_layout; |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame^] | 328 | offB_TISTART = offsetof(VexGuestX86State,guest_TISTART); |
| 329 | offB_TILEN = offsetof(VexGuestX86State,guest_TILEN); |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 330 | vassert(archinfo_guest->subarch == VexSubArchX86_sse0 |
| 331 | || archinfo_guest->subarch == VexSubArchX86_sse1 |
| 332 | || archinfo_guest->subarch == VexSubArchX86_sse2); |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame^] | 333 | vassert(sizeof( ((VexGuestX86State*)0)->guest_TISTART ) == 4); |
| 334 | vassert(sizeof( ((VexGuestX86State*)0)->guest_TILEN ) == 4); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 335 | break; |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 336 | |
sewardj | 44d494d | 2005-01-20 20:26:33 +0000 | [diff] [blame] | 337 | case VexArchAMD64: |
| 338 | preciseMemExnsFn = guest_amd64_state_requires_precise_mem_exns; |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 339 | disInstrFn = disInstr_AMD64; |
sewardj | 44d494d | 2005-01-20 20:26:33 +0000 | [diff] [blame] | 340 | specHelper = guest_amd64_spechelper; |
| 341 | guest_sizeB = sizeof(VexGuestAMD64State); |
| 342 | guest_word_type = Ity_I64; |
| 343 | guest_layout = &amd64guest_layout; |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame^] | 344 | offB_TISTART = offsetof(VexGuestAMD64State,guest_TISTART); |
| 345 | offB_TILEN = offsetof(VexGuestAMD64State,guest_TILEN); |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 346 | vassert(archinfo_guest->subarch == VexSubArch_NONE); |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame^] | 347 | vassert(sizeof( ((VexGuestAMD64State*)0)->guest_TISTART ) == 8); |
| 348 | vassert(sizeof( ((VexGuestAMD64State*)0)->guest_TILEN ) == 8); |
sewardj | 44d494d | 2005-01-20 20:26:33 +0000 | [diff] [blame] | 349 | break; |
| 350 | |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 351 | case VexArchARM: |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 352 | preciseMemExnsFn = guest_arm_state_requires_precise_mem_exns; |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 353 | disInstrFn = NULL; /* HACK */ |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 354 | specHelper = guest_arm_spechelper; |
| 355 | guest_sizeB = sizeof(VexGuestARMState); |
| 356 | guest_word_type = Ity_I32; |
| 357 | guest_layout = &armGuest_layout; |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame^] | 358 | offB_TISTART = 0; /* hack ... arm has bitrot */ |
| 359 | offB_TILEN = 0; /* hack ... arm has bitrot */ |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 360 | vassert(archinfo_guest->subarch == VexSubArchARM_v4); |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 361 | break; |
| 362 | |
cerion | aabdfbf | 2005-01-29 12:56:15 +0000 | [diff] [blame] | 363 | case VexArchPPC32: |
| 364 | preciseMemExnsFn = guest_ppc32_state_requires_precise_mem_exns; |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 365 | disInstrFn = disInstr_PPC32; |
cerion | aabdfbf | 2005-01-29 12:56:15 +0000 | [diff] [blame] | 366 | specHelper = guest_ppc32_spechelper; |
| 367 | guest_sizeB = sizeof(VexGuestPPC32State); |
| 368 | guest_word_type = Ity_I32; |
| 369 | guest_layout = &ppc32Guest_layout; |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame^] | 370 | offB_TISTART = offsetof(VexGuestPPC32State,guest_TISTART); |
| 371 | offB_TILEN = offsetof(VexGuestPPC32State,guest_TILEN); |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 372 | vassert(archinfo_guest->subarch == VexSubArchPPC32_noAV |
| 373 | || archinfo_guest->subarch == VexSubArchPPC32_AV); |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame^] | 374 | vassert(sizeof( ((VexGuestPPC32State*)0)->guest_TISTART ) == 4); |
| 375 | vassert(sizeof( ((VexGuestPPC32State*)0)->guest_TILEN ) == 4); |
cerion | aabdfbf | 2005-01-29 12:56:15 +0000 | [diff] [blame] | 376 | break; |
| 377 | |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 378 | default: |
sewardj | 887a11a | 2004-07-05 17:26:47 +0000 | [diff] [blame] | 379 | vpanic("LibVEX_Translate: unsupported guest insn set"); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 380 | } |
| 381 | |
sewardj | 9df271d | 2004-12-31 22:37:42 +0000 | [diff] [blame] | 382 | /* yet more sanity checks ... */ |
sewardj | 0ec57c5 | 2005-02-01 15:24:10 +0000 | [diff] [blame] | 383 | if (arch_guest == arch_host) { |
sewardj | 9df271d | 2004-12-31 22:37:42 +0000 | [diff] [blame] | 384 | /* doesn't necessarily have to be true, but if it isn't it means |
sewardj | 0ec57c5 | 2005-02-01 15:24:10 +0000 | [diff] [blame] | 385 | we are simulating one flavour of an architecture a different |
| 386 | flavour of the same architecture, which is pretty strange. */ |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 387 | vassert(archinfo_guest->subarch == archinfo_host->subarch); |
sewardj | 9df271d | 2004-12-31 22:37:42 +0000 | [diff] [blame] | 388 | } |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 389 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 390 | if (vex_traceflags & VEX_TRACE_FE) |
| 391 | vex_printf("\n------------------------" |
| 392 | " Front end " |
| 393 | "------------------------\n\n"); |
| 394 | |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 395 | irbb = bb_to_IR ( guest_extents, |
| 396 | disInstrFn, |
| 397 | guest_bytes, |
| 398 | guest_bytes_addr, |
| 399 | chase_into_ok, |
| 400 | host_is_bigendian, |
| 401 | archinfo_guest, |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame^] | 402 | guest_word_type, |
| 403 | False/*selfcheck*/, |
| 404 | offB_TISTART, |
| 405 | offB_TILEN ); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 406 | |
| 407 | if (irbb == NULL) { |
| 408 | /* Access failure. */ |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 409 | vexClearTEMP(); |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 410 | vex_traceflags = 0; |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 411 | return VexTransAccessFail; |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 412 | } |
sewardj | aa59f94 | 2004-10-09 09:34:36 +0000 | [diff] [blame] | 413 | |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 414 | vassert(guest_extents->n_used >= 1 && guest_extents->n_used <= 3); |
| 415 | vassert(guest_extents->base[0] == guest_bytes_addr); |
| 416 | for (i = 0; i < guest_extents->n_used; i++) { |
| 417 | vassert(guest_extents->len[i] < 10000); /* sanity */ |
| 418 | } |
| 419 | |
sewardj | aa59f94 | 2004-10-09 09:34:36 +0000 | [diff] [blame] | 420 | /* If debugging, show the raw guest bytes for this bb. */ |
sewardj | 109ffdb | 2004-12-10 21:45:38 +0000 | [diff] [blame] | 421 | if (0 || (vex_traceflags & VEX_TRACE_FE)) { |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 422 | if (guest_extents->n_used > 1) { |
| 423 | vex_printf("can't show code due to extents > 1\n"); |
| 424 | } else { |
| 425 | /* HACK */ |
| 426 | UChar* p = (UChar*)guest_bytes; |
| 427 | UInt guest_bytes_read = (UInt)guest_extents->len[0]; |
sewardj | d976362 | 2005-02-07 03:12:19 +0000 | [diff] [blame] | 428 | vex_printf(". 0 %llx %u\n.", guest_bytes_addr, guest_bytes_read ); |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 429 | for (i = 0; i < guest_bytes_read; i++) |
sewardj | aa59f94 | 2004-10-09 09:34:36 +0000 | [diff] [blame] | 430 | vex_printf(" %02x", (Int)p[i] ); |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 431 | vex_printf("\n\n"); |
| 432 | } |
sewardj | aa59f94 | 2004-10-09 09:34:36 +0000 | [diff] [blame] | 433 | } |
| 434 | |
| 435 | /* Sanity check the initial IR. */ |
sewardj | b923075 | 2004-12-29 19:25:06 +0000 | [diff] [blame] | 436 | sanityCheckIRBB( irbb, "initial IR", |
| 437 | False/*can be non-flat*/, guest_word_type ); |
sewardj | e8e9d73 | 2004-07-16 21:03:45 +0000 | [diff] [blame] | 438 | |
sewardj | edf4d69 | 2004-08-17 13:52:58 +0000 | [diff] [blame] | 439 | /* Clean it up, hopefully a lot. */ |
sewardj | 8d2291c | 2004-10-25 14:50:21 +0000 | [diff] [blame] | 440 | irbb = do_iropt_BB ( irbb, specHelper, preciseMemExnsFn, |
| 441 | guest_bytes_addr ); |
sewardj | b923075 | 2004-12-29 19:25:06 +0000 | [diff] [blame] | 442 | sanityCheckIRBB( irbb, "after initial iropt", |
| 443 | True/*must be flat*/, guest_word_type ); |
sewardj | edf4d69 | 2004-08-17 13:52:58 +0000 | [diff] [blame] | 444 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 445 | if (vex_traceflags & VEX_TRACE_OPT1) { |
| 446 | vex_printf("\n------------------------" |
| 447 | " After pre-instr IR optimisation " |
| 448 | "------------------------\n\n"); |
sewardj | edf4d69 | 2004-08-17 13:52:58 +0000 | [diff] [blame] | 449 | ppIRBB ( irbb ); |
| 450 | vex_printf("\n"); |
| 451 | } |
| 452 | |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 453 | /* Get the thing instrumented. */ |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame] | 454 | if (instrument1) |
sewardj | 918c8f3 | 2005-03-21 00:54:33 +0000 | [diff] [blame] | 455 | irbb = (*instrument1)(irbb, guest_layout, |
| 456 | guest_word_type, host_word_type); |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame] | 457 | if (instrument2) |
sewardj | 918c8f3 | 2005-03-21 00:54:33 +0000 | [diff] [blame] | 458 | irbb = (*instrument2)(irbb, guest_layout, |
| 459 | guest_word_type, host_word_type); |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame] | 460 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 461 | if (vex_traceflags & VEX_TRACE_INST) { |
| 462 | vex_printf("\n------------------------" |
| 463 | " After instrumentation " |
| 464 | "------------------------\n\n"); |
| 465 | ppIRBB ( irbb ); |
| 466 | vex_printf("\n"); |
| 467 | } |
| 468 | |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame] | 469 | if (instrument1 || instrument2) |
sewardj | b923075 | 2004-12-29 19:25:06 +0000 | [diff] [blame] | 470 | sanityCheckIRBB( irbb, "after instrumentation", |
| 471 | True/*must be flat*/, guest_word_type ); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 472 | |
sewardj | 9578a8b | 2004-11-04 19:44:48 +0000 | [diff] [blame] | 473 | /* Do a post-instrumentation cleanup pass. */ |
| 474 | if (cleanup_after_instrumentation) { |
| 475 | do_deadcode_BB( irbb ); |
| 476 | irbb = cprop_BB( irbb ); |
| 477 | do_deadcode_BB( irbb ); |
sewardj | b923075 | 2004-12-29 19:25:06 +0000 | [diff] [blame] | 478 | sanityCheckIRBB( irbb, "after post-instrumentation cleanup", |
| 479 | True/*must be flat*/, guest_word_type ); |
sewardj | 9578a8b | 2004-11-04 19:44:48 +0000 | [diff] [blame] | 480 | } |
| 481 | |
| 482 | if (vex_traceflags & VEX_TRACE_OPT2) { |
| 483 | vex_printf("\n------------------------" |
| 484 | " After post-instr IR optimisation " |
| 485 | "------------------------\n\n"); |
| 486 | ppIRBB ( irbb ); |
| 487 | vex_printf("\n"); |
| 488 | } |
| 489 | |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 490 | /* Turn it into virtual-registerised code. */ |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame] | 491 | do_deadcode_BB( irbb ); |
| 492 | do_treebuild_BB( irbb ); |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 493 | |
| 494 | if (vex_traceflags & VEX_TRACE_TREES) { |
| 495 | vex_printf("\n------------------------" |
| 496 | " After tree-building " |
| 497 | "------------------------\n\n"); |
| 498 | ppIRBB ( irbb ); |
| 499 | vex_printf("\n"); |
| 500 | } |
| 501 | |
sewardj | e908c42 | 2005-02-04 21:18:16 +0000 | [diff] [blame] | 502 | /* HACK */ |
cerion | 5456081 | 2005-02-03 13:40:49 +0000 | [diff] [blame] | 503 | if (0) { *host_bytes_used = 0; return VexTransOK; } |
sewardj | e908c42 | 2005-02-04 21:18:16 +0000 | [diff] [blame] | 504 | /* end HACK */ |
sewardj | c33671d | 2005-02-01 20:30:00 +0000 | [diff] [blame] | 505 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 506 | if (vex_traceflags & VEX_TRACE_VCODE) |
| 507 | vex_printf("\n------------------------" |
| 508 | " Instruction selection " |
| 509 | "------------------------\n"); |
| 510 | |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 511 | vcode = iselBB ( irbb, archinfo_host ); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 512 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 513 | if (vex_traceflags & VEX_TRACE_VCODE) |
| 514 | vex_printf("\n"); |
| 515 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 516 | if (vex_traceflags & VEX_TRACE_VCODE) { |
sewardj | 1f40a0a | 2004-07-21 12:28:07 +0000 | [diff] [blame] | 517 | for (i = 0; i < vcode->arr_used; i++) { |
| 518 | vex_printf("%3d ", i); |
| 519 | ppInstr(vcode->arr[i]); |
| 520 | vex_printf("\n"); |
| 521 | } |
sewardj | fbcaf33 | 2004-07-08 01:46:01 +0000 | [diff] [blame] | 522 | vex_printf("\n"); |
| 523 | } |
sewardj | fbcaf33 | 2004-07-08 01:46:01 +0000 | [diff] [blame] | 524 | |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 525 | /* Register allocate. */ |
| 526 | rcode = doRegisterAllocation ( vcode, available_real_regs, |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 527 | n_available_real_regs, |
| 528 | isMove, getRegUsage, mapRegs, |
| 529 | genSpill, genReload, guest_sizeB, |
| 530 | ppInstr, ppReg ); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 531 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 532 | if (vex_traceflags & VEX_TRACE_RCODE) { |
| 533 | vex_printf("\n------------------------" |
| 534 | " Register-allocated code " |
| 535 | "------------------------\n\n"); |
sewardj | 1f40a0a | 2004-07-21 12:28:07 +0000 | [diff] [blame] | 536 | for (i = 0; i < rcode->arr_used; i++) { |
| 537 | vex_printf("%3d ", i); |
| 538 | ppInstr(rcode->arr[i]); |
| 539 | vex_printf("\n"); |
| 540 | } |
sewardj | fbcaf33 | 2004-07-08 01:46:01 +0000 | [diff] [blame] | 541 | vex_printf("\n"); |
| 542 | } |
sewardj | fbcaf33 | 2004-07-08 01:46:01 +0000 | [diff] [blame] | 543 | |
sewardj | e908c42 | 2005-02-04 21:18:16 +0000 | [diff] [blame] | 544 | /* HACK */ |
| 545 | if (0) { *host_bytes_used = 0; return VexTransOK; } |
| 546 | /* end HACK */ |
| 547 | |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 548 | /* Assemble */ |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 549 | if (vex_traceflags & VEX_TRACE_ASM) { |
| 550 | vex_printf("\n------------------------" |
| 551 | " Assembly " |
| 552 | "------------------------\n\n"); |
| 553 | } |
| 554 | |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 555 | out_used = 0; /* tracks along the host_bytes array */ |
| 556 | for (i = 0; i < rcode->arr_used; i++) { |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 557 | if (vex_traceflags & VEX_TRACE_ASM) { |
sewardj | bad34a9 | 2004-07-22 01:14:11 +0000 | [diff] [blame] | 558 | ppInstr(rcode->arr[i]); |
| 559 | vex_printf("\n"); |
| 560 | } |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 561 | j = (*emit)( insn_bytes, 32, rcode->arr[i] ); |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 562 | if (vex_traceflags & VEX_TRACE_ASM) { |
sewardj | bad34a9 | 2004-07-22 01:14:11 +0000 | [diff] [blame] | 563 | for (k = 0; k < j; k++) |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 564 | if (insn_bytes[k] < 16) |
sewardj | 86898e8 | 2004-07-22 17:26:12 +0000 | [diff] [blame] | 565 | vex_printf("0%x ", (UInt)insn_bytes[k]); |
| 566 | else |
| 567 | vex_printf("%x ", (UInt)insn_bytes[k]); |
sewardj | bad34a9 | 2004-07-22 01:14:11 +0000 | [diff] [blame] | 568 | vex_printf("\n\n"); |
| 569 | } |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 570 | if (out_used + j > host_bytes_size) { |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 571 | vexClearTEMP(); |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 572 | vex_traceflags = 0; |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 573 | return VexTransOutputFull; |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 574 | } |
| 575 | for (k = 0; k < j; k++) { |
| 576 | host_bytes[out_used] = insn_bytes[k]; |
| 577 | out_used++; |
| 578 | } |
| 579 | vassert(out_used <= host_bytes_size); |
| 580 | } |
| 581 | *host_bytes_used = out_used; |
| 582 | |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 583 | vexClearTEMP(); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 584 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 585 | vex_traceflags = 0; |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 586 | return VexTransOK; |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 587 | } |
| 588 | |
| 589 | |
sewardj | 893aada | 2004-11-29 19:57:54 +0000 | [diff] [blame] | 590 | /* --------- Emulation warnings. --------- */ |
| 591 | |
| 592 | HChar* LibVEX_EmWarn_string ( VexEmWarn ew ) |
| 593 | { |
| 594 | switch (ew) { |
| 595 | case EmWarn_NONE: |
| 596 | return "none"; |
| 597 | case EmWarn_X86_x87exns: |
| 598 | return "Unmasking x87 FP exceptions"; |
sewardj | 893aada | 2004-11-29 19:57:54 +0000 | [diff] [blame] | 599 | case EmWarn_X86_x87precision: |
| 600 | return "Selection of non-80-bit x87 FP precision"; |
| 601 | case EmWarn_X86_sseExns: |
sewardj | 5edfc26 | 2004-12-15 12:13:52 +0000 | [diff] [blame] | 602 | return "Unmasking SSE FP exceptions"; |
| 603 | case EmWarn_X86_fz: |
| 604 | return "Setting %mxcsr.fz (SSE flush-underflows-to-zero mode)"; |
| 605 | case EmWarn_X86_daz: |
| 606 | return "Setting %mxcsr.daz (SSE treat-denormals-as-zero mode)"; |
cerion | 094d139 | 2005-06-20 13:45:57 +0000 | [diff] [blame] | 607 | case EmWarn_PPC32exns: |
| 608 | return "Unmasking PPC32 FP exceptions"; |
sewardj | 893aada | 2004-11-29 19:57:54 +0000 | [diff] [blame] | 609 | default: |
| 610 | vpanic("LibVEX_EmWarn_string: unknown warning"); |
| 611 | } |
| 612 | } |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 613 | |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 614 | /* --------- Arch/Subarch stuff. --------- */ |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 615 | |
| 616 | const HChar* LibVEX_ppVexArch ( VexArch arch ) |
| 617 | { |
| 618 | switch (arch) { |
| 619 | case VexArch_INVALID: return "INVALID"; |
| 620 | case VexArchX86: return "X86"; |
| 621 | case VexArchAMD64: return "AMD64"; |
| 622 | case VexArchARM: return "ARM"; |
sewardj | 0ec57c5 | 2005-02-01 15:24:10 +0000 | [diff] [blame] | 623 | case VexArchPPC32: return "PPC32"; |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 624 | default: return "VexArch???"; |
| 625 | } |
| 626 | } |
| 627 | |
| 628 | const HChar* LibVEX_ppVexSubArch ( VexSubArch subarch ) |
| 629 | { |
| 630 | switch (subarch) { |
sewardj | 0ec57c5 | 2005-02-01 15:24:10 +0000 | [diff] [blame] | 631 | case VexSubArch_INVALID: return "INVALID"; |
| 632 | case VexSubArch_NONE: return "NONE"; |
| 633 | case VexSubArchX86_sse0: return "x86-sse0"; |
| 634 | case VexSubArchX86_sse1: return "x86-sse1"; |
| 635 | case VexSubArchX86_sse2: return "x86-sse2"; |
| 636 | case VexSubArchARM_v4: return "arm-v4"; |
| 637 | case VexSubArchPPC32_noAV: return "ppc32-noAltivec"; |
| 638 | case VexSubArchPPC32_AV: return "ppc32-Altivec"; |
| 639 | default: return "VexSubArch???"; |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 640 | } |
| 641 | } |
| 642 | |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 643 | /* Write default settings info *vai. */ |
| 644 | void LibVEX_default_VexArchInfo ( /*OUT*/VexArchInfo* vai ) |
| 645 | { |
| 646 | vai->subarch = VexSubArch_INVALID; |
| 647 | vai->ppc32_cache_line_szB = 0; |
| 648 | } |
| 649 | |
| 650 | |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 651 | /*---------------------------------------------------------------*/ |
sewardj | c0ee2ed | 2004-07-27 10:29:41 +0000 | [diff] [blame] | 652 | /*--- end main/vex_main.c ---*/ |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 653 | /*---------------------------------------------------------------*/ |