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 | dbcfae7 | 2005-08-02 11:14:04 +0000 | [diff] [blame] | 5 | /*--- Copyright (C) OpenWorks LLP. All rights reserved. ---*/ |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 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 | |
sewardj | a26d820 | 2008-02-11 11:35:40 +0000 | [diff] [blame] | 13 | Copyright (C) 2004-2008 OpenWorks LLP. All rights reserved. |
sewardj | f8ed9d8 | 2004-11-12 17:40:23 +0000 | [diff] [blame] | 14 | |
sewardj | 7bd6ffe | 2005-08-03 16:07:36 +0000 | [diff] [blame] | 15 | This library is made available under a dual licensing scheme. |
sewardj | f8ed9d8 | 2004-11-12 17:40:23 +0000 | [diff] [blame] | 16 | |
sewardj | 7bd6ffe | 2005-08-03 16:07:36 +0000 | [diff] [blame] | 17 | If you link LibVEX against other code all of which is itself |
| 18 | licensed under the GNU General Public License, version 2 dated June |
| 19 | 1991 ("GPL v2"), then you may use LibVEX under the terms of the GPL |
| 20 | v2, as appearing in the file LICENSE.GPL. If the file LICENSE.GPL |
| 21 | is missing, you can obtain a copy of the GPL v2 from the Free |
| 22 | Software Foundation Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 23 | 02110-1301, USA. |
| 24 | |
| 25 | For any other uses of LibVEX, you must first obtain a commercial |
| 26 | license from OpenWorks LLP. Please contact info@open-works.co.uk |
| 27 | for information about commercial licensing. |
| 28 | |
| 29 | This software is provided by OpenWorks LLP "as is" and any express |
| 30 | or implied warranties, including, but not limited to, the implied |
| 31 | warranties of merchantability and fitness for a particular purpose |
| 32 | are disclaimed. In no event shall OpenWorks LLP be liable for any |
| 33 | direct, indirect, incidental, special, exemplary, or consequential |
| 34 | damages (including, but not limited to, procurement of substitute |
| 35 | goods or services; loss of use, data, or profits; or business |
| 36 | interruption) however caused and on any theory of liability, |
| 37 | whether in contract, strict liability, or tort (including |
| 38 | negligence or otherwise) arising in any way out of the use of this |
| 39 | software, even if advised of the possibility of such damage. |
sewardj | f8ed9d8 | 2004-11-12 17:40:23 +0000 | [diff] [blame] | 40 | |
| 41 | Neither the names of the U.S. Department of Energy nor the |
| 42 | University of California nor the names of its contributors may be |
| 43 | used to endorse or promote products derived from this software |
| 44 | without prior written permission. |
sewardj | f8ed9d8 | 2004-11-12 17:40:23 +0000 | [diff] [blame] | 45 | */ |
| 46 | |
sewardj | 887a11a | 2004-07-05 17:26:47 +0000 | [diff] [blame] | 47 | #include "libvex.h" |
sewardj | 893aada | 2004-11-29 19:57:54 +0000 | [diff] [blame] | 48 | #include "libvex_emwarn.h" |
sewardj | 81ec418 | 2004-10-25 23:15:52 +0000 | [diff] [blame] | 49 | #include "libvex_guest_x86.h" |
sewardj | 44d494d | 2005-01-20 20:26:33 +0000 | [diff] [blame] | 50 | #include "libvex_guest_amd64.h" |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 51 | #include "libvex_guest_arm.h" |
cerion | aabdfbf | 2005-01-29 12:56:15 +0000 | [diff] [blame] | 52 | #include "libvex_guest_ppc32.h" |
cerion | f0de28c | 2005-12-13 20:21:11 +0000 | [diff] [blame] | 53 | #include "libvex_guest_ppc64.h" |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 54 | |
sewardj | c0ee2ed | 2004-07-27 10:29:41 +0000 | [diff] [blame] | 55 | #include "main/vex_globals.h" |
| 56 | #include "main/vex_util.h" |
| 57 | #include "host-generic/h_generic_regs.h" |
sewardj | edf4d69 | 2004-08-17 13:52:58 +0000 | [diff] [blame] | 58 | #include "ir/iropt.h" |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 59 | |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 60 | #include "host-x86/hdefs.h" |
sewardj | c33671d | 2005-02-01 20:30:00 +0000 | [diff] [blame] | 61 | #include "host-amd64/hdefs.h" |
cerion | d0eae2d | 2005-12-23 11:43:01 +0000 | [diff] [blame] | 62 | #include "host-ppc/hdefs.h" |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 63 | |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 64 | #include "guest-generic/bb_to_IR.h" |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 65 | #include "guest-x86/gdefs.h" |
sewardj | 44d494d | 2005-01-20 20:26:33 +0000 | [diff] [blame] | 66 | #include "guest-amd64/gdefs.h" |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 67 | #include "guest-arm/gdefs.h" |
cerion | d0eae2d | 2005-12-23 11:43:01 +0000 | [diff] [blame] | 68 | #include "guest-ppc/gdefs.h" |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 69 | |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 70 | |
| 71 | /* This file contains the top level interface to the library. */ |
| 72 | |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 73 | /* --------- fwds ... --------- */ |
| 74 | |
| 75 | static Bool are_valid_hwcaps ( VexArch arch, UInt hwcaps ); |
| 76 | static HChar* show_hwcaps ( VexArch arch, UInt hwcaps ); |
| 77 | |
| 78 | |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 79 | /* --------- Initialise the library. --------- */ |
| 80 | |
| 81 | /* Exported to library client. */ |
| 82 | |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 83 | const HChar* LibVEX_Version ( void ) |
sewardj | 80f5fce | 2004-12-20 04:37:50 +0000 | [diff] [blame] | 84 | { |
| 85 | return |
| 86 | #include "main/vex_svnversion.h" |
| 87 | ; |
| 88 | } |
| 89 | |
| 90 | |
| 91 | /* Exported to library client. */ |
| 92 | |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 93 | void LibVEX_default_VexControl ( /*OUT*/ VexControl* vcon ) |
| 94 | { |
| 95 | vcon->iropt_verbosity = 0; |
| 96 | vcon->iropt_level = 2; |
| 97 | vcon->iropt_precise_memory_exns = False; |
| 98 | vcon->iropt_unroll_thresh = 120; |
sewardj | 18b4bb7 | 2005-03-29 21:32:41 +0000 | [diff] [blame] | 99 | vcon->guest_max_insns = 60; |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 100 | vcon->guest_chase_thresh = 10; |
| 101 | } |
| 102 | |
| 103 | |
| 104 | /* Exported to library client. */ |
| 105 | |
sewardj | 887a11a | 2004-07-05 17:26:47 +0000 | [diff] [blame] | 106 | void LibVEX_Init ( |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 107 | /* failure exit function */ |
sewardj | 2b51587 | 2004-07-05 20:50:45 +0000 | [diff] [blame] | 108 | __attribute__ ((noreturn)) |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 109 | void (*failure_exit) ( void ), |
| 110 | /* logging output function */ |
sewardj | d976362 | 2005-02-07 03:12:19 +0000 | [diff] [blame] | 111 | void (*log_bytes) ( HChar*, Int nbytes ), |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 112 | /* debug paranoia level */ |
| 113 | Int debuglevel, |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 114 | /* Are we supporting valgrind checking? */ |
| 115 | Bool valgrind_support, |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 116 | /* Control ... */ |
| 117 | /*READONLY*/VexControl* vcon |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 118 | ) |
| 119 | { |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 120 | /* First off, do enough minimal setup so that the following |
| 121 | assertions can fail in a sane fashion, if need be. */ |
sewardj | ea602bc | 2004-10-14 21:40:12 +0000 | [diff] [blame] | 122 | vex_failure_exit = failure_exit; |
| 123 | vex_log_bytes = log_bytes; |
| 124 | |
| 125 | /* Now it's safe to check parameters for sanity. */ |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 126 | vassert(!vex_initdone); |
| 127 | vassert(failure_exit); |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 128 | vassert(log_bytes); |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 129 | vassert(debuglevel >= 0); |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 130 | |
| 131 | vassert(vcon->iropt_verbosity >= 0); |
| 132 | vassert(vcon->iropt_level >= 0); |
| 133 | vassert(vcon->iropt_level <= 2); |
| 134 | vassert(vcon->iropt_unroll_thresh >= 0); |
| 135 | vassert(vcon->iropt_unroll_thresh <= 400); |
| 136 | vassert(vcon->guest_max_insns >= 1); |
| 137 | vassert(vcon->guest_max_insns <= 100); |
| 138 | vassert(vcon->guest_chase_thresh >= 0); |
| 139 | vassert(vcon->guest_chase_thresh < vcon->guest_max_insns); |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 140 | |
sewardj | ea602bc | 2004-10-14 21:40:12 +0000 | [diff] [blame] | 141 | /* Check that Vex has been built with sizes of basic types as |
| 142 | stated in priv/libvex_basictypes.h. Failure of any of these is |
| 143 | a serious configuration error and should be corrected |
| 144 | immediately. If any of these assertions fail you can fully |
| 145 | expect Vex not to work properly, if at all. */ |
| 146 | |
| 147 | vassert(1 == sizeof(UChar)); |
| 148 | vassert(1 == sizeof(Char)); |
| 149 | vassert(2 == sizeof(UShort)); |
| 150 | vassert(2 == sizeof(Short)); |
| 151 | vassert(4 == sizeof(UInt)); |
| 152 | vassert(4 == sizeof(Int)); |
| 153 | vassert(8 == sizeof(ULong)); |
| 154 | vassert(8 == sizeof(Long)); |
| 155 | vassert(4 == sizeof(Float)); |
| 156 | vassert(8 == sizeof(Double)); |
| 157 | vassert(1 == sizeof(Bool)); |
| 158 | vassert(4 == sizeof(Addr32)); |
| 159 | vassert(8 == sizeof(Addr64)); |
sewardj | c9a4366 | 2004-11-30 18:51:59 +0000 | [diff] [blame] | 160 | vassert(16 == sizeof(U128)); |
sewardj | ea602bc | 2004-10-14 21:40:12 +0000 | [diff] [blame] | 161 | |
| 162 | vassert(sizeof(void*) == 4 || sizeof(void*) == 8); |
| 163 | vassert(sizeof(void*) == sizeof(int*)); |
| 164 | vassert(sizeof(void*) == sizeof(HWord)); |
| 165 | |
sewardj | 97e8793 | 2005-02-07 00:00:50 +0000 | [diff] [blame] | 166 | vassert(VEX_HOST_WORDSIZE == sizeof(void*)); |
| 167 | vassert(VEX_HOST_WORDSIZE == sizeof(HWord)); |
| 168 | |
sewardj | ea602bc | 2004-10-14 21:40:12 +0000 | [diff] [blame] | 169 | /* Really start up .. */ |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 170 | vex_debuglevel = debuglevel; |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 171 | vex_valgrind_support = valgrind_support; |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 172 | vex_control = *vcon; |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 173 | vex_initdone = True; |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 174 | vexSetAllocMode ( VexAllocModeTEMP ); |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 175 | } |
| 176 | |
| 177 | |
| 178 | /* --------- Make a translation. --------- */ |
| 179 | |
| 180 | /* Exported to library client. */ |
| 181 | |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 182 | VexTranslateResult LibVEX_Translate ( VexTranslateArgs* vta ) |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 183 | { |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 184 | /* This the bundle of functions we need to do the back-end stuff |
| 185 | (insn selection, reg-alloc, assembly) whilst being insulated |
| 186 | from the target instruction set. */ |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 187 | HReg* available_real_regs; |
| 188 | Int n_available_real_regs; |
sewardj | fb7373a | 2007-08-25 21:29:03 +0000 | [diff] [blame] | 189 | Bool (*isMove) ( HInstr*, HReg*, HReg* ); |
| 190 | void (*getRegUsage) ( HRegUsage*, HInstr*, Bool ); |
| 191 | void (*mapRegs) ( HRegRemap*, HInstr*, Bool ); |
| 192 | HInstr* (*genSpill) ( HReg, Int, Bool ); |
| 193 | HInstr* (*genReload) ( HReg, Int, Bool ); |
| 194 | HInstr* (*directReload) ( HInstr*, HReg, Short ); |
| 195 | void (*ppInstr) ( HInstr*, Bool ); |
| 196 | void (*ppReg) ( HReg ); |
| 197 | HInstrArray* (*iselSB) ( IRSB*, VexArch, VexArchInfo*, |
| 198 | VexAbiInfo* ); |
| 199 | Int (*emit) ( UChar*, Int, HInstr*, Bool, void* ); |
| 200 | IRExpr* (*specHelper) ( HChar*, IRExpr** ); |
sewardj | 8d2291c | 2004-10-25 14:50:21 +0000 | [diff] [blame] | 201 | Bool (*preciseMemExnsFn) ( Int, Int ); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 202 | |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 203 | DisOneInstrFn disInstrFn; |
| 204 | |
sewardj | eeac841 | 2004-11-02 00:26:55 +0000 | [diff] [blame] | 205 | VexGuestLayout* guest_layout; |
| 206 | Bool host_is_bigendian = False; |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 207 | IRSB* irsb; |
sewardj | eeac841 | 2004-11-02 00:26:55 +0000 | [diff] [blame] | 208 | HInstrArray* vcode; |
| 209 | HInstrArray* rcode; |
| 210 | Int i, j, k, out_used, guest_sizeB; |
sewardj | c716aea | 2006-01-17 01:48:46 +0000 | [diff] [blame] | 211 | Int offB_TISTART, offB_TILEN; |
sewardj | eeac841 | 2004-11-02 00:26:55 +0000 | [diff] [blame] | 212 | UChar insn_bytes[32]; |
sewardj | cf78790 | 2004-11-03 09:08:33 +0000 | [diff] [blame] | 213 | IRType guest_word_type; |
| 214 | IRType host_word_type; |
cerion | 92b6436 | 2005-12-13 12:02:26 +0000 | [diff] [blame] | 215 | Bool mode64; |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 216 | |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame] | 217 | guest_layout = NULL; |
sewardj | 36ca513 | 2004-07-24 13:12:23 +0000 | [diff] [blame] | 218 | available_real_regs = NULL; |
| 219 | n_available_real_regs = 0; |
| 220 | isMove = NULL; |
| 221 | getRegUsage = NULL; |
| 222 | mapRegs = NULL; |
| 223 | genSpill = NULL; |
| 224 | genReload = NULL; |
sewardj | fb7373a | 2007-08-25 21:29:03 +0000 | [diff] [blame] | 225 | directReload = NULL; |
sewardj | 36ca513 | 2004-07-24 13:12:23 +0000 | [diff] [blame] | 226 | ppInstr = NULL; |
| 227 | ppReg = NULL; |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 228 | iselSB = NULL; |
sewardj | 36ca513 | 2004-07-24 13:12:23 +0000 | [diff] [blame] | 229 | emit = NULL; |
sewardj | 84ff065 | 2004-08-23 16:16:08 +0000 | [diff] [blame] | 230 | specHelper = NULL; |
sewardj | 8d2291c | 2004-10-25 14:50:21 +0000 | [diff] [blame] | 231 | preciseMemExnsFn = NULL; |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 232 | disInstrFn = NULL; |
sewardj | cf78790 | 2004-11-03 09:08:33 +0000 | [diff] [blame] | 233 | guest_word_type = Ity_INVALID; |
| 234 | host_word_type = Ity_INVALID; |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame] | 235 | offB_TISTART = 0; |
| 236 | offB_TILEN = 0; |
cerion | 92b6436 | 2005-12-13 12:02:26 +0000 | [diff] [blame] | 237 | mode64 = False; |
sewardj | 36ca513 | 2004-07-24 13:12:23 +0000 | [diff] [blame] | 238 | |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 239 | vex_traceflags = vta->traceflags; |
sewardj | 58800ff | 2004-07-28 01:51:10 +0000 | [diff] [blame] | 240 | |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 241 | vassert(vex_initdone); |
sewardj | 2d6b14a | 2005-11-23 04:25:07 +0000 | [diff] [blame] | 242 | vexSetAllocModeTEMP_and_clear(); |
| 243 | vexAllocSanityCheck(); |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 244 | |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 245 | /* First off, check that the guest and host insn sets |
| 246 | are supported. */ |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 247 | |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 248 | switch (vta->arch_host) { |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 249 | |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 250 | case VexArchX86: |
sewardj | fb7373a | 2007-08-25 21:29:03 +0000 | [diff] [blame] | 251 | mode64 = False; |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 252 | getAllocableRegs_X86 ( &n_available_real_regs, |
| 253 | &available_real_regs ); |
sewardj | fb7373a | 2007-08-25 21:29:03 +0000 | [diff] [blame] | 254 | isMove = (Bool(*)(HInstr*,HReg*,HReg*)) isMove_X86Instr; |
| 255 | getRegUsage = (void(*)(HRegUsage*,HInstr*, Bool)) getRegUsage_X86Instr; |
| 256 | mapRegs = (void(*)(HRegRemap*,HInstr*, Bool)) mapRegs_X86Instr; |
| 257 | genSpill = (HInstr*(*)(HReg,Int, Bool)) genSpill_X86; |
| 258 | genReload = (HInstr*(*)(HReg,Int, Bool)) genReload_X86; |
| 259 | directReload = (HInstr*(*)(HInstr*,HReg,Short)) directReload_X86; |
| 260 | ppInstr = (void(*)(HInstr*, Bool)) ppX86Instr; |
| 261 | ppReg = (void(*)(HReg)) ppHRegX86; |
| 262 | iselSB = iselSB_X86; |
| 263 | emit = (Int(*)(UChar*,Int,HInstr*,Bool,void*)) emit_X86Instr; |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 264 | host_is_bigendian = False; |
sewardj | cf78790 | 2004-11-03 09:08:33 +0000 | [diff] [blame] | 265 | host_word_type = Ity_I32; |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 266 | vassert(are_valid_hwcaps(VexArchX86, vta->archinfo_host.hwcaps)); |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 267 | vassert(vta->dispatch != NULL); /* jump-to-dispatcher scheme */ |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 268 | break; |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 269 | |
sewardj | c33671d | 2005-02-01 20:30:00 +0000 | [diff] [blame] | 270 | case VexArchAMD64: |
cerion | 92b6436 | 2005-12-13 12:02:26 +0000 | [diff] [blame] | 271 | mode64 = True; |
sewardj | c33671d | 2005-02-01 20:30:00 +0000 | [diff] [blame] | 272 | getAllocableRegs_AMD64 ( &n_available_real_regs, |
| 273 | &available_real_regs ); |
| 274 | isMove = (Bool(*)(HInstr*,HReg*,HReg*)) isMove_AMD64Instr; |
cerion | 92b6436 | 2005-12-13 12:02:26 +0000 | [diff] [blame] | 275 | getRegUsage = (void(*)(HRegUsage*,HInstr*, Bool)) getRegUsage_AMD64Instr; |
| 276 | mapRegs = (void(*)(HRegRemap*,HInstr*, Bool)) mapRegs_AMD64Instr; |
| 277 | genSpill = (HInstr*(*)(HReg,Int, Bool)) genSpill_AMD64; |
| 278 | genReload = (HInstr*(*)(HReg,Int, Bool)) genReload_AMD64; |
| 279 | ppInstr = (void(*)(HInstr*, Bool)) ppAMD64Instr; |
sewardj | c33671d | 2005-02-01 20:30:00 +0000 | [diff] [blame] | 280 | ppReg = (void(*)(HReg)) ppHRegAMD64; |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 281 | iselSB = iselSB_AMD64; |
sewardj | 0528bb5 | 2005-12-15 15:45:20 +0000 | [diff] [blame] | 282 | emit = (Int(*)(UChar*,Int,HInstr*,Bool,void*)) emit_AMD64Instr; |
sewardj | c33671d | 2005-02-01 20:30:00 +0000 | [diff] [blame] | 283 | host_is_bigendian = False; |
| 284 | host_word_type = Ity_I64; |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 285 | vassert(are_valid_hwcaps(VexArchAMD64, vta->archinfo_host.hwcaps)); |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 286 | vassert(vta->dispatch != NULL); /* jump-to-dispatcher scheme */ |
sewardj | c33671d | 2005-02-01 20:30:00 +0000 | [diff] [blame] | 287 | break; |
| 288 | |
cerion | 487e4c9 | 2005-02-04 16:28:19 +0000 | [diff] [blame] | 289 | case VexArchPPC32: |
cerion | 92b6436 | 2005-12-13 12:02:26 +0000 | [diff] [blame] | 290 | mode64 = False; |
cerion | 5b2325f | 2005-12-23 00:55:09 +0000 | [diff] [blame] | 291 | getAllocableRegs_PPC ( &n_available_real_regs, |
| 292 | &available_real_regs, mode64 ); |
| 293 | isMove = (Bool(*)(HInstr*,HReg*,HReg*)) isMove_PPCInstr; |
| 294 | getRegUsage = (void(*)(HRegUsage*,HInstr*,Bool)) getRegUsage_PPCInstr; |
| 295 | mapRegs = (void(*)(HRegRemap*,HInstr*,Bool)) mapRegs_PPCInstr; |
| 296 | genSpill = (HInstr*(*)(HReg,Int,Bool)) genSpill_PPC; |
| 297 | genReload = (HInstr*(*)(HReg,Int,Bool)) genReload_PPC; |
| 298 | ppInstr = (void(*)(HInstr*,Bool)) ppPPCInstr; |
| 299 | ppReg = (void(*)(HReg)) ppHRegPPC; |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 300 | iselSB = iselSB_PPC; |
cerion | 5b2325f | 2005-12-23 00:55:09 +0000 | [diff] [blame] | 301 | emit = (Int(*)(UChar*,Int,HInstr*,Bool,void*)) emit_PPCInstr; |
cerion | 487e4c9 | 2005-02-04 16:28:19 +0000 | [diff] [blame] | 302 | host_is_bigendian = True; |
| 303 | host_word_type = Ity_I32; |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 304 | vassert(are_valid_hwcaps(VexArchPPC32, vta->archinfo_host.hwcaps)); |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 305 | vassert(vta->dispatch == NULL); /* return-to-dispatcher scheme */ |
cerion | 487e4c9 | 2005-02-04 16:28:19 +0000 | [diff] [blame] | 306 | break; |
| 307 | |
cerion | f0de28c | 2005-12-13 20:21:11 +0000 | [diff] [blame] | 308 | case VexArchPPC64: |
| 309 | mode64 = True; |
cerion | 5b2325f | 2005-12-23 00:55:09 +0000 | [diff] [blame] | 310 | getAllocableRegs_PPC ( &n_available_real_regs, |
| 311 | &available_real_regs, mode64 ); |
| 312 | isMove = (Bool(*)(HInstr*,HReg*,HReg*)) isMove_PPCInstr; |
| 313 | getRegUsage = (void(*)(HRegUsage*,HInstr*, Bool)) getRegUsage_PPCInstr; |
| 314 | mapRegs = (void(*)(HRegRemap*,HInstr*, Bool)) mapRegs_PPCInstr; |
| 315 | genSpill = (HInstr*(*)(HReg,Int, Bool)) genSpill_PPC; |
| 316 | genReload = (HInstr*(*)(HReg,Int, Bool)) genReload_PPC; |
| 317 | ppInstr = (void(*)(HInstr*, Bool)) ppPPCInstr; |
| 318 | ppReg = (void(*)(HReg)) ppHRegPPC; |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 319 | iselSB = iselSB_PPC; |
cerion | 5b2325f | 2005-12-23 00:55:09 +0000 | [diff] [blame] | 320 | emit = (Int(*)(UChar*,Int,HInstr*,Bool,void*)) emit_PPCInstr; |
cerion | f0de28c | 2005-12-13 20:21:11 +0000 | [diff] [blame] | 321 | host_is_bigendian = True; |
| 322 | host_word_type = Ity_I64; |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 323 | vassert(are_valid_hwcaps(VexArchPPC64, vta->archinfo_host.hwcaps)); |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 324 | vassert(vta->dispatch == NULL); /* return-to-dispatcher scheme */ |
cerion | f0de28c | 2005-12-13 20:21:11 +0000 | [diff] [blame] | 325 | break; |
| 326 | |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 327 | default: |
sewardj | 887a11a | 2004-07-05 17:26:47 +0000 | [diff] [blame] | 328 | vpanic("LibVEX_Translate: unsupported target insn set"); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 329 | } |
| 330 | |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 331 | |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 332 | switch (vta->arch_guest) { |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 333 | |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 334 | case VexArchX86: |
sewardj | 8d2291c | 2004-10-25 14:50:21 +0000 | [diff] [blame] | 335 | preciseMemExnsFn = guest_x86_state_requires_precise_mem_exns; |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 336 | disInstrFn = disInstr_X86; |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 337 | specHelper = guest_x86_spechelper; |
sewardj | 81ec418 | 2004-10-25 23:15:52 +0000 | [diff] [blame] | 338 | guest_sizeB = sizeof(VexGuestX86State); |
sewardj | cf78790 | 2004-11-03 09:08:33 +0000 | [diff] [blame] | 339 | guest_word_type = Ity_I32; |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame] | 340 | guest_layout = &x86guest_layout; |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame] | 341 | offB_TISTART = offsetof(VexGuestX86State,guest_TISTART); |
| 342 | offB_TILEN = offsetof(VexGuestX86State,guest_TILEN); |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 343 | vassert(are_valid_hwcaps(VexArchX86, vta->archinfo_guest.hwcaps)); |
sewardj | e74f6f7 | 2005-08-05 02:55:36 +0000 | [diff] [blame] | 344 | vassert(0 == sizeof(VexGuestX86State) % 8); |
sewardj | ce02aa7 | 2006-01-12 12:27:58 +0000 | [diff] [blame] | 345 | vassert(sizeof( ((VexGuestX86State*)0)->guest_TISTART) == 4); |
| 346 | vassert(sizeof( ((VexGuestX86State*)0)->guest_TILEN ) == 4); |
| 347 | vassert(sizeof( ((VexGuestX86State*)0)->guest_NRADDR ) == 4); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 348 | break; |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 349 | |
sewardj | 44d494d | 2005-01-20 20:26:33 +0000 | [diff] [blame] | 350 | case VexArchAMD64: |
| 351 | preciseMemExnsFn = guest_amd64_state_requires_precise_mem_exns; |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 352 | disInstrFn = disInstr_AMD64; |
sewardj | 44d494d | 2005-01-20 20:26:33 +0000 | [diff] [blame] | 353 | specHelper = guest_amd64_spechelper; |
| 354 | guest_sizeB = sizeof(VexGuestAMD64State); |
| 355 | guest_word_type = Ity_I64; |
| 356 | guest_layout = &amd64guest_layout; |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame] | 357 | offB_TISTART = offsetof(VexGuestAMD64State,guest_TISTART); |
| 358 | offB_TILEN = offsetof(VexGuestAMD64State,guest_TILEN); |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 359 | vassert(are_valid_hwcaps(VexArchAMD64, vta->archinfo_guest.hwcaps)); |
sewardj | e74f6f7 | 2005-08-05 02:55:36 +0000 | [diff] [blame] | 360 | vassert(0 == sizeof(VexGuestAMD64State) % 8); |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame] | 361 | vassert(sizeof( ((VexGuestAMD64State*)0)->guest_TISTART ) == 8); |
sewardj | ce02aa7 | 2006-01-12 12:27:58 +0000 | [diff] [blame] | 362 | vassert(sizeof( ((VexGuestAMD64State*)0)->guest_TILEN ) == 8); |
| 363 | vassert(sizeof( ((VexGuestAMD64State*)0)->guest_NRADDR ) == 8); |
sewardj | 44d494d | 2005-01-20 20:26:33 +0000 | [diff] [blame] | 364 | break; |
| 365 | |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 366 | case VexArchARM: |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 367 | preciseMemExnsFn = guest_arm_state_requires_precise_mem_exns; |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 368 | disInstrFn = NULL; /* HACK */ |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 369 | specHelper = guest_arm_spechelper; |
| 370 | guest_sizeB = sizeof(VexGuestARMState); |
| 371 | guest_word_type = Ity_I32; |
| 372 | guest_layout = &armGuest_layout; |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame] | 373 | offB_TISTART = 0; /* hack ... arm has bitrot */ |
| 374 | offB_TILEN = 0; /* hack ... arm has bitrot */ |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 375 | vassert(are_valid_hwcaps(VexArchARM, vta->archinfo_guest.hwcaps)); |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 376 | break; |
| 377 | |
cerion | aabdfbf | 2005-01-29 12:56:15 +0000 | [diff] [blame] | 378 | case VexArchPPC32: |
| 379 | preciseMemExnsFn = guest_ppc32_state_requires_precise_mem_exns; |
cerion | 5b2325f | 2005-12-23 00:55:09 +0000 | [diff] [blame] | 380 | disInstrFn = disInstr_PPC; |
cerion | aabdfbf | 2005-01-29 12:56:15 +0000 | [diff] [blame] | 381 | specHelper = guest_ppc32_spechelper; |
| 382 | guest_sizeB = sizeof(VexGuestPPC32State); |
| 383 | guest_word_type = Ity_I32; |
| 384 | guest_layout = &ppc32Guest_layout; |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame] | 385 | offB_TISTART = offsetof(VexGuestPPC32State,guest_TISTART); |
| 386 | offB_TILEN = offsetof(VexGuestPPC32State,guest_TILEN); |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 387 | vassert(are_valid_hwcaps(VexArchPPC32, vta->archinfo_guest.hwcaps)); |
sewardj | e74f6f7 | 2005-08-05 02:55:36 +0000 | [diff] [blame] | 388 | vassert(0 == sizeof(VexGuestPPC32State) % 8); |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame] | 389 | vassert(sizeof( ((VexGuestPPC32State*)0)->guest_TISTART ) == 4); |
sewardj | ce02aa7 | 2006-01-12 12:27:58 +0000 | [diff] [blame] | 390 | vassert(sizeof( ((VexGuestPPC32State*)0)->guest_TILEN ) == 4); |
| 391 | vassert(sizeof( ((VexGuestPPC32State*)0)->guest_NRADDR ) == 4); |
cerion | aabdfbf | 2005-01-29 12:56:15 +0000 | [diff] [blame] | 392 | break; |
| 393 | |
cerion | f0de28c | 2005-12-13 20:21:11 +0000 | [diff] [blame] | 394 | case VexArchPPC64: |
| 395 | preciseMemExnsFn = guest_ppc64_state_requires_precise_mem_exns; |
cerion | 5b2325f | 2005-12-23 00:55:09 +0000 | [diff] [blame] | 396 | disInstrFn = disInstr_PPC; |
cerion | f0de28c | 2005-12-13 20:21:11 +0000 | [diff] [blame] | 397 | specHelper = guest_ppc64_spechelper; |
| 398 | guest_sizeB = sizeof(VexGuestPPC64State); |
| 399 | guest_word_type = Ity_I64; |
| 400 | guest_layout = &ppc64Guest_layout; |
| 401 | offB_TISTART = offsetof(VexGuestPPC64State,guest_TISTART); |
| 402 | offB_TILEN = offsetof(VexGuestPPC64State,guest_TILEN); |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 403 | vassert(are_valid_hwcaps(VexArchPPC64, vta->archinfo_guest.hwcaps)); |
cerion | f0de28c | 2005-12-13 20:21:11 +0000 | [diff] [blame] | 404 | vassert(0 == sizeof(VexGuestPPC64State) % 16); |
sewardj | 3fd3967 | 2006-01-27 22:05:55 +0000 | [diff] [blame] | 405 | vassert(sizeof( ((VexGuestPPC64State*)0)->guest_TISTART ) == 8); |
| 406 | vassert(sizeof( ((VexGuestPPC64State*)0)->guest_TILEN ) == 8); |
| 407 | vassert(sizeof( ((VexGuestPPC64State*)0)->guest_NRADDR ) == 8); |
| 408 | vassert(sizeof( ((VexGuestPPC64State*)0)->guest_NRADDR_GPR2) == 8); |
cerion | f0de28c | 2005-12-13 20:21:11 +0000 | [diff] [blame] | 409 | break; |
| 410 | |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 411 | default: |
sewardj | 887a11a | 2004-07-05 17:26:47 +0000 | [diff] [blame] | 412 | vpanic("LibVEX_Translate: unsupported guest insn set"); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 413 | } |
| 414 | |
sewardj | 9df271d | 2004-12-31 22:37:42 +0000 | [diff] [blame] | 415 | /* yet more sanity checks ... */ |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 416 | if (vta->arch_guest == vta->arch_host) { |
sewardj | 9df271d | 2004-12-31 22:37:42 +0000 | [diff] [blame] | 417 | /* 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] | 418 | we are simulating one flavour of an architecture a different |
| 419 | flavour of the same architecture, which is pretty strange. */ |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 420 | vassert(vta->archinfo_guest.hwcaps == vta->archinfo_host.hwcaps); |
sewardj | 9df271d | 2004-12-31 22:37:42 +0000 | [diff] [blame] | 421 | } |
sewardj | 2a9ad02 | 2004-11-25 02:46:58 +0000 | [diff] [blame] | 422 | |
sewardj | 2d6b14a | 2005-11-23 04:25:07 +0000 | [diff] [blame] | 423 | vexAllocSanityCheck(); |
| 424 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 425 | if (vex_traceflags & VEX_TRACE_FE) |
| 426 | vex_printf("\n------------------------" |
| 427 | " Front end " |
| 428 | "------------------------\n\n"); |
| 429 | |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 430 | irsb = bb_to_IR ( vta->guest_extents, |
sewardj | c716aea | 2006-01-17 01:48:46 +0000 | [diff] [blame] | 431 | vta->callback_opaque, |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 432 | disInstrFn, |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 433 | vta->guest_bytes, |
| 434 | vta->guest_bytes_addr, |
| 435 | vta->chase_into_ok, |
sewardj | 9e6491a | 2005-07-02 19:24:10 +0000 | [diff] [blame] | 436 | host_is_bigendian, |
sewardj | a5f55da | 2006-04-30 23:37:32 +0000 | [diff] [blame] | 437 | vta->arch_guest, |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 438 | &vta->archinfo_guest, |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 439 | &vta->abiinfo_both, |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame] | 440 | guest_word_type, |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 441 | vta->do_self_check, |
sewardj | c716aea | 2006-01-17 01:48:46 +0000 | [diff] [blame] | 442 | vta->preamble_function, |
sewardj | db4738a | 2005-07-07 01:32:16 +0000 | [diff] [blame] | 443 | offB_TISTART, |
sewardj | c716aea | 2006-01-17 01:48:46 +0000 | [diff] [blame] | 444 | offB_TILEN ); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 445 | |
sewardj | 2d6b14a | 2005-11-23 04:25:07 +0000 | [diff] [blame] | 446 | vexAllocSanityCheck(); |
| 447 | |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 448 | if (irsb == NULL) { |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 449 | /* Access failure. */ |
sewardj | 2d6b14a | 2005-11-23 04:25:07 +0000 | [diff] [blame] | 450 | vexSetAllocModeTEMP_and_clear(); |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 451 | vex_traceflags = 0; |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 452 | return VexTransAccessFail; |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 453 | } |
sewardj | aa59f94 | 2004-10-09 09:34:36 +0000 | [diff] [blame] | 454 | |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 455 | vassert(vta->guest_extents->n_used >= 1 && vta->guest_extents->n_used <= 3); |
| 456 | vassert(vta->guest_extents->base[0] == vta->guest_bytes_addr); |
| 457 | for (i = 0; i < vta->guest_extents->n_used; i++) { |
| 458 | vassert(vta->guest_extents->len[i] < 10000); /* sanity */ |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 459 | } |
| 460 | |
sewardj | aa59f94 | 2004-10-09 09:34:36 +0000 | [diff] [blame] | 461 | /* If debugging, show the raw guest bytes for this bb. */ |
sewardj | 109ffdb | 2004-12-10 21:45:38 +0000 | [diff] [blame] | 462 | if (0 || (vex_traceflags & VEX_TRACE_FE)) { |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 463 | if (vta->guest_extents->n_used > 1) { |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 464 | vex_printf("can't show code due to extents > 1\n"); |
| 465 | } else { |
| 466 | /* HACK */ |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 467 | UChar* p = (UChar*)vta->guest_bytes; |
| 468 | UInt guest_bytes_read = (UInt)vta->guest_extents->len[0]; |
| 469 | vex_printf(". 0 %llx %u\n.", vta->guest_bytes_addr, guest_bytes_read ); |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 470 | for (i = 0; i < guest_bytes_read; i++) |
cerion | f0de28c | 2005-12-13 20:21:11 +0000 | [diff] [blame] | 471 | vex_printf(" %02x", (Int)p[i] ); |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 472 | vex_printf("\n\n"); |
| 473 | } |
sewardj | aa59f94 | 2004-10-09 09:34:36 +0000 | [diff] [blame] | 474 | } |
| 475 | |
| 476 | /* Sanity check the initial IR. */ |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 477 | sanityCheckIRSB( irsb, "initial IR", |
sewardj | b923075 | 2004-12-29 19:25:06 +0000 | [diff] [blame] | 478 | False/*can be non-flat*/, guest_word_type ); |
sewardj | e8e9d73 | 2004-07-16 21:03:45 +0000 | [diff] [blame] | 479 | |
sewardj | 2d6b14a | 2005-11-23 04:25:07 +0000 | [diff] [blame] | 480 | vexAllocSanityCheck(); |
| 481 | |
sewardj | edf4d69 | 2004-08-17 13:52:58 +0000 | [diff] [blame] | 482 | /* Clean it up, hopefully a lot. */ |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 483 | irsb = do_iropt_BB ( irsb, specHelper, preciseMemExnsFn, |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 484 | vta->guest_bytes_addr ); |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 485 | sanityCheckIRSB( irsb, "after initial iropt", |
sewardj | b923075 | 2004-12-29 19:25:06 +0000 | [diff] [blame] | 486 | True/*must be flat*/, guest_word_type ); |
sewardj | edf4d69 | 2004-08-17 13:52:58 +0000 | [diff] [blame] | 487 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 488 | if (vex_traceflags & VEX_TRACE_OPT1) { |
| 489 | vex_printf("\n------------------------" |
| 490 | " After pre-instr IR optimisation " |
| 491 | "------------------------\n\n"); |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 492 | ppIRSB ( irsb ); |
sewardj | edf4d69 | 2004-08-17 13:52:58 +0000 | [diff] [blame] | 493 | vex_printf("\n"); |
| 494 | } |
| 495 | |
sewardj | 2d6b14a | 2005-11-23 04:25:07 +0000 | [diff] [blame] | 496 | vexAllocSanityCheck(); |
| 497 | |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 498 | /* Get the thing instrumented. */ |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 499 | if (vta->instrument1) |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 500 | irsb = vta->instrument1(vta->callback_opaque, |
| 501 | irsb, guest_layout, |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 502 | vta->guest_extents, |
| 503 | guest_word_type, host_word_type); |
sewardj | 2d6b14a | 2005-11-23 04:25:07 +0000 | [diff] [blame] | 504 | vexAllocSanityCheck(); |
| 505 | |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 506 | if (vta->instrument2) |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 507 | irsb = vta->instrument2(vta->callback_opaque, |
| 508 | irsb, guest_layout, |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 509 | vta->guest_extents, |
| 510 | guest_word_type, host_word_type); |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame] | 511 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 512 | if (vex_traceflags & VEX_TRACE_INST) { |
| 513 | vex_printf("\n------------------------" |
| 514 | " After instrumentation " |
| 515 | "------------------------\n\n"); |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 516 | ppIRSB ( irsb ); |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 517 | vex_printf("\n"); |
| 518 | } |
| 519 | |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 520 | if (vta->instrument1 || vta->instrument2) |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 521 | sanityCheckIRSB( irsb, "after instrumentation", |
sewardj | b923075 | 2004-12-29 19:25:06 +0000 | [diff] [blame] | 522 | True/*must be flat*/, guest_word_type ); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 523 | |
sewardj | 9578a8b | 2004-11-04 19:44:48 +0000 | [diff] [blame] | 524 | /* Do a post-instrumentation cleanup pass. */ |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 525 | if (vta->instrument1 || vta->instrument2) { |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 526 | do_deadcode_BB( irsb ); |
| 527 | irsb = cprop_BB( irsb ); |
| 528 | do_deadcode_BB( irsb ); |
| 529 | sanityCheckIRSB( irsb, "after post-instrumentation cleanup", |
sewardj | b923075 | 2004-12-29 19:25:06 +0000 | [diff] [blame] | 530 | True/*must be flat*/, guest_word_type ); |
sewardj | 9578a8b | 2004-11-04 19:44:48 +0000 | [diff] [blame] | 531 | } |
| 532 | |
sewardj | 2d6b14a | 2005-11-23 04:25:07 +0000 | [diff] [blame] | 533 | vexAllocSanityCheck(); |
| 534 | |
sewardj | 9578a8b | 2004-11-04 19:44:48 +0000 | [diff] [blame] | 535 | if (vex_traceflags & VEX_TRACE_OPT2) { |
| 536 | vex_printf("\n------------------------" |
| 537 | " After post-instr IR optimisation " |
| 538 | "------------------------\n\n"); |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 539 | ppIRSB ( irsb ); |
sewardj | 9578a8b | 2004-11-04 19:44:48 +0000 | [diff] [blame] | 540 | vex_printf("\n"); |
| 541 | } |
| 542 | |
sewardj | f9517d0 | 2005-11-28 13:39:37 +0000 | [diff] [blame] | 543 | /* Turn it into virtual-registerised code. Build trees -- this |
| 544 | also throws away any dead bindings. */ |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 545 | ado_treebuild_BB( irsb ); |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 546 | |
sewardj | be1b6ff | 2007-08-28 06:06:27 +0000 | [diff] [blame] | 547 | if (vta->finaltidy) { |
| 548 | irsb = vta->finaltidy(irsb); |
| 549 | } |
| 550 | |
sewardj | 2d6b14a | 2005-11-23 04:25:07 +0000 | [diff] [blame] | 551 | vexAllocSanityCheck(); |
| 552 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 553 | if (vex_traceflags & VEX_TRACE_TREES) { |
| 554 | vex_printf("\n------------------------" |
| 555 | " After tree-building " |
| 556 | "------------------------\n\n"); |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 557 | ppIRSB ( irsb ); |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 558 | vex_printf("\n"); |
| 559 | } |
| 560 | |
sewardj | e908c42 | 2005-02-04 21:18:16 +0000 | [diff] [blame] | 561 | /* HACK */ |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 562 | if (0) { *(vta->host_bytes_used) = 0; return VexTransOK; } |
sewardj | e908c42 | 2005-02-04 21:18:16 +0000 | [diff] [blame] | 563 | /* end HACK */ |
sewardj | c33671d | 2005-02-01 20:30:00 +0000 | [diff] [blame] | 564 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 565 | if (vex_traceflags & VEX_TRACE_VCODE) |
| 566 | vex_printf("\n------------------------" |
| 567 | " Instruction selection " |
| 568 | "------------------------\n"); |
| 569 | |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 570 | vcode = iselSB ( irsb, vta->arch_host, &vta->archinfo_host, |
| 571 | &vta->abiinfo_both ); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 572 | |
sewardj | 2d6b14a | 2005-11-23 04:25:07 +0000 | [diff] [blame] | 573 | vexAllocSanityCheck(); |
| 574 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 575 | if (vex_traceflags & VEX_TRACE_VCODE) |
| 576 | vex_printf("\n"); |
| 577 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 578 | if (vex_traceflags & VEX_TRACE_VCODE) { |
sewardj | 1f40a0a | 2004-07-21 12:28:07 +0000 | [diff] [blame] | 579 | for (i = 0; i < vcode->arr_used; i++) { |
| 580 | vex_printf("%3d ", i); |
cerion | 92b6436 | 2005-12-13 12:02:26 +0000 | [diff] [blame] | 581 | ppInstr(vcode->arr[i], mode64); |
sewardj | 1f40a0a | 2004-07-21 12:28:07 +0000 | [diff] [blame] | 582 | vex_printf("\n"); |
| 583 | } |
sewardj | fbcaf33 | 2004-07-08 01:46:01 +0000 | [diff] [blame] | 584 | vex_printf("\n"); |
| 585 | } |
sewardj | fbcaf33 | 2004-07-08 01:46:01 +0000 | [diff] [blame] | 586 | |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 587 | /* Register allocate. */ |
| 588 | rcode = doRegisterAllocation ( vcode, available_real_regs, |
cerion | f0de28c | 2005-12-13 20:21:11 +0000 | [diff] [blame] | 589 | n_available_real_regs, |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 590 | isMove, getRegUsage, mapRegs, |
sewardj | fb7373a | 2007-08-25 21:29:03 +0000 | [diff] [blame] | 591 | genSpill, genReload, directReload, |
| 592 | guest_sizeB, |
cerion | 92b6436 | 2005-12-13 12:02:26 +0000 | [diff] [blame] | 593 | ppInstr, ppReg, mode64 ); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 594 | |
sewardj | 2d6b14a | 2005-11-23 04:25:07 +0000 | [diff] [blame] | 595 | vexAllocSanityCheck(); |
| 596 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 597 | if (vex_traceflags & VEX_TRACE_RCODE) { |
| 598 | vex_printf("\n------------------------" |
| 599 | " Register-allocated code " |
| 600 | "------------------------\n\n"); |
sewardj | 1f40a0a | 2004-07-21 12:28:07 +0000 | [diff] [blame] | 601 | for (i = 0; i < rcode->arr_used; i++) { |
| 602 | vex_printf("%3d ", i); |
cerion | 92b6436 | 2005-12-13 12:02:26 +0000 | [diff] [blame] | 603 | ppInstr(rcode->arr[i], mode64); |
sewardj | 1f40a0a | 2004-07-21 12:28:07 +0000 | [diff] [blame] | 604 | vex_printf("\n"); |
| 605 | } |
sewardj | fbcaf33 | 2004-07-08 01:46:01 +0000 | [diff] [blame] | 606 | vex_printf("\n"); |
| 607 | } |
sewardj | fbcaf33 | 2004-07-08 01:46:01 +0000 | [diff] [blame] | 608 | |
sewardj | e908c42 | 2005-02-04 21:18:16 +0000 | [diff] [blame] | 609 | /* HACK */ |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 610 | if (0) { *(vta->host_bytes_used) = 0; return VexTransOK; } |
sewardj | e908c42 | 2005-02-04 21:18:16 +0000 | [diff] [blame] | 611 | /* end HACK */ |
| 612 | |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 613 | /* Assemble */ |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 614 | if (vex_traceflags & VEX_TRACE_ASM) { |
| 615 | vex_printf("\n------------------------" |
| 616 | " Assembly " |
| 617 | "------------------------\n\n"); |
| 618 | } |
| 619 | |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 620 | out_used = 0; /* tracks along the host_bytes array */ |
| 621 | for (i = 0; i < rcode->arr_used; i++) { |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 622 | if (vex_traceflags & VEX_TRACE_ASM) { |
cerion | 92b6436 | 2005-12-13 12:02:26 +0000 | [diff] [blame] | 623 | ppInstr(rcode->arr[i], mode64); |
sewardj | bad34a9 | 2004-07-22 01:14:11 +0000 | [diff] [blame] | 624 | vex_printf("\n"); |
| 625 | } |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 626 | j = (*emit)( insn_bytes, 32, rcode->arr[i], mode64, vta->dispatch ); |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 627 | if (vex_traceflags & VEX_TRACE_ASM) { |
sewardj | bad34a9 | 2004-07-22 01:14:11 +0000 | [diff] [blame] | 628 | for (k = 0; k < j; k++) |
sewardj | 72c7281 | 2005-01-19 11:49:45 +0000 | [diff] [blame] | 629 | if (insn_bytes[k] < 16) |
sewardj | 86898e8 | 2004-07-22 17:26:12 +0000 | [diff] [blame] | 630 | vex_printf("0%x ", (UInt)insn_bytes[k]); |
| 631 | else |
| 632 | vex_printf("%x ", (UInt)insn_bytes[k]); |
sewardj | bad34a9 | 2004-07-22 01:14:11 +0000 | [diff] [blame] | 633 | vex_printf("\n\n"); |
| 634 | } |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 635 | if (out_used + j > vta->host_bytes_size) { |
sewardj | 2d6b14a | 2005-11-23 04:25:07 +0000 | [diff] [blame] | 636 | vexSetAllocModeTEMP_and_clear(); |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 637 | vex_traceflags = 0; |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 638 | return VexTransOutputFull; |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 639 | } |
| 640 | for (k = 0; k < j; k++) { |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 641 | vta->host_bytes[out_used] = insn_bytes[k]; |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 642 | out_used++; |
| 643 | } |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 644 | vassert(out_used <= vta->host_bytes_size); |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 645 | } |
sewardj | 17c7f95 | 2005-12-15 14:02:34 +0000 | [diff] [blame] | 646 | *(vta->host_bytes_used) = out_used; |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 647 | |
sewardj | 2d6b14a | 2005-11-23 04:25:07 +0000 | [diff] [blame] | 648 | vexAllocSanityCheck(); |
| 649 | |
| 650 | vexSetAllocModeTEMP_and_clear(); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 651 | |
sewardj | f48ac19 | 2004-10-29 00:41:29 +0000 | [diff] [blame] | 652 | vex_traceflags = 0; |
sewardj | d887b86 | 2005-01-17 18:34:34 +0000 | [diff] [blame] | 653 | return VexTransOK; |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 654 | } |
| 655 | |
| 656 | |
sewardj | 893aada | 2004-11-29 19:57:54 +0000 | [diff] [blame] | 657 | /* --------- Emulation warnings. --------- */ |
| 658 | |
| 659 | HChar* LibVEX_EmWarn_string ( VexEmWarn ew ) |
| 660 | { |
| 661 | switch (ew) { |
| 662 | case EmWarn_NONE: |
| 663 | return "none"; |
| 664 | case EmWarn_X86_x87exns: |
| 665 | return "Unmasking x87 FP exceptions"; |
sewardj | 893aada | 2004-11-29 19:57:54 +0000 | [diff] [blame] | 666 | case EmWarn_X86_x87precision: |
| 667 | return "Selection of non-80-bit x87 FP precision"; |
| 668 | case EmWarn_X86_sseExns: |
sewardj | 5edfc26 | 2004-12-15 12:13:52 +0000 | [diff] [blame] | 669 | return "Unmasking SSE FP exceptions"; |
| 670 | case EmWarn_X86_fz: |
| 671 | return "Setting %mxcsr.fz (SSE flush-underflows-to-zero mode)"; |
| 672 | case EmWarn_X86_daz: |
| 673 | return "Setting %mxcsr.daz (SSE treat-denormals-as-zero mode)"; |
sewardj | 6d26984 | 2005-08-06 11:45:02 +0000 | [diff] [blame] | 674 | case EmWarn_X86_acFlag: |
| 675 | return "Setting %eflags.ac (setting noted but ignored)"; |
sewardj | 9dd9cf1 | 2006-01-20 14:13:55 +0000 | [diff] [blame] | 676 | case EmWarn_PPCexns: |
| 677 | return "Unmasking PPC32/64 FP exceptions"; |
| 678 | case EmWarn_PPC64_redir_overflow: |
| 679 | return "PPC64 function redirection stack overflow"; |
| 680 | case EmWarn_PPC64_redir_underflow: |
| 681 | return "PPC64 function redirection stack underflow"; |
sewardj | 893aada | 2004-11-29 19:57:54 +0000 | [diff] [blame] | 682 | default: |
| 683 | vpanic("LibVEX_EmWarn_string: unknown warning"); |
| 684 | } |
| 685 | } |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 686 | |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 687 | /* ------------------ Arch/HwCaps stuff. ------------------ */ |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 688 | |
| 689 | const HChar* LibVEX_ppVexArch ( VexArch arch ) |
| 690 | { |
| 691 | switch (arch) { |
| 692 | case VexArch_INVALID: return "INVALID"; |
| 693 | case VexArchX86: return "X86"; |
| 694 | case VexArchAMD64: return "AMD64"; |
| 695 | case VexArchARM: return "ARM"; |
sewardj | 0ec57c5 | 2005-02-01 15:24:10 +0000 | [diff] [blame] | 696 | case VexArchPPC32: return "PPC32"; |
cerion | f0de28c | 2005-12-13 20:21:11 +0000 | [diff] [blame] | 697 | case VexArchPPC64: return "PPC64"; |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 698 | default: return "VexArch???"; |
| 699 | } |
| 700 | } |
| 701 | |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 702 | const HChar* LibVEX_ppVexHwCaps ( VexArch arch, UInt hwcaps ) |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 703 | { |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 704 | HChar* str = show_hwcaps(arch,hwcaps); |
| 705 | return str ? str : "INVALID"; |
sewardj | bef170b | 2004-12-21 01:23:00 +0000 | [diff] [blame] | 706 | } |
| 707 | |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 708 | |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 709 | /* Write default settings info *vai. */ |
| 710 | void LibVEX_default_VexArchInfo ( /*OUT*/VexArchInfo* vai ) |
| 711 | { |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 712 | vai->hwcaps = 0; |
cerion | 5b2325f | 2005-12-23 00:55:09 +0000 | [diff] [blame] | 713 | vai->ppc_cache_line_szB = 0; |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 714 | } |
| 715 | |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 716 | /* Write default settings info *vbi. */ |
| 717 | void LibVEX_default_VexAbiInfo ( /*OUT*/VexAbiInfo* vbi ) |
sewardj | aca070a | 2006-10-17 00:28:22 +0000 | [diff] [blame] | 718 | { |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 719 | vbi->guest_stack_redzone_size = 0; |
sewardj | 2e28ac4 | 2008-12-04 00:05:12 +0000 | [diff] [blame] | 720 | vbi->guest_amd64_assume_fs_is_zero = False; |
| 721 | vbi->guest_amd64_assume_gs_is_0x60 = False; |
sewardj | dd40fdf | 2006-12-24 02:20:24 +0000 | [diff] [blame] | 722 | vbi->guest_ppc_zap_RZ_at_blr = False; |
| 723 | vbi->guest_ppc_zap_RZ_at_bl = NULL; |
| 724 | vbi->guest_ppc_sc_continues_at_LR = False; |
| 725 | vbi->host_ppc_calls_use_fndescrs = False; |
| 726 | vbi->host_ppc32_regalign_int64_args = False; |
sewardj | aca070a | 2006-10-17 00:28:22 +0000 | [diff] [blame] | 727 | } |
| 728 | |
sewardj | 27e1dd6 | 2005-06-30 11:49:14 +0000 | [diff] [blame] | 729 | |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 730 | /* Return a string showing the hwcaps in a nice way. The string will |
| 731 | be NULL for invalid combinations of flags, so these functions also |
| 732 | serve as a way to validate hwcaps values. */ |
| 733 | |
| 734 | static HChar* show_hwcaps_x86 ( UInt hwcaps ) |
| 735 | { |
| 736 | /* Monotonic, SSE3 > SSE2 > SSE1 > baseline. */ |
| 737 | if (hwcaps == 0) |
| 738 | return "x86-sse0"; |
| 739 | if (hwcaps == VEX_HWCAPS_X86_SSE1) |
| 740 | return "x86-sse1"; |
| 741 | if (hwcaps == (VEX_HWCAPS_X86_SSE1 | VEX_HWCAPS_X86_SSE2)) |
| 742 | return "x86-sse1-sse2"; |
| 743 | if (hwcaps == (VEX_HWCAPS_X86_SSE1 |
| 744 | | VEX_HWCAPS_X86_SSE2 | VEX_HWCAPS_X86_SSE3)) |
| 745 | return "x86-sse1-sse2-sse3"; |
| 746 | |
sewardj | e9d8a26 | 2009-07-01 08:06:34 +0000 | [diff] [blame^] | 747 | return NULL; |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 748 | } |
| 749 | |
| 750 | static HChar* show_hwcaps_amd64 ( UInt hwcaps ) |
| 751 | { |
sewardj | e9d8a26 | 2009-07-01 08:06:34 +0000 | [diff] [blame^] | 752 | /* SSE3 and CX16 are orthogonal and > baseline, although we really |
| 753 | don't expect to come across anything which can do SSE3 but can't |
| 754 | do CX16. Still, we can handle that case. */ |
| 755 | const UInt SSE3 = VEX_HWCAPS_AMD64_SSE3; |
| 756 | const UInt CX16 = VEX_HWCAPS_AMD64_CX16; |
| 757 | UInt c = hwcaps; |
| 758 | if (c == 0) return "amd64-sse2"; |
| 759 | if (c == SSE3) return "amd64-sse3"; |
| 760 | if (c == CX16) return "amd64-sse2-cx16"; |
| 761 | if (c == (SSE3|CX16)) return "amd64-sse3-cx16"; |
| 762 | return NULL; |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 763 | } |
| 764 | |
| 765 | static HChar* show_hwcaps_ppc32 ( UInt hwcaps ) |
| 766 | { |
| 767 | /* Monotonic with complications. Basically V > F > baseline, |
| 768 | but once you have F then you can have FX or GX too. */ |
| 769 | const UInt F = VEX_HWCAPS_PPC32_F; |
| 770 | const UInt V = VEX_HWCAPS_PPC32_V; |
| 771 | const UInt FX = VEX_HWCAPS_PPC32_FX; |
| 772 | const UInt GX = VEX_HWCAPS_PPC32_GX; |
| 773 | UInt c = hwcaps; |
| 774 | if (c == 0) return "ppc32-int"; |
| 775 | if (c == F) return "ppc32-int-flt"; |
| 776 | if (c == (F|FX)) return "ppc32-int-flt-FX"; |
| 777 | if (c == (F|GX)) return "ppc32-int-flt-GX"; |
| 778 | if (c == (F|FX|GX)) return "ppc32-int-flt-FX-GX"; |
| 779 | if (c == (F|V)) return "ppc32-int-flt-vmx"; |
| 780 | if (c == (F|V|FX)) return "ppc32-int-flt-vmx-FX"; |
| 781 | if (c == (F|V|GX)) return "ppc32-int-flt-vmx-GX"; |
| 782 | if (c == (F|V|FX|GX)) return "ppc32-int-flt-vmx-FX-GX"; |
| 783 | return NULL; |
| 784 | } |
| 785 | |
| 786 | static HChar* show_hwcaps_ppc64 ( UInt hwcaps ) |
| 787 | { |
| 788 | /* Monotonic with complications. Basically V > baseline(==F), |
| 789 | but once you have F then you can have FX or GX too. */ |
sewardj | 3fd3967 | 2006-01-27 22:05:55 +0000 | [diff] [blame] | 790 | const UInt V = VEX_HWCAPS_PPC64_V; |
| 791 | const UInt FX = VEX_HWCAPS_PPC64_FX; |
| 792 | const UInt GX = VEX_HWCAPS_PPC64_GX; |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 793 | UInt c = hwcaps; |
| 794 | if (c == 0) return "ppc64-int-flt"; |
| 795 | if (c == FX) return "ppc64-int-flt-FX"; |
| 796 | if (c == GX) return "ppc64-int-flt-GX"; |
| 797 | if (c == (FX|GX)) return "ppc64-int-flt-FX-GX"; |
| 798 | if (c == V) return "ppc64-int-flt-vmx"; |
| 799 | if (c == (V|FX)) return "ppc64-int-flt-vmx-FX"; |
| 800 | if (c == (V|GX)) return "ppc64-int-flt-vmx-GX"; |
| 801 | if (c == (V|FX|GX)) return "ppc64-int-flt-vmx-FX-GX"; |
| 802 | return NULL; |
| 803 | } |
| 804 | |
| 805 | static HChar* show_hwcaps_arm ( UInt hwcaps ) |
| 806 | { |
| 807 | if (hwcaps == 0) return "arm-baseline"; |
| 808 | return NULL; |
| 809 | } |
| 810 | |
| 811 | /* ---- */ |
| 812 | static HChar* show_hwcaps ( VexArch arch, UInt hwcaps ) |
| 813 | { |
| 814 | switch (arch) { |
sewardj | 3fd3967 | 2006-01-27 22:05:55 +0000 | [diff] [blame] | 815 | case VexArchX86: return show_hwcaps_x86(hwcaps); |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 816 | case VexArchAMD64: return show_hwcaps_amd64(hwcaps); |
| 817 | case VexArchPPC32: return show_hwcaps_ppc32(hwcaps); |
| 818 | case VexArchPPC64: return show_hwcaps_ppc64(hwcaps); |
sewardj | 3fd3967 | 2006-01-27 22:05:55 +0000 | [diff] [blame] | 819 | case VexArchARM: return show_hwcaps_arm(hwcaps); |
sewardj | 5117ce1 | 2006-01-27 21:20:15 +0000 | [diff] [blame] | 820 | default: return NULL; |
| 821 | } |
| 822 | } |
| 823 | |
| 824 | static Bool are_valid_hwcaps ( VexArch arch, UInt hwcaps ) |
| 825 | { |
| 826 | return show_hwcaps(arch,hwcaps) != NULL; |
| 827 | } |
| 828 | |
| 829 | |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 830 | /*---------------------------------------------------------------*/ |
sewardj | c0ee2ed | 2004-07-27 10:29:41 +0000 | [diff] [blame] | 831 | /*--- end main/vex_main.c ---*/ |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 832 | /*---------------------------------------------------------------*/ |