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 | 887a11a | 2004-07-05 17:26:47 +0000 | [diff] [blame] | 9 | #include "libvex.h" |
sewardj | 81ec418 | 2004-10-25 23:15:52 +0000 | [diff] [blame] | 10 | #include "libvex_guest_x86.h" |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 11 | |
sewardj | c0ee2ed | 2004-07-27 10:29:41 +0000 | [diff] [blame] | 12 | #include "main/vex_globals.h" |
| 13 | #include "main/vex_util.h" |
| 14 | #include "host-generic/h_generic_regs.h" |
| 15 | #include "host-x86/hdefs.h" |
| 16 | #include "guest-x86/gdefs.h" |
sewardj | edf4d69 | 2004-08-17 13:52:58 +0000 | [diff] [blame] | 17 | #include "ir/iropt.h" |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 18 | |
| 19 | |
| 20 | /* This file contains the top level interface to the library. */ |
| 21 | |
| 22 | /* --------- Initialise the library. --------- */ |
| 23 | |
| 24 | /* Exported to library client. */ |
| 25 | |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 26 | void LibVEX_default_VexControl ( /*OUT*/ VexControl* vcon ) |
| 27 | { |
| 28 | vcon->iropt_verbosity = 0; |
| 29 | vcon->iropt_level = 2; |
| 30 | vcon->iropt_precise_memory_exns = False; |
| 31 | vcon->iropt_unroll_thresh = 120; |
| 32 | vcon->guest_max_insns = 50; |
| 33 | vcon->guest_chase_thresh = 10; |
| 34 | } |
| 35 | |
| 36 | |
| 37 | /* Exported to library client. */ |
| 38 | |
sewardj | 887a11a | 2004-07-05 17:26:47 +0000 | [diff] [blame] | 39 | void LibVEX_Init ( |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 40 | /* failure exit function */ |
sewardj | 2b51587 | 2004-07-05 20:50:45 +0000 | [diff] [blame] | 41 | __attribute__ ((noreturn)) |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 42 | void (*failure_exit) ( void ), |
| 43 | /* logging output function */ |
| 44 | void (*log_bytes) ( Char*, Int nbytes ), |
| 45 | /* debug paranoia level */ |
| 46 | Int debuglevel, |
sewardj | 58800ff | 2004-07-28 01:51:10 +0000 | [diff] [blame] | 47 | /* initial verbosity level */ |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 48 | Int verbosity, |
| 49 | /* Are we supporting valgrind checking? */ |
| 50 | Bool valgrind_support, |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 51 | /* Control ... */ |
| 52 | /*READONLY*/VexControl* vcon |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 53 | ) |
| 54 | { |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 55 | /* First off, do enough minimal setup so that the following |
| 56 | assertions can fail in a sane fashion, if need be. */ |
sewardj | ea602bc | 2004-10-14 21:40:12 +0000 | [diff] [blame] | 57 | vex_failure_exit = failure_exit; |
| 58 | vex_log_bytes = log_bytes; |
| 59 | |
| 60 | /* Now it's safe to check parameters for sanity. */ |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 61 | vassert(!vex_initdone); |
| 62 | vassert(failure_exit); |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 63 | vassert(log_bytes); |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 64 | vassert(debuglevel >= 0); |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 65 | vassert(verbosity >= 0); |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 66 | |
| 67 | vassert(vcon->iropt_verbosity >= 0); |
| 68 | vassert(vcon->iropt_level >= 0); |
| 69 | vassert(vcon->iropt_level <= 2); |
| 70 | vassert(vcon->iropt_unroll_thresh >= 0); |
| 71 | vassert(vcon->iropt_unroll_thresh <= 400); |
| 72 | vassert(vcon->guest_max_insns >= 1); |
| 73 | vassert(vcon->guest_max_insns <= 100); |
| 74 | vassert(vcon->guest_chase_thresh >= 0); |
| 75 | vassert(vcon->guest_chase_thresh < vcon->guest_max_insns); |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 76 | |
sewardj | 81ec418 | 2004-10-25 23:15:52 +0000 | [diff] [blame] | 77 | /* All the guest state structs must have an 8-aligned size. */ |
| 78 | vassert(0 == sizeof(VexGuestX86State) % 8); |
| 79 | |
sewardj | ea602bc | 2004-10-14 21:40:12 +0000 | [diff] [blame] | 80 | /* Check that Vex has been built with sizes of basic types as |
| 81 | stated in priv/libvex_basictypes.h. Failure of any of these is |
| 82 | a serious configuration error and should be corrected |
| 83 | immediately. If any of these assertions fail you can fully |
| 84 | expect Vex not to work properly, if at all. */ |
| 85 | |
| 86 | vassert(1 == sizeof(UChar)); |
| 87 | vassert(1 == sizeof(Char)); |
| 88 | vassert(2 == sizeof(UShort)); |
| 89 | vassert(2 == sizeof(Short)); |
| 90 | vassert(4 == sizeof(UInt)); |
| 91 | vassert(4 == sizeof(Int)); |
| 92 | vassert(8 == sizeof(ULong)); |
| 93 | vassert(8 == sizeof(Long)); |
| 94 | vassert(4 == sizeof(Float)); |
| 95 | vassert(8 == sizeof(Double)); |
| 96 | vassert(1 == sizeof(Bool)); |
| 97 | vassert(4 == sizeof(Addr32)); |
| 98 | vassert(8 == sizeof(Addr64)); |
| 99 | |
| 100 | vassert(sizeof(void*) == 4 || sizeof(void*) == 8); |
| 101 | vassert(sizeof(void*) == sizeof(int*)); |
| 102 | vassert(sizeof(void*) == sizeof(HWord)); |
| 103 | |
| 104 | /* Really start up .. */ |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 105 | vex_debuglevel = debuglevel; |
| 106 | vex_verbosity = verbosity; |
| 107 | vex_valgrind_support = valgrind_support; |
sewardj | 0861374 | 2004-10-25 13:01:45 +0000 | [diff] [blame] | 108 | vex_control = *vcon; |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 109 | vex_initdone = True; |
| 110 | LibVEX_SetAllocMode ( AllocModeTEMPORARY ); |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | |
| 114 | /* --------- Make a translation. --------- */ |
| 115 | |
| 116 | /* Exported to library client. */ |
| 117 | |
sewardj | 887a11a | 2004-07-05 17:26:47 +0000 | [diff] [blame] | 118 | TranslateResult LibVEX_Translate ( |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 119 | /* The instruction sets we are translating from and to. */ |
| 120 | InsnSet iset_guest, |
| 121 | InsnSet iset_host, |
| 122 | /* IN: the block to translate, and its guest address. */ |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 123 | UChar* guest_bytes, |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 124 | Addr64 guest_bytes_addr, |
| 125 | /* OUT: the number of bytes actually read */ |
| 126 | Int* guest_bytes_read, |
| 127 | /* IN: a place to put the resulting code, and its size */ |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 128 | UChar* host_bytes, |
| 129 | Int host_bytes_size, |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 130 | /* OUT: how much of the output area is used. */ |
| 131 | Int* host_bytes_used, |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame^] | 132 | /* IN: optionally, two instrumentation functions. */ |
| 133 | IRBB* (*instrument1) ( IRBB*, VexGuestLayoutInfo* ), |
| 134 | IRBB* (*instrument2) ( IRBB*, VexGuestLayoutInfo* ), |
sewardj | c5fc7aa | 2004-10-27 23:00:55 +0000 | [diff] [blame] | 135 | HWord (*tool_findhelper) ( Char* ), |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 136 | /* IN: optionally, an access check function for guest code. */ |
sewardj | 58800ff | 2004-07-28 01:51:10 +0000 | [diff] [blame] | 137 | Bool (*byte_accessible) ( Addr64 ), |
| 138 | /* IN: if > 0, use this verbosity for this bb */ |
| 139 | Int bb_verbosity |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 140 | ) |
| 141 | { |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 142 | /* This the bundle of functions we need to do the back-end stuff |
| 143 | (insn selection, reg-alloc, assembly) whilst being insulated |
| 144 | from the target instruction set. */ |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 145 | HReg* available_real_regs; |
| 146 | Int n_available_real_regs; |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 147 | Bool (*isMove) (HInstr*, HReg*, HReg*); |
| 148 | void (*getRegUsage) (HRegUsage*, HInstr*); |
| 149 | void (*mapRegs) (HRegRemap*, HInstr*); |
| 150 | HInstr* (*genSpill) ( HReg, Int ); |
| 151 | HInstr* (*genReload) ( HReg, Int ); |
| 152 | void (*ppInstr) ( HInstr* ); |
| 153 | void (*ppReg) ( HReg ); |
sewardj | c5fc7aa | 2004-10-27 23:00:55 +0000 | [diff] [blame] | 154 | HInstrArray* (*iselBB) ( IRBB*, HWord(*)(Char*), HWord(*)(Char*) ); |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 155 | IRBB* (*bbToIR) ( UChar*, Addr64, Int*, |
| 156 | Bool(*)(Addr64), Bool ); |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 157 | Int (*emit) ( UChar*, Int, HInstr* ); |
sewardj | c5fc7aa | 2004-10-27 23:00:55 +0000 | [diff] [blame] | 158 | HWord (*findHelper) ( Char* ); |
sewardj | 84ff065 | 2004-08-23 16:16:08 +0000 | [diff] [blame] | 159 | IRExpr* (*specHelper) ( Char*, IRExpr** ); |
sewardj | 8d2291c | 2004-10-25 14:50:21 +0000 | [diff] [blame] | 160 | Bool (*preciseMemExnsFn) ( Int, Int ); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 161 | |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame^] | 162 | VexGuestLayoutInfo* guest_layout; |
| 163 | Bool host_is_bigendian = False; |
| 164 | IRBB* irbb; |
| 165 | HInstrArray* vcode; |
| 166 | HInstrArray* rcode; |
| 167 | Int i, j, k, out_used, saved_verbosity, guest_sizeB; |
| 168 | UChar insn_bytes[32]; |
| 169 | IRType guest_word_size; |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 170 | |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame^] | 171 | guest_layout = NULL; |
sewardj | 36ca513 | 2004-07-24 13:12:23 +0000 | [diff] [blame] | 172 | available_real_regs = NULL; |
| 173 | n_available_real_regs = 0; |
| 174 | isMove = NULL; |
| 175 | getRegUsage = NULL; |
| 176 | mapRegs = NULL; |
| 177 | genSpill = NULL; |
| 178 | genReload = NULL; |
| 179 | ppInstr = NULL; |
| 180 | ppReg = NULL; |
| 181 | iselBB = NULL; |
| 182 | bbToIR = NULL; |
| 183 | emit = NULL; |
| 184 | findHelper = NULL; |
sewardj | 84ff065 | 2004-08-23 16:16:08 +0000 | [diff] [blame] | 185 | specHelper = NULL; |
sewardj | 8d2291c | 2004-10-25 14:50:21 +0000 | [diff] [blame] | 186 | preciseMemExnsFn = NULL; |
sewardj | c5fc7aa | 2004-10-27 23:00:55 +0000 | [diff] [blame] | 187 | guest_word_size = Ity_INVALID; |
sewardj | 36ca513 | 2004-07-24 13:12:23 +0000 | [diff] [blame] | 188 | |
sewardj | 58800ff | 2004-07-28 01:51:10 +0000 | [diff] [blame] | 189 | saved_verbosity = vex_verbosity; |
| 190 | if (bb_verbosity > 0) |
| 191 | vex_verbosity = bb_verbosity; |
| 192 | |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 193 | vassert(vex_initdone); |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 194 | LibVEX_ClearTemporary(False); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 195 | |
| 196 | /* First off, check that the guest and host insn sets |
| 197 | are supported. */ |
| 198 | switch (iset_host) { |
| 199 | case InsnSetX86: |
| 200 | getAllocableRegs_X86 ( &n_available_real_regs, |
| 201 | &available_real_regs ); |
| 202 | isMove = (Bool(*)(HInstr*,HReg*,HReg*)) isMove_X86Instr; |
| 203 | getRegUsage = (void(*)(HRegUsage*,HInstr*)) getRegUsage_X86Instr; |
| 204 | mapRegs = (void(*)(HRegRemap*,HInstr*)) mapRegs_X86Instr; |
| 205 | genSpill = (HInstr*(*)(HReg,Int)) genSpill_X86; |
| 206 | genReload = (HInstr*(*)(HReg,Int)) genReload_X86; |
sewardj | 2b51587 | 2004-07-05 20:50:45 +0000 | [diff] [blame] | 207 | ppInstr = (void(*)(HInstr*)) ppX86Instr; |
| 208 | ppReg = (void(*)(HReg)) ppHRegX86; |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 209 | iselBB = iselBB_X86; |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 210 | emit = (Int(*)(UChar*,Int,HInstr*)) emit_X86Instr; |
sewardj | c9a6570 | 2004-07-07 16:32:57 +0000 | [diff] [blame] | 211 | host_is_bigendian = False; |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 212 | break; |
| 213 | default: |
sewardj | 887a11a | 2004-07-05 17:26:47 +0000 | [diff] [blame] | 214 | vpanic("LibVEX_Translate: unsupported target insn set"); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 215 | } |
| 216 | |
| 217 | switch (iset_guest) { |
| 218 | case InsnSetX86: |
sewardj | 8d2291c | 2004-10-25 14:50:21 +0000 | [diff] [blame] | 219 | preciseMemExnsFn = guest_x86_state_requires_precise_mem_exns; |
| 220 | bbToIR = bbToIR_X86Instr; |
| 221 | findHelper = x86guest_findhelper; |
| 222 | specHelper = x86guest_spechelper; |
sewardj | 81ec418 | 2004-10-25 23:15:52 +0000 | [diff] [blame] | 223 | guest_sizeB = sizeof(VexGuestX86State); |
sewardj | c5fc7aa | 2004-10-27 23:00:55 +0000 | [diff] [blame] | 224 | guest_word_size = Ity_I32; |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame^] | 225 | guest_layout = &x86guest_layout; |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 226 | break; |
| 227 | default: |
sewardj | 887a11a | 2004-07-05 17:26:47 +0000 | [diff] [blame] | 228 | vpanic("LibVEX_Translate: unsupported guest insn set"); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 229 | } |
| 230 | |
| 231 | irbb = bbToIR ( guest_bytes, |
| 232 | guest_bytes_addr, |
| 233 | guest_bytes_read, |
sewardj | c9a6570 | 2004-07-07 16:32:57 +0000 | [diff] [blame] | 234 | byte_accessible, |
| 235 | host_is_bigendian ); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 236 | |
| 237 | if (irbb == NULL) { |
| 238 | /* Access failure. */ |
sewardj | 443cd9d | 2004-07-18 23:06:45 +0000 | [diff] [blame] | 239 | LibVEX_ClearTemporary(False); |
sewardj | 58800ff | 2004-07-28 01:51:10 +0000 | [diff] [blame] | 240 | vex_verbosity = saved_verbosity; |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 241 | return TransAccessFail; |
| 242 | } |
sewardj | aa59f94 | 2004-10-09 09:34:36 +0000 | [diff] [blame] | 243 | |
| 244 | /* If debugging, show the raw guest bytes for this bb. */ |
| 245 | if (vex_verbosity >= 2) { |
| 246 | UChar* p = guest_bytes; |
| 247 | vex_printf("\n"); |
| 248 | vex_printf(". 0 %llx %d\n.", guest_bytes_addr, *guest_bytes_read ); |
| 249 | for (i = 0; i < *guest_bytes_read; i++) |
| 250 | vex_printf(" %02x", (Int)p[i] ); |
| 251 | vex_printf("\n"); |
| 252 | } |
| 253 | |
| 254 | /* Sanity check the initial IR. */ |
sewardj | c5fc7aa | 2004-10-27 23:00:55 +0000 | [diff] [blame] | 255 | sanityCheckIRBB(irbb, guest_word_size); |
sewardj | e8e9d73 | 2004-07-16 21:03:45 +0000 | [diff] [blame] | 256 | |
sewardj | edf4d69 | 2004-08-17 13:52:58 +0000 | [diff] [blame] | 257 | /* Clean it up, hopefully a lot. */ |
sewardj | 8d2291c | 2004-10-25 14:50:21 +0000 | [diff] [blame] | 258 | irbb = do_iropt_BB ( irbb, specHelper, preciseMemExnsFn, |
| 259 | guest_bytes_addr ); |
sewardj | c5fc7aa | 2004-10-27 23:00:55 +0000 | [diff] [blame] | 260 | sanityCheckIRBB(irbb, guest_word_size); |
sewardj | edf4d69 | 2004-08-17 13:52:58 +0000 | [diff] [blame] | 261 | |
| 262 | if (vex_verbosity > 0) { |
| 263 | vex_printf("\n-------- After IR optimisation --------\n"); |
| 264 | ppIRBB ( irbb ); |
| 265 | vex_printf("\n"); |
| 266 | } |
| 267 | |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 268 | /* Get the thing instrumented. */ |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame^] | 269 | if (instrument1) |
| 270 | irbb = (*instrument1)(irbb, guest_layout); |
| 271 | if (instrument2) |
| 272 | irbb = (*instrument2)(irbb, guest_layout); |
| 273 | |
| 274 | if (instrument1 || instrument2) |
sewardj | c5fc7aa | 2004-10-27 23:00:55 +0000 | [diff] [blame] | 275 | sanityCheckIRBB(irbb, guest_word_size); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 276 | |
| 277 | /* Turn it into virtual-registerised code. */ |
sewardj | 49651f4 | 2004-10-28 22:11:04 +0000 | [diff] [blame^] | 278 | do_deadcode_BB( irbb ); |
| 279 | do_treebuild_BB( irbb ); |
sewardj | c5fc7aa | 2004-10-27 23:00:55 +0000 | [diff] [blame] | 280 | vcode = iselBB ( irbb, findHelper, tool_findhelper ); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 281 | |
sewardj | 1f40a0a | 2004-07-21 12:28:07 +0000 | [diff] [blame] | 282 | if (vex_verbosity > 0) { |
| 283 | vex_printf("\n-------- Virtual registerised code --------\n"); |
| 284 | for (i = 0; i < vcode->arr_used; i++) { |
| 285 | vex_printf("%3d ", i); |
| 286 | ppInstr(vcode->arr[i]); |
| 287 | vex_printf("\n"); |
| 288 | } |
sewardj | fbcaf33 | 2004-07-08 01:46:01 +0000 | [diff] [blame] | 289 | vex_printf("\n"); |
| 290 | } |
sewardj | fbcaf33 | 2004-07-08 01:46:01 +0000 | [diff] [blame] | 291 | |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 292 | /* Register allocate. */ |
| 293 | rcode = doRegisterAllocation ( vcode, available_real_regs, |
| 294 | n_available_real_regs, |
| 295 | isMove, getRegUsage, mapRegs, |
sewardj | 81ec418 | 2004-10-25 23:15:52 +0000 | [diff] [blame] | 296 | genSpill, genReload, guest_sizeB, |
sewardj | 2b51587 | 2004-07-05 20:50:45 +0000 | [diff] [blame] | 297 | ppInstr, ppReg ); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 298 | |
sewardj | 1f40a0a | 2004-07-21 12:28:07 +0000 | [diff] [blame] | 299 | if (vex_verbosity > 0) { |
| 300 | vex_printf("\n-------- Post-regalloc code --------\n"); |
| 301 | for (i = 0; i < rcode->arr_used; i++) { |
| 302 | vex_printf("%3d ", i); |
| 303 | ppInstr(rcode->arr[i]); |
| 304 | vex_printf("\n"); |
| 305 | } |
sewardj | fbcaf33 | 2004-07-08 01:46:01 +0000 | [diff] [blame] | 306 | vex_printf("\n"); |
| 307 | } |
sewardj | fbcaf33 | 2004-07-08 01:46:01 +0000 | [diff] [blame] | 308 | |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 309 | /* Assemble */ |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 310 | out_used = 0; /* tracks along the host_bytes array */ |
| 311 | for (i = 0; i < rcode->arr_used; i++) { |
sewardj | c5fc7aa | 2004-10-27 23:00:55 +0000 | [diff] [blame] | 312 | if (vex_verbosity > 2) { |
sewardj | bad34a9 | 2004-07-22 01:14:11 +0000 | [diff] [blame] | 313 | ppInstr(rcode->arr[i]); |
| 314 | vex_printf("\n"); |
| 315 | } |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 316 | j = (*emit)( insn_bytes, 32, rcode->arr[i] ); |
sewardj | c5fc7aa | 2004-10-27 23:00:55 +0000 | [diff] [blame] | 317 | if (vex_verbosity > 2) { |
sewardj | bad34a9 | 2004-07-22 01:14:11 +0000 | [diff] [blame] | 318 | for (k = 0; k < j; k++) |
sewardj | 86898e8 | 2004-07-22 17:26:12 +0000 | [diff] [blame] | 319 | if (insn_bytes[k] < 16) |
| 320 | vex_printf("0%x ", (UInt)insn_bytes[k]); |
| 321 | else |
| 322 | vex_printf("%x ", (UInt)insn_bytes[k]); |
sewardj | bad34a9 | 2004-07-22 01:14:11 +0000 | [diff] [blame] | 323 | vex_printf("\n\n"); |
| 324 | } |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 325 | if (out_used + j > host_bytes_size) { |
| 326 | LibVEX_ClearTemporary(False); |
sewardj | 58800ff | 2004-07-28 01:51:10 +0000 | [diff] [blame] | 327 | vex_verbosity = saved_verbosity; |
sewardj | 81bd550 | 2004-07-21 18:49:27 +0000 | [diff] [blame] | 328 | return TransOutputFull; |
| 329 | } |
| 330 | for (k = 0; k < j; k++) { |
| 331 | host_bytes[out_used] = insn_bytes[k]; |
| 332 | out_used++; |
| 333 | } |
| 334 | vassert(out_used <= host_bytes_size); |
| 335 | } |
| 336 | *host_bytes_used = out_used; |
| 337 | |
sewardj | 1f40a0a | 2004-07-21 12:28:07 +0000 | [diff] [blame] | 338 | // LibVEX_ClearTemporary(True); |
| 339 | LibVEX_ClearTemporary(False); |
sewardj | f13a16a | 2004-07-05 17:10:14 +0000 | [diff] [blame] | 340 | |
sewardj | 58800ff | 2004-07-28 01:51:10 +0000 | [diff] [blame] | 341 | vex_verbosity = saved_verbosity; |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 342 | return TransOK; |
| 343 | } |
| 344 | |
| 345 | |
| 346 | |
| 347 | /*---------------------------------------------------------------*/ |
sewardj | c0ee2ed | 2004-07-27 10:29:41 +0000 | [diff] [blame] | 348 | /*--- end main/vex_main.c ---*/ |
sewardj | 35421a3 | 2004-07-05 13:12:34 +0000 | [diff] [blame] | 349 | /*---------------------------------------------------------------*/ |