Mercurial > projects > ddmd
annotate dmd/backend/iasm.d @ 176:fa9a71a9f5a8
Moved all the mutable globals to Global
| author | korDen |
|---|---|
| date | Sun, 10 Oct 2010 05:22:45 +0400 |
| parents | 94b6033c07f3 |
| children | 1475fd394c9e |
| rev | line source |
|---|---|
| 0 | 1 module dmd.backend.iasm; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.Dsymbol; |
| 5 import dmd.LabelDsymbol; | |
| 6 import dmd.AsmStatement; | |
| 7 import dmd.Type; | |
| 8 import dmd.Scope; | |
| 9 import dmd.Loc; | |
| 10 import dmd.Token; | |
| 11 import dmd.TOK; | |
| 12 import dmd.Identifier; | |
| 13 import dmd.Declaration; | |
| 14 import dmd.VarDeclaration; | |
| 15 import dmd.EnumMember; | |
| 16 import dmd.ExpInitializer; | |
| 17 import dmd.Expression; | |
| 18 import dmd.IdentifierExp; | |
| 19 import dmd.StringExp; | |
| 20 import dmd.Global; | |
| 21 import dmd.WANT; | |
| 22 import dmd.STC; | |
| 23 import dmd.TY; | |
| 24 import dmd.EnumUtils; | |
| 25 import dmd.TupleDeclaration; | |
| 26 import dmd.VarExp; | |
| 27 import dmd.Id; | |
| 28 import dmd.FuncExp; | |
| 29 import dmd.DotIdExp; | |
| 30 | |
| 31 import dmd.backend.code; | |
| 32 import dmd.backend.Srcpos; | |
| 33 import dmd.backend.FL; | |
| 34 import dmd.backend.Util; | |
| 35 import dmd.backend.regm_t; | |
| 36 import dmd.backend.Config; | |
| 37 import dmd.backend.targ_types; | |
| 38 import dmd.backend.elem; | |
| 140 | 39 import dmd.backend.block; |
| 0 | 40 import dmd.Util; |
| 41 | |
| 42 import std.stdio : writef, writefln; | |
| 43 import std.string : toStringz; | |
| 44 import std.algorithm : min; | |
| 45 | |
| 4 | 46 import core.memory; |
| 47 | |
| 48 import core.stdc.stdio : printf; | |
| 0 | 49 import core.stdc.string : strlen; |
|
5
63623152e82a
Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents:
4
diff
changeset
|
50 import core.stdc.stdlib : realloc; |
| 0 | 51 import core.stdc.limits; |
| 52 | |
| 53 import std.bitmanip; | |
| 54 | |
| 55 alias int[10] jmp_buf; | |
| 56 | |
| 57 extern (C) extern | |
| 58 { | |
|
28
c369e9924151
Updated setjmp/longjmp prototypes to reflect recent static arrays change (they are now passed by value by default).
korDen
parents:
25
diff
changeset
|
59 int setjmp(ref jmp_buf env); |
|
c369e9924151
Updated setjmp/longjmp prototypes to reflect recent static arrays change (they are now passed by value by default).
korDen
parents:
25
diff
changeset
|
60 void longjmp(ref jmp_buf env, int value); |
| 0 | 61 |
| 62 void cod3_set386(); | |
| 63 code* genlinnum(code*, Srcpos); | |
| 64 code *code_calloc(); | |
| 65 | |
| 66 __gshared int BPRM; | |
| 67 } | |
| 68 | |
| 175 | 69 enum const(char)*[ASMTK.ASMTKmax] apszAsmtk = [ |
| 70 "__LOCAL_SIZE".ptr, | |
| 0 | 71 "dword".ptr, |
| 72 "even".ptr, | |
| 73 "far".ptr, | |
| 74 "naked".ptr, | |
| 75 "near".ptr, | |
| 76 "ptr".ptr, | |
| 77 "qword".ptr, | |
| 78 "seg".ptr, | |
| 79 "word".ptr, | |
| 80 ]; | |
| 81 | |
| 25 | 82 version (Windows) { |
| 83 extern (Pascal) code * cat(code *c1,code *c2); | |
| 84 } else { | |
| 85 extern (C) code * cat(code *c1,code *c2); | |
| 86 } | |
|
14
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
5
diff
changeset
|
87 |
|
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
5
diff
changeset
|
88 version (Bug4059) |
|
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
5
diff
changeset
|
89 { |
|
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
5
diff
changeset
|
90 private extern(C) OP* _Z13asm_op_lookupPKc(const(char)* s); |
|
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
5
diff
changeset
|
91 private extern(C) int _Z6binaryPKcPS0_i(const(char)* p , const(char)** tab, int high); |
|
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
5
diff
changeset
|
92 OP* asm_op_lookup(const(char)* s) { return _Z13asm_op_lookupPKc(s); } |
|
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
5
diff
changeset
|
93 int binary(const(char)* p , const(char)** tab, int high) { return _Z6binaryPKcPS0_i(p, tab, high); } |
| 0 | 94 } |
|
14
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
5
diff
changeset
|
95 else |
|
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
5
diff
changeset
|
96 { |
| 25 | 97 extern (C++) { |
| 98 OP* asm_op_lookup(const(char)* s); | |
| 99 int binary(const(char)* p , const(char)** tab, int high); | |
| 100 } | |
|
14
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
5
diff
changeset
|
101 } |
|
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
5
diff
changeset
|
102 |
|
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
5
diff
changeset
|
103 extern (C++) //extern |
| 0 | 104 { |
| 105 void init_optab(); | |
| 106 const(char)* asm_opstr(OP* pop); | |
| 107 } | |
| 108 | |
| 176 | 109 __gshared ubyte asm_TKlbra_seen = 0; |
| 0 | 110 |
| 111 struct REG | |
| 112 { | |
| 54 | 113 string regstr; |
| 0 | 114 ubyte val; |
| 115 opflag_t ty; | |
| 116 } | |
| 117 | |
| 118 OP* asm_op_lookup(string s) | |
| 119 { | |
| 120 return asm_op_lookup(toStringz(s)); | |
| 121 } | |
| 122 | |
| 123 // For amod (3 bits) | |
| 124 enum ASM_MODIFIERS : ubyte | |
| 125 { | |
| 126 _normal, // Normal register value | |
| 127 _rseg, // Segment registers | |
| 128 _rspecial, // Special registers | |
| 129 _addr16, // 16 bit address | |
| 130 _addr32, // 32 bit address | |
| 131 _fn16, // 16 bit function call | |
| 132 _fn32, // 32 bit function call | |
| 133 _flbl // Label | |
| 134 } | |
| 135 | |
| 136 mixin(BringToCurrentScope!(ASM_MODIFIERS)); | |
| 137 | |
| 138 // For aopty (3 bits) | |
| 139 enum ASM_OPERAND_TYPE : ubyte | |
| 140 { | |
| 141 _reg, // _r8, _r16, _r32 | |
| 142 _m, // _m8, _m16, _m32, _m48 | |
| 143 _imm, // _imm8, _imm16, _imm32 | |
| 144 _rel, // _rel8, _rel16, _rel32 | |
| 145 _mnoi, // _m1616, _m1632 | |
| 146 _p, // _p1616, _p1632 | |
| 147 _rm, // _rm8, _rm16, _rm32 | |
| 148 _float // Floating point operand, look at cRegmask for the | |
| 149 // actual size | |
| 150 } | |
| 151 | |
| 152 mixin(BringToCurrentScope!(ASM_OPERAND_TYPE)); | |
| 153 | |
| 154 /* Register definitions */ | |
| 155 | |
| 156 enum AX = 0; | |
| 157 enum CX = 1; | |
| 158 enum DX = 2; | |
| 159 enum BX = 3; | |
| 160 enum SP = 4; | |
| 161 enum BP = 5; | |
| 162 enum SI = 6; | |
| 163 enum DI = 7; | |
| 164 | |
| 165 enum ES = 9; | |
| 166 enum PSW = 10; | |
| 167 enum STACK = 11; // top of stack | |
| 168 enum MEM = 12; // memory | |
| 169 enum OTHER = 13; // other things | |
| 170 enum ST0 = 14; // 8087 top of stack register | |
| 171 enum ST01 = 15; // top two 8087 registers; for complex types | |
| 172 | |
| 173 enum NOREG = 100; // no register | |
| 174 | |
| 175 enum AL = 0; | |
| 176 enum CL = 1; | |
| 177 enum DL = 2; | |
| 178 enum BL = 3; | |
| 179 enum AH = 4; | |
| 180 enum CH = 5; | |
| 181 enum DH = 6; | |
| 182 enum BH = 7; | |
| 183 | |
| 184 enum mAX = 1; | |
| 185 enum mCX = 2; | |
| 186 enum mDX = 4; | |
| 187 enum mBX = 8; | |
| 188 enum mSP = 0x10; | |
| 189 enum mBP = 0x20; | |
| 190 enum mSI = 0x40; | |
| 191 enum mDI = 0x80; | |
| 192 enum mES = (1 << ES); // 0x200 | |
| 193 enum mPSW = (1 << PSW); // 0x400 | |
| 194 | |
| 195 enum mSTACK = (1 << STACK); // 0x800 | |
| 196 enum mMEM = (1 << MEM); // 0x1000 | |
| 197 enum mOTHER = (1 << OTHER); // 0x2000 | |
| 198 | |
| 199 enum mST0 = (1 << ST0); // 0x4000 | |
| 200 enum mST01 = (1 << ST01); // 0x8000 | |
| 201 | |
|
22
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
20
diff
changeset
|
202 version (POSIX) { ///TARGET_LINUX || TARGET_OSX || TARGET_FREEBSD || TARGET_SOLARIS |
| 0 | 203 // To support positional independent code, |
| 204 // must be able to remove BX from available registers | |
|
22
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
20
diff
changeset
|
205 extern (C) extern __gshared regm_t ALLREGS; |
|
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
20
diff
changeset
|
206 enum ALLREGS_INIT = (mAX|mBX|mCX|mDX|mSI|mDI); |
|
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
20
diff
changeset
|
207 enum ALLREGS_INIT_PIC = (mAX|mCX|mDX|mSI|mDI); |
|
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
20
diff
changeset
|
208 extern (C) extern regm_t BYTEREGS; |
|
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
20
diff
changeset
|
209 enum BYTEREGS_INIT = (mAX|mBX|mCX|mDX); |
|
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
20
diff
changeset
|
210 enum BYTEREGS_INIT_PIC = (mAX|mCX|mDX); |
| 0 | 211 } else { |
| 212 enum ALLREGS = (mAX|mBX|mCX|mDX|mSI|mDI); | |
| 213 ///#define ALLREGS_INIT ALLREGS | |
| 214 ///#undef BYTEREGS | |
| 215 ///#define BYTEREGS (mAX|mBX|mCX|mDX) | |
| 216 } | |
| 217 | |
| 218 //#define NPTRSIZE tysize[TYnptr] | |
| 219 enum NPTRSIZE = 4; | |
| 220 | |
| 221 uint ADDFWAIT() { return 0; } | |
| 222 | |
| 223 enum I16 = 0; // no 16 bit code for D | |
| 224 enum I32 = (NPTRSIZE == 4); | |
| 225 enum I64 = (NPTRSIZE == 8); // true if generating 64 bit code | |
| 226 | |
| 227 // For uRegmask (6 bits) | |
| 228 | |
| 229 // uRegmask flags when aopty == _float | |
| 230 enum _rst = 0x1; | |
| 231 enum _rsti = 0x2; | |
| 232 enum _64 = 0x4; | |
| 233 enum _80 = 0x8; | |
| 234 enum _128 = 0x40; | |
| 235 enum _112 = 0x10; | |
| 236 enum _224 = 0x20; | |
| 237 | |
| 238 ushort CONSTRUCT_FLAGS(ushort uSizemask, ubyte aopty, ubyte amod, ushort uRegmask ) { | |
| 239 return cast(ushort)( (uSizemask) | (aopty) << 4 | (amod) << 7 | (uRegmask) << 10); | |
| 240 } | |
| 241 | |
| 242 // _seg register values (amod == _rseg) | |
| 243 // | |
| 244 enum _ds = CONSTRUCT_FLAGS( 0, 0, _rseg, 0x01 ); | |
| 245 enum _es = CONSTRUCT_FLAGS( 0, 0, _rseg, 0x02 ); | |
| 246 enum _ss = CONSTRUCT_FLAGS( 0, 0, _rseg, 0x04 ); | |
| 247 enum _fs = CONSTRUCT_FLAGS( 0, 0, _rseg, 0x08 ); | |
| 248 enum _gs = CONSTRUCT_FLAGS( 0, 0, _rseg, 0x10 ); | |
| 249 enum _cs = CONSTRUCT_FLAGS( 0, 0, _rseg, 0x20 ); | |
| 250 | |
| 251 // | |
| 252 // _special register values | |
| 253 // | |
| 254 enum _crn = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._rspecial, 0x01 ); // CRn register (0,2,3) | |
| 255 enum _drn = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._rspecial, 0x02 ); // DRn register (0-3,6-7) | |
| 256 enum _trn = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._rspecial, 0x04 ); // TRn register (3-7) | |
| 257 enum _mm = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._rspecial, 0x08 ); // MMn register (0-7) | |
| 258 enum _xmm = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._rspecial, 0x10 ); // XMMn register (0-7) | |
| 259 | |
| 260 // | |
| 261 // Default register values | |
| 262 // | |
| 263 enum _al = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._normal, 0x01 ); // AL register | |
| 264 enum _ax = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._normal, 0x02 ); // AX register | |
| 265 enum _eax = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._normal, 0x04 ); // EAX register | |
| 266 enum _dx = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._normal, 0x08 ); // DX register | |
| 267 enum _cl = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._normal, 0x10 ); // CL register | |
| 268 | |
| 269 enum _rplus_r = 0x20; | |
| 270 //#define _plus_r CONSTRUCT_FLAGS( 0, 0, 0, _rplus_r ) | |
| 271 // Add the register to the opcode (no mod r/m) | |
| 272 | |
| 273 ubyte ASM_GET_uSizemask(uint us) { | |
| 274 return ((us) & 0x0F); | |
| 275 } | |
| 276 | |
| 277 ASM_OPERAND_TYPE ASM_GET_aopty(uint us) { | |
| 278 return cast(ASM_OPERAND_TYPE)(((us) & 0x70) >> 4); | |
| 279 } | |
| 280 | |
| 281 ASM_MODIFIERS ASM_GET_amod(uint us) { | |
| 282 return (cast(ASM_MODIFIERS)(((us) & 0x380) >> 7)); | |
| 283 } | |
| 284 | |
| 285 ubyte ASM_GET_uRegmask(uint us) { | |
| 286 return (((us) & 0xFC00) >> 10); | |
| 287 } | |
| 288 | |
| 289 enum _st = CONSTRUCT_FLAGS( 0, _float, 0, _rst ); // stack register 0 | |
| 290 enum _m112 = CONSTRUCT_FLAGS( 0, _m, 0, _112 ); | |
| 291 enum _m224 = CONSTRUCT_FLAGS( 0, _m, 0, _224 ); | |
| 292 enum _m512 = _m224; | |
| 293 enum _sti = CONSTRUCT_FLAGS( 0, _float, 0, _rsti ); | |
| 294 | |
| 175 | 295 __gshared REG regFp = { "ST", 0, _st }; |
| 296 | |
| 297 enum REG[8] aregFp = [ | |
| 0 | 298 { "ST(0)", 0, _sti }, |
| 299 { "ST(1)", 1, _sti }, | |
| 300 { "ST(2)", 2, _sti }, | |
| 301 { "ST(3)", 3, _sti }, | |
| 302 { "ST(4)", 4, _sti }, | |
| 303 { "ST(5)", 5, _sti }, | |
| 304 { "ST(6)", 6, _sti }, | |
| 305 { "ST(7)", 7, _sti } | |
| 306 ]; | |
| 307 | |
| 308 // For uSizemask (4 bits) | |
| 309 enum _8 = 0x1; | |
| 310 enum _16 = 0x2; | |
| 311 enum _32 = 0x4; | |
| 312 enum _48 = 0x8; | |
| 313 enum _anysize = (_8 | _16 | _32 | _48 ); | |
| 314 | |
| 315 enum _modrm = 0x10; | |
| 316 | |
| 317 //// This is for when the reg field of modregrm specifies which instruction it is | |
| 318 enum NUM_MASK = 0x7; | |
| 319 //#define _0 (0x0 | _modrm) // insure that some _modrm bit is set | |
| 320 //#define _1 0x1 // with _0 | |
| 321 //#define _2 0x2 | |
| 322 //#define _3 0x3 | |
| 323 //#define _4 0x4 | |
| 324 //#define _5 0x5 | |
| 325 //#define _6 0x6 | |
| 326 //#define _7 0x7 | |
| 327 // | |
| 328 //#define _modrm 0x10 | |
| 329 // | |
| 330 //#define _r _modrm | |
| 331 //#define _cb _modrm | |
| 332 //#define _cw _modrm | |
| 333 //#define _cd _modrm | |
| 334 //#define _cp _modrm | |
| 335 //#define _ib 0 | |
| 336 //#define _iw 0 | |
| 337 //#define _id 0 | |
| 338 //#define _rb 0 | |
| 339 //#define _rw 0 | |
| 340 //#define _rd 0 | |
| 341 enum _16_bit = 0x20; | |
| 342 enum _32_bit = 0x40; | |
| 343 enum _I386 = 0x80; // opcode is only for 386 and later | |
| 344 enum _16_bit_addr = 0x100; | |
| 345 enum _32_bit_addr = 0x200; | |
| 346 enum _fwait = 0x400; // Add an FWAIT prior to the instruction opcode | |
| 347 enum _nfwait = 0x800; // Do not add an FWAIT prior to the instruction | |
| 348 | |
| 349 enum MOD_MASK = 0xF000; // Mod mask | |
| 350 enum _modsi = 0x1000; // Instruction modifies SI | |
| 351 enum _moddx = 0x2000; // Instruction modifies DX | |
| 352 enum _mod2 = 0x3000; // Instruction modifies second operand | |
| 353 enum _modax = 0x4000; // Instruction modifies AX | |
| 354 enum _modnot1 = 0x5000; // Instruction does not modify first operand | |
| 355 enum _modaxdx = 0x6000; // instruction modifies AX and DX | |
| 356 enum _moddi = 0x7000; // Instruction modifies DI | |
| 357 enum _modsidi = 0x8000; // Instruction modifies SI and DI | |
| 358 enum _modcx = 0x9000; // Instruction modifies CX | |
| 359 enum _modes = 0xa000; // Instruction modifies ES | |
| 360 enum _modall = 0xb000; // Instruction modifies all register values | |
| 361 enum _modsiax = 0xc000; // Instruction modifies AX and SI | |
| 362 enum _modsinot1 = 0xd000; // Instruction modifies SI and not first param | |
| 363 | |
| 364 ///////////////////////////////////////////////// | |
| 365 // Operand flags - usOp1, usOp2, usOp3 | |
| 366 // | |
| 367 | |
| 368 alias ushort opflag_t; | |
| 369 | |
| 370 // Operand flags for normal opcodes | |
| 371 | |
| 372 enum _r8 = CONSTRUCT_FLAGS( _8, ASM_OPERAND_TYPE._reg, ASM_MODIFIERS._normal, 0 ); | |
| 373 enum _r16 = CONSTRUCT_FLAGS(_16, ASM_OPERAND_TYPE._reg, ASM_MODIFIERS._normal, 0 ); | |
| 374 enum _r32 = CONSTRUCT_FLAGS(_32, ASM_OPERAND_TYPE._reg, ASM_MODIFIERS._normal, 0 ); | |
| 375 enum _m8 = CONSTRUCT_FLAGS(_8, ASM_OPERAND_TYPE._m, ASM_MODIFIERS._normal, 0 ); | |
| 376 enum _m16 = CONSTRUCT_FLAGS(_16, ASM_OPERAND_TYPE._m, ASM_MODIFIERS._normal, 0 ); | |
| 377 enum _m32 = CONSTRUCT_FLAGS(_32, ASM_OPERAND_TYPE._m, ASM_MODIFIERS._normal, 0 ); | |
| 378 enum _m48 = CONSTRUCT_FLAGS( _48, ASM_OPERAND_TYPE._m, ASM_MODIFIERS._normal, 0 ); | |
| 379 enum _m64 = CONSTRUCT_FLAGS( _anysize, ASM_OPERAND_TYPE._m, ASM_MODIFIERS._normal, 0 ); | |
| 380 enum _m128 = CONSTRUCT_FLAGS( _anysize, ASM_OPERAND_TYPE._m, ASM_MODIFIERS._normal, 0 ); | |
| 381 enum _rm8 = CONSTRUCT_FLAGS(_8, ASM_OPERAND_TYPE._rm, ASM_MODIFIERS._normal, 0 ); | |
| 382 enum _rm16 = CONSTRUCT_FLAGS(_16, ASM_OPERAND_TYPE._rm, ASM_MODIFIERS._normal, 0 ); | |
| 383 enum _rm32 = CONSTRUCT_FLAGS(_32, ASM_OPERAND_TYPE._rm, ASM_MODIFIERS._normal, 0); | |
| 384 enum _r32m16 = CONSTRUCT_FLAGS(_32|_16, ASM_OPERAND_TYPE._rm, ASM_MODIFIERS._normal, 0); | |
| 385 enum _imm8 = CONSTRUCT_FLAGS(_8, ASM_OPERAND_TYPE._imm, ASM_MODIFIERS._normal, 0 ); | |
| 386 enum _imm16 = CONSTRUCT_FLAGS(_16, ASM_OPERAND_TYPE._imm, ASM_MODIFIERS._normal, 0); | |
| 387 enum _imm32 = CONSTRUCT_FLAGS(_32, ASM_OPERAND_TYPE._imm, ASM_MODIFIERS._normal, 0); | |
| 388 enum _rel8 = CONSTRUCT_FLAGS(_8, ASM_OPERAND_TYPE._rel, ASM_MODIFIERS._normal, 0); | |
| 389 enum _rel16 = CONSTRUCT_FLAGS(_16, ASM_OPERAND_TYPE._rel, ASM_MODIFIERS._normal, 0); | |
| 390 enum _rel32 = CONSTRUCT_FLAGS(_32, ASM_OPERAND_TYPE._rel, ASM_MODIFIERS._normal, 0); | |
| 391 enum _p1616 = CONSTRUCT_FLAGS(_32, ASM_OPERAND_TYPE._p, ASM_MODIFIERS._normal, 0); | |
| 392 enum _m1616 = CONSTRUCT_FLAGS(_32, ASM_OPERAND_TYPE._mnoi, ASM_MODIFIERS._normal, 0); | |
| 393 enum _p1632 = CONSTRUCT_FLAGS(_48, ASM_OPERAND_TYPE._p, ASM_MODIFIERS._normal, 0 ); | |
| 394 enum _m1632 = CONSTRUCT_FLAGS(_48, ASM_OPERAND_TYPE._mnoi, ASM_MODIFIERS._normal, 0); | |
| 395 enum _special = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._rspecial, 0 ); | |
| 396 enum _seg = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._rseg, 0 ); | |
| 397 enum _a16 = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._addr16, 0 ); | |
| 398 enum _a32 = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._addr32, 0 ); | |
| 399 enum _f16 = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._fn16, 0); | |
| 400 // Near function pointer | |
| 401 enum _f32 = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._fn32, 0); | |
| 402 // Far function pointer | |
| 403 enum _lbl = CONSTRUCT_FLAGS( 0, 0, ASM_MODIFIERS._flbl, 0 ); | |
| 404 // Label (in current function) | |
| 405 | |
| 406 enum _mmm32 = CONSTRUCT_FLAGS( 0, ASM_OPERAND_TYPE._m, 0, _32); | |
| 407 enum _mmm64 = CONSTRUCT_FLAGS( 0, ASM_OPERAND_TYPE._m, 0, _64); | |
| 408 enum _mmm128 = CONSTRUCT_FLAGS( 0, ASM_OPERAND_TYPE._m, 0, _128); | |
| 409 | |
| 410 enum _xmm_m32 = CONSTRUCT_FLAGS( _32, ASM_OPERAND_TYPE._m, ASM_MODIFIERS._rspecial, 0); | |
| 411 enum _xmm_m64 =CONSTRUCT_FLAGS( _anysize, ASM_OPERAND_TYPE._m, ASM_MODIFIERS._rspecial, 0); | |
| 412 enum _xmm_m128 =CONSTRUCT_FLAGS( _anysize, ASM_OPERAND_TYPE._m, ASM_MODIFIERS._rspecial, 0); | |
| 413 | |
| 414 enum _moffs8 = (_rel8); | |
| 415 enum _moffs16 = (_rel16 ); | |
| 416 enum _moffs32 = (_rel32 ); | |
| 417 | |
| 418 //////////////////////////////////////////////////////////////////// | |
| 419 // Operand flags for floating point opcodes are all just aliases for | |
| 420 // normal opcode variants and only asm_determine_operator_flags should | |
| 421 // need to care. | |
| 422 // | |
| 423 enum _fm80 = CONSTRUCT_FLAGS( 0, ASM_OPERAND_TYPE._m, 0, _80 ); | |
| 424 enum _fm64 = CONSTRUCT_FLAGS( 0, ASM_OPERAND_TYPE._m, 0, _64 ); | |
| 425 enum _fm128 = CONSTRUCT_FLAGS( 0, ASM_OPERAND_TYPE._m, 0, _128 ); | |
| 426 enum _fanysize = (_64 | _80 | _112 | _224); | |
| 427 | |
| 428 enum _AL =0; | |
| 429 enum _AH =4; | |
| 430 enum _AX =0; | |
| 431 enum _EAX =0; | |
| 432 enum _BL =3; | |
| 433 enum _BH =7; | |
| 434 enum _BX =3; | |
| 435 enum _EBX =3; | |
| 436 enum _CL =1; | |
| 437 enum _CH =5; | |
| 438 enum _CX =1; | |
| 439 enum _ECX =1; | |
| 440 enum _DL =2; | |
| 441 enum _DH =6; | |
| 442 enum _DX =2; | |
| 443 enum _EDX =2; | |
| 444 enum _BP =5; | |
| 445 enum _EBP =5; | |
| 446 enum _SP =4; | |
| 447 enum _ESP =4; | |
| 448 enum _DI =7; | |
| 449 enum _EDI =7; | |
| 450 enum _SI =6; | |
| 451 enum _ESI =6; | |
| 452 enum _ES =0; | |
| 453 enum _CS =1; | |
| 454 enum _SS =2; | |
| 455 enum _DS =3; | |
| 456 enum _GS =5; | |
| 457 enum _FS =4; | |
| 458 | |
| 459 enum ASM = 0x36; // string of asm bytes, actually an SS: opcode | |
| 460 enum ASM_END = 0xffff; // special opcode meaning end of table | |
| 461 | |
| 462 struct PTRNTAB0 | |
| 463 { | |
| 464 uint usOpcode; | |
| 465 // #define ASM_END 0xffff // special opcode meaning end of table | |
| 466 ushort usFlags; | |
| 467 } | |
| 468 | |
| 469 struct PTRNTAB1 | |
| 470 { | |
| 471 uint usOpcode; | |
| 472 ushort usFlags; | |
| 473 opflag_t usOp1; | |
| 474 } | |
| 475 | |
| 476 struct PTRNTAB2 | |
| 477 { | |
| 478 uint usOpcode; | |
| 479 ushort usFlags; | |
| 480 opflag_t usOp1; | |
| 481 opflag_t usOp2; | |
| 482 } | |
| 483 | |
| 484 struct PTRNTAB3 | |
| 485 { | |
| 486 uint usOpcode; | |
| 487 ushort usFlags; | |
| 488 opflag_t usOp1; | |
| 489 opflag_t usOp2; | |
| 490 opflag_t usOp3; | |
| 491 } | |
| 492 | |
| 493 union PTRNTAB | |
| 494 { | |
| 495 PTRNTAB0 *pptb0; | |
| 496 PTRNTAB1 *pptb1; | |
| 497 PTRNTAB2 *pptb2; | |
| 498 PTRNTAB3 *pptb3; | |
| 499 } | |
| 500 | |
| 501 struct OP | |
| 502 { | |
| 503 ubyte usNumops; | |
| 504 PTRNTAB ptb; | |
| 505 } | |
| 506 | |
| 507 enum ASM_JUMPTYPE | |
| 508 { | |
| 509 ASM_JUMPTYPE_UNSPECIFIED, | |
| 510 ASM_JUMPTYPE_SHORT, | |
| 511 ASM_JUMPTYPE_NEAR, | |
| 512 ASM_JUMPTYPE_FAR | |
| 513 } // ajt | |
| 514 | |
| 515 mixin(BringToCurrentScope!(ASM_JUMPTYPE)); | |
| 516 | |
| 517 struct OPND | |
| 518 { | |
| 519 REG* base; // if plain register | |
| 520 REG* pregDisp1; // if [register1] | |
| 521 REG* pregDisp2; | |
| 522 REG* segreg; // if segment override | |
| 523 char indirect = 0; // if had a '*' or '.' | |
| 524 char bOffset = 0; // if 'offset' keyword | |
| 525 char bSeg = 0; // if 'segment' keyword | |
| 526 char bPtr = 0; // if 'ptr' keyword | |
| 527 uint uchMultiplier; // register multiplier; valid values are 0,1,2,4,8 | |
| 528 opflag_t usFlags; | |
| 529 Dsymbol s; | |
| 530 int disp; | |
| 531 real real_ = 0; | |
| 532 Type ptype; | |
| 533 ASM_JUMPTYPE ajt; | |
| 534 } | |
| 535 | |
| 536 struct ASM_STATE | |
| 537 { | |
| 538 ubyte ucItype; // Instruction type | |
| 539 Loc loc; | |
| 540 ubyte bInit; | |
| 541 LabelDsymbol psDollar; | |
| 542 Dsymbol psLocalsize; | |
| 543 jmp_buf env; | |
| 544 ubyte bReturnax; | |
| 545 AsmStatement statement; | |
| 546 Scope sc; | |
| 547 } | |
| 548 | |
| 549 enum IT | |
| 550 { | |
| 551 ITprefix = 0x10, // special prefix | |
| 552 ITjump = 0x20, // jump instructions CALL, Jxx and LOOPxx | |
| 553 ITimmed = 0x30, // value of an immediate operand controls | |
| 554 // code generation | |
| 555 ITopt = 0x40, // not all operands are required | |
| 556 ITshift = 0x50, // rotate and shift instructions | |
| 557 ITfloat = 0x60, // floating point coprocessor instructions | |
| 558 ITdata = 0x70, // DB, DW, DD, DQ, DT pseudo-ops | |
| 559 ITaddr = 0x80, // DA (define addresss) pseudo-op | |
| 560 ITMASK = 0xF0, | |
| 561 ITSIZE = 0x0F, // mask for size | |
| 562 } | |
| 563 | |
| 564 alias IT.ITprefix ITprefix; | |
| 565 alias IT.ITjump ITjump; | |
| 566 alias IT.ITimmed ITimmed; | |
| 567 alias IT.ITopt ITopt; | |
| 568 alias IT.ITshift ITshift; | |
| 569 alias IT.ITfloat ITfloat; | |
| 570 alias IT.ITdata ITdata; | |
| 571 alias IT.ITaddr ITaddr; | |
| 572 alias IT.ITMASK ITMASK; | |
| 573 alias IT.ITSIZE ITSIZE; | |
| 574 | |
| 176 | 575 ref ASM_STATE asmstate() |
| 576 { | |
| 577 return global.asmstate; | |
| 578 } | |
| 579 | |
| 580 ref Token* asmtok() | |
| 581 { | |
| 582 return global.asmtok; | |
| 583 } | |
| 584 | |
| 585 void asmtok(Token* value) | |
| 586 { | |
| 587 global.asmtok = value; | |
| 588 } | |
| 589 | |
| 590 ref TOK tok_value() | |
| 591 { | |
| 592 return global.tok_value; | |
| 593 } | |
| 594 | |
| 595 void tok_value(TOK value) | |
| 596 { | |
| 597 global.tok_value = value; | |
| 598 } | |
| 0 | 599 |
| 600 // Additional tokens for the inline assembler | |
| 601 enum ASMTK | |
| 602 { | |
| 603 ASMTKlocalsize = TOKMAX + 1, | |
| 604 ASMTKdword, | |
| 605 ASMTKeven, | |
| 606 ASMTKfar, | |
| 607 ASMTKnaked, | |
| 608 ASMTKnear, | |
| 609 ASMTKptr, | |
| 610 ASMTKqword, | |
| 611 ASMTKseg, | |
| 612 ASMTKword, | |
| 613 ASMTKmax = ASMTKword - (TOK.TOKMAX + 1) + 1 | |
| 614 } | |
| 615 | |
| 616 mixin(BringToCurrentScope!(ASMTK)); | |
| 617 | |
| 618 enum OP_DB | |
| 619 { | |
| 620 ///version (SCPP) { | |
| 621 /// // These are the number of bytes | |
| 622 /// OPdb = 1, | |
| 623 /// OPdw = 2, | |
| 624 /// OPdd = 4, | |
| 625 /// OPdq = 8, | |
| 626 /// OPdt = 10, | |
| 627 /// OPdf = 4, | |
| 628 /// OPde = 10, | |
| 629 /// OPds = 2, | |
| 630 /// OPdi = 4, | |
| 631 /// OPdl = 8, | |
| 632 ///} | |
| 633 ///version (MARS) { | |
| 634 // Integral types | |
| 635 OPdb, | |
| 636 OPds, | |
| 637 OPdi, | |
| 638 OPdl, | |
| 639 | |
| 640 // Float types | |
| 641 OPdf, | |
| 642 OPdd, | |
| 643 OPde, | |
| 644 | |
| 645 // Deprecated | |
| 646 OPdw = OPds, | |
| 647 OPdq = OPdl, | |
| 648 OPdt = OPde, | |
| 649 ///} | |
| 650 } | |
| 651 | |
| 652 OPND* opnd_calloc() | |
| 653 { | |
| 654 return new OPND(); | |
| 655 } | |
| 656 | |
| 657 void opnd_free(OPND* o) | |
| 658 { | |
| 659 delete o; | |
| 660 } | |
| 661 | |
| 662 /****************************** | |
| 663 * Convert assembly instruction into a code, and append | |
| 664 * it to the code generated for this block. | |
| 665 */ | |
| 666 | |
| 667 code* asm_emit(Loc loc, uint usNumops, PTRNTAB ptb, OP* pop, OPND* popnd1, OPND* popnd2, OPND* popnd3) | |
| 668 { | |
| 669 debug { | |
| 670 ubyte auchOpcode[16]; | |
| 671 uint usIdx = 0; | |
| 672 void emit(ubyte op) { | |
| 673 auchOpcode[usIdx++] = op; | |
| 674 } | |
| 675 } else { | |
| 676 void emit(ubyte op) {} | |
| 677 } | |
| 678 Identifier id; | |
| 679 // ushort us; | |
| 680 ubyte* puc; | |
| 681 uint usDefaultseg; | |
| 682 code* pc = null; | |
| 683 OPND* popndTmp; | |
| 684 ASM_OPERAND_TYPE aoptyTmp; | |
| 685 ushort uSizemaskTmp; | |
| 686 REG* pregSegment; | |
| 687 code* pcPrefix = null; | |
| 688 | |
| 689 uint uSizemask1 = 0; | |
| 690 uint uSizemask2 = 0; | |
| 691 uint uSizemask3 = 0; | |
| 692 | |
| 693 //ASM_OPERAND_TYPE aopty1 = ASM_OPERAND_TYPE._reg , aopty2 = 0, aopty3 = 0; | |
| 694 ASM_MODIFIERS amod1 = ASM_MODIFIERS._normal; | |
| 695 ASM_MODIFIERS amod2 = ASM_MODIFIERS._normal; | |
| 696 ASM_MODIFIERS amod3 = ASM_MODIFIERS._normal; | |
| 697 | |
| 698 uint uRegmask1 = 0; | |
| 699 uint uRegmask2 = 0; | |
| 700 uint uRegmask3 = 0; | |
| 701 | |
| 702 uint uSizemaskTable1 = 0; | |
| 703 uint uSizemaskTable2 = 0; | |
| 704 uint uSizemaskTable3 = 0; | |
| 705 | |
| 706 ASM_OPERAND_TYPE aoptyTable1 = ASM_OPERAND_TYPE._reg; | |
| 707 ASM_OPERAND_TYPE aoptyTable2 = ASM_OPERAND_TYPE._reg; | |
| 708 ASM_OPERAND_TYPE aoptyTable3 = ASM_OPERAND_TYPE._reg; | |
| 709 | |
| 710 ASM_MODIFIERS amodTable1 = ASM_MODIFIERS._normal; | |
| 711 ASM_MODIFIERS amodTable2 = ASM_MODIFIERS._normal; | |
| 712 ASM_MODIFIERS amodTable3 = ASM_MODIFIERS._normal; | |
| 713 | |
| 714 uint uRegmaskTable1 = 0; | |
| 715 uint uRegmaskTable2 = 0; | |
| 716 uint uRegmaskTable3 = 0; | |
| 717 | |
| 718 pc = code_calloc(); | |
| 719 pc.Iflags |= CF.CFpsw; // assume we want to keep the flags | |
| 720 | |
| 721 if (popnd1) | |
| 722 { | |
| 723 uSizemask1 = ASM_GET_uSizemask(popnd1.usFlags); | |
| 724 //aopty1 = ASM_GET_aopty(popnd1.usFlags); | |
| 725 amod1 = ASM_GET_amod(popnd1.usFlags); | |
| 726 uRegmask1 = ASM_GET_uRegmask(popnd1.usFlags); | |
| 727 | |
| 728 uSizemaskTable1 = ASM_GET_uSizemask(ptb.pptb1.usOp1); | |
| 729 aoptyTable1 = ASM_GET_aopty(ptb.pptb1.usOp1); | |
| 730 amodTable1 = ASM_GET_amod(ptb.pptb1.usOp1); | |
| 731 uRegmaskTable1 = ASM_GET_uRegmask(ptb.pptb1.usOp1); | |
| 732 | |
| 733 } | |
| 734 | |
| 735 if (popnd2) | |
| 736 { | |
| 737 static if (false) { | |
| 738 printf("\nasm_emit:\nop: "); | |
| 739 asm_output_flags(popnd2.usFlags); | |
| 740 printf("\ntb: "); | |
| 741 asm_output_flags(ptb.pptb2.usOp2); | |
| 742 printf("\n"); | |
| 743 } | |
| 744 uSizemask2 = ASM_GET_uSizemask(popnd2.usFlags); | |
| 745 //aopty2 = ASM_GET_aopty(popnd2.usFlags); | |
| 746 amod2 = ASM_GET_amod(popnd2.usFlags); | |
| 747 uRegmask2 = ASM_GET_uRegmask(popnd2.usFlags); | |
| 748 | |
| 749 uSizemaskTable2 = ASM_GET_uSizemask(ptb.pptb2.usOp2); | |
| 750 aoptyTable2 = ASM_GET_aopty(ptb.pptb2.usOp2); | |
| 751 amodTable2 = ASM_GET_amod(ptb.pptb2.usOp2); | |
| 752 uRegmaskTable2 = ASM_GET_uRegmask(ptb.pptb2.usOp2); | |
| 753 } | |
| 754 if (popnd3) | |
| 755 { | |
| 756 uSizemask3 = ASM_GET_uSizemask(popnd3.usFlags); | |
| 757 //aopty3 = ASM_GET_aopty(popnd3.usFlags); | |
| 758 amod3 = ASM_GET_amod(popnd3.usFlags); | |
| 759 uRegmask3 = ASM_GET_uRegmask(popnd3.usFlags); | |
| 760 | |
| 761 uSizemaskTable3 = ASM_GET_uSizemask(ptb.pptb3.usOp3); | |
| 762 aoptyTable3 = ASM_GET_aopty(ptb.pptb3.usOp3); | |
| 763 amodTable3 = ASM_GET_amod(ptb.pptb3.usOp3); | |
| 764 uRegmaskTable3 = ASM_GET_uRegmask(ptb.pptb3.usOp3); | |
| 765 } | |
| 766 | |
| 767 asmstate.statement.regs |= asm_modify_regs(ptb, popnd1, popnd2); | |
| 768 | |
| 769 if (!I32 && ptb.pptb0.usFlags & _I386) | |
| 770 { | |
| 771 switch (usNumops) | |
| 772 { | |
| 773 case 0: | |
| 774 break; | |
| 775 | |
| 776 case 1: | |
| 777 if (popnd1 && popnd1.s) | |
| 778 { | |
| 779 L386_WARNING: | |
| 780 id = popnd1.s.ident; | |
| 781 L386_WARNING2: | |
| 782 if (config.target_cpu < TARGET.TARGET_80386) | |
| 783 { | |
| 784 // Reference to %s caused a 386 instruction to be generated | |
| 785 //warerr(WM_386_op, id.toChars()); | |
| 786 } | |
| 787 } | |
| 788 break; | |
| 789 | |
| 790 case 2: | |
| 791 case 3: // The third operand is always an ASM_OPERAND_TYPE._imm | |
| 792 if (popnd1 && popnd1.s) | |
| 793 goto L386_WARNING; | |
| 794 if (popnd2 && popnd2.s) | |
| 795 { | |
| 796 id = popnd2.s.ident; | |
| 797 goto L386_WARNING2; | |
| 798 } | |
| 799 break; | |
| 800 } | |
| 801 } | |
| 802 | |
| 803 switch (usNumops) | |
| 804 { | |
| 805 case 0: | |
| 806 if ((I32 && (ptb.pptb0.usFlags & _16_bit)) || (!I32 && (ptb.pptb0.usFlags & _32_bit))) | |
| 807 { | |
| 808 emit(0x66); | |
| 809 pc.Iflags |= CF.CFopsize; | |
| 810 } | |
| 811 break; | |
| 812 | |
| 813 // 3 and 2 are the same because the third operand is always | |
| 814 // an immediate and does not affect operation size | |
| 815 case 3: | |
| 816 case 2: | |
| 817 if ((I32 && | |
| 818 (amod2 == ASM_MODIFIERS._addr16 || | |
| 819 (uSizemaskTable2 & _16 && aoptyTable2 == ASM_OPERAND_TYPE._rel) || | |
| 820 (uSizemaskTable2 & _32 && aoptyTable2 == ASM_OPERAND_TYPE._mnoi) || | |
| 821 (ptb.pptb2.usFlags & _16_bit_addr) | |
| 822 ) | |
| 823 ) || | |
| 824 (!I32 && | |
| 825 (amod2 == ASM_MODIFIERS._addr32 || | |
| 826 (uSizemaskTable2 & _32 && aoptyTable2 == ASM_OPERAND_TYPE._rel) || | |
| 827 (uSizemaskTable2 & _48 && aoptyTable2 == ASM_OPERAND_TYPE._mnoi) || | |
| 828 (ptb.pptb2.usFlags & _32_bit_addr))) | |
| 829 ) | |
| 830 { | |
| 831 emit(0x67); | |
| 832 pc.Iflags |= CF.CFaddrsize; | |
| 833 | |
| 834 if (I32) | |
| 835 amod2 = ASM_MODIFIERS._addr16; | |
| 836 else | |
| 837 amod2 = ASM_MODIFIERS._addr32; | |
| 838 | |
| 839 popnd2.usFlags &= ~CONSTRUCT_FLAGS(0,0,7,0); | |
| 840 popnd2.usFlags |= CONSTRUCT_FLAGS(0,0,amod2,0); | |
| 841 } | |
| 842 | |
| 843 | |
| 844 /* Fall through, operand 1 controls the opsize, but the | |
| 845 address size can be in either operand 1 or operand 2, | |
| 846 hence the extra checking the flags tested for SHOULD | |
| 847 be mutex on operand 1 and operand 2 because there is | |
| 848 only one MOD R/M byte | |
| 849 */ | |
| 850 | |
| 851 case 1: | |
| 852 if ((I32 && | |
| 853 (amod1 == ASM_MODIFIERS._addr16 || | |
| 854 (uSizemaskTable1 & _16 && aoptyTable1 == ASM_OPERAND_TYPE._rel) || | |
| 855 (uSizemaskTable1 & _32 && aoptyTable1 == ASM_OPERAND_TYPE._mnoi) || | |
| 856 (ptb.pptb1.usFlags & _16_bit_addr))) || | |
| 857 (!I32 && | |
| 858 (amod1 == ASM_MODIFIERS._addr32 || | |
| 859 (uSizemaskTable1 & _32 && aoptyTable1 == ASM_OPERAND_TYPE._rel) || | |
| 860 (uSizemaskTable1 & _48 && aoptyTable1 == ASM_OPERAND_TYPE._mnoi) || | |
| 861 (ptb.pptb1.usFlags & _32_bit_addr)))) | |
| 862 { | |
| 863 emit(0x67); // address size prefix | |
| 864 pc.Iflags |= CF.CFaddrsize; | |
| 865 if (I32) | |
| 866 amod1 = ASM_MODIFIERS._addr16; | |
| 867 else | |
| 868 amod1 = ASM_MODIFIERS._addr32; | |
| 869 popnd1.usFlags &= ~CONSTRUCT_FLAGS(0,0,7,0); | |
| 870 popnd1.usFlags |= CONSTRUCT_FLAGS(0,0,amod1,0); | |
| 871 } | |
| 872 | |
| 873 // If the size of the operand is unknown, assume that it is | |
| 874 // the default size | |
| 875 if ((I32 && (ptb.pptb0.usFlags & _16_bit)) || | |
| 876 (!I32 && (ptb.pptb0.usFlags & _32_bit))) | |
| 877 { | |
| 878 //if (asmstate.ucItype != ITjump) | |
| 879 { emit(0x66); | |
| 880 pc.Iflags |= CF.CFopsize; | |
| 881 } | |
| 882 } | |
| 883 if (((pregSegment = (popndTmp = popnd1).segreg) != null) || | |
| 884 ((popndTmp = popnd2) != null && | |
| 885 (pregSegment = popndTmp.segreg) != null) | |
| 886 ) | |
| 887 { | |
| 888 if ((popndTmp.pregDisp1 && | |
| 889 popndTmp.pregDisp1.val == _BP) || | |
| 890 popndTmp.pregDisp2 && | |
| 891 popndTmp.pregDisp2.val == _BP) | |
| 892 usDefaultseg = _SS; | |
| 893 else | |
| 894 usDefaultseg = _DS; | |
| 895 if (pregSegment.val != usDefaultseg) | |
| 896 switch (pregSegment.val) { | |
| 897 case _CS: | |
| 898 emit(0x2e); | |
| 899 pc.Iflags |= CF.CFcs; | |
| 900 break; | |
| 901 case _SS: | |
| 902 emit(0x36); | |
| 903 pc.Iflags |= CF.CFss; | |
| 904 break; | |
| 905 case _DS: | |
| 906 emit(0x3e); | |
| 907 pc.Iflags |= CF.CFds; | |
| 908 break; | |
| 909 case _ES: | |
| 910 emit(0x26); | |
| 911 pc.Iflags |= CF.CFes; | |
| 912 break; | |
| 913 case _FS: | |
| 914 emit(0x64); | |
| 915 pc.Iflags |= CF.CFfs; | |
| 916 break; | |
| 917 case _GS: | |
| 918 emit(0x65); | |
| 919 pc.Iflags |= CF.CFgs; | |
| 920 break; | |
| 921 default: | |
| 922 assert(0); | |
| 923 } | |
| 924 } | |
| 925 break; | |
| 926 } | |
| 927 uint usOpcode = ptb.pptb0.usOpcode; | |
| 928 | |
| 929 if ((usOpcode & 0xFFFFFF00) == 0x660F3A00 || // SSE4 | |
| 930 (usOpcode & 0xFFFFFF00) == 0x660F3800) // SSE4 | |
| 931 { | |
| 932 pc.Iflags |= CF.CFopsize; | |
| 933 pc.Iop = 0x0F; | |
| 934 pc.Iop2 = (usOpcode >> 8) & 0xFF; | |
| 935 pc.Iop3 = usOpcode & 0xFF; | |
| 936 goto L3; | |
| 937 } | |
| 938 switch (usOpcode & 0xFF0000) | |
| 939 { | |
| 940 case 0: | |
| 941 break; | |
| 942 | |
| 943 case 0x660000: | |
| 944 pc.Iflags |= CF.CFopsize; | |
| 945 usOpcode &= 0xFFFF; | |
| 946 break; | |
| 947 | |
| 948 case 0xF20000: // REPNE | |
| 949 case 0xF30000: // REP/REPE | |
| 950 // BUG: What if there's an address size prefix or segment | |
| 951 // override prefix? Must the REP be adjacent to the rest | |
| 952 // of the opcode? | |
| 953 pcPrefix = code_calloc(); | |
| 954 pcPrefix.Iop = cast(ubyte)(usOpcode >> 16); | |
| 955 usOpcode &= 0xFFFF; | |
| 956 break; | |
| 957 | |
| 958 case 0x0F0000: // an AMD instruction | |
| 959 puc = (cast(ubyte*) &usOpcode); | |
| 960 if (puc[1] != 0x0F) // if not AMD instruction 0x0F0F | |
| 961 goto L4; | |
| 962 emit(puc[2]); | |
| 963 emit(puc[1]); | |
| 964 emit(puc[0]); | |
| 965 pc.Iop = puc[2]; | |
| 966 pc.Iop2 = puc[1]; | |
| 967 pc.IEVint2() = puc[0]; | |
| 968 pc.IFL2 = FL.FLconst; | |
| 969 goto L3; | |
| 970 | |
| 971 default: | |
| 972 puc = (cast(ubyte*) &usOpcode); | |
| 973 L4: | |
| 974 emit(puc[2]); | |
| 975 emit(puc[1]); | |
| 976 emit(puc[0]); | |
| 977 pc.Iop = puc[2]; | |
| 978 pc.Iop2 = puc[1]; | |
| 979 pc.Irm = puc[0]; | |
| 980 goto L3; | |
| 981 } | |
| 982 if (usOpcode & 0xff00) | |
| 983 { | |
| 984 puc = (cast(ubyte*) &(usOpcode)); | |
| 985 emit(puc[1]); | |
| 986 emit(puc[0]); | |
| 987 pc.Iop = puc[1]; | |
| 988 if (pc.Iop == 0x0f) | |
| 989 pc.Iop2 = puc[0]; | |
| 990 else | |
| 991 { | |
| 992 if (usOpcode == 0xDFE0) // FSTSW AX | |
| 993 { pc.Irm = puc[0]; | |
| 994 goto L2; | |
| 995 } | |
| 996 if (asmstate.ucItype == IT.ITfloat) | |
| 997 pc.Irm = puc[0]; | |
| 998 else | |
| 999 { | |
| 1000 pc.IEVint2() = puc[0]; | |
| 1001 pc.IFL2 = FL.FLconst; | |
| 1002 } | |
| 1003 } | |
| 1004 } | |
| 1005 else | |
| 1006 { | |
| 1007 emit(cast(ubyte)usOpcode); | |
| 1008 pc.Iop = cast(ubyte)usOpcode; | |
| 1009 } | |
| 1010 L3: ; | |
| 1011 | |
| 1012 // If CALL, Jxx or LOOPx to a symbolic location | |
| 1013 if (/*asmstate.ucItype == ITjump &&*/ | |
| 1014 popnd1 && popnd1.s && popnd1.s.isLabel()) | |
| 1015 { | |
| 1016 Dsymbol s = popnd1.s; | |
| 1017 if (s == asmstate.psDollar) | |
| 1018 { | |
| 1019 pc.IFL2 = FL.FLconst; | |
| 1020 if (uSizemaskTable1 & (_8 | _16)) | |
| 1021 pc.IEVint2() = popnd1.disp; | |
| 1022 else if (uSizemaskTable1 & _32) | |
| 1023 pc.IEVpointer2() = cast(targ_size_t) popnd1.disp; | |
| 1024 } | |
| 1025 else | |
| 1026 { | |
| 1027 LabelDsymbol label = s.isLabel(); | |
| 1028 if (label) | |
| 1029 { | |
| 1030 if ((pc.Iop & 0xF0) == 0x70) | |
| 1031 pc.Iflags |= CF.CFjmp16; | |
| 1032 if (usNumops == 1) | |
| 1033 { | |
| 1034 pc.IFL2 = FL.FLblock; | |
| 1035 pc.IEVlsym2() = label; | |
| 1036 } | |
| 1037 else | |
| 1038 { | |
| 1039 pc.IFL1 = FL.FLblock; | |
| 1040 pc.IEVlsym1() = label; | |
| 1041 } | |
| 1042 } | |
| 1043 } | |
| 1044 } | |
| 1045 | |
| 1046 switch (usNumops) | |
| 1047 { | |
| 1048 case 0: | |
| 1049 break; | |
| 1050 | |
| 1051 case 1: | |
| 1052 if (((aoptyTable1 == ASM_OPERAND_TYPE._reg || aoptyTable1 == ASM_OPERAND_TYPE._float) && | |
| 1053 amodTable1 == ASM_MODIFIERS._normal && (uRegmaskTable1 & _rplus_r))) | |
| 1054 { | |
| 1055 if (asmstate.ucItype == IT.ITfloat) | |
| 1056 pc.Irm += popnd1.base.val; | |
| 1057 else if (pc.Iop == 0x0f) | |
| 1058 pc.Iop2 += popnd1.base.val; | |
| 1059 else | |
| 1060 pc.Iop += popnd1.base.val; | |
| 1061 debug { | |
| 1062 auchOpcode[usIdx-1] += popnd1.base.val; | |
| 1063 } | |
| 1064 } | |
| 1065 else | |
| 1066 { | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1067 debug asm_make_modrm_byte( |
| 0 | 1068 auchOpcode, &usIdx, |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1069 pc, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1070 ptb.pptb1.usFlags, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1071 popnd1, null); |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1072 else asm_make_modrm_byte( |
| 0 | 1073 pc, |
| 1074 ptb.pptb1.usFlags, | |
| 1075 popnd1, null); | |
| 1076 } | |
| 1077 | |
| 1078 popndTmp = popnd1; | |
| 1079 aoptyTmp = aoptyTable1; | |
| 1080 uSizemaskTmp = cast(ushort)uSizemaskTable1; | |
| 1081 L1: | |
| 1082 if (aoptyTmp == ASM_OPERAND_TYPE._imm) | |
| 1083 { | |
| 1084 Declaration d = popndTmp.s ? popndTmp.s.isDeclaration() : null; | |
| 1085 if (popndTmp.bSeg) | |
| 1086 { | |
| 1087 if (!(d && d.isDataseg())) | |
| 1088 asmerr(ASMERRMSGS.EM_bad_addr_mode); // illegal addressing mode | |
| 1089 } | |
| 1090 switch (uSizemaskTmp) | |
| 1091 { | |
| 1092 case _8: | |
| 1093 case _16: | |
| 1094 case _32: | |
| 1095 if (popndTmp.s is asmstate.psLocalsize) | |
| 1096 { | |
| 1097 pc.IFL2 = FL.FLlocalsize; | |
| 1098 pc.IEVdsym2() = null; | |
| 1099 pc.Iflags |= CF.CFoff; | |
| 1100 pc.IEVoffset2() = popndTmp.disp; | |
| 1101 } | |
| 1102 else if (d) | |
| 1103 { | |
| 1104 static if (false) { | |
| 1105 if ((pc.IFL2 = d.Sfl) == 0) | |
| 1106 pc.IFL2 = FL.FLdsymbol; | |
| 1107 } else { | |
| 1108 pc.IFL2 = FL.FLdsymbol; | |
| 1109 } | |
| 1110 pc.Iflags &= ~(CF.CFseg | CF.CFoff); | |
| 1111 if (popndTmp.bSeg) | |
| 1112 pc.Iflags |= CF.CFseg; | |
| 1113 else | |
| 1114 pc.Iflags |= CF.CFoff; | |
| 1115 | |
| 1116 pc.IEVoffset2() = popndTmp.disp; | |
| 1117 pc.IEVdsym2() = d; | |
| 1118 } | |
| 1119 else | |
| 1120 { | |
| 1121 pc.IEVint2() = popndTmp.disp; | |
| 1122 pc.IFL2 = FL.FLconst; | |
| 1123 } | |
| 1124 break; | |
| 1125 } | |
| 1126 } | |
| 1127 | |
| 1128 break; | |
| 1129 case 2: | |
| 1130 // | |
| 1131 // If there are two immediate operands then | |
| 1132 // | |
| 1133 if (aoptyTable1 == ASM_OPERAND_TYPE._imm && aoptyTable2 == ASM_OPERAND_TYPE._imm) | |
| 1134 { | |
| 1135 pc.IEVint1() = popnd1.disp; | |
| 1136 pc.IFL1 = FL.FLconst; | |
| 1137 pc.IEVint2() = popnd2.disp; | |
| 1138 pc.IFL2 = FL.FLconst; | |
| 1139 break; | |
| 1140 } | |
| 1141 if (aoptyTable2 == ASM_OPERAND_TYPE._m || | |
| 1142 aoptyTable2 == ASM_OPERAND_TYPE._rel || | |
| 1143 // If not MMX register (_mm) or XMM register (_xmm) | |
| 1144 (amodTable1 == ASM_MODIFIERS._rspecial && !(uRegmaskTable1 & (0x08 | 0x10)) && !uSizemaskTable1) || | |
| 1145 aoptyTable2 == ASM_OPERAND_TYPE._rm || | |
| 1146 (popnd1.usFlags == _r32 && popnd2.usFlags == _xmm) || | |
| 1147 (popnd1.usFlags == _r32 && popnd2.usFlags == _mm)) | |
| 1148 { | |
| 1149 static if (false) { | |
| 1150 printf("test4 %d,%d,%d,%d\n", | |
| 1151 (aoptyTable2 == ASM_OPERAND_TYPE._m), | |
| 1152 (aoptyTable2 == ASM_OPERAND_TYPE._rel), | |
| 1153 (amodTable1 == ASM_MODIFIERS._rspecial && !(uRegmaskTable1 & (0x08 | 0x10))), | |
| 1154 (aoptyTable2 == ASM_OPERAND_TYPE._rm) | |
| 1155 ); | |
| 1156 printf("usOpcode = %x\n", usOpcode); | |
| 1157 } | |
| 1158 if (ptb.pptb0.usOpcode == 0x0F7E || // MOVD _rm32,_mm | |
| 1159 ptb.pptb0.usOpcode == 0x660F7E // MOVD _rm32,_xmm | |
| 1160 ) | |
| 1161 { | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1162 debug asm_make_modrm_byte( |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1163 auchOpcode, &usIdx, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1164 pc, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1165 ptb.pptb1.usFlags, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1166 popnd1, popnd2); |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1167 else asm_make_modrm_byte(pc, ptb.pptb1.usFlags, popnd1, popnd2); |
| 0 | 1168 } |
| 1169 else | |
| 1170 { | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1171 debug asm_make_modrm_byte( |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1172 auchOpcode, &usIdx, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1173 pc, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1174 ptb.pptb1.usFlags, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1175 popnd2, popnd1); |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1176 else asm_make_modrm_byte(pc, ptb.pptb1.usFlags, popnd2, popnd1); |
| 0 | 1177 } |
| 1178 popndTmp = popnd1; | |
| 1179 aoptyTmp = aoptyTable1; | |
| 1180 uSizemaskTmp = cast(ushort)uSizemaskTable1; | |
| 1181 } | |
| 1182 else | |
| 1183 { | |
| 1184 if (((aoptyTable1 == ASM_OPERAND_TYPE._reg || aoptyTable1 == ASM_OPERAND_TYPE._float) && | |
| 1185 amodTable1 == ASM_MODIFIERS._normal && | |
| 1186 (uRegmaskTable1 & _rplus_r))) | |
| 1187 { | |
| 1188 if (asmstate.ucItype == IT.ITfloat) | |
| 1189 pc.Irm += popnd1.base.val; | |
| 1190 else if (pc.Iop == 0x0f) | |
| 1191 pc.Iop2 += popnd1.base.val; | |
| 1192 else | |
| 1193 pc.Iop += popnd1.base.val; | |
| 1194 debug { | |
| 1195 auchOpcode[usIdx-1] += popnd1.base.val; | |
| 1196 } | |
| 1197 } | |
| 1198 else if (((aoptyTable2 == ASM_OPERAND_TYPE._reg || aoptyTable2 == ASM_OPERAND_TYPE._float) && | |
| 1199 amodTable2 == ASM_MODIFIERS._normal && | |
| 1200 (uRegmaskTable2 & _rplus_r))) | |
| 1201 { | |
| 1202 if (asmstate.ucItype == IT.ITfloat) | |
| 1203 pc.Irm += popnd2.base.val; | |
| 1204 else if (pc.Iop == 0x0f) | |
| 1205 pc.Iop2 += popnd2.base.val; | |
| 1206 else | |
| 1207 pc.Iop += popnd2.base.val; | |
| 1208 debug { | |
| 1209 auchOpcode[usIdx-1] += popnd2.base.val; | |
| 1210 } | |
| 1211 } | |
| 1212 else if (ptb.pptb0.usOpcode == 0xF30FD6 || | |
| 1213 ptb.pptb0.usOpcode == 0x0F12 || | |
| 1214 ptb.pptb0.usOpcode == 0x0F16 || | |
| 1215 ptb.pptb0.usOpcode == 0x660F50 || | |
| 1216 ptb.pptb0.usOpcode == 0x0F50 || | |
| 1217 ptb.pptb0.usOpcode == 0x660FD7 || | |
| 1218 ptb.pptb0.usOpcode == 0x0FD7) | |
| 1219 { | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1220 debug asm_make_modrm_byte( |
| 0 | 1221 ///debug { |
| 1222 auchOpcode, &usIdx, | |
| 1223 ///} | |
| 1224 pc, | |
| 1225 ptb.pptb1.usFlags, | |
| 1226 popnd2, popnd1); | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1227 else asm_make_modrm_byte( |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1228 pc, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1229 ptb.pptb1.usFlags, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1230 popnd2, popnd1); |
| 0 | 1231 } |
| 1232 else | |
| 1233 { | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1234 debug asm_make_modrm_byte( |
| 0 | 1235 ///debug { |
| 1236 auchOpcode, &usIdx, | |
| 1237 ///} | |
| 1238 pc, | |
| 1239 ptb.pptb1.usFlags, | |
| 1240 popnd1, popnd2); | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1241 else asm_make_modrm_byte( |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1242 pc, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1243 ptb.pptb1.usFlags, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1244 popnd1, popnd2); |
| 0 | 1245 |
| 1246 } | |
| 1247 if (aoptyTable1 == ASM_OPERAND_TYPE._imm) | |
| 1248 { | |
| 1249 popndTmp = popnd1; | |
| 1250 aoptyTmp = aoptyTable1; | |
| 1251 uSizemaskTmp = cast(ushort)uSizemaskTable1; | |
| 1252 } | |
| 1253 else | |
| 1254 { | |
| 1255 popndTmp = popnd2; | |
| 1256 aoptyTmp = aoptyTable2; | |
| 1257 uSizemaskTmp = cast(ushort)uSizemaskTable2; | |
| 1258 } | |
| 1259 } | |
| 1260 goto L1; | |
| 1261 | |
| 1262 case 3: | |
| 1263 if (aoptyTable2 == ASM_OPERAND_TYPE._m || aoptyTable2 == ASM_OPERAND_TYPE._rm || | |
| 1264 usOpcode == 0x0FC5) // PEXTRW | |
| 1265 { | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1266 debug asm_make_modrm_byte( |
| 0 | 1267 ///debug { |
| 1268 auchOpcode, &usIdx, | |
| 1269 ///} | |
| 1270 pc, | |
| 1271 ptb.pptb1.usFlags, | |
| 1272 popnd2, popnd1); | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1273 else asm_make_modrm_byte( |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1274 pc, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1275 ptb.pptb1.usFlags, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1276 popnd2, popnd1); |
| 0 | 1277 popndTmp = popnd3; |
| 1278 aoptyTmp = aoptyTable3; | |
| 1279 uSizemaskTmp = cast(ushort)uSizemaskTable3; | |
| 1280 } else { | |
| 1281 if (((aoptyTable1 == ASM_OPERAND_TYPE._reg || aoptyTable1 == ASM_OPERAND_TYPE._float) && | |
| 1282 amodTable1 == ASM_MODIFIERS._normal && | |
| 1283 (uRegmaskTable1 &_rplus_r))) | |
| 1284 { | |
| 1285 if (asmstate.ucItype == IT.ITfloat) | |
| 1286 pc.Irm += popnd1.base.val; | |
| 1287 else if (pc.Iop == 0x0f) | |
| 1288 pc.Iop2 += popnd1.base.val; | |
| 1289 else | |
| 1290 pc.Iop += popnd1.base.val; | |
| 1291 debug { | |
| 1292 auchOpcode[usIdx-1] += popnd1.base.val; | |
| 1293 } | |
| 1294 } | |
| 1295 else if (((aoptyTable2 == ASM_OPERAND_TYPE._reg || aoptyTable2 == ASM_OPERAND_TYPE._float) && | |
| 1296 amodTable2 == ASM_MODIFIERS._normal && | |
| 1297 (uRegmaskTable2 &_rplus_r))) | |
| 1298 { | |
| 1299 if (asmstate.ucItype == IT.ITfloat) | |
| 1300 pc.Irm += popnd1.base.val; | |
| 1301 else if (pc.Iop == 0x0f) | |
| 1302 pc.Iop2 += popnd1.base.val; | |
| 1303 else | |
| 1304 pc.Iop += popnd2.base.val; | |
| 1305 debug { | |
| 1306 auchOpcode[usIdx-1] += popnd2.base.val; | |
| 1307 } | |
| 1308 } | |
| 1309 else | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1310 { |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1311 debug asm_make_modrm_byte( |
| 0 | 1312 ///debug { |
| 1313 auchOpcode, &usIdx, | |
| 1314 ///} | |
| 1315 pc, | |
| 1316 ptb.pptb1.usFlags, | |
| 1317 popnd1, popnd2); | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1318 else asm_make_modrm_byte( |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1319 pc, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1320 ptb.pptb1.usFlags, |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1321 popnd1, popnd2); |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
1322 } |
| 0 | 1323 popndTmp = popnd3; |
| 1324 aoptyTmp = aoptyTable3; | |
| 1325 uSizemaskTmp = cast(ushort)uSizemaskTable3; | |
| 1326 } | |
| 1327 goto L1; | |
| 1328 } | |
| 1329 L2: | |
| 1330 | |
| 1331 if ((pc.Iop & 0xF8) == 0xD8 && | |
| 1332 ADDFWAIT() && | |
| 1333 !(ptb.pptb0.usFlags & _nfwait)) | |
| 1334 pc.Iflags |= CF.CFwait; | |
| 1335 else if ((ptb.pptb0.usFlags & _fwait) && | |
| 1336 config.target_cpu >= TARGET.TARGET_80386) | |
| 1337 pc.Iflags |= CF.CFwait; | |
| 1338 | |
| 1339 debug { | |
| 1340 if (debuga) | |
| 1341 { | |
| 1342 uint u; | |
| 1343 | |
| 1344 for (u = 0; u < usIdx; u++) | |
| 1345 printf(" %02X", auchOpcode[u]); | |
| 1346 | |
| 1347 printf("\t%s\t", asm_opstr(pop)); | |
| 1348 if (popnd1) | |
| 1349 asm_output_popnd(popnd1); | |
| 1350 if (popnd2) { | |
| 1351 printf(","); | |
| 1352 asm_output_popnd(popnd2); | |
| 1353 } | |
| 1354 if (popnd3) { | |
| 1355 printf(","); | |
| 1356 asm_output_popnd(popnd3); | |
| 1357 } | |
| 1358 printf("\n"); | |
| 1359 } | |
| 1360 } | |
| 1361 | |
| 1362 pc = cat(pcPrefix, pc); | |
| 1363 pc = asm_genloc(loc, pc); | |
| 1364 return pc; | |
| 1365 } | |
| 1366 | |
| 1367 void asm_token_trans(Token* tok) | |
| 1368 { | |
| 1369 tok_value = TOK.TOKeof; | |
| 1370 | |
| 1371 if (tok) | |
| 1372 { | |
| 1373 tok_value = tok.value; | |
| 1374 if (tok_value == TOK.TOKidentifier) | |
| 1375 { | |
| 1376 string id = tok.ident.toChars(); | |
| 1377 size_t len = id.length; | |
| 1378 if (len < 20) | |
| 1379 { | |
| 1380 ASMTK asmtk = cast(ASMTK) binary(toStringz(id), apszAsmtk.ptr, ASMTK.ASMTKmax); | |
| 1381 if (cast(int)asmtk >= 0) | |
| 1382 tok_value = cast(TOK)(asmtk + TOK.TOKMAX + 1); | |
| 1383 } | |
| 1384 } | |
| 1385 } | |
| 1386 } | |
| 1387 | |
| 1388 void asm_token() | |
| 1389 { | |
| 1390 if (asmtok) | |
| 1391 asmtok = asmtok.next; | |
| 1392 | |
| 1393 asm_token_trans(asmtok); | |
| 1394 } | |
| 1395 | |
| 1396 | |
| 1397 /********************** | |
| 1398 * If c is a power of 2, return that power else -1. | |
| 1399 */ | |
| 1400 | |
| 1401 int ispow2(ulong c) | |
| 1402 { | |
| 1403 int i; | |
| 1404 | |
| 1405 if (c == 0 || (c & (c - 1))) | |
| 1406 i = -1; | |
| 1407 else | |
| 1408 for (i = 0; c >>= 1; i++) { | |
| 1409 ; | |
| 1410 } | |
| 1411 | |
| 1412 return i; | |
| 1413 } | |
| 1414 | |
| 1415 // Error numbers | |
| 1416 enum ASMERRMSGS | |
| 1417 { | |
| 1418 EM_bad_float_op, | |
| 1419 EM_bad_addr_mode, | |
| 1420 EM_align, | |
| 1421 EM_opcode_exp, | |
| 1422 EM_prefix, | |
| 1423 EM_eol, | |
| 1424 EM_bad_operand, | |
| 1425 EM_bad_integral_operand, | |
| 1426 EM_ident_exp, | |
| 1427 EM_not_struct, | |
| 1428 EM_nops_expected, | |
| 1429 EM_bad_op, | |
| 1430 EM_const_init, | |
| 1431 EM_undefined, | |
| 1432 EM_pointer, | |
| 1433 EM_colon, | |
| 1434 EM_rbra, | |
| 1435 EM_rpar, | |
| 1436 EM_ptr_exp, | |
| 1437 EM_num, | |
| 1438 EM_float, | |
| 1439 EM_char, | |
| 1440 EM_label_expected, | |
| 1441 EM_uplevel, | |
| 1442 EM_type_as_operand, | |
| 1443 } | |
| 1444 | |
| 1445 mixin(BringToCurrentScope!(ASMERRMSGS)); | |
| 1446 | |
| 175 | 1447 enum string[] asmerrmsgs = |
| 0 | 1448 [ |
| 1449 "unknown operand for floating point instruction", | |
| 1450 "bad addr mode", | |
| 1451 "align %d must be a power of 2", | |
| 1452 "opcode expected, not %s", | |
| 1453 "prefix", | |
| 1454 "end of instruction", | |
| 1455 "bad operand", | |
| 1456 "bad integral operand", | |
| 1457 "identifier expected", | |
| 1458 "not struct", | |
| 1459 "nops expected", | |
| 1460 "bad type/size of operands '%s'", | |
| 1461 "constant initializer expected", | |
| 1462 "undefined identifier '%s'", | |
| 1463 "pointer", | |
| 1464 "colon", | |
| 1465 "] expected instead of '%s'", | |
| 1466 ") expected instead of '%s'", | |
| 1467 "ptr expected", | |
| 1468 "integer expected", | |
| 1469 "floating point expected", | |
| 1470 "character is truncated", | |
| 1471 "label expected", | |
| 1472 "uplevel nested reference to variable %s", | |
| 1473 "cannot use type %s as an operand" | |
| 1474 ]; | |
| 1475 | |
| 1476 void asmerr(T...)(int errnum, T t) | |
| 1477 { | |
| 1478 string format = asmerrmsgs[errnum]; | |
| 1479 asmerr(format, t); | |
| 1480 } | |
| 1481 | |
| 1482 void asmerr(T...)(string format, T t) | |
| 1483 { | |
| 1484 string p = asmstate.loc.toChars(); | |
| 1485 if (p.length != 0) | |
| 1486 writef("%s: ", p); | |
| 1487 | |
| 1488 writefln(format, t); | |
| 1489 | |
| 1490 longjmp(asmstate.env,1); | |
| 1491 } | |
| 1492 | |
| 1493 PTRNTAB asm_classify(OP* pop, OPND* popnd1, OPND* popnd2, OPND* popnd3, uint* pusNumops) | |
| 1494 { | |
| 1495 uint usNumops; | |
| 1496 uint usActual; | |
| 1497 PTRNTAB ptbRet = { null }; | |
| 1498 opflag_t usFlags1 = 0 ; | |
| 1499 opflag_t usFlags2 = 0; | |
| 1500 opflag_t usFlags3 = 0; | |
| 1501 | |
| 1502 PTRNTAB1 *pptb1; | |
| 1503 PTRNTAB2 *pptb2; | |
| 1504 PTRNTAB3 *pptb3; | |
| 1505 | |
| 1506 char bFake = false; | |
| 1507 | |
| 1508 ubyte bMatch1, bMatch2, bMatch3, bRetry = false; | |
| 1509 | |
| 1510 // How many arguments are there? the parser is strictly left to right | |
| 1511 // so this should work. | |
| 1512 | |
| 1513 if (!popnd1) | |
| 1514 usNumops = 0; | |
| 1515 else | |
| 1516 { | |
| 1517 popnd1.usFlags = usFlags1 = asm_determine_operand_flags(popnd1); | |
| 1518 if (!popnd2) | |
| 1519 usNumops = 1; | |
| 1520 else | |
| 1521 { | |
| 1522 popnd2.usFlags = usFlags2 = asm_determine_operand_flags(popnd2); | |
| 1523 if (!popnd3) | |
| 1524 usNumops = 2; | |
| 1525 else | |
| 1526 { | |
| 1527 popnd3.usFlags = usFlags3 = asm_determine_operand_flags(popnd3); | |
| 1528 usNumops = 3; | |
| 1529 } | |
| 1530 } | |
| 1531 } | |
| 1532 | |
| 1533 // Now check to insure that the number of operands is correct | |
| 1534 usActual = (pop.usNumops & IT.ITSIZE); | |
| 1535 if (usActual != usNumops && asmstate.ucItype != IT.ITopt && | |
| 1536 asmstate.ucItype != IT.ITfloat) | |
| 1537 { | |
| 1538 PARAM_ERROR: | |
| 1539 asmerr(ASMERRMSGS.EM_nops_expected, usActual, asm_opstr(pop), usNumops); | |
| 1540 } | |
| 1541 *pusNumops = usNumops; | |
| 1542 // | |
| 1543 // The number of arguments matches, now check to find the opcode | |
| 1544 // in the associated opcode table | |
| 1545 // | |
| 1546 RETRY: | |
| 1547 //printf("usActual = %d\n", usActual); | |
| 1548 switch (usActual) | |
| 1549 { | |
| 1550 case 0: | |
| 1551 ptbRet = pop.ptb ; | |
| 1552 goto RETURN_IT; | |
| 1553 | |
| 1554 case 1: | |
| 1555 //printf("usFlags1 = "); asm_output_flags(usFlags1); printf("\n"); | |
| 1556 for (pptb1 = pop.ptb.pptb1; pptb1.usOpcode != ASM_END; | |
| 1557 pptb1++) | |
| 1558 { | |
| 1559 //printf("table = "); asm_output_flags(pptb1.usOp1); printf("\n"); | |
| 1560 bMatch1 = asm_match_flags(usFlags1, pptb1.usOp1); | |
| 1561 if (bMatch1) | |
| 1562 { if (pptb1.usOpcode == 0x68 && | |
| 1563 I32 && | |
| 1564 pptb1.usOp1 == _imm16 | |
| 1565 ) | |
| 1566 // Don't match PUSH imm16 in 32 bit code | |
| 1567 continue; | |
| 1568 break; | |
| 1569 } | |
| 1570 if ((asmstate.ucItype == IT.ITimmed) && | |
| 1571 asm_match_flags(usFlags1, | |
| 1572 CONSTRUCT_FLAGS(_8 | _16 | _32, ASM_OPERAND_TYPE._imm, ASM_MODIFIERS._normal, | |
| 1573 0)) && | |
| 1574 popnd1.disp == pptb1.usFlags) | |
| 1575 break; | |
| 1576 if ((asmstate.ucItype == IT.ITopt || | |
| 1577 asmstate.ucItype == IT.ITfloat) && | |
| 1578 !usNumops && | |
| 1579 !pptb1.usOp1) | |
| 1580 { | |
| 1581 if (usNumops > 1) | |
| 1582 goto PARAM_ERROR; | |
| 1583 break; | |
| 1584 } | |
| 1585 } | |
| 1586 if (pptb1.usOpcode == ASM_END) | |
| 1587 { | |
| 1588 debug { | |
| 1589 if (debuga) | |
| 1590 { | |
| 1591 printf("\t%s\t", asm_opstr(pop)); | |
| 1592 if (popnd1) | |
| 1593 asm_output_popnd(popnd1); | |
| 1594 if (popnd2) { | |
| 1595 printf(","); | |
| 1596 asm_output_popnd(popnd2); | |
| 1597 } | |
| 1598 if (popnd3) { | |
| 1599 printf(","); | |
| 1600 asm_output_popnd(popnd3); | |
| 1601 } | |
| 1602 printf("\n"); | |
| 1603 | |
| 1604 printf("OPCODE mism = "); | |
| 1605 if (popnd1) | |
| 1606 asm_output_flags(popnd1.usFlags); | |
| 1607 else | |
| 1608 printf("NONE"); | |
| 1609 printf("\n"); | |
| 1610 } | |
| 1611 } | |
| 1612 TYPE_SIZE_ERROR: | |
| 1613 if (popnd1 && ASM_GET_aopty(popnd1.usFlags) != ASM_OPERAND_TYPE._reg) | |
| 1614 { | |
| 1615 usFlags1 = popnd1.usFlags |= _anysize; | |
| 1616 if (asmstate.ucItype == IT.ITjump) | |
| 1617 { | |
| 1618 if (bRetry && popnd1.s && !popnd1.s.isLabel()) | |
| 1619 { | |
| 1620 asmerr(ASMERRMSGS.EM_label_expected, popnd1.s.toChars()); | |
| 1621 } | |
| 1622 | |
| 1623 popnd1.usFlags |= CONSTRUCT_FLAGS(0, 0, 0, _fanysize); | |
| 1624 } | |
| 1625 } | |
| 1626 if (popnd2 && ASM_GET_aopty(popnd2.usFlags) != ASM_OPERAND_TYPE._reg) { | |
| 1627 usFlags2 = popnd2.usFlags |= (_anysize); | |
| 1628 if (asmstate.ucItype == IT.ITjump) | |
| 1629 popnd2.usFlags |= CONSTRUCT_FLAGS(0, 0, 0, | |
| 1630 _fanysize); | |
| 1631 } | |
| 1632 if (popnd3 && ASM_GET_aopty(popnd3.usFlags) != ASM_OPERAND_TYPE._reg) { | |
| 1633 usFlags3 = popnd3.usFlags |= (_anysize); | |
| 1634 if (asmstate.ucItype == IT.ITjump) | |
| 1635 popnd3.usFlags |= CONSTRUCT_FLAGS(0, 0, 0, | |
| 1636 _fanysize); | |
| 1637 } | |
| 1638 if (bRetry) | |
| 1639 { | |
| 1640 asmerr(ASMERRMSGS.EM_bad_op, fromStringz(asm_opstr(pop))); // illegal type/size of operands | |
| 1641 } | |
| 1642 bRetry = true; | |
| 1643 goto RETRY; | |
| 1644 } | |
| 1645 ptbRet.pptb1 = pptb1; | |
| 1646 goto RETURN_IT; | |
| 1647 | |
| 1648 case 2: | |
| 1649 //printf("usFlags1 = "); asm_output_flags(usFlags1); printf(" "); | |
| 1650 //printf("usFlags2 = "); asm_output_flags(usFlags2); printf("\n"); | |
| 1651 for (pptb2 = pop.ptb.pptb2; | |
| 1652 pptb2.usOpcode != ASM_END; | |
| 1653 pptb2++) | |
| 1654 { | |
| 1655 //printf("table1 = "); asm_output_flags(pptb2.usOp1); printf(" "); | |
| 1656 //printf("table2 = "); asm_output_flags(pptb2.usOp2); printf("\n"); | |
| 1657 bMatch1 = asm_match_flags(usFlags1, pptb2.usOp1); | |
| 1658 bMatch2 = asm_match_flags(usFlags2, pptb2.usOp2); | |
| 1659 //printf("match1 = %d, match2 = %d\n",bMatch1,bMatch2); | |
| 1660 if (bMatch1 && bMatch2) { | |
| 1661 | |
| 1662 //printf("match\n"); | |
| 1663 | |
| 1664 // OK, if they both match and the first op in the table is not AL | |
| 1665 // or size of 8 and the second is immediate 8, | |
| 1666 // then check to see if the constant | |
| 1667 // is a signed 8 bit constant. If so, then do not match, otherwise match | |
| 1668 // | |
| 1669 if (!bRetry && | |
| 1670 !((ASM_GET_uSizemask(pptb2.usOp1) & _8) || | |
| 1671 (ASM_GET_uRegmask(pptb2.usOp1) & _al)) && | |
| 1672 (ASM_GET_aopty(pptb2.usOp2) == ASM_OPERAND_TYPE._imm) && | |
| 1673 (ASM_GET_uSizemask(pptb2.usOp2) & _8)) | |
| 1674 { | |
| 1675 if (popnd2.disp <= char.max) | |
| 1676 break; | |
| 1677 else | |
| 1678 bFake = true; | |
| 1679 } | |
| 1680 else | |
| 1681 break; | |
| 1682 } | |
| 1683 if (asmstate.ucItype == IT.ITopt || asmstate.ucItype == IT.ITfloat) | |
| 1684 { | |
| 1685 switch (usNumops) | |
| 1686 { | |
| 1687 case 0: | |
| 1688 if (!pptb2.usOp1) | |
| 1689 goto Lfound2; | |
| 1690 break; | |
| 1691 case 1: | |
| 1692 if (bMatch1 && !pptb2.usOp2) | |
| 1693 goto Lfound2; | |
| 1694 break; | |
| 1695 case 2: | |
| 1696 break; | |
| 1697 default: | |
| 1698 goto PARAM_ERROR; | |
| 1699 } | |
| 1700 } | |
| 1701 static if (false) { | |
| 1702 if (asmstate.ucItype == IT.ITshift && | |
| 1703 !pptb2.usOp2 && | |
| 1704 bMatch1 && popnd2.disp == 1 && | |
| 1705 asm_match_flags(usFlags2, | |
| 1706 CONSTRUCT_FLAGS(_8|_16|_32, ASM_OPERAND_TYPE._imm,ASM_MODIFIERS._normal,0)) | |
| 1707 ) | |
| 1708 { | |
| 1709 break; | |
| 1710 } | |
| 1711 } | |
| 1712 } | |
| 1713 Lfound2: | |
| 1714 if (pptb2.usOpcode == ASM_END) | |
| 1715 { | |
| 1716 debug { | |
| 1717 if (debuga) | |
| 1718 { | |
| 1719 printf("\t%s\t", asm_opstr(pop)); | |
| 1720 if (popnd1) | |
| 1721 asm_output_popnd(popnd1); | |
| 1722 if (popnd2) { | |
| 1723 printf(","); | |
| 1724 asm_output_popnd(popnd2); | |
| 1725 } | |
| 1726 if (popnd3) { | |
| 1727 printf(","); | |
| 1728 asm_output_popnd(popnd3); | |
| 1729 } | |
| 1730 printf("\n"); | |
| 1731 | |
| 1732 printf("OPCODE mismatch = "); | |
| 1733 if (popnd1) | |
| 1734 asm_output_flags(popnd1.usFlags); | |
| 1735 else | |
| 1736 printf("NONE"); | |
| 1737 printf( " Op2 = "); | |
| 1738 if (popnd2) | |
| 1739 asm_output_flags(popnd2.usFlags); | |
| 1740 else | |
| 1741 printf("NONE"); | |
| 1742 printf("\n"); | |
| 1743 } | |
| 1744 } | |
| 1745 goto TYPE_SIZE_ERROR; | |
| 1746 } | |
| 1747 ptbRet.pptb2 = pptb2; | |
| 1748 goto RETURN_IT; | |
| 1749 | |
| 1750 case 3: | |
| 1751 for (pptb3 = pop.ptb.pptb3; | |
| 1752 pptb3.usOpcode != ASM_END; | |
| 1753 pptb3++) | |
| 1754 { | |
| 1755 bMatch1 = asm_match_flags(usFlags1, pptb3.usOp1); | |
| 1756 bMatch2 = asm_match_flags(usFlags2, pptb3.usOp2); | |
| 1757 bMatch3 = asm_match_flags(usFlags3, pptb3.usOp3); | |
| 1758 if (bMatch1 && bMatch2 && bMatch3) | |
| 1759 goto Lfound3; | |
| 1760 | |
| 1761 if (asmstate.ucItype == IT.ITopt) | |
| 1762 { | |
| 1763 switch (usNumops) | |
| 1764 { | |
| 1765 case 0: | |
| 1766 if (!pptb3.usOp1) | |
| 1767 goto Lfound3; | |
| 1768 break; | |
| 1769 case 1: | |
| 1770 if (bMatch1 && !pptb3.usOp2) | |
| 1771 goto Lfound3; | |
| 1772 break; | |
| 1773 case 2: | |
| 1774 if (bMatch1 && bMatch2 && !pptb3.usOp3) | |
| 1775 goto Lfound3; | |
| 1776 break; | |
| 1777 case 3: | |
| 1778 break; | |
| 1779 default: | |
| 1780 goto PARAM_ERROR; | |
| 1781 } | |
| 1782 } | |
| 1783 } | |
| 1784 Lfound3: | |
| 1785 if (pptb3.usOpcode == ASM_END) | |
| 1786 { | |
| 1787 debug { | |
| 1788 if (debuga) | |
| 1789 { | |
| 1790 printf("\t%s\t", asm_opstr(pop)); | |
| 1791 if (popnd1) | |
| 1792 asm_output_popnd(popnd1); | |
| 1793 if (popnd2) { | |
| 1794 printf(","); | |
| 1795 asm_output_popnd(popnd2); | |
| 1796 } | |
| 1797 if (popnd3) { | |
| 1798 printf(","); | |
| 1799 asm_output_popnd(popnd3); | |
| 1800 } | |
| 1801 printf("\n"); | |
| 1802 | |
| 1803 printf("OPCODE mismatch = "); | |
| 1804 if (popnd1) | |
| 1805 asm_output_flags(popnd1.usFlags); | |
| 1806 else | |
| 1807 printf("NONE"); | |
| 1808 printf( " Op2 = "); | |
| 1809 if (popnd2) | |
| 1810 asm_output_flags(popnd2.usFlags); | |
| 1811 else | |
| 1812 printf("NONE"); | |
| 1813 if (popnd3) | |
| 1814 asm_output_flags(popnd3.usFlags); | |
| 1815 printf("\n"); | |
| 1816 } | |
| 1817 } | |
| 1818 goto TYPE_SIZE_ERROR; | |
| 1819 } | |
| 1820 | |
| 1821 ptbRet.pptb3 = pptb3; | |
| 1822 goto RETURN_IT; | |
| 1823 } | |
| 1824 | |
| 1825 RETURN_IT: | |
| 1826 if (bRetry && !bFake) | |
| 1827 { | |
| 1828 asmerr(ASMERRMSGS.EM_bad_op, fromStringz(asm_opstr(pop))); | |
| 1829 } | |
| 1830 return ptbRet; | |
| 1831 } | |
| 1832 | |
| 1833 /******************************* | |
| 1834 * start of inline assemblers expression parser | |
| 1835 * NOTE: functions in call order instead of alphabetical | |
| 1836 */ | |
| 1837 | |
| 1838 /******************************************* | |
| 1839 * Parse DA expression | |
| 1840 * | |
| 1841 * Very limited define address to place a code | |
| 1842 * address in the assembly | |
| 1843 * Problems: | |
| 1844 * o Should use dw offset and dd offset instead, | |
| 1845 * for near/far support. | |
| 1846 * o Should be able to add an offset to the label address. | |
| 1847 * o Blocks addressed by DA should get their Bpred set correctly | |
| 1848 * for optimizer. | |
| 1849 */ | |
| 1850 | |
| 1851 code* asm_da_parse(OP* pop) | |
| 1852 { | |
| 1853 code* clst = null; | |
| 1854 elem* e; | |
| 1855 | |
| 1856 while (1) | |
| 1857 { | |
| 1858 code* c; | |
| 1859 | |
| 1860 if (tok_value == TOK.TOKidentifier) | |
| 1861 { | |
| 1862 LabelDsymbol label = asmstate.sc.func.searchLabel(asmtok.ident); | |
| 1863 if (!label) | |
| 1864 error(asmstate.loc, "label '%s' not found\n", asmtok.ident.toChars()); | |
| 1865 | |
| 1866 c = code_calloc(); | |
| 1867 c.Iop = ASM; | |
| 1868 c.Iflags = CF.CFaddrsize; | |
| 1869 c.IFL1 = FL.FLblockoff; | |
| 1870 c.IEVlsym1() = label; | |
| 1871 c = asm_genloc(asmstate.loc, c); | |
| 1872 clst = cat(clst,c); | |
| 1873 } | |
| 1874 else | |
| 1875 asmerr(ASMERRMSGS.EM_bad_addr_mode); // illegal addressing mode | |
| 1876 | |
| 1877 asm_token(); | |
| 1878 if (tok_value != TOK.TOKcomma) | |
| 1879 break; | |
| 1880 | |
| 1881 asm_token(); | |
| 1882 } | |
| 1883 | |
| 1884 asmstate.statement.regs |= mES | ALLREGS; | |
| 1885 asmstate.bReturnax = true; | |
| 1886 | |
| 1887 return clst; | |
| 1888 } | |
| 1889 | |
| 1890 /******************************************* | |
| 1891 * Parse DB, DW, DD, DQ and DT expressions. | |
| 1892 */ | |
| 1893 | |
| 1894 code* asm_db_parse(OP* pop) | |
| 1895 { | |
| 1896 uint usSize; | |
| 1897 uint usMaxbytes; | |
| 1898 uint usBytes; | |
| 1899 | |
| 1900 union DT | |
| 1901 { | |
| 1902 targ_ullong ul; | |
| 1903 targ_float f; | |
| 1904 targ_double d; | |
| 1905 targ_ldouble ld; | |
| 1906 char value[10]; | |
| 1907 } | |
| 1908 | |
| 1909 DT dt; | |
| 1910 | |
| 1911 code* c; | |
| 1912 uint op; | |
| 174 | 1913 enum ubyte[7] opsize = [ 1,2,4,8,4,8,10 ]; |
| 0 | 1914 |
| 1915 op = pop.usNumops & IT.ITSIZE; | |
| 1916 usSize = opsize[op]; | |
| 1917 | |
| 1918 usBytes = 0; | |
| 1919 usMaxbytes = 0; | |
| 1920 c = code_calloc(); | |
| 1921 c.Iop = ASM; | |
| 1922 | |
| 1923 while (1) | |
| 1924 { | |
| 1925 size_t len; | |
| 1926 ubyte* q; | |
| 1927 | |
| 1928 if (usBytes+usSize > usMaxbytes) | |
| 1929 { | |
| 1930 usMaxbytes = usBytes + usSize + 10; | |
|
5
63623152e82a
Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents:
4
diff
changeset
|
1931 c.IEV1.as.bytes = cast(char*)realloc(c.IEV1.as.bytes,usMaxbytes); |
| 0 | 1932 } |
| 1933 switch (tok_value) | |
| 1934 { | |
| 1935 case TOK.TOKint32v: | |
| 1936 dt.ul = asmtok.int32value; | |
| 1937 goto L1; | |
| 1938 case TOK.TOKuns32v: | |
| 1939 dt.ul = asmtok.uns32value; | |
| 1940 goto L1; | |
| 1941 case TOK.TOKint64v: | |
| 1942 dt.ul = asmtok.int64value; | |
| 1943 goto L1; | |
| 1944 case TOK.TOKuns64v: | |
| 1945 dt.ul = asmtok.uns64value; | |
| 1946 goto L1; | |
| 1947 L1: | |
| 1948 switch (op) | |
| 1949 { | |
| 1950 case OP_DB.OPdb: | |
| 1951 case OP_DB.OPds: | |
| 1952 case OP_DB.OPdi: | |
| 1953 case OP_DB.OPdl: | |
| 1954 break; | |
| 1955 default: | |
| 1956 asmerr(ASMERRMSGS.EM_float); | |
| 1957 } | |
| 1958 goto L2; | |
| 1959 | |
| 1960 case TOK.TOKfloat32v: | |
| 1961 case TOK.TOKfloat64v: | |
| 1962 case TOK.TOKfloat80v: | |
| 1963 switch (op) | |
| 1964 { | |
| 1965 case OP_DB.OPdf: | |
| 1966 dt.f = asmtok.float80value; | |
| 1967 break; | |
| 1968 case OP_DB.OPdd: | |
| 1969 dt.d = asmtok.float80value; | |
| 1970 break; | |
| 1971 case OP_DB.OPde: | |
| 1972 dt.ld = asmtok.float80value; | |
| 1973 break; | |
| 1974 default: | |
| 1975 asmerr(ASMERRMSGS.EM_num); | |
| 1976 } | |
| 1977 goto L2; | |
| 1978 | |
| 1979 L2: | |
| 1980 memcpy(c.IEV1.as.bytes + usBytes,&dt,usSize); | |
| 1981 usBytes += usSize; | |
| 1982 break; | |
| 1983 | |
| 1984 case TOK.TOKstring: | |
| 1985 len = asmtok.len; | |
| 1986 q = cast(ubyte*)asmtok.ustring; | |
| 1987 L3: | |
| 1988 if (len) | |
| 1989 { | |
| 1990 usMaxbytes += len * usSize; | |
|
5
63623152e82a
Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents:
4
diff
changeset
|
1991 c.IEV1.as.bytes = cast(char*)realloc(c.IEV1.as.bytes,usMaxbytes); |
| 0 | 1992 memcpy(c.IEV1.as.bytes + usBytes,asmtok.ustring,len); |
| 1993 | |
| 1994 char* p = c.IEV1.as.bytes + usBytes; | |
| 1995 for (size_t i = 0; i < len; i++) | |
| 1996 { | |
| 1997 // Be careful that this works | |
| 1998 memset(p, 0, usSize); | |
| 1999 switch (op) | |
| 2000 { | |
| 2001 case OP_DB.OPdb: | |
| 2002 *p = cast(ubyte)*q; | |
| 2003 if (*p != *q) | |
| 2004 asmerr(ASMERRMSGS.EM_char); | |
| 2005 break; | |
| 2006 | |
| 2007 case OP_DB.OPds: | |
| 2008 *cast(short*)p = *cast(ubyte*)q; | |
| 2009 if (*cast(short*)p != *q) | |
| 2010 asmerr(ASMERRMSGS.EM_char); | |
| 2011 break; | |
| 2012 | |
| 2013 case OP_DB.OPdi: | |
| 2014 case OP_DB.OPdl: | |
| 2015 *cast(int*)p = *q; | |
| 2016 break; | |
| 2017 | |
| 2018 default: | |
| 2019 asmerr(ASMERRMSGS.EM_float); | |
| 2020 } | |
| 2021 q++; | |
| 2022 p += usSize; | |
| 2023 } | |
| 2024 | |
| 2025 usBytes += len * usSize; | |
| 2026 } | |
| 2027 break; | |
| 2028 | |
| 2029 case TOK.TOKidentifier: | |
| 2030 { | |
| 2031 Expression e = new IdentifierExp(asmstate.loc, asmtok.ident); | |
| 2032 e = e.semantic(asmstate.sc); | |
| 2033 e = e.optimize(WANT.WANTvalue | WANT.WANTinterpret); | |
| 2034 if (e.op == TOK.TOKint64) | |
| 2035 { | |
| 2036 dt.ul = e.toInteger(); | |
| 2037 goto L2; | |
| 2038 } | |
| 2039 else if (e.op == TOK.TOKfloat64) | |
| 2040 { | |
| 2041 switch (op) | |
| 2042 { | |
| 2043 case OP_DB.OPdf: | |
| 2044 dt.f = e.toReal(); | |
| 2045 break; | |
| 2046 case OP_DB.OPdd: | |
| 2047 dt.d = e.toReal(); | |
| 2048 break; | |
| 2049 case OP_DB.OPde: | |
| 2050 dt.ld = e.toReal(); | |
| 2051 break; | |
| 2052 default: | |
| 2053 asmerr(ASMERRMSGS.EM_num); | |
| 2054 } | |
| 2055 goto L2; | |
| 2056 } | |
| 2057 else if (e.op == TOK.TOKstring) | |
| 2058 { | |
| 2059 StringExp se = cast(StringExp)e; | |
| 2060 q = cast(ubyte*)se.string_; | |
| 2061 len = se.len; | |
| 2062 goto L3; | |
| 2063 } | |
| 2064 goto Ldefault; | |
| 2065 } | |
| 2066 | |
| 2067 default: | |
| 2068 Ldefault: | |
| 2069 asmerr(ASMERRMSGS.EM_const_init); // constant initializer | |
| 2070 break; | |
| 2071 } | |
| 2072 c.IEV1.as.len = usBytes; | |
| 2073 | |
| 2074 asm_token(); | |
| 2075 if (tok_value != TOK.TOKcomma) | |
| 2076 break; | |
| 2077 | |
| 2078 asm_token(); | |
| 2079 } | |
| 2080 | |
| 2081 c = asm_genloc(asmstate.loc, c); | |
| 2082 | |
| 2083 asmstate.statement.regs |= /* mES| */ ALLREGS; | |
| 2084 asmstate.bReturnax = true; | |
| 2085 | |
| 2086 return c; | |
| 2087 } | |
| 2088 | |
| 2089 /********************************** | |
| 2090 * Parse and get integer expression. | |
| 2091 */ | |
| 2092 | |
| 2093 int asm_getnum() | |
| 2094 { | |
| 2095 int v; | |
| 2096 long i; | |
| 2097 | |
| 2098 switch (tok_value) | |
| 2099 { | |
| 2100 case TOK.TOKint32v: | |
| 2101 v = asmtok.int32value; | |
| 2102 break; | |
| 2103 | |
| 2104 case TOK.TOKuns32v: | |
| 2105 v = asmtok.uns32value; | |
| 2106 break; | |
| 2107 | |
| 2108 case TOK.TOKidentifier: | |
| 2109 Expression e = new IdentifierExp(asmstate.loc, asmtok.ident); | |
| 2110 e = e.semantic(asmstate.sc); | |
| 2111 e = e.optimize(WANT.WANTvalue | WANT.WANTinterpret); | |
| 2112 i = e.toInteger(); | |
| 2113 v = cast(int) i; | |
| 2114 if (v != i) | |
| 2115 asmerr(ASMERRMSGS.EM_num); | |
| 2116 break; | |
| 2117 | |
| 2118 default: | |
| 2119 asmerr(ASMERRMSGS.EM_num); | |
| 2120 break; | |
| 2121 } | |
| 2122 | |
| 2123 asm_token(); | |
| 2124 | |
| 2125 return v; | |
| 2126 } | |
| 2127 | |
| 2128 | |
| 2129 /******************************* | |
| 2130 */ | |
| 2131 | |
| 2132 OPND* asm_cond_exp() | |
| 2133 { | |
| 2134 OPND* o1; | |
| 2135 OPND* o2; | |
| 2136 OPND* o3; | |
| 2137 | |
| 2138 //printf("asm_cond_exp()\n"); | |
| 2139 o1 = asm_log_or_exp(); | |
| 2140 if (tok_value == TOK.TOKquestion) | |
| 2141 { | |
| 2142 asm_token(); | |
| 2143 o2 = asm_cond_exp(); | |
| 2144 asm_token(); | |
| 2145 asm_chktok(TOK.TOKcolon, ASMERRMSGS.EM_colon); | |
| 2146 o3 = asm_cond_exp(); | |
| 2147 o1 = (o1.disp) ? o2 : o3; | |
| 2148 } | |
| 2149 | |
| 2150 return o1; | |
| 2151 } | |
| 2152 | |
| 2153 regm_t asm_modify_regs(PTRNTAB ptb, OPND* popnd1, OPND* popnd2) | |
| 2154 { | |
| 2155 regm_t usRet = 0; | |
| 2156 | |
| 2157 switch (ptb.pptb0.usFlags & MOD_MASK) { | |
| 2158 case _modsi: | |
| 2159 usRet |= mSI; | |
| 2160 break; | |
| 2161 case _moddx: | |
| 2162 usRet |= mDX; | |
| 2163 break; | |
| 2164 case _mod2: | |
| 2165 if (popnd2) | |
| 2166 usRet |= asm_modify_regs(ptb, popnd2, null); | |
| 2167 break; | |
| 2168 case _modax: | |
| 2169 usRet |= mAX; | |
| 2170 break; | |
| 2171 case _modnot1: | |
| 2172 popnd1 = null; | |
| 2173 break; | |
| 2174 case _modaxdx: | |
| 2175 usRet |= (mAX | mDX); | |
| 2176 break; | |
| 2177 case _moddi: | |
| 2178 usRet |= mDI; | |
| 2179 break; | |
| 2180 case _modsidi: | |
| 2181 usRet |= (mSI | mDI); | |
| 2182 break; | |
| 2183 case _modcx: | |
| 2184 usRet |= mCX; | |
| 2185 break; | |
| 2186 case _modes: | |
| 2187 /*usRet |= mES;*/ | |
| 2188 break; | |
| 2189 case _modall: | |
| 2190 asmstate.bReturnax = true; | |
| 2191 return /*mES |*/ ALLREGS; | |
| 2192 case _modsiax: | |
| 2193 usRet |= (mSI | mAX); | |
| 2194 break; | |
| 2195 case _modsinot1: | |
| 2196 usRet |= mSI; | |
| 2197 popnd1 = null; | |
| 2198 break; | |
| 2199 default: | |
| 2200 break; /// | |
| 2201 } | |
| 2202 if (popnd1 && ASM_GET_aopty(popnd1.usFlags) == ASM_OPERAND_TYPE._reg) { | |
| 2203 switch (ASM_GET_amod(popnd1.usFlags)) { | |
| 2204 default: | |
| 2205 if (ASM_GET_uSizemask(popnd1.usFlags) == _8) { | |
| 2206 switch(popnd1.base.val) { | |
| 2207 case _AL: | |
| 2208 case _AH: | |
| 2209 usRet |= mAX; | |
| 2210 break; | |
| 2211 case _BL: | |
| 2212 case _BH: | |
| 2213 usRet |= mBX; | |
| 2214 break; | |
| 2215 case _CL: | |
| 2216 case _CH: | |
| 2217 usRet |= mCX; | |
| 2218 break; | |
| 2219 case _DL: | |
| 2220 case _DH: | |
| 2221 usRet |= mDX; | |
| 2222 break; | |
| 2223 } | |
| 2224 } | |
| 2225 else { | |
| 2226 switch (popnd1.base.val) { | |
| 2227 case _AX: | |
| 2228 usRet |= mAX; | |
| 2229 break; | |
| 2230 case _BX: | |
| 2231 usRet |= mBX; | |
| 2232 break; | |
| 2233 case _CX: | |
| 2234 usRet |= mCX; | |
| 2235 break; | |
| 2236 case _DX: | |
| 2237 usRet |= mDX; | |
| 2238 break; | |
| 2239 case _SI: | |
| 2240 usRet |= mSI; | |
| 2241 break; | |
| 2242 case _DI: | |
| 2243 usRet |= mDI; | |
| 2244 break; | |
| 2245 default: | |
| 2246 break; /// | |
| 2247 } | |
| 2248 } | |
| 2249 break; | |
| 2250 | |
| 2251 case ASM_MODIFIERS._rseg: | |
| 2252 //if (popnd1.base.val == _ES) | |
| 2253 //usRet |= mES; | |
| 2254 break; | |
| 2255 | |
| 2256 case ASM_MODIFIERS._rspecial: | |
| 2257 break; | |
| 2258 } | |
| 2259 } | |
| 2260 if (usRet & mAX) | |
| 2261 asmstate.bReturnax = true; | |
| 2262 | |
| 2263 return usRet; | |
| 2264 } | |
| 2265 | |
| 2266 | |
| 2267 /**************************** | |
| 2268 * Fill in the modregrm and sib bytes of code. | |
| 2269 */ | |
| 2270 | |
| 2271 uint X(ubyte r1, ubyte r2) { | |
| 2272 return (((r1) * 16) + (r2)); | |
| 2273 } | |
| 2274 | |
| 2275 uint Y(ubyte r1) { | |
| 2276 return X(r1, 9); | |
| 2277 } | |
| 2278 | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
2279 // Save a copy/pasted function |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
2280 template Tuple(T...) { alias T Tuple; } |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
2281 debug alias Tuple!(ubyte[], uint*) asm_make_modrm_args; |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
2282 else alias Tuple!() asm_make_modrm_args; |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
2283 |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
2284 void asm_make_modrm_byte(asm_make_modrm_args ocidx, code *pc, ushort usFlags, OPND *popnd, OPND *popnd2) |
| 0 | 2285 { |
| 2286 /// #undef modregrm | |
|
20
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
2287 debug alias ocidx[0] puchOpcode; |
|
1628b221808d
Fleshed out more unimplemented methods.
Robert Clipsham <robert@octarineparrot.com>
parents:
14
diff
changeset
|
2288 debug alias ocidx[1] pusIdx; |
| 0 | 2289 union MODRM_BYTE // mrmb |
| 2290 { | |
| 2291 struct MODRM | |
| 2292 { | |
| 2293 mixin(bitfields!( | |
| 2294 uint, "rm", 3, | |
| 2295 uint, "reg", 3, | |
| 2296 uint, "mod", 2)); | |
| 2297 } | |
| 2298 | |
| 2299 ubyte uchOpcode; | |
| 2300 MODRM modregrm; | |
| 2301 } | |
| 2302 | |
| 2303 union SIB_BYTE | |
| 2304 { | |
| 2305 struct SIB | |
| 2306 { | |
| 2307 | |
| 2308 mixin(bitfields!( | |
| 2309 uint, "base", 3, | |
| 2310 uint, "index", 3, | |
| 2311 uint, "ss", 2)); | |
| 2312 } | |
| 2313 | |
| 2314 ubyte uchOpcode; | |
| 2315 SIB sib; | |
| 2316 } | |
| 2317 | |
| 2318 | |
| 2319 MODRM_BYTE mrmb; | |
| 2320 SIB_BYTE sib; | |
| 2321 char bSib = false; | |
| 2322 char bDisp = false; | |
| 2323 char b32bit = false; | |
| 2324 ubyte* puc; | |
| 2325 char bModset = false; | |
| 2326 Dsymbol s; | |
| 2327 | |
| 2328 uint uSizemask = 0; | |
| 2329 ASM_OPERAND_TYPE aopty; | |
| 2330 ASM_MODIFIERS amod; | |
| 2331 ushort uRegmask; | |
| 2332 ubyte bOffsetsym = false; | |
| 2333 | |
| 2334 static if (false) { | |
| 2335 printf("asm_make_modrm_byte(usFlags = x%x)\n", usFlags); | |
| 2336 printf("op1: "); | |
| 2337 asm_output_flags(popnd.usFlags); | |
| 2338 if (popnd2) | |
| 2339 { | |
| 2340 printf(" op2: "); | |
| 2341 asm_output_flags(popnd2.usFlags); | |
| 2342 } | |
| 2343 printf("\n"); | |
| 2344 } | |
| 2345 | |
| 2346 uSizemask = ASM_GET_uSizemask(popnd.usFlags); | |
| 2347 aopty = ASM_GET_aopty(popnd.usFlags); | |
| 2348 amod = ASM_GET_amod(popnd.usFlags); | |
| 2349 uRegmask = ASM_GET_uRegmask(popnd.usFlags); | |
| 2350 s = popnd.s; | |
| 2351 if (s) | |
| 2352 { | |
| 2353 Declaration d = s.isDeclaration(); | |
| 2354 | |
| 2355 if (amod == ASM_MODIFIERS._fn16 && aopty == ASM_OPERAND_TYPE._rel && popnd2) | |
| 2356 { | |
| 2357 aopty = ASM_OPERAND_TYPE._m; | |
| 2358 goto L1; | |
| 2359 } | |
| 2360 | |
| 2361 if (amod == ASM_MODIFIERS._fn16 || amod == ASM_MODIFIERS._fn32) | |
| 2362 { | |
| 2363 pc.Iflags |= CF.CFoff; | |
| 2364 debug { | |
| 2365 puchOpcode[(*pusIdx)++] = 0; | |
| 2366 puchOpcode[(*pusIdx)++] = 0; | |
| 2367 } | |
| 2368 if (aopty == ASM_OPERAND_TYPE._m || aopty == ASM_OPERAND_TYPE._mnoi) | |
| 2369 { | |
| 2370 pc.IFL1 = FL.FLdata; | |
| 2371 pc.IEVdsym1() = d; | |
| 2372 pc.IEVoffset1() = 0; | |
| 2373 } | |
| 2374 else | |
| 2375 { | |
| 2376 if (aopty == ASM_OPERAND_TYPE._p) | |
| 2377 pc.Iflags |= CF.CFseg; | |
| 2378 | |
| 2379 debug if (aopty == ASM_OPERAND_TYPE._p || aopty == ASM_OPERAND_TYPE._rel) | |
| 2380 { | |
| 2381 puchOpcode[(*pusIdx)++] = 0; | |
| 2382 puchOpcode[(*pusIdx)++] = 0; | |
| 2383 } | |
| 2384 | |
| 2385 pc.IFL2 = FL.FLfunc; | |
| 2386 pc.IEVdsym2() = d; | |
| 2387 pc.IEVoffset2() = 0; | |
| 2388 //return; | |
| 2389 } | |
| 2390 } | |
| 2391 else | |
| 2392 { | |
| 2393 L1: | |
| 2394 LabelDsymbol label = s.isLabel(); | |
| 2395 if (label) | |
| 2396 { | |
| 2397 if (s == asmstate.psDollar) | |
| 2398 { | |
| 2399 pc.IFL1 = FL.FLconst; | |
| 2400 if (uSizemask & (_8 | _16)) | |
| 2401 pc.IEVint1() = popnd.disp; | |
| 2402 else if (uSizemask & _32) | |
| 2403 pc.IEVpointer1() = cast(targ_size_t) popnd.disp; | |
| 2404 } | |
| 2405 else | |
| 2406 { | |
| 2407 pc.IFL1 = FL.FLblockoff; | |
| 2408 pc.IEVlsym1() = label; | |
| 2409 } | |
| 2410 } | |
| 2411 else if (s == asmstate.psLocalsize) | |
| 2412 { | |
| 2413 pc.IFL1 = FL.FLlocalsize; | |
| 2414 pc.IEVdsym1() = null; | |
| 2415 pc.Iflags |= CF.CFoff; | |
| 2416 pc.IEVoffset1() = popnd.disp; | |
| 2417 } | |
| 2418 else if (s.isFuncDeclaration()) | |
| 2419 { | |
| 2420 pc.IFL1 = FL.FLfunc; | |
| 2421 pc.IEVdsym1() = d; | |
| 2422 pc.IEVoffset1() = popnd.disp; | |
| 2423 } | |
| 2424 else | |
| 2425 { | |
| 2426 debug if (debuga) | |
| 2427 printf("Setting up symbol %s\n", d.ident.toChars()); | |
| 2428 | |
| 2429 pc.IFL1 = FL.FLdsymbol; | |
| 2430 pc.IEVdsym1() = d; | |
| 2431 pc.Iflags |= CF.CFoff; | |
| 2432 pc.IEVoffset1() = popnd.disp; | |
| 2433 } | |
| 2434 } | |
| 2435 } | |
| 2436 | |
| 2437 mrmb.modregrm.reg = usFlags & NUM_MASK; | |
| 2438 | |
| 2439 if (s && (aopty == ASM_OPERAND_TYPE._m || aopty == ASM_OPERAND_TYPE._mnoi) && !s.isLabel()) | |
| 2440 { | |
| 2441 if (s == asmstate.psLocalsize) | |
| 2442 { | |
| 2443 DATA_REF: | |
| 2444 mrmb.modregrm.rm = BPRM; | |
| 2445 if (amod == ASM_MODIFIERS._addr16 || amod == ASM_MODIFIERS._addr32) | |
| 2446 mrmb.modregrm.mod = 0x2; | |
| 2447 else | |
| 2448 mrmb.modregrm.mod = 0x0; | |
| 2449 } | |
| 2450 else | |
| 2451 { | |
| 2452 Declaration d = s.isDeclaration(); | |
| 2453 assert(d); | |
| 2454 if (d.isDataseg() || d.isCodeseg()) | |
| 2455 { | |
| 2456 if (( I32 && amod == ASM_MODIFIERS._addr16) || | |
| 2457 (!I32 && amod == ASM_MODIFIERS._addr32)) | |
| 2458 asmerr(ASMERRMSGS.EM_bad_addr_mode); // illegal addressing mode | |
| 2459 goto DATA_REF; | |
| 2460 } | |
| 2461 mrmb.modregrm.rm = BPRM; | |
| 2462 mrmb.modregrm.mod = 0x2; | |
| 2463 } | |
| 2464 } | |
| 2465 | |
| 2466 if (aopty == ASM_OPERAND_TYPE._reg || amod == ASM_MODIFIERS._rspecial) { | |
| 2467 mrmb.modregrm.mod = 0x3; | |
| 2468 mrmb.modregrm.rm = mrmb.modregrm.rm | popnd.base.val; | |
| 2469 } | |
| 2470 else if (amod == ASM_MODIFIERS._addr16 || (amod == ASM_MODIFIERS._flbl && !I32)) | |
| 2471 { | |
| 2472 uint rm; | |
| 2473 | |
| 2474 debug if (debuga) | |
| 2475 printf("This is an ADDR16\n"); | |
| 2476 | |
| 2477 if (!popnd.pregDisp1) | |
| 2478 { rm = 0x6; | |
| 2479 if (!s) | |
| 2480 bDisp = true; | |
| 2481 } | |
| 2482 else | |
| 2483 { | |
| 2484 uint r1r2; | |
| 2485 | |
| 2486 if (popnd.pregDisp2) | |
| 2487 r1r2 = X(popnd.pregDisp1.val,popnd.pregDisp2.val); | |
| 2488 else | |
| 2489 r1r2 = Y(popnd.pregDisp1.val); | |
| 2490 | |
| 2491 switch (r1r2) | |
| 2492 { | |
| 2493 case X(_BX,_SI): rm = 0; break; | |
| 2494 case X(_BX,_DI): rm = 1; break; | |
| 2495 case Y(_BX): rm = 7; break; | |
| 2496 | |
| 2497 case X(_BP,_SI): rm = 2; break; | |
| 2498 case X(_BP,_DI): rm = 3; break; | |
| 2499 case Y(_BP): rm = 6; bDisp = true; break; | |
| 2500 | |
| 2501 case X(_SI,_BX): rm = 0; break; | |
| 2502 case X(_SI,_BP): rm = 2; break; | |
| 2503 case Y(_SI): rm = 4; break; | |
| 2504 | |
| 2505 case X(_DI,_BX): rm = 1; break; | |
| 2506 case X(_DI,_BP): rm = 3; break; | |
| 2507 case Y(_DI): rm = 5; break; | |
| 2508 | |
| 2509 default: | |
| 2510 asmerr(ASMERRMSGS.EM_bad_addr_mode); // illegal addressing mode | |
| 2511 } | |
| 2512 } | |
| 2513 mrmb.modregrm.rm = rm; | |
| 2514 | |
| 2515 debug if (debuga) | |
| 2516 printf("This is an mod = %d, popnd.s =%ld, popnd.disp = %ld\n", | |
| 2517 mrmb.modregrm.mod, s, popnd.disp); | |
| 2518 | |
| 2519 if (!s || (!mrmb.modregrm.mod && popnd.disp)) | |
| 2520 { | |
| 2521 if ((!popnd.disp && !bDisp) || !popnd.pregDisp1) | |
| 2522 mrmb.modregrm.mod = 0x0; | |
| 2523 else if (popnd.disp >= CHAR_MIN && popnd.disp <= SCHAR_MAX) | |
| 2524 mrmb.modregrm.mod = 0x1; | |
| 2525 else | |
| 2526 mrmb.modregrm.mod = 0X2; | |
| 2527 } | |
| 2528 else | |
| 2529 bOffsetsym = true; | |
| 2530 | |
| 2531 } | |
| 2532 else if (amod == ASM_MODIFIERS._addr32 || (amod == ASM_MODIFIERS._flbl && I32)) | |
| 2533 { | |
| 2534 debug if (debuga) | |
| 2535 printf("This is an ADDR32\n"); | |
| 2536 | |
| 2537 if (!popnd.pregDisp1) | |
| 2538 mrmb.modregrm.rm = 0x5; | |
| 2539 else if (popnd.pregDisp2 || | |
| 2540 popnd.uchMultiplier || | |
| 2541 popnd.pregDisp1.val == _ESP) | |
| 2542 { | |
| 2543 if (popnd.pregDisp2) | |
| 2544 { | |
| 2545 if (popnd.pregDisp2.val == _ESP) | |
| 2546 asmerr(ASMERRMSGS.EM_bad_addr_mode); // illegal addressing mode | |
| 2547 } | |
| 2548 else | |
| 2549 { | |
| 2550 if (popnd.uchMultiplier && popnd.pregDisp1.val ==_ESP) | |
| 2551 asmerr(ASMERRMSGS.EM_bad_addr_mode); // illegal addressing mode | |
| 2552 bDisp = true; | |
| 2553 } | |
| 2554 | |
| 2555 mrmb.modregrm.rm = 0x4; | |
| 2556 bSib = true; | |
| 2557 if (bDisp) | |
| 2558 { | |
| 2559 if (!popnd.uchMultiplier && | |
| 2560 popnd.pregDisp1.val==_ESP) | |
| 2561 { | |
| 2562 sib.sib.base = popnd.pregDisp1.val; | |
| 2563 sib.sib.index = 0x4; | |
| 2564 } | |
| 2565 else | |
| 2566 { | |
| 2567 debug if (debuga) | |
| 2568 printf("Resetting the mod to 0\n"); | |
| 2569 | |
| 2570 if (popnd.pregDisp2) | |
| 2571 { | |
| 2572 if (popnd.pregDisp2.val != _EBP) | |
| 2573 asmerr(ASMERRMSGS.EM_bad_addr_mode); // illegal addressing mode | |
| 2574 } | |
| 2575 else | |
| 2576 { | |
| 2577 mrmb.modregrm.mod = 0x0; | |
| 2578 bModset = true; | |
| 2579 } | |
| 2580 | |
| 2581 sib.sib.base = 0x5; | |
| 2582 sib.sib.index = popnd.pregDisp1.val; | |
| 2583 } | |
| 2584 } | |
| 2585 else | |
| 2586 { | |
| 2587 sib.sib.base = popnd.pregDisp1.val; | |
| 2588 // | |
| 2589 // This is to handle the special case | |
| 2590 // of using the EBP register and no | |
| 2591 // displacement. You must put in an | |
| 2592 // 8 byte displacement in order to | |
| 2593 // get the correct opcodes. | |
| 2594 // | |
| 2595 if (popnd.pregDisp1.val == _EBP && (!popnd.disp && !s)) | |
| 2596 { | |
| 2597 debug if (debuga) | |
| 2598 printf("Setting the mod to 1 in the _EBP case\n"); | |
| 2599 | |
| 2600 mrmb.modregrm.mod = 0x1; | |
| 2601 bDisp = true; // Need a | |
| 2602 // displacement | |
| 2603 bModset = true; | |
| 2604 } | |
| 2605 | |
| 2606 sib.sib.index = popnd.pregDisp2.val; | |
| 2607 } | |
| 2608 switch (popnd.uchMultiplier) | |
| 2609 { | |
| 2610 case 0: sib.sib.ss = 0; break; | |
| 2611 case 1: sib.sib.ss = 0; break; | |
| 2612 case 2: sib.sib.ss = 1; break; | |
| 2613 case 4: sib.sib.ss = 2; break; | |
| 2614 case 8: sib.sib.ss = 3; break; | |
| 2615 | |
| 2616 default: | |
| 2617 asmerr(ASMERRMSGS.EM_bad_addr_mode); // illegal addressing mode | |
| 2618 break; | |
| 2619 } | |
| 2620 if (bDisp && sib.sib.base == 0x5) | |
| 2621 b32bit = true; | |
| 2622 } | |
| 2623 else | |
| 2624 { | |
| 2625 uint rm; | |
| 2626 | |
| 2627 if (popnd.uchMultiplier) | |
| 2628 asmerr(ASMERRMSGS.EM_bad_addr_mode); // illegal addressing mode | |
| 2629 switch (popnd.pregDisp1.val) | |
| 2630 { | |
| 2631 case _EAX: rm = 0; break; | |
| 2632 case _ECX: rm = 1; break; | |
| 2633 case _EDX: rm = 2; break; | |
| 2634 case _EBX: rm = 3; break; | |
| 2635 case _ESI: rm = 6; break; | |
| 2636 case _EDI: rm = 7; break; | |
| 2637 | |
| 2638 case _EBP: | |
| 2639 if (!popnd.disp && !s) | |
| 2640 { | |
| 2641 mrmb.modregrm.mod = 0x1; | |
| 2642 bDisp = true; // Need a displacement | |
| 2643 bModset = true; | |
| 2644 } | |
| 2645 rm = 5; | |
| 2646 break; | |
| 2647 | |
| 2648 default: | |
| 2649 asmerr(ASMERRMSGS.EM_bad_addr_mode); // illegal addressing mode | |
| 2650 break; | |
| 2651 } | |
| 2652 mrmb.modregrm.rm = rm; | |
| 2653 } | |
| 2654 if (!bModset && (!s || (!mrmb.modregrm.mod && popnd.disp))) | |
| 2655 { | |
| 2656 if ((!popnd.disp && !mrmb.modregrm.mod) || | |
| 2657 (!popnd.pregDisp1 && !popnd.pregDisp2)) | |
| 2658 { | |
| 2659 mrmb.modregrm.mod = 0x0; | |
| 2660 bDisp = true; | |
| 2661 } | |
| 2662 else if (popnd.disp >= CHAR_MIN && popnd.disp <= SCHAR_MAX) | |
| 2663 mrmb.modregrm.mod = 0x1; | |
| 2664 else | |
| 2665 mrmb.modregrm.mod = 0x2; | |
| 2666 } | |
| 2667 else | |
| 2668 bOffsetsym = true; | |
| 2669 } | |
| 2670 if (popnd2 && !mrmb.modregrm.reg && | |
| 2671 asmstate.ucItype != IT.ITshift && | |
| 2672 (ASM_GET_aopty(popnd2.usFlags) == ASM_OPERAND_TYPE._reg || | |
| 2673 ASM_GET_amod(popnd2.usFlags) == ASM_MODIFIERS._rseg || | |
| 2674 ASM_GET_amod(popnd2.usFlags) == ASM_MODIFIERS._rspecial)) | |
| 2675 { | |
| 2676 mrmb.modregrm.reg = popnd2.base.val; | |
| 2677 } | |
| 2678 debug puchOpcode[ (*pusIdx)++ ] = mrmb.uchOpcode; | |
| 2679 | |
| 2680 pc.Irm = mrmb.uchOpcode; | |
| 2681 //printf("Irm = %02x\n", pc.Irm); | |
| 2682 if (bSib) | |
| 2683 { | |
| 2684 debug puchOpcode[ (*pusIdx)++ ] = sib.uchOpcode; | |
| 2685 pc.Isib= sib.uchOpcode; | |
| 2686 } | |
| 2687 if ((!s || (popnd.pregDisp1 && !bOffsetsym)) && | |
| 2688 aopty != ASM_OPERAND_TYPE._imm && | |
| 2689 (popnd.disp || bDisp)) | |
| 2690 { | |
| 2691 if (popnd.usFlags & _a16) | |
| 2692 { | |
| 2693 debug { | |
| 2694 puc = (cast(ubyte*) &(popnd.disp)); | |
| 2695 puchOpcode[(*pusIdx)++] = puc[1]; | |
| 2696 puchOpcode[(*pusIdx)++] = puc[0]; | |
| 2697 } | |
| 2698 if (usFlags & (_modrm | NUM_MASK)) { | |
| 2699 debug if (debuga) | |
| 2700 printf("Setting up value %ld\n", popnd.disp); | |
| 2701 | |
| 2702 pc.IEVint1() = popnd.disp; | |
| 2703 pc.IFL1 = FL.FLconst; | |
| 2704 } | |
| 2705 else { | |
| 2706 pc.IEVint2() = popnd.disp; | |
| 2707 pc.IFL2 = FL.FLconst; | |
| 2708 } | |
| 2709 | |
| 2710 } | |
| 2711 else | |
| 2712 { | |
| 2713 debug { | |
| 2714 puc = (cast(ubyte*) &(popnd.disp)); | |
| 2715 puchOpcode[(*pusIdx)++] = puc[3]; | |
| 2716 puchOpcode[(*pusIdx)++] = puc[2]; | |
| 2717 puchOpcode[(*pusIdx)++] = puc[1]; | |
| 2718 puchOpcode[(*pusIdx)++] = puc[0]; | |
| 2719 } | |
| 2720 if (usFlags & (_modrm | NUM_MASK)) { | |
| 2721 debug if (debuga) | |
| 2722 printf("Setting up value %ld\n", popnd.disp); | |
| 2723 | |
| 2724 pc.IEVpointer1() = cast(targ_size_t) popnd.disp; | |
| 2725 pc.IFL1 = FL.FLconst; | |
| 2726 } else { | |
| 2727 pc.IEVpointer2() = cast(targ_size_t) popnd.disp; | |
| 2728 pc.IFL2 = FL.FLconst; | |
| 2729 } | |
| 2730 } | |
| 2731 } | |
| 2732 } | |
| 2733 | |
| 2734 void asm_output_popnd(OPND* popnd) | |
| 2735 { | |
| 2736 if (popnd.segreg) | |
| 2737 printf("%s:", popnd.segreg.regstr); | |
| 2738 | |
| 2739 if (popnd.s) | |
| 2740 writef("%s", popnd.s.ident.toChars()); | |
| 2741 | |
| 2742 if (popnd.base) | |
| 2743 printf("%s", popnd.base.regstr); | |
| 2744 | |
| 2745 if (popnd.pregDisp1) { | |
| 2746 if (popnd.pregDisp2) { | |
| 2747 if (popnd.usFlags & _a32) | |
| 2748 if (popnd.uchMultiplier) | |
| 2749 printf("[%s][%s*%d]", | |
| 2750 popnd.pregDisp1.regstr, | |
| 2751 popnd.pregDisp2.regstr, | |
| 2752 popnd.uchMultiplier); | |
| 2753 else | |
| 2754 printf("[%s][%s]", | |
| 2755 popnd.pregDisp1.regstr, | |
| 2756 popnd.pregDisp2.regstr); | |
| 2757 else | |
| 2758 printf("[%s+%s]", | |
| 2759 popnd.pregDisp1.regstr, | |
| 2760 popnd.pregDisp2.regstr); | |
| 2761 } | |
| 2762 else { | |
| 2763 if (popnd.uchMultiplier) | |
| 2764 printf("[%s*%d]", | |
| 2765 popnd.pregDisp1.regstr, | |
| 2766 popnd.uchMultiplier); | |
| 2767 else | |
| 2768 printf("[%s]", | |
| 2769 popnd.pregDisp1.regstr); | |
| 2770 } | |
| 2771 } | |
| 2772 if (ASM_GET_aopty(popnd.usFlags) == ASM_OPERAND_TYPE._imm) | |
| 2773 printf("%lxh", popnd.disp); | |
| 2774 else if (popnd.disp) | |
| 2775 printf("+%lxh", popnd.disp); | |
| 2776 } | |
| 2777 | |
| 2778 /******************************* | |
| 2779 * Prepend line number to c. | |
| 2780 */ | |
| 2781 | |
| 2782 code* asm_genloc(Loc loc, code* c) | |
| 2783 { | |
| 2784 if (global.params.symdebug) | |
| 2785 { | |
| 2786 code* pcLin; | |
| 2787 Srcpos srcpos; | |
| 2788 | |
| 2789 srcpos.Slinnum = loc.linnum; | |
| 2790 srcpos.Sfilename = cast(char*)toStringz(loc.filename); | |
| 2791 pcLin = genlinnum(null, srcpos); | |
| 2792 | |
| 2793 c = cat(pcLin, c); | |
| 2794 } | |
| 2795 | |
| 2796 return c; | |
| 2797 } | |
| 2798 | |
| 2799 opflag_t asm_determine_operand_flags(OPND* popnd) | |
| 2800 { | |
| 2801 Dsymbol ps; | |
| 2802 int ty; | |
| 2803 opflag_t us; | |
| 2804 opflag_t sz; | |
| 2805 ASM_OPERAND_TYPE opty; | |
| 2806 ASM_MODIFIERS amod; | |
| 2807 | |
| 2808 // If specified 'offset' or 'segment' but no symbol | |
| 2809 if ((popnd.bOffset || popnd.bSeg) && !popnd.s) | |
| 2810 asmerr(ASMERRMSGS.EM_bad_addr_mode); // illegal addressing mode | |
| 2811 | |
| 2812 if (asmstate.ucItype == IT.ITfloat) | |
| 2813 return asm_determine_float_flags(popnd); | |
| 2814 | |
| 2815 // If just a register | |
| 2816 if (popnd.base && !popnd.s && !popnd.disp && !popnd.real_) | |
| 2817 return popnd.base.ty; | |
| 2818 | |
| 2819 debug if (debuga) | |
| 2820 printf("popnd.base = %s\n, popnd.pregDisp1 = %ld\n", popnd.base ? popnd.base.regstr : "NONE", popnd.pregDisp1); | |
| 2821 | |
| 2822 ps = popnd.s; | |
| 2823 Declaration ds = ps ? ps.isDeclaration() : null; | |
| 2824 if (ds && ds.storage_class & STC.STClazy) | |
| 2825 sz = _anysize; | |
| 2826 else | |
| 2827 sz = cast(ushort)asm_type_size((ds && ds.storage_class & (STC.STCout | STC.STCref)) ? popnd.ptype.pointerTo() : popnd.ptype); | |
| 2828 if (popnd.pregDisp1 && !popnd.base) | |
| 2829 { | |
| 2830 if (ps && ps.isLabel() && sz == _anysize) | |
| 2831 sz = I32 ? _32 : _16; | |
| 2832 return (popnd.pregDisp1.ty & _r32) | |
| 2833 ? CONSTRUCT_FLAGS(sz, ASM_OPERAND_TYPE._m, ASM_MODIFIERS._addr32, 0) | |
| 2834 : CONSTRUCT_FLAGS(sz, ASM_OPERAND_TYPE._m, ASM_MODIFIERS._addr16, 0); | |
| 2835 } | |
| 2836 else if (ps) | |
| 2837 { | |
| 2838 if (popnd.bOffset || popnd.bSeg || ps == asmstate.psLocalsize) | |
| 2839 return I32 | |
| 2840 ? CONSTRUCT_FLAGS(_32, ASM_OPERAND_TYPE._imm, ASM_MODIFIERS._normal, 0) | |
| 2841 : CONSTRUCT_FLAGS(_16, ASM_OPERAND_TYPE._imm, ASM_MODIFIERS._normal, 0); | |
| 2842 | |
| 2843 if (ps.isLabel()) | |
| 2844 { | |
| 2845 switch (popnd.ajt) | |
| 2846 { | |
| 2847 case ASM_JUMPTYPE.ASM_JUMPTYPE_UNSPECIFIED: | |
| 2848 if (ps == asmstate.psDollar) | |
| 2849 { | |
| 2850 if (popnd.disp >= CHAR_MIN && | |
| 2851 popnd.disp <= CHAR_MAX) | |
| 2852 us = CONSTRUCT_FLAGS(_8, _rel, ASM_MODIFIERS._flbl,0); | |
| 2853 else | |
| 2854 if (popnd.disp >= SHRT_MIN && | |
| 2855 popnd.disp <= SHRT_MIN) | |
| 2856 us = CONSTRUCT_FLAGS(_16, _rel, ASM_MODIFIERS._flbl,0); | |
| 2857 else | |
| 2858 us = CONSTRUCT_FLAGS(_32, _rel, ASM_MODIFIERS._flbl,0); | |
| 2859 } | |
| 2860 else if (asmstate.ucItype != ITjump) | |
| 2861 { | |
| 2862 if (sz == _8) | |
| 2863 { us = CONSTRUCT_FLAGS(_8,ASM_OPERAND_TYPE._rel,ASM_MODIFIERS._flbl,0); | |
| 2864 break; | |
| 2865 } | |
| 2866 goto case_near; | |
| 2867 } | |
| 2868 else | |
| 2869 us = I32 | |
| 2870 ? CONSTRUCT_FLAGS(_8|_32, ASM_OPERAND_TYPE._rel, ASM_MODIFIERS._flbl, 0) | |
| 2871 : CONSTRUCT_FLAGS(_8|_16, ASM_OPERAND_TYPE._rel, ASM_MODIFIERS._flbl, 0); | |
| 2872 break; | |
| 2873 | |
| 2874 case ASM_JUMPTYPE.ASM_JUMPTYPE_NEAR: | |
| 2875 case_near: | |
| 2876 us = I32 | |
| 2877 ? CONSTRUCT_FLAGS(_32, _rel, _flbl, 0) | |
| 2878 : CONSTRUCT_FLAGS(_16, _rel, _flbl, 0); | |
| 2879 break; | |
| 2880 case ASM_JUMPTYPE.ASM_JUMPTYPE_SHORT: | |
| 2881 us = CONSTRUCT_FLAGS(_8, _rel, _flbl, 0); | |
| 2882 break; | |
| 2883 case ASM_JUMPTYPE.ASM_JUMPTYPE_FAR: | |
| 2884 us = I32 | |
| 2885 ? CONSTRUCT_FLAGS(_48, _rel, _flbl, 0) | |
| 2886 : CONSTRUCT_FLAGS(_32, _rel, _flbl, 0); | |
| 2887 break; | |
| 2888 default: | |
| 2889 assert(0); | |
| 2890 } | |
| 2891 return us; | |
| 2892 } | |
| 2893 if (!popnd.ptype) | |
| 2894 return CONSTRUCT_FLAGS(sz, _m, _normal, 0); | |
| 2895 ty = popnd.ptype.ty; | |
| 2896 if (ty == Tpointer && popnd.ptype.nextOf().ty == Tfunction && | |
| 2897 !ps.isVarDeclaration()) | |
| 2898 { | |
| 2899 static if (true) { | |
| 2900 return CONSTRUCT_FLAGS(_32, _m, _fn16, 0); | |
| 2901 } else { | |
| 2902 ty = popnd.ptype.Tnext.Tty; | |
| 2903 if (tyfarfunc(tybasic(ty))) { | |
| 2904 return I32 | |
| 2905 ? CONSTRUCT_FLAGS(_48, _mnoi, _fn32, 0) | |
| 2906 : CONSTRUCT_FLAGS(_32, _mnoi, _fn32, 0); | |
| 2907 } | |
| 2908 else { | |
| 2909 return I32 | |
| 2910 ? CONSTRUCT_FLAGS(_32, _m, _fn16, 0) | |
| 2911 : CONSTRUCT_FLAGS(_16, _m, _fn16, 0); | |
| 2912 } | |
| 2913 } | |
| 2914 } | |
| 2915 else if (ty == TY.Tfunction) | |
| 2916 { | |
| 2917 static if (true) { | |
| 2918 return CONSTRUCT_FLAGS(_32, _rel, _fn16, 0); | |
| 2919 } else { | |
| 2920 if (tyfarfunc(tybasic(ty))) | |
| 2921 return I32 | |
| 2922 ? CONSTRUCT_FLAGS(_48, _p, _fn32, 0) | |
| 2923 : CONSTRUCT_FLAGS(_32, _p, _fn32, 0); | |
| 2924 else | |
| 2925 return I32 | |
| 2926 ? CONSTRUCT_FLAGS(_32, _rel, _fn16, 0) | |
| 2927 : CONSTRUCT_FLAGS(_16, _rel, _fn16, 0); | |
| 2928 } | |
| 2929 } | |
| 2930 else if (asmstate.ucItype == IT.ITjump) | |
| 2931 { | |
| 2932 amod = _normal; | |
| 2933 goto L1; | |
| 2934 } | |
| 2935 else | |
| 2936 return CONSTRUCT_FLAGS(sz, _m, _normal, 0); | |
| 2937 } | |
| 2938 if (popnd.segreg /*|| popnd.bPtr*/) | |
| 2939 { | |
| 2940 amod = I32 ? _addr32 : _addr16; | |
| 2941 if (asmstate.ucItype == ITjump) | |
| 2942 { | |
| 2943 L1: | |
| 2944 opty = _m; | |
| 2945 if (I32) | |
| 2946 { if (sz == _48) | |
| 2947 opty = _mnoi; | |
| 2948 } | |
| 2949 else | |
| 2950 { | |
| 2951 if (sz == _32) | |
| 2952 opty = _mnoi; | |
| 2953 } | |
| 2954 us = CONSTRUCT_FLAGS(sz,opty,amod,0); | |
| 2955 } | |
| 2956 else | |
| 2957 us = CONSTRUCT_FLAGS(sz, | |
| 2958 // _rel, amod, 0); | |
| 2959 _m, amod, 0); | |
| 2960 } | |
| 2961 | |
| 2962 else if (popnd.ptype) | |
| 2963 us = CONSTRUCT_FLAGS(sz, _imm, _normal, 0); | |
| 2964 | |
| 2965 else if (popnd.disp >= CHAR_MIN && popnd.disp <= UCHAR_MAX) | |
| 2966 us = CONSTRUCT_FLAGS(_8 | _16 | _32, _imm, _normal, 0); | |
| 2967 else if (popnd.disp >= SHRT_MIN && popnd.disp <= USHRT_MAX) | |
| 2968 us = CONSTRUCT_FLAGS(_16 | _32, _imm, _normal, 0); | |
| 2969 else | |
| 2970 us = CONSTRUCT_FLAGS(_32, _imm, _normal, 0); | |
| 2971 return us; | |
| 2972 } | |
| 2973 | |
| 2974 /******************************* | |
| 2975 * Match flags in operand against flags in opcode table. | |
| 2976 * Returns: | |
| 2977 * !=0 if match | |
| 2978 */ | |
| 2979 | |
| 2980 ubyte asm_match_flags(opflag_t usOp, opflag_t usTable) | |
| 2981 { | |
| 2982 ASM_OPERAND_TYPE aoptyTable; | |
| 2983 ASM_OPERAND_TYPE aoptyOp; | |
| 2984 ASM_MODIFIERS amodTable; | |
| 2985 ASM_MODIFIERS amodOp; | |
| 2986 uint uRegmaskTable; | |
| 2987 uint uRegmaskOp; | |
| 2988 ubyte bRegmatch; | |
| 2989 ubyte bRetval = false; | |
| 2990 uint uSizemaskOp; | |
| 2991 uint uSizemaskTable; | |
| 2992 ubyte bSizematch; | |
| 2993 | |
| 2994 //printf("asm_match_flags(usOp = x%x, usTable = x%x)\n", usOp, usTable); | |
| 2995 if (asmstate.ucItype == IT.ITfloat) | |
| 2996 { | |
| 2997 bRetval = asm_match_float_flags(usOp, usTable); | |
| 2998 goto EXIT; | |
| 2999 } | |
| 3000 | |
| 3001 uSizemaskOp = ASM_GET_uSizemask(usOp); | |
| 3002 uSizemaskTable = ASM_GET_uSizemask(usTable); | |
| 3003 | |
| 3004 // Check #1, if the sizes do not match, NO match | |
| 3005 bSizematch = (uSizemaskOp & uSizemaskTable) != 0; | |
| 3006 | |
| 3007 amodOp = ASM_GET_amod(usOp); | |
| 3008 | |
| 3009 aoptyTable = ASM_GET_aopty(usTable); | |
| 3010 aoptyOp = ASM_GET_aopty(usOp); | |
| 3011 | |
| 3012 // _mmm64 matches with a 64 bit mem or an MMX register | |
| 3013 if (usTable == _mmm64) | |
| 3014 { | |
| 3015 if (usOp == _mm) | |
| 3016 goto Lmatch; | |
| 3017 if (aoptyOp == _m && (bSizematch || uSizemaskOp == _anysize)) | |
| 3018 goto Lmatch; | |
| 3019 goto EXIT; | |
| 3020 } | |
| 3021 | |
| 3022 // _xmm_m32, _xmm_m64, _xmm_m128 match with XMM register or memory | |
| 3023 if (usTable == _xmm_m32 || | |
| 3024 usTable == _xmm_m64 || | |
| 3025 usTable == _xmm_m128) | |
| 3026 { | |
| 3027 if (usOp == _xmm) | |
| 3028 goto Lmatch; | |
| 3029 if (aoptyOp == _m && (bSizematch || uSizemaskOp == _anysize)) | |
| 3030 goto Lmatch; | |
| 3031 } | |
| 3032 | |
| 3033 if (!bSizematch && uSizemaskTable) | |
| 3034 { | |
| 3035 //printf("no size match\n"); | |
| 3036 goto EXIT; | |
| 3037 } | |
| 3038 | |
| 3039 | |
| 3040 // | |
| 3041 // The operand types must match, otherwise return false. | |
| 3042 // There is one exception for the _rm which is a table entry which matches | |
| 3043 // _reg or _m | |
| 3044 // | |
| 3045 if (aoptyTable != aoptyOp) | |
| 3046 { | |
| 3047 if (aoptyTable == _rm && (aoptyOp == _reg || | |
| 3048 aoptyOp == _m || | |
| 3049 aoptyOp == _rel)) | |
| 3050 goto Lok; | |
| 3051 | |
| 3052 if (aoptyTable == _mnoi && aoptyOp == _m && | |
| 3053 (uSizemaskOp == _32 && amodOp == _addr16 || | |
| 3054 uSizemaskOp == _48 && amodOp == _addr32 || | |
| 3055 uSizemaskOp == _48 && amodOp == _normal) | |
| 3056 ) | |
| 3057 goto Lok; | |
| 3058 goto EXIT; | |
| 3059 } | |
| 3060 Lok: | |
| 3061 | |
| 3062 // | |
| 3063 // Looks like a match so far, check to see if anything special is going on | |
| 3064 // | |
| 3065 amodTable = ASM_GET_amod(usTable); | |
| 3066 uRegmaskOp = ASM_GET_uRegmask(usOp); | |
| 3067 uRegmaskTable = ASM_GET_uRegmask(usTable); | |
| 3068 bRegmatch = ((!uRegmaskTable && !uRegmaskOp) || | |
| 3069 (uRegmaskTable & uRegmaskOp)); | |
| 3070 | |
| 3071 switch (amodTable) | |
| 3072 { | |
| 3073 case _normal: // Normal's match with normals | |
| 3074 switch(amodOp) { | |
| 3075 case _normal: | |
| 3076 case _addr16: | |
| 3077 case _addr32: | |
| 3078 case _fn16: | |
| 3079 case _fn32: | |
| 3080 case _flbl: | |
| 3081 bRetval = (bSizematch || bRegmatch); | |
| 3082 goto EXIT; | |
| 3083 default: | |
| 3084 goto EXIT; | |
| 3085 } | |
| 3086 case _rseg: | |
| 3087 case _rspecial: | |
| 3088 bRetval = (amodOp == amodTable && bRegmatch); | |
| 3089 goto EXIT; | |
| 3090 } | |
| 3091 EXIT: | |
| 3092 static if (false) { | |
| 3093 printf("OP : "); | |
| 3094 asm_output_flags(usOp); | |
| 3095 printf("\nTBL: "); | |
| 3096 asm_output_flags(usTable); | |
| 3097 writef(": %s\n", bRetval ? "MATCH" : "NOMATCH"); | |
| 3098 } | |
| 3099 return bRetval; | |
| 3100 | |
| 3101 Lmatch: | |
| 3102 //printf("match\n"); | |
| 3103 return 1; | |
| 3104 } | |
| 3105 | |
| 3106 void asm_output_flags(opflag_t usFlags) | |
| 3107 { | |
| 3108 ASM_OPERAND_TYPE aopty = ASM_GET_aopty(usFlags); | |
| 3109 ASM_MODIFIERS amod = ASM_GET_amod(usFlags); | |
| 3110 uint uRegmask = ASM_GET_uRegmask(usFlags); | |
| 3111 uint uSizemask = ASM_GET_uSizemask(usFlags); | |
| 3112 | |
| 3113 if (uSizemask == _anysize) | |
| 3114 printf("_anysize "); | |
| 3115 else if (uSizemask == 0) | |
| 3116 printf("0 "); | |
| 3117 else | |
| 3118 { | |
| 3119 if (uSizemask & _8) | |
| 3120 printf("_8 "); | |
| 3121 if (uSizemask & _16) | |
| 3122 printf("_16 "); | |
| 3123 if (uSizemask & _32) | |
| 3124 printf("_32 "); | |
| 3125 if (uSizemask & _48) | |
| 3126 printf("_48 "); | |
| 3127 } | |
| 3128 | |
| 3129 printf("_"); | |
| 3130 switch (aopty) { | |
| 3131 case ASM_OPERAND_TYPE._reg: | |
| 3132 printf("reg "); | |
| 3133 break; | |
| 3134 case ASM_OPERAND_TYPE._m: | |
| 3135 printf("m "); | |
| 3136 break; | |
| 3137 case ASM_OPERAND_TYPE._imm: | |
| 3138 printf("imm "); | |
| 3139 break; | |
| 3140 case ASM_OPERAND_TYPE._rel: | |
| 3141 printf("rel "); | |
| 3142 break; | |
| 3143 case ASM_OPERAND_TYPE._mnoi: | |
| 3144 printf("mnoi "); | |
| 3145 break; | |
| 3146 case ASM_OPERAND_TYPE._p: | |
| 3147 printf("p "); | |
| 3148 break; | |
| 3149 case ASM_OPERAND_TYPE._rm: | |
| 3150 printf("rm "); | |
| 3151 break; | |
| 3152 case ASM_OPERAND_TYPE._float: | |
| 3153 printf("float "); | |
| 3154 break; | |
| 3155 default: | |
| 3156 printf(" UNKNOWN "); | |
| 3157 } | |
| 3158 | |
| 3159 printf("_"); | |
| 3160 switch (amod) { | |
| 3161 case ASM_MODIFIERS._normal: | |
| 3162 printf("normal "); | |
| 3163 if (uRegmask & 1) printf("_al "); | |
| 3164 if (uRegmask & 2) printf("_ax "); | |
| 3165 if (uRegmask & 4) printf("_eax "); | |
| 3166 if (uRegmask & 8) printf("_dx "); | |
| 3167 if (uRegmask & 0x10) printf("_cl "); | |
| 3168 return; | |
| 3169 case ASM_MODIFIERS._rseg: | |
| 3170 printf("rseg "); | |
| 3171 break; | |
| 3172 case ASM_MODIFIERS._rspecial: | |
| 3173 printf("rspecial "); | |
| 3174 break; | |
| 3175 case ASM_MODIFIERS._addr16: | |
| 3176 printf("addr16 "); | |
| 3177 break; | |
| 3178 case ASM_MODIFIERS._addr32: | |
| 3179 printf("addr32 "); | |
| 3180 break; | |
| 3181 case ASM_MODIFIERS._fn16: | |
| 3182 printf("fn16 "); | |
| 3183 break; | |
| 3184 case ASM_MODIFIERS._fn32: | |
| 3185 printf("fn32 "); | |
| 3186 break; | |
| 3187 case ASM_MODIFIERS._flbl: | |
| 3188 printf("flbl "); | |
| 3189 break; | |
| 3190 default: | |
| 3191 printf("UNKNOWN "); | |
| 3192 break; | |
| 3193 } | |
| 3194 | |
| 3195 printf("uRegmask=x%02x", uRegmask); | |
| 3196 } | |
| 3197 | |
| 3198 OPND* asm_log_or_exp() | |
| 3199 { | |
| 3200 OPND* o1 = asm_log_and_exp(); | |
| 3201 OPND* o2; | |
| 3202 | |
| 3203 while (tok_value == TOK.TOKoror) | |
| 3204 { | |
| 3205 asm_token(); | |
| 3206 o2 = asm_log_and_exp(); | |
| 3207 if (asm_isint(o1) && asm_isint(o2)) | |
| 3208 o1.disp = o1.disp || o2.disp; | |
| 3209 else | |
| 3210 asmerr(ASMERRMSGS.EM_bad_integral_operand); // illegal operand | |
| 3211 o2.disp = 0; | |
| 3212 o1 = asm_merge_opnds(o1, o2); | |
| 3213 } | |
| 3214 return o1; | |
| 3215 } | |
| 3216 | |
| 3217 void asm_chktok(TOK toknum, uint errnum) | |
| 3218 { | |
| 3219 if (tok_value == toknum) | |
| 3220 asm_token(); // scan past token | |
| 3221 else | |
| 3222 /* When we run out of tokens, asmtok is null. | |
| 3223 * But when this happens when a ';' was hit. | |
| 3224 */ | |
| 3225 asmerr(errnum, asmtok ? asmtok.toChars() : ";"); | |
| 3226 } | |
| 3227 | |
| 3228 opflag_t asm_determine_float_flags(OPND* popnd) | |
| 3229 { | |
| 3230 //printf("asm_determine_float_flags()\n"); | |
| 3231 | |
| 3232 opflag_t us; | |
| 3233 opflag_t usFloat; | |
| 3234 | |
| 3235 // Insure that if it is a register, that it is not a normal processor | |
| 3236 // register. | |
| 3237 | |
| 3238 if (popnd.base && | |
| 3239 !popnd.s && !popnd.disp && !popnd.real_ | |
| 3240 && !(popnd.base.ty & (_r8 | _r16 | _r32))) | |
| 3241 { | |
| 3242 return popnd.base.ty; | |
| 3243 } | |
| 3244 if (popnd.pregDisp1 && !popnd.base) | |
| 3245 { | |
| 3246 us = asm_float_type_size(popnd.ptype, &usFloat); | |
| 3247 //printf("us = x%x, usFloat = x%x\n", us, usFloat); | |
| 3248 if (popnd.pregDisp1.ty & _r32) | |
| 3249 return(CONSTRUCT_FLAGS(us, _m, _addr32, usFloat)); | |
| 3250 else if (popnd.pregDisp1.ty & _r16) | |
| 3251 return(CONSTRUCT_FLAGS(us, _m, _addr16, usFloat)); | |
| 3252 } | |
| 3253 else if (popnd.s !is null) | |
| 3254 { | |
| 3255 us = asm_float_type_size(popnd.ptype, &usFloat); | |
| 3256 return CONSTRUCT_FLAGS(us, _m, _normal, usFloat); | |
| 3257 } | |
| 3258 | |
| 3259 if (popnd.segreg) | |
| 3260 { | |
| 3261 us = asm_float_type_size(popnd.ptype, &usFloat); | |
| 3262 if (I32) | |
| 3263 return(CONSTRUCT_FLAGS(us, _m, _addr32, usFloat)); | |
| 3264 else | |
| 3265 return(CONSTRUCT_FLAGS(us, _m, _addr16, usFloat)); | |
| 3266 } | |
| 3267 | |
| 3268 static if (false) { | |
| 3269 if (popnd.real_) | |
| 3270 { | |
| 3271 switch (popnd.ptype.ty) | |
| 3272 { | |
| 3273 case TY.Tfloat32: | |
| 3274 popnd.s = fconst(popnd.real_); | |
| 3275 return(CONSTRUCT_FLAGS(_32, _m, _normal, 0)); | |
| 3276 | |
| 3277 case TY.Tfloat64: | |
| 3278 popnd.s = dconst(popnd.real_); | |
| 3279 return(CONSTRUCT_FLAGS(0, _m, _normal, _64)); | |
| 3280 | |
| 3281 case TY.Tfloat80: | |
| 3282 popnd.s = ldconst(popnd.real_); | |
| 3283 return(CONSTRUCT_FLAGS(0, _m, _normal, _80)); | |
| 3284 } | |
| 3285 } | |
| 3286 } | |
| 3287 | |
| 3288 asmerr(ASMERRMSGS.EM_bad_float_op); // unknown operand for floating point instruction | |
| 3289 return 0; | |
| 3290 } | |
| 3291 | |
| 3292 uint asm_type_size(Type ptype) | |
| 3293 { | |
| 3294 //if (ptype) printf("asm_type_size('%s') = %d\n", ptype.toChars(), (int)ptype.size()); | |
| 3295 uint u = _anysize; | |
| 3296 if (ptype && ptype.ty != TY.Tfunction /*&& ptype.isscalar()*/) | |
| 3297 { | |
| 3298 switch (cast(int)ptype.size()) | |
| 3299 { | |
| 3300 case 0: asmerr(ASMERRMSGS.EM_bad_op, "0 size"); break; | |
| 3301 case 1: u = _8; break; | |
| 3302 case 2: u = _16; break; | |
| 3303 case 4: u = _32; break; | |
| 3304 case 6: u = _48; break; | |
| 3305 default: | |
| 3306 break; /// | |
| 3307 } | |
| 3308 } | |
| 3309 return u; | |
| 3310 } | |
| 3311 | |
| 3312 bool asm_match_float_flags(opflag_t usOp, opflag_t usTable) | |
| 3313 { | |
| 3314 ASM_OPERAND_TYPE aoptyTable; | |
| 3315 ASM_OPERAND_TYPE aoptyOp; | |
| 3316 ASM_MODIFIERS amodTable; | |
| 3317 ASM_MODIFIERS amodOp; | |
| 3318 uint uRegmaskTable; | |
| 3319 uint uRegmaskOp; | |
| 3320 ubyte bRegmatch; | |
| 3321 | |
| 3322 | |
| 3323 // | |
| 3324 // Check #1, if the sizes do not match, NO match | |
| 3325 // | |
| 3326 uRegmaskOp = ASM_GET_uRegmask(usOp); | |
| 3327 uRegmaskTable = ASM_GET_uRegmask(usTable); | |
| 3328 bRegmatch = (uRegmaskTable & uRegmaskOp) != 0; | |
| 3329 | |
| 3330 if (!(ASM_GET_uSizemask(usTable) & ASM_GET_uSizemask(usOp) || bRegmatch)) | |
| 3331 return false; | |
| 3332 | |
| 3333 aoptyTable = ASM_GET_aopty(usTable); | |
| 3334 aoptyOp = ASM_GET_aopty(usOp); | |
| 3335 // | |
| 3336 // The operand types must match, otherwise return false. | |
| 3337 // There is one exception for the _rm which is a table entry which matches | |
| 3338 // _reg or _m | |
| 3339 // | |
| 3340 if (aoptyTable != aoptyOp) | |
| 3341 { | |
| 3342 if (aoptyOp != _float) | |
| 3343 return false; | |
| 3344 } | |
| 3345 | |
| 3346 // | |
| 3347 // Looks like a match so far, check to see if anything special is going on | |
| 3348 // | |
| 3349 amodOp = ASM_GET_amod(usOp); | |
| 3350 amodTable = ASM_GET_amod(usTable); | |
| 3351 switch (amodTable) | |
| 3352 { | |
| 3353 // Normal's match with normals | |
| 3354 case _normal: | |
| 3355 switch(amodOp) | |
| 3356 { | |
| 3357 case _normal: | |
| 3358 case _addr16: | |
| 3359 case _addr32: | |
| 3360 case _fn16: | |
| 3361 case _fn32: | |
| 3362 case _flbl: | |
| 3363 return true; | |
| 3364 | |
| 3365 default: | |
| 3366 return false; | |
| 3367 } | |
| 3368 | |
| 3369 case _rseg: | |
| 3370 case _rspecial: | |
| 3371 return false; | |
| 3372 default: | |
| 3373 assert(0); | |
| 3374 } | |
| 3375 } | |
| 3376 | |
| 3377 OPND* asm_log_and_exp() | |
| 3378 { | |
| 3379 OPND* o1 = asm_inc_or_exp(); | |
| 3380 OPND* o2; | |
| 3381 | |
| 3382 while (tok_value == TOKandand) | |
| 3383 { | |
| 3384 asm_token(); | |
| 3385 o2 = asm_inc_or_exp(); | |
| 3386 if (asm_isint(o1) && asm_isint(o2)) | |
| 3387 o1.disp = o1.disp && o2.disp; | |
| 3388 else { | |
| 3389 asmerr(EM_bad_integral_operand); // illegal operand | |
| 3390 } | |
| 3391 o2.disp = 0; | |
| 3392 o1 = asm_merge_opnds(o1, o2); | |
| 3393 } | |
| 3394 return o1; | |
| 3395 } | |
| 3396 | |
| 3397 bool asm_isint(OPND *o) | |
| 3398 { | |
| 3399 if (!o || o.base || o.s) | |
| 3400 return false; | |
| 3401 | |
| 3402 //return o.disp != 0; | |
| 3403 return true; | |
| 3404 } | |
| 3405 | |
| 3406 /******************************* | |
| 3407 * Merge operands o1 and o2 into a single operand. | |
| 3408 */ | |
| 3409 | |
| 3410 OPND* asm_merge_opnds(OPND* o1, OPND* o2) | |
| 3411 { | |
| 3412 debug immutable(char)* psz; | |
| 3413 debug if (debuga) | |
| 3414 { | |
| 3415 printf("asm_merge_opnds(o1 = "); | |
| 3416 if (o1) asm_output_popnd(o1); | |
| 3417 printf(", o2 = "); | |
| 3418 if (o2) asm_output_popnd(o2); | |
| 3419 printf(")\n"); | |
| 3420 } | |
| 3421 | |
| 3422 if (!o1) | |
| 3423 return o2; | |
| 3424 if (!o2) | |
| 3425 return o1; | |
| 3426 version (EXTRA_DEBUG) { | |
| 3427 printf("Combining Operands: mult1 = %d, mult2 = %d", | |
| 3428 o1.uchMultiplier, o2.uchMultiplier); | |
| 3429 } | |
| 3430 /* combine the OPND's disp field */ | |
| 3431 if (o2.segreg) { | |
| 3432 if (o1.segreg) { | |
| 3433 debug psz = "o1.segment && o2.segreg".ptr; | |
| 3434 goto ILLEGAL_ADDRESS_ERROR; | |
| 3435 } | |
| 3436 else | |
| 3437 o1.segreg = o2.segreg; | |
| 3438 } | |
| 3439 | |
| 3440 // combine the OPND's symbol field | |
| 3441 if (o1.s && o2.s) | |
| 3442 { | |
| 3443 debug psz = "o1.s && os.s"; | |
| 3444 ILLEGAL_ADDRESS_ERROR: | |
| 3445 debug printf("Invalid addr because /%s/\n", psz); | |
| 3446 | |
| 3447 asmerr(EM_bad_addr_mode); // illegal addressing mode | |
| 3448 } | |
| 3449 else if (o2.s) | |
| 3450 o1.s = o2.s; | |
| 3451 else if (o1.s && o1.s.isTupleDeclaration()) | |
| 3452 { | |
| 3453 TupleDeclaration tup = o1.s.isTupleDeclaration(); | |
| 3454 | |
| 3455 size_t index = o2.disp; | |
| 3456 if (index >= tup.objects.dim) | |
| 3457 error(asmstate.loc, "tuple index %u exceeds %u", index, tup.objects.dim); | |
| 3458 else | |
| 3459 { | |
|
113
3482c73a991b
More cleanup for arrays
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
54
diff
changeset
|
3460 Object o = tup.objects[index]; |
| 0 | 3461 if (auto d = cast(Dsymbol)o) |
| 3462 { | |
| 3463 o1.s = d; | |
| 3464 return o1; | |
| 3465 } | |
| 3466 else if (auto e = cast(Expression)o) | |
| 3467 { | |
| 3468 if (e.op == TOKvar) | |
| 3469 { | |
| 3470 o1.s = (cast(VarExp)e).var; | |
| 3471 return o1; | |
| 3472 } | |
| 3473 else if (e.op == TOKfunction) | |
| 3474 { | |
| 3475 o1.s = (cast(FuncExp)e).fd; | |
| 3476 return o1; | |
| 3477 } | |
| 3478 } | |
| 3479 error(asmstate.loc, "invalid asm operand %s", o1.s.toChars()); | |
| 3480 } | |
| 3481 } | |
| 3482 | |
| 3483 if (o1.disp && o2.disp) | |
| 3484 o1.disp += o2.disp; | |
| 3485 else if (o2.disp) | |
| 3486 o1.disp = o2.disp; | |
| 3487 | |
| 3488 /* combine the OPND's base field */ | |
| 3489 if (o1.base !is null && o2.base !is null) { | |
| 3490 debug psz = "o1.base != null && o2.base != null".ptr; | |
| 3491 goto ILLEGAL_ADDRESS_ERROR; | |
| 3492 } | |
| 3493 else if (o2.base) | |
| 3494 o1.base = o2.base; | |
| 3495 | |
| 3496 /* Combine the displacement register fields */ | |
| 3497 if (o2.pregDisp1) | |
| 3498 { | |
| 3499 if (o1.pregDisp2) | |
| 3500 { | |
| 3501 debug psz = "o2.pregDisp1 && o1.pregDisp2"; | |
| 3502 goto ILLEGAL_ADDRESS_ERROR; | |
| 3503 } | |
| 3504 else if (o1.pregDisp1) | |
| 3505 { | |
| 3506 if (o1.uchMultiplier || | |
| 3507 (o2.pregDisp1.val == _ESP && | |
| 3508 (o2.pregDisp1.ty & _r32) && | |
| 3509 !o2.uchMultiplier)) | |
| 3510 { | |
| 3511 o1.pregDisp2 = o1.pregDisp1; | |
| 3512 o1.pregDisp1 = o2.pregDisp1; | |
| 3513 } | |
| 3514 else | |
| 3515 o1.pregDisp2 = o2.pregDisp1; | |
| 3516 } | |
| 3517 else | |
| 3518 o1.pregDisp1 = o2.pregDisp1; | |
| 3519 } | |
| 3520 if (o2.pregDisp2) { | |
| 3521 if (o1.pregDisp2) { | |
| 3522 debug psz = "o1.pregDisp2 && o2.pregDisp2"; | |
| 3523 goto ILLEGAL_ADDRESS_ERROR; | |
| 3524 } | |
| 3525 else | |
| 3526 o1.pregDisp2 = o2.pregDisp2; | |
| 3527 } | |
| 3528 if (o2.uchMultiplier) | |
| 3529 { | |
| 3530 if (o1.uchMultiplier) | |
| 3531 { | |
| 3532 debug psz = "o1.uchMultiplier && o2.uchMultiplier"; | |
| 3533 goto ILLEGAL_ADDRESS_ERROR; | |
| 3534 } | |
| 3535 else | |
| 3536 o1.uchMultiplier = o2.uchMultiplier; | |
| 3537 } | |
| 3538 if (o2.ptype && !o1.ptype) | |
| 3539 o1.ptype = o2.ptype; | |
| 3540 if (o2.bOffset) | |
| 3541 o1.bOffset = o2.bOffset; | |
| 3542 if (o2.bSeg) | |
| 3543 o1.bSeg = o2.bSeg; | |
| 3544 | |
| 3545 if (o2.ajt && !o1.ajt) | |
| 3546 o1.ajt = o2.ajt; | |
| 3547 | |
| 3548 opnd_free(o2); | |
| 3549 version (EXTRA_DEBUG) { | |
| 3550 printf("Result = %d\n", o1.uchMultiplier); | |
| 3551 } | |
| 3552 debug if (debuga) | |
| 3553 { printf("Merged result = /"); | |
| 3554 asm_output_popnd(o1); | |
| 3555 printf("/\n"); | |
| 3556 } | |
| 3557 | |
| 3558 return o1; | |
| 3559 } | |
| 3560 | |
| 3561 opflag_t asm_float_type_size(Type ptype, opflag_t* pusFloat) | |
| 3562 { | |
| 3563 *pusFloat = 0; | |
| 3564 | |
| 3565 //printf("asm_float_type_size('%s')\n", ptype.toChars()); | |
| 3566 if (ptype && ptype.isscalar()) | |
| 3567 { | |
| 3568 int sz = cast(int)ptype.size(); | |
| 3569 if (sz == REALSIZE) | |
| 3570 { | |
| 3571 *pusFloat = _80; | |
| 3572 return 0; | |
| 3573 } | |
| 3574 switch (sz) | |
| 3575 { | |
| 3576 case 2: | |
| 3577 return _16; | |
| 3578 case 4: | |
| 3579 return _32; | |
| 3580 case 8: | |
| 3581 *pusFloat = _64; | |
| 3582 return 0; | |
| 3583 default: | |
| 3584 break; | |
| 3585 } | |
| 3586 } | |
| 3587 | |
| 3588 *pusFloat = _fanysize; | |
| 3589 return _anysize; | |
| 3590 } | |
| 3591 | |
| 3592 OPND* asm_inc_or_exp() | |
| 3593 { | |
| 3594 OPND* o1 = asm_xor_exp(); | |
| 3595 OPND* o2; | |
| 3596 | |
| 3597 while (tok_value == TOKor) | |
| 3598 { | |
| 3599 asm_token(); | |
| 3600 o2 = asm_xor_exp(); | |
| 3601 if (asm_isint(o1) && asm_isint(o2)) | |
| 3602 o1.disp |= o2.disp; | |
| 3603 else { | |
| 3604 asmerr(EM_bad_integral_operand); // illegal operand | |
| 3605 } | |
| 3606 o2.disp = 0; | |
| 3607 o1 = asm_merge_opnds(o1, o2); | |
| 3608 } | |
| 3609 return o1; | |
| 3610 } | |
| 3611 | |
| 3612 OPND* asm_xor_exp() | |
| 3613 { | |
| 3614 OPND* o1 = asm_and_exp(); | |
| 3615 OPND* o2; | |
| 3616 | |
| 3617 while (tok_value == TOKxor) | |
| 3618 { | |
| 3619 asm_token(); | |
| 3620 o2 = asm_and_exp(); | |
| 3621 if (asm_isint(o1) && asm_isint(o2)) | |
| 3622 o1.disp ^= o2.disp; | |
| 3623 else { | |
| 3624 asmerr(EM_bad_integral_operand); // illegal operand | |
| 3625 } | |
| 3626 o2.disp = 0; | |
| 3627 o1 = asm_merge_opnds(o1, o2); | |
| 3628 } | |
| 3629 return o1; | |
| 3630 } | |
| 3631 | |
| 3632 OPND* asm_and_exp() | |
| 3633 { | |
| 3634 OPND* o1 = asm_equal_exp(); | |
| 3635 OPND* o2; | |
| 3636 | |
| 3637 while (tok_value == TOKand) | |
| 3638 { | |
| 3639 asm_token(); | |
| 3640 o2 = asm_equal_exp(); | |
| 3641 if (asm_isint(o1) && asm_isint(o2)) | |
| 3642 o1.disp &= o2.disp; | |
| 3643 else { | |
| 3644 asmerr(EM_bad_integral_operand); // illegal operand | |
| 3645 } | |
| 3646 o2.disp = 0; | |
| 3647 o1 = asm_merge_opnds(o1, o2); | |
| 3648 } | |
| 3649 return o1; | |
| 3650 } | |
| 3651 | |
| 3652 OPND* asm_equal_exp() | |
| 3653 { | |
| 3654 OPND* o1 = asm_rel_exp(); | |
| 3655 OPND* o2; | |
| 3656 | |
| 3657 while (1) | |
| 3658 { | |
| 3659 switch (tok_value) | |
| 3660 { | |
| 3661 case TOKequal: | |
| 3662 asm_token(); | |
| 3663 o2 = asm_rel_exp(); | |
| 3664 if (asm_isint(o1) && asm_isint(o2)) | |
| 3665 o1.disp = o1.disp == o2.disp; | |
| 3666 else { | |
| 3667 asmerr(EM_bad_integral_operand); // illegal operand | |
| 3668 } | |
| 3669 o2.disp = 0; | |
| 3670 o1 = asm_merge_opnds(o1, o2); | |
| 3671 break; | |
| 3672 | |
| 3673 case TOKnotequal: | |
| 3674 asm_token(); | |
| 3675 o2 = asm_rel_exp(); | |
| 3676 if (asm_isint(o1) && asm_isint(o2)) | |
| 3677 o1.disp = o1.disp != o2.disp; | |
| 3678 else { | |
| 3679 asmerr(EM_bad_integral_operand); | |
| 3680 } | |
| 3681 o2.disp = 0; | |
| 3682 o1 = asm_merge_opnds(o1, o2); | |
| 3683 break; | |
| 3684 | |
| 3685 default: | |
| 3686 return o1; | |
| 3687 } | |
| 3688 } | |
| 3689 | |
| 3690 assert(false); | |
| 3691 } | |
| 3692 | |
| 3693 OPND* asm_rel_exp() | |
| 3694 { | |
| 3695 OPND* o1 = asm_shift_exp(); | |
| 3696 OPND* o2; | |
| 3697 | |
| 3698 TOK tok_save; | |
| 3699 | |
| 3700 while (1) | |
| 3701 { | |
| 3702 switch (tok_value) | |
| 3703 { | |
| 3704 case TOKgt: | |
| 3705 case TOKge: | |
| 3706 case TOKlt: | |
| 3707 case TOKle: | |
| 3708 tok_save = tok_value; | |
| 3709 asm_token(); | |
| 3710 o2 = asm_shift_exp(); | |
| 3711 if (asm_isint(o1) && asm_isint(o2)) | |
| 3712 { | |
| 3713 switch (tok_save) | |
| 3714 { | |
| 3715 case TOKgt: | |
| 3716 o1.disp = o1.disp > o2.disp; | |
| 3717 break; | |
| 3718 case TOKge: | |
| 3719 o1.disp = o1.disp >= o2.disp; | |
| 3720 break; | |
| 3721 case TOKlt: | |
| 3722 o1.disp = o1.disp < o2.disp; | |
| 3723 break; | |
| 3724 case TOKle: | |
| 3725 o1.disp = o1.disp <= o2.disp; | |
| 3726 break; | |
| 3727 } | |
| 3728 } | |
| 3729 else | |
| 3730 asmerr(EM_bad_integral_operand); | |
| 3731 o2.disp = 0; | |
| 3732 o1 = asm_merge_opnds(o1, o2); | |
| 3733 break; | |
| 3734 | |
| 3735 default: | |
| 3736 return o1; | |
| 3737 } | |
| 3738 } | |
| 3739 | |
| 3740 assert(false); | |
| 3741 } | |
| 3742 | |
| 3743 OPND* asm_shift_exp() | |
| 3744 { | |
| 3745 OPND* o1 = asm_add_exp(); | |
| 3746 OPND* o2; | |
| 3747 | |
| 3748 int op; | |
| 3749 TOK tk; | |
| 3750 | |
| 3751 while (tok_value == TOKshl || tok_value == TOKshr || tok_value == TOKushr) | |
| 3752 { | |
| 3753 tk = tok_value; | |
| 3754 asm_token(); | |
| 3755 o2 = asm_add_exp(); | |
| 3756 if (asm_isint(o1) && asm_isint(o2)) | |
| 3757 { if (tk == TOKshl) | |
| 3758 o1.disp <<= o2.disp; | |
| 3759 else if (tk == TOKushr) | |
| 3760 o1.disp = cast(uint)o1.disp >> o2.disp; | |
| 3761 else | |
| 3762 o1.disp >>= o2.disp; | |
| 3763 } | |
| 3764 else | |
| 3765 asmerr(EM_bad_integral_operand); | |
| 3766 o2.disp = 0; | |
| 3767 o1 = asm_merge_opnds(o1, o2); | |
| 3768 } | |
| 3769 return o1; | |
| 3770 } | |
| 3771 | |
| 3772 /******************************* | |
| 3773 */ | |
| 3774 | |
| 3775 OPND* asm_add_exp() | |
| 3776 { | |
| 3777 OPND* o1 = asm_mul_exp(); | |
| 3778 OPND* o2; | |
| 3779 | |
| 3780 while (1) | |
| 3781 { | |
| 3782 switch (tok_value) | |
| 3783 { | |
| 3784 case TOKadd: | |
| 3785 asm_token(); | |
| 3786 o2 = asm_mul_exp(); | |
| 3787 o1 = asm_merge_opnds(o1, o2); | |
| 3788 break; | |
| 3789 | |
| 3790 case TOKmin: | |
| 3791 asm_token(); | |
| 3792 o2 = asm_mul_exp(); | |
| 3793 if (asm_isint(o1) && asm_isint(o2)) | |
| 3794 { | |
| 3795 o1.disp -= o2.disp; | |
| 3796 o2.disp = 0; | |
| 3797 } | |
| 3798 else | |
| 3799 o2.disp = - o2.disp; | |
| 3800 o1 = asm_merge_opnds(o1, o2); | |
| 3801 break; | |
| 3802 | |
| 3803 default: | |
| 3804 return o1; | |
| 3805 } | |
| 3806 } | |
| 3807 | |
| 3808 assert(false); | |
| 3809 } | |
| 3810 | |
| 3811 /******************************* | |
| 3812 */ | |
| 3813 | |
| 3814 OPND* asm_mul_exp() | |
| 3815 { | |
| 3816 OPND* o1; | |
| 3817 OPND* o2; | |
| 3818 OPND* popndTmp; | |
| 3819 | |
| 3820 //printf("+asm_mul_exp()\n"); | |
| 3821 o1 = asm_br_exp(); | |
| 3822 while (1) | |
| 3823 { | |
| 3824 switch (tok_value) | |
| 3825 { | |
| 3826 case TOKmul: | |
| 3827 asm_token(); | |
| 3828 o2 = asm_br_exp(); | |
| 3829 version (EXTRA_DEBUG) { | |
| 3830 printf("Star o1.isint=%d, o2.isint=%d, lbra_seen=%d\n", | |
| 3831 asm_isint(o1), asm_isint(o2), asm_TKlbra_seen ); | |
| 3832 } | |
| 3833 if (asm_isNonZeroInt(o1) && asm_isNonZeroInt(o2)) | |
| 3834 o1.disp *= o2.disp; | |
| 3835 else if (asm_TKlbra_seen && o1.pregDisp1 && asm_isNonZeroInt(o2)) | |
| 3836 { | |
| 3837 o1.uchMultiplier = o2.disp; | |
| 3838 version (EXTRA_DEBUG) { | |
| 3839 printf("Multiplier: %d\n", o1.uchMultiplier); | |
| 3840 } | |
| 3841 } | |
| 3842 else if (asm_TKlbra_seen && o2.pregDisp1 && asm_isNonZeroInt(o1)) | |
| 3843 { | |
| 3844 popndTmp = o2; | |
| 3845 o2 = o1; | |
| 3846 o1 = popndTmp; | |
| 3847 o1.uchMultiplier = o2.disp; | |
| 3848 version (EXTRA_DEBUG) { | |
| 3849 printf("Multiplier: %d\n", | |
| 3850 o1.uchMultiplier); | |
| 3851 } | |
| 3852 } | |
| 3853 else if (asm_isint(o1) && asm_isint(o2)) | |
| 3854 o1.disp *= o2.disp; | |
| 3855 else | |
| 3856 asmerr(EM_bad_operand); | |
| 3857 o2.disp = 0; | |
| 3858 o1 = asm_merge_opnds(o1, o2); | |
| 3859 break; | |
| 3860 | |
| 3861 case TOKdiv: | |
| 3862 asm_token(); | |
| 3863 o2 = asm_br_exp(); | |
| 3864 if (asm_isint(o1) && asm_isint(o2)) | |
| 3865 o1.disp /= o2.disp; | |
| 3866 else | |
| 3867 asmerr(EM_bad_integral_operand); | |
| 3868 o2.disp = 0; | |
| 3869 o1 = asm_merge_opnds(o1, o2); | |
| 3870 break; | |
| 3871 | |
| 3872 case TOKmod: | |
| 3873 asm_token(); | |
| 3874 o2 = asm_br_exp(); | |
| 3875 if (asm_isint(o1) && asm_isint(o2)) | |
| 3876 o1.disp %= o2.disp; | |
| 3877 else | |
| 3878 asmerr(EM_bad_integral_operand); | |
| 3879 o2.disp = 0; | |
| 3880 o1 = asm_merge_opnds(o1, o2); | |
| 3881 break; | |
| 3882 | |
| 3883 default: | |
| 3884 return o1; | |
| 3885 } | |
| 3886 } | |
| 3887 | |
| 3888 return o1; | |
| 3889 } | |
| 3890 | |
| 3891 OPND* asm_br_exp() | |
| 3892 { | |
| 3893 //printf("asm_br_exp()\n"); | |
| 3894 | |
| 3895 OPND* o1 = asm_una_exp(); | |
| 3896 OPND* o2; | |
| 3897 Declaration s; | |
| 3898 | |
| 3899 while (1) | |
| 3900 { | |
| 3901 switch (tok_value) | |
| 3902 { | |
| 3903 case TOKlbracket: | |
| 3904 { | |
| 3905 version (EXTRA_DEBUG) { | |
| 3906 printf("Saw a left bracket\n"); | |
| 3907 } | |
| 3908 asm_token(); | |
| 3909 asm_TKlbra_seen++; | |
| 3910 o2 = asm_cond_exp(); | |
| 3911 asm_TKlbra_seen--; | |
| 3912 asm_chktok(TOKrbracket,EM_rbra); | |
| 3913 version (EXTRA_DEBUG) { | |
| 3914 printf("Saw a right bracket\n"); | |
| 3915 } | |
| 3916 o1 = asm_merge_opnds(o1, o2); | |
| 3917 if (tok_value == TOKidentifier) | |
| 3918 { o2 = asm_una_exp(); | |
| 3919 o1 = asm_merge_opnds(o1, o2); | |
| 3920 } | |
| 3921 break; | |
| 3922 } | |
| 3923 default: | |
| 3924 return o1; | |
| 3925 } | |
| 3926 } | |
| 3927 | |
| 3928 assert(false); | |
| 3929 } | |
| 3930 | |
| 3931 /******************************* | |
| 3932 */ | |
| 3933 | |
| 3934 OPND* asm_una_exp() | |
| 3935 { | |
| 3936 OPND* o1; | |
| 3937 int op; | |
| 3938 Type ptype; | |
| 3939 Type ptypeSpec; | |
| 3940 ASM_JUMPTYPE ajt = ASM_JUMPTYPE_UNSPECIFIED; | |
| 3941 char bPtr = 0; | |
| 3942 | |
| 3943 switch (cast(int)tok_value) | |
| 3944 { | |
| 3945 static if (false) { | |
| 3946 case TOKand: | |
| 3947 asm_token(); | |
| 3948 o1 = asm_una_exp(); | |
| 3949 break; | |
| 3950 | |
| 3951 case TOKmul: | |
| 3952 asm_token(); | |
| 3953 o1 = asm_una_exp(); | |
| 3954 ++o1.indirect; | |
| 3955 break; | |
| 3956 } | |
| 3957 case TOKadd: | |
| 3958 asm_token(); | |
| 3959 o1 = asm_una_exp(); | |
| 3960 break; | |
| 3961 | |
| 3962 case TOKmin: | |
| 3963 asm_token(); | |
| 3964 o1 = asm_una_exp(); | |
| 3965 if (asm_isint(o1)) | |
| 3966 o1.disp = -o1.disp; | |
| 3967 break; | |
| 3968 | |
| 3969 case TOKnot: | |
| 3970 asm_token(); | |
| 3971 o1 = asm_una_exp(); | |
| 3972 if (asm_isint(o1)) | |
| 3973 o1.disp = !o1.disp; | |
| 3974 break; | |
| 3975 | |
| 3976 case TOKtilde: | |
| 3977 asm_token(); | |
| 3978 o1 = asm_una_exp(); | |
| 3979 if (asm_isint(o1)) | |
| 3980 o1.disp = ~o1.disp; | |
| 3981 break; | |
| 3982 | |
| 3983 static if (false) { | |
| 3984 case TOKlparen: | |
| 3985 // stoken() is called directly here because we really | |
| 3986 // want the INT token to be an INT. | |
| 3987 stoken(); | |
| 3988 if (type_specifier(&ptypeSpec)) /* if type_name */ | |
| 3989 { | |
| 3990 ptype = declar_abstract(ptypeSpec); | |
| 3991 /* read abstract_declarator */ | |
| 3992 fixdeclar(ptype);/* fix declarator */ | |
| 3993 type_free(ptypeSpec);/* the declar() function | |
| 3994 allocates the typespec again */ | |
| 3995 chktok(TOKrparen,EM_rpar); | |
| 3996 ptype.Tcount--; | |
| 3997 goto CAST_REF; | |
| 3998 } | |
| 3999 else | |
| 4000 { | |
| 4001 type_free(ptypeSpec); | |
| 4002 o1 = asm_cond_exp(); | |
| 4003 chktok(TOKrparen, EM_rpar); | |
| 4004 } | |
| 4005 break; | |
| 4006 } | |
| 4007 | |
| 4008 case TOKidentifier: | |
| 4009 // Check for offset keyword | |
| 4010 if (asmtok.ident == Id.offset) | |
| 4011 { | |
| 4012 if (!global.params.useDeprecated) | |
| 4013 error(asmstate.loc, "offset deprecated, use offsetof"); | |
| 4014 goto Loffset; | |
| 4015 } | |
| 4016 if (asmtok.ident == Id.offsetof) | |
| 4017 { | |
| 4018 Loffset: | |
| 4019 asm_token(); | |
| 4020 o1 = asm_cond_exp(); | |
| 4021 if (!o1) | |
| 4022 o1 = opnd_calloc(); | |
| 4023 o1.bOffset= true; | |
| 4024 } | |
| 4025 else | |
| 4026 o1 = asm_primary_exp(); | |
| 4027 break; | |
| 4028 | |
| 4029 case ASMTK.ASMTKseg: | |
| 4030 asm_token(); | |
| 4031 o1 = asm_cond_exp(); | |
| 4032 if (!o1) | |
| 4033 o1 = opnd_calloc(); | |
| 4034 o1.bSeg= true; | |
| 4035 break; | |
| 4036 | |
| 4037 case TOKint16: | |
| 4038 if (asmstate.ucItype != ITjump) | |
| 4039 { | |
| 4040 ptype = Type.tint16; | |
| 4041 goto TYPE_REF; | |
| 4042 } | |
| 4043 ajt = ASM_JUMPTYPE_SHORT; | |
| 4044 asm_token(); | |
| 4045 goto JUMP_REF2; | |
| 4046 | |
| 4047 case ASMTKnear: | |
| 4048 ajt = ASM_JUMPTYPE_NEAR; | |
| 4049 goto JUMP_REF; | |
| 4050 | |
| 4051 case ASMTKfar: | |
| 4052 ajt = ASM_JUMPTYPE_FAR; | |
| 4053 JUMP_REF: | |
| 4054 asm_token(); | |
| 4055 asm_chktok(cast(TOK) ASMTKptr, EM_ptr_exp); | |
| 4056 JUMP_REF2: | |
| 4057 o1 = asm_cond_exp(); | |
| 4058 if (!o1) | |
| 4059 o1 = opnd_calloc(); | |
| 4060 o1.ajt= ajt; | |
| 4061 break; | |
| 4062 | |
| 4063 case TOKint8: | |
| 4064 ptype = Type.tint8; | |
| 4065 goto TYPE_REF; | |
| 4066 case TOKint32: | |
| 4067 case ASMTKdword: | |
| 4068 ptype = Type.tint32; | |
| 4069 goto TYPE_REF; | |
| 4070 case TOKfloat32: | |
| 4071 ptype = Type.tfloat32; | |
| 4072 goto TYPE_REF; | |
| 4073 case ASMTKqword: | |
| 4074 case TOKfloat64: | |
| 4075 ptype = Type.tfloat64; | |
| 4076 goto TYPE_REF; | |
| 4077 case TOKfloat80: | |
| 4078 ptype = Type.tfloat80; | |
| 4079 goto TYPE_REF; | |
| 4080 case ASMTKword: | |
| 4081 ptype = Type.tint16; | |
| 4082 TYPE_REF: | |
| 4083 bPtr = 1; | |
| 4084 asm_token(); | |
| 4085 asm_chktok(cast(TOK) ASMTKptr, EM_ptr_exp); | |
| 4086 CAST_REF: | |
| 4087 o1 = asm_cond_exp(); | |
| 4088 if (!o1) | |
| 4089 o1 = opnd_calloc(); | |
| 4090 o1.ptype = ptype; | |
| 4091 o1.bPtr = bPtr; | |
| 4092 break; | |
| 4093 | |
| 4094 default: | |
| 4095 o1 = asm_primary_exp(); | |
| 4096 break; | |
| 4097 } | |
| 4098 return o1; | |
| 4099 } | |
| 4100 | |
| 4101 bool asm_isNonZeroInt(OPND* o) | |
| 4102 { | |
| 4103 if (!o || o.base || o.s) | |
| 4104 return false; | |
| 4105 | |
| 4106 return o.disp != 0; | |
| 4107 } | |
| 4108 | |
| 4109 OPND* asm_primary_exp() | |
| 4110 { | |
| 4111 OPND* o1 = null; | |
| 4112 OPND* o2 = null; | |
| 4113 Type ptype; | |
| 4114 Dsymbol s; | |
| 4115 Dsymbol scopesym; | |
| 4116 | |
| 4117 TOK tkOld; | |
| 4118 int global; | |
| 4119 REG* regp; | |
| 4120 | |
| 4121 global = 0; | |
| 4122 switch (cast(int)tok_value) | |
| 4123 { | |
| 4124 case TOKdollar: | |
| 4125 o1 = opnd_calloc(); | |
| 4126 o1.s = asmstate.psDollar; | |
| 4127 asm_token(); | |
| 4128 break; | |
| 4129 | |
| 4130 static if (false) { | |
| 4131 case TOKthis: | |
| 4132 strcpy(tok.TKid,cpp_name_this); | |
| 4133 } | |
| 4134 case TOKidentifier: | |
| 4135 case_ident: | |
| 4136 o1 = opnd_calloc(); | |
| 4137 regp = asm_reg_lookup(asmtok.ident.toChars()); | |
| 4138 if (regp !is null) | |
| 4139 { | |
| 4140 asm_token(); | |
| 4141 // see if it is segment override (like SS:) | |
| 4142 if (!asm_TKlbra_seen && | |
| 4143 (regp.ty & _seg) && | |
| 4144 tok_value == TOKcolon) | |
| 4145 { | |
| 4146 o1.segreg = regp; | |
| 4147 asm_token(); | |
| 4148 o2 = asm_cond_exp(); | |
| 4149 o1 = asm_merge_opnds(o1, o2); | |
| 4150 } | |
| 4151 else if (asm_TKlbra_seen) | |
| 4152 { // should be a register | |
| 4153 if (o1.pregDisp1) | |
| 4154 asmerr(EM_bad_operand); | |
| 4155 else | |
| 4156 o1.pregDisp1 = regp; | |
| 4157 } | |
| 4158 else | |
| 4159 { if (o1.base == null) | |
| 4160 o1.base = regp; | |
| 4161 else | |
| 4162 asmerr(EM_bad_operand); | |
| 4163 } | |
| 4164 break; | |
| 4165 } | |
| 4166 // If floating point instruction and id is a floating register | |
| 4167 else if (asmstate.ucItype == ITfloat && | |
| 4168 asm_is_fpreg(asmtok.ident.toChars())) | |
| 4169 { | |
| 4170 asm_token(); | |
| 4171 if (tok_value == TOKlparen) | |
| 4172 { | |
| 4173 uint n; | |
| 4174 | |
| 4175 asm_token(); | |
| 4176 asm_chktok(TOKint32v, EM_num); | |
| 4177 n = cast(uint)asmtok.uns64value; | |
| 4178 if (n > 7) | |
| 4179 asmerr(EM_bad_operand); | |
| 4180 o1.base = &(aregFp[n]); | |
| 4181 asm_chktok(TOKrparen, EM_rpar); | |
| 4182 } | |
| 4183 else | |
| 4184 o1.base = ®Fp; | |
| 4185 } | |
| 4186 else | |
| 4187 { | |
| 4188 if (asmstate.ucItype == ITjump) | |
| 4189 { | |
| 4190 s = null; | |
| 4191 if (asmstate.sc.func.labtab) | |
| 4192 s = asmstate.sc.func.labtab.lookup(asmtok.ident); | |
| 4193 if (!s) | |
| 4194 s = asmstate.sc.search(Loc(0), asmtok.ident, &scopesym); | |
| 4195 if (!s) | |
| 4196 { // Assume it is a label, and define that label | |
| 4197 s = asmstate.sc.func.searchLabel(asmtok.ident); | |
| 4198 } | |
| 4199 } | |
| 4200 else | |
| 4201 s = asmstate.sc.search(Loc(0), asmtok.ident, &scopesym); | |
| 4202 | |
| 4203 if (!s) | |
| 4204 asmerr(EM_undefined, asmtok.toChars()); | |
| 4205 | |
| 4206 Identifier id = asmtok.ident; | |
| 4207 asm_token(); | |
| 4208 if (tok_value == TOKdot) | |
| 4209 { | |
| 4210 Expression e; | |
| 4211 VarExp v; | |
| 4212 | |
| 4213 e = new IdentifierExp(asmstate.loc, id); | |
| 4214 while (1) | |
| 4215 { | |
| 4216 asm_token(); | |
| 4217 if (tok_value == TOKidentifier) | |
| 4218 { | |
| 4219 e = new DotIdExp(asmstate.loc, e, asmtok.ident); | |
| 4220 asm_token(); | |
| 4221 if (tok_value != TOKdot) | |
| 4222 break; | |
| 4223 } | |
| 4224 else | |
| 4225 { | |
| 4226 asmerr(EM_ident_exp); | |
| 4227 break; | |
| 4228 } | |
| 4229 } | |
| 4230 e = e.semantic(asmstate.sc); | |
| 4231 e = e.optimize(WANTvalue | WANTinterpret); | |
| 4232 if (e.isConst()) | |
| 4233 { | |
| 4234 if (e.type.isintegral()) | |
| 4235 { | |
| 4236 o1.disp = cast(int)e.toInteger(); | |
| 4237 goto Lpost; | |
| 4238 } | |
| 4239 else if (e.type.isreal()) | |
| 4240 { | |
| 4241 o1.real_ = e.toReal(); | |
| 4242 o1.ptype = e.type; | |
| 4243 goto Lpost; | |
| 4244 } | |
| 4245 else | |
| 4246 { | |
| 4247 asmerr(EM_bad_op, e.toChars()); | |
| 4248 } | |
| 4249 } | |
| 4250 else if (e.op == TOKvar) | |
| 4251 { | |
| 4252 v = cast(VarExp)e; | |
| 4253 s = v.var; | |
| 4254 } | |
| 4255 else | |
| 4256 { | |
| 4257 asmerr(EM_bad_op, e.toChars()); | |
| 4258 } | |
| 4259 } | |
| 4260 | |
| 4261 asm_merge_symbol(o1,s); | |
| 4262 | |
| 4263 /* This attempts to answer the question: is | |
| 4264 * char[8] foo; | |
| 4265 * of size 1 or size 8? Presume it is 8 if foo | |
| 4266 * is the last token of the operand. | |
| 4267 */ | |
| 4268 if (o1.ptype && tok_value != TOKcomma && tok_value != TOKeof) | |
| 4269 { | |
| 4270 for (; | |
| 4271 o1.ptype.ty == Tsarray; | |
| 4272 o1.ptype = o1.ptype.nextOf()) | |
| 4273 { | |
| 4274 ; | |
| 4275 } | |
| 4276 } | |
| 4277 | |
| 4278 Lpost: | |
| 4279 static if (false) { | |
| 4280 // for [] | |
| 4281 if (tok_value == TOKlbracket) | |
| 4282 o1 = asm_prim_post(o1); | |
| 4283 } | |
| 4284 goto Lret; | |
| 4285 } | |
| 4286 break; | |
| 4287 | |
| 4288 case TOKint32v: | |
| 4289 case TOKuns32v: | |
| 4290 o1 = opnd_calloc(); | |
| 4291 o1.disp = asmtok.int32value; | |
| 4292 asm_token(); | |
| 4293 break; | |
| 4294 | |
| 4295 case TOKfloat32v: | |
| 4296 o1 = opnd_calloc(); | |
| 4297 o1.real_ = asmtok.float80value; | |
| 4298 o1.ptype = Type.tfloat32; | |
| 4299 asm_token(); | |
| 4300 break; | |
| 4301 | |
| 4302 case TOKfloat64v: | |
| 4303 o1 = opnd_calloc(); | |
| 4304 o1.real_ = asmtok.float80value; | |
| 4305 o1.ptype = Type.tfloat64; | |
| 4306 asm_token(); | |
| 4307 break; | |
| 4308 | |
| 4309 case TOKfloat80v: | |
| 4310 o1 = opnd_calloc(); | |
| 4311 o1.real_ = asmtok.float80value; | |
| 4312 o1.ptype = Type.tfloat80; | |
| 4313 asm_token(); | |
| 4314 break; | |
| 4315 | |
| 4316 case ASMTKlocalsize: | |
| 4317 o1 = opnd_calloc(); | |
| 4318 o1.s = asmstate.psLocalsize; | |
| 4319 o1.ptype = Type.tint32; | |
| 4320 asm_token(); | |
| 4321 break; | |
| 4322 | |
| 4323 default: | |
| 4324 break; /// | |
| 4325 } | |
| 4326 Lret: | |
| 4327 return o1; | |
| 4328 } | |
| 4329 | |
| 4330 void asm_merge_symbol(OPND* o1, Dsymbol s) | |
| 4331 { | |
| 4332 Type ptype; | |
| 4333 VarDeclaration v; | |
| 4334 EnumMember em; | |
| 4335 | |
| 4336 //printf("asm_merge_symbol(s = %s %s)\n", s.kind(), s.toChars()); | |
| 4337 s = s.toAlias(); | |
| 4338 //printf("s = %s %s\n", s.kind(), s.toChars()); | |
| 4339 if (s.isLabel()) | |
| 4340 { | |
| 4341 o1.s = s; | |
| 4342 return; | |
| 4343 } | |
| 4344 | |
| 4345 v = s.isVarDeclaration(); | |
| 4346 if (v) | |
| 4347 { | |
| 4348 if (v.isParameter()) | |
| 4349 asmstate.statement.refparam = true; | |
| 4350 | |
| 4351 v.checkNestedReference(asmstate.sc, asmstate.loc); | |
| 4352 static if (false) { | |
| 4353 if (!v.isDataseg() && v.parent != asmstate.sc.parent && v.parent) | |
| 4354 { | |
| 4355 asmerr(EM_uplevel, v.toChars()); | |
| 4356 } | |
| 4357 } | |
| 4358 if (v.storage_class & STCfield) | |
| 4359 { | |
| 4360 o1.disp += v.offset; | |
| 4361 goto L2; | |
| 4362 } | |
| 4363 if ((v.isConst() | |
| 4364 ///version (DMDV2) { | |
| 135 | 4365 || v.isImmutable() || v.storage_class & STCmanifest |
| 0 | 4366 ///} |
| 4367 ) && !v.type.isfloating() && v.init) | |
| 4368 { | |
| 4369 ExpInitializer ei = v.init.isExpInitializer(); | |
| 4370 | |
| 4371 if (ei) | |
| 4372 { | |
| 4373 o1.disp = cast(int)ei.exp.toInteger(); | |
| 4374 return; | |
| 4375 } | |
| 4376 } | |
| 4377 } | |
| 4378 em = s.isEnumMember(); | |
| 4379 if (em) | |
| 4380 { | |
| 4381 o1.disp = cast(int)em.value.toInteger(); | |
| 4382 return; | |
| 4383 } | |
| 4384 o1.s = s; // a C identifier | |
| 4385 L2: | |
| 4386 Declaration d = s.isDeclaration(); | |
| 4387 if (!d) | |
| 4388 { | |
| 4389 asmerr("%s %s is not a declaration", s.kind(), s.toChars()); | |
| 4390 } | |
| 4391 else if (d.getType()) | |
| 4392 asmerr(EM_type_as_operand, d.getType().toChars()); | |
| 4393 else if (d.isTupleDeclaration()) { | |
| 4394 ; | |
| 4395 } else | |
| 4396 o1.ptype = d.type.toBasetype(); | |
| 4397 } | |
| 4398 | |
| 175 | 4399 enum REG[63] regtab = |
| 0 | 4400 [ |
| 4401 {"AL", _AL, _r8 | _al,}, | |
| 4402 {"AH", _AH, _r8,}, | |
| 4403 {"AX", _AX, _r16 | _ax,}, | |
| 4404 {"EAX", _EAX, _r32 | _eax,}, | |
| 4405 {"BL", _BL, _r8,}, | |
| 4406 {"BH", _BH, _r8,}, | |
| 4407 {"BX", _BX, _r16,}, | |
| 4408 {"EBX", _EBX, _r32,}, | |
| 4409 {"CL", _CL, _r8 | _cl,}, | |
| 4410 {"CH", _CH, _r8,}, | |
| 4411 {"CX", _CX, _r16,}, | |
| 4412 {"ECX", _ECX, _r32,}, | |
| 4413 {"DL", _DL, _r8,}, | |
| 4414 {"DH", _DH, _r8,}, | |
| 4415 {"DX", _DX, _r16 | _dx,}, | |
| 4416 {"EDX", _EDX, _r32,}, | |
| 4417 {"BP", _BP, _r16,}, | |
| 4418 {"EBP", _EBP, _r32,}, | |
| 4419 {"SP", _SP, _r16,}, | |
| 4420 {"ESP", _ESP, _r32,}, | |
| 4421 {"DI", _DI, _r16,}, | |
| 4422 {"EDI", _EDI, _r32,}, | |
| 4423 {"SI", _SI, _r16,}, | |
| 4424 {"ESI", _ESI, _r32,}, | |
| 4425 {"ES", _ES, _seg | _es,}, | |
| 4426 {"CS", _CS, _seg | _cs,}, | |
| 4427 {"SS", _SS, _seg | _ss,}, | |
| 4428 {"DS", _DS, _seg | _ds,}, | |
| 4429 {"GS", _GS, _seg | _gs,}, | |
| 4430 {"FS", _FS, _seg | _fs,}, | |
| 4431 {"CR0", 0, _special | _crn,}, | |
| 4432 {"CR2", 2, _special | _crn,}, | |
| 4433 {"CR3", 3, _special | _crn,}, | |
| 4434 {"CR4", 4, _special | _crn,}, | |
| 4435 {"DR0", 0, _special | _drn,}, | |
| 4436 {"DR1", 1, _special | _drn,}, | |
| 4437 {"DR2", 2, _special | _drn,}, | |
| 4438 {"DR3", 3, _special | _drn,}, | |
| 4439 {"DR4", 4, _special | _drn,}, | |
| 4440 {"DR5", 5, _special | _drn,}, | |
| 4441 {"DR6", 6, _special | _drn,}, | |
| 4442 {"DR7", 7, _special | _drn,}, | |
| 4443 {"TR3", 3, _special | _trn,}, | |
| 4444 {"TR4", 4, _special | _trn,}, | |
| 4445 {"TR5", 5, _special | _trn,}, | |
| 4446 {"TR6", 6, _special | _trn,}, | |
| 4447 {"TR7", 7, _special | _trn,}, | |
| 4448 {"MM0", 0, _mm,}, | |
| 4449 {"MM1", 1, _mm,}, | |
| 4450 {"MM2", 2, _mm,}, | |
| 4451 {"MM3", 3, _mm,}, | |
| 4452 {"MM4", 4, _mm,}, | |
| 4453 {"MM5", 5, _mm,}, | |
| 4454 {"MM6", 6, _mm,}, | |
| 4455 {"MM7", 7, _mm,}, | |
| 4456 {"XMM0", 0, _xmm,}, | |
| 4457 {"XMM1", 1, _xmm,}, | |
| 4458 {"XMM2", 2, _xmm,}, | |
| 4459 {"XMM3", 3, _xmm,}, | |
| 4460 {"XMM4", 4, _xmm,}, | |
| 4461 {"XMM5", 5, _xmm,}, | |
| 4462 {"XMM6", 6, _xmm,}, | |
| 4463 {"XMM7", 7, _xmm,}, | |
| 4464 ]; | |
| 4465 | |
| 4466 REG* asm_reg_lookup(string s) | |
| 4467 { | |
| 4468 //dbg_printf("asm_reg_lookup('%s')\n",s); | |
| 4469 | |
| 4470 for (int i = 0; i < regtab.length; i++) | |
| 4471 { | |
| 54 | 4472 if (regtab[i].regstr == s) |
| 0 | 4473 { |
| 4474 return ®tab[i]; | |
| 4475 } | |
| 4476 } | |
| 4477 | |
| 4478 return null; | |
| 4479 } | |
| 4480 | |
| 4481 int asm_is_fpreg(string szReg) | |
| 4482 { | |
| 4483 static if (true) { | |
| 4484 return(szReg.length == 2 && szReg[0] == 'S' && | |
| 4485 szReg[1] == 'T'); | |
| 4486 } else { | |
| 4487 return(szReg.length == 2 && (szReg[0] == 's' || szReg[0] == 'S') && | |
| 4488 (szReg[1] == 't' || szReg[1] == 'T')); | |
| 4489 } | |
|
14
2cc604139636
Implemented Linux support for ddmd. Some parts are a bit hacky to just "get it working", that said, druntime and phobos compile, and unittests pass.
Robert Clipsham <robert@octarineparrot.com>
parents:
5
diff
changeset
|
4490 } |
| 140 | 4491 |
| 4492 extern(C) | |
| 4493 { | |
| 4494 // backward reference from backend | |
| 4495 | |
|
146
af7e5ebef6ad
redundant extern(C)
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
145
diff
changeset
|
4496 __gshared int refparam; |
| 140 | 4497 |
| 4498 /********************************** | |
| 4499 * Return mask of registers used by block bp. | |
| 4500 */ | |
| 4501 regm_t iasm_regs(block *bp) | |
| 4502 { | |
| 4503 debug if (debuga) | |
| 4504 printf("Block iasm regs = 0x%X\n", bp.usIasmregs); | |
| 4505 | |
| 4506 refparam |= bp.bIasmrefparam; | |
| 4507 return bp.usIasmregs; | |
| 4508 } | |
| 4509 } |