buzbee | 1452bee | 2015-03-06 14:43:04 -0800 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | # |
| 3 | # Copyright (C) 2016 The Android Open Source Project |
| 4 | # |
| 5 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | # you may not use this file except in compliance with the License. |
| 7 | # You may obtain a copy of the License at |
| 8 | # |
| 9 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | # |
| 11 | # Unless required by applicable law or agreed to in writing, software |
| 12 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | # See the License for the specific language governing permissions and |
| 15 | # limitations under the License. |
| 16 | |
| 17 | # |
| 18 | # Using instructions from an architecture-specific config file, generate C |
| 19 | # and assembly source files for the Dalvik interpreter. |
| 20 | # |
| 21 | |
| 22 | import sys, string, re, time |
| 23 | from string import Template |
| 24 | |
| 25 | interp_defs_file = "../../dex_instruction_list.h" # need opcode list |
| 26 | kNumPackedOpcodes = 256 |
| 27 | |
| 28 | splitops = False |
| 29 | verbose = False |
| 30 | handler_size_bits = -1000 |
| 31 | handler_size_bytes = -1000 |
| 32 | in_op_start = 0 # 0=not started, 1=started, 2=ended |
| 33 | in_alt_op_start = 0 # 0=not started, 1=started, 2=ended |
| 34 | default_op_dir = None |
| 35 | default_alt_stub = None |
| 36 | opcode_locations = {} |
| 37 | alt_opcode_locations = {} |
| 38 | asm_stub_text = [] |
| 39 | fallback_stub_text = [] |
| 40 | label_prefix = ".L" # use ".L" to hide labels from gdb |
| 41 | alt_label_prefix = ".L_ALT" # use ".L" to hide labels from gdb |
| 42 | style = None # interpreter style |
| 43 | generate_alt_table = False |
| 44 | |
| 45 | # Exception class. |
| 46 | class DataParseError(SyntaxError): |
| 47 | "Failure when parsing data file" |
| 48 | |
| 49 | # |
| 50 | # Set any omnipresent substitution values. |
| 51 | # |
| 52 | def getGlobalSubDict(): |
| 53 | return { "handler_size_bits":handler_size_bits, |
| 54 | "handler_size_bytes":handler_size_bytes } |
| 55 | |
| 56 | # |
| 57 | # Parse arch config file -- |
| 58 | # Set interpreter style. |
| 59 | # |
| 60 | def setHandlerStyle(tokens): |
| 61 | global style |
| 62 | if len(tokens) != 2: |
| 63 | raise DataParseError("handler-style requires one argument") |
| 64 | style = tokens[1] |
| 65 | if style != "computed-goto": |
| 66 | raise DataParseError("handler-style (%s) invalid" % style) |
| 67 | |
| 68 | # |
| 69 | # Parse arch config file -- |
| 70 | # Set handler_size_bytes to the value of tokens[1], and handler_size_bits to |
| 71 | # log2(handler_size_bytes). Throws an exception if "bytes" is not 0 or |
| 72 | # a power of two. |
| 73 | # |
| 74 | def setHandlerSize(tokens): |
| 75 | global handler_size_bits, handler_size_bytes |
| 76 | if style != "computed-goto": |
| 77 | print "Warning: handler-size valid only for computed-goto interpreters" |
| 78 | if len(tokens) != 2: |
| 79 | raise DataParseError("handler-size requires one argument") |
| 80 | if handler_size_bits != -1000: |
| 81 | raise DataParseError("handler-size may only be set once") |
| 82 | |
| 83 | # compute log2(n), and make sure n is 0 or a power of 2 |
| 84 | handler_size_bytes = bytes = int(tokens[1]) |
| 85 | bits = -1 |
| 86 | while bytes > 0: |
| 87 | bytes //= 2 # halve with truncating division |
| 88 | bits += 1 |
| 89 | |
| 90 | if handler_size_bytes == 0 or handler_size_bytes != (1 << bits): |
| 91 | raise DataParseError("handler-size (%d) must be power of 2" \ |
| 92 | % orig_bytes) |
| 93 | handler_size_bits = bits |
| 94 | |
| 95 | # |
| 96 | # Parse arch config file -- |
| 97 | # Copy a file in to asm output file. |
| 98 | # |
| 99 | def importFile(tokens): |
| 100 | if len(tokens) != 2: |
| 101 | raise DataParseError("import requires one argument") |
| 102 | source = tokens[1] |
| 103 | if source.endswith(".S"): |
| 104 | appendSourceFile(tokens[1], getGlobalSubDict(), asm_fp, None) |
| 105 | else: |
| 106 | raise DataParseError("don't know how to import %s (expecting .cpp/.S)" |
| 107 | % source) |
| 108 | |
| 109 | # |
| 110 | # Parse arch config file -- |
| 111 | # Copy a file in to the C or asm output file. |
| 112 | # |
| 113 | def setAsmStub(tokens): |
| 114 | global asm_stub_text |
| 115 | if len(tokens) != 2: |
| 116 | raise DataParseError("import requires one argument") |
| 117 | try: |
| 118 | stub_fp = open(tokens[1]) |
| 119 | asm_stub_text = stub_fp.readlines() |
| 120 | except IOError, err: |
| 121 | stub_fp.close() |
| 122 | raise DataParseError("unable to load asm-stub: %s" % str(err)) |
| 123 | stub_fp.close() |
| 124 | |
| 125 | # |
| 126 | # Parse arch config file -- |
| 127 | # Copy a file in to the C or asm output file. |
| 128 | # |
| 129 | def setFallbackStub(tokens): |
| 130 | global fallback_stub_text |
| 131 | if len(tokens) != 2: |
| 132 | raise DataParseError("import requires one argument") |
| 133 | try: |
| 134 | stub_fp = open(tokens[1]) |
| 135 | fallback_stub_text = stub_fp.readlines() |
| 136 | except IOError, err: |
| 137 | stub_fp.close() |
| 138 | raise DataParseError("unable to load fallback-stub: %s" % str(err)) |
| 139 | stub_fp.close() |
| 140 | # |
| 141 | # Parse arch config file -- |
| 142 | # Record location of default alt stub |
| 143 | # |
| 144 | def setAsmAltStub(tokens): |
| 145 | global default_alt_stub, generate_alt_table |
| 146 | if len(tokens) != 2: |
| 147 | raise DataParseError("import requires one argument") |
| 148 | default_alt_stub = tokens[1] |
| 149 | generate_alt_table = True |
| 150 | |
| 151 | # |
| 152 | # Parse arch config file -- |
| 153 | # Start of opcode list. |
| 154 | # |
| 155 | def opStart(tokens): |
| 156 | global in_op_start |
| 157 | global default_op_dir |
| 158 | if len(tokens) != 2: |
| 159 | raise DataParseError("opStart takes a directory name argument") |
| 160 | if in_op_start != 0: |
| 161 | raise DataParseError("opStart can only be specified once") |
| 162 | default_op_dir = tokens[1] |
| 163 | in_op_start = 1 |
| 164 | |
| 165 | # |
| 166 | # Parse arch config file -- |
| 167 | # Set location of a single alt opcode's source file. |
| 168 | # |
| 169 | def altEntry(tokens): |
| 170 | global generate_alt_table |
| 171 | if len(tokens) != 3: |
| 172 | raise DataParseError("alt requires exactly two arguments") |
| 173 | if in_op_start != 1: |
| 174 | raise DataParseError("alt statements must be between opStart/opEnd") |
| 175 | try: |
| 176 | index = opcodes.index(tokens[1]) |
| 177 | except ValueError: |
| 178 | raise DataParseError("unknown opcode %s" % tokens[1]) |
| 179 | if alt_opcode_locations.has_key(tokens[1]): |
| 180 | print "Note: alt overrides earlier %s (%s -> %s)" \ |
| 181 | % (tokens[1], alt_opcode_locations[tokens[1]], tokens[2]) |
| 182 | alt_opcode_locations[tokens[1]] = tokens[2] |
| 183 | generate_alt_table = True |
| 184 | |
| 185 | # |
| 186 | # Parse arch config file -- |
| 187 | # Set location of a single opcode's source file. |
| 188 | # |
| 189 | def opEntry(tokens): |
| 190 | #global opcode_locations |
| 191 | if len(tokens) != 3: |
| 192 | raise DataParseError("op requires exactly two arguments") |
| 193 | if in_op_start != 1: |
| 194 | raise DataParseError("op statements must be between opStart/opEnd") |
| 195 | try: |
| 196 | index = opcodes.index(tokens[1]) |
| 197 | except ValueError: |
| 198 | raise DataParseError("unknown opcode %s" % tokens[1]) |
| 199 | if opcode_locations.has_key(tokens[1]): |
| 200 | print "Note: op overrides earlier %s (%s -> %s)" \ |
| 201 | % (tokens[1], opcode_locations[tokens[1]], tokens[2]) |
| 202 | opcode_locations[tokens[1]] = tokens[2] |
| 203 | |
| 204 | # |
| 205 | # Parse arch config file -- |
| 206 | # End of opcode list; emit instruction blocks. |
| 207 | # |
| 208 | def opEnd(tokens): |
| 209 | global in_op_start |
| 210 | if len(tokens) != 1: |
| 211 | raise DataParseError("opEnd takes no arguments") |
| 212 | if in_op_start != 1: |
| 213 | raise DataParseError("opEnd must follow opStart, and only appear once") |
| 214 | in_op_start = 2 |
| 215 | |
| 216 | loadAndEmitOpcodes() |
| 217 | if splitops == False: |
| 218 | if generate_alt_table: |
| 219 | loadAndEmitAltOpcodes() |
| 220 | |
| 221 | def genaltop(tokens): |
| 222 | if in_op_start != 2: |
| 223 | raise DataParseError("alt-op can be specified only after op-end") |
| 224 | if len(tokens) != 1: |
| 225 | raise DataParseError("opEnd takes no arguments") |
| 226 | if generate_alt_table: |
| 227 | loadAndEmitAltOpcodes() |
| 228 | |
| 229 | # |
| 230 | # Extract an ordered list of instructions from the VM sources. We use the |
| 231 | # "goto table" definition macro, which has exactly kNumPackedOpcodes |
| 232 | # entries. |
| 233 | # |
| 234 | def getOpcodeList(): |
| 235 | opcodes = [] |
| 236 | opcode_fp = open(interp_defs_file) |
| 237 | opcode_re = re.compile(r"^\s*V\((....), (\w+),.*", re.DOTALL) |
| 238 | for line in opcode_fp: |
| 239 | match = opcode_re.match(line) |
| 240 | if not match: |
| 241 | continue |
| 242 | opcodes.append("op_" + match.group(2).lower()) |
| 243 | opcode_fp.close() |
| 244 | |
| 245 | if len(opcodes) != kNumPackedOpcodes: |
| 246 | print "ERROR: found %d opcodes in Interp.h (expected %d)" \ |
| 247 | % (len(opcodes), kNumPackedOpcodes) |
| 248 | raise SyntaxError, "bad opcode count" |
| 249 | return opcodes |
| 250 | |
| 251 | def emitAlign(): |
| 252 | if style == "computed-goto": |
| 253 | asm_fp.write(" .balign %d\n" % handler_size_bytes) |
| 254 | |
| 255 | # |
| 256 | # Load and emit opcodes for all kNumPackedOpcodes instructions. |
| 257 | # |
| 258 | def loadAndEmitOpcodes(): |
| 259 | sister_list = [] |
| 260 | assert len(opcodes) == kNumPackedOpcodes |
| 261 | need_dummy_start = False |
| 262 | start_label = "artMterpAsmInstructionStart" |
| 263 | end_label = "artMterpAsmInstructionEnd" |
| 264 | |
| 265 | # point MterpAsmInstructionStart at the first handler or stub |
| 266 | asm_fp.write("\n .global %s\n" % start_label) |
| 267 | asm_fp.write(" .type %s, %%function\n" % start_label) |
| 268 | asm_fp.write("%s = " % start_label + label_prefix + "_op_nop\n") |
| 269 | asm_fp.write(" .text\n\n") |
| 270 | |
| 271 | for i in xrange(kNumPackedOpcodes): |
| 272 | op = opcodes[i] |
| 273 | |
| 274 | if opcode_locations.has_key(op): |
| 275 | location = opcode_locations[op] |
| 276 | else: |
| 277 | location = default_op_dir |
| 278 | |
| 279 | if location == "FALLBACK": |
| 280 | emitFallback(i) |
| 281 | else: |
| 282 | loadAndEmitAsm(location, i, sister_list) |
| 283 | |
| 284 | # For a 100% C implementation, there are no asm handlers or stubs. We |
| 285 | # need to have the MterpAsmInstructionStart label point at op_nop, and it's |
| 286 | # too annoying to try to slide it in after the alignment psuedo-op, so |
| 287 | # we take the low road and just emit a dummy op_nop here. |
| 288 | if need_dummy_start: |
| 289 | emitAlign() |
| 290 | asm_fp.write(label_prefix + "_op_nop: /* dummy */\n"); |
| 291 | |
| 292 | emitAlign() |
| 293 | asm_fp.write(" .size %s, .-%s\n" % (start_label, start_label)) |
| 294 | asm_fp.write(" .global %s\n" % end_label) |
| 295 | asm_fp.write("%s:\n" % end_label) |
| 296 | |
| 297 | if style == "computed-goto": |
| 298 | emitSectionComment("Sister implementations", asm_fp) |
| 299 | asm_fp.write(" .global artMterpAsmSisterStart\n") |
| 300 | asm_fp.write(" .type artMterpAsmSisterStart, %function\n") |
| 301 | asm_fp.write(" .text\n") |
| 302 | asm_fp.write(" .balign 4\n") |
| 303 | asm_fp.write("artMterpAsmSisterStart:\n") |
| 304 | asm_fp.writelines(sister_list) |
| 305 | asm_fp.write("\n .size artMterpAsmSisterStart, .-artMterpAsmSisterStart\n") |
| 306 | asm_fp.write(" .global artMterpAsmSisterEnd\n") |
| 307 | asm_fp.write("artMterpAsmSisterEnd:\n\n") |
| 308 | |
| 309 | # |
| 310 | # Load an alternate entry stub |
| 311 | # |
| 312 | def loadAndEmitAltStub(source, opindex): |
| 313 | op = opcodes[opindex] |
| 314 | if verbose: |
| 315 | print " alt emit %s --> stub" % source |
| 316 | dict = getGlobalSubDict() |
| 317 | dict.update({ "opcode":op, "opnum":opindex }) |
| 318 | |
| 319 | emitAsmHeader(asm_fp, dict, alt_label_prefix) |
| 320 | appendSourceFile(source, dict, asm_fp, None) |
| 321 | |
| 322 | # |
| 323 | # Load and emit alternate opcodes for all kNumPackedOpcodes instructions. |
| 324 | # |
| 325 | def loadAndEmitAltOpcodes(): |
| 326 | assert len(opcodes) == kNumPackedOpcodes |
| 327 | start_label = "artMterpAsmAltInstructionStart" |
| 328 | end_label = "artMterpAsmAltInstructionEnd" |
| 329 | |
| 330 | # point MterpAsmInstructionStart at the first handler or stub |
| 331 | asm_fp.write("\n .global %s\n" % start_label) |
| 332 | asm_fp.write(" .type %s, %%function\n" % start_label) |
| 333 | asm_fp.write(" .text\n\n") |
| 334 | asm_fp.write("%s = " % start_label + label_prefix + "_ALT_op_nop\n") |
| 335 | |
| 336 | for i in xrange(kNumPackedOpcodes): |
| 337 | op = opcodes[i] |
| 338 | if alt_opcode_locations.has_key(op): |
| 339 | source = "%s/alt_%s.S" % (alt_opcode_locations[op], op) |
| 340 | else: |
| 341 | source = default_alt_stub |
| 342 | loadAndEmitAltStub(source, i) |
| 343 | |
| 344 | emitAlign() |
| 345 | asm_fp.write(" .size %s, .-%s\n" % (start_label, start_label)) |
| 346 | asm_fp.write(" .global %s\n" % end_label) |
| 347 | asm_fp.write("%s:\n" % end_label) |
| 348 | |
| 349 | # |
| 350 | # Load an assembly fragment and emit it. |
| 351 | # |
| 352 | def loadAndEmitAsm(location, opindex, sister_list): |
| 353 | op = opcodes[opindex] |
| 354 | source = "%s/%s.S" % (location, op) |
| 355 | dict = getGlobalSubDict() |
| 356 | dict.update({ "opcode":op, "opnum":opindex }) |
| 357 | if verbose: |
| 358 | print " emit %s --> asm" % source |
| 359 | |
| 360 | emitAsmHeader(asm_fp, dict, label_prefix) |
| 361 | appendSourceFile(source, dict, asm_fp, sister_list) |
| 362 | |
| 363 | # |
| 364 | # Emit fallback fragment |
| 365 | # |
| 366 | def emitFallback(opindex): |
| 367 | op = opcodes[opindex] |
| 368 | dict = getGlobalSubDict() |
| 369 | dict.update({ "opcode":op, "opnum":opindex }) |
| 370 | emitAsmHeader(asm_fp, dict, label_prefix) |
| 371 | for line in fallback_stub_text: |
| 372 | asm_fp.write(line) |
| 373 | asm_fp.write("\n") |
| 374 | |
| 375 | # |
| 376 | # Output the alignment directive and label for an assembly piece. |
| 377 | # |
| 378 | def emitAsmHeader(outfp, dict, prefix): |
| 379 | outfp.write("/* ------------------------------ */\n") |
| 380 | # The alignment directive ensures that the handler occupies |
| 381 | # at least the correct amount of space. We don't try to deal |
| 382 | # with overflow here. |
| 383 | emitAlign() |
| 384 | # Emit a label so that gdb will say the right thing. We prepend an |
| 385 | # underscore so the symbol name doesn't clash with the Opcode enum. |
| 386 | outfp.write(prefix + "_%(opcode)s: /* 0x%(opnum)02x */\n" % dict) |
| 387 | |
| 388 | # |
| 389 | # Output a generic instruction stub that updates the "glue" struct and |
| 390 | # calls the C implementation. |
| 391 | # |
| 392 | def emitAsmStub(outfp, dict): |
| 393 | emitAsmHeader(outfp, dict, label_prefix) |
| 394 | for line in asm_stub_text: |
| 395 | templ = Template(line) |
| 396 | outfp.write(templ.substitute(dict)) |
| 397 | |
| 398 | # |
| 399 | # Append the file specified by "source" to the open "outfp". Each line will |
| 400 | # be template-replaced using the substitution dictionary "dict". |
| 401 | # |
| 402 | # If the first line of the file starts with "%" it is taken as a directive. |
| 403 | # A "%include" line contains a filename and, optionally, a Python-style |
| 404 | # dictionary declaration with substitution strings. (This is implemented |
| 405 | # with recursion.) |
| 406 | # |
| 407 | # If "sister_list" is provided, and we find a line that contains only "&", |
| 408 | # all subsequent lines from the file will be appended to sister_list instead |
| 409 | # of copied to the output. |
| 410 | # |
| 411 | # This may modify "dict". |
| 412 | # |
| 413 | def appendSourceFile(source, dict, outfp, sister_list): |
| 414 | outfp.write("/* File: %s */\n" % source) |
| 415 | infp = open(source, "r") |
| 416 | in_sister = False |
| 417 | for line in infp: |
| 418 | if line.startswith("%include"): |
| 419 | # Parse the "include" line |
| 420 | tokens = line.strip().split(' ', 2) |
| 421 | if len(tokens) < 2: |
| 422 | raise DataParseError("malformed %%include in %s" % source) |
| 423 | |
| 424 | alt_source = tokens[1].strip("\"") |
| 425 | if alt_source == source: |
| 426 | raise DataParseError("self-referential %%include in %s" |
| 427 | % source) |
| 428 | |
| 429 | new_dict = dict.copy() |
| 430 | if len(tokens) == 3: |
| 431 | new_dict.update(eval(tokens[2])) |
| 432 | #print " including src=%s dict=%s" % (alt_source, new_dict) |
| 433 | appendSourceFile(alt_source, new_dict, outfp, sister_list) |
| 434 | continue |
| 435 | |
| 436 | elif line.startswith("%default"): |
| 437 | # copy keywords into dictionary |
| 438 | tokens = line.strip().split(' ', 1) |
| 439 | if len(tokens) < 2: |
| 440 | raise DataParseError("malformed %%default in %s" % source) |
| 441 | defaultValues = eval(tokens[1]) |
| 442 | for entry in defaultValues: |
| 443 | dict.setdefault(entry, defaultValues[entry]) |
| 444 | continue |
| 445 | |
| 446 | elif line.startswith("%break") and sister_list != None: |
| 447 | # allow more than one %break, ignoring all following the first |
| 448 | if style == "computed-goto" and not in_sister: |
| 449 | in_sister = True |
| 450 | sister_list.append("\n/* continuation for %(opcode)s */\n"%dict) |
| 451 | continue |
| 452 | |
| 453 | # perform keyword substitution if a dictionary was provided |
| 454 | if dict != None: |
| 455 | templ = Template(line) |
| 456 | try: |
| 457 | subline = templ.substitute(dict) |
| 458 | except KeyError, err: |
| 459 | raise DataParseError("keyword substitution failed in %s: %s" |
| 460 | % (source, str(err))) |
| 461 | except: |
| 462 | print "ERROR: substitution failed: " + line |
| 463 | raise |
| 464 | else: |
| 465 | subline = line |
| 466 | |
| 467 | # write output to appropriate file |
| 468 | if in_sister: |
| 469 | sister_list.append(subline) |
| 470 | else: |
| 471 | outfp.write(subline) |
| 472 | outfp.write("\n") |
| 473 | infp.close() |
| 474 | |
| 475 | # |
| 476 | # Emit a C-style section header comment. |
| 477 | # |
| 478 | def emitSectionComment(str, fp): |
| 479 | equals = "========================================" \ |
| 480 | "===================================" |
| 481 | |
| 482 | fp.write("\n/*\n * %s\n * %s\n * %s\n */\n" % |
| 483 | (equals, str, equals)) |
| 484 | |
| 485 | |
| 486 | # |
| 487 | # =========================================================================== |
| 488 | # "main" code |
| 489 | # |
| 490 | |
| 491 | # |
| 492 | # Check args. |
| 493 | # |
| 494 | if len(sys.argv) != 3: |
| 495 | print "Usage: %s target-arch output-dir" % sys.argv[0] |
| 496 | sys.exit(2) |
| 497 | |
| 498 | target_arch = sys.argv[1] |
| 499 | output_dir = sys.argv[2] |
| 500 | |
| 501 | # |
| 502 | # Extract opcode list. |
| 503 | # |
| 504 | opcodes = getOpcodeList() |
| 505 | #for op in opcodes: |
| 506 | # print " %s" % op |
| 507 | |
| 508 | # |
| 509 | # Open config file. |
| 510 | # |
| 511 | try: |
| 512 | config_fp = open("config_%s" % target_arch) |
| 513 | except: |
| 514 | print "Unable to open config file 'config_%s'" % target_arch |
| 515 | sys.exit(1) |
| 516 | |
| 517 | # |
| 518 | # Open and prepare output files. |
| 519 | # |
| 520 | try: |
| 521 | asm_fp = open("%s/mterp_%s.S" % (output_dir, target_arch), "w") |
| 522 | except: |
| 523 | print "Unable to open output files" |
| 524 | print "Make sure directory '%s' exists and existing files are writable" \ |
| 525 | % output_dir |
| 526 | # Ideally we'd remove the files to avoid confusing "make", but if they |
| 527 | # failed to open we probably won't be able to remove them either. |
| 528 | sys.exit(1) |
| 529 | |
| 530 | print "Generating %s" % (asm_fp.name) |
| 531 | |
| 532 | file_header = """/* |
| 533 | * This file was generated automatically by gen-mterp.py for '%s'. |
| 534 | * |
| 535 | * --> DO NOT EDIT <-- |
| 536 | */ |
| 537 | |
| 538 | """ % (target_arch) |
| 539 | |
| 540 | asm_fp.write(file_header) |
| 541 | |
| 542 | # |
| 543 | # Process the config file. |
| 544 | # |
| 545 | failed = False |
| 546 | try: |
| 547 | for line in config_fp: |
| 548 | line = line.strip() # remove CRLF, leading spaces |
| 549 | tokens = line.split(' ') # tokenize |
| 550 | #print "%d: %s" % (len(tokens), tokens) |
| 551 | if len(tokens[0]) == 0: |
| 552 | #print " blank" |
| 553 | pass |
| 554 | elif tokens[0][0] == '#': |
| 555 | #print " comment" |
| 556 | pass |
| 557 | else: |
| 558 | if tokens[0] == "handler-size": |
| 559 | setHandlerSize(tokens) |
| 560 | elif tokens[0] == "import": |
| 561 | importFile(tokens) |
| 562 | elif tokens[0] == "asm-stub": |
| 563 | setAsmStub(tokens) |
| 564 | elif tokens[0] == "asm-alt-stub": |
| 565 | setAsmAltStub(tokens) |
| 566 | elif tokens[0] == "op-start": |
| 567 | opStart(tokens) |
| 568 | elif tokens[0] == "op-end": |
| 569 | opEnd(tokens) |
| 570 | elif tokens[0] == "alt": |
| 571 | altEntry(tokens) |
| 572 | elif tokens[0] == "op": |
| 573 | opEntry(tokens) |
| 574 | elif tokens[0] == "handler-style": |
| 575 | setHandlerStyle(tokens) |
| 576 | elif tokens[0] == "alt-ops": |
| 577 | genaltop(tokens) |
| 578 | elif tokens[0] == "split-ops": |
| 579 | splitops = True |
| 580 | elif tokens[0] == "fallback-stub": |
| 581 | setFallbackStub(tokens) |
| 582 | else: |
| 583 | raise DataParseError, "unrecognized command '%s'" % tokens[0] |
| 584 | if style == None: |
| 585 | print "tokens[0] = %s" % tokens[0] |
| 586 | raise DataParseError, "handler-style must be first command" |
| 587 | except DataParseError, err: |
| 588 | print "Failed: " + str(err) |
| 589 | # TODO: remove output files so "make" doesn't get confused |
| 590 | failed = True |
| 591 | asm_fp.close() |
| 592 | asm_fp = None |
| 593 | |
| 594 | config_fp.close() |
| 595 | |
| 596 | # |
| 597 | # Done! |
| 598 | # |
| 599 | if asm_fp: |
| 600 | asm_fp.close() |
| 601 | |
| 602 | sys.exit(failed) |