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Issue 636933004: stop building/testing old x86 validator. (Closed) Base URL: svn://svn.chromium.org/native_client/trunk/src/native_client
Patch Set: rebase master Created 6 years, 2 months ago
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1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2 <html> 2 <html>
3 <head> 3 <head>
4 <meta name="generator" content= 4 <meta name="generator" content=
5 "HTML Tidy for Linux (vers 25 March 2009), see www.w3.org"> 5 "HTML Tidy for Linux (vers 25 March 2009), see www.w3.org">
6 <title>RDFA testing</title> 6 <title>RDFA testing</title>
7 7
8 <style type="text/css"> 8 <style type="text/css">
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10 </style> 10 </style>
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295 restricted register). So we have to ensure that specification and 295 restricted register). So we have to ensure that specification and
296 RDFA validator agree on instruction pre- and post- 296 RDFA validator agree on instruction pre- and post-
297 conditions.</span></p> 297 conditions.</span></p>
298 <p class="c0 c2"></p> 298 <p class="c0 c2"></p>
299 <p class="c0"><span>Also, just as in exhaustive decoder test, we 299 <p class="c0"><span>Also, just as in exhaustive decoder test, we
300 actually do not try all possible values for &lsquo;anybytes&rsquo; 300 actually do not try all possible values for &lsquo;anybytes&rsquo;
301 (and direct jump targets fall into this category). Anyway, checking 301 (and direct jump targets fall into this category). Anyway, checking
302 jump targets logic is not the goal of this test (we rely on 302 jump targets logic is not the goal of this test (we rely on
303 manually written targeted tests for jumps instead).</span></p> 303 manually written targeted tests for jumps instead).</span></p>
304 <p class="c0 c2"></p> 304 <p class="c0 c2"></p>
305 <p class="c0"><span>There is similar test in
306 validator_ragel/verify_regular_instruction_old.py. Instead of
307 comparing against text-based specification, it compares against old
308 validator (and additionally objdump is used to check that
309 instruction length is determined correctly). Hopefully we will be
310 able to get rid of it soon.</span></p>
311 <p class="c0 c2"></p>
312 <p class="c0"><span>How to run:</span></p> 305 <p class="c0"><span>How to run:</span></p>
313 <p class="c0"><span>&nbsp; ./scons dfacheckvalidator 306 <p class="c0"><span>&nbsp; ./scons dfacheckvalidator
314 platform=x86-64</span></p> 307 platform=x86-64</span></p>
315 <p class="c0"><span>This test requires ragel and takes a lot of 308 <p class="c0"><span>This test requires ragel and takes a lot of
316 time, so it can only be run on linux. It uses python interface to 309 time, so it can only be run on linux. It uses python interface to
317 validator (implemented as DSO), so supplied value of 310 validator (implemented as DSO), so supplied value of
318 &lsquo;platform&rsquo; parameter should match python bitness. 311 &lsquo;platform&rsquo; parameter should match python bitness.
319 Additionally, since it uses both 32-bit and 64-bit ncvals, 312 Additionally, since it uses both 32-bit and 64-bit ncvals,
320 following commands should be run before manually:</span></p> 313 following commands should be run before manually:</span></p>
321 <p class="c0"><span>&nbsp; ./scons ncval platform=x86-32</span></p> 314 <p class="c0"><span>&nbsp; ./scons ncval platform=x86-32</span></p>
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408 <li class="c1 c0"><span>when files that can affect generated 401 <li class="c1 c0"><span>when files that can affect generated
409 validator files are updated, it reminds developer to run ./scons 402 validator files are updated, it reminds developer to run ./scons
410 dfagen to regenerate these files</span></li> 403 dfagen to regenerate these files</span></li>
411 <li class="c1 c0"><span>when files that determine validator 404 <li class="c1 c0"><span>when files that determine validator
412 behavior (including generated files) are changed, it reminds 405 behavior (including generated files) are changed, it reminds
413 developer to run ./scons dfacheckvalidator (because it can be only 406 developer to run ./scons dfacheckvalidator (because it can be only
414 run locally)</span></li> 407 run locally)</span></li>
415 </ol> 408 </ol>
416 </body> 409 </body>
417 </html> 410 </html>
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