1 {{+bindTo:partials.standard_nacl_article}} 2 3 <section id="design-documents"> 4 <h1 id="design-documents">Design Documents</h1> 5 <p>This is a list of design documents for Native Client. This list 6 generally covers designs that were implemented. It does not cover 7 PPAPI (Pepper).</p> 8 <p>Dynamic loading and linking:</p> 9 <ul class="small-gap"> 10 <li><a class="reference external" href="http://code.google.com/p/nativeclient/wiki/DynamicLoadingOptions">Dynamic loading: Options for supporting dynamic loading, and how they interact with dynamic libraries</a> (2010)</li> 11 </ul> 12 <p>Handling faults (hardware exceptions) in untrusted code:</p> 13 <ul class="small-gap"> 14 <li><a class="reference external" href="https://docs.google.com/a/chromium.org/document/d/1T2KQitbOBz_ALQtr4ONcZcSNCIKNla3DI7t6dMcx5AE/edit">NaCl untrusted fault handling: guide to the implementation</a></li> 15 </ul> 16 <p>Sandbox security on Windows:</p> 17 <ul class="small-gap"> 18 <li><a class="reference external" href="https://src.chromium.org/viewvc/native_client/trunk/src/native_client/documentation/windows_ntdll_patch.txt?revision=HEAD">Native Client’s NTDLL patch on x86-64 Windows</a> (2012)</li> 19 </ul> 20 <p>Debugging using GDB:</p> 21 <ul class="small-gap"> 22 <li><a class="reference external" href="https://docs.google.com/a/chromium.org/document/d/1OtVmgJFC7X7aa57DnyiL4V10vAVax_vcRJp4Mw86lIU/edit">Providing a GDB debug stub integrated into native_client</a> (2012). This was the main design doc for NaCl’s GDB debug stub.</li> 23 <li><a class="reference external" href="https://docs.google.com/a/google.com/document/d/1tu2FEA4EKhBH669iUgRZBDBcEd6jzNQ-0OVn9JI4_qk/edit">Native Client Support for Debugging, Crash Reporting and Hardware Exception Handling – high level design</a> (Jan 2012)</li> 24 <li><a class="reference external" href="https://docs.google.com/a/chromium.org/document/d/19qkl5R4lg-AIDf648Ml-gLRq6eZscjvvdMNWkVu2wLk/edit">NaCl: three kinds of crash handling</a> (2012). This is an earlier document. It contains notes on trusted vs. untrusted crash handling, vs. GDB support.</li> 25 </ul> 26 <p>PNaCl:</p> 27 <ul class="small-gap"> 28 <li><a class="reference external" href="https://docs.google.com/a/google.com/document/d/1xUlWyXnaRnIUBnmKdOBkgq2O9OqfvaRBLaz82pNdKt0/edit">Stability of the PNaCl bitcode ABI</a> (2013). This is an overview of ABI stability issues and the features of LLVM IR that PNaCl is removing.</li> 29 <li><a class="reference external" href="https://docs.google.com/a/chromium.org/document/d/1HvZJVwS9KeTc0jUvoQjbLapRbStHk3mZ0rPDUHNN96Y/edit">Incrementally simplifying the PNaCl bitcode format</a> (2013)</li> 30 <li><a class="reference external" href="https://docs.google.com/a/chromium.org/document/d/1Bub1bV_IIDZDhdld-zTULE2Sv0KNbOXk33KOW8o0aR4/edit">SJLJ EH: C++ exception handling in PNaCl using setjmp()+longjmp()</a> (2013)</li> 31 </ul> 32 <p>Security hardening:</p> 33 <ul class="small-gap"> 34 <li><a class="reference external" href="https://docs.google.com/a/chromium.org/document/d/1eskaI4353XdsJQFJLRnZzb_YIESQx4gNRzf31dqXVG8/edit">Hiding PNaCl’s x86-64 sandbox base address</a> (2013). This was part of the security hardening we did for enabling PNaCl on the open web.</li> 35 </ul> 36 <p>MIPS support:</p> 37 <ul class="small-gap"> 38 <li><a class="reference external" href="https://code.google.com/p/nativeclient/issues/attachmentText?id=2275&aid=22750018000&name=native-client-mips-0.4.txt">Design for the NaCl MIPS sandbox</a> (2012)</li> 39 </ul> 40 <p>Cleanup work:</p> 41 <ul class="small-gap"> 42 <li><a class="reference external" href="https://docs.google.com/a/chromium.org/document/d/1lycqf4yPMC84011yvuyO_50V8c8COQ8dAe5rNvbeB9o/edit">Removing NaCl’s dependency on Chromium</a> (2012)</li> 43 </ul> 44 <p>DEPS rolls:</p> 45 <ul class="small-gap"> 46 <li><a class="reference external" href="https://docs.google.com/a/chromium.org/document/d/1jHoLo9I3CCS1_-4KlIq1OiEMv9cmMuXES2Z9JVpmPtY/edit">Semi-automated NaCl DEPS rolls: Updates to nacl_revision field in Chromium’s DEPS file</a> (2013). This is a description of current practice rather than a design doc.</li> 47 </ul> 48 <h2 id="obsolete-not-implemented">Obsolete (not implemented)</h2> 49 <p>PNaCl multi-threading support: The following proposals do not reflect what was implemented in PNaCl in the end. They are listed here for historical reference.</p> 50 <ul class="small-gap"> 51 <li><a class="reference external" href="https://docs.google.com/a/chromium.org/document/d/1HcRiGOaaPLk7pQrGnjXceoM7Px3IwOjjwdiVvJVQNr4/edit">Multi-threading support for a first release of PNaCl</a> (2013): Proposal for mutex_v2/cond_v2 IRT interfaces.</li> 52 <li><a class="reference external" href="https://docs.google.com/a/chromium.org/document/d/1HcRiGOaaPLk7pQrGnjXceoM7Px3IwOjjwdiVvJVQNr4/edit">Explicit vs. implicit atomicity guarantees in PNaCl</a> (2013): Discussion about how to handle atomic memory operations.</li> 53 </ul> 54 </section> 55 56 {{/partials.standard_nacl_article}} 57
