Richard Sandiford <richard.sandif...@arm.com> writes: > Group the ThreadSanitizer and HardwareAssistedAddressSanitizer > changes under a single top-level bullet point. This makes it > easier to add a third sanitiser-related change. > > No (intended) change to the actual text or wording. (TBH I don't > understand the ThreadSanitizer bit: is it describing three changes > (KCSAN + two new options), four changes (other environments), > or one big inter-related change?) > > OK to install?
Err, scratch that. Clearly I've not had tea this morning, and forgot which version we're about to release :-) Richard > > Richard > > --- > htdocs/gcc-11/changes.html | 63 ++++++++++++++++++++++---------------- > 1 file changed, 36 insertions(+), 27 deletions(-) > > diff --git a/htdocs/gcc-11/changes.html b/htdocs/gcc-11/changes.html > index 8e6d4ec8..cc3ae989 100644 > --- a/htdocs/gcc-11/changes.html > +++ b/htdocs/gcc-11/changes.html > @@ -69,18 +69,6 @@ You may also want to check out our > <h2 id="general">General Improvements</h2> > > <ul> > - <li> > - <a > href="https://github.com/google/sanitizers/wiki/ThreadSanitizerCppManual";> > - ThreadSanitizer</a> improvements to support alternative runtimes and > - environments. The <a > href="https://www.kernel.org/doc/html/latest/dev-tools/kcsan.html";> > - Linux Kernel Concurrency Sanitizer (KCSAN)</a> is now supported. > - <ul> > - <li>Add <code>--param tsan-distinguish-volatile</code> to optionally > emit > - instrumentation distinguishing volatile accesses.</li> > - <li>Add <code>--param tsan-instrument-func-entry-exit</code> to > optionally > - control if function entries and exits should be instrumented.</li> > - </ul> > - </li> > <li> > <p> > In previous releases of GCC, the "column numbers" emitted in > diagnostics > @@ -121,22 +109,43 @@ You may also want to check out our > </p> > </li> > <li> > - <p> > - Introduce <a > href="https://clang.llvm.org/docs/HardwareAssistedAddressSanitizerDesign.html";> > - Hardware-assisted AddressSanitizer</a> support. This sanitizer > currently > - only works for the AArch64 target. It helps debug address problems > - similarly to > - <a href="https://github.com/google/sanitizers/wiki/AddressSanitizer";> > - AddressSanitizer</a> but is based on partial hardware assistance and > - provides probabilistic protection to use less RAM at run time. > - <a > href="https://clang.llvm.org/docs/HardwareAssistedAddressSanitizerDesign.html";> > - Hardware-assisted AddressSanitizer</a> is not production-ready for user > - space, and is provided mainly for use compiling the Linux Kernel. > - </p> > - To use this sanitizer the command line arguments are: > + Sanitizer improvements: > <ul> > - <li><code>-fsanitize=hwaddress</code> to instrument userspace > code.</li> > - <li><code>-fsanitize=kernel-hwaddress</code> to instrument kernel > code.</li> > + <li> > + <a > href="https://github.com/google/sanitizers/wiki/ThreadSanitizerCppManual";> > + ThreadSanitizer</a> improvements to support alternative runtimes > + and environments. The > + <a href="https://www.kernel.org/doc/html/latest/dev-tools/kcsan.html";> > + Linux Kernel Concurrency Sanitizer (KCSAN)</a> is now supported. > + <ul> > + <li>Add <code>--param tsan-distinguish-volatile</code> to optionally > + emit instrumentation distinguishing volatile accesses.</li> > + <li>Add <code>--param tsan-instrument-func-entry-exit</code> to > + optionally control if function entries and exits should be > + instrumented.</li> > + </ul> > + </li> > + <li> > + <p> > + Introduce <a > href="https://clang.llvm.org/docs/HardwareAssistedAddressSanitizerDesign.html";> > + Hardware-assisted AddressSanitizer</a> support. This sanitizer > currently > + only works for the AArch64 target. It helps debug address problems > + similarly to > + <a href="https://github.com/google/sanitizers/wiki/AddressSanitizer";> > + AddressSanitizer</a> but is based on partial hardware assistance and > + provides probabilistic protection to use less RAM at run time. > + <a > href="https://clang.llvm.org/docs/HardwareAssistedAddressSanitizerDesign.html";> > + Hardware-assisted AddressSanitizer</a> is not production-ready for > user > + space, and is provided mainly for use compiling the Linux Kernel. > + </p> > + <p> > + To use this sanitizer the command line arguments are: > + <ul> > + <li><code>-fsanitize=hwaddress</code> to instrument userspace > code.</li> > + <li><code>-fsanitize=kernel-hwaddress</code> to instrument kernel > code.</li> > + </ul> > + </p> > + </li> > </ul> > </li> > <li>
