diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/contribute.html | 7 | ||||
| -rw-r--r-- | doc/diagnostics.html | 2 | ||||
| -rw-r--r-- | doc/go1.16.html | 153 | ||||
| -rw-r--r-- | doc/install-source.html | 11 |
4 files changed, 153 insertions, 20 deletions
diff --git a/doc/contribute.html b/doc/contribute.html index 3fb617b863..09d43313ff 100644 --- a/doc/contribute.html +++ b/doc/contribute.html @@ -806,10 +806,9 @@ tracker will automatically mark the issue as fixed. <p> If the change is a partial step towards the resolution of the issue, -uses the notation "Updates #12345". -This will leave a comment in the issue -linking back to the change in Gerrit, but it will not close the issue -when the change is applied. +write "Updates #12345" instead. +This will leave a comment in the issue linking back to the change in +Gerrit, but it will not close the issue when the change is applied. </p> <p> diff --git a/doc/diagnostics.html b/doc/diagnostics.html index 478611c15c..f9368886c4 100644 --- a/doc/diagnostics.html +++ b/doc/diagnostics.html @@ -454,6 +454,8 @@ environmental variable is set accordingly.</p> <li>GODEBUG=gctrace=1 prints garbage collector events at each collection, summarizing the amount of memory collected and the length of the pause.</li> +<li>GODEBUG=inittrace=1 prints a summary of execution time and memory allocation +information for completed package initilization work.</li> <li>GODEBUG=schedtrace=X prints scheduling events every X milliseconds.</li> </ul> diff --git a/doc/go1.16.html b/doc/go1.16.html index 2ecf7db7c7..ba2f80f95e 100644 --- a/doc/go1.16.html +++ b/doc/go1.16.html @@ -31,8 +31,22 @@ Do not send CLs removing the interior tags from such phrases. <h2 id="ports">Ports</h2> -<p> - TODO +<h3 id="netbsd">NetBSD</h3> + +<p><!-- golang.org/issue/30824 --> + Go now supports the 64-bit ARM architecture on NetBSD (the + <code>netbsd/arm64</code> port). +</p> + +<h3 id="386">386</h3> + +<p><!-- golang.org/issue/40255, golang.org/issue/41848, CL 258957, and CL 260017 --> + As <a href="go1.15#386">announced</a> in the Go 1.15 release notes, + Go 1.16 drops support for x87 mode compilation (<code>GO386=387</code>). + Support for non-SSE2 processors is now available using soft float + mode (<code>GO386=softfloat</code>). + Users running on non-SSE2 processors should replace <code>GO386=387</code> + with <code>GO386=softfloat</code>. </p> <h2 id="tools">Tools</h2> @@ -87,12 +101,13 @@ Do not send CLs removing the interior tags from such phrases. <p><!-- golang.org/issue/37519 --> The <code>go</code> <code>get</code> <code>-insecure</code> flag is - deprecated and will be removed in a future version. The <code>GOINSECURE</code> - environment variable should be used instead, since it provides control - over which modules may be retrieved using an insecure scheme. Unlike the - <code>-insecure</code> flag, <code>GOINSECURE</code> does not disable module - sum validation using the checksum database. The <code>GOPRIVATE</code> or - <code>GONOSUMDB</code> environment variables may be used instead. + deprecated and will be removed in a future version. This flag permits + fetching from repositories and resolving custom domains using insecure + schemes such as HTTP, and also bypassess module sum validation using the + checksum database. To permit the use of insecure schemes, use the + <code>GOINSECURE</code> environment variable instead. To bypass module + sum validation, use <code>GOPRIVATE</code> or <code>GONOSUMDB</code>. + See <code>go</code> <code>help</code> <code>environment</code> for details. </p> <h4 id="all-pattern">The <code>all</code> pattern</h4> @@ -107,6 +122,25 @@ Do not send CLs removing the interior tags from such phrases. by <code>go</code> <code>mod</code> <code>vendor</code> since Go 1.11. </p> +<h4 id="toolexec">The <code>-toolexec</code> build flag</h4> + +<p><!-- golang.org/cl/263357 --> + When the <code>-toolexec</code> build flag is specified to use a program when + invoking toolchain programs like compile or asm, the environment variable + <code>TOOLEXEC_IMPORTPATH</code> is now set to the import path of the package + being built. +</p> + +<h4 id="list-buildid">The <code>list</code> command</h4> + +<p><!-- golang.org/cl/263542 --> + When the <code>-export</code> flag is specified, the <code>BuildID</code> + field is now set to the build ID of the compiled package. This is equivalent + to running <code>go</code> <code>tool</code> <code>buildid</code> on + <code>go</code> <code>list</code> <code>-exported</code> <code>-f</code> <code>{{.Export}</code>, + but without the extra step. +</p> + <h3 id="cgo">Cgo</h3> <p> <!-- CL 252378 --> @@ -158,13 +192,26 @@ Do not send CLs removing the interior tags from such phrases. TODO: update with final numbers later in the release. </p> +<p> <!-- CL 255259 --> + On Windows, <code>go build -buildmode=c-shared</code> now generates Windows + ASLR DLLs by default. ASLR can be disabled with <code>--ldflags=-aslr=false</code>. +</p> + <h2 id="library">Core library</h2> <p> TODO </p> -<h3 id="ctypto/tls"><a href="/pkg/crypto/tls">crypto/tls</a></h3> +<h3 id="crypto/hmac"><a href="/pkg/crypto/hmac">crypto/hmac</a></h3> + +<p><!-- CL 261960 --> + <a href="/pkg/crypto/hmac/#New">New</a> will now panic if separate calls to + the hash generation function fail to return new values. Previously, the + behavior was undefined and invalid outputs were sometimes generated. +</p> + +<h3 id="crypto/tls"><a href="/pkg/crypto/tls">crypto/tls</a></h3> <p><!-- CL 256897 --> I/O operations on closing or closed TLS connections can now be detected using @@ -184,6 +231,21 @@ Do not send CLs removing the interior tags from such phrases. contain strings with characters within the ASCII range. </p> +<p><!-- CL 259697 --> + <a href="/pkg/crypto/x509/#CreateCertificate">CreateCertificate</a> now + verifies the generated certificate's signature using the signer's + public key. If the signature is invalid, an error is returned, instead + of a malformed certificate. +</p> + +<h3 id="encoding/json"><a href="/pkg/encoding/json">encoding/json</a></h3> + +<p><!-- CL 263619 --> + The error message for + <a href="/pkg/encoding/json/#SyntaxError">SyntaxError</a> + now begins with "json: ", matching the other errors in the package. +</p> + <h3 id="net"><a href="/pkg/net/">net</a></h3> <p><!-- CL 250357 --> @@ -196,6 +258,20 @@ Do not send CLs removing the interior tags from such phrases. with <code>"use of closed network connection"</code>. </p> +<p><!-- CL 255898 --> + In previous Go releases the default TCP listener backlog size on Linux systems, + set by <code>/proc/sys/net/core/somaxconn</code>, was limited to a maximum of <code>65535</code>. + On Linux kernel version 4.1 and above, the maximum is now <code>4294967295</code>. +</p> + +<h3 id="reflect"><a href="/pkg/reflect/">reflect</a></h3> + +<p><!-- CL 259237, golang.org/issue/22075 --> + For interface types and values, <a href="/pkg/reflect/#Value.Method">Method</a>, + <a href="/pkg/reflect/#Value.MethodByName">MethodByName</a>, and + <a href="/pkg/reflect/#Value.NumMethod">NumMethod</a> now + operate on the interface's exported method set, rather than its full method set. +</p> <h3 id="text/template/parse"><a href="/pkg/text/template/parse/">text/template/parse</a></h3> @@ -229,6 +305,39 @@ Do not send CLs removing the interior tags from such phrases. TODO </p> +<dl id="crypto/dsa"><dt><a href="/pkg/crypto/dsa/">crypto/dsa</a></dt> + <dd> + <p><!-- CL 257939 --> + The <a href="/pkg/crypto/dsa/"><code>crypto/dsa</code></a> package is now deprecated. + See <a href="https://golang.org/issue/40337">issue #40337</a>. + </p> + </dd> +</dl><!-- crypto/dsa --> + +<dl id="crypto/x509"><dt><a href="/pkg/crypto/x509/">crypto/x509</a></dt> + <dd> + <p><!-- CL 257939 --> + DSA signature verification is no longer supported. Note that DSA signature + generation was never supported. + See <a href="https://golang.org/issue/40337">issue #40337</a>. + </p> + </dd> +</dl><!-- crypto/x509 --> + +<dl id="encoding/xml"><dt><a href="/pkg/encoding/xml/">encoding/xml</a></dt> + <dd> + <p><!-- CL 264024 --> + The encoder has always taken care to avoid using namespace prefixes + beginning with <code>xml</code>, which are reserved by the XML + specification. + Now, following the specification more closely, that check is + case-insensitive, so that prefixes beginning + with <code>XML</code>, <code>XmL</code>, and so on are also + avoided. + </p> + </dd> +</dl><!-- encoding/xml --> + <dl id="net/http"><dt><a href="/pkg/net/http/">net/http</a></dt> <dd> <p><!-- CL 233637 --> @@ -250,5 +359,31 @@ Do not send CLs removing the interior tags from such phrases. of the form <code>"Range": "bytes=--N"</code> where <code>"-N"</code> is a negative suffix length, for example <code>"Range": "bytes=--2"</code>. It now replies with a <code>416 "Range Not Satisfiable"</code> response. </p> + + <p><!-- CL 256498, golang.org/issue/36990 --> + Cookies set with <code>SameSiteDefaultMode</code> now behave according to the current + spec (no attribute is set) instead of generating a SameSite key without a value. + </p> </dd> </dl><!-- net/http --> + +<dl id="runtime/debug"><dt><a href="/pkg/runtime/debug/">runtime/debug</a></dt> + <dd> + <p><!-- CL 249677 --> + TODO: <a href="https://golang.org/cl/249677">https://golang.org/cl/249677</a>: provide Addr method for errors from SetPanicOnFault + </p> + </dd> +</dl><!-- runtime/debug --> + +<dl id="strconv"><dt><a href="/pkg/strconv/">strconv</a></dt> + <dd> + <p><!-- CL 260858 --> + <a href="/pkg/strconv/#ParseFloat"><code>ParseFloat</code></a> now uses + the <a + href="https://nigeltao.github.io/blog/2020/eisel-lemire.html">Eisel-Lemire + algorithm</a>, improving performance by up to a factor of 2. This can + also speed up decoding textual formats like <a + href="/pkg/encoding/json/"><code>encoding/json</code></a>. + </p> + </dd> +</dl><!-- strconv --> diff --git a/doc/install-source.html b/doc/install-source.html index 86a4644c0c..c6dc3aed43 100644 --- a/doc/install-source.html +++ b/doc/install-source.html @@ -666,16 +666,13 @@ For example, you should not set <code>$GOHOSTARCH</code> to <code>arm</code> on an x86 system. </p> -<li><code>$GO386</code> (for <code>386</code> only, default is auto-detected -if built on either <code>386</code> or <code>amd64</code>, <code>387</code> otherwise) +<li><code>$GO386</code> (for <code>386</code> only, defaults to <code>sse2</code>) <p> -This controls the code generated by gc to use either the 387 floating-point unit -(set to <code>387</code>) or SSE2 instructions (set to <code>sse2</code>) for -floating point computations. +This variable controls how gc implements floating point computations. </p> <ul> - <li><code>GO386=387</code>: use x87 for floating point operations; should support all x86 chips (Pentium MMX or later).</li> - <li><code>GO386=sse2</code>: use SSE2 for floating point operations; has better performance than 387, but only available on Pentium 4/Opteron/Athlon 64 or later.</li> + <li><code>GO386=softfloat</code>: use software floating point operations; should support all x86 chips (Pentium MMX or later).</li> + <li><code>GO386=sse2</code>: use SSE2 for floating point operations; has better performance but only available on Pentium 4/Opteron/Athlon 64 or later.</li> </ul> </li> |