ca19e55f9a
stkcheck is flow-insensitive: It processes calls in PC order. Since morestack was always the first call in a function, it was a safe, conservative approximation to simply adjust stack space as we went, recognizing morestack when it showed up. Subsequent CLS will rearrange the function prologue; morestack may no longer be the first call in a function. Introducing flow-sensitivity to stkcheck would allow this, and possibly allow a smaller stackguard. It is also a high risk change and possibly expensive. Instead, assume that all calls to morestack occur as part of the function prologue, no matter where they are located in the program text. Updates #10587. Change-Id: I4dcdd4256a980fc4bc433a68a10989ff57f7034f Reviewed-on: https://go-review.googlesource.com/10496 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Russ Cox <rsc@golang.org> |
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The Go Programming Language
Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
For documentation about how to install and use Go, visit https://golang.org/ or load doc/install-source.html in your web browser.
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Binary Distribution Notes
If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell's path.
For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:
export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin
See https://golang.org/doc/install or doc/install.html for more details.