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Russ Cox 8473695797 runtime: fix panic/wrapper/recover math
The gp->panicwrap adjustment is just fatally flawed.
Now that there is a Panic.argp field, update that instead.
That can be done on entry only, so that unwinding doesn't
need to worry about undoing anything. The wrappers
emit a few more instructions in the prologue but everything
else in the system gets much simpler.

It also fixes (without trying) a broken test I never checked in.

Fixes #7491.

LGTM=khr
R=khr
CC=dvyukov, golang-codereviews, iant, r
https://golang.org/cl/135490044
2014-09-06 13:19:08 -04:00
api unicode: strconv: regexp: Upgrade to Unicode 7.0.0. 2014-08-18 20:26:10 +02:00
doc spec: Add link to rune literals from string literals when talking about escape sequences. 2014-09-03 10:44:33 -07:00
include cmd/ld: diagnose Go calling C 2014-08-31 22:49:14 -04:00
lib codereview: do not hit upload_complete on first patch 2014-08-06 16:12:24 -04:00
misc runtime: get rid of other Go->C calls in test exports. 2014-09-06 10:07:23 -07:00
src runtime: fix panic/wrapper/recover math 2014-09-06 13:19:08 -04:00
test runtime: fix panic/wrapper/recover math 2014-09-06 13:19:08 -04:00
.hgignore lib9: enable on Plan 9 2014-02-13 20:06:41 +01:00
.hgtags tag go1.3.1 2014-08-13 14:54:54 +10:00
AUTHORS A+C: David Leon Gil (individual CLA) 2014-09-02 12:22:57 -07:00
CONTRIBUTORS A+C: David Leon Gil (individual CLA) 2014-09-02 12:22:57 -07:00
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README README: Fix installation instructions 2013-11-20 13:47:37 -08:00
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This is the source code repository for the Go programming language.  

For documentation about how to install and use Go,
visit http://golang.org/ or load doc/install-source.html
in your web browser.

After installing Go, you can view a nicely formatted
doc/install-source.html by running godoc --http=:6060
and then visiting http://localhost:6060/doc/install/source.

Unless otherwise noted, the Go source files are distributed
under the BSD-style license found in the LICENSE file.

--

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 README).  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.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 doc/install.html for more details.