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The Go programming language
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David Crawshaw 12b990ba7d cmd/go, cmd/ld, runtime, os/user: TLS emulation for android 
Based on cl/69170045 by Elias Naur.

There are currently several schemes for acquiring a TLS
slot to save the g register. None of them appear to work
for android. The closest are linux and darwin.

Linux uses a linker TLS relocation. This is not supported
by the android linker.

Darwin uses a fixed offset, and calls pthread_key_create
until it gets the slot it wants. As the runtime loads
late in the android process lifecycle, after an
arbitrary number of other libraries, we cannot rely on
any particular slot being available.

So we call pthread_key_create, take the first slot we are
given, and put it in runtime.tlsg, which we turn into a
regular variable in cmd/ld.

Makes android/arm cgo binaries work.

LGTM=minux
R=elias.naur, minux, dave, josharian
CC=golang-codereviews
https://golang.org/cl/106380043
 		2014-07-03 16:14:34 -04:00
api syscall: regenerate z-files for darwin 2014-06-24 09:20:42 +09:00
doc doc/go1.4.txt: delete editor and shell support 2014-07-01 09:22:55 -07:00
include build: annotations and modifications for c2go 2014-07-02 15:41:29 -04:00
lib codereview: update name of the a+c tool 2014-07-01 09:25:34 -07:00
misc misc/nacl, syscall: lazily initialize fs on nacl. 2014-07-01 18:24:43 -04:00
src cmd/go, cmd/ld, runtime, os/user: TLS emulation for android 2014-07-03 16:14:34 -04:00
test cmd/8g: don't allocate a register early for cap(CHAN). 2014-07-01 09:20:51 +02:00
.hgignore lib9: enable on Plan 9 2014-02-13 20:06:41 +01:00
.hgtags tag go1.3 2014-06-19 11:21:35 +10:00
AUTHORS A+C: Timo Truyts (individual CLA) 2014-07-02 06:45:57 -07:00
CONTRIBUTORS A+C: Timo Truyts (individual CLA) 2014-07-02 06:45:57 -07:00
LICENSE doc: update licensing text one more time 2012-03-27 15:09:13 +11:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README README: Fix installation instructions 2013-11-20 13:47:37 -08:00
favicon.ico godoc: update favicon 2012-10-11 17:02:36 +11:00
robots.txt godoc: serve robots.txt raw 2011-02-19 05:46:20 +11:00

README 

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.