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The Go programming language
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c8dcaeb25d
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Russ Cox c8dcaeb25d cmd/ld, runtime: adjust symbol table representation 
This CL changes the encoding used for the Go symbol table,
stored in the binary and used at run time. It does not change
any of the semantics or structure: the bits are just packed
a little differently.

The comment at the top of runtime/symtab.c describes the new format.

Compared to the Go 1.0 format, the main changes are:

* Store symbol addresses as full-pointer-sized host-endian values.
  (For 6g, this means addresses are 64-bit little-endian.)

* Store other values (frame sizes and so on) varint-encoded.

The second change more than compensates for the first:
for the godoc binary on OS X/amd64, the new symbol table
is 8% smaller than the old symbol table (1,425,668 down from 1,546,276).

This is a required step for allowing the host linker (gcc) to write
the final Go binary, since it will have to fill in the symbol address slots
(so the slots must be host-endian) and on 64-bit systems it may
choose addresses above 4 GB.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/7403054
2013-02-26 22:38:14 -05:00
api api: refresh next.txt 2013-02-15 16:33:14 -05:00
doc doc: document that weekly.html is only a historical reference 2013-02-26 09:23:34 +11:00
include build: clang support 2013-02-15 13:37:43 -08:00
lib cmd/godoc: add support for display Notes parsed by pkg/go/doc 2013-02-25 20:34:09 -08:00
misc misc/emacs: Greatly improve go-mode for Emacs. 2013-02-26 13:48:32 -05:00
src cmd/ld, runtime: adjust symbol table representation 2013-02-26 22:38:14 -05:00
test cmd/gc: accept cases with same value but different types in switch. 2013-02-26 00:45:43 +01:00
.hgignore build: update Makefile to track source code dependencies better 2012-03-13 03:31:11 +08:00
.hgtags tag go1.0.3 2012-09-24 13:15:33 -05:00
AUTHORS A+C: Dominik Honnef (individual CLA) 2013-02-26 10:27:02 -08:00
CONTRIBUTORS A+C: Dominik Honnef (individual CLA) 2013-02-26 10:27:02 -08:00
favicon.ico godoc: update favicon 2012-10-11 17:02:36 +11:00
LICENSE doc: update licensing text one more time 2012-03-27 15:09:13 +11:00
PATENTS
README
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.html in your web browser.

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

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.