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| author | Shenghou Ma <minux@golang.org> | 2014-07-10 15:15:32 -0400 |
|---|---|---|
| committer | Shenghou Ma <minux@golang.org> | 2014-07-10 15:15:32 -0400 |
| commit | a4ddee05dbe79e369e561d64f65e71d40ca55882 (patch) | |
| tree | 5e5c11cd95a140b3842d0b378a028b95bb54ab9d | |
| parent | 4fc3c54e58798b32c225b5ad697280cf1a582ae0 (diff) | |
| download | go-a4ddee05dbe79e369e561d64f65e71d40ca55882.tar.gz | |
misc/nacl: add go_nacl_arm_exec, update README
LGTM=dave, rsc
R=rsc, iant, dave
CC=golang-codereviews
https://codereview.appspot.com/109390043
| -rw-r--r-- | misc/nacl/README | 10 | ||||
| -rwxr-xr-x | misc/nacl/go_nacl_arm_exec | 10 |
2 files changed, 17 insertions, 3 deletions
diff --git a/misc/nacl/README b/misc/nacl/README index 9cc2bda60..710587dfc 100644 --- a/misc/nacl/README +++ b/misc/nacl/README @@ -3,10 +3,11 @@ Native Client This document outlines the basics of building and developing the Go runtime and programs in the Native Client (NaCl) environment. -Go 1.3 supports two architectures +Go 1.3 supports three architectures * nacl/386 which is standard 386. * nacl/amd64p32 which is a 64 bit architecture, where the address space is limited to a 4gb window. + * nacl/arm which is 32-bit ARMv7A architecture with 1GB address space. For background it is recommended that you read http://golang.org/s/go13nacl. @@ -28,12 +29,14 @@ The zip file contains a small skeleton that can be used to download the correct % cd /opt/nacl_sdk % ./naclsdk update -At this time pepper_33 is the stable version. If naclsdk downloads a later version, please adjust accordingly. +At this time pepper_33 is the stable version. If naclsdk downloads a later version, please adjust accordingly. As of June 2014, only the canary sdk provides support for nacl/arm. -The cmd/go helper scripts expect that the runtime loaders, sel_ldr_x86_{32,64} are in your path. I find it easiest to make a symlink from the NaCl distribution to my $GOPATH/bin directory. +The cmd/go helper scripts expect that the runtime loaders, sel_ldr_{x86_{32,64},arm} and nacl_helper_bootstrap_arm are in your path. I find it easiest to make a symlink from the NaCl distribution to my $GOPATH/bin directory. % ln -nfs /opt/nacl_sdk/pepper_33/tools/sel_ldr_x86_32 $GOPATH/bin/sel_ldr_x86_32 % ln -nfs /opt/nacl_sdk/pepper_33/tools/sel_ldr_x86_64 $GOPATH/bin/sel_ldr_x86_64 + % ln -nfs /opt/nacl_sdk/pepper_canary/tools/sel_ldr_arm $GOPATH/bin/sel_ldr_arm + % ln -nfs /opt/nacl_sdk/pepper_canary/tools/nacl_helper_bootstrap_arm $GOPATH/bin/nacl_helper_bootstrap_arm # only required for NaCl/ARM. Support scripts --------------- @@ -42,6 +45,7 @@ Symlink the two scripts in this directory into your $PATH, just as you did with % ln -nfs $GOROOT/go/misc/nacl/go_nacl_amd64p32_exec $GOPATH/bin/go_nacl_amd64p32_exec % ln -nfs $GOROOT/go/misc/nacl/go_nacl_386_exec $GOPATH/bin/go_nacl_386_exec + % ln -nfs $GOROOT/go/misc/nacl/go_nacl_arm_exec $GOPATH/bin/go_nacl_arm_exec Building and testing -------------------- diff --git a/misc/nacl/go_nacl_arm_exec b/misc/nacl/go_nacl_arm_exec new file mode 100755 index 000000000..4275cb111 --- /dev/null +++ b/misc/nacl/go_nacl_arm_exec @@ -0,0 +1,10 @@ +#!/bin/bash + +eval $(go env) + +export NACLENV_GOARCH=$GOARCH +export NACLENV_GOOS=$GOOS +export NACLENV_GOROOT=/go +export NACLENV_NACLPWD=$(pwd | sed "s;$GOROOT;/go;") + +exec nacl_helper_bootstrap_arm $(which sel_ldr_arm) --reserved_at_zero=0xXXXXXXXXXXXXXXXX -l /dev/null -S -e "$@" |