misc: remove misc/arm/a script

This appears to be a very old wrapper around adb for testing on
Android before we had the go_android_exec wrapper.

Change-Id: I847bb15c98febbcffc063f00719a084e5c99a18b
Reviewed-on: https://go-review.googlesource.com/c/go/+/493604
Run-TryBot: Austin Clements <austin@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>

diff --git a/misc/arm/a b/misc/arm/a
deleted file mode 100755 (executable)
index 644e775..0000000
--- a/misc/arm/a
+++ /dev/null
@@ -1,58 +0,0 @@
-#!/usr/bin/env bash
-
-# Copyright 2010 The Go Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style
-# license that can be found in the LICENSE file.
-
-# This is a small script for executing go binaries on the android platform.
-#
-# example:
-# ./a 5.out foo bar baz
-#
-# The script exports the local values of GOARCH, GOTRACEBACK and GOGC
-# to the android environment.
-#
-# Known issues:
-# The script fails unless the last character output by the program is "\n"
-#
-# TODO(kaib): add gdb bridge support
-
-exp ()
-{
-       if [ ${!1} ]; then
-               echo "export $1=\"${!1}\"; "
-       fi
-}
-
-# adb does not correctly return the exit value of the executed program. use this
-# wrapper to manually extract the exit value
-rloc=/data/local/tmp/retval
-rsize=$(adb shell "ls -l $rloc"|tr -s ' '|cut -d' ' -f4)
-rcheck=38
-if [ "$rsize" != "$rcheck" ]; then
-#      echo "debug: retval size incorrect want $rcheck, got $rsize. uploading"
-       echo  >/tmp/adb.retval '#!/system/bin/sh
-"$@"
-echo RETVAL: $?' 
-       adb push /tmp/adb.retval $rloc >/dev/null 2>&1
-       adb shell chmod 755 $rloc
-fi
-
-# run the main binary
-if [ "-g" == "$1" ]; then
-       adb forward tcp:$2 tcp:$2
-       args=$(echo $*| cut -d' ' -f4-)
-       adb push $3 /data/local/tmp/$3 >/dev/null 2>&1
-       adb shell "$(exp GOARCH) $(exp GOTRACEBACK) $(exp GOGC) \
-               gdbserver :$2 /data/local/tmp/retval /data/local/tmp/$3 $args" \
-               2>&1|tr -d '\r' |tee /tmp/adb.out|grep -v RETVAL
-else
-       if [ "$*" != "$1" ]; then
-               args=$(echo $*| cut -d' ' -f2-)
-       fi
-       adb push $1 /data/local/tmp/$1 >/dev/null 2>&1
-       adb shell "$(exp GOARCH) $(exp GOTRACEBACK) $(exp GOGC) \
-               /data/local/tmp/retval /data/local/tmp/$1 $args" \
-               2>&1|tr -d '\r' |tee /tmp/adb.out|grep -v RETVAL
-fi
-exit $(grep RETVAL /tmp/adb.out|tr -d '\n\r'| cut -d' ' -f2)