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      1 #!/usr/bin/env bash
      2 
      3 # Copyright 2010 The Go Authors. All rights reserved.
      4 # Use of this source code is governed by a BSD-style
      5 # license that can be found in the LICENSE file.
      6 
      7 # This is a small script for executing go binaries on the android platform.
      8 #
      9 # example:
     10 # ./a 5.out foo bar baz
     11 #
     12 # The script exports the local values of GOARCH, GOTRACEBACK and GOGC
     13 # to the android environment.
     14 #
     15 # Known issues:
     16 # The script fails unless the last character output by the program is "\n"
     17 #
     18 # TODO(kaib): add gdb bridge support
     19 
     20 exp ()
     21 {
     22 	if [ ${!1} ]; then
     23 		echo "export $1=\"${!1}\"; "
     24 	fi
     25 }
     26 
     27 # adb does not correctly return the exit value of the executed program. use this
     28 # wrapper to manually extract the exit value
     29 rloc=/data/local/tmp/retval
     30 rsize=$(adb shell "ls -l $rloc"|tr -s ' '|cut -d' ' -f4)
     31 rcheck=38
     32 if [ "$rsize" != "$rcheck" ]; then
     33 #	echo "debug: retval size incorrect want $rcheck, got $rsize. uploading"
     34 	echo  >/tmp/adb.retval '#!/system/bin/sh
     35 "$@"
     36 echo RETVAL: $?' 
     37 	adb push /tmp/adb.retval $rloc >/dev/null 2>&1
     38 	adb shell chmod 755 $rloc
     39 fi
     40 
     41 # run the main binary
     42 if [ "-g" == "$1" ]; then
     43 	adb forward tcp:$2 tcp:$2
     44 	args=$(echo $*| cut -d' ' -f4-)
     45 	adb push $3 /data/local/tmp/$3 >/dev/null 2>&1
     46 	adb shell "$(exp GOARCH) $(exp GOTRACEBACK) $(exp GOGC) \
     47 		gdbserver :$2 /data/local/tmp/retval /data/local/tmp/$3 $args" \
     48 		2>&1|tr -d '\r' |tee /tmp/adb.out|grep -v RETVAL
     49 else
     50 	if [ "$*" != "$1" ]; then
     51 		args=$(echo $*| cut -d' ' -f2-)
     52 	fi
     53 	adb push $1 /data/local/tmp/$1 >/dev/null 2>&1
     54 	adb shell "$(exp GOARCH) $(exp GOTRACEBACK) $(exp GOGC) \
     55 		/data/local/tmp/retval /data/local/tmp/$1 $args" \
     56 		2>&1|tr -d '\r' |tee /tmp/adb.out|grep -v RETVAL
     57 fi
     58 exit $(grep RETVAL /tmp/adb.out|tr -d '\n\r'| cut -d' ' -f2)
     59