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1 #!/bin/bash
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2
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3 # Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
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4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 #
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6 # This code is free software; you can redistribute it and/or modify it
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7 # under the terms of the GNU General Public License version 2 only, as
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8 # published by the Free Software Foundation.
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9 #
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10 # This code is distributed in the hope that it will be useful, but WITHOUT
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11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 # version 2 for more details (a copy is included in the LICENSE file that
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14 # accompanied this code).
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15 #
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16 # You should have received a copy of the GNU General Public License version
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17 # 2 along with this work; if not, write to the Free Software Foundation,
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18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 #
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20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21 # or visit www.oracle.com if you need additional information or have any
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22 # questions.
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23
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24
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25 # This script launches HotSpot.
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26 #
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27 # If the first parameter is either "-gdb" or "-gud", HotSpot will be
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28 # launched inside gdb. "-gud" means "open an Emacs window and run gdb
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29 # inside Emacs".
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30 #
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31 # If the first parameter is "-dbx", HotSpot will be launched inside dbx.
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32 #
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33 # If the first parameter is "-valgrind", HotSpot will be launched
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34 # inside Valgrind (http://valgrind.kde.org) using the Memcheck skin,
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35 # and with memory leak detection enabled. This currently (2005jan19)
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36 # requires at least Valgrind 2.3.0. -Xmx16m will also be passed as
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37 # the first parameter to HotSpot, since lowering HotSpot's memory
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38 # consumption makes execution inside of Valgrind *a lot* faster.
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39 #
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40
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41
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42 #
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43 # User changeable parameters ------------------------------------------------
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44 #
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45
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46 # This is the name of the gdb binary to use
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47 if [ ! "$GDB" ]
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48 then
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49 GDB=gdb
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50 fi
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51
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52 # This is the name of the gdb binary to use
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53 if [ ! "$DBX" ]
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54 then
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55 DBX=dbx
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56 fi
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57
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58 # This is the name of the Valgrind binary to use
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59 if [ ! "$VALGRIND" ]
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60 then
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61 VALGRIND=valgrind
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62 fi
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63
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64 # This is the name of Emacs for running GUD
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65 EMACS=emacs
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66
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67 #
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68 # End of user changeable parameters -----------------------------------------
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69 #
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70
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71 # Make sure the paths are fully specified, i.e. they must begin with /.
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72 SCRIPT=$(cd $(dirname $0) && pwd)/$(basename $0)
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73 RUNDIR=$(pwd)
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74
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75 # Look whether the user wants to run inside gdb
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76 case "$1" in
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77 -gdb)
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78 MODE=gdb
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79 shift
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80 ;;
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81 -gud)
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82 MODE=gud
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83 shift
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84 ;;
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85 -dbx)
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86 MODE=dbx
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87 shift
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88 ;;
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89 -valgrind)
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90 MODE=valgrind
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91 shift
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92 ;;
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93 *)
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94 MODE=run
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95 ;;
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96 esac
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97
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98 if [ "${ALT_JAVA_HOME}" = "" ]; then
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99 if [ "${JAVA_HOME}" = "" ]; then
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100 echo "Neither ALT_JAVA_HOME nor JAVA_HOME is set. Aborting.";
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101 exit 1;
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102 else
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103 JDK=${JAVA_HOME%%/jre};
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104 fi
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105 else
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106 JDK=${ALT_JAVA_HOME%%/jre};
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107 fi
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108
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109 # We will set the LD_LIBRARY_PATH as follows:
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110 # o $JVMPATH (directory portion only)
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111 # o $JRE/lib/$ARCH
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112 # followed by the user's previous effective LD_LIBRARY_PATH, if
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113 # any.
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114 JRE=$JDK/jre
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115 JAVA_HOME=$JDK
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116 ARCH=@@LIBARCH@@
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117
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118 # Find out the absolute path to this script
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119 MYDIR=$(cd $(dirname $SCRIPT) && pwd)
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120
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121 SBP=${MYDIR}:${JRE}/lib/${ARCH}
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122
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123 # Set up a suitable LD_LIBRARY_PATH
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124
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125 if [ -z "$LD_LIBRARY_PATH" ]
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126 then
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127 LD_LIBRARY_PATH="$SBP"
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128 else
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129 LD_LIBRARY_PATH="$SBP:$LD_LIBRARY_PATH"
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130 fi
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131
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132 export LD_LIBRARY_PATH
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133 export JAVA_HOME
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134
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135 JPARMS="$@ $JAVA_ARGS";
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136
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137 # Locate the gamma development launcher
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138 LAUNCHER=${MYDIR}/gamma
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139 if [ ! -x $LAUNCHER ] ; then
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140 echo Error: Cannot find the gamma development launcher \"$LAUNCHER\"
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141 exit 1
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142 fi
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143
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144 GDBSRCDIR=$MYDIR
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145 BASEDIR=$(cd $MYDIR/../../.. && pwd)
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146
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147 init_gdb() {
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148 # Create a gdb script in case we should run inside gdb
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149 GDBSCR=/tmp/hsl.$$
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150 rm -f $GDBSCR
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151 cat >>$GDBSCR <<EOF
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152 cd `pwd`
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153 handle SIGUSR1 nostop noprint
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154 handle SIGUSR2 nostop noprint
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155 set args $JPARMS
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156 file $LAUNCHER
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157 directory $GDBSRCDIR
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158 # Get us to a point where we can set breakpoints in libjvm.so
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159 break InitializeJVM
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160 run
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161 # Stop in InitializeJVM
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162 delete 1
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163 # We can now set breakpoints wherever we like
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164 EOF
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165 }
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166
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167
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168 case "$MODE" in
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169 gdb)
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170 init_gdb
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171 $GDB -x $GDBSCR
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172 rm -f $GDBSCR
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173 ;;
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174 gud)
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175 init_gdb
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176 # First find out what emacs version we're using, so that we can
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177 # use the new pretty GDB mode if emacs -version >= 22.1
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178 case $($EMACS -version 2> /dev/null) in
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179 *GNU\ Emacs\ 2[23]*)
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180 emacs_gud_cmd="gdba"
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181 emacs_gud_args="--annotate=3"
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182 ;;
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183 *)
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184 emacs_gud_cmd="gdb"
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185 emacs_gud_args=
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186 ;;
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187 esac
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188 $EMACS --eval "($emacs_gud_cmd \"$GDB $emacs_gud_args -x $GDBSCR\")";
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189 rm -f $GDBSCR
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190 ;;
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191 dbx)
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192 $DBX -s $MYDIR/.dbxrc $LAUNCHER $JPARAMS
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193 ;;
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194 valgrind)
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195 echo Warning: Defaulting to 16Mb heap to make Valgrind run faster, use -Xmx for larger heap
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196 echo
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197 $VALGRIND --tool=memcheck --leak-check=yes --num-callers=50 $LAUNCHER -Xmx16m $JPARMS
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198 ;;
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199 run)
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200 LD_PRELOAD=$PRELOADING exec $LAUNCHER $JPARMS
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201 ;;
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202 *)
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203 echo Error: Internal error, unknown launch mode \"$MODE\"
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204 exit 1
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205 ;;
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206 esac
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207 RETVAL=$?
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208 exit $RETVAL
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