Revision: 3011 Author: eliot Date: 2014-06-20 11:20:08 -0700 (Fri, 20 Jun 2014) Log Message: ----------- Add a useful script for linux VM debugging.

Added Paths: ----------- branches/Cog/scripts/setLD_LIBRARY_PATH

Added: branches/Cog/scripts/setLD_LIBRARY_PATH =================================================================== --- branches/Cog/scripts/setLD_LIBRARY_PATH (rev 0) +++ branches/Cog/scripts/setLD_LIBRARY_PATH 2014-06-20 18:20:08 UTC (rev 3011) @@ -0,0 +1,46 @@ +# Set SQUEAK_PLUGINS and LD_LIBRARY_PATH to include the containing directory +# of the VM arg. MUST NOT BE EXECUTED IN A SUBSHELL +BIN="`dirname $1`" +export SQUEAK_PLUGINS="$BIN" +echo Make sure you invoke this as . setLD_LIBRARY_PATH +# At least on linux LD_LIBRARY_PATH's components must be absolute path names +case "$BIN" in +/*) PLUGINS="$BIN";; +*) PLUGINS="`pwd`/$BIN" +esac +# On some linuxes there multiple versions of the C library. If the image uses +# libc (e.g. through the FFI) then it must use the same version that the VM uses +# and so it should take precedence over /lib libc. This is done by setting +# LD_LIBRARY_PATH appropriately, based on ldd's idea of the libc use by the VM. +LIBC_SO="`/usr/bin/ldd "$1" | /bin/fgrep /libc. | sed 's/^.*=> ([^ ]*).*/\1/'`" +case "$LIBC_SO" in +/lib/libc*) SVMLLP="/lib:/usr/lib";; +/lib32/libc*) SVMLLP="/lib32:/usr/lib32";; +/lib64/libc*) SVMLLP="/lib64:/usr/lib64";; +/lib/tls/libc*) SVMLLP="/lib/tls:/lib:/usr/lib/tls:/usr/lib";; +/lib/i386-linux-gnu/libc*) \ + SVMLLP="/lib/i386-linux-gnu:/lib:/usr/lib/i386-linux-gnu:/usr/lib";; +/lib/i386-linux-gnu/i686/cmov/libc*) \ + SVMLLP="/lib/i386-linux-gnu/i686/cmov:/lib:/usr/lib/i386-linux-gnu/i686/cmov:/usr/lib";; +/lib/386-linux-gnu/i686/cmov/libc*) \ + SVMLLP="/lib/386-linux-gnu/i686/cmov:/lib:/usr/lib/386-linux-gnu/i686/cmov:/usr/lib";; +/lib/tls/i686/cmov/libc*) \ + SVMLLP="/lib/tls/i686/cmov:/lib:/usr/lib/tls/i686/cmov:/usr/lib";; +/lib/tls/i686/nosegneg/libc*) \ + SVMLLP="/lib/i686/nosegneg/tls:/lib:/usr/lib/i686/nosegneg/tls:/usr/lib";; +/lib/arm-linux-gnueabihf/libc*) \ + SVMLLP="/lib/arm-linux-gnueabihf:/lib:/usr/lib/arm-linux-gnueabihf:/usr/lib";; +"") case `/bin/uname -m || /usr/bin/uname -m` in + *64*) echo "/usr/bin/ldd didn't produce any output and the system is 64 bit. You may need to (re)install the 32-bit libraries." 1>&2;; + *) echo "/usr/bin/ldd didn't produce any output. Can't infer base LD_LIBRARY_PATH. Aborting." 1>&2 + esac + exit 1;; +*) echo "Can't infer base LD_LIBRARY_PATH. Aborting. Try adding a line for $LIBC_SO to $0. Please report your edit to nsvm vm-dev." 1>&2 + exit 1 +esac +# prepending is less flexible but safer because it ensures we find the plugins +# in the same directory as the VM. We must include at least /lib and /usr/lib +# if libraries there-in are to be found. These directories are not implicit. +export LD_LIBRARY_PATH=$PLUGINS:$SVMLLP +echo export SQUEAK_PLUGINS="$BIN" +echo export LD_LIBRARY_PATH=$PLUGINS:$SVMLLP

Property changes on: branches/Cog/scripts/setLD_LIBRARY_PATH ___________________________________________________________________ Added: svn:executable + *