#!/bin/sh

# Should point to the installation directory
prefix="@prefix@"
exec_prefix="@exec_prefix@"
VALGRIND="@libdir@/valgrind"


# Other stuff ...
version="@VERSION@"
emailto="jseward@acm.org"

# The default name of the suppressions file
vgsupp="--suppressions=$VALGRIND/default.supp"

# name we were invoked with
vgname=`echo $0 | sed 's,^.*/,,'`

# Valgrind options
vgopts=

# Prog and arg to run
argopts=

# Show usage info?
dousage=0

# show version info?
doversion=0

# Collect up args for Valgrind
while [ $+ != 0 ]
do
  arg=$1
  case "$arg" in
#   options for the user
    --help)                 dousage=1; break;;
    --version)              doversion=1; break;;
    --logfile-fd=*)         vgopts="$vgopts $arg"; shift;;
    -v)                     vgopts="$vgopts $arg"; shift;;
    --verbose)              vgopts="$vgopts -v"; shift;;
    -q)                     vgopts="$vgopts $arg"; shift;;
    --quiet)                vgopts="$vgopts $arg"; shift;;
    --check-addrVs=no)      vgopts="$vgopts $arg"; shift;;
    --check-addrVs=yes)     vgopts="$vgopts $arg"; shift;;
    --gdb-attach=no)        vgopts="$vgopts $arg"; shift;;
    --gdb-attach=yes)       vgopts="$vgopts $arg"; shift;;
    --demangle=no)          vgopts="$vgopts $arg"; shift;;
    --demangle=yes)         vgopts="$vgopts $arg"; shift;;
    --num-callers=*)        vgopts="$vgopts $arg"; shift;;
    --partial-loads-ok=no)  vgopts="$vgopts $arg"; shift;;
    --partial-loads-ok=yes) vgopts="$vgopts $arg"; shift;;
    --leak-check=no)        vgopts="$vgopts $arg"; shift;;
    --leak-check=yes)       vgopts="$vgopts $arg"; shift;;
    --show-reachable=no)    vgopts="$vgopts $arg"; shift;;
    --show-reachable=yes)   vgopts="$vgopts $arg"; shift;;
    --leak-resolution=low)  vgopts="$vgopts $arg"; shift;;
    --leak-resolution=med)  vgopts="$vgopts $arg"; shift;;
    --leak-resolution=high) vgopts="$vgopts $arg"; shift;;
    --sloppy-malloc=no)     vgopts="$vgopts $arg"; shift;;
    --sloppy-malloc=yes)    vgopts="$vgopts $arg"; shift;;
    --trace-children=no)    vgopts="$vgopts $arg"; shift;;
    --trace-children=yes)   vgopts="$vgopts $arg"; shift;;
    --workaround-gcc296-bugs=no)    vgopts="$vgopts $arg"; shift;;
    --workaround-gcc296-bugs=yes)   vgopts="$vgopts $arg"; shift;;
    --freelist-vol=*)       vgopts="$vgopts $arg"; shift;;
    --suppressions=*)       vgopts="$vgopts $arg"; shift;;
    --cachesim=yes)         vgopts="$vgopts $arg"; shift;;
    --cachesim=no)          vgopts="$vgopts $arg"; shift;;
    --weird-hacks=*)        vgopts="$vgopts $arg"; shift;;
#   options for debugging Valgrind
    --sanity-level=*)       vgopts="$vgopts $arg"; shift;;
    --single-step=yes)      vgopts="$vgopts $arg"; shift;;
    --single-step=no)       vgopts="$vgopts $arg"; shift;;
    --optimise=yes)         vgopts="$vgopts $arg"; shift;;
    --optimise=no)          vgopts="$vgopts $arg"; shift;;
    --instrument=yes)       vgopts="$vgopts $arg"; shift;;
    --instrument=no)        vgopts="$vgopts $arg"; shift;;
    --cleanup=yes)          vgopts="$vgopts $arg"; shift;;
    --cleanup=no)           vgopts="$vgopts $arg"; shift;;
    --smc-check=none)       vgopts="$vgopts $arg"; shift;;
    --smc-check=some)       vgopts="$vgopts $arg"; shift;;
    --smc-check=all)        vgopts="$vgopts $arg"; shift;;
    --trace-syscalls=yes)   vgopts="$vgopts $arg"; shift;;
    --trace-syscalls=no)    vgopts="$vgopts $arg"; shift;;
    --trace-signals=yes)    vgopts="$vgopts $arg"; shift;;
    --trace-signals=no)     vgopts="$vgopts $arg"; shift;;
    --trace-symtab=yes)     vgopts="$vgopts $arg"; shift;;
    --trace-symtab=no)      vgopts="$vgopts $arg"; shift;;
    --trace-malloc=yes)     vgopts="$vgopts $arg"; shift;;
    --trace-malloc=no)      vgopts="$vgopts $arg"; shift;;
    --trace-sched=yes)      vgopts="$vgopts $arg"; shift;;
    --trace-sched=no)       vgopts="$vgopts $arg"; shift;;
    --trace-pthread=none)   vgopts="$vgopts $arg"; shift;;
    --trace-pthread=some)   vgopts="$vgopts $arg"; shift;;
    --trace-pthread=all)    vgopts="$vgopts $arg"; shift;;
    --stop-after=*)         vgopts="$vgopts $arg"; shift;;
    --dump-error=*)         vgopts="$vgopts $arg"; shift;;
    -*)                     dousage=1; break;;
    *)                      break;;
  esac
done

if [ z"$doversion" = z1 ]; then
   echo "valgrind-$version"
   exit 1
fi

if [ $# = 0 ] || [ z"$dousage" = z1 ]; then
   echo
   echo "usage: $vgname [options] prog-and-args"
   echo
   echo "  options for the user, with defaults in [ ], are:"
   echo "    --help                    show this message"
   echo "    --version                 show version"
   echo "    -q --quiet                run silently; only print error msgs"
   echo "    -v --verbose              be more verbose, incl counts of errors"
   echo "    --gdb-attach=no|yes       start GDB when errors detected? [no]"
   echo "    --demangle=no|yes         automatically demangle C++ names? [yes]"
   echo "    --num-callers=<number>    show <num> callers in stack traces [4]"
   echo "    --partial-loads-ok=no|yes too hard to explain here; see manual [yes]"
   echo "    --leak-check=no|yes       search for memory leaks at exit? [no]"
   echo "    --leak-resolution=low|med|high"
   echo "                              amount of bt merging in leak check [low]"
   echo "    --show-reachable=no|yes   show reachable blocks in leak check? [no]"
   echo "    --sloppy-malloc=no|yes    round malloc sizes to next word? [no]"
   echo "    --trace-children=no|yes   Valgrind-ise child processes? [no]"
   echo "    --logfile-fd=<number>     file descriptor for messages [2=stderr]"
   echo "    --freelist-vol=<number>   volume of freed blocks queue [1000000]"
   echo "    --workaround-gcc296-bugs=no|yes  self explanatory [no]"
   echo "    --suppressions=<filename> suppress errors described in"
   echo "                              suppressions file <filename>"
   echo "    --check-addrVs=no|yes     experimental lighterweight checking? [yes]"
   echo "                              yes == Valgrind's original behaviour"
   echo "    --cachesim=no|yes         do cache profiling? [no]"
   echo "    --weird-hacks=hack1,hack2,...  [no hacks selected]"
   echo "         recognised hacks are: ioctl-VTIME"
   echo ""
   echo
   echo "  options for debugging Valgrind itself are:"
   echo "    --sanity-level=<number>   level of sanity checking to do [1]"
   echo "    --single-step=no|yes      translate each instr separately? [no]"
   echo "    --optimise=no|yes         improve intermediate code? [yes]"
   echo "    --instrument=no|yes       actually do memory checks? [yes]"
   echo "    --cleanup=no|yes          improve after instrumentation? [yes]"
   echo "    --smc-check=none|some|all check writes for s-m-c? [some]"
   echo "    --trace-syscalls=no|yes   show all system calls? [no]"
   echo "    --trace-signals=no|yes    show signal handling details? [no]"
   echo "    --trace-symtab=no|yes     show symbol table details? [no]"
   echo "    --trace-malloc=no|yes     show client malloc details? [no]"
   echo "    --trace-sched=no|yes      show thread scheduler details? [no]"
   echo "    --trace-pthread=none|some|all  show pthread event details? [no]"
   echo "    --stop-after=<number>     switch to real CPU after executing"
   echo "                              <number> basic blocks [infinity]"
   echo "    --dump-error=<number>     show translation for basic block"
   echo "                              associated with <number>'th"
   echo "                              error context [0=don't show any]"
   echo
   echo "  Extra options are read from env variable \$VALGRIND_OPTS"
   echo
   echo "  Valgrind is Copyright (C) 2000-2002 Julian Seward"
   echo "  and licensed under the GNU General Public License, version 2."
   echo "  Bug reports, feedback, admiration, abuse, etc, to: $emailto."
   echo
   exit 1
fi

# A bit subtle.  The LD_PRELOAD added entry must be absolute
# and not depend on LD_LIBRARY_PATH.  This is so that we can
# mess with LD_LIBRARY_PATH for child processes, which makes
# libpthread.so fall out of visibility, independently of
# whether valgrind.so is visible.

VG_ARGS="$VALGRIND_OPTS $vgsupp $vgopts"
export VG_ARGS
LD_LIBRARY_PATH=$VALGRIND:$LD_LIBRARY_PATH
export LD_LIBRARY_PATH
LD_PRELOAD=$VALGRIND/valgrind.so:$LD_PRELOAD
export LD_PRELOAD
#LD_DEBUG=files
#LD_DEBUG=symbols
#export LD_DEBUG
exec "$@"