MINI MINI MANI MO

#!/bin/sh
#
# $Header: buildtools/port/orald /linuxamd64/8 2015/11/19 14:29:33 ekarichk Exp $
#
# orald
#
# Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
#
#   NAME
#     orald - Wrapper to invoke ld
#
#   DESCRIPTION
#     Invokes ld to link binaries and shared libraries against Intel
#     runtime and runtime libraries.
#
#   NOTES
#     Emulates some of the gcc command line options, in particular, -Wl,xxx
#     can be used to pass an option to ld.
#
#   MODIFIED   (MM/DD/YY)
#   ekarichk    11/12/15 - bug/22200467: conflict between large text pages 
#                          and online patching
#   ekarichk    03/25/14 - handle -pie
#   ekarichk    03/25/14 - handle i-static
#   ekarichk    09/26/13 - large page support for Oracle binary text
#   ekarichk    09/28/12 - bug/14692807: pull out crt*
#   ekarichk    09/04/12 - bug/13517928: use ld for linking
#   ekarichk    01/18/12 - Creation
#

if [ -z "$BASH_VERSION" -o -n "$ORALD_USE_GCC" ] ; then
  exec gcc "$@"
  exit 1
fi
 
PATH=/bin:/usr/bin:/usr/local/bin
export PATH

lib_locs="${SRCHOME:-$ORACLE_HOME}/lib"

verbose=
shared=
cxx=
pthread=
pie=
have_o=
have_lhugetlbfs=
outf=
declare -a cmd libdirs cmdsfx

for arg 
do
 case "$arg" in
   -shared  ) shared=1  ; cmd[${#cmd[@]}]="$arg" ;;
   -pie     ) pie=S     ; cmd[${#cmd[@]}]="$arg" ;;
   -pthread ) pthread=1 ;;
   -lstdc++ ) cxx=1 ; cmd[${#cmd[@]}]="$arg" ;;
   -m32     ) exec gcc "$@" ; exit 1 ;;
   -m64     ) ;;
   -v       ) verbose=1 ; cmd[${#cmd[@]}]="$arg" ;;
   -L*      ) libdirs[${#libdirs[@]}]="$arg" ;;
   -Wl,*    )
     for opt in $(echo "" "${arg:4}" | tr ',' ' ') ; do
       test -n "$opt" && cmd[${#cmd[@]}]="$opt"
     done
     ;;
   -i-static | -Bstatic | -Bdynamic ) ;;
   -o       )   have_o=1; cmd[${#cmd[@]}]="$arg" ;;
   -lhugetlbfs) have_lhugetlbfs=1; cmd[${#cmd[@]}]="$arg" ;;
   *        )   cmd[${#cmd[@]}]="$arg"; test -n "$have_o" && outf="$arg" ; have_o= ;;
 esac 
done

cmdpfx1="/usr/bin/ld --eh-frame-hdr -m elf_x86_64 --hash-style=gnu --build-id"
[[ -z "$shared" ]] && cmdpfx1="$cmdpfx1 -dynamic-linker /lib64/ld-linux-x86-64.so.2 /usr/lib64/${pie}crt1.o"

cmdpfx=( $cmdpfx1 "${libdirs[@]}" /usr/lib64/crti.o "$lib_locs/crtbegin.o" \
         -L/usr/lib64 -L/lib64 "-L$lib_locs" )

[[ -n "$pthread" ]] && cmdsfx=( -lpthread )
cmdsfx=( "${cmdsfx[@]}" -Bstatic -lirc -Bdynamic -lc \
         --as-needed -lgcc_s --no-as-needed -Bstatic -lirc -Bdynamic -ldl -lc \
         "$lib_locs/crtend.o" /usr/lib64/crtn.o )

[[ -n "$verbose" ]] && echo "${cmdpfx[@]}" "${cmd[@]}" "${cmdsfx[@]}"
"${cmdpfx[@]}" "${cmd[@]}" "${cmdsfx[@]}" 
rc=$?

if test "${rc}${have_lhugetlbfs}" = "01" && test -n "$outf" && \
     test -x /usr/bin/hugeedit ; then
  /usr/bin/hugeedit --text "$outf"
  rc=$?
fi

exit $rc