#!/bin/sh
# genscripts.sh - generate the ld-emulation-target specific files
#
-# Usage: genscripts.sh srcdir libdir host target target_alias \
-# default_emulation native_lib_dirs this_emulation tool_dir
+# Usage: genscripts.sh srcdir libdir exec_prefix \
+# host target target_alias default_emulation \
+# native_lib_dirs this_emulation tool_dir
#
# Sample usage:
-# genscripts.sh /djm/ld-devo/devo/ld /usr/local/lib sparc-sun-sunos4.1.3 \
-# sparc-sun-sunos4.1.3 sparc-sun-sunos4.1.3 sun4 "" sun3 sparc-sun-sunos4.1.3
+# genscripts.sh /djm/ld-devo/devo/ld /usr/local/lib /usr/local \
+# sparc-sun-sunos4.1.3 sparc-sun-sunos4.1.3 sparc-sun-sunos4.1.3 sun4 \
+# "" sun3 sparc-sun-sunos4.1.3
# produces sun3.x sun3.xbn sun3.xn sun3.xr sun3.xu em_sun3.c
srcdir=$1
libdir=$2
-host=$3
-target=$4
-target_alias=$5
-EMULATION_LIBPATH=$6
-NATIVE_LIB_DIRS=$7
-EMULATION_NAME=$8
-tool_lib=`echo ${libdir} | sed -e 's|/lib$||'`/${9-$target_alias}/lib
+exec_prefix=$3
+host=$4
+target=$5
+target_alias=$6
+EMULATION_LIBPATH=$7
+NATIVE_LIB_DIRS=$8
+EMULATION_NAME=$9
+shift 9
+# Can't use ${1:-$target_alias} here due to an Ultrix shell bug.
+if [ "x$1" = "x" ] ; then
+ tool_lib=${exec_prefix}/${target_alias}/lib
+else
+ tool_lib=${exec_prefix}/$1/lib
+fi
# Include the emulation-specific parameters:
. ${srcdir}/emulparams/${EMULATION_NAME}.sh
# To force a logically empty LIB_PATH, do LIBPATH=":".
if [ "x${LIB_PATH}" = "x" ] ; then
- # Cross, or native non-default emulation not requesting LIB_PATH.
- LIB_PATH=
-
if [ "x${host}" = "x${target}" ] ; then
case " $EMULATION_LIBPATH " in
*" ${EMULATION_NAME} "*)
# Native, and default or emulation requesting LIB_PATH.
- LIB_PATH=/lib:/usr/lib
- if [ -n "${NATIVE_LIB_DIRS}" ]; then
- LIB_PATH=${LIB_PATH}:${NATIVE_LIB_DIRS}
- fi
- if [ "${libdir}" != /usr/lib ]; then
- LIB_PATH=${LIB_PATH}:${libdir}
- fi
- if [ "${libdir}" != /usr/local/lib ] ; then
- LIB_PATH=${LIB_PATH}:/usr/local/lib
- fi
+ LIB_PATH=${libdir}
+ for lib in ${NATIVE_LIB_DIRS}; do
+ case :${LIB_PATH}: in
+ *:${lib}:*) ;;
+ *) LIB_PATH=${LIB_PATH}:${lib} ;;
+ esac
+ done
esac
fi
fi
# Always search $(tooldir)/lib, aka /usr/local/TARGET/lib.
-LIB_PATH=${LIB_PATH}:${tool_lib}
+LIB_PATH=${tool_lib}:${LIB_PATH}
-LIB_SEARCH_DIRS=`echo ${LIB_PATH} | tr ':' ' ' | sed -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\1);/g'`
+LIB_SEARCH_DIRS=`echo ${LIB_PATH} | sed -e 's/:/ /g' -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\\"\1\\");/g'`
# Generate 5 or 6 script files from a master script template in
# ${srcdir}/scripttempl/${SCRIPT_NAME}.sh. Which one of the 5 or 6
# A .xs script is for generating a shared library with the --shared
# flag; it is only generated if $GENERATE_SHLIB_SCRIPT is set by the
# emulation parameters.
+# A .xc script is for linking with -z combreloc; it is only generated if
+# $GENERATE_COMBRELOC_SCRIPT is set by the emulation parameters or
+# $SCRIPT_NAME is "elf".
+# A .xsc script is for linking with --shared -z combreloc; it is generated
+# if $GENERATE_COMBRELOC_SCRIPT is set by the emulation parameters or
+# $SCRIPT_NAME is "elf" and $GENERATE_SHLIB_SCRIPT is set by the emulation
+# parameters too.
+
+if [ "x$SCRIPT_NAME" = "xelf" ]; then
+ GENERATE_COMBRELOC_SCRIPT=yes
+fi
SEGMENT_SIZE=${SEGMENT_SIZE-${TARGET_PAGE_SIZE}}
LD_FLAG=r
DATA_ALIGNMENT=${DATA_ALIGNMENT_r}
DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})"
-(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \
- ldscripts/${EMULATION_NAME}.xr
+( echo "/* Script for ld -r: link without relocation */"
+ . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xr
LD_FLAG=u
DATA_ALIGNMENT=${DATA_ALIGNMENT_u}
CONSTRUCTING=" "
-(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \
- ldscripts/${EMULATION_NAME}.xu
+( echo "/* Script for ld -Ur: link w/out relocation, do create constructors */"
+ . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu
LD_FLAG=
DATA_ALIGNMENT=${DATA_ALIGNMENT_}
RELOCATING=" "
-(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \
- ldscripts/${EMULATION_NAME}.x
+( echo "/* Default linker script, for normal executables */"
+ . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.x
LD_FLAG=n
DATA_ALIGNMENT=${DATA_ALIGNMENT_n}
TEXT_START_ADDR=${NONPAGED_TEXT_START_ADDR-${TEXT_START_ADDR}}
-(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \
- ldscripts/${EMULATION_NAME}.xn
+( echo "/* Script for -n: mix text and data on same page */"
+ . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xn
LD_FLAG=N
DATA_ALIGNMENT=${DATA_ALIGNMENT_N}
-(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \
- ldscripts/${EMULATION_NAME}.xbn
+( echo "/* Script for -N: mix text and data on same page; don't align data */"
+ . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xbn
+
+if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
+ DATA_ALIGNMENT=${DATA_ALIGNMENT_c-${DATA_ALIGNMENT_}}
+ LD_FLAG=c
+ COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
+ ( echo "/* Script for -z combreloc: combine and sort reloc sections */"
+ . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xc
+ rm -f ${COMBRELOC}
+ COMBRELOC=
+fi
if test -n "$GENERATE_SHLIB_SCRIPT"; then
LD_FLAG=shared
DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
CREATE_SHLIB=" "
# Note that TEXT_START_ADDR is set to NONPAGED_TEXT_START_ADDR.
- (. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \
- ldscripts/${EMULATION_NAME}.xs
+ (
+ echo "/* Script for ld --shared: link shared library */"
+ . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xs
+ if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
+ LD_FLAG=cshared
+ DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
+ COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
+ ( echo "/* Script for --shared -z combreloc: shared library, combine & sort relocs */"
+ . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsc
+ rm -f ${COMBRELOC}
+ COMBRELOC=
+ fi
fi
-for i in $EMULATION_LIBPATH ; do
- test "$i" = "$EMULATION_NAME" && COMPILE_IN=true
-done
+case " $EMULATION_LIBPATH " in
+ *" ${EMULATION_NAME} "*) COMPILE_IN=true;;
+esac
# Generate e${EMULATION_NAME}.c.
. ${srcdir}/emultempl/${TEMPLATE_NAME-generic}.em
projects / deliverable / binutils-gdb.git / blobdiff