* config/tc-m32r.c (md_parse_option): Delete unrecognized option

[deliverable/binutils-gdb.git] / ld / genscripts.sh

diff --git a/ld/genscripts.sh b/ld/genscripts.sh
index dd1e9dda4bbe8e0accf896ce311979d606fa588c..8294af7068eafa39af5715a2788b853504bb360a 100755 (executable)
--- a/ld/genscripts.sh
+++ b/ld/genscripts.sh
@@ -1,24 +1,33 @@
 #!/bin/sh
 # genscripts.sh - generate the ld-emulation-target specific files
 #
-# Usage: genscripts.sh srcdir libdir host_alias target_alias \
-# default_emulation this_emulation
+# Usage: genscripts.sh srcdir libdir 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 sun4 sun3
+# 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_alias=$3
-target_alias=$4
-DEFAULT_EMULATION=$5
-EMULATION_NAME=$6
+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
 
 # Include the emulation-specific parameters:
 . ${srcdir}/emulparams/${EMULATION_NAME}.sh
 
+if test -d ldscripts; then
+  true
+else
+  mkdir ldscripts
+fi
+
 # Set the library search path, for libraries named by -lfoo.
 # If LIB_PATH is defined (e.g., by Makefile) and non-empty, it is used.
 # Otherwise, the default is set here.
@@ -27,31 +36,47 @@ EMULATION_NAME=$6
 # To force a logically empty LIB_PATH, do LIBPATH=":".
 
 if [ "x${LIB_PATH}" = "x" ] ; then
-   if [ "x${host_alias}" = "x${target_alias}" ] ; then
-      # Native.
-      LIB_PATH=/lib:/usr/lib:${libdir}
-      if [ "${libdir}" != /usr/local/lib ] ; then
-        LIB_PATH=${LIB_PATH}:/usr/local/lib
-      fi
-   else
-      # Cross.
-      LIB_PATH=:
-   fi
+  # 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
+    esac
+  fi
 fi
+
+# Always search $(tooldir)/lib, aka /usr/local/TARGET/lib.
+LIB_PATH=${LIB_PATH}:${tool_lib}
+
 LIB_SEARCH_DIRS=`echo ${LIB_PATH} | tr ':' ' ' | sed -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\1);/g'`
 
-# Generate 5 script files from a master script template in
-# ${srcdir}/scripttempl/${SCRIPT_NAME}.sh.  Which one of the 5 script files
-# is actually used depends on command line options given to ld.
-# (SCRIPT_NAME was set in the emulparams_file.)
+# Generate 5 or 6 script files from a master script template in
+# ${srcdir}/scripttempl/${SCRIPT_NAME}.sh.  Which one of the 5 or 6
+# script files is actually used depends on command line options given
+# to ld.  (SCRIPT_NAME was set in the emulparams_file.)
 #
 # A .x script file is the default script.
 # A .xr script is for linking without relocation (-r flag).
 # A .xu script is like .xr, but *do* create constructors (-Ur flag).
 # A .xn script is for linking with -n flag (mix text and data on same page).
 # A .xbn script is for linking with -N flag (mix text and data on same page).
+# 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.
 
-SEGMENT_SIZE=${SEGMENT_SIZE-${PAGE_SIZE}}
+SEGMENT_SIZE=${SEGMENT_SIZE-${TARGET_PAGE_SIZE}}
 
 # Determine DATA_ALIGNMENT for the 5 variants, using
 # values specified in the emulparams/<emulation>.sh file or default.
@@ -70,13 +95,13 @@ DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})"
 
 LD_FLAG=u
 DATA_ALIGNMENT=${DATA_ALIGNMENT_u}
-CONSTRUCTING=
+CONSTRUCTING=" "
 (. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \
   ldscripts/${EMULATION_NAME}.xu
 
 LD_FLAG=
 DATA_ALIGNMENT=${DATA_ALIGNMENT_}
-RELOCATING=
+RELOCATING=" "
 (. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \
   ldscripts/${EMULATION_NAME}.x
 
@@ -91,5 +116,18 @@ DATA_ALIGNMENT=${DATA_ALIGNMENT_N}
 (. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \
   ldscripts/${EMULATION_NAME}.xbn
 
-# Generate em_${EMULATION_NAME}.c.
+if test -n "$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
+fi
+
+for i in $EMULATION_LIBPATH ; do
+  test "$i" = "$EMULATION_NAME" && COMPILE_IN=true
+done
+
+# Generate e${EMULATION_NAME}.c.
 . ${srcdir}/emultempl/${TEMPLATE_NAME-generic}.em