From aa2289c2a3faf0f198e47943dcb29e0c16223be8 Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@redhat.com>
Date: Mon, 3 May 1999 07:29:11 +0000
Subject: Initial revision

---
 ld/genscripts.sh | 133 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100755 ld/genscripts.sh

(limited to 'ld/genscripts.sh')

diff --git a/ld/genscripts.sh b/ld/genscripts.sh
new file mode 100755
index 0000000000..eea5401515
--- /dev/null
+++ b/ld/genscripts.sh
@@ -0,0 +1,133 @@
+#!/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
+#
+# 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
+# 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
+DEFAULT_EMULATION=$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.
+#
+# The format is the usual list of colon-separated directories.
+# To force a logically empty LIB_PATH, do LIBPATH=":".
+
+if [ "x${LIB_PATH}" = "x" ] ; then
+  if [ "x${host}" = "x${target}" ] ; then
+    if [ "x${DEFAULT_EMULATION}" = "x${EMULATION_NAME}" ] ; then
+      # Native.
+      LIB_PATH=/lib:/usr/lib
+      if [ -n "${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
+    else
+      # Native, but not default emulation.
+      LIB_PATH=
+    fi
+  else
+    # Cross.
+    LIB_PATH=
+  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 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-${TARGET_PAGE_SIZE}}
+
+# Determine DATA_ALIGNMENT for the 5 variants, using
+# values specified in the emulparams/<emulation>.sh file or default.
+
+DATA_ALIGNMENT_="${DATA_ALIGNMENT_-${DATA_ALIGNMENT-ALIGN(${SEGMENT_SIZE})}}"
+DATA_ALIGNMENT_n="${DATA_ALIGNMENT_n-${DATA_ALIGNMENT_}}"
+DATA_ALIGNMENT_N="${DATA_ALIGNMENT_N-${DATA_ALIGNMENT-.}}"
+DATA_ALIGNMENT_r="${DATA_ALIGNMENT_r-${DATA_ALIGNMENT-}}"
+DATA_ALIGNMENT_u="${DATA_ALIGNMENT_u-${DATA_ALIGNMENT_r}}"
+
+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
+
+LD_FLAG=u
+DATA_ALIGNMENT=${DATA_ALIGNMENT_u}
+CONSTRUCTING=" "
+(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \
+  ldscripts/${EMULATION_NAME}.xu
+
+LD_FLAG=
+DATA_ALIGNMENT=${DATA_ALIGNMENT_}
+RELOCATING=" "
+(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \
+  ldscripts/${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
+
+LD_FLAG=N
+DATA_ALIGNMENT=${DATA_ALIGNMENT_N}
+(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \
+  ldscripts/${EMULATION_NAME}.xbn
+
+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
+
+test "$DEFAULT_EMULATION" = "$EMULATION_NAME" && COMPILE_IN=true
+
+# Generate e${EMULATION_NAME}.c.
+. ${srcdir}/emultempl/${TEMPLATE_NAME-generic}.em
-- 
cgit v1.2.1