1#!/bin/sh 2# genscripts.sh - generate the ld-emulation-target specific files 3# Copyright (C) 2004-2024 Free Software Foundation, Inc. 4# 5# This file is part of the Gnu Linker. 6# 7# This program is free software; you can redistribute it and/or modify 8# it under the terms of the GNU General Public License as published by 9# the Free Software Foundation; either version 3, or (at your option) 10# any later version. 11# 12# This program is distributed in the hope that it will be useful, 13# but WITHOUT ANY WARRANTY; without even the implied warranty of 14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15# GNU General Public License for more details. 16# 17# You should have received a copy of the GNU General Public License 18# along with GLD; see the file COPYING. If not, write to the Free 19# Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 20# 02110-1301, USA. 21# 22# Usage: genscripts_extra.sh \ 23# srcdir \ 24# libdir \ 25# prefix \ 26# exec_prefix \ 27# host \ 28# target \ 29# target_alias \ 30# default_emulation \ 31# native_lib_dirs \ 32# use_sysroot \ 33# enable_initfini_array \ 34# this_emulation \ 35# optional: 36# tool_dir 37# 38# Sample usage: 39# 40# genscripts_extra.sh \ 41# /sources/ld \ 42# /usr/local/lib \ 43# /usr/local \ 44# /usr/local \ 45# sparc-sun-sunos4.1.3 \ 46# sparc-sun-sunos4.1.3 \ 47# sparc-sun-sunos4.1.3 \ 48# sun4 \ 49# "" \ 50# no \ 51# sun3 \ 52# sparc-sun-sunos4.1.3 \ 53# sparc.sh 54# 55# produces the linker scripts: 56# 57# sun3.x [default linker script] 58# sun3.xbn [used when the linker is invoked with "-N"] 59# sun3.xn [used when the linker is invoked with "-n"] 60# sun3.xr [used when the linker is invoked with "-r"] 61# sun3.xu [used when the linker is invoked with "-Ur"] 62# 63# depending on platform specific settings linker scripts with the 64# following suffixes might be generated as well: 65# 66# xdwe: -pie -z combreloc -z separate-code -z relro -z now 67# xdw: -pie -z combreloc -z relro -z now 68# xdceo: -pie -z combreloc -z separate-code -z relro 69# xdce: -pie -z combreloc -z separate-code 70# xdco: -pie -z combreloc -z relro 71# xdc: -pie -z combreloc 72# xdeo: -pie -z separate-code -z relro 73# xde: -pie -z separate-code 74# xdo: -pie -z relro 75# xd: -pie 76# 77# xswe: -shared -z combreloc -z separate-code -z relro -z now 78# xsw: -shared -z combreloc -z relro -z now 79# xsceo: -shared -z combreloc -z separate-code -z relro 80# xsce: -shared -z combreloc -z separate-code 81# xsco: -shared -z combreloc -z relro 82# xsc: -shared -z combreloc 83# xseo: -shared -z separate-code -z relro 84# xse: -shared -z separate-code 85# xso: -shared -z relro 86# xs: -shared 87# 88# xwe: -z combreloc -z separate-code -z relro -z now 89# xw: -z combreloc -z relro -z now 90# xceo: -z combreloc -z separate-code -z relro 91# xce: -z combreloc -z separate-code 92# xco: -z combreloc -z relro 93# xc: -z combreloc 94# xeo: -z separate-code -z relro 95# xe: -z separate-code 96# xo: -z relro 97# 98# 99# It also produced the C source file: 100# 101# em_sun3.c 102# 103# which is then compiled into the linker. 104# 105# The linker scripts are created by running the shell script 106# /sources/ld/emulparams/sparc.sh to set the value of ${SCRIPT_NAME} 107# (and any other variables it wants to). ${SCRIPT_NAME} is then 108# invoked with a variable called ${LD_FLAG} to tell it which version 109# of the linker script to create. 110 111 112srcdir=$1 113libdir=$2 114prefix=$3 115exec_prefix=$4 116host=$5 117target=$6 118target_alias=$7 119DEPDIR=$8 120shift 8 121LIB_PATH=$1 122EMULATION_LIBPATH=$2 123NATIVE_LIB_DIRS=$3 124use_sysroot=$4 125ENABLE_INITFINI_ARRAY=$5 126shift 5 127EMULATION_NAME=$1 128TOOL_LIB=$2 129 130source_sh() 131{ 132 if test -n "${DEPDIR}"; then 133 echo $1 >> ${DEPDIR}/e${EMULATION_NAME}.Tc 134 fi 135 . $1 136} 137 138if test -n "${DEPDIR}"; then 139 rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc 140fi 141 142# Include the emulation-specific parameters: 143CUSTOMIZER_SCRIPT="${srcdir}/emulparams/${EMULATION_NAME}.sh" 144source_sh ${CUSTOMIZER_SCRIPT} 145 146# Set some flags for the emultempl scripts. USE_LIBPATH will 147# be set for any libpath-using emulation; NATIVE will be set for a 148# libpath-using emulation where ${host} = ${target}. NATIVE 149# may already have been set by the emulparams file, but that's OK 150# (it'll just get set to "yes" twice). 151 152case " $EMULATION_LIBPATH " in 153 *" ${EMULATION_NAME} "*) 154 if [ "x${host}" = "x${target}" ] ; then 155 NATIVE=yes 156 USE_LIBPATH=yes 157 elif [ "x${use_sysroot}" = "xyes" ] ; then 158 USE_LIBPATH=yes 159 fi 160 ;; 161esac 162 163# If the emulparams file sets NATIVE, make sure USE_LIBPATH is set also. 164if test "x$NATIVE" = "xyes" ; then 165 USE_LIBPATH=yes 166fi 167 168# Set the library search path, for libraries named by -lfoo. 169# If LIB_PATH is defined (e.g., by Makefile) and non-empty, it is used. 170# Otherwise, the default is set here. 171# 172# The format is the usual list of colon-separated directories. 173# To force a logically empty LIB_PATH, do LIBPATH=":". 174# 175# If we are using a sysroot, prefix library paths with "=" to indicate this. 176# 177# If the emulparams file set LIBPATH_SUFFIX, prepend an extra copy of 178# the library path with the suffix applied. 179 180# Paths with LIBPATH_SUFFIX 181lib_path1= 182# Paths without LIBPATH_SUFFIX 183lib_path2= 184if [ "${LIB_PATH}" != ":" ] ; then 185 lib_path2=${LIB_PATH} 186fi 187 188# Add args to lib_path1 and lib_path2, discarding any duplicates 189append_to_lib_path() 190{ 191 if [ $# != 0 ]; then 192 for lib in "$@"; do 193 # The "=" is harmless if we aren't using a sysroot, but also needless. 194 if [ "x${use_sysroot}" = "xyes" ] ; then 195 lib="=${lib}" 196 fi 197 skip_lib=no 198 for libpath_suffix in ${LIBPATH_SUFFIX}; do 199 case "${lib}" in 200 *${libpath_suffix}) 201 case :${lib_path1}: in 202 *:${lib}:*) ;; 203 ::) lib_path1=${lib} ;; 204 *) lib_path1=${lib_path1}:${lib} ;; 205 esac ;; 206 *) 207 if test -n "${LIBPATH_SUFFIX_SKIP}"; then 208 case "${lib}" in 209 *${LIBPATH_SUFFIX_SKIP}) skip_lib=yes ;; 210 esac 211 fi 212 if test "${skip_lib}" = "no"; then 213 case :${lib_path1}: in 214 *:${lib}${libpath_suffix}:*) ;; 215 ::) lib_path1=${lib}${libpath_suffix} ;; 216 *) lib_path1=${lib_path1}:${lib}${libpath_suffix} ;; 217 esac 218 fi ;; 219 esac 220 done 221 if test "${skip_lib}" = "no"; then 222 case :${lib_path1}:${lib_path2}: in 223 *:${lib}:*) ;; 224 *::) lib_path2=${lib} ;; 225 *) lib_path2=${lib_path2}:${lib} ;; 226 esac 227 fi 228 done 229 fi 230} 231 232# Always search $(tooldir)/lib, aka /usr/local/TARGET/lib when native 233# except when LIBPATH=":". 234if [ "${LIB_PATH}" != ":" ] ; then 235 libs= 236 if [ "x${TOOL_LIB}" = "x" ] ; then 237 if [ "x${NATIVE}" = "xyes" ] ; then 238 libs="${exec_prefix}/${target_alias}/lib" 239 fi 240 else 241 # For multilib'ed targets, ensure both ${target_alias}/lib${LIBPATH_SUFFIX} 242 # and ${TOOL_LIB}/lib${LIBPATH_SUFFIX} are in the default search path, 243 # because 64bit libraries may be in both places, depending on 244 # cross-development setup method (e.g.: /usr/s390x-linux/lib64 245 # vs. /usr/s390-linux/lib64) 246 for libpath_suffix in ${LIBPATH_SUFFIX}; do 247 case "${NATIVE}:${libpath_suffix}:${TOOL_LIB}" in 248 :* | *::* | *:*:*${libpath_suffix}) ;; 249 *) libs="${exec_prefix}/${target_alias}/lib${libpath_suffix}" ;; 250 esac 251 done 252 libs="${exec_prefix}/${TOOL_LIB}/lib ${libs}" 253 fi 254 #NetBSD: don't spam linker scripts like this. 255 #append_to_lib_path ${libs} 256fi 257 258if [ "x${LIB_PATH}" = "x" ] && [ "x${USE_LIBPATH}" = xyes ] ; then 259 libs=${NATIVE_LIB_DIRS} 260 if [ "x${NATIVE}" = "xyes" ] ; then 261 case " ${libs} " in 262 *" ${libdir} "*) ;; 263 *) libs="${libdir} ${libs}" ;; 264 esac 265 fi 266 append_to_lib_path ${libs} 267fi 268 269case :${lib_path1}:${lib_path2}: in 270 *:: | ::*) LIB_PATH=${lib_path1}${lib_path2} ;; 271 *) LIB_PATH=${lib_path1}:${lib_path2} ;; 272esac 273 274LIB_SEARCH_DIRS=`echo ${LIB_PATH} | sed -e 's/:/ /g' -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\\"\1\\");/g'` 275 276# We need it for testsuite. 277set $EMULATION_LIBPATH 278if [ "x$1" = "x$EMULATION_NAME" ]; then 279 test -d tmpdir || mkdir tmpdir 280 rm -f tmpdir/libpath.exp 281 echo "set libpath \"${LIB_PATH}\"" | sed -e 's/:/ /g' > tmpdir/libpath.exp 282fi 283 284if [ "x$SCRIPT_NAME" = "xelf" ]; then 285 GENERATE_COMBRELOC_SCRIPT=yes 286fi 287 288SEGMENT_SIZE=${SEGMENT_SIZE-${MAXPAGESIZE-${TARGET_PAGE_SIZE}}} 289 290# Determine DATA_ALIGNMENT for the 5 variants, using 291# values specified in the emulparams/<script_to_run>.sh file or default. 292 293DATA_ALIGNMENT_="${DATA_ALIGNMENT_-${DATA_ALIGNMENT-ALIGN(${SEGMENT_SIZE})}}" 294DATA_ALIGNMENT_n="${DATA_ALIGNMENT_n-${DATA_ALIGNMENT_}}" 295DATA_ALIGNMENT_N="${DATA_ALIGNMENT_N-${DATA_ALIGNMENT-.}}" 296DATA_ALIGNMENT_r="${DATA_ALIGNMENT_r-${DATA_ALIGNMENT-}}" 297DATA_ALIGNMENT_u="${DATA_ALIGNMENT_u-${DATA_ALIGNMENT_r}}" 298 299LD_FLAG=r 300DATA_ALIGNMENT=${DATA_ALIGNMENT_r} 301DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})" 302( echo "/* Script for -r */" 303 source_sh ${CUSTOMIZER_SCRIPT} 304 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 305) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xr 306 307LD_FLAG=u 308DATA_ALIGNMENT=${DATA_ALIGNMENT_u} 309CONSTRUCTING=" " 310( echo "/* Script for -Ur */" 311 source_sh ${CUSTOMIZER_SCRIPT} 312 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 313) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu 314 315DATA_ALIGNMENT=${DATA_ALIGNMENT_} 316RELOCATING=" " 317LD_FLAG= 318( echo "/* Default linker script, for normal executables */" 319 source_sh ${CUSTOMIZER_SCRIPT} 320 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 321) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.x 322 323LD_FLAG=textonly 324( echo "/* Script for -z separate-code */" 325 source_sh ${CUSTOMIZER_SCRIPT} 326 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 327) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xe 328 329if test -n "$GENERATE_RELRO_SCRIPT"; then 330 LD_FLAG= 331 RELRO=" " 332 ( echo "/* Script for -z relro */" 333 source_sh ${CUSTOMIZER_SCRIPT} 334 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 335 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xo 336 LD_FLAG=textonly 337 ( echo "/* Script for -z separate-code -z relro */" 338 source_sh ${CUSTOMIZER_SCRIPT} 339 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 340 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xeo 341 unset RELRO 342fi 343LD_FLAG=n 344DATA_ALIGNMENT=${DATA_ALIGNMENT_n} 345( echo "/* Script for -n */" 346 source_sh ${CUSTOMIZER_SCRIPT} 347 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 348) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xn 349 350LD_FLAG=N 351DATA_ALIGNMENT=${DATA_ALIGNMENT_N} 352( echo "/* Script for -N */" 353 source_sh ${CUSTOMIZER_SCRIPT} 354 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 355) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xbn 356 357if test -n "$GENERATE_COMBRELOC_SCRIPT"; then 358 DATA_ALIGNMENT=${DATA_ALIGNMENT_c-${DATA_ALIGNMENT_}} 359 LD_FLAG=c 360 COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp 361 ( echo "/* Script for -z combreloc */" 362 source_sh ${CUSTOMIZER_SCRIPT} 363 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 364 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xc 365 rm -f ${COMBRELOC} 366 LD_FLAG=ctextonly 367 COMBRELOC=ldscripts/${EMULATION_NAME}.xce.tmp 368 ( echo "/* Script for -z combreloc -z separate-code */" 369 source_sh ${CUSTOMIZER_SCRIPT} 370 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 371 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xce 372 rm -f ${COMBRELOC} 373 RELRO_NOW=" " 374 LD_FLAG=w 375 COMBRELOC=ldscripts/${EMULATION_NAME}.xw.tmp 376 ( echo "/* Script for -z combreloc -z relro -z now */" 377 source_sh ${CUSTOMIZER_SCRIPT} 378 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 379 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xw 380 rm -f ${COMBRELOC} 381 LD_FLAG=wtextonly 382 COMBRELOC=ldscripts/${EMULATION_NAME}.xwe.tmp 383 ( echo "/* Script for -z combreloc -z separate-code -z relro -z now */" 384 source_sh ${CUSTOMIZER_SCRIPT} 385 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 386 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xwe 387 rm -f ${COMBRELOC} 388 COMBRELOC= 389 unset RELRO_NOW 390 if test -n "$GENERATE_RELRO_SCRIPT"; then 391 LD_FLAG=c 392 RELRO=" " 393 COMBRELOC=ldscripts/${EMULATION_NAME}.xco.tmp 394 ( echo "/* Script for -z combreloc -z relro */" 395 source_sh ${CUSTOMIZER_SCRIPT} 396 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 397 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xco 398 rm -f ${COMBRELOC} 399 LD_FLAG=ctextonly 400 COMBRELOC=ldscripts/${EMULATION_NAME}.xceo.tmp 401 ( echo "/* Script for -z combreloc -z separate-code -z relro */" 402 source_sh ${CUSTOMIZER_SCRIPT} 403 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 404 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xceo 405 rm -f ${COMBRELOC} 406 COMBRELOC= 407 unset RELRO 408 fi 409fi 410 411if test -n "$GENERATE_SHLIB_SCRIPT"; then 412 DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}} 413 CREATE_SHLIB=" " 414 LD_FLAG=shared 415 ( echo "/* Script for -shared */" 416 source_sh ${CUSTOMIZER_SCRIPT} 417 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 418 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xs 419 LD_FLAG=sharedtextonly 420 ( echo "/* Script for -shared -z separate-code */" 421 source_sh ${CUSTOMIZER_SCRIPT} 422 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 423 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xse 424 425 if test -n "$GENERATE_RELRO_SCRIPT"; then 426 RELRO=" " 427 LD_FLAG=shared 428 ( echo "/* Script for -shared -z relro */" 429 source_sh ${CUSTOMIZER_SCRIPT} 430 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 431 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xso 432 LD_FLAG=sharedtextonly 433 ( echo "/* Script for -shared -z separate-code -z relro */" 434 source_sh ${CUSTOMIZER_SCRIPT} 435 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 436 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xseo 437 unset RELRO 438 fi 439 if test -n "$GENERATE_COMBRELOC_SCRIPT"; then 440 DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}} 441 LD_FLAG=cshared 442 COMBRELOC=ldscripts/${EMULATION_NAME}.xsc.tmp 443 ( echo "/* Script for -shared -z combreloc */" 444 source_sh ${CUSTOMIZER_SCRIPT} 445 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 446 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsc 447 rm -f ${COMBRELOC} 448 LD_FLAG=csharedtextonly 449 COMBRELOC=ldscripts/${EMULATION_NAME}.xsce.tmp 450 ( echo "/* Script for -shared -z combreloc -z separate-code */" 451 source_sh ${CUSTOMIZER_SCRIPT} 452 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 453 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsce 454 rm -f ${COMBRELOC} 455 RELRO_NOW=" " 456 LD_FLAG=wshared 457 COMBRELOC=ldscripts/${EMULATION_NAME}.xsw.tmp 458 ( echo "/* Script for -shared -z combreloc -z relro -z now */" 459 source_sh ${CUSTOMIZER_SCRIPT} 460 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 461 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsw 462 rm -f ${COMBRELOC} 463 LD_FLAG=wsharedtextonly 464 COMBRELOC=ldscripts/${EMULATION_NAME}.xswe.tmp 465 ( echo "/* Script for -shared -z combreloc -z separate-code -z relro -z now */" 466 source_sh ${CUSTOMIZER_SCRIPT} 467 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 468 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xswe 469 rm -f ${COMBRELOC} 470 unset RELRO_NOW 471 472 if test -n "$GENERATE_RELRO_SCRIPT"; then 473 LD_FLAG=wshared 474 RELRO=" " 475 COMBRELOC=ldscripts/${EMULATION_NAME}.xsco.tmp 476 ( echo "/* Script for -shared -z combreloc -z relro */" 477 source_sh ${CUSTOMIZER_SCRIPT} 478 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 479 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsco 480 rm -f ${COMBRELOC} 481 LD_FLAG=wsharedtextonly 482 COMBRELOC=ldscripts/${EMULATION_NAME}.xsceo.tmp 483 ( echo "/* Script for -shared -z combreloc -z separate-code -z relro */" 484 source_sh ${CUSTOMIZER_SCRIPT} 485 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 486 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsceo 487 rm -f ${COMBRELOC} 488 unset RELRO 489 fi 490 COMBRELOC= 491 fi 492 unset CREATE_SHLIB 493fi 494 495if test -n "$GENERATE_PIE_SCRIPT"; then 496 DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}} 497 CREATE_PIE=" " 498 LD_FLAG=pie 499 ( echo "/* Script for -pie */" 500 source_sh ${CUSTOMIZER_SCRIPT} 501 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 502 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xd 503 LD_FLAG=pietextonly 504 ( echo "/* Script for -pie -z separate-code */" 505 source_sh ${CUSTOMIZER_SCRIPT} 506 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 507 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xde 508 if test -n "$GENERATE_RELRO_SCRIPT"; then 509 RELRO=" " 510 LD_FLAG=pie 511 ( echo "/* Script for -pie -z relro */" 512 source_sh ${CUSTOMIZER_SCRIPT} 513 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 514 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdo 515 LD_FLAG=pietextonly 516 ( echo "/* Script for -pie -z separate-code -z relro */" 517 source_sh ${CUSTOMIZER_SCRIPT} 518 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 519 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdeo 520 unset RELRO 521 fi 522 if test -n "$GENERATE_COMBRELOC_SCRIPT"; then 523 DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}} 524 COMBRELOC=ldscripts/${EMULATION_NAME}.xdc.tmp 525 LD_FLAG=cpie 526 ( echo "/* Script for -pie -z combreloc */" 527 source_sh ${CUSTOMIZER_SCRIPT} 528 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 529 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdc 530 rm -f ${COMBRELOC} 531 LD_FLAG=cpietextonly 532 COMBRELOC=ldscripts/${EMULATION_NAME}.xdce.tmp 533 ( echo "/* Script for -pie -z combreloc -z separate-code */" 534 source_sh ${CUSTOMIZER_SCRIPT} 535 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 536 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdce 537 rm -f ${COMBRELOC} 538 RELRO_NOW=" " 539 LD_FLAG=wpie 540 COMBRELOC=ldscripts/${EMULATION_NAME}.xdw.tmp 541 ( echo "/* Script for -pie -z combreloc -z relro -z now */" 542 source_sh ${CUSTOMIZER_SCRIPT} 543 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 544 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdw 545 rm -f ${COMBRELOC} 546 LD_FLAG=wpietextonly 547 COMBRELOC=ldscripts/${EMULATION_NAME}.xdwe.tmp 548 ( echo "/* Script for -pie -z combreloc -z separate-code -z relro -z now */" 549 source_sh ${CUSTOMIZER_SCRIPT} 550 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 551 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdwe 552 rm -f ${COMBRELOC} 553 unset RELRO_NOW 554 555 if test -n "$GENERATE_RELRO_SCRIPT"; then 556 LD_FLAG=wpie 557 RELRO=" " 558 COMBRELOC=ldscripts/${EMULATION_NAME}.xdco.tmp 559 ( echo "/* Script for -pie -z combreloc -z relro */" 560 source_sh ${CUSTOMIZER_SCRIPT} 561 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 562 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdco 563 rm -f ${COMBRELOC} 564 LD_FLAG=wpietextonly 565 COMBRELOC=ldscripts/${EMULATION_NAME}.xdceo.tmp 566 ( echo "/* Script for -pie -z combreloc -z separate-code -z relro */" 567 source_sh ${CUSTOMIZER_SCRIPT} 568 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 569 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdceo 570 rm -f ${COMBRELOC} 571 572 unset RELRO 573 fi 574 COMBRELOC= 575 fi 576 unset CREATE_PIE 577fi 578 579if test -n "$GENERATE_AUTO_IMPORT_SCRIPT"; then 580 LD_FLAG=auto_import 581 DATA_ALIGNMENT=${DATA_ALIGNMENT_} 582 ( echo "/* Script for --enable-auto-import */" 583 source_sh ${CUSTOMIZER_SCRIPT} 584 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 585 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xa 586fi 587 588case "$COMPILE_IN: $EMULATION_LIBPATH " in 589 :*" ${EMULATION_NAME} "*) COMPILE_IN=yes;; 590esac 591 592# PR ld/5652: 593# Determine if the shell has support for the variable BASH_LINENO. 594# When it is the case, it is only available inside functions. 595has_lineno() 596{ 597 test "x$BASH_LINENO" != "x" 598} 599 600# Enable accruate error source in the compiler error messages, if possible. 601if has_lineno; then 602 . ${srcdir}/genscrba.sh 603else 604 source_em() 605 { 606 source_sh $1 607 } 608 fragment() 609 { 610 cat >> e${EMULATION_NAME}.c 611 } 612fi 613 614# Generate e${EMULATION_NAME}.c. 615# Start with an empty file, then the sourced .em script 616# can use the "fragment" function to append. 617> e${EMULATION_NAME}.c 618source_em ${srcdir}/emultempl/${TEMPLATE_NAME-generic}.em 619 620if test -n "${DEPDIR}"; then 621 ecdeps= 622 for dep in `cat ${DEPDIR}/e${EMULATION_NAME}.Tc`; do 623 case " $ecdeps " in 624 *" $dep "*): ;; 625 *) ecdeps="$ecdeps $dep" ;; 626 esac 627 done 628 rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc 629 echo "e${EMULATION_NAME}.c:${ecdeps}" > ${DEPDIR}/e${EMULATION_NAME}.Pc 630fi 631