1#!/bin/sh 2# genscripts.sh - generate the ld-emulation-target specific files 3# Copyright (C) 2004-2020 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=$2 129 130source_sh() 131{ 132 if test -d "${DEPDIR}"; then 133 echo $1 >> ${DEPDIR}/e${EMULATION_NAME}.Tc 134 fi 135 . $1 136} 137 138if test -d "${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 146if test -d ldscripts; then 147 true 148else 149 mkdir ldscripts 150fi 151 152# Set some flags for the emultempl scripts. USE_LIBPATH will 153# be set for any libpath-using emulation; NATIVE will be set for a 154# libpath-using emulation where ${host} = ${target}. NATIVE 155# may already have been set by the emulparams file, but that's OK 156# (it'll just get set to "yes" twice). 157 158case " $EMULATION_LIBPATH " in 159 *" ${EMULATION_NAME} "*) 160 if [ "x${host}" = "x${target}" ] ; then 161 NATIVE=yes 162 USE_LIBPATH=yes 163 elif [ "x${use_sysroot}" = "xyes" ] ; then 164 USE_LIBPATH=yes 165 fi 166 ;; 167esac 168 169# If the emulparams file sets NATIVE, make sure USE_LIBPATH is set also. 170if test "x$NATIVE" = "xyes" ; then 171 USE_LIBPATH=yes 172fi 173 174# Set the library search path, for libraries named by -lfoo. 175# If LIB_PATH is defined (e.g., by Makefile) and non-empty, it is used. 176# Otherwise, the default is set here. 177# 178# The format is the usual list of colon-separated directories. 179# To force a logically empty LIB_PATH, do LIBPATH=":". 180# 181# If we are using a sysroot, prefix library paths with "=" to indicate this. 182# 183# If the emulparams file set LIBPATH_SUFFIX, prepend an extra copy of 184# the library path with the suffix applied. 185 186# Paths with LIBPATH_SUFFIX 187lib_path1= 188# Paths without LIBPATH_SUFFIX 189lib_path2= 190if [ "${LIB_PATH}" != ":" ] ; then 191 lib_path2=${LIB_PATH} 192fi 193 194# Add args to lib_path1 and lib_path2, discarding any duplicates 195append_to_lib_path() 196{ 197 if [ $# != 0 ]; then 198 for lib in "$@"; do 199 # The "=" is harmless if we aren't using a sysroot, but also needless. 200 if [ "x${use_sysroot}" = "xyes" ] ; then 201 lib="=${lib}" 202 fi 203 skip_lib=no 204 for libpath_suffix in ${LIBPATH_SUFFIX}; do 205 case "${lib}" in 206 *${libpath_suffix}) 207 case :${lib_path1}: in 208 *:${lib}:*) ;; 209 ::) lib_path1=${lib} ;; 210 *) lib_path1=${lib_path1}:${lib} ;; 211 esac ;; 212 *) 213 if test -n "${LIBPATH_SUFFIX_SKIP}"; then 214 case "${lib}" in 215 *${LIBPATH_SUFFIX_SKIP}) skip_lib=yes ;; 216 esac 217 fi 218 if test "${skip_lib}" = "no"; then 219 case :${lib_path1}: in 220 *:${lib}${libpath_suffix}:*) ;; 221 ::) lib_path1=${lib}${libpath_suffix} ;; 222 *) lib_path1=${lib_path1}:${lib}${libpath_suffix} ;; 223 esac 224 fi ;; 225 esac 226 done 227 if test "${skip_lib}" = "no"; then 228 case :${lib_path1}:${lib_path2}: in 229 *:${lib}:*) ;; 230 *::) lib_path2=${lib} ;; 231 *) lib_path2=${lib_path2}:${lib} ;; 232 esac 233 fi 234 done 235 fi 236} 237 238# Always search $(tooldir)/lib, aka /usr/local/TARGET/lib when native 239# except when LIBPATH=":". 240if [ "${LIB_PATH}" != ":" ] ; then 241 libs= 242 if [ "x${TOOL_LIB}" = "x" ] ; then 243 if [ "x${NATIVE}" = "xyes" ] ; then 244 libs="${exec_prefix}/${target_alias}/lib" 245 fi 246 else 247 # For multilib'ed targets, ensure both ${target_alias}/lib${LIBPATH_SUFFIX} 248 # and ${TOOL_LIB}/lib${LIBPATH_SUFFIX} are in the default search path, 249 # because 64bit libraries may be in both places, depending on 250 # cross-development setup method (e.g.: /usr/s390x-linux/lib64 251 # vs. /usr/s390-linux/lib64) 252 for libpath_suffix in ${LIBPATH_SUFFIX}; do 253 case "${NATIVE}:${libpath_suffix}:${TOOL_LIB}" in 254 :* | *::* | *:*:*${libpath_suffix}) ;; 255 *) libs="${exec_prefix}/${target_alias}/lib${libpath_suffix}" ;; 256 esac 257 done 258 libs="${exec_prefix}/${TOOL_LIB}/lib ${libs}" 259 fi 260 append_to_lib_path ${libs} 261fi 262 263if [ "x${LIB_PATH}" = "x" ] && [ "x${USE_LIBPATH}" = xyes ] ; then 264 libs=${NATIVE_LIB_DIRS} 265 if [ "x${NATIVE}" = "xyes" ] ; then 266 case " ${libs} " in 267 *" ${libdir} "*) ;; 268 *) libs="${libdir} ${libs}" ;; 269 esac 270 fi 271 append_to_lib_path ${libs} 272fi 273 274case :${lib_path1}:${lib_path2}: in 275 *:: | ::*) LIB_PATH=${lib_path1}${lib_path2} ;; 276 *) LIB_PATH=${lib_path1}:${lib_path2} ;; 277esac 278 279LIB_SEARCH_DIRS=`echo ${LIB_PATH} | sed -e 's/:/ /g' -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\\"\1\\");/g'` 280 281# We need it for testsuite. 282set $EMULATION_LIBPATH 283if [ "x$1" = "x$EMULATION_NAME" ]; then 284 test -d tmpdir || mkdir tmpdir 285 rm -f tmpdir/libpath.exp 286 echo "set libpath \"${LIB_PATH}\"" | sed -e 's/:/ /g' > tmpdir/libpath.exp 287fi 288 289if [ "x$SCRIPT_NAME" = "xelf" ]; then 290 GENERATE_COMBRELOC_SCRIPT=yes 291fi 292 293SEGMENT_SIZE=${SEGMENT_SIZE-${MAXPAGESIZE-${TARGET_PAGE_SIZE}}} 294 295# Determine DATA_ALIGNMENT for the 5 variants, using 296# values specified in the emulparams/<script_to_run>.sh file or default. 297 298DATA_ALIGNMENT_="${DATA_ALIGNMENT_-${DATA_ALIGNMENT-ALIGN(${SEGMENT_SIZE})}}" 299DATA_ALIGNMENT_n="${DATA_ALIGNMENT_n-${DATA_ALIGNMENT_}}" 300DATA_ALIGNMENT_N="${DATA_ALIGNMENT_N-${DATA_ALIGNMENT-.}}" 301DATA_ALIGNMENT_r="${DATA_ALIGNMENT_r-${DATA_ALIGNMENT-}}" 302DATA_ALIGNMENT_u="${DATA_ALIGNMENT_u-${DATA_ALIGNMENT_r}}" 303 304LD_FLAG=r 305DATA_ALIGNMENT=${DATA_ALIGNMENT_r} 306DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})" 307( echo "/* Script for -r */" 308 source_sh ${CUSTOMIZER_SCRIPT} 309 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 310) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xr 311 312LD_FLAG=u 313DATA_ALIGNMENT=${DATA_ALIGNMENT_u} 314CONSTRUCTING=" " 315( echo "/* Script for -Ur */" 316 source_sh ${CUSTOMIZER_SCRIPT} 317 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 318) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu 319 320DATA_ALIGNMENT=${DATA_ALIGNMENT_} 321RELOCATING=" " 322LD_FLAG= 323( echo "/* Default linker script, for normal executables */" 324 source_sh ${CUSTOMIZER_SCRIPT} 325 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 326) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.x 327 328LD_FLAG=textonly 329( echo "/* Script for -z separate-code */" 330 source_sh ${CUSTOMIZER_SCRIPT} 331 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 332) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xe 333 334if test -n "$GENERATE_RELRO_SCRIPT"; then 335 LD_FLAG= 336 RELRO=" " 337 ( echo "/* Script for -z relro */" 338 source_sh ${CUSTOMIZER_SCRIPT} 339 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 340 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xo 341 LD_FLAG=textonly 342 ( echo "/* Script for -z separate-code -z relro */" 343 source_sh ${CUSTOMIZER_SCRIPT} 344 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 345 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xeo 346 unset RELRO 347fi 348LD_FLAG=n 349DATA_ALIGNMENT=${DATA_ALIGNMENT_n} 350( echo "/* Script for -n */" 351 source_sh ${CUSTOMIZER_SCRIPT} 352 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 353) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xn 354 355LD_FLAG=N 356DATA_ALIGNMENT=${DATA_ALIGNMENT_N} 357( echo "/* Script for -N */" 358 source_sh ${CUSTOMIZER_SCRIPT} 359 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 360) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xbn 361 362if test -n "$GENERATE_COMBRELOC_SCRIPT"; then 363 DATA_ALIGNMENT=${DATA_ALIGNMENT_c-${DATA_ALIGNMENT_}} 364 LD_FLAG=c 365 COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp 366 ( echo "/* Script for -z combreloc */" 367 source_sh ${CUSTOMIZER_SCRIPT} 368 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 369 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xc 370 rm -f ${COMBRELOC} 371 LD_FLAG=ctextonly 372 COMBRELOC=ldscripts/${EMULATION_NAME}.xce.tmp 373 ( echo "/* Script for -z combreloc -z separate-code */" 374 source_sh ${CUSTOMIZER_SCRIPT} 375 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 376 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xce 377 rm -f ${COMBRELOC} 378 RELRO_NOW=" " 379 LD_FLAG=w 380 COMBRELOC=ldscripts/${EMULATION_NAME}.xw.tmp 381 ( echo "/* Script for -z combreloc -z relro -z now */" 382 source_sh ${CUSTOMIZER_SCRIPT} 383 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 384 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xw 385 rm -f ${COMBRELOC} 386 LD_FLAG=wtextonly 387 COMBRELOC=ldscripts/${EMULATION_NAME}.xwe.tmp 388 ( echo "/* Script for -z combreloc -z separate-code -z relro -z now */" 389 source_sh ${CUSTOMIZER_SCRIPT} 390 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 391 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xwe 392 rm -f ${COMBRELOC} 393 COMBRELOC= 394 unset RELRO_NOW 395 if test -n "$GENERATE_RELRO_SCRIPT"; then 396 LD_FLAG=c 397 RELRO=" " 398 COMBRELOC=ldscripts/${EMULATION_NAME}.xco.tmp 399 ( echo "/* Script for -z combreloc -z relro */" 400 source_sh ${CUSTOMIZER_SCRIPT} 401 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 402 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xco 403 rm -f ${COMBRELOC} 404 LD_FLAG=ctextonly 405 COMBRELOC=ldscripts/${EMULATION_NAME}.xceo.tmp 406 ( echo "/* Script for -z combreloc -z separate-code -z relro */" 407 source_sh ${CUSTOMIZER_SCRIPT} 408 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 409 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xceo 410 rm -f ${COMBRELOC} 411 COMBRELOC= 412 unset RELRO 413 fi 414fi 415 416if test -n "$GENERATE_SHLIB_SCRIPT"; then 417 DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}} 418 CREATE_SHLIB=" " 419 LD_FLAG=shared 420 ( echo "/* Script for -shared */" 421 source_sh ${CUSTOMIZER_SCRIPT} 422 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 423 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xs 424 LD_FLAG=sharedtextonly 425 ( echo "/* Script for -shared -z separate-code */" 426 source_sh ${CUSTOMIZER_SCRIPT} 427 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 428 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xse 429 430 if test -n "$GENERATE_RELRO_SCRIPT"; then 431 RELRO=" " 432 LD_FLAG=shared 433 ( echo "/* Script for -shared -z relro */" 434 source_sh ${CUSTOMIZER_SCRIPT} 435 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 436 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xso 437 LD_FLAG=sharedtextonly 438 ( echo "/* Script for -shared -z separate-code -z relro */" 439 source_sh ${CUSTOMIZER_SCRIPT} 440 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 441 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xseo 442 unset RELRO 443 fi 444 if test -n "$GENERATE_COMBRELOC_SCRIPT"; then 445 DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}} 446 LD_FLAG=cshared 447 COMBRELOC=ldscripts/${EMULATION_NAME}.xsc.tmp 448 ( echo "/* Script for -shared -z combreloc */" 449 source_sh ${CUSTOMIZER_SCRIPT} 450 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 451 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsc 452 rm -f ${COMBRELOC} 453 LD_FLAG=csharedtextonly 454 COMBRELOC=ldscripts/${EMULATION_NAME}.xsce.tmp 455 ( echo "/* Script for -shared -z combreloc -z separate-code */" 456 source_sh ${CUSTOMIZER_SCRIPT} 457 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 458 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsce 459 rm -f ${COMBRELOC} 460 RELRO_NOW=" " 461 LD_FLAG=wshared 462 COMBRELOC=ldscripts/${EMULATION_NAME}.xsw.tmp 463 ( echo "/* Script for -shared -z combreloc -z relro -z now */" 464 source_sh ${CUSTOMIZER_SCRIPT} 465 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 466 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsw 467 rm -f ${COMBRELOC} 468 LD_FLAG=wsharedtextonly 469 COMBRELOC=ldscripts/${EMULATION_NAME}.xswe.tmp 470 ( echo "/* Script for -shared -z combreloc -z separate-code -z relro -z now */" 471 source_sh ${CUSTOMIZER_SCRIPT} 472 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 473 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xswe 474 rm -f ${COMBRELOC} 475 unset RELRO_NOW 476 477 if test -n "$GENERATE_RELRO_SCRIPT"; then 478 LD_FLAG=wshared 479 RELRO=" " 480 COMBRELOC=ldscripts/${EMULATION_NAME}.xsco.tmp 481 ( echo "/* Script for -shared -z combreloc -z relro */" 482 source_sh ${CUSTOMIZER_SCRIPT} 483 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 484 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsco 485 rm -f ${COMBRELOC} 486 LD_FLAG=wsharedtextonly 487 COMBRELOC=ldscripts/${EMULATION_NAME}.xsceo.tmp 488 ( echo "/* Script for -shared -z combreloc -z separate-code -z relro */" 489 source_sh ${CUSTOMIZER_SCRIPT} 490 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 491 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsceo 492 rm -f ${COMBRELOC} 493 unset RELRO 494 fi 495 COMBRELOC= 496 fi 497 unset CREATE_SHLIB 498fi 499 500if test -n "$GENERATE_PIE_SCRIPT"; then 501 DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}} 502 CREATE_PIE=" " 503 LD_FLAG=pie 504 ( echo "/* Script for -pie */" 505 source_sh ${CUSTOMIZER_SCRIPT} 506 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 507 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xd 508 LD_FLAG=pietextonly 509 ( echo "/* Script for -pie -z separate-code */" 510 source_sh ${CUSTOMIZER_SCRIPT} 511 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 512 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xde 513 if test -n "$GENERATE_RELRO_SCRIPT"; then 514 RELRO=" " 515 LD_FLAG=pie 516 ( echo "/* Script for -pie -z relro */" 517 source_sh ${CUSTOMIZER_SCRIPT} 518 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 519 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdo 520 LD_FLAG=pietextonly 521 ( echo "/* Script for -pie -z separate-code -z relro */" 522 source_sh ${CUSTOMIZER_SCRIPT} 523 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 524 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdeo 525 unset RELRO 526 fi 527 if test -n "$GENERATE_COMBRELOC_SCRIPT"; then 528 DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}} 529 COMBRELOC=ldscripts/${EMULATION_NAME}.xdc.tmp 530 LD_FLAG=cpie 531 ( echo "/* Script for -pie -z combreloc */" 532 source_sh ${CUSTOMIZER_SCRIPT} 533 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 534 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdc 535 rm -f ${COMBRELOC} 536 LD_FLAG=cpietextonly 537 COMBRELOC=ldscripts/${EMULATION_NAME}.xdce.tmp 538 ( echo "/* Script for -pie -z combreloc -z separate-code */" 539 source_sh ${CUSTOMIZER_SCRIPT} 540 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 541 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdce 542 rm -f ${COMBRELOC} 543 RELRO_NOW=" " 544 LD_FLAG=wpie 545 COMBRELOC=ldscripts/${EMULATION_NAME}.xdw.tmp 546 ( echo "/* Script for -pie -z combreloc -z relro -z now */" 547 source_sh ${CUSTOMIZER_SCRIPT} 548 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 549 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdw 550 rm -f ${COMBRELOC} 551 LD_FLAG=wpietextonly 552 COMBRELOC=ldscripts/${EMULATION_NAME}.xdwe.tmp 553 ( echo "/* Script for -pie -z combreloc -z separate-code -z relro -z now */" 554 source_sh ${CUSTOMIZER_SCRIPT} 555 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 556 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdwe 557 rm -f ${COMBRELOC} 558 unset RELRO_NOW 559 560 if test -n "$GENERATE_RELRO_SCRIPT"; then 561 LD_FLAG=wpie 562 RELRO=" " 563 COMBRELOC=ldscripts/${EMULATION_NAME}.xdco.tmp 564 ( echo "/* Script for -pie -z combreloc -z relro */" 565 source_sh ${CUSTOMIZER_SCRIPT} 566 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 567 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdco 568 rm -f ${COMBRELOC} 569 LD_FLAG=wpietextonly 570 COMBRELOC=ldscripts/${EMULATION_NAME}.xdceo.tmp 571 ( echo "/* Script for -pie -z combreloc -z separate-code -z relro */" 572 source_sh ${CUSTOMIZER_SCRIPT} 573 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 574 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdceo 575 rm -f ${COMBRELOC} 576 577 unset RELRO 578 fi 579 COMBRELOC= 580 fi 581 unset CREATE_PIE 582fi 583 584if test -n "$GENERATE_AUTO_IMPORT_SCRIPT"; then 585 LD_FLAG=auto_import 586 DATA_ALIGNMENT=${DATA_ALIGNMENT_} 587 ( echo "/* Script for --enable-auto-import */" 588 source_sh ${CUSTOMIZER_SCRIPT} 589 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 590 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xa 591fi 592 593case "$COMPILE_IN: $EMULATION_LIBPATH " in 594 :*" ${EMULATION_NAME} "*) COMPILE_IN=yes;; 595esac 596 597# PR ld/5652: 598# Determine if the shell has support for the variable BASH_LINENO. 599# When it is the case, it is only available inside functions. 600has_lineno() 601{ 602 test "x$BASH_LINENO" != "x" 603} 604 605# Enable accruate error source in the compiler error messages, if possible. 606if has_lineno; then 607 . ${srcdir}/genscrba.sh 608else 609 source_em() 610 { 611 source_sh $1 612 } 613 fragment() 614 { 615 cat >> e${EMULATION_NAME}.c 616 } 617fi 618 619# Generate e${EMULATION_NAME}.c. 620# Start with an empty file, then the sourced .em script 621# can use the "fragment" function to append. 622> e${EMULATION_NAME}.c 623source_em ${srcdir}/emultempl/${TEMPLATE_NAME-generic}.em 624 625if test -d "${DEPDIR}"; then 626 ecdeps= 627 for dep in `cat ${DEPDIR}/e${EMULATION_NAME}.Tc`; do 628 case " $ecdeps " in 629 *" $dep "*): ;; 630 *) ecdeps="$ecdeps $dep" ;; 631 esac 632 done 633 rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc 634 echo "e${EMULATION_NAME}.c:${ecdeps}" > ${DEPDIR}/e${EMULATION_NAME}.Pc 635fi 636