1#!/bin/sh 2# genscripts.sh - generate the ld-emulation-target specific files 3# Copyright (C) 2004-2022 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 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 #NetBSD: don't spam linker scripts like this. 261 #append_to_lib_path ${libs} 262fi 263 264if [ "x${LIB_PATH}" = "x" ] && [ "x${USE_LIBPATH}" = xyes ] ; then 265 libs=${NATIVE_LIB_DIRS} 266 if [ "x${NATIVE}" = "xyes" ] ; then 267 case " ${libs} " in 268 *" ${libdir} "*) ;; 269 *) libs="${libdir} ${libs}" ;; 270 esac 271 fi 272 append_to_lib_path ${libs} 273fi 274 275case :${lib_path1}:${lib_path2}: in 276 *:: | ::*) LIB_PATH=${lib_path1}${lib_path2} ;; 277 *) LIB_PATH=${lib_path1}:${lib_path2} ;; 278esac 279 280LIB_SEARCH_DIRS=`echo ${LIB_PATH} | sed -e 's/:/ /g' -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\\"\1\\");/g'` 281 282# We need it for testsuite. 283set $EMULATION_LIBPATH 284if [ "x$1" = "x$EMULATION_NAME" ]; then 285 test -d tmpdir || mkdir tmpdir 286 rm -f tmpdir/libpath.exp 287 echo "set libpath \"${LIB_PATH}\"" | sed -e 's/:/ /g' > tmpdir/libpath.exp 288fi 289 290if [ "x$SCRIPT_NAME" = "xelf" ]; then 291 GENERATE_COMBRELOC_SCRIPT=yes 292fi 293 294SEGMENT_SIZE=${SEGMENT_SIZE-${MAXPAGESIZE-${TARGET_PAGE_SIZE}}} 295 296# Determine DATA_ALIGNMENT for the 5 variants, using 297# values specified in the emulparams/<script_to_run>.sh file or default. 298 299DATA_ALIGNMENT_="${DATA_ALIGNMENT_-${DATA_ALIGNMENT-ALIGN(${SEGMENT_SIZE})}}" 300DATA_ALIGNMENT_n="${DATA_ALIGNMENT_n-${DATA_ALIGNMENT_}}" 301DATA_ALIGNMENT_N="${DATA_ALIGNMENT_N-${DATA_ALIGNMENT-.}}" 302DATA_ALIGNMENT_r="${DATA_ALIGNMENT_r-${DATA_ALIGNMENT-}}" 303DATA_ALIGNMENT_u="${DATA_ALIGNMENT_u-${DATA_ALIGNMENT_r}}" 304 305LD_FLAG=r 306DATA_ALIGNMENT=${DATA_ALIGNMENT_r} 307DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})" 308( echo "/* Script for -r */" 309 source_sh ${CUSTOMIZER_SCRIPT} 310 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 311) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xr 312 313LD_FLAG=u 314DATA_ALIGNMENT=${DATA_ALIGNMENT_u} 315CONSTRUCTING=" " 316( echo "/* Script for -Ur */" 317 source_sh ${CUSTOMIZER_SCRIPT} 318 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 319) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu 320 321DATA_ALIGNMENT=${DATA_ALIGNMENT_} 322RELOCATING=" " 323LD_FLAG= 324( echo "/* Default linker script, for normal executables */" 325 source_sh ${CUSTOMIZER_SCRIPT} 326 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 327) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.x 328 329LD_FLAG=textonly 330( echo "/* Script for -z separate-code */" 331 source_sh ${CUSTOMIZER_SCRIPT} 332 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 333) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xe 334 335if test -n "$GENERATE_RELRO_SCRIPT"; then 336 LD_FLAG= 337 RELRO=" " 338 ( echo "/* Script for -z relro */" 339 source_sh ${CUSTOMIZER_SCRIPT} 340 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 341 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xo 342 LD_FLAG=textonly 343 ( echo "/* Script for -z separate-code -z relro */" 344 source_sh ${CUSTOMIZER_SCRIPT} 345 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 346 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xeo 347 unset RELRO 348fi 349LD_FLAG=n 350DATA_ALIGNMENT=${DATA_ALIGNMENT_n} 351( echo "/* Script for -n */" 352 source_sh ${CUSTOMIZER_SCRIPT} 353 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 354) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xn 355 356LD_FLAG=N 357DATA_ALIGNMENT=${DATA_ALIGNMENT_N} 358( echo "/* Script for -N */" 359 source_sh ${CUSTOMIZER_SCRIPT} 360 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 361) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xbn 362 363if test -n "$GENERATE_COMBRELOC_SCRIPT"; then 364 DATA_ALIGNMENT=${DATA_ALIGNMENT_c-${DATA_ALIGNMENT_}} 365 LD_FLAG=c 366 COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp 367 ( echo "/* Script for -z combreloc */" 368 source_sh ${CUSTOMIZER_SCRIPT} 369 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 370 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xc 371 rm -f ${COMBRELOC} 372 LD_FLAG=ctextonly 373 COMBRELOC=ldscripts/${EMULATION_NAME}.xce.tmp 374 ( echo "/* Script for -z combreloc -z separate-code */" 375 source_sh ${CUSTOMIZER_SCRIPT} 376 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 377 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xce 378 rm -f ${COMBRELOC} 379 RELRO_NOW=" " 380 LD_FLAG=w 381 COMBRELOC=ldscripts/${EMULATION_NAME}.xw.tmp 382 ( echo "/* Script for -z combreloc -z relro -z now */" 383 source_sh ${CUSTOMIZER_SCRIPT} 384 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 385 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xw 386 rm -f ${COMBRELOC} 387 LD_FLAG=wtextonly 388 COMBRELOC=ldscripts/${EMULATION_NAME}.xwe.tmp 389 ( echo "/* Script for -z combreloc -z separate-code -z relro -z now */" 390 source_sh ${CUSTOMIZER_SCRIPT} 391 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 392 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xwe 393 rm -f ${COMBRELOC} 394 COMBRELOC= 395 unset RELRO_NOW 396 if test -n "$GENERATE_RELRO_SCRIPT"; then 397 LD_FLAG=c 398 RELRO=" " 399 COMBRELOC=ldscripts/${EMULATION_NAME}.xco.tmp 400 ( echo "/* Script for -z combreloc -z relro */" 401 source_sh ${CUSTOMIZER_SCRIPT} 402 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 403 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xco 404 rm -f ${COMBRELOC} 405 LD_FLAG=ctextonly 406 COMBRELOC=ldscripts/${EMULATION_NAME}.xceo.tmp 407 ( echo "/* Script for -z combreloc -z separate-code -z relro */" 408 source_sh ${CUSTOMIZER_SCRIPT} 409 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 410 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xceo 411 rm -f ${COMBRELOC} 412 COMBRELOC= 413 unset RELRO 414 fi 415fi 416 417if test -n "$GENERATE_SHLIB_SCRIPT"; then 418 DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}} 419 CREATE_SHLIB=" " 420 LD_FLAG=shared 421 ( echo "/* Script for -shared */" 422 source_sh ${CUSTOMIZER_SCRIPT} 423 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 424 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xs 425 LD_FLAG=sharedtextonly 426 ( echo "/* Script for -shared -z separate-code */" 427 source_sh ${CUSTOMIZER_SCRIPT} 428 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 429 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xse 430 431 if test -n "$GENERATE_RELRO_SCRIPT"; then 432 RELRO=" " 433 LD_FLAG=shared 434 ( echo "/* Script for -shared -z relro */" 435 source_sh ${CUSTOMIZER_SCRIPT} 436 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 437 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xso 438 LD_FLAG=sharedtextonly 439 ( echo "/* Script for -shared -z separate-code -z relro */" 440 source_sh ${CUSTOMIZER_SCRIPT} 441 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 442 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xseo 443 unset RELRO 444 fi 445 if test -n "$GENERATE_COMBRELOC_SCRIPT"; then 446 DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}} 447 LD_FLAG=cshared 448 COMBRELOC=ldscripts/${EMULATION_NAME}.xsc.tmp 449 ( echo "/* Script for -shared -z combreloc */" 450 source_sh ${CUSTOMIZER_SCRIPT} 451 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 452 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsc 453 rm -f ${COMBRELOC} 454 LD_FLAG=csharedtextonly 455 COMBRELOC=ldscripts/${EMULATION_NAME}.xsce.tmp 456 ( echo "/* Script for -shared -z combreloc -z separate-code */" 457 source_sh ${CUSTOMIZER_SCRIPT} 458 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 459 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsce 460 rm -f ${COMBRELOC} 461 RELRO_NOW=" " 462 LD_FLAG=wshared 463 COMBRELOC=ldscripts/${EMULATION_NAME}.xsw.tmp 464 ( echo "/* Script for -shared -z combreloc -z relro -z now */" 465 source_sh ${CUSTOMIZER_SCRIPT} 466 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 467 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsw 468 rm -f ${COMBRELOC} 469 LD_FLAG=wsharedtextonly 470 COMBRELOC=ldscripts/${EMULATION_NAME}.xswe.tmp 471 ( echo "/* Script for -shared -z combreloc -z separate-code -z relro -z now */" 472 source_sh ${CUSTOMIZER_SCRIPT} 473 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 474 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xswe 475 rm -f ${COMBRELOC} 476 unset RELRO_NOW 477 478 if test -n "$GENERATE_RELRO_SCRIPT"; then 479 LD_FLAG=wshared 480 RELRO=" " 481 COMBRELOC=ldscripts/${EMULATION_NAME}.xsco.tmp 482 ( echo "/* Script for -shared -z combreloc -z relro */" 483 source_sh ${CUSTOMIZER_SCRIPT} 484 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 485 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsco 486 rm -f ${COMBRELOC} 487 LD_FLAG=wsharedtextonly 488 COMBRELOC=ldscripts/${EMULATION_NAME}.xsceo.tmp 489 ( echo "/* Script for -shared -z combreloc -z separate-code -z relro */" 490 source_sh ${CUSTOMIZER_SCRIPT} 491 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 492 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsceo 493 rm -f ${COMBRELOC} 494 unset RELRO 495 fi 496 COMBRELOC= 497 fi 498 unset CREATE_SHLIB 499fi 500 501if test -n "$GENERATE_PIE_SCRIPT"; then 502 DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}} 503 CREATE_PIE=" " 504 LD_FLAG=pie 505 ( echo "/* Script for -pie */" 506 source_sh ${CUSTOMIZER_SCRIPT} 507 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 508 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xd 509 LD_FLAG=pietextonly 510 ( echo "/* Script for -pie -z separate-code */" 511 source_sh ${CUSTOMIZER_SCRIPT} 512 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 513 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xde 514 if test -n "$GENERATE_RELRO_SCRIPT"; then 515 RELRO=" " 516 LD_FLAG=pie 517 ( echo "/* Script for -pie -z relro */" 518 source_sh ${CUSTOMIZER_SCRIPT} 519 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 520 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdo 521 LD_FLAG=pietextonly 522 ( echo "/* Script for -pie -z separate-code -z relro */" 523 source_sh ${CUSTOMIZER_SCRIPT} 524 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 525 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdeo 526 unset RELRO 527 fi 528 if test -n "$GENERATE_COMBRELOC_SCRIPT"; then 529 DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}} 530 COMBRELOC=ldscripts/${EMULATION_NAME}.xdc.tmp 531 LD_FLAG=cpie 532 ( echo "/* Script for -pie -z combreloc */" 533 source_sh ${CUSTOMIZER_SCRIPT} 534 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 535 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdc 536 rm -f ${COMBRELOC} 537 LD_FLAG=cpietextonly 538 COMBRELOC=ldscripts/${EMULATION_NAME}.xdce.tmp 539 ( echo "/* Script for -pie -z combreloc -z separate-code */" 540 source_sh ${CUSTOMIZER_SCRIPT} 541 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 542 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdce 543 rm -f ${COMBRELOC} 544 RELRO_NOW=" " 545 LD_FLAG=wpie 546 COMBRELOC=ldscripts/${EMULATION_NAME}.xdw.tmp 547 ( echo "/* Script for -pie -z combreloc -z relro -z now */" 548 source_sh ${CUSTOMIZER_SCRIPT} 549 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 550 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdw 551 rm -f ${COMBRELOC} 552 LD_FLAG=wpietextonly 553 COMBRELOC=ldscripts/${EMULATION_NAME}.xdwe.tmp 554 ( echo "/* Script for -pie -z combreloc -z separate-code -z relro -z now */" 555 source_sh ${CUSTOMIZER_SCRIPT} 556 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 557 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdwe 558 rm -f ${COMBRELOC} 559 unset RELRO_NOW 560 561 if test -n "$GENERATE_RELRO_SCRIPT"; then 562 LD_FLAG=wpie 563 RELRO=" " 564 COMBRELOC=ldscripts/${EMULATION_NAME}.xdco.tmp 565 ( echo "/* Script for -pie -z combreloc -z relro */" 566 source_sh ${CUSTOMIZER_SCRIPT} 567 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 568 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdco 569 rm -f ${COMBRELOC} 570 LD_FLAG=wpietextonly 571 COMBRELOC=ldscripts/${EMULATION_NAME}.xdceo.tmp 572 ( echo "/* Script for -pie -z combreloc -z separate-code -z relro */" 573 source_sh ${CUSTOMIZER_SCRIPT} 574 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 575 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdceo 576 rm -f ${COMBRELOC} 577 578 unset RELRO 579 fi 580 COMBRELOC= 581 fi 582 unset CREATE_PIE 583fi 584 585if test -n "$GENERATE_AUTO_IMPORT_SCRIPT"; then 586 LD_FLAG=auto_import 587 DATA_ALIGNMENT=${DATA_ALIGNMENT_} 588 ( echo "/* Script for --enable-auto-import */" 589 source_sh ${CUSTOMIZER_SCRIPT} 590 source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc 591 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xa 592fi 593 594case "$COMPILE_IN: $EMULATION_LIBPATH " in 595 :*" ${EMULATION_NAME} "*) COMPILE_IN=yes;; 596esac 597 598# PR ld/5652: 599# Determine if the shell has support for the variable BASH_LINENO. 600# When it is the case, it is only available inside functions. 601has_lineno() 602{ 603 test "x$BASH_LINENO" != "x" 604} 605 606# Enable accruate error source in the compiler error messages, if possible. 607if has_lineno; then 608 . ${srcdir}/genscrba.sh 609else 610 source_em() 611 { 612 source_sh $1 613 } 614 fragment() 615 { 616 cat >> e${EMULATION_NAME}.c 617 } 618fi 619 620# Generate e${EMULATION_NAME}.c. 621# Start with an empty file, then the sourced .em script 622# can use the "fragment" function to append. 623> e${EMULATION_NAME}.c 624source_em ${srcdir}/emultempl/${TEMPLATE_NAME-generic}.em 625 626if test -n "${DEPDIR}"; then 627 ecdeps= 628 for dep in `cat ${DEPDIR}/e${EMULATION_NAME}.Tc`; do 629 case " $ecdeps " in 630 *" $dep "*): ;; 631 *) ecdeps="$ecdeps $dep" ;; 632 esac 633 done 634 rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc 635 echo "e${EMULATION_NAME}.c:${ecdeps}" > ${DEPDIR}/e${EMULATION_NAME}.Pc 636fi 637