1# Copyright (C) 2014-2016 Free Software Foundation, Inc. 2# 3# Copying and distribution of this file, with or without modification, 4# are permitted in any medium without royalty provided the copyright 5# notice and this notice are preserved. 6# 7# Unusual variables checked by this code: 8# NOP - four byte opcode for no-op (defaults to 0) 9# NO_SMALL_DATA - no .sbss/.sbss2/.sdata/.sdata2 sections if not 10# empty. 11# SMALL_DATA_CTOR - .ctors contains small data. 12# SMALL_DATA_DTOR - .dtors contains small data. 13# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start 14# INITIAL_READONLY_SECTIONS - at start of text segment 15# OTHER_READONLY_SECTIONS - other than .text .init .rodata ... 16# (e.g., .PARISC.milli) 17# OTHER_TEXT_SECTIONS - these get put in .text when relocating 18# OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ... 19# (e.g., .PARISC.global) 20# OTHER_RELRO_SECTIONS - other than .data.rel.ro ... 21# (e.g. PPC32 .fixup, .got[12]) 22# OTHER_BSS_SECTIONS - other than .bss .sbss ... 23# ATTRS_SECTIONS - at the end 24# OTHER_SECTIONS - at the end 25# EXECUTABLE_SYMBOLS - symbols that must be defined for an 26# executable (e.g., _DYNAMIC_LINK) 27# TEXT_START_ADDR - the first byte of the text segment, after any 28# headers. 29# TEXT_BASE_ADDRESS - the first byte of the text segment. 30# TEXT_START_SYMBOLS - symbols that appear at the start of the 31# .text section. 32# DATA_START_SYMBOLS - symbols that appear at the start of the 33# .data section. 34# DATA_END_SYMBOLS - symbols that appear at the end of the 35# writeable data sections. 36# OTHER_GOT_SYMBOLS - symbols defined just before .got. 37# OTHER_GOT_SECTIONS - sections just after .got. 38# OTHER_SDATA_SECTIONS - sections just after .sdata. 39# OTHER_BSS_SYMBOLS - symbols that appear at the start of the 40# .bss section besides __bss_start. 41# DATA_PLT - .plt should be in data segment, not text segment. 42# PLT_BEFORE_GOT - .plt just before .got when .plt is in data segement. 43# BSS_PLT - .plt should be in bss segment 44# NO_REL_RELOCS - Don't include .rel.* sections in script 45# NO_RELA_RELOCS - Don't include .rela.* sections in script 46# NON_ALLOC_DYN - Place dynamic sections after data segment. 47# TEXT_DYNAMIC - .dynamic in text segment, not data segment. 48# EMBEDDED - whether this is for an embedded system. 49# SHLIB_TEXT_START_ADDR - if set, add to SIZEOF_HEADERS to set 50# start address of shared library. 51# INPUT_FILES - INPUT command of files to always include 52# WRITABLE_RODATA - if set, the .rodata section should be writable 53# INIT_START, INIT_END - statements just before and just after 54# combination of .init sections. 55# FINI_START, FINI_END - statements just before and just after 56# combination of .fini sections. 57# STACK_ADDR - start of a .stack section. 58# OTHER_SYMBOLS - symbols to place right at the end of the script. 59# ETEXT_NAME - name of a symbol for the end of the text section, 60# normally etext. 61# SEPARATE_GOTPLT - if set, .got.plt should be separate output section, 62# so that .got can be in the RELRO area. It should be set to 63# the number of bytes in the beginning of .got.plt which can be 64# in the RELRO area as well. 65# USER_LABEL_PREFIX - prefix to add to user-visible symbols. 66# 67# When adding sections, do note that the names of some sections are used 68# when specifying the start address of the next. 69# 70 71# Many sections come in three flavours. There is the 'real' section, 72# like ".data". Then there are the per-procedure or per-variable 73# sections, generated by -ffunction-sections and -fdata-sections in GCC, 74# and useful for --gc-sections, which for a variable "foo" might be 75# ".data.foo". Then there are the linkonce sections, for which the linker 76# eliminates duplicates, which are named like ".gnu.linkonce.d.foo". 77# The exact correspondences are: 78# 79# Section Linkonce section 80# .text .gnu.linkonce.t.foo 81# .rodata .gnu.linkonce.r.foo 82# .data .gnu.linkonce.d.foo 83# .bss .gnu.linkonce.b.foo 84# .sdata .gnu.linkonce.s.foo 85# .sbss .gnu.linkonce.sb.foo 86# .sdata2 .gnu.linkonce.s2.foo 87# .sbss2 .gnu.linkonce.sb2.foo 88# .debug_info .gnu.linkonce.wi.foo 89# .tdata .gnu.linkonce.td.foo 90# .tbss .gnu.linkonce.tb.foo 91# .lrodata .gnu.linkonce.lr.foo 92# .ldata .gnu.linkonce.l.foo 93# .lbss .gnu.linkonce.lb.foo 94# 95# plus exception-handling information for Tensilica's XCC compiler: 96# .xt_except_table .gnu.linkonce.e.foo 97# .xt_except_desc .gnu.linkonce.h.foo 98# 99# plus Xtensa-specific literal sections: 100# .literal .gnu.linkonce.literal.foo 101# .lit4 .gnu.linkonce.lit4.foo 102# 103# plus Xtensa-specific "property table" sections: 104# .xt.lit .gnu.linkonce.p.foo 105# .xt.insn .gnu.linkonce.x.foo (obsolete) 106# .xt.prop .gnu.linkonce.prop.foo 107# 108# Each of these can also have corresponding .rel.* and .rela.* sections. 109 110test -z "$ENTRY" && ENTRY=_start 111test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT} 112test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT} 113if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi 114test -z "${ELFSIZE}" && ELFSIZE=32 115test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8" 116test "$LD_FLAG" = "N" && DATA_ADDR=. 117test -z "${ETEXT_NAME}" && ETEXT_NAME=etext 118test -n "$CREATE_SHLIB$CREATE_PIE" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE="" 119test -z "$CREATE_SHLIB$CREATE_PIE" && test -n "$DATA_ADDR" && COMMONPAGESIZE="" 120test -n "$RELRO_NOW" && unset SEPARATE_GOTPLT 121test -z "$ATTRS_SECTIONS" && ATTRS_SECTIONS=".gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }" 122DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" 123DATA_SEGMENT_RELRO_END="" 124DATA_SEGMENT_END="" 125if test -n "${COMMONPAGESIZE}"; then 126 DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})" 127 DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);" 128 DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (${SEPARATE_GOTPLT-0}, .);" 129fi 130if test -z "${INITIAL_READONLY_SECTIONS}${CREATE_SHLIB}"; then 131 INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }" 132fi 133if test -z "$PLT"; then 134 PLT=".plt ${RELOCATING-0} : { *(.plt) }" 135fi 136test -n "${DATA_PLT-${BSS_PLT-text}}" && TEXT_PLT=yes 137if test -z "$GOT"; then 138 if test -z "$SEPARATE_GOTPLT"; then 139 GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) }" 140 else 141 GOT=".got ${RELOCATING-0} : { *(.got) }" 142 GOTPLT=".got.plt ${RELOCATING-0} : { *(.got.plt) }" 143 fi 144fi 145DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" 146RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" 147DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" 148DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" 149INIT_LIT=".init.literal 0 : { *(.init.literal) }" 150INIT=".init 0 : { *(.init) }" 151FINI_LIT=".fini.literal 0 : { *(.fini.literal) }" 152FINI=".fini 0 : { *(.fini) }" 153if test -z "${NO_SMALL_DATA}"; then 154 SBSS=".sbss ${RELOCATING-0} : 155 { 156 ${RELOCATING+${SBSS_START_SYMBOLS}} 157 ${CREATE_SHLIB+*(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)} 158 *(.dynsbss) 159 *(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*}) 160 *(.scommon) 161 ${RELOCATING+${SBSS_END_SYMBOLS}} 162 }" 163 SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .gnu.linkonce.sb2.*}) }" 164 SDATA="/* We want the small data sections together, so single-instruction offsets 165 can access them all, and initialized data all before uninitialized, so 166 we can shorten the on-disk segment size. */ 167 .sdata ${RELOCATING-0} : 168 { 169 ${RELOCATING+${SDATA_START_SYMBOLS}} 170 ${CREATE_SHLIB+*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)} 171 *(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*}) 172 }" 173 SDATA2=".sdata2 ${RELOCATING-0} : 174 { 175 ${RELOCATING+${SDATA2_START_SYMBOLS}} 176 *(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*}) 177 }" 178 REL_SDATA=".rel.sdata ${RELOCATING-0} : { *(.rel.sdata${RELOCATING+ .rel.sdata.* .rel.gnu.linkonce.s.*}) } 179 .rela.sdata ${RELOCATING-0} : { *(.rela.sdata${RELOCATING+ .rela.sdata.* .rela.gnu.linkonce.s.*}) }" 180 REL_SBSS=".rel.sbss ${RELOCATING-0} : { *(.rel.sbss${RELOCATING+ .rel.sbss.* .rel.gnu.linkonce.sb.*}) } 181 .rela.sbss ${RELOCATING-0} : { *(.rela.sbss${RELOCATING+ .rela.sbss.* .rela.gnu.linkonce.sb.*}) }" 182 REL_SDATA2=".rel.sdata2 ${RELOCATING-0} : { *(.rel.sdata2${RELOCATING+ .rel.sdata2.* .rel.gnu.linkonce.s2.*}) } 183 .rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2${RELOCATING+ .rela.sdata2.* .rela.gnu.linkonce.s2.*}) }" 184 REL_SBSS2=".rel.sbss2 ${RELOCATING-0} : { *(.rel.sbss2${RELOCATING+ .rel.sbss2.* .rel.gnu.linkonce.sb2.*}) } 185 .rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2${RELOCATING+ .rela.sbss2.* .rela.gnu.linkonce.sb2.*}) }" 186else 187 NO_SMALL_DATA=" " 188fi 189if test -z "${DATA_GOT}"; then 190 if test -n "${NO_SMALL_DATA}"; then 191 DATA_GOT=" " 192 fi 193fi 194if test -z "${SDATA_GOT}"; then 195 if test -z "${NO_SMALL_DATA}"; then 196 SDATA_GOT=" " 197 fi 198fi 199test -n "$SEPARATE_GOTPLT" && SEPARATE_GOTPLT=" " 200test "${LARGE_SECTIONS}" = "yes" && REL_LARGE=" 201 .rel.ldata ${RELOCATING-0} : { *(.rel.ldata${RELOCATING+ .rel.ldata.* .rel.gnu.linkonce.l.*}) } 202 .rela.ldata ${RELOCATING-0} : { *(.rela.ldata${RELOCATING+ .rela.ldata.* .rela.gnu.linkonce.l.*}) } 203 .rel.lbss ${RELOCATING-0} : { *(.rel.lbss${RELOCATING+ .rel.lbss.* .rel.gnu.linkonce.lb.*}) } 204 .rela.lbss ${RELOCATING-0} : { *(.rela.lbss${RELOCATING+ .rela.lbss.* .rela.gnu.linkonce.lb.*}) } 205 .rel.lrodata ${RELOCATING-0} : { *(.rel.lrodata${RELOCATING+ .rel.lrodata.* .rel.gnu.linkonce.lr.*}) } 206 .rela.lrodata ${RELOCATING-0} : { *(.rela.lrodata${RELOCATING+ .rela.lrodata.* .rela.gnu.linkonce.lr.*}) }" 207test "${LARGE_SECTIONS}" = "yes" && OTHER_BSS_SECTIONS=" 208 ${OTHER_BSS_SECTIONS} 209 .lbss ${RELOCATING-0} : 210 { 211 *(.dynlbss) 212 *(.lbss${RELOCATING+ .lbss.* .gnu.linkonce.lb.*}) 213 *(LARGE_COMMON) 214 }" 215test "${LARGE_SECTIONS}" = "yes" && LARGE_SECTIONS=" 216 .lrodata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} : 217 { 218 *(.lrodata${RELOCATING+ .lrodata.* .gnu.linkonce.lr.*}) 219 } 220 .ldata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} : 221 { 222 *(.ldata${RELOCATING+ .ldata.* .gnu.linkonce.l.*}) 223 ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);} 224 }" 225INIT_ARRAY=".init_array ${RELOCATING-0} : 226 { 227 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_start = .);}} 228 KEEP (*(SORT(.init_array.*))) 229 KEEP (*(.init_array)) 230 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_end = .);}} 231 }" 232FINI_ARRAY=".fini_array ${RELOCATING-0} : 233 { 234 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_start = .);}} 235 KEEP (*(SORT(.fini_array.*))) 236 KEEP (*(.fini_array)) 237 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_end = .);}} 238 }" 239CTOR=".ctors ${CONSTRUCTING-0} : 240 { 241 ${CONSTRUCTING+${CTOR_START}} 242 /* gcc uses crtbegin.o to find the start of 243 the constructors, so we make sure it is 244 first. Because this is a wildcard, it 245 doesn't matter if the user does not 246 actually link against crtbegin.o; the 247 linker won't look for a file to match a 248 wildcard. The wildcard also means that it 249 doesn't matter which directory crtbegin.o 250 is in. */ 251 252 KEEP (*crtbegin.o(.ctors)) 253 KEEP (*crtbegin?.o(.ctors)) 254 255 /* We don't want to include the .ctor section from 256 the crtend.o file until after the sorted ctors. 257 The .ctor section from the crtend file contains the 258 end of ctors marker and it must be last */ 259 260 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors)) 261 KEEP (*(SORT(.ctors.*))) 262 KEEP (*(.ctors)) 263 ${CONSTRUCTING+${CTOR_END}} 264 }" 265DTOR=".dtors ${CONSTRUCTING-0} : 266 { 267 ${CONSTRUCTING+${DTOR_START}} 268 KEEP (*crtbegin.o(.dtors)) 269 KEEP (*crtbegin?.o(.dtors)) 270 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors)) 271 KEEP (*(SORT(.dtors.*))) 272 KEEP (*(.dtors)) 273 ${CONSTRUCTING+${DTOR_END}} 274 }" 275STACK=" .stack ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} : 276 { 277 ${RELOCATING+_stack = .;} 278 *(.stack) 279 }" 280 281# If this is for an embedded system, don't add SIZEOF_HEADERS. 282if [ -z "$EMBEDDED" ]; then 283 test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR} + SIZEOF_HEADERS" 284else 285 test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}" 286fi 287 288cat <<EOF 289/* Copyright (C) 2014-2016 Free Software Foundation, Inc. 290 291 Copying and distribution of this script, with or without modification, 292 are permitted in any medium without royalty provided the copyright 293 notice and this notice are preserved. */ 294 295${RELOCATING+ENTRY(${ENTRY})} 296 297${RELOCATING+${LIB_SEARCH_DIRS}} 298${RELOCATING+${EXECUTABLE_SYMBOLS}} 299${RELOCATING+${INPUT_FILES}} 300${RELOCATING- /* For some reason, the Solaris linker makes bad executables 301 if gld -r is used and the intermediate file has sections starting 302 at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld 303 bug. But for now assigning the zero vmas works. */} 304 305SECTIONS 306{ 307 /* Read-only sections, merged into text segment: */ 308 ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+PROVIDE (__executable_start = ${TEXT_START_ADDR}); . = ${TEXT_BASE_ADDRESS};}}} 309 ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}} 310 ${CREATE_PIE+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}} 311 ${INITIAL_READONLY_SECTIONS} 312 .note.gnu.build-id : { *(.note.gnu.build-id) } 313EOF 314 315test -n "${RELOCATING+0}" || unset NON_ALLOC_DYN 316test -z "${NON_ALLOC_DYN}" || TEXT_DYNAMIC= 317cat > ldscripts/dyntmp.$$ <<EOF 318 ${TEXT_DYNAMIC+${DYNAMIC}} 319 .hash ${RELOCATING-0} : { *(.hash) } 320 .gnu.hash ${RELOCATING-0} : { *(.gnu.hash) } 321 .dynsym ${RELOCATING-0} : { *(.dynsym) } 322 .dynstr ${RELOCATING-0} : { *(.dynstr) } 323 .gnu.version ${RELOCATING-0} : { *(.gnu.version) } 324 .gnu.version_d ${RELOCATING-0}: { *(.gnu.version_d) } 325 .gnu.version_r ${RELOCATING-0}: { *(.gnu.version_r) } 326EOF 327 328if [ "x$COMBRELOC" = x ]; then 329 COMBRELOCCAT="cat >> ldscripts/dyntmp.$$" 330else 331 COMBRELOCCAT="cat > $COMBRELOC" 332fi 333eval $COMBRELOCCAT <<EOF 334 .rel.init ${RELOCATING-0} : { *(.rel.init) } 335 .rela.init ${RELOCATING-0} : { *(.rela.init) } 336 .rel.text ${RELOCATING-0} : { *(.rel.text${RELOCATING+ .rel.text.* .rel.gnu.linkonce.t.*}) } 337 .rela.text ${RELOCATING-0} : { *(.rela.text${RELOCATING+ .rela.text.* .rela.gnu.linkonce.t.*}) } 338 .rel.fini ${RELOCATING-0} : { *(.rel.fini) } 339 .rela.fini ${RELOCATING-0} : { *(.rela.fini) } 340 .rel.rodata ${RELOCATING-0} : { *(.rel.rodata${RELOCATING+ .rel.rodata.* .rel.gnu.linkonce.r.*}) } 341 .rela.rodata ${RELOCATING-0} : { *(.rela.rodata${RELOCATING+ .rela.rodata.* .rela.gnu.linkonce.r.*}) } 342 ${OTHER_READONLY_RELOC_SECTIONS} 343 .rel.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+ .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*}) } 344 .rela.data.rel.ro ${RELOCATING-0} : { *(.rela.data.rel.ro${RELOCATING+ .rela.data.rel.ro.* .rela.gnu.linkonce.d.rel.ro.*}) } 345 .rel.data ${RELOCATING-0} : { *(.rel.data${RELOCATING+ .rel.data.* .rel.gnu.linkonce.d.*}) } 346 .rela.data ${RELOCATING-0} : { *(.rela.data${RELOCATING+ .rela.data.* .rela.gnu.linkonce.d.*}) } 347 .rel.tdata ${RELOCATING-0} : { *(.rel.tdata${RELOCATING+ .rel.tdata.* .rel.gnu.linkonce.td.*}) } 348 .rela.tdata ${RELOCATING-0} : { *(.rela.tdata${RELOCATING+ .rela.tdata.* .rela.gnu.linkonce.td.*}) } 349 .rel.tbss ${RELOCATING-0} : { *(.rel.tbss${RELOCATING+ .rel.tbss.* .rel.gnu.linkonce.tb.*}) } 350 .rela.tbss ${RELOCATING-0} : { *(.rela.tbss${RELOCATING+ .rela.tbss.* .rela.gnu.linkonce.tb.*}) } 351 .rel.ctors ${RELOCATING-0} : { *(.rel.ctors) } 352 .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) } 353 .rel.dtors ${RELOCATING-0} : { *(.rel.dtors) } 354 .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) } 355 .rel.got ${RELOCATING-0} : { *(.rel.got) } 356 .rela.got ${RELOCATING-0} : { *(.rela.got) } 357 ${OTHER_GOT_RELOC_SECTIONS} 358 ${REL_SDATA} 359 ${REL_SBSS} 360 ${REL_SDATA2} 361 ${REL_SBSS2} 362 .rel.bss ${RELOCATING-0} : { *(.rel.bss${RELOCATING+ .rel.bss.* .rel.gnu.linkonce.b.*}) } 363 .rela.bss ${RELOCATING-0} : { *(.rela.bss${RELOCATING+ .rela.bss.* .rela.gnu.linkonce.b.*}) } 364 ${REL_LARGE} 365EOF 366 367if [ -n "$COMBRELOC" ]; then 368cat >> ldscripts/dyntmp.$$ <<EOF 369 .rel.dyn ${RELOCATING-0} : 370 { 371EOF 372sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$ 373cat >> ldscripts/dyntmp.$$ <<EOF 374 } 375 .rela.dyn ${RELOCATING-0} : 376 { 377EOF 378sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$ 379cat >> ldscripts/dyntmp.$$ <<EOF 380 } 381EOF 382fi 383 384cat >> ldscripts/dyntmp.$$ <<EOF 385 .rel.plt ${RELOCATING-0} : { *(.rel.plt) } 386 .rela.plt ${RELOCATING-0} : { *(.rela.plt) } 387 ${OTHER_PLT_RELOC_SECTIONS} 388EOF 389 390if test -z "${NON_ALLOC_DYN}"; then 391 if test -z "${NO_REL_RELOCS}${NO_RELA_RELOCS}"; then 392 cat ldscripts/dyntmp.$$ 393 else 394 if test -z "${NO_REL_RELOCS}"; then 395 sed -e '/^[ ]*\.rela\.[^}]*$/,/}/d' -e '/^[ ]*\.rela\./d' ldscripts/dyntmp.$$ 396 fi 397 if test -z "${NO_RELA_RELOCS}"; then 398 sed -e '/^[ ]*\.rel\.[^}]*$/,/}/d' -e '/^[ ]*\.rel\./d' ldscripts/dyntmp.$$ 399 fi 400 fi 401 rm -f ldscripts/dyntmp.$$ 402fi 403 404cat <<EOF 405 ${RELOCATING-$INIT_LIT} 406 ${RELOCATING-$INIT} 407 408 ${TEXT_PLT+${PLT}} 409 ${TINY_READONLY_SECTION} 410 .text ${RELOCATING-0} : 411 { 412 *(.got.plt* .plt*) 413 414 ${RELOCATING+${INIT_START}} 415 ${RELOCATING+KEEP (*(.init.literal))} 416 ${RELOCATING+KEEP (*(SORT_NONE(.init)))} 417 ${RELOCATING+${INIT_END}} 418 419 ${RELOCATING+${TEXT_START_SYMBOLS}} 420 *(.literal .text .stub${RELOCATING+ .literal.* .text.* .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*}) 421 /* .gnu.warning sections are handled specially by elf32.em. */ 422 *(.gnu.warning) 423 ${RELOCATING+${OTHER_TEXT_SECTIONS}} 424 425 ${RELOCATING+${FINI_START}} 426 ${RELOCATING+KEEP (*(.fini.literal))} 427 ${RELOCATING+KEEP (*(SORT_NONE(.fini)))} 428 ${RELOCATING+${FINI_END}} 429 } =${NOP-0} 430 431 ${RELOCATING-$FINI_LIT} 432 ${RELOCATING-$FINI} 433 434 ${RELOCATING+PROVIDE (__${ETEXT_NAME} = .);} 435 ${RELOCATING+PROVIDE (_${ETEXT_NAME} = .);} 436 ${RELOCATING+PROVIDE (${ETEXT_NAME} = .);} 437 ${WRITABLE_RODATA-${RODATA}} 438 .rodata1 ${RELOCATING-0} : { *(.rodata1) } 439 ${CREATE_SHLIB-${SDATA2}} 440 ${CREATE_SHLIB-${SBSS2}} 441 ${OTHER_READONLY_SECTIONS} 442 .eh_frame_hdr : { *(.eh_frame_hdr) } 443 .eh_frame ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.eh_frame)) } 444 .gcc_except_table ${RELOCATING-0} : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) } 445 446 /* Adjust the address for the data segment. We want to adjust up to 447 the same address within the page on the next page up. */ 448 ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+. = ${DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}} 449 ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}} 450 ${CREATE_PIE+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}} 451 452 /* Exception handling */ 453 .eh_frame ${RELOCATING-0} : ONLY_IF_RW { KEEP (*(.eh_frame)) } 454 .gcc_except_table ${RELOCATING-0} : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } 455 456 /* Thread Local Storage sections */ 457 .tdata ${RELOCATING-0} : { *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) } 458 .tbss ${RELOCATING-0} : { *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} } 459 460 .preinit_array ${RELOCATING-0} : 461 { 462 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_start = .);}} 463 KEEP (*(.preinit_array)) 464 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_end = .);}} 465 } 466 ${RELOCATING+${INIT_ARRAY}} 467 ${RELOCATING+${FINI_ARRAY}} 468 ${SMALL_DATA_CTOR-${RELOCATING+${CTOR}}} 469 ${SMALL_DATA_DTOR-${RELOCATING+${DTOR}}} 470 .jcr ${RELOCATING-0} : { KEEP (*(.jcr)) } 471 472 ${RELOCATING+${DATARELRO}} 473 ${OTHER_RELRO_SECTIONS} 474 ${TEXT_DYNAMIC-${DYNAMIC}} 475 ${DATA_GOT+${RELRO_NOW+${GOT}}} 476 ${DATA_GOT+${RELRO_NOW+${GOTPLT}}} 477 ${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT+${GOT}}}} 478 ${RELOCATING+${DATA_SEGMENT_RELRO_END}} 479 ${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT-${GOT}}}} 480 ${DATA_GOT+${RELRO_NOW-${GOTPLT}}} 481 482 ${DATA_PLT+${PLT_BEFORE_GOT-${PLT}}} 483 484 .data ${RELOCATING-0} : 485 { 486 ${RELOCATING+${DATA_START_SYMBOLS}} 487 *(.data${RELOCATING+ .data.* .gnu.linkonce.d.*}) 488 ${CONSTRUCTING+SORT(CONSTRUCTORS)} 489 } 490 .data1 ${RELOCATING-0} : { *(.data1) } 491 ${WRITABLE_RODATA+${RODATA}} 492 ${OTHER_READWRITE_SECTIONS} 493 ${SMALL_DATA_CTOR+${RELOCATING+${CTOR}}} 494 ${SMALL_DATA_DTOR+${RELOCATING+${DTOR}}} 495 ${DATA_PLT+${PLT_BEFORE_GOT+${PLT}}} 496 ${SDATA_GOT+${RELOCATING+${OTHER_GOT_SYMBOLS}}} 497 ${SDATA_GOT+${GOT}} 498 ${SDATA_GOT+${OTHER_GOT_SECTIONS}} 499 ${SDATA} 500 ${OTHER_SDATA_SECTIONS} 501 ${RELOCATING+${DATA_END_SYMBOLS-${USER_LABEL_PREFIX}_edata = .; PROVIDE (${USER_LABEL_PREFIX}edata = .);}} 502 ${RELOCATING+__bss_start = .;} 503 ${RELOCATING+${OTHER_BSS_SYMBOLS}} 504 ${SBSS} 505 ${BSS_PLT+${PLT}} 506 .bss ${RELOCATING-0} : 507 { 508 *(.dynbss) 509 *(.bss${RELOCATING+ .bss.* .gnu.linkonce.b.*}) 510 *(COMMON) 511 /* Align here to ensure that the .bss section occupies space up to 512 _end. Align after .bss to ensure correct alignment even if the 513 .bss section disappears because there are no input sections. 514 FIXME: Why do we need it? When there is no .bss section, we don't 515 pad the .data section. */ 516 ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);} 517 } 518 ${OTHER_BSS_SECTIONS} 519 ${RELOCATING+${OTHER_BSS_END_SYMBOLS}} 520 ${RELOCATING+. = ALIGN(${ALIGNMENT});} 521 ${LARGE_SECTIONS} 522 ${RELOCATING+. = ALIGN(${ALIGNMENT});} 523 ${RELOCATING+${OTHER_END_SYMBOLS}} 524 ${RELOCATING+${END_SYMBOLS-${USER_LABEL_PREFIX}_end = .; PROVIDE (${USER_LABEL_PREFIX}end = .);}} 525 ${RELOCATING+${DATA_SEGMENT_END}} 526EOF 527 528if test -n "${NON_ALLOC_DYN}"; then 529 if test -z "${NO_REL_RELOCS}${NO_RELA_RELOCS}"; then 530 cat ldscripts/dyntmp.$$ 531 else 532 if test -z "${NO_REL_RELOCS}"; then 533 sed -e '/^[ ]*\.rela\.[^}]*$/,/}/d' -e '/^[ ]*\.rela\./d' ldscripts/dyntmp.$$ 534 fi 535 if test -z "${NO_RELA_RELOCS}"; then 536 sed -e '/^[ ]*\.rel\.[^}]*$/,/}/d' -e '/^[ ]*\.rel\./d' ldscripts/dyntmp.$$ 537 fi 538 fi 539 rm -f ldscripts/dyntmp.$$ 540fi 541 542cat <<EOF 543 /* Stabs debugging sections. */ 544 .stab 0 : { *(.stab) } 545 .stabstr 0 : { *(.stabstr) } 546 .stab.excl 0 : { *(.stab.excl) } 547 .stab.exclstr 0 : { *(.stab.exclstr) } 548 .stab.index 0 : { *(.stab.index) } 549 .stab.indexstr 0 : { *(.stab.indexstr) } 550 551 .comment 0 : { *(.comment) } 552 553EOF 554 555. $srcdir/scripttempl/DWARF.sc 556 557cat <<EOF 558 ${TINY_DATA_SECTION} 559 ${TINY_BSS_SECTION} 560 561 ${STACK_ADDR+${STACK}} 562 ${ATTRS_SECTIONS} 563 ${OTHER_SECTIONS} 564 ${RELOCATING+${OTHER_SYMBOLS}} 565 ${RELOCATING+${DISCARDED}} 566} 567EOF 568