1# 2# Unusual variables checked by this code: 3# NOP - four byte opcode for no-op (defaults to 0) 4# NO_SMALL_DATA - no .sbss/.sbss2/.sdata/.sdata2 sections if not 5# empty. 6# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start 7# INITIAL_READONLY_SECTIONS - at start of text segment 8# OTHER_READONLY_SECTIONS - other than .text .init .rodata ... 9# (e.g., .PARISC.milli) 10# OTHER_TEXT_SECTIONS - these get put in .text when relocating 11# OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ... 12# (e.g., .PARISC.global) 13# OTHER_BSS_SECTIONS - other than .bss .sbss ... 14# OTHER_SECTIONS - at the end 15# EXECUTABLE_SYMBOLS - symbols that must be defined for an 16# executable (e.g., _DYNAMIC_LINK) 17# TEXT_START_SYMBOLS - symbols that appear at the start of the 18# .text section. 19# DATA_START_SYMBOLS - symbols that appear at the start of the 20# .data section. 21# OTHER_GOT_SYMBOLS - symbols defined just before .got. 22# OTHER_GOT_SECTIONS - sections just after .got. 23# OTHER_SDATA_SECTIONS - sections just after .sdata. 24# OTHER_BSS_SYMBOLS - symbols that appear at the start of the 25# .bss section besides __bss_start. 26# DATA_PLT - .plt should be in data segment, not text segment. 27# BSS_PLT - .plt should be in bss segment 28# TEXT_DYNAMIC - .dynamic in text segment, not data segment. 29# EMBEDDED - whether this is for an embedded system. 30# SHLIB_TEXT_START_ADDR - if set, add to SIZEOF_HEADERS to set 31# start address of shared library. 32# INPUT_FILES - INPUT command of files to always include 33# WRITABLE_RODATA - if set, the .rodata section should be writable 34# INIT_START, INIT_END - statements just before and just after 35# combination of .init sections. 36# FINI_START, FINI_END - statements just before and just after 37# combination of .fini sections. 38# STACK_ADDR - start of a .stack section. 39# OTHER_END_SYMBOLS - symbols to place right at the end of the script. 40# 41# When adding sections, do note that the names of some sections are used 42# when specifying the start address of the next. 43# 44 45# Many sections come in three flavours. There is the 'real' section, 46# like ".data". Then there are the per-procedure or per-variable 47# sections, generated by -ffunction-sections and -fdata-sections in GCC, 48# and useful for --gc-sections, which for a variable "foo" might be 49# ".data.foo". Then there are the linkonce sections, for which the linker 50# eliminates duplicates, which are named like ".gnu.linkonce.d.foo". 51# The exact correspondences are: 52# 53# Section Linkonce section 54# .text .gnu.linkonce.t.foo 55# .rodata .gnu.linkonce.r.foo 56# .data .gnu.linkonce.d.foo 57# .bss .gnu.linkonce.b.foo 58# .sdata .gnu.linkonce.s.foo 59# .sbss .gnu.linkonce.sb.foo 60# .sdata2 .gnu.linkonce.s2.foo 61# .sbss2 .gnu.linkonce.sb2.foo 62# .debug_info .gnu.linkonce.wi.foo 63# .tdata .gnu.linkonce.td.foo 64# .tbss .gnu.linkonce.tb.foo 65# 66# Each of these can also have corresponding .rel.* and .rela.* sections. 67 68test -z "$ENTRY" && ENTRY=start 69test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT} 70test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT} 71# If we request a big endian toolchain, give a big endian linker 72test "${ARC_ENDIAN}" = "big" && OUTPUT_FORMAT=${BIG_OUTPUT_FORMAT} 73if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi 74test -z "${ELFSIZE}" && ELFSIZE=32 75test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8" 76test "$LD_FLAG" = "N" && DATA_ADDR=. 77test -n "$CREATE_SHLIB$CREATE_PIE" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE="" 78test -z "$CREATE_SHLIB$CREATE_PIE" && test -n "$DATA_ADDR" && COMMONPAGESIZE="" 79DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" 80DATA_SEGMENT_END="" 81if test -n "${COMMONPAGESIZE}"; then 82 DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})" 83 DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);" 84fi 85INTERP=".interp ${RELOCATING-0} : { *(.interp) }" 86PLT=".plt ${RELOCATING-0} : { *(.plt) }" 87test -z "$GOT" && GOT=".got ${RELOCATING-0} : {${RELOCATING+ *(.got.plt)} *(.got) }" 88DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" 89RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" 90STACKNOTE="/DISCARD/ : { *(.note.GNU-stack) }" 91if test -z "${NO_SMALL_DATA}"; then 92 SBSS=".sbss ${RELOCATING-0} : 93 { 94 ${RELOCATING+PROVIDE (__sbss_start = .);} 95 ${RELOCATING+PROVIDE (___sbss_start = .);} 96 ${RELOCATING+*(.dynsbss)} 97 *(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*}) 98 ${RELOCATING+*(.scommon)} 99 ${RELOCATING+PROVIDE (__sbss_end = .);} 100 ${RELOCATING+PROVIDE (___sbss_end = .);} 101 }" 102 SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .gnu.linkonce.sb2.*}) }" 103 SDATA="/* We want the small data sections together, so single-instruction offsets 104 can access them all, and initialized data all before uninitialized, so 105 we can shorten the on-disk segment size. */ 106 .sdata ${RELOCATING-0} : 107 { 108 ${RELOCATING+${SDATA_START_SYMBOLS}} 109 *(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*}) 110 }" 111 SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*}) }" 112 REL_SDATA=".rel.sdata ${RELOCATING-0} : { *(.rel.sdata${RELOCATING+ .rel.sdata.* .rel.gnu.linkonce.s.*}) } 113 .rela.sdata ${RELOCATING-0} : { *(.rela.sdata${RELOCATING+ .rela.sdata.* .rela.gnu.linkonce.s.*}) }" 114 REL_SBSS=".rel.sbss ${RELOCATING-0} : { *(.rel.sbss${RELOCATING+ .rel.sbss.* .rel.gnu.linkonce.sb.*}) } 115 .rela.sbss ${RELOCATING-0} : { *(.rela.sbss${RELOCATING+ .rela.sbss.* .rela.gnu.linkonce.sb.*}) }" 116 REL_SDATA2=".rel.sdata2 ${RELOCATING-0} : { *(.rel.sdata2${RELOCATING+ .rel.sdata2.* .rel.gnu.linkonce.s2.*}) } 117 .rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2${RELOCATING+ .rela.sdata2.* .rela.gnu.linkonce.s2.*}) }" 118 REL_SBSS2=".rel.sbss2 ${RELOCATING-0} : { *(.rel.sbss2${RELOCATING+ .rel.sbss2.* .rel.gnu.linkonce.sb2.*}) } 119 .rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2${RELOCATING+ .rela.sbss2.* .rela.gnu.linkonce.sb2.*}) }" 120fi 121INIT_ARRAY=".init_array ${RELOCATING-0} : 122 { 123 ${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_start = .);}} 124 KEEP (*(SORT(.init_array.*))) 125 KEEP (*(.init_array)) 126 ${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_end = .);}} 127 }" 128FINI_ARRAY=".fini_array ${RELOCATING-0} : 129 { 130 ${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_start = .);}} 131 KEEP (*(SORT(.fini_array.*))) 132 KEEP (*(.fini_array)) 133 ${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_end = .);}} 134 }" 135CTOR=".ctors ${CONSTRUCTING-0} : 136 { 137 ${CONSTRUCTING+${CTOR_START}} 138 /* gcc uses crtbegin.o to find the start of 139 the constructors, so we make sure it is 140 first. Because this is a wildcard, it 141 doesn't matter if the user does not 142 actually link against crtbegin.o; the 143 linker won't look for a file to match a 144 wildcard. The wildcard also means that it 145 doesn't matter which directory crtbegin.o 146 is in. */ 147 148 KEEP (*crtbegin*.o(.ctors)) 149 150 /* We don't want to include the .ctor section from 151 from the crtend.o file until after the sorted ctors. 152 The .ctor section from the crtend file contains the 153 end of ctors marker and it must be last */ 154 155 KEEP (*(EXCLUDE_FILE (*crtend*.o $OTHER_EXCLUDE_FILES) .ctors)) 156 KEEP (*(SORT(.ctors.*))) 157 KEEP (*(.ctors)) 158 ${CONSTRUCTING+${CTOR_END}} 159 }" 160DTOR=".dtors ${CONSTRUCTING-0} : 161 { 162 ${CONSTRUCTING+${DTOR_START}} 163 KEEP (*crtbegin*.o(.dtors)) 164 KEEP (*(EXCLUDE_FILE (*crtend*.o $OTHER_EXCLUDE_FILES) .dtors)) 165 KEEP (*(SORT(.dtors.*))) 166 KEEP (*(.dtors)) 167 ${CONSTRUCTING+${DTOR_END}} 168 }" 169STACK=" .stack ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} : 170 { 171 ${RELOCATING+_stack = .;} 172 *(.stack) 173 }" 174 175TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${TEXT_START_ADDR})" 176SHLIB_TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${SHLIB_TEXT_START_ADDR:-0})" 177 178# if this is for an embedded system, don't add SIZEOF_HEADERS. 179if [ -z "$EMBEDDED" ]; then 180 test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR} + SIZEOF_HEADERS" 181else 182 test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}" 183fi 184 185cat <<EOF 186OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}", 187 "${LITTLE_OUTPUT_FORMAT}") 188OUTPUT_ARCH(${OUTPUT_ARCH}) 189${RELOCATING+ENTRY(${ENTRY})} 190 191${RELOCATING+${LIB_SEARCH_DIRS}} 192${RELOCATING+/* Do we need any of these for elf? 193 __DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */} 194${RELOCATING+${EXECUTABLE_SYMBOLS}} 195${RELOCATING+${INPUT_FILES}} 196${RELOCATING- /* For some reason, the Solaris linker makes bad executables 197 if gld -r is used and the intermediate file has sections starting 198 at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld 199 bug. But for now assigning the zero vmas works. */} 200 201SECTIONS 202{ 203 /* Read-only sections, merged into text segment: */ 204 ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+PROVIDE (__executable_start = ${TEXT_START_ADDR}); . = ${TEXT_BASE_ADDRESS};}}} 205 ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}} 206 ${CREATE_PIE+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}} 207 ${CREATE_SHLIB-${INTERP}} 208 ${INITIAL_READONLY_SECTIONS} 209 ${TEXT_DYNAMIC+${DYNAMIC}} 210 .hash ${RELOCATING-0} : { *(.hash) } 211 .dynsym ${RELOCATING-0} : { *(.dynsym) } 212 .dynstr ${RELOCATING-0} : { *(.dynstr) } 213 .gnu.version ${RELOCATING-0} : { *(.gnu.version) } 214 .gnu.version_d ${RELOCATING-0}: { *(.gnu.version_d) } 215 .gnu.version_r ${RELOCATING-0}: { *(.gnu.version_r) } 216 217EOF 218if [ "x$COMBRELOC" = x ]; then 219 COMBRELOCCAT=cat 220else 221 COMBRELOCCAT="cat > $COMBRELOC" 222fi 223eval $COMBRELOCCAT <<EOF 224 .rel.init ${RELOCATING-0} : { *(.rel.init) } 225 .rela.init ${RELOCATING-0} : { *(.rela.init) } 226 .rel.text ${RELOCATING-0} : { *(.rel.text${RELOCATING+ .rel.text.* .rel.gnu.linkonce.t.*}) } 227 .rela.text ${RELOCATING-0} : { *(.rela.text${RELOCATING+ .rela.text.* .rela.gnu.linkonce.t.*}) } 228 .rel.fini ${RELOCATING-0} : { *(.rel.fini) } 229 .rela.fini ${RELOCATING-0} : { *(.rela.fini) } 230 .rel.rodata ${RELOCATING-0} : { *(.rel.rodata${RELOCATING+ .rel.rodata.* .rel.gnu.linkonce.r.*}) } 231 .rela.rodata ${RELOCATING-0} : { *(.rela.rodata${RELOCATING+ .rela.rodata.* .rela.gnu.linkonce.r.*}) } 232 ${OTHER_READONLY_RELOC_SECTIONS} 233 .rel.data ${RELOCATING-0} : { *(.rel.data${RELOCATING+ .rel.data.* .rel.gnu.linkonce.d.*}) } 234 .rela.data ${RELOCATING-0} : { *(.rela.data${RELOCATING+ .rela.data.* .rela.gnu.linkonce.d.*}) } 235 .rel.tdata ${RELOCATING-0} : { *(.rel.tdata${RELOCATING+ .rel.tdata.* .rel.gnu.linkonce.td.*}) } 236 .rela.tdata ${RELOCATING-0} : { *(.rela.tdata${RELOCATING+ .rela.tdata.* .rela.gnu.linkonce.td.*}) } 237 .rel.tbss ${RELOCATING-0} : { *(.rel.tbss${RELOCATING+ .rel.tbss.* .rel.gnu.linkonce.tb.*}) } 238 .rela.tbss ${RELOCATING-0} : { *(.rela.tbss${RELOCATING+ .rela.tbss.* .rela.gnu.linkonce.tb.*}) } 239 .rel.ctors ${RELOCATING-0} : { *(.rel.ctors) } 240 .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) } 241 .rel.dtors ${RELOCATING-0} : { *(.rel.dtors) } 242 .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) } 243 .rel.got ${RELOCATING-0} : { *(.rel.got) } 244 .rela.got ${RELOCATING-0} : { *(.rela.got) } 245 ${OTHER_GOT_RELOC_SECTIONS} 246 ${REL_SDATA} 247 ${REL_SBSS} 248 ${REL_SDATA2} 249 ${REL_SBSS2} 250 .rel.bss ${RELOCATING-0} : { *(.rel.bss${RELOCATING+ .rel.bss.* .rel.gnu.linkonce.b.*}) } 251 .rela.bss ${RELOCATING-0} : { *(.rela.bss${RELOCATING+ .rela.bss.* .rela.gnu.linkonce.b.*}) } 252EOF 253if [ -n "$COMBRELOC" ]; then 254cat <<EOF 255 .rel.dyn ${RELOCATING-0} : 256 { 257EOF 258sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC 259cat <<EOF 260 } 261 .rela.dyn ${RELOCATING-0} : 262 { 263EOF 264sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC 265cat <<EOF 266 } 267EOF 268fi 269cat <<EOF 270 .rel.plt ${RELOCATING-0} : { *(.rel.plt) } 271 .rela.plt ${RELOCATING-0} : { *(.rela.plt) } 272 ${OTHER_PLT_RELOC_SECTIONS} 273 274 .init ${RELOCATING-0} : 275 { 276 ${RELOCATING+${INIT_START}} 277 KEEP (*(SORT_NONE(.init))) 278 ${RELOCATING+${INIT_END}} 279 } =${NOP-0} 280 281 ${DATA_PLT-${BSS_PLT-${PLT}}} 282 .jlitab ${RELOCATING-0} : 283 { 284 ${RELOCATING+${JLI_START_TABLE}} 285 ${RELOCATING+jlitab*.o(.jlitab*)} 286 *(.jlitab${RELOCATING+*}) 287 } =${NOP-0} 288 .text ${RELOCATING-0} : 289 { 290 ${RELOCATING+${TEXT_START_SYMBOLS}} 291 *(.text .stub${RELOCATING+ .text.* .gnu.linkonce.t.*}) 292 /* .gnu.warning sections are handled specially by elf.em. */ 293 *(.gnu.warning) 294 ${RELOCATING+${OTHER_TEXT_SECTIONS}} 295 } =${NOP-0} 296 .text.init ${RELOCATING-0} : 297 { 298 *(.text.init) 299 } =${NOP-0} 300 .fini ${RELOCATING-0} : 301 { 302 ${RELOCATING+${FINI_START}} 303 KEEP (*(SORT_NONE(.fini))) 304 ${RELOCATING+${FINI_END}} 305 } =${NOP-0} 306 ${RELOCATING+PROVIDE (__etext = .);} 307 ${RELOCATING+PROVIDE (_etext = .);} 308 ${RELOCATING+PROVIDE (etext = .);} 309 ${WRITABLE_RODATA-${RODATA}} 310 .rodata1 ${RELOCATING-0} : { *(.rodata1) } 311 ${CREATE_SHLIB-${SDATA2}} 312 ${CREATE_SHLIB-${SBSS2}} 313 ${OTHER_READONLY_SECTIONS} 314 .eh_frame_hdr ${RELOCATING-0} : { *(.eh_frame_hdr) } 315 .gcc_except_table ${RELOCATING-0} : ONLY_IF_RO { *(.gcc_except_table${RELOCATING+ .gcc_except_table.*}) } 316 317 /* Adjust the address for the data segment. We want to adjust up to 318 the same address within the page on the next page up. */ 319 ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+. = ${DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}} 320 ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}} 321 ${CREATE_PIE+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}} 322 323 /* Exception handling */ 324 .gcc_except_table ${RELOCATING-0} : ONLY_IF_RW { *(.gcc_except_table${RELOCATING+ .gcc_except_table.*}) } 325 326 /* Ensure the __preinit_array_start label is properly aligned. We 327 could instead move the label definition inside the section, but 328 the linker would then create the section even if it turns out to 329 be empty, which isn't pretty. */ 330 ${RELOCATING+. = ALIGN(${ALIGNMENT});} 331 ${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_start = .);}} 332 .preinit_array ${RELOCATING-0} : { *(.preinit_array) } 333 ${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_end = .);}} 334 ${RELOCATING+${INIT_ARRAY}} 335 ${RELOCATING+${FINI_ARRAY}} 336 337 .data ${RELOCATING-0} : 338 { 339 ${RELOCATING+${DATA_START_SYMBOLS}} 340 *(.data${RELOCATING+ .data.* .gnu.linkonce.d.*}) 341 ${CONSTRUCTING+SORT(CONSTRUCTORS)} 342 } 343 .data.init ${RELOCATING-0} : 344 { 345 *(.data.init) 346 } 347 .data1 ${RELOCATING-0} : { *(.data1) } 348 .tdata ${RELOCATING-0} : { *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) } 349 .tbss ${RELOCATING-0} : { *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} } 350 .eh_frame ${RELOCATING-0} : { KEEP (*(.eh_frame)) } 351 .gcc_except_table ${RELOCATING-0} : { *(.gcc_except_table) } 352 ${WRITABLE_RODATA+${RODATA}} 353 ${OTHER_READWRITE_SECTIONS} 354 ${TEXT_DYNAMIC-${DYNAMIC}} 355 ${RELOCATING+${CTOR}} 356 ${RELOCATING+${DTOR}} 357 .jcr ${RELOCATING-0} : { KEEP (*(.jcr)) } 358 ${DATA_PLT+${PLT}} 359 ${RELOCATING+${OTHER_GOT_SYMBOLS}} 360 ${GOT} 361 ${OTHER_GOT_SECTIONS} 362 ${CREATE_SHLIB+${SDATA2}} 363 ${CREATE_SHLIB+${SBSS2}} 364 ${SDATA} 365 ${OTHER_SDATA_SECTIONS} 366 ${RELOCATING+_edata = .;} 367 ${RELOCATING+PROVIDE (edata = .);} 368 ${RELOCATING+__bss_start = .;} 369 ${RELOCATING+${OTHER_BSS_SYMBOLS}} 370 ${SBSS} 371 ${BSS_PLT+${PLT}} 372 .bss ${RELOCATING-0} : 373 { 374 ${RELOCATING+*(.dynbss)} 375 *(.bss${RELOCATING+ .bss.* .gnu.linkonce.b.*}) 376 ${RELOCATING+*(COMMON) 377 /* Align here to ensure that the .bss section occupies space up to 378 _end. Align after .bss to ensure correct alignment even if the 379 .bss section disappears because there are no input sections. */ 380 . = ALIGN(${ALIGNMENT});} 381 } 382 ${OTHER_BSS_SECTIONS} 383 ${RELOCATING+. = ALIGN(${ALIGNMENT});} 384 ${RELOCATING+_end = .;} 385 ${RELOCATING+${OTHER_BSS_END_SYMBOLS}} 386 ${RELOCATING+PROVIDE (end = .);} 387 ${RELOCATING+${DATA_SEGMENT_END}} 388EOF 389 390test -n "${RELOCATING}" && cat <<EOF 391 /* We want to be able to set a default stack / heap size in a dejagnu 392 board description file, but override it for selected test cases. 393 The options appear in the wrong order to do this with a single symbol - 394 ldflags comes after flags injected with per-file stanzas, and thus 395 the setting from ldflags prevails. */ 396 .heap : 397 { 398 __start_heap = . ; 399 . = . + (DEFINED(__HEAP_SIZE) ? __HEAP_SIZE : (DEFINED(__DEFAULT_HEAP_SIZE) ? __DEFAULT_HEAP_SIZE : 20k)) ; 400 __end_heap = . ; 401 } 402 403 . = ALIGN(0x8); 404 .stack : 405 { 406 __stack = . ; 407 . = . + (DEFINED(__STACK_SIZE) ? __STACK_SIZE : (DEFINED(__DEFAULT_STACK_SIZE) ? __DEFAULT_STACK_SIZE : 64k)) ; 408 __stack_top = . ; 409 } 410EOF 411 412cat <<EOF 413 /* Stabs debugging sections. */ 414 .stab 0 : { *(.stab) } 415 .stabstr 0 : { *(.stabstr) } 416 .stab.excl 0 : { *(.stab.excl) } 417 .stab.exclstr 0 : { *(.stab.exclstr) } 418 .stab.index 0 : { *(.stab.index) } 419 .stab.indexstr 0 : { *(.stab.indexstr) } 420 421 .comment 0 : { *(.comment) } 422 .note.gnu.build-id : { *(.note.gnu.build-id) } 423EOF 424 425. $srcdir/scripttempl/DWARF.sc 426 427cat <<EOF 428 /* ARC Extension Sections */ 429 .arcextmap 0 : { *(.arcextmap.*) } 430 431 ${OTHER_SECTIONS} 432 ${RELOCATING+${OTHER_END_SYMBOLS}} 433 ${RELOCATING+${STACKNOTE}} 434} 435EOF 436