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 68 test -z "$ENTRY" && ENTRY=start 69 test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT} 70 test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT} 71 # If we request a big endian toolchain, give a big endian linker 72 test "${ARC_ENDIAN}" = "big" && OUTPUT_FORMAT=${BIG_OUTPUT_FORMAT} 73 if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi 74 test -z "${ELFSIZE}" && ELFSIZE=32 75 test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8" 76 test "$LD_FLAG" = "N" && DATA_ADDR=. 77 test -n "$CREATE_SHLIB$CREATE_PIE" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE="" 78 test -z "$CREATE_SHLIB$CREATE_PIE" && test -n "$DATA_ADDR" && COMMONPAGESIZE="" 79 DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" 80 DATA_SEGMENT_END="" 81 if test -n "${COMMONPAGESIZE}"; then 82 DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})" 83 DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);" 84 fi 85 INTERP=".interp ${RELOCATING-0} : { *(.interp) }" 86 PLT=".plt ${RELOCATING-0} : { *(.plt) }" 87 test -z "$GOT" && GOT=".got ${RELOCATING-0} : {${RELOCATING+ *(.got.plt)} *(.got) }" 88 DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" 89 RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" 90 STACKNOTE="/DISCARD/ : { *(.note.GNU-stack) }" 91 if 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.*}) }" 120 fi 121 INIT_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 }" 128 FINI_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 }" 135 CTOR=".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 }" 160 DTOR=".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 }" 169 STACK=" .stack ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} : 170 { 171 ${RELOCATING+_stack = .;} 172 *(.stack) 173 }" 174 175 TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${TEXT_START_ADDR})" 176 SHLIB_TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${SHLIB_TEXT_START_ADDR:-0})" 177 178 # if this is for an embedded system, don't add SIZEOF_HEADERS. 179 if [ -z "$EMBEDDED" ]; then 180 test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR} + SIZEOF_HEADERS" 181 else 182 test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}" 183 fi 184 185 cat <<EOF 186 OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}", 187 "${LITTLE_OUTPUT_FORMAT}") 188 OUTPUT_ARCH(${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. */} 200 201 SECTIONS 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 ${RELOCATING-0}: { *(.gnu.version_r) } 216 217 EOF 218 if [ "x$COMBRELOC" = x ]; then 219 COMBRELOCCAT=cat 220 else 221 COMBRELOCCAT="cat > $COMBRELOC" 222 fi 223 eval $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.*}) } 252 EOF 253 if [ -n "$COMBRELOC" ]; then 254 cat <<EOF 255 .rel.dyn ${RELOCATING-0} : 256 { 257 EOF 258 sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC 259 cat <<EOF 260 } 261 .rela.dyn ${RELOCATING-0} : 262 { 263 EOF 264 sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC 265 cat <<EOF 266 } 267 EOF 268 fi 269 cat <<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+. = ALIGN(ALIGNOF(NEXT_SECTION));} 369 ${RELOCATING+__bss_start = .;} 370 ${RELOCATING+${OTHER_BSS_SYMBOLS}} 371 ${SBSS} 372 ${BSS_PLT+${PLT}} 373 .bss ${RELOCATING-0} : 374 { 375 ${RELOCATING+*(.dynbss)} 376 *(.bss${RELOCATING+ .bss.* .gnu.linkonce.b.*}) 377 ${RELOCATING+*(COMMON) 378 /* Align here to ensure that the .bss section occupies space up to 379 _end. Align after .bss to ensure correct alignment even if the 380 .bss section disappears because there are no input sections. */ 381 . = ALIGN(${ALIGNMENT});} 382 } 383 ${OTHER_BSS_SECTIONS} 384 ${RELOCATING+. = ALIGN(${ALIGNMENT});} 385 ${RELOCATING+_end = .;} 386 ${RELOCATING+${OTHER_BSS_END_SYMBOLS}} 387 ${RELOCATING+PROVIDE (end = .);} 388 ${RELOCATING+${DATA_SEGMENT_END}} 389 EOF 390 391 test -n "${RELOCATING}" && cat <<EOF 392 /* We want to be able to set a default stack / heap size in a dejagnu 393 board description file, but override it for selected test cases. 394 The options appear in the wrong order to do this with a single symbol - 395 ldflags comes after flags injected with per-file stanzas, and thus 396 the setting from ldflags prevails. */ 397 .heap : 398 { 399 __start_heap = . ; 400 . = . + (DEFINED(__HEAP_SIZE) ? __HEAP_SIZE : (DEFINED(__DEFAULT_HEAP_SIZE) ? __DEFAULT_HEAP_SIZE : 20k)) ; 401 __end_heap = . ; 402 } 403 404 . = ALIGN(0x8); 405 .stack : 406 { 407 __stack = . ; 408 . = . + (DEFINED(__STACK_SIZE) ? __STACK_SIZE : (DEFINED(__DEFAULT_STACK_SIZE) ? __DEFAULT_STACK_SIZE : 64k)) ; 409 __stack_top = . ; 410 } 411 EOF 412 413 source_sh $srcdir/scripttempl/misc-sections.sc 414 source_sh $srcdir/scripttempl/DWARF.sc 415 416 cat <<EOF 417 /* ARC Extension Sections */ 418 .arcextmap 0 : { *(.arcextmap.*) } 419 420 ${OTHER_SECTIONS} 421 ${RELOCATING+${OTHER_END_SYMBOLS}} 422 ${RELOCATING+${STACKNOTE}} 423 } 424 EOF 425