1 # Copyright (C) 2014 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 # Each of these can also have corresponding .rel.* and .rela.* sections. 96 97 98 test -z "$ENTRY" && ENTRY=_start 99 test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT} 100 test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT} 101 if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi 102 test -z "${ELFSIZE}" && ELFSIZE=32 103 test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8" 104 test "$LD_FLAG" = "N" && DATA_ADDR=. 105 test -z "${ETEXT_NAME}" && ETEXT_NAME=etext 106 test -n "$CREATE_SHLIB$CREATE_PIE" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE="" 107 test -z "$CREATE_SHLIB$CREATE_PIE" && test -n "$DATA_ADDR" && COMMONPAGESIZE="" 108 test -n "$RELRO_NOW" && unset SEPARATE_GOTPLT 109 test -z "$ATTRS_SECTIONS" && ATTRS_SECTIONS=".gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }" 110 DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" 111 DATA_SEGMENT_RELRO_END="" 112 DATA_SEGMENT_END="" 113 if test -n "${COMMONPAGESIZE}"; then 114 DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})" 115 DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);" 116 DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (${SEPARATE_GOTPLT-0}, .);" 117 fi 118 if test -z "${INITIAL_READONLY_SECTIONS}${CREATE_SHLIB}"; then 119 INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }" 120 fi 121 if test -z "$PLT"; then 122 PLT=".plt ${RELOCATING-0} : { *(.plt) }" 123 fi 124 test -n "${DATA_PLT-${BSS_PLT-text}}" && TEXT_PLT=yes 125 if test -z "$GOT"; then 126 if test -z "$SEPARATE_GOTPLT"; then 127 GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) }" 128 else 129 GOT=".got ${RELOCATING-0} : { *(.got) }" 130 GOTPLT=".got.plt ${RELOCATING-0} : { *(.got.plt) }" 131 fi 132 fi 133 DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" 134 RODATA=".rodata ${RELOCATING+ADDR(.data)+SIZEOF(.data)} ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) } /*> INTERNAL_RAM*/" 135 DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }" 136 DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }" 137 if test -z "${NO_SMALL_DATA}"; then 138 SBSS=".sbss ${RELOCATING-0} : 139 { 140 ${RELOCATING+${SBSS_START_SYMBOLS}} 141 ${CREATE_SHLIB+*(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)} 142 *(.dynsbss) 143 *(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*}) 144 *(.scommon) 145 ${RELOCATING+${SBSS_END_SYMBOLS}} 146 }" 147 SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .gnu.linkonce.sb2.*}) }" 148 SDATA="/* We want the small data sections together, so single-instruction offsets 149 can access them all, and initialized data all before uninitialized, so 150 we can shorten the on-disk segment size. */ 151 .sdata ${RELOCATING-0} : 152 { 153 ${RELOCATING+${SDATA_START_SYMBOLS}} 154 ${CREATE_SHLIB+*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)} 155 *(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*}) 156 }" 157 SDATA2=".sdata2 ${RELOCATING-0} : 158 { 159 ${RELOCATING+${SDATA2_START_SYMBOLS}} 160 *(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*}) 161 }" 162 REL_SDATA=".rel.sdata ${RELOCATING-0} : { *(.rel.sdata${RELOCATING+ .rel.sdata.* .rel.gnu.linkonce.s.*}) } 163 .rela.sdata ${RELOCATING-0} : { *(.rela.sdata${RELOCATING+ .rela.sdata.* .rela.gnu.linkonce.s.*}) }" 164 REL_SBSS=".rel.sbss ${RELOCATING-0} : { *(.rel.sbss${RELOCATING+ .rel.sbss.* .rel.gnu.linkonce.sb.*}) } 165 .rela.sbss ${RELOCATING-0} : { *(.rela.sbss${RELOCATING+ .rela.sbss.* .rela.gnu.linkonce.sb.*}) }" 166 REL_SDATA2=".rel.sdata2 ${RELOCATING-0} : { *(.rel.sdata2${RELOCATING+ .rel.sdata2.* .rel.gnu.linkonce.s2.*}) } 167 .rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2${RELOCATING+ .rela.sdata2.* .rela.gnu.linkonce.s2.*}) }" 168 REL_SBSS2=".rel.sbss2 ${RELOCATING-0} : { *(.rel.sbss2${RELOCATING+ .rel.sbss2.* .rel.gnu.linkonce.sb2.*}) } 169 .rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2${RELOCATING+ .rela.sbss2.* .rela.gnu.linkonce.sb2.*}) }" 170 else 171 NO_SMALL_DATA=" " 172 fi 173 if test -z "${DATA_GOT}"; then 174 if test -n "${NO_SMALL_DATA}"; then 175 DATA_GOT=" " 176 fi 177 fi 178 if test -z "${SDATA_GOT}"; then 179 if test -z "${NO_SMALL_DATA}"; then 180 SDATA_GOT=" " 181 fi 182 fi 183 test -n "$SEPARATE_GOTPLT" && SEPARATE_GOTPLT=" " 184 test "${LARGE_SECTIONS}" = "yes" && REL_LARGE=" 185 .rel.ldata ${RELOCATING-0} : { *(.rel.ldata${RELOCATING+ .rel.ldata.* .rel.gnu.linkonce.l.*}) } 186 .rela.ldata ${RELOCATING-0} : { *(.rela.ldata${RELOCATING+ .rela.ldata.* .rela.gnu.linkonce.l.*}) } 187 .rel.lbss ${RELOCATING-0} : { *(.rel.lbss${RELOCATING+ .rel.lbss.* .rel.gnu.linkonce.lb.*}) } 188 .rela.lbss ${RELOCATING-0} : { *(.rela.lbss${RELOCATING+ .rela.lbss.* .rela.gnu.linkonce.lb.*}) } 189 .rel.lrodata ${RELOCATING-0} : { *(.rel.lrodata${RELOCATING+ .rel.lrodata.* .rel.gnu.linkonce.lr.*}) } 190 .rela.lrodata ${RELOCATING-0} : { *(.rela.lrodata${RELOCATING+ .rela.lrodata.* .rela.gnu.linkonce.lr.*}) }" 191 test "${LARGE_SECTIONS}" = "yes" && OTHER_BSS_SECTIONS=" 192 ${OTHER_BSS_SECTIONS} 193 .lbss ${RELOCATING-0} : 194 { 195 *(.dynlbss) 196 *(.lbss${RELOCATING+ .lbss.* .gnu.linkonce.lb.*}) 197 *(LARGE_COMMON) 198 }" 199 test "${LARGE_SECTIONS}" = "yes" && LARGE_SECTIONS=" 200 .lrodata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} : 201 { 202 *(.lrodata${RELOCATING+ .lrodata.* .gnu.linkonce.lr.*}) 203 } 204 .ldata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} : 205 { 206 *(.ldata${RELOCATING+ .ldata.* .gnu.linkonce.l.*}) 207 ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);} 208 }" 209 CTOR=".ctors ADDR(.text) + SIZEOF(.text) ${CONSTRUCTING-0} : 210 { 211 ${CONSTRUCTING+${CTOR_START}} 212 /* gcc uses crtbegin.o to find the start of 213 the constructors, so we make sure it is 214 first. Because this is a wildcard, it 215 doesn't matter if the user does not 216 actually link against crtbegin.o; the 217 linker won't look for a file to match a 218 wildcard. The wildcard also means that it 219 doesn't matter which directory crtbegin.o 220 is in. */ 221 222 KEEP (*crtbegin.o(.ctors)) 223 KEEP (*crtbegin?.o(.ctors)) 224 225 /* We don't want to include the .ctor section from 226 the crtend.o file until after the sorted ctors. 227 The .ctor section from the crtend file contains the 228 end of ctors marker and it must be last */ 229 230 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors)) 231 KEEP (*(SORT(.ctors.*))) 232 KEEP (*(.ctors)) 233 ${CONSTRUCTING+${CTOR_END}} 234 } /*> INTERNAL_RAM*/" 235 DTOR=".dtors ADDR(.ctors) + SIZEOF(.ctors) ${CONSTRUCTING-0} : 236 { 237 ${CONSTRUCTING+${DTOR_START}} 238 KEEP (*crtbegin.o(.dtors)) 239 KEEP (*crtbegin?.o(.dtors)) 240 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors)) 241 KEEP (*(SORT(.dtors.*))) 242 KEEP (*(.dtors)) 243 ${CONSTRUCTING+${DTOR_END}} 244 } /*> INTERNAL_RAM*/ " 245 STACK=" .stack ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} : 246 { 247 ${RELOCATING+___stack = .;} 248 *(.stack) 249 }" 250 251 # If this is for an embedded system, don't add SIZEOF_HEADERS. 252 if [ -z "$EMBEDDED" ]; then 253 test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR} + SIZEOF_HEADERS" 254 else 255 test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}" 256 fi 257 258 cat <<EOF 259 /* Copyright (C) 2014 Free Software Foundation, Inc. 260 261 Copying and distribution of this script, with or without modification, 262 are permitted in any medium without royalty provided the copyright 263 notice and this notice are preserved. */ 264 265 OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}", 266 "${LITTLE_OUTPUT_FORMAT}") 267 OUTPUT_ARCH(${OUTPUT_ARCH}) 268 ${RELOCATING+ENTRY(${ENTRY})} 269 270 ${RELOCATING+${EXECUTABLE_SYMBOLS}} 271 ${RELOCATING+${INPUT_FILES}} 272 ${RELOCATING- /* For some reason, the Solaris linker makes bad executables 273 if gld -r is used and the intermediate file has sections starting 274 at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld 275 bug. But for now assigning the zero vmas works. */} 276 277 278 279 /* BSP specific*/ 280 __PROG_SIZE_FOR_CORE__ = 1M; 281 __HEAP_SIZE_FOR_CORE__ = 1M; 282 283 __MAX_NUM_CORES_IN_ROWS__ = 4; 284 __MAX_NUM_CORES_IN_COLS__ = 4; 285 286 __FIRST_CORE_ROW_ = 0x20; 287 __FIRST_CORE_COL_ = 0x24; 288 289 290 291 PROVIDE (__CORE_ROW_ = __FIRST_CORE_ROW_); 292 PROVIDE (__CORE_COL_ = __FIRST_CORE_COL_); 293 /* generic don't touch */ 294 /* used to calculated the slice address in the external memory*/ 295 __CORE_NUM_ = (__CORE_ROW_ - __FIRST_CORE_ROW_ )* __MAX_NUM_CORES_IN_COLS__ + (__CORE_COL_ - __FIRST_CORE_COL_ ) ; 296 297 298 MEMORY 299 { 300 EXTERNAL_DRAM_0 (WXAI) : ORIGIN = 0x80000000, LENGTH = 0x1000000 /*.text, data, rodata, bss and .stack*/ 301 EXTERNAL_DRAM_1 (WXAI) : ORIGIN = 0x81000000, LENGTH = 0x1000000 /*.heap */ 302 303 EXTERNAL_SRAM (WXAI) : ORIGIN = 0x92000000, LENGTH = 8K /* small external RAM, used for testing*/ 304 305 /* run time lib and crt0*/ 306 RESERVED_CRT0_RAM (WXAI) : ORIGIN = 0, LENGTH = 0x400 307 308 /* user program, per bank usage */ 309 BANK0_SRAM (WXAI) : ORIGIN = LENGTH(RESERVED_CRT0_RAM), LENGTH = 8K - LENGTH(RESERVED_CRT0_RAM) 310 BANK1_SRAM (WXAI) : ORIGIN = 0x2000, LENGTH = 8K 311 BANK2_SRAM (WXAI) : ORIGIN = 0x4000, LENGTH = 8K 312 BANK3_SRAM (WXAI) : ORIGIN = 0x6000, LENGTH = 8K 313 314 /* user program, continious placement */ 315 INTERNAL_RAM (WXAI) : ORIGIN = LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K - LENGTH(RESERVED_CRT0_RAM) 316 317 MMR (WAI) : ORIGIN = 0xF000, LENGTH = 32K 318 319 /* multi cores space */ 320 CORE_0x20_0x24_INTERNAL_RAM : ORIGIN = 0x82400000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 321 CORE_0x20_0x25_INTERNAL_RAM : ORIGIN = 0x82500000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 322 CORE_0x20_0x26_INTERNAL_RAM : ORIGIN = 0x82600000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 323 CORE_0x20_0x27_INTERNAL_RAM : ORIGIN = 0x82700000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 324 CORE_0x21_0x24_INTERNAL_RAM : ORIGIN = 0x86400000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 325 CORE_0x21_0x25_INTERNAL_RAM : ORIGIN = 0x86500000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 326 CORE_0x21_0x26_INTERNAL_RAM : ORIGIN = 0x86600000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 327 CORE_0x21_0x27_INTERNAL_RAM : ORIGIN = 0x86700000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 328 CORE_0x22_0x24_INTERNAL_RAM : ORIGIN = 0x8a400000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 329 CORE_0x22_0x25_INTERNAL_RAM : ORIGIN = 0x8a500000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 330 CORE_0x22_0x26_INTERNAL_RAM : ORIGIN = 0x8a600000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 331 CORE_0x22_0x27_INTERNAL_RAM : ORIGIN = 0x8a700000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 332 CORE_0x23_0x24_INTERNAL_RAM : ORIGIN = 0x8e400000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 333 CORE_0x23_0x25_INTERNAL_RAM : ORIGIN = 0x8e500000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 334 CORE_0x23_0x26_INTERNAL_RAM : ORIGIN = 0x8e600000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 335 CORE_0x23_0x27_INTERNAL_RAM : ORIGIN = 0x8e700000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 336 CORE_0x24_0x24_INTERNAL_RAM : ORIGIN = 0x82000000+LENGTH(RESERVED_CRT0_RAM), LENGTH = 32K- LENGTH(RESERVED_CRT0_RAM) 337 338 } 339 340 341 SECTIONS 342 { 343 344 IVT 0 : {*.o(IVT) } > RESERVED_CRT0_RAM 345 RESERVED_CRT0 : {*.o(RESERVED_CRT0) } > RESERVED_CRT0_RAM 346 RESERVED_CRT0 : {*.o(reserved_crt0) } > RESERVED_CRT0_RAM 347 348 CORE_RAM_0 : {*.o(core_ram_0) } > BANK0_SRAM 349 CORE_RAM_1 : {*.o(core_ram_1) } > BANK1_SRAM 350 CORE_RAM_2 : {*.o(core_ram_2) } > BANK2_SRAM 351 CORE_RAM_3 : {*.o(core_ram_3) } > BANK3_SRAM 352 353 SRAM_SOUTH : {*.o(sram) } > EXTERNAL_SRAM 354 DRAM_WEST : {*.o(dram) } > EXTERNAL_DRAM_1 355 356 CORE_INTERNAL : {*.o(core_ram_internal) } /*> INTERNAL_RAM*/ 357 358 /* the newlib (libc and libm) library is maped to the dedicated section */ 359 360 __new_lib_start_external_ = ( ORIGIN(EXTERNAL_DRAM_0) + __PROG_SIZE_FOR_CORE__ *__CORE_NUM_ ); 361 __new_lib_start_ = DEFINED(__USE_INTERNAL_MEM_FOR_NEW_LIB_) ? ORIGIN(BANK1_SRAM) : __new_lib_start_external_ ; 362 363 NEW_LIB_RO ${RELOCATING+__new_lib_start_} : { lib_a-*.o(.text .rodata ) *.o(libgloss_epiphany) } /* > INTERNAL_RAM*/ 364 GNU_C_BUILTIN_LIB_RO ADDR(NEW_LIB_RO) + SIZEOF(NEW_LIB_RO) : { 365 *mulsi3.o(.text .rodata) *modsi3.o(.text .rodata) 366 *divsi3.o(.text .rodata) *udivsi3.o(.text .rodata) 367 *umodsi3.o(.text .rodata) _*.o(.text .rodata) 368 } 369 370 NEW_LIB_WR ADDR(GNU_C_BUILTIN_LIB_RO) + SIZEOF(GNU_C_BUILTIN_LIB_RO) : { lib_a-*.o(.data ) } /* > INTERNAL_RAM*/ 371 372 373 __init_start = DEFINED(__USE_INTERNAL_MEM_) ? ORIGIN(BANK1_SRAM) : (ADDR(NEW_LIB_WR) + SIZEOF(NEW_LIB_WR) ) ; 374 __init_start = DEFINED(__USE_INTERNAL_MEM_FOR_NEW_LIB_) ? ADDR(NEW_LIB_WR) + SIZEOF(NEW_LIB_WR) : __init_start; 375 376 377 /* Read-only sections, merged into text segment: */ 378 /*${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+PROVIDE (__executable_start = ${TEXT_START_ADDR}); . = ${TEXT_BASE_ADDRESS};}}}*/ 379 ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}} 380 ${CREATE_PIE+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}} 381 ${INITIAL_READONLY_SECTIONS} 382 .note.gnu.build-id : { *(.note.gnu.build-id) } 383 EOF 384 385 test -n "${RELOCATING+0}" || unset NON_ALLOC_DYN 386 test -z "${NON_ALLOC_DYN}" || TEXT_DYNAMIC= 387 cat > ldscripts/dyntmp.$$ <<EOF 388 ${TEXT_DYNAMIC+${DYNAMIC}} 389 .hash ${RELOCATING-0} : { *(.hash) } 390 .gnu.hash ${RELOCATING-0} : { *(.gnu.hash) } 391 .dynsym ${RELOCATING-0} : { *(.dynsym) } 392 .dynstr ${RELOCATING-0} : { *(.dynstr) } 393 .gnu.version ${RELOCATING-0} : { *(.gnu.version) } 394 .gnu.version_d ${RELOCATING-0}: { *(.gnu.version_d) } 395 .gnu.version_r ${RELOCATING-0}: { *(.gnu.version_r) } 396 EOF 397 398 if [ "x$COMBRELOC" = x ]; then 399 COMBRELOCCAT="cat >> ldscripts/dyntmp.$$" 400 else 401 COMBRELOCCAT="cat > $COMBRELOC" 402 fi 403 eval $COMBRELOCCAT <<EOF 404 .rel.init ${RELOCATING-0} : { *(.rel.init) } 405 .rela.init ${RELOCATING-0} : { *(.rela.init) } 406 .rel.text ${RELOCATING-0} : { *(.rel.text${RELOCATING+ .rel.text.* .rel.gnu.linkonce.t.*}) } 407 .rela.text ${RELOCATING-0} : { *(.rela.text${RELOCATING+ .rela.text.* .rela.gnu.linkonce.t.*}) } 408 .rel.fini ${RELOCATING-0} : { *(.rel.fini) } 409 .rela.fini ${RELOCATING-0} : { *(.rela.fini) } 410 .rel.rodata ${RELOCATING-0} : { *(.rel.rodata${RELOCATING+ .rel.rodata.* .rel.gnu.linkonce.r.*}) } 411 .rela.rodata ${RELOCATING-0} : { *(.rela.rodata${RELOCATING+ .rela.rodata.* .rela.gnu.linkonce.r.*}) } 412 ${OTHER_READONLY_RELOC_SECTIONS} 413 .rel.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+* .rel.gnu.linkonce.d.rel.ro.*}) } 414 .rela.data.rel.ro ${RELOCATING-0} : { *(.rela.data.rel.ro${RELOCATING+* .rela.gnu.linkonce.d.rel.ro.*}) } 415 .rel.data ${RELOCATING-0} : { *(.rel.data${RELOCATING+ .rel.data.* .rel.gnu.linkonce.d.*}) } 416 .rela.data ${RELOCATING-0} : { *(.rela.data${RELOCATING+ .rela.data.* .rela.gnu.linkonce.d.*}) } 417 .rel.tdata ${RELOCATING-0} : { *(.rel.tdata${RELOCATING+ .rel.tdata.* .rel.gnu.linkonce.td.*}) } 418 .rela.tdata ${RELOCATING-0} : { *(.rela.tdata${RELOCATING+ .rela.tdata.* .rela.gnu.linkonce.td.*}) } 419 .rel.tbss ${RELOCATING-0} : { *(.rel.tbss${RELOCATING+ .rel.tbss.* .rel.gnu.linkonce.tb.*}) } 420 .rela.tbss ${RELOCATING-0} : { *(.rela.tbss${RELOCATING+ .rela.tbss.* .rela.gnu.linkonce.tb.*}) } 421 .rel.ctors ${RELOCATING-0} : { *(.rel.ctors) } 422 .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) } 423 .rel.dtors ${RELOCATING-0} : { *(.rel.dtors) } 424 .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) } 425 .rel.got ${RELOCATING-0} : { *(.rel.got) } 426 .rela.got ${RELOCATING-0} : { *(.rela.got) } 427 ${OTHER_GOT_RELOC_SECTIONS} 428 ${REL_SDATA} 429 ${REL_SBSS} 430 ${REL_SDATA2} 431 ${REL_SBSS2} 432 .rel.bss ${RELOCATING-0} : { *(.rel.bss${RELOCATING+ .rel.bss.* .rel.gnu.linkonce.b.*}) } 433 .rela.bss ${RELOCATING-0} : { *(.rela.bss${RELOCATING+ .rela.bss.* .rela.gnu.linkonce.b.*}) } 434 ${REL_LARGE} 435 EOF 436 437 if [ -n "$COMBRELOC" ]; then 438 cat >> ldscripts/dyntmp.$$ <<EOF 439 .rel.dyn ${RELOCATING-0} : 440 { 441 EOF 442 sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$ 443 cat >> ldscripts/dyntmp.$$ <<EOF 444 } 445 .rela.dyn ${RELOCATING-0} : 446 { 447 EOF 448 sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$ 449 cat >> ldscripts/dyntmp.$$ <<EOF 450 } 451 EOF 452 fi 453 454 cat >> ldscripts/dyntmp.$$ <<EOF 455 .rel.plt ${RELOCATING-0} : { *(.rel.plt) } 456 .rela.plt ${RELOCATING-0} : { *(.rela.plt) } 457 ${OTHER_PLT_RELOC_SECTIONS} 458 EOF 459 460 if test -z "${NON_ALLOC_DYN}"; then 461 if test -z "${NO_REL_RELOCS}${NO_RELA_RELOCS}"; then 462 cat ldscripts/dyntmp.$$ 463 else 464 if test -z "${NO_REL_RELOCS}"; then 465 sed -e '/^[ ]*\.rela\.[^}]*$/,/}/d' -e '/^[ ]*\.rela\./d' ldscripts/dyntmp.$$ 466 fi 467 if test -z "${NO_RELA_RELOCS}"; then 468 sed -e '/^[ ]*\.rel\.[^}]*$/,/}/d' -e '/^[ ]*\.rel\./d' ldscripts/dyntmp.$$ 469 fi 470 fi 471 rm -f ldscripts/dyntmp.$$ 472 fi 473 474 cat <<EOF 475 476 .init __init_start : 477 { 478 ${RELOCATING+${INIT_START}} 479 KEEP (*(.init)) 480 ${RELOCATING+${INIT_END}} 481 } /*> INTERNAL_RAM*/ =${NOP-0} 482 483 ${TEXT_PLT+${PLT}} 484 ${TINY_READONLY_SECTION} 485 486 .fini ${RELOCATING+ADDR(.init)+SIZEOF(.init)} ${RELOCATING-0} : 487 { 488 ${RELOCATING+${FINI_START}} 489 KEEP (*(.fini)) 490 ${RELOCATING+${FINI_END}} 491 } /*> INTERNAL_RAM*/ =${NOP-0} 492 493 .text ${RELOCATING+ADDR(.fini)+SIZEOF(.fini)} ${RELOCATING-0} : 494 { 495 ${RELOCATING+${TEXT_START_SYMBOLS}} 496 *(.text .stub${RELOCATING+ .text.* .gnu.linkonce.t.*}) 497 /* .gnu.warning sections are handled specially by elf32.em. */ 498 *(.gnu.warning) 499 ${RELOCATING+${OTHER_TEXT_SECTIONS}} 500 } /*> INTERNAL_RAM */ =${NOP-0} 501 502 ${RELOCATING+PROVIDE (__${ETEXT_NAME} = .);} 503 ${RELOCATING+PROVIDE (_${ETEXT_NAME} = .);} 504 ${RELOCATING+PROVIDE (${ETEXT_NAME} = .);} 505 ${WRITABLE_RODATA-${RODATA}} 506 .rodata1 ${RELOCATING-0} : { *(.rodata1) } 507 ${CREATE_SHLIB-${SDATA2}} 508 ${CREATE_SHLIB-${SBSS2}} 509 ${OTHER_READONLY_SECTIONS} 510 .eh_frame_hdr : { *(.eh_frame_hdr) } 511 .eh_frame ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.eh_frame)) } 512 .gcc_except_table ${RELOCATING-0} : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) } 513 514 /* Adjust the address for the data segment. We want to adjust up to 515 the same address within the page on the next page up. */ 516 ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+. = ${DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}} 517 ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}} 518 ${CREATE_PIE+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}} 519 520 /* Exception handling */ 521 .eh_frame ${RELOCATING-0} : ONLY_IF_RW { KEEP (*(.eh_frame)) } 522 .gcc_except_table ${RELOCATING-0} : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } 523 524 /* Thread Local Storage sections */ 525 .tdata ${RELOCATING-0} : { *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) } 526 .tbss ${RELOCATING-0} : { *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} } 527 528 .preinit_array ${RELOCATING-0} : 529 { 530 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_start = .);}} 531 KEEP (*(.preinit_array)) 532 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_end = .);}} 533 } 534 .init_array ${RELOCATING-0} : 535 { 536 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_start = .);}} 537 KEEP (*(SORT(.init_array.*))) 538 KEEP (*(.init_array)) 539 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_end = .);}} 540 } 541 .fini_array ${RELOCATING-0} : 542 { 543 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_start = .);}} 544 KEEP (*(.fini_array)) 545 KEEP (*(SORT(.fini_array.*))) 546 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_end = .);}} 547 } 548 ${SMALL_DATA_CTOR-${RELOCATING+${CTOR}}} 549 ${SMALL_DATA_DTOR-${RELOCATING+${DTOR}}} 550 .jcr ${RELOCATING-0} : { KEEP (*(.jcr)) } 551 552 ${RELOCATING+${DATARELRO}} 553 ${OTHER_RELRO_SECTIONS} 554 ${TEXT_DYNAMIC-${DYNAMIC}} 555 ${DATA_GOT+${RELRO_NOW+${GOT}}} 556 ${DATA_GOT+${RELRO_NOW+${GOTPLT}}} 557 ${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT+${GOT}}}} 558 ${RELOCATING+${DATA_SEGMENT_RELRO_END}} 559 ${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT-${GOT}}}} 560 ${DATA_GOT+${RELRO_NOW-${GOTPLT}}} 561 562 ${DATA_PLT+${PLT_BEFORE_GOT-${PLT}}} 563 564 .data ${RELOCATING+ADDR(.dtors)+SIZEOF(.dtors)} ${RELOCATING-0} : 565 { 566 ${RELOCATING+${DATA_START_SYMBOLS}} 567 *(.data${RELOCATING+ .data.* .gnu.linkonce.d.*}) 568 ${CONSTRUCTING+SORT(CONSTRUCTORS)} 569 } /*> INTERNAL_RAM*/ 570 .data1 ${RELOCATING-0} : { *(.data1) } 571 ${WRITABLE_RODATA+${RODATA}} 572 ${OTHER_READWRITE_SECTIONS} 573 ${SMALL_DATA_CTOR+${RELOCATING+${CTOR}}} 574 ${SMALL_DATA_DTOR+${RELOCATING+${DTOR}}} 575 ${DATA_PLT+${PLT_BEFORE_GOT+${PLT}}} 576 ${SDATA_GOT+${RELOCATING+${OTHER_GOT_SYMBOLS}}} 577 ${SDATA_GOT+${GOT}} 578 ${SDATA_GOT+${OTHER_GOT_SECTIONS}} 579 ${SDATA} 580 ${OTHER_SDATA_SECTIONS} 581 ${RELOCATING+${DATA_END_SYMBOLS-${USER_LABEL_PREFIX}_edata = .; PROVIDE (${USER_LABEL_PREFIX}edata = .);}} 582 /* Align ___bss_start and _end to a multiple of 8 so that we can use strd 583 to clear bss. N.B., without adding any extra alignment, we would have 584 to clear the bss byte by byte. */ 585 ${RELOCATING+. = ALIGN(8);} 586 ${RELOCATING+___bss_start = .;} 587 ${RELOCATING+${OTHER_BSS_SYMBOLS}} 588 ${SBSS} 589 ${BSS_PLT+${PLT}} 590 .bss ${RELOCATING+ADDR(.rodata)+SIZEOF(.rodata)} ${RELOCATING-0} : 591 { 592 *(.dynbss) 593 *(.bss${RELOCATING+ .bss.* .gnu.linkonce.b.*}) 594 *(COMMON) 595 /* Align here to ensure that the .bss section occupies space up to 596 _end. Align after .bss to ensure correct alignment even if the 597 .bss section disappears because there are no input sections. 598 FIXME: Why do we need it? When there is no .bss section, we don't 599 pad the .data section. */ 600 ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);} 601 } /*> INTERNAL_RAM*/ 602 ${OTHER_BSS_SECTIONS} 603 ${RELOCATING+${OTHER_BSS_END_SYMBOLS}} 604 ${RELOCATING+. = ALIGN(${ALIGNMENT});} 605 ${LARGE_SECTIONS} 606 ${RELOCATING+. = ALIGN(${ALIGNMENT});} 607 ${RELOCATING+. = ALIGN(8);} 608 ${RELOCATING+${OTHER_END_SYMBOLS}} 609 ${RELOCATING+${END_SYMBOLS-${USER_LABEL_PREFIX}_end = .; PROVIDE (${USER_LABEL_PREFIX}end = .);}} 610 ${RELOCATING+${DATA_SEGMENT_END}} 611 EOF 612 613 if test -n "${NON_ALLOC_DYN}"; then 614 if test -z "${NO_REL_RELOCS}${NO_RELA_RELOCS}"; then 615 cat ldscripts/dyntmp.$$ 616 else 617 if test -z "${NO_REL_RELOCS}"; then 618 sed -e '/^[ ]*\.rela\.[^}]*$/,/}/d' -e '/^[ ]*\.rela\./d' ldscripts/dyntmp.$$ 619 fi 620 if test -z "${NO_RELA_RELOCS}"; then 621 sed -e '/^[ ]*\.rel\.[^}]*$/,/}/d' -e '/^[ ]*\.rel\./d' ldscripts/dyntmp.$$ 622 fi 623 fi 624 rm -f ldscripts/dyntmp.$$ 625 fi 626 627 cat <<EOF 628 /* Stabs debugging sections. */ 629 .stab 0 : { *(.stab) } 630 .stabstr 0 : { *(.stabstr) } 631 .stab.excl 0 : { *(.stab.excl) } 632 .stab.exclstr 0 : { *(.stab.exclstr) } 633 .stab.index 0 : { *(.stab.index) } 634 .stab.indexstr 0 : { *(.stab.indexstr) } 635 636 .comment 0 : { *(.comment) } 637 638 EOF 639 640 . $srcdir/scripttempl/DWARF.sc 641 642 cat <<EOF 643 ${TINY_DATA_SECTION} 644 ${TINY_BSS_SECTION} 645 646 /*${STACK_ADDR+${STACK}}*/ 647 648 PROVIDE ( __stack_start_ = ORIGIN(EXTERNAL_DRAM_0) + __PROG_SIZE_FOR_CORE__ * __CORE_NUM_ + __PROG_SIZE_FOR_CORE__ - 0x10) ; 649 .stack ${RELOCATING+__stack_start_} : { ___stack = .; *(.stack) } 650 651 PROVIDE ( ___heap_start = ORIGIN(EXTERNAL_DRAM_1) + __HEAP_SIZE_FOR_CORE__ * __CORE_NUM_ ); 652 /*.heap_start __heap_start_ : { _heap_start_ = .; *(.heap_start) }*/ 653 654 PROVIDE ( ___heap_end = ORIGIN(EXTERNAL_DRAM_1) + __HEAP_SIZE_FOR_CORE__ * __CORE_NUM_ + __HEAP_SIZE_FOR_CORE__ - 4 ); 655 656 657 /* .heap_end __heap_end_ : { _heap_end_ = .; *(.heap_end) }*/ 658 659 660 ${ATTRS_SECTIONS} 661 ${OTHER_SECTIONS} 662 ${RELOCATING+${OTHER_SYMBOLS}} 663 ${RELOCATING+${DISCARDED}} 664 } 665 EOF 666
