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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# SMALL_DATA_CTOR - .ctors contains small data.
7# SMALL_DATA_DTOR - .dtors contains small data.
8# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start
9# INITIAL_READONLY_SECTIONS - at start of text segment
10# OTHER_READONLY_SECTIONS - other than .text .init .rodata ...
11# (e.g., .PARISC.milli)
12# OTHER_TEXT_SECTIONS - these get put in .text when relocating
13# OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ...
14# (e.g., .PARISC.global)
15# OTHER_RELRO_SECTIONS - other than .data.rel.ro ...
16# (e.g. PPC32 .fixup, .got[12])
17# OTHER_BSS_SECTIONS - other than .bss .sbss ...
18# ATTRS_SECTIONS - at the end
19# OTHER_SECTIONS - at the end
20# EXECUTABLE_SYMBOLS - symbols that must be defined for an
21# executable (e.g., _DYNAMIC_LINK)
22# TEXT_START_ADDR - the first byte of the text segment, after any
23# headers.
24# TEXT_BASE_ADDRESS - the first byte of the text segment.
25# TEXT_START_SYMBOLS - symbols that appear at the start of the
26# .text section.
27# DATA_START_SYMBOLS - symbols that appear at the start of the
28# .data section.
29# DATA_END_SYMBOLS - symbols that appear at the end of the
30# writeable data sections.
31# OTHER_GOT_SYMBOLS - symbols defined just before .got.
32# OTHER_GOT_SECTIONS - sections just after .got.
33# OTHER_SDATA_SECTIONS - sections just after .sdata.
34# OTHER_BSS_SYMBOLS - symbols that appear at the start of the
35# .bss section besides __bss_start.
36# DATA_PLT - .plt should be in data segment, not text segment.
37# PLT_BEFORE_GOT - .plt just before .got when .plt is in data segement.
38# BSS_PLT - .plt should be in bss segment
39# NO_REL_RELOCS - Don't include .rel.* sections in script
40# NO_RELA_RELOCS - Don't include .rela.* sections in script
41# NON_ALLOC_DYN - Place dynamic sections after data segment.
42# TEXT_DYNAMIC - .dynamic in text segment, not data segment.
43# EMBEDDED - whether this is for an embedded system.
44# SHLIB_TEXT_START_ADDR - if set, add to SIZEOF_HEADERS to set
45# start address of shared library.
46# INPUT_FILES - INPUT command of files to always include
47# WRITABLE_RODATA - if set, the .rodata section should be writable
48# INIT_START, INIT_END - statements just before and just after
49# combination of .init sections.
50# FINI_START, FINI_END - statements just before and just after
51# combination of .fini sections.
52# STACK_ADDR - start of a .stack section.
53# OTHER_SYMBOLS - symbols to place right at the end of the script.
54# ETEXT_NAME - name of a symbol for the end of the text section,
55# normally etext.
56# SEPARATE_GOTPLT - if set, .got.plt should be separate output section,
57# so that .got can be in the RELRO area. It should be set to
58# the number of bytes in the beginning of .got.plt which can be
59# in the RELRO area as well.
60# USER_LABEL_PREFIX - prefix to add to user-visible symbols.
61#
62# When adding sections, do note that the names of some sections are used
63# when specifying the start address of the next.
64#
65
66# Many sections come in three flavours. There is the 'real' section,
67# like ".data". Then there are the per-procedure or per-variable
68# sections, generated by -ffunction-sections and -fdata-sections in GCC,
69# and useful for --gc-sections, which for a variable "foo" might be
70# ".data.foo". Then there are the linkonce sections, for which the linker
71# eliminates duplicates, which are named like ".gnu.linkonce.d.foo".
72# The exact correspondences are:
73#
74# Section Linkonce section
75# .text .gnu.linkonce.t.foo
76# .rodata .gnu.linkonce.r.foo
77# .data .gnu.linkonce.d.foo
78# .bss .gnu.linkonce.b.foo
79# .sdata .gnu.linkonce.s.foo
80# .sbss .gnu.linkonce.sb.foo
81# .sdata2 .gnu.linkonce.s2.foo
82# .sbss2 .gnu.linkonce.sb2.foo
83# .debug_info .gnu.linkonce.wi.foo
84# .tdata .gnu.linkonce.td.foo
85# .tbss .gnu.linkonce.tb.foo
86# .lrodata .gnu.linkonce.lr.foo
87# .ldata .gnu.linkonce.l.foo
88# .lbss .gnu.linkonce.lb.foo
89#
90# plus exception-handling information for Tensilica's XCC compiler:
91# .xt_except_table .gnu.linkonce.e.foo
92# .xt_except_desc .gnu.linkonce.h.foo
93#
94# plus Xtensa-specific literal sections:
95# .literal .gnu.linkonce.literal.foo
96# .lit4 .gnu.linkonce.lit4.foo
97#
98# plus Xtensa-specific "property table" sections:
99# .xt.lit .gnu.linkonce.p.foo
100# .xt.insn .gnu.linkonce.x.foo (obsolete)
101# .xt.prop .gnu.linkonce.prop.foo
102#
103# Each of these can also have corresponding .rel.* and .rela.* sections.
104
105test -z "$ENTRY" && ENTRY=_start
106test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT}
107test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
108if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi
109test -z "${ELFSIZE}" && ELFSIZE=32
110test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8"
111test "$LD_FLAG" = "N" && DATA_ADDR=.
112test -z "${ETEXT_NAME}" && ETEXT_NAME=etext
113test -n "$CREATE_SHLIB$CREATE_PIE" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE=""
114test -z "$CREATE_SHLIB$CREATE_PIE" && test -n "$DATA_ADDR" && COMMONPAGESIZE=""
115test -n "$RELRO_NOW" && unset SEPARATE_GOTPLT
116test -z "$ATTRS_SECTIONS" && ATTRS_SECTIONS=".gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }"
117DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))"
118DATA_SEGMENT_RELRO_END=""
119DATA_SEGMENT_END=""
120if test -n "${COMMONPAGESIZE}"; then
121 DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})"
122 DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);"
123 DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (${SEPARATE_GOTPLT-0}, .);"
124fi
125if test -z "${INITIAL_READONLY_SECTIONS}${CREATE_SHLIB}"; then
126 INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }"
127fi
128if test -z "$PLT"; then
129 PLT=".plt ${RELOCATING-0} : { *(.plt) }"
130fi
131test -n "${DATA_PLT-${BSS_PLT-text}}" && TEXT_PLT=yes
132if test -z "$GOT"; then
133 if test -z "$SEPARATE_GOTPLT"; then
134 GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) }"
135 else
136 GOT=".got ${RELOCATING-0} : { *(.got) }"
137 GOTPLT=".got.plt ${RELOCATING-0} : { *(.got.plt) }"
138 fi
139fi
140DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }"
141RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }"
142DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }"
143DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }"
144INIT_LIT=".init.literal 0 : { *(.init.literal) }"
145INIT=".init 0 : { *(.init) }"
146FINI_LIT=".fini.literal 0 : { *(.fini.literal) }"
147FINI=".fini 0 : { *(.fini) }"
148if test -z "${NO_SMALL_DATA}"; then
149 SBSS=".sbss ${RELOCATING-0} :
150 {
151 ${RELOCATING+${SBSS_START_SYMBOLS}}
152 ${CREATE_SHLIB+*(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)}
153 *(.dynsbss)
154 *(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*})
155 *(.scommon)
156 ${RELOCATING+${SBSS_END_SYMBOLS}}
157 }"
158 SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .gnu.linkonce.sb2.*}) }"
159 SDATA="/* We want the small data sections together, so single-instruction offsets
160 can access them all, and initialized data all before uninitialized, so
161 we can shorten the on-disk segment size. */
162 .sdata ${RELOCATING-0} :
163 {
164 ${RELOCATING+${SDATA_START_SYMBOLS}}
165 ${CREATE_SHLIB+*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)}
166 *(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*})
167 }"
168 SDATA2=".sdata2 ${RELOCATING-0} :
169 {
170 ${RELOCATING+${SDATA2_START_SYMBOLS}}
171 *(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*})
172 }"
173 REL_SDATA=".rel.sdata ${RELOCATING-0} : { *(.rel.sdata${RELOCATING+ .rel.sdata.* .rel.gnu.linkonce.s.*}) }
174 .rela.sdata ${RELOCATING-0} : { *(.rela.sdata${RELOCATING+ .rela.sdata.* .rela.gnu.linkonce.s.*}) }"
175 REL_SBSS=".rel.sbss ${RELOCATING-0} : { *(.rel.sbss${RELOCATING+ .rel.sbss.* .rel.gnu.linkonce.sb.*}) }
176 .rela.sbss ${RELOCATING-0} : { *(.rela.sbss${RELOCATING+ .rela.sbss.* .rela.gnu.linkonce.sb.*}) }"
177 REL_SDATA2=".rel.sdata2 ${RELOCATING-0} : { *(.rel.sdata2${RELOCATING+ .rel.sdata2.* .rel.gnu.linkonce.s2.*}) }
178 .rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2${RELOCATING+ .rela.sdata2.* .rela.gnu.linkonce.s2.*}) }"
179 REL_SBSS2=".rel.sbss2 ${RELOCATING-0} : { *(.rel.sbss2${RELOCATING+ .rel.sbss2.* .rel.gnu.linkonce.sb2.*}) }
180 .rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2${RELOCATING+ .rela.sbss2.* .rela.gnu.linkonce.sb2.*}) }"
181else
182 NO_SMALL_DATA=" "
183fi
184if test -z "${DATA_GOT}"; then
185 if test -n "${NO_SMALL_DATA}"; then
186 DATA_GOT=" "
187 fi
188fi
189if test -z "${SDATA_GOT}"; then
190 if test -z "${NO_SMALL_DATA}"; then
191 SDATA_GOT=" "
192 fi
193fi
194test -n "$SEPARATE_GOTPLT" && SEPARATE_GOTPLT=" "
195test "${LARGE_SECTIONS}" = "yes" && REL_LARGE="
196 .rel.ldata ${RELOCATING-0} : { *(.rel.ldata${RELOCATING+ .rel.ldata.* .rel.gnu.linkonce.l.*}) }
197 .rela.ldata ${RELOCATING-0} : { *(.rela.ldata${RELOCATING+ .rela.ldata.* .rela.gnu.linkonce.l.*}) }
198 .rel.lbss ${RELOCATING-0} : { *(.rel.lbss${RELOCATING+ .rel.lbss.* .rel.gnu.linkonce.lb.*}) }
199 .rela.lbss ${RELOCATING-0} : { *(.rela.lbss${RELOCATING+ .rela.lbss.* .rela.gnu.linkonce.lb.*}) }
200 .rel.lrodata ${RELOCATING-0} : { *(.rel.lrodata${RELOCATING+ .rel.lrodata.* .rel.gnu.linkonce.lr.*}) }
201 .rela.lrodata ${RELOCATING-0} : { *(.rela.lrodata${RELOCATING+ .rela.lrodata.* .rela.gnu.linkonce.lr.*}) }"
202test "${LARGE_SECTIONS}" = "yes" && OTHER_BSS_SECTIONS="
203 ${OTHER_BSS_SECTIONS}
204 .lbss ${RELOCATING-0} :
205 {
206 *(.dynlbss)
207 *(.lbss${RELOCATING+ .lbss.* .gnu.linkonce.lb.*})
208 *(LARGE_COMMON)
209 }"
210test "${LARGE_SECTIONS}" = "yes" && LARGE_SECTIONS="
211 .lrodata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} :
212 {
213 *(.lrodata${RELOCATING+ .lrodata.* .gnu.linkonce.lr.*})
214 }
215 .ldata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} :
216 {
217 *(.ldata${RELOCATING+ .ldata.* .gnu.linkonce.l.*})
218 ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);}
219 }"
220INIT_ARRAY=".init_array ${RELOCATING-0} :
221 {
222 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_start = .);}}
223 KEEP (*(SORT(.init_array.*)))
224 KEEP (*(.init_array))
225 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_end = .);}}
226 }"
227FINI_ARRAY=".fini_array ${RELOCATING-0} :
228 {
229 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_start = .);}}
230 KEEP (*(SORT(.fini_array.*)))
231 KEEP (*(.fini_array))
232 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_end = .);}}
233 }"
234CTOR=".ctors ${CONSTRUCTING-0} :
235 {
236 ${CONSTRUCTING+${CTOR_START}}
237 /* gcc uses crtbegin.o to find the start of
238 the constructors, so we make sure it is
239 first. Because this is a wildcard, it
240 doesn't matter if the user does not
241 actually link against crtbegin.o; the
242 linker won't look for a file to match a
243 wildcard. The wildcard also means that it
244 doesn't matter which directory crtbegin.o
245 is in. */
246
247 KEEP (*crtbegin.o(.ctors))
248 KEEP (*crtbegin?.o(.ctors))
249
250 /* We don't want to include the .ctor section from
251 the crtend.o file until after the sorted ctors.
252 The .ctor section from the crtend file contains the
253 end of ctors marker and it must be last */
254
255 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors))
256 KEEP (*(SORT(.ctors.*)))
257 KEEP (*(.ctors))
258 ${CONSTRUCTING+${CTOR_END}}
259 }"
260DTOR=".dtors ${CONSTRUCTING-0} :
261 {
262 ${CONSTRUCTING+${DTOR_START}}
263 KEEP (*crtbegin.o(.dtors))
264 KEEP (*crtbegin?.o(.dtors))
265 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors))
266 KEEP (*(SORT(.dtors.*)))
267 KEEP (*(.dtors))
268 ${CONSTRUCTING+${DTOR_END}}
269 }"
270STACK=" .stack ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} :
271 {
272 ${RELOCATING+_stack = .;}
273 *(.stack)
274 }"
275
276# if this is for an embedded system, don't add SIZEOF_HEADERS.
277if [ -z "$EMBEDDED" ]; then
278 test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR} + SIZEOF_HEADERS"
279else
280 test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}"
281fi
282
283cat <<EOF
284${RELOCATING+ENTRY(${ENTRY})}
285
286${RELOCATING+${LIB_SEARCH_DIRS}}
287${RELOCATING+${EXECUTABLE_SYMBOLS}}
288${RELOCATING+${INPUT_FILES}}
289${RELOCATING- /* For some reason, the Solaris linker makes bad executables
290 if gld -r is used and the intermediate file has sections starting
291 at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld
292 bug. But for now assigning the zero vmas works. */}
293
294SECTIONS
295{
296 /* Read-only sections, merged into text segment: */
297 ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+PROVIDE (__executable_start = ${TEXT_START_ADDR}); . = ${TEXT_BASE_ADDRESS};}}}
298 ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}}
299 ${CREATE_PIE+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}}
300 ${INITIAL_READONLY_SECTIONS}
301 .note.gnu.build-id : { *(.note.gnu.build-id) }
302EOF
303
304test -n "${RELOCATING+0}" || unset NON_ALLOC_DYN
305test -z "${NON_ALLOC_DYN}" || TEXT_DYNAMIC=
306cat > ldscripts/dyntmp.$$ <<EOF
307 ${TEXT_DYNAMIC+${DYNAMIC}}
308 .hash ${RELOCATING-0} : { *(.hash) }
309 .gnu.hash ${RELOCATING-0} : { *(.gnu.hash) }
310 .dynsym ${RELOCATING-0} : { *(.dynsym) }
311 .dynstr ${RELOCATING-0} : { *(.dynstr) }
312 .gnu.version ${RELOCATING-0} : { *(.gnu.version) }
313 .gnu.version_d ${RELOCATING-0}: { *(.gnu.version_d) }
314 .gnu.version_r ${RELOCATING-0}: { *(.gnu.version_r) }
315EOF
316
317if [ "x$COMBRELOC" = x ]; then
318 COMBRELOCCAT="cat >> ldscripts/dyntmp.$$"
319else
320 COMBRELOCCAT="cat > $COMBRELOC"
321fi
322eval $COMBRELOCCAT <<EOF
323 .rel.init ${RELOCATING-0} : { *(.rel.init) }
324 .rela.init ${RELOCATING-0} : { *(.rela.init) }
325 .rel.text ${RELOCATING-0} : { *(.rel.text${RELOCATING+ .rel.text.* .rel.gnu.linkonce.t.*}) }
326 .rela.text ${RELOCATING-0} : { *(.rela.text${RELOCATING+ .rela.text.* .rela.gnu.linkonce.t.*}) }
327 .rel.fini ${RELOCATING-0} : { *(.rel.fini) }
328 .rela.fini ${RELOCATING-0} : { *(.rela.fini) }
329 .rel.rodata ${RELOCATING-0} : { *(.rel.rodata${RELOCATING+ .rel.rodata.* .rel.gnu.linkonce.r.*}) }
330 .rela.rodata ${RELOCATING-0} : { *(.rela.rodata${RELOCATING+ .rela.rodata.* .rela.gnu.linkonce.r.*}) }
331 ${OTHER_READONLY_RELOC_SECTIONS}
332 .rel.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+* .rel.gnu.linkonce.d.rel.ro.*}) }
333 .rela.data.rel.ro ${RELOCATING-0} : { *(.rela.data.rel.ro${RELOCATING+* .rela.gnu.linkonce.d.rel.ro.*}) }
334 .rel.data ${RELOCATING-0} : { *(.rel.data${RELOCATING+ .rel.data.* .rel.gnu.linkonce.d.*}) }
335 .rela.data ${RELOCATING-0} : { *(.rela.data${RELOCATING+ .rela.data.* .rela.gnu.linkonce.d.*}) }
336 .rel.tdata ${RELOCATING-0} : { *(.rel.tdata${RELOCATING+ .rel.tdata.* .rel.gnu.linkonce.td.*}) }
337 .rela.tdata ${RELOCATING-0} : { *(.rela.tdata${RELOCATING+ .rela.tdata.* .rela.gnu.linkonce.td.*}) }
338 .rel.tbss ${RELOCATING-0} : { *(.rel.tbss${RELOCATING+ .rel.tbss.* .rel.gnu.linkonce.tb.*}) }
339 .rela.tbss ${RELOCATING-0} : { *(.rela.tbss${RELOCATING+ .rela.tbss.* .rela.gnu.linkonce.tb.*}) }
340 .rel.ctors ${RELOCATING-0} : { *(.rel.ctors) }
341 .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
342 .rel.dtors ${RELOCATING-0} : { *(.rel.dtors) }
343 .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) }
344 .rel.got ${RELOCATING-0} : { *(.rel.got) }
345 .rela.got ${RELOCATING-0} : { *(.rela.got) }
346 ${OTHER_GOT_RELOC_SECTIONS}
347 ${REL_SDATA}
348 ${REL_SBSS}
349 ${REL_SDATA2}
350 ${REL_SBSS2}
351 .rel.bss ${RELOCATING-0} : { *(.rel.bss${RELOCATING+ .rel.bss.* .rel.gnu.linkonce.b.*}) }
352 .rela.bss ${RELOCATING-0} : { *(.rela.bss${RELOCATING+ .rela.bss.* .rela.gnu.linkonce.b.*}) }
353 ${REL_LARGE}
354EOF
355
356if [ -n "$COMBRELOC" ]; then
357cat >> ldscripts/dyntmp.$$ <<EOF
358 .rel.dyn ${RELOCATING-0} :
359 {
360EOF
361sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$
362cat >> ldscripts/dyntmp.$$ <<EOF
363 }
364 .rela.dyn ${RELOCATING-0} :
365 {
366EOF
367sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$
368cat >> ldscripts/dyntmp.$$ <<EOF
369 }
370EOF
371fi
372
373cat >> ldscripts/dyntmp.$$ <<EOF
374 .rel.plt ${RELOCATING-0} : { *(.rel.plt) }
375 .rela.plt ${RELOCATING-0} : { *(.rela.plt) }
376 ${OTHER_PLT_RELOC_SECTIONS}
377EOF
378
379if test -z "${NON_ALLOC_DYN}"; then
380 if test -z "${NO_REL_RELOCS}${NO_RELA_RELOCS}"; then
381 cat ldscripts/dyntmp.$$
382 else
383 if test -z "${NO_REL_RELOCS}"; then
384 sed -e '/^[ ]*\.rela\.[^}]*$/,/}/d' -e '/^[ ]*\.rela\./d' ldscripts/dyntmp.$$
385 fi
386 if test -z "${NO_RELA_RELOCS}"; then
387 sed -e '/^[ ]*\.rel\.[^}]*$/,/}/d' -e '/^[ ]*\.rel\./d' ldscripts/dyntmp.$$
388 fi
389 fi
390 rm -f ldscripts/dyntmp.$$
391fi
392
393cat <<EOF
394 ${RELOCATING-$INIT_LIT}
395 ${RELOCATING-$INIT}
396
397 ${TEXT_PLT+${PLT}}
398 ${TINY_READONLY_SECTION}
399 .text ${RELOCATING-0} :
400 {
401 *(.got.plt* .plt*)
402
403 ${RELOCATING+${INIT_START}}
404 ${RELOCATING+KEEP (*(.init.literal))}
405 ${RELOCATING+KEEP (*(.init))}
406 ${RELOCATING+${INIT_END}}
407
408 ${RELOCATING+${TEXT_START_SYMBOLS}}
409 *(.literal .text .stub${RELOCATING+ .literal.* .text.* .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*})
410 /* .gnu.warning sections are handled specially by elf32.em. */
411 *(.gnu.warning)
412 ${RELOCATING+${OTHER_TEXT_SECTIONS}}
413
414 ${RELOCATING+${FINI_START}}
415 ${RELOCATING+KEEP (*(.fini.literal))}
416 ${RELOCATING+KEEP (*(.fini))}
417 ${RELOCATING+${FINI_END}}
418 } =${NOP-0}
419
420 ${RELOCATING-$FINI_LIT}
421 ${RELOCATING-$FINI}
422
423 ${RELOCATING+PROVIDE (__${ETEXT_NAME} = .);}
424 ${RELOCATING+PROVIDE (_${ETEXT_NAME} = .);}
425 ${RELOCATING+PROVIDE (${ETEXT_NAME} = .);}
426 ${WRITABLE_RODATA-${RODATA}}
427 .rodata1 ${RELOCATING-0} : { *(.rodata1) }
428 ${CREATE_SHLIB-${SDATA2}}
429 ${CREATE_SHLIB-${SBSS2}}
430 ${OTHER_READONLY_SECTIONS}
431 .eh_frame_hdr : { *(.eh_frame_hdr) }
432 .eh_frame ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.eh_frame)) }
433 .gcc_except_table ${RELOCATING-0} : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
434
435 /* Adjust the address for the data segment. We want to adjust up to
436 the same address within the page on the next page up. */
437 ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+. = ${DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}}
438 ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
439 ${CREATE_PIE+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
440
441 /* Exception handling */
442 .eh_frame ${RELOCATING-0} : ONLY_IF_RW { KEEP (*(.eh_frame)) }
443 .gcc_except_table ${RELOCATING-0} : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
444
445 /* Thread Local Storage sections */
446 .tdata ${RELOCATING-0} : { *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) }
447 .tbss ${RELOCATING-0} : { *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} }
448
449 .preinit_array ${RELOCATING-0} :
450 {
451 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_start = .);}}
452 KEEP (*(.preinit_array))
453 ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_end = .);}}
454 }
455 ${RELOCATING+${INIT_ARRAY}}
456 ${RELOCATING+${FINI_ARRAY}}
457 ${SMALL_DATA_CTOR-${RELOCATING+${CTOR}}}
458 ${SMALL_DATA_DTOR-${RELOCATING+${DTOR}}}
459 .jcr ${RELOCATING-0} : { KEEP (*(.jcr)) }
460
461 ${RELOCATING+${DATARELRO}}
462 ${OTHER_RELRO_SECTIONS}
463 ${TEXT_DYNAMIC-${DYNAMIC}}
464 ${DATA_GOT+${RELRO_NOW+${GOT}}}
465 ${DATA_GOT+${RELRO_NOW+${GOTPLT}}}
466 ${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT+${GOT}}}}
467 ${RELOCATING+${DATA_SEGMENT_RELRO_END}}
468 ${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT-${GOT}}}}
469 ${DATA_GOT+${RELRO_NOW-${GOTPLT}}}
470
471 ${DATA_PLT+${PLT_BEFORE_GOT-${PLT}}}
472
473 .data ${RELOCATING-0} :
474 {
475 ${RELOCATING+${DATA_START_SYMBOLS}}
476 *(.data${RELOCATING+ .data.* .gnu.linkonce.d.*})
477 ${CONSTRUCTING+SORT(CONSTRUCTORS)}
478 }
479 .data1 ${RELOCATING-0} : { *(.data1) }
480 ${WRITABLE_RODATA+${RODATA}}
481 ${OTHER_READWRITE_SECTIONS}
482 ${SMALL_DATA_CTOR+${RELOCATING+${CTOR}}}
483 ${SMALL_DATA_DTOR+${RELOCATING+${DTOR}}}
484 ${DATA_PLT+${PLT_BEFORE_GOT+${PLT}}}
485 ${SDATA_GOT+${RELOCATING+${OTHER_GOT_SYMBOLS}}}
486 ${SDATA_GOT+${GOT}}
487 ${SDATA_GOT+${OTHER_GOT_SECTIONS}}
488 ${SDATA}
489 ${OTHER_SDATA_SECTIONS}
490 ${RELOCATING+${DATA_END_SYMBOLS-${USER_LABEL_PREFIX}_edata = .; PROVIDE (${USER_LABEL_PREFIX}edata = .);}}
491 ${RELOCATING+__bss_start = .;}
492 ${RELOCATING+${OTHER_BSS_SYMBOLS}}
493 ${SBSS}
494 ${BSS_PLT+${PLT}}
495 .bss ${RELOCATING-0} :
496 {
497 *(.dynbss)
498 *(.bss${RELOCATING+ .bss.* .gnu.linkonce.b.*})
499 *(COMMON)
500 /* Align here to ensure that the .bss section occupies space up to
501 _end. Align after .bss to ensure correct alignment even if the
502 .bss section disappears because there are no input sections.
503 FIXME: Why do we need it? When there is no .bss section, we don't
504 pad the .data section. */
505 ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);}
506 }
507 ${OTHER_BSS_SECTIONS}
508 ${RELOCATING+${OTHER_BSS_END_SYMBOLS}}
509 ${RELOCATING+. = ALIGN(${ALIGNMENT});}
510 ${LARGE_SECTIONS}
511 ${RELOCATING+. = ALIGN(${ALIGNMENT});}
512 ${RELOCATING+${OTHER_END_SYMBOLS}}
513 ${RELOCATING+${END_SYMBOLS-${USER_LABEL_PREFIX}_end = .; PROVIDE (${USER_LABEL_PREFIX}end = .);}}
514 ${RELOCATING+${DATA_SEGMENT_END}}
515EOF
516
517if test -n "${NON_ALLOC_DYN}"; then
518 if test -z "${NO_REL_RELOCS}${NO_RELA_RELOCS}"; then
519 cat ldscripts/dyntmp.$$
520 else
521 if test -z "${NO_REL_RELOCS}"; then
522 sed -e '/^[ ]*\.rela\.[^}]*$/,/}/d' -e '/^[ ]*\.rela\./d' ldscripts/dyntmp.$$
523 fi
524 if test -z "${NO_RELA_RELOCS}"; then
525 sed -e '/^[ ]*\.rel\.[^}]*$/,/}/d' -e '/^[ ]*\.rel\./d' ldscripts/dyntmp.$$
526 fi
527 fi
528 rm -f ldscripts/dyntmp.$$
529fi
530
531cat <<EOF
532 /* Stabs debugging sections. */
533 .stab 0 : { *(.stab) }
534 .stabstr 0 : { *(.stabstr) }
535 .stab.excl 0 : { *(.stab.excl) }
536 .stab.exclstr 0 : { *(.stab.exclstr) }
537 .stab.index 0 : { *(.stab.index) }
538 .stab.indexstr 0 : { *(.stab.indexstr) }
539
540 .comment 0 : { *(.comment) }
541
542 /* DWARF debug sections.
543 Symbols in the DWARF debugging sections are relative to the beginning
544 of the section so we begin them at 0. */
545
546 /* DWARF 1 */
547 .debug 0 : { *(.debug) }
548 .line 0 : { *(.line) }
549
550 /* GNU DWARF 1 extensions */
551 .debug_srcinfo 0 : { *(.debug_srcinfo .zdebug_srcinfo) }
552 .debug_sfnames 0 : { *(.debug_sfnames .zdebug_sfnames) }
553
554 /* DWARF 1.1 and DWARF 2 */
555 .debug_aranges 0 : { *(.debug_aranges .zdebug_aranges) }
556 .debug_pubnames 0 : { *(.debug_pubnames .zdebug_pubnames) }
557
558 /* DWARF 2 */
559 .debug_info 0 : { *(.debug_info${RELOCATING+ .gnu.linkonce.wi.*} .zdebug_info) }
560 .debug_abbrev 0 : { *(.debug_abbrev .zdebug_abbrev) }
561 .debug_line 0 : { *(.debug_line .zdebug_line) }
562 .debug_frame 0 : { *(.debug_frame .zdebug_frame) }
563 .debug_str 0 : { *(.debug_str .zdebug_str) }
564 .debug_loc 0 : { *(.debug_loc .zdebug_loc) }
565 .debug_macinfo 0 : { *(.debug_macinfo .zdebug_macinfo) }
566
567 /* SGI/MIPS DWARF 2 extensions */
568 .debug_weaknames 0 : { *(.debug_weaknames .zdebug_weaknames) }
569 .debug_funcnames 0 : { *(.debug_funcnames .zdebug_funcnames) }
570 .debug_typenames 0 : { *(.debug_typenames .zdebug_typenames) }
571 .debug_varnames 0 : { *(.debug_varnames .zdebug_varnames) }
572
573 /* DWARF 3 */
574 .debug_pubtypes 0 : { *(.debug_pubtypes .zdebug_pubtypes) }
575 .debug_ranges 0 : { *(.debug_ranges .zdebug_ranges) }
576
577 ${TINY_DATA_SECTION}
578 ${TINY_BSS_SECTION}
579
580 ${STACK_ADDR+${STACK}}
581 ${ATTRS_SECTIONS}
582 ${OTHER_SECTIONS}
583 ${RELOCATING+${OTHER_SYMBOLS}}
584 ${RELOCATING+${DISCARDED}}
585}
586EOF
GDB Binutils - Deliverables
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