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linkcmds.base @ 33c12d5

Last change on this file since 33c12d5 was 33c12d5, checked in by Sebastian Huber <sebastian.huber@…>, on 01/25/21 at 10:19:21

bsps: Support DWARF 5 sections

GCC 11 uses DWARF 5 by default.

Property mode set to 100644

File size: 16.2 KB

Line
1	/* SPDX-License-Identifier: BSD-2-Clause */
2
3	/**
4	* @file
5	*
6	* @ingroup bsp_linker
7	*
8	* @brief Linker command base file.
9	*/
10
11	/*
12	* Copyright (C) 2020 On-Line Applications Research Corporation (OAR)
13	* Written by Kinsey Moore <kinsey.moore@oarcorp.com>
14	*
15	* Redistribution and use in source and binary forms, with or without
16	* modification, are permitted provided that the following conditions
17	* are met:
18	* 1. Redistributions of source code must retain the above copyright
19	* notice, this list of conditions and the following disclaimer.
20	* 2. Redistributions in binary form must reproduce the above copyright
21	* notice, this list of conditions and the following disclaimer in the
22	* documentation and/or other materials provided with the distribution.
23	*
24	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
28	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34	* POSSIBILITY OF SUCH DAMAGE.
35	*/
36
37	ENTRY (_start)
38	STARTUP (start.o)
39
40	/*
41	* Global symbols that may be defined externally
42	*/
43
44	bsp_stack_align = DEFINED (bsp_stack_align) ? bsp_stack_align : 16;
45
46	bsp_set_align = DEFINED (bsp_set_align) ? bsp_set_align : 8;
47
48	bsp_stack_exception_size = DEFINED (bsp_stack_exception_size) ? bsp_stack_exception_size : 0;
49	bsp_stack_exception_size = ALIGN (bsp_stack_exception_size, bsp_stack_align);
50
51	bsp_vector_table_size = DEFINED (bsp_vector_table_size) ? bsp_vector_table_size : 64;
52
53	bsp_section_xbarrier_align = DEFINED (bsp_section_xbarrier_align) ? bsp_section_xbarrier_align : 1;
54	bsp_section_robarrier_align = DEFINED (bsp_section_robarrier_align) ? bsp_section_robarrier_align : 1;
55	bsp_section_rwbarrier_align = DEFINED (bsp_section_rwbarrier_align) ? bsp_section_rwbarrier_align : 1;
56
57	bsp_stack_hyp_size = DEFINED (bsp_stack_hyp_size) ? bsp_stack_hyp_size : 0;
58	bsp_stack_hyp_size = ALIGN (bsp_stack_hyp_size, bsp_stack_align);
59
60	MEMORY {
61	UNEXPECTED_SECTIONS : ORIGIN = 0xffffffff, LENGTH = 0
62	}
63
64	SECTIONS {
65	.start : ALIGN_WITH_INPUT {
66	bsp_section_start_begin = .;
67	KEEP (*(.bsp_start_text))
68	KEEP (*(.bsp_start_data))
69	bsp_section_start_end = .;
70	} > REGION_START AT > REGION_START
71	bsp_section_start_size = bsp_section_start_end - bsp_section_start_begin;
72
73	.xbarrier : ALIGN_WITH_INPUT {
74	. = ALIGN (bsp_section_xbarrier_align);
75	} > REGION_VECTOR AT > REGION_VECTOR
76
77	.text : ALIGN_WITH_INPUT {
78	bsp_section_text_begin = .;
79	(.text.unlikely .text._unlikely)
80	(.text .stub .text. .gnu.linkonce.t.*)
81	/* .gnu.warning sections are handled specially by elf32.em. */
82	*(.gnu.warning)
83	(.glue_7t) (.glue_7) (.vfp11_veneer) (.v4_bx)
84	} > REGION_TEXT AT > REGION_TEXT_LOAD
85	.init : ALIGN_WITH_INPUT {
86	KEEP (*(.init))
87	} > REGION_TEXT AT > REGION_TEXT_LOAD
88	.fini : ALIGN_WITH_INPUT {
89	KEEP (*(.fini))
90	bsp_section_text_end = .;
91	} > REGION_TEXT AT > REGION_TEXT_LOAD
92	bsp_section_text_size = bsp_section_text_end - bsp_section_text_begin;
93	bsp_section_text_load_begin = LOADADDR (.text);
94	bsp_section_text_load_end = bsp_section_text_load_begin + bsp_section_text_size;
95
96	.robarrier : ALIGN_WITH_INPUT {
97	. = ALIGN (bsp_section_robarrier_align);
98	} > REGION_RODATA AT > REGION_RODATA
99
100	.rodata : ALIGN_WITH_INPUT {
101	bsp_section_rodata_begin = .;
102	(.rodata .rodata. .gnu.linkonce.r.*)
103	} > REGION_RODATA AT > REGION_RODATA_LOAD
104	.rodata1 : ALIGN_WITH_INPUT {
105	*(.rodata1)
106	} > REGION_RODATA AT > REGION_RODATA_LOAD
107	.ARM.extab : ALIGN_WITH_INPUT {
108	(.ARM.extab .gnu.linkonce.armextab.*)
109	} > REGION_RODATA AT > REGION_RODATA_LOAD
110	.ARM.exidx : ALIGN_WITH_INPUT {
111	__exidx_start = .;
112	(.ARM.exidx .gnu.linkonce.armexidx.*)
113	__exidx_end = .;
114	} > REGION_RODATA AT > REGION_RODATA_LOAD
115	.eh_frame : ALIGN_WITH_INPUT {
116	KEEP (*(.eh_frame))
117	} > REGION_RODATA AT > REGION_RODATA_LOAD
118	.gcc_except_table : ALIGN_WITH_INPUT {
119	(.gcc_except_table .gcc_except_table.)
120	} > REGION_RODATA AT > REGION_RODATA_LOAD
121	.tdata : ALIGN_WITH_INPUT {
122	_TLS_Data_begin = .;
123	(.tdata .tdata. .gnu.linkonce.td.*)
124	_TLS_Data_end = .;
125	} > REGION_RODATA AT > REGION_RODATA_LOAD
126	.tbss : ALIGN_WITH_INPUT {
127	_TLS_BSS_begin = .;
128	(.tbss .tbss. .gnu.linkonce.tb.) (.tcommon)
129	_TLS_BSS_end = .;
130	} > REGION_RODATA AT > REGION_RODATA_LOAD
131	_TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
132	_TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
133	_TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
134	_TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
135	_TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
136	_TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
137	.preinit_array : ALIGN_WITH_INPUT {
138	PROVIDE_HIDDEN (__preinit_array_start = .);
139	KEEP (*(.preinit_array))
140	PROVIDE_HIDDEN (__preinit_array_end = .);
141	} > REGION_RODATA AT > REGION_RODATA_LOAD
142	.init_array : ALIGN_WITH_INPUT {
143	PROVIDE_HIDDEN (__init_array_start = .);
144	KEEP ((SORT_BY_INIT_PRIORITY(.init_array.) SORT_BY_INIT_PRIORITY(.ctors.*)))
145	KEEP ((.init_array EXCLUDE_FILE (crtbegin.o crtbegin?.o crtend.o *crtend?.o ) .ctors))
146	PROVIDE_HIDDEN (__init_array_end = .);
147	} > REGION_RODATA AT > REGION_RODATA_LOAD
148	.fini_array : ALIGN_WITH_INPUT {
149	PROVIDE_HIDDEN (__fini_array_start = .);
150	KEEP ((SORT_BY_INIT_PRIORITY(.fini_array.) SORT_BY_INIT_PRIORITY(.dtors.*)))
151	KEEP ((.fini_array EXCLUDE_FILE (crtbegin.o crtbegin?.o crtend.o *crtend?.o ) .dtors))
152	PROVIDE_HIDDEN (__fini_array_end = .);
153	} > REGION_RODATA AT > REGION_RODATA_LOAD
154	.data.rel.ro : ALIGN_WITH_INPUT {
155	(.data.rel.ro.local .gnu.linkonce.d.rel.ro.local.*)
156	(.data.rel.ro .gnu.linkonce.d.rel.ro.*)
157	} > REGION_RODATA AT > REGION_RODATA_LOAD
158	.jcr : ALIGN_WITH_INPUT {
159	KEEP (*(.jcr))
160	} > REGION_RODATA AT > REGION_RODATA_LOAD
161	.interp : ALIGN_WITH_INPUT {
162	*(.interp)
163	} > REGION_RODATA AT > REGION_RODATA_LOAD
164	.note.gnu.build-id : ALIGN_WITH_INPUT {
165	*(.note.gnu.build-id)
166	} > REGION_RODATA AT > REGION_RODATA_LOAD
167	.hash : ALIGN_WITH_INPUT {
168	*(.hash)
169	} > REGION_RODATA AT > REGION_RODATA_LOAD
170	.gnu.hash : ALIGN_WITH_INPUT {
171	*(.gnu.hash)
172	} > REGION_RODATA AT > REGION_RODATA_LOAD
173	.dynsym : ALIGN_WITH_INPUT {
174	*(.dynsym)
175	} > REGION_RODATA AT > REGION_RODATA_LOAD
176	.dynstr : ALIGN_WITH_INPUT {
177	*(.dynstr)
178	} > REGION_RODATA AT > REGION_RODATA_LOAD
179	.gnu.version : ALIGN_WITH_INPUT {
180	*(.gnu.version)
181	} > REGION_RODATA AT > REGION_RODATA_LOAD
182	.gnu.version_d : ALIGN_WITH_INPUT {
183	*(.gnu.version_d)
184	} > REGION_RODATA AT > REGION_RODATA_LOAD
185	.gnu.version_r : ALIGN_WITH_INPUT {
186	*(.gnu.version_r)
187	} > REGION_RODATA AT > REGION_RODATA_LOAD
188	.rel.dyn : ALIGN_WITH_INPUT {
189	*(.rel.init)
190	(.rel.text .rel.text. .rel.gnu.linkonce.t.*)
191	*(.rel.fini)
192	(.rel.rodata .rel.rodata. .rel.gnu.linkonce.r.*)
193	(.rel.data.rel.ro .rel.gnu.linkonce.d.rel.ro.*)
194	(.rel.data .rel.data. .rel.gnu.linkonce.d.*)
195	(.rel.tdata .rel.tdata. .rel.gnu.linkonce.td.*)
196	(.rel.tbss .rel.tbss. .rel.gnu.linkonce.tb.*)
197	*(.rel.ctors)
198	*(.rel.dtors)
199	*(.rel.got)
200	(.rel.bss .rel.bss. .rel.gnu.linkonce.b.*)
201	PROVIDE_HIDDEN (__rel_iplt_start = .);
202	*(.rel.iplt)
203	PROVIDE_HIDDEN (__rel_iplt_end = .);
204	PROVIDE_HIDDEN (__rela_iplt_start = .);
205	PROVIDE_HIDDEN (__rela_iplt_end = .);
206	} > REGION_RODATA AT > REGION_RODATA_LOAD
207	.rela.dyn : ALIGN_WITH_INPUT {
208	*(.rela.init)
209	(.rela.text .rela.text. .rela.gnu.linkonce.t.*)
210	*(.rela.fini)
211	(.rela.rodata .rela.rodata. .rela.gnu.linkonce.r.*)
212	(.rela.data .rela.data. .rela.gnu.linkonce.d.*)
213	(.rela.tdata .rela.tdata. .rela.gnu.linkonce.td.*)
214	(.rela.tbss .rela.tbss. .rela.gnu.linkonce.tb.*)
215	*(.rela.ctors)
216	*(.rela.dtors)
217	*(.rela.got)
218	(.rela.bss .rela.bss. .rela.gnu.linkonce.b.*)
219	(.rela.rtemsroset)
220	(.rela.rtemsrwset)
221	PROVIDE_HIDDEN (__rel_iplt_start = .);
222	PROVIDE_HIDDEN (__rel_iplt_end = .);
223	PROVIDE_HIDDEN (__rela_iplt_start = .);
224	*(.rela.iplt)
225	PROVIDE_HIDDEN (__rela_iplt_end = .);
226	} > REGION_RODATA AT > REGION_RODATA_LOAD
227	.rel.plt : ALIGN_WITH_INPUT {
228	*(.rel.plt)
229	} > REGION_RODATA AT > REGION_RODATA_LOAD
230	.rela.plt : ALIGN_WITH_INPUT {
231	*(.rela.plt)
232	} > REGION_RODATA AT > REGION_RODATA_LOAD
233	.plt : ALIGN_WITH_INPUT {
234	*(.plt)
235	} > REGION_RODATA AT > REGION_RODATA_LOAD
236	.iplt : ALIGN_WITH_INPUT {
237	*(.iplt)
238	} > REGION_RODATA AT > REGION_RODATA_LOAD
239	.dynamic : ALIGN_WITH_INPUT {
240	*(.dynamic)
241	} > REGION_RODATA AT > REGION_RODATA_LOAD
242	.tm_clone_table : ALIGN_WITH_INPUT {
243	*(.tm_clone_table)
244	} > REGION_RODATA AT > REGION_RODATA_LOAD
245	.got : ALIGN_WITH_INPUT {
246	(.got.plt) (.igot.plt) (.got) (.igot)
247	} > REGION_RODATA AT > REGION_RODATA_LOAD
248	.rtemsroset : ALIGN_WITH_INPUT SUBALIGN(bsp_set_align) {
249	/* Special FreeBSD linker set sections */
250	__start_set_sysctl_set = .;
251	(set_sysctl_);
252	__stop_set_sysctl_set = .;
253	(set_domain_);
254	(set_pseudo_);
255
256	KEEP ((SORT(.rtemsroset.)))
257	bsp_section_rodata_end = .;
258	} > REGION_RODATA AT > REGION_RODATA_LOAD
259	bsp_section_rodata_size = bsp_section_rodata_end - bsp_section_rodata_begin;
260	bsp_section_rodata_load_begin = LOADADDR (.rodata);
261	bsp_section_rodata_load_end = bsp_section_rodata_load_begin + bsp_section_rodata_size;
262
263	.rwbarrier : ALIGN_WITH_INPUT {
264	. = ALIGN (bsp_section_rwbarrier_align);
265	} > REGION_DATA AT > REGION_DATA
266
267	.vector : ALIGN_WITH_INPUT {
268	bsp_section_vector_begin = .;
269	. = . + DEFINED (bsp_vector_table_in_start_section) ? 0 : bsp_vector_table_size;
270	bsp_section_vector_end = .;
271	} > REGION_VECTOR AT > REGION_VECTOR
272	bsp_section_vector_size = bsp_section_vector_end - bsp_section_vector_begin;
273	bsp_vector_table_begin = DEFINED (bsp_vector_table_in_start_section) ? bsp_section_start_begin : bsp_section_vector_begin;
274	bsp_vector_table_end = bsp_vector_table_begin + bsp_vector_table_size;
275
276	.fast_text : ALIGN_WITH_INPUT {
277	bsp_section_fast_text_begin = .;
278	*(.bsp_fast_text)
279	bsp_section_fast_text_end = .;
280	} > REGION_FAST_TEXT AT > REGION_FAST_TEXT_LOAD
281	bsp_section_fast_text_size = bsp_section_fast_text_end - bsp_section_fast_text_begin;
282	bsp_section_fast_text_load_begin = LOADADDR (.fast_text);
283	bsp_section_fast_text_load_end = bsp_section_fast_text_load_begin + bsp_section_fast_text_size;
284
285	.fast_data : ALIGN_WITH_INPUT {
286	bsp_section_fast_data_begin = .;
287	*(.bsp_fast_data)
288	bsp_section_fast_data_end = .;
289	} > REGION_FAST_DATA AT > REGION_FAST_DATA_LOAD
290	bsp_section_fast_data_size = bsp_section_fast_data_end - bsp_section_fast_data_begin;
291	bsp_section_fast_data_load_begin = LOADADDR (.fast_data);
292	bsp_section_fast_data_load_end = bsp_section_fast_data_load_begin + bsp_section_fast_data_size;
293
294	.data : ALIGN_WITH_INPUT {
295	bsp_section_data_begin = .;
296	(.data .data. .gnu.linkonce.d.*)
297	SORT(CONSTRUCTORS)
298	} > REGION_DATA AT > REGION_DATA_LOAD
299	.data1 : ALIGN_WITH_INPUT {
300	*(.data1)
301	} > REGION_DATA AT > REGION_DATA_LOAD
302	.rtemsrwset : ALIGN_WITH_INPUT SUBALIGN(bsp_set_align) {
303	KEEP ((SORT(.rtemsrwset.)))
304	bsp_section_data_end = .;
305	} > REGION_DATA AT > REGION_DATA_LOAD
306	bsp_section_data_size = bsp_section_data_end - bsp_section_data_begin;
307	bsp_section_data_load_begin = LOADADDR (.data);
308	bsp_section_data_load_end = bsp_section_data_load_begin + bsp_section_data_size;
309
310	.bss : ALIGN_WITH_INPUT {
311	bsp_section_bss_begin = .;
312	*(.dynbss)
313	(.bss .bss. .gnu.linkonce.b.*)
314	*(COMMON)
315	bsp_section_bss_end = .;
316	} > REGION_BSS AT > REGION_BSS
317	bsp_section_bss_size = bsp_section_bss_end - bsp_section_bss_begin;
318
319	.rtemsstack (NOLOAD) : ALIGN_WITH_INPUT {
320	bsp_section_rtemsstack_begin = .;
321	(SORT_BY_ALIGNMENT (SORT_BY_NAME (.rtemsstack)))
322	bsp_section_rtemsstack_end = .;
323	} > REGION_WORK AT > REGION_WORK
324	bsp_section_rtemsstack_size = bsp_section_rtemsstack_end - bsp_section_rtemsstack_begin;
325
326	.work : ALIGN_WITH_INPUT {
327	/*
328	* The work section will occupy the remaining REGION_WORK region and
329	* contains the RTEMS work space and heap.
330	*/
331	bsp_section_work_begin = .;
332	. += ORIGIN (REGION_WORK) + LENGTH (REGION_WORK) - ABSOLUTE (.);
333	bsp_section_work_end = .;
334	} > REGION_WORK AT > REGION_WORK
335	bsp_section_work_size = bsp_section_work_end - bsp_section_work_begin;
336
337	.stack : ALIGN_WITH_INPUT {
338	/*
339	* The stack section will occupy the remaining REGION_STACK region and may
340	* contain the task stacks. Depending on the region distribution this
341	* section may be of zero size.
342	*/
343	bsp_section_stack_begin = .;
344	. += ORIGIN (REGION_STACK) + LENGTH (REGION_STACK) - ABSOLUTE (.);
345	bsp_section_stack_end = .;
346	} > REGION_STACK AT > REGION_STACK
347	bsp_section_stack_size = bsp_section_stack_end - bsp_section_stack_begin;
348
349	.nocache : ALIGN_WITH_INPUT {
350	bsp_section_nocache_begin = .;
351	(SORT_BY_ALIGNMENT (SORT_BY_NAME (.bsp_nocache)))
352	bsp_section_nocache_end = .;
353	} > REGION_NOCACHE AT > REGION_NOCACHE_LOAD
354	bsp_section_nocache_size = bsp_section_nocache_end - bsp_section_nocache_begin;
355	bsp_section_nocache_load_begin = LOADADDR (.nocache);
356	bsp_section_nocache_load_end = bsp_section_nocache_load_begin + bsp_section_nocache_size;
357
358	.nocachenoload (NOLOAD) : ALIGN_WITH_INPUT {
359	bsp_section_nocachenoload_begin = .;
360	(SORT_BY_ALIGNMENT (SORT_BY_NAME (.bsp_noload_nocache)))
361	bsp_section_nocacheheap_begin = .;
362	. += ORIGIN (REGION_NOCACHE) + LENGTH (REGION_NOCACHE) - ABSOLUTE (.);
363	bsp_section_nocacheheap_end = .;
364	bsp_section_nocachenoload_end = .;
365	} > REGION_NOCACHE AT > REGION_NOCACHE
366	bsp_section_nocacheheap_size = bsp_section_nocacheheap_end - bsp_section_nocacheheap_begin;
367	bsp_section_nocachenoload_size = bsp_section_nocachenoload_end - bsp_section_nocachenoload_begin;
368
369	/* FIXME */
370	RamBase = ORIGIN (REGION_WORK);
371	RamSize = LENGTH (REGION_WORK);
372	RamEnd = RamBase + RamSize;
373	WorkAreaBase = bsp_section_work_begin;
374	HeapSize = 0;
375
376	/* Stabs debugging sections. */
377	.stab 0 : { *(.stab) }
378	.stabstr 0 : { *(.stabstr) }
379	.stab.excl 0 : { *(.stab.excl) }
380	.stab.exclstr 0 : { *(.stab.exclstr) }
381	.stab.index 0 : { *(.stab.index) }
382	.stab.indexstr 0 : { *(.stab.indexstr) }
383	.comment 0 : { *(.comment) }
384	/* DWARF debug sections.
385	Symbols in the DWARF debugging sections are relative to the beginning
386	of the section so we begin them at 0. */
387	/* DWARF 1. */
388	.debug 0 : { *(.debug) }
389	.line 0 : { *(.line) }
390	/* GNU DWARF 1 extensions. */
391	.debug_srcinfo 0 : { *(.debug_srcinfo) }
392	.debug_sfnames 0 : { *(.debug_sfnames) }
393	/* DWARF 1.1 and DWARF 2. */
394	.debug_aranges 0 : { *(.debug_aranges) }
395	.debug_pubnames 0 : { *(.debug_pubnames) }
396	/* DWARF 2. */
397	.debug_info 0 : { (.debug_info .gnu.linkonce.wi.) }
398	.debug_abbrev 0 : { *(.debug_abbrev) }
399	.debug_line 0 : { (.debug_line .debug_line. .debug_line_end) }
400	.debug_frame 0 : { *(.debug_frame) }
401	.debug_str 0 : { *(.debug_str) }
402	.debug_loc 0 : { *(.debug_loc) }
403	.debug_macinfo 0 : { *(.debug_macinfo) }
404	/* SGI/MIPS DWARF 2 extensions. */
405	.debug_weaknames 0 : { *(.debug_weaknames) }
406	.debug_funcnames 0 : { *(.debug_funcnames) }
407	.debug_typenames 0 : { *(.debug_typenames) }
408	.debug_varnames 0 : { *(.debug_varnames) }
409	/* DWARF 3. */
410	.debug_pubtypes 0 : { *(.debug_pubtypes) }
411	.debug_ranges 0 : { *(.debug_ranges) }
412	/* DWARF 5. */
413	.debug_loclists 0 : { *(.debug_loclists) }
414	.debug_rnglists 0 : { *(.debug_rnglists) }
415	.debug_line_str 0 : { *(.debug_line_str) }
416	.debug_str_offsets 0 : { *(.debug_str_offsets) }
417	.debug_macro 0 : { *(.debug_macro) }
418	.debug_addr 0 : { *(.debug_addr) }
419	.ARM.attributes 0 : { KEEP ((.ARM.attributes)) KEEP ((.gnu.attributes)) }
420	.note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
421	/DISCARD/ : { (.note.GNU-stack) (.gnu_debuglink) (.gnu.lto_) }
422
423	/*
424	* This is a RTEMS specific section to catch all unexpected input
425	* sections. In case you get an error like
426	* "section `.unexpected_sections' will not fit in region
427	* `UNEXPECTED_SECTIONS'"
428	* you have to figure out the offending input section and add it to the
429	* appropriate output section definition above.
430	*/
431	.unexpected_sections : { () } > UNEXPECTED_SECTIONS
432	}

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