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linkcmds.base @ 960fd85

4.115

Last change on this file since 960fd85 was 960fd85, checked in by Sebastian Huber <sebastian.huber@…>, on 01/28/14 at 10:52:17
bsps: Thread-local storage (TLS) for linkcmds
Property mode set to `100644`
File size: 13.5 KB

Line
1	/**
2	* @file
3	*
4	* @ingroup bsp_linker
5	*
6	* @brief Linker command base file.
7	*/
8
9	/*
10	* Copyright (c) 2011-2013 embedded brains GmbH. All rights reserved.
11	*
12	* embedded brains GmbH
13	* Obere Lagerstr. 30
14	* 82178 Puchheim
15	* Germany
16	* <rtems@embedded-brains.de>
17	*
18	* The license and distribution terms for this file may be
19	* found in the file LICENSE in this distribution or at
20	* http://www.rtems.com/license/LICENSE.
21	*/
22
23	OUTPUT_FORMAT ("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
24
25	OUTPUT_ARCH (powerpc:common)
26
27	ENTRY (_start)
28
29	/*
30	* Global symbols that may be defined externally
31	*/
32
33	bsp_section_xbarrier_align = DEFINED (bsp_section_xbarrier_align) ? bsp_section_xbarrier_align : 1;
34	bsp_section_robarrier_align = DEFINED (bsp_section_robarrier_align) ? bsp_section_robarrier_align : 1;
35	bsp_section_rwbarrier_align = DEFINED (bsp_section_rwbarrier_align) ? bsp_section_rwbarrier_align : 1;
36
37	MEMORY {
38	UNEXPECTED_SECTIONS : ORIGIN = 0xffffffff, LENGTH = 0
39	}
40
41	SECTIONS {
42	.start : ALIGN_WITH_INPUT {
43	bsp_section_start_begin = .;
44	KEEP (*(.bsp_start_text))
45	KEEP (*(.bsp_start_data))
46	bsp_section_start_end = .;
47	} > REGION_START AT > REGION_START
48	bsp_section_start_size = bsp_section_start_end - bsp_section_start_begin;
49
50	.xbarrier : ALIGN_WITH_INPUT {
51	. = ALIGN (bsp_section_xbarrier_align);
52	} > REGION_TEXT AT > REGION_TEXT
53
54	.text : ALIGN_WITH_INPUT {
55	bsp_section_text_begin = .;
56	(SORT(.bsp_text))
57	(.text.unlikely .text._unlikely)
58	(.text .stub .text. .gnu.linkonce.t.*)
59	*(.gnu.warning)
60	*(.glink)
61	} > REGION_TEXT AT > REGION_TEXT_LOAD
62	.init : ALIGN_WITH_INPUT {
63	KEEP (*(.init))
64	} > REGION_TEXT AT > REGION_TEXT_LOAD
65	.fini : ALIGN_WITH_INPUT {
66	PROVIDE (_fini = .);
67	KEEP (*(.fini))
68	bsp_section_text_end = .;
69	} > REGION_TEXT AT > REGION_TEXT_LOAD
70	bsp_section_text_size = bsp_section_text_end - bsp_section_text_begin;
71	bsp_section_text_load_begin = LOADADDR (.text);
72	bsp_section_text_load_end = bsp_section_text_load_begin + bsp_section_text_size;
73
74	.fast_text : ALIGN_WITH_INPUT {
75	bsp_section_fast_text_begin = .;
76	*(.bsp_fast_text)
77	bsp_section_fast_text_end = .;
78	} > REGION_FAST_TEXT AT > REGION_FAST_TEXT_LOAD
79	bsp_section_fast_text_size = bsp_section_fast_text_end - bsp_section_fast_text_begin;
80	bsp_section_fast_text_load_begin = LOADADDR (.fast_text);
81	bsp_section_fast_text_load_end = bsp_section_fast_text_load_begin + bsp_section_fast_text_size;
82
83	.robarrier : ALIGN_WITH_INPUT {
84	. = ALIGN (bsp_section_robarrier_align);
85	} > REGION_RODATA AT > REGION_RODATA
86
87	.rodata : ALIGN_WITH_INPUT {
88	bsp_section_rodata_begin = .;
89	(SORT(.bsp_rodata))
90	(.rodata .rodata. .gnu.linkonce.r.*)
91	} > REGION_RODATA AT > REGION_RODATA_LOAD
92	.rodata1 : ALIGN_WITH_INPUT {
93	*(.rodata1)
94	} > REGION_RODATA AT > REGION_RODATA_LOAD
95	.sdata2 : ALIGN_WITH_INPUT {
96	PROVIDE (_SDA2_BASE_ = 32768);
97	(.sdata2 .sdata2. .gnu.linkonce.s2.*)
98	} > REGION_RODATA AT > REGION_RODATA_LOAD
99	.sbss2 : ALIGN_WITH_INPUT {
100	(.sbss2 .sbss2. .gnu.linkonce.sb2.*)
101	} > REGION_RODATA AT > REGION_RODATA_LOAD
102	.eh_frame_hdr : ALIGN_WITH_INPUT {
103	*(.eh_frame_hdr)
104	} > REGION_RODATA AT > REGION_RODATA_LOAD
105	.eh_frame : ALIGN_WITH_INPUT {
106	KEEP (*(.eh_frame))
107	} > REGION_RODATA AT > REGION_RODATA_LOAD
108	.gcc_except_table : ALIGN_WITH_INPUT {
109	(.gcc_except_table .gcc_except_table.)
110	} > REGION_RODATA AT > REGION_RODATA_LOAD
111	.tdata : ALIGN_WITH_INPUT {
112	_TLS_Data_begin = .;
113	(.tdata .tdata. .gnu.linkonce.td.*)
114	_TLS_Data_end = .;
115	} > REGION_RODATA AT > REGION_RODATA_LOAD
116	.tbss : ALIGN_WITH_INPUT {
117	_TLS_BSS_begin = .;
118	(.tbss .tbss. .gnu.linkonce.tb.) (.tcommon)
119	_TLS_BSS_end = .;
120	} > REGION_RODATA AT > REGION_RODATA_LOAD
121	_TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
122	_TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
123	_TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
124	_TLS_Alignment = ALIGNOF (.tdata);
125	.preinit_array : ALIGN_WITH_INPUT {
126	PROVIDE_HIDDEN (__preinit_array_start = .);
127	KEEP (*(.preinit_array))
128	PROVIDE_HIDDEN (__preinit_array_end = .);
129	} > REGION_RODATA AT > REGION_RODATA_LOAD
130	.init_array : ALIGN_WITH_INPUT {
131	PROVIDE_HIDDEN (__init_array_start = .);
132	KEEP ((SORT(.init_array.)))
133	KEEP (*(.init_array))
134	PROVIDE_HIDDEN (__init_array_end = .);
135	} > REGION_RODATA AT > REGION_RODATA_LOAD
136	.fini_array : ALIGN_WITH_INPUT {
137	PROVIDE_HIDDEN (__fini_array_start = .);
138	KEEP ((SORT(.fini_array.)))
139	KEEP (*(.fini_array))
140	PROVIDE_HIDDEN (__fini_array_end = .);
141	} > REGION_RODATA AT > REGION_RODATA_LOAD
142	.ctors : ALIGN_WITH_INPUT {
143	KEEP (*crtbegin.o(.ctors))
144	KEEP (*crtbegin?.o(.ctors))
145	KEEP ((EXCLUDE_FILE (crtend.o *crtend?.o ) .ctors))
146	KEEP ((SORT(.ctors.)))
147	KEEP (*(.ctors))
148	} > REGION_RODATA AT > REGION_RODATA_LOAD
149	.dtors : ALIGN_WITH_INPUT {
150	KEEP (*crtbegin.o(.dtors))
151	KEEP (*crtbegin?.o(.dtors))
152	KEEP ((EXCLUDE_FILE (crtend.o *crtend?.o ) .dtors))
153	KEEP ((SORT(.dtors.)))
154	KEEP (*(.dtors))
155	} > REGION_RODATA AT > REGION_RODATA_LOAD
156	.jcr : ALIGN_WITH_INPUT {
157	KEEP (*(.jcr))
158	} > REGION_RODATA AT > REGION_RODATA_LOAD
159	.data.rel.ro : ALIGN_WITH_INPUT {
160	(.data.rel.ro.local .gnu.linkonce.d.rel.ro.local.) (.data.rel.ro* .gnu.linkonce.d.rel.ro.*)
161	} > REGION_RODATA AT > REGION_RODATA_LOAD
162	.fixup : ALIGN_WITH_INPUT {
163	*(.fixup)
164	} > REGION_RODATA AT > REGION_RODATA_LOAD
165	.dynamic : ALIGN_WITH_INPUT {
166	*(.dynamic)
167	} > REGION_RODATA AT > REGION_RODATA_LOAD
168	.got1 : ALIGN_WITH_INPUT {
169	*(.got1)
170	} > REGION_RODATA AT > REGION_RODATA_LOAD
171	.got2 : ALIGN_WITH_INPUT {
172	*(.got2)
173	} > REGION_RODATA AT > REGION_RODATA_LOAD
174	.got : ALIGN_WITH_INPUT {
175	*(.got)
176	} > REGION_RODATA AT > REGION_RODATA_LOAD
177	.plt : ALIGN_WITH_INPUT {
178	*(.plt)
179	} > REGION_RODATA AT > REGION_RODATA_LOAD
180	.iplt : ALIGN_WITH_INPUT {
181	*(.iplt)
182	} > REGION_RODATA AT > REGION_RODATA_LOAD
183	.interp : ALIGN_WITH_INPUT {
184	*(.interp)
185	} > REGION_RODATA AT > REGION_RODATA_LOAD
186	.note.gnu.build-id : ALIGN_WITH_INPUT {
187	*(.note.gnu.build-id)
188	} > REGION_RODATA AT > REGION_RODATA_LOAD
189	.hash : ALIGN_WITH_INPUT {
190	*(.hash)
191	} > REGION_RODATA AT > REGION_RODATA_LOAD
192	.gnu.hash : ALIGN_WITH_INPUT {
193	*(.gnu.hash)
194	} > REGION_RODATA AT > REGION_RODATA_LOAD
195	.dynsym : ALIGN_WITH_INPUT {
196	*(.dynsym)
197	} > REGION_RODATA AT > REGION_RODATA_LOAD
198	.dynstr : ALIGN_WITH_INPUT {
199	*(.dynstr)
200	} > REGION_RODATA AT > REGION_RODATA_LOAD
201	.gnu.version : ALIGN_WITH_INPUT {
202	*(.gnu.version)
203	} > REGION_RODATA AT > REGION_RODATA_LOAD
204	.gnu.version_d : ALIGN_WITH_INPUT {
205	*(.gnu.version_d)
206	} > REGION_RODATA AT > REGION_RODATA_LOAD
207	.gnu.version_r : ALIGN_WITH_INPUT {
208	*(.gnu.version_r)
209	} > REGION_RODATA AT > REGION_RODATA_LOAD
210	.rela.dyn : ALIGN_WITH_INPUT {
211	*(.rela.init)
212	(.rela.text .rela.text. .rela.gnu.linkonce.t.*)
213	*(.rela.fini)
214	(.rela.rodata .rela.rodata. .rela.gnu.linkonce.r.*)
215	(.rela.data .rela.data. .rela.gnu.linkonce.d.*)
216	(.rela.tdata .rela.tdata. .rela.gnu.linkonce.td.*)
217	(.rela.tbss .rela.tbss. .rela.gnu.linkonce.tb.*)
218	*(.rela.ctors)
219	*(.rela.dtors)
220	*(.rela.got)
221	*(.rela.got1)
222	*(.rela.got2)
223	(.rela.sdata .rela.sdata. .rela.gnu.linkonce.s.*)
224	(.rela.sbss .rela.sbss. .rela.gnu.linkonce.sb.*)
225	(.rela.sdata2 .rela.sdata2. .rela.gnu.linkonce.s2.*)
226	(.rela.sbss2 .rela.sbss2. .rela.gnu.linkonce.sb2.*)
227	(.rela.bss .rela.bss. .rela.gnu.linkonce.b.*)
228	PROVIDE_HIDDEN (__rel_iplt_start = .);
229	PROVIDE_HIDDEN (__rel_iplt_end = .);
230	PROVIDE_HIDDEN (__rela_iplt_start = .);
231	*(.rela.iplt)
232	PROVIDE_HIDDEN (__rela_iplt_end = .);
233	} > REGION_RODATA AT > REGION_RODATA_LOAD
234	.rela.plt : ALIGN_WITH_INPUT {
235	*(.rela.plt)
236	} > REGION_RODATA AT > REGION_RODATA_LOAD
237	.rtemsroset : ALIGN_WITH_INPUT {
238	/* Special FreeBSD linker set sections */
239	__start_set_sysctl_set = .;
240	(set_sysctl_);
241	__stop_set_sysctl_set = .;
242	(set_domain_);
243	(set_pseudo_);
244
245	KEEP ((SORT(.rtemsroset.)))
246	bsp_section_rodata_end = .;
247	} > REGION_RODATA AT > REGION_RODATA_LOAD
248	bsp_section_rodata_size = bsp_section_rodata_end - bsp_section_rodata_begin;
249	bsp_section_rodata_load_begin = LOADADDR (.rodata);
250	bsp_section_rodata_load_end = bsp_section_rodata_load_begin + bsp_section_rodata_size;
251
252	.rwbarrier : ALIGN_WITH_INPUT {
253	. = ALIGN (bsp_section_rwbarrier_align);
254	} > REGION_DATA AT > REGION_DATA
255
256	.fast_data : ALIGN_WITH_INPUT {
257	bsp_section_fast_data_begin = .;
258	(SORT(.bsp_fast_data))
259	bsp_section_fast_data_end = .;
260	} > REGION_FAST_DATA AT > REGION_FAST_DATA_LOAD
261	bsp_section_fast_data_size = bsp_section_fast_data_end - bsp_section_fast_data_begin;
262	bsp_section_fast_data_load_begin = LOADADDR (.fast_data);
263	bsp_section_fast_data_load_end = bsp_section_fast_data_load_begin + bsp_section_fast_data_size;
264
265	.data : ALIGN_WITH_INPUT {
266	bsp_section_data_begin = .;
267	(SORT(.bsp_data))
268	(.data .data. .gnu.linkonce.d.*)
269	SORT(CONSTRUCTORS)
270	} > REGION_DATA AT > REGION_DATA_LOAD
271	.data1 : ALIGN_WITH_INPUT {
272	*(.data1)
273	} > REGION_DATA AT > REGION_DATA_LOAD
274	.rtemsrwset : ALIGN_WITH_INPUT {
275	KEEP ((SORT(.rtemsrwset.)))
276	} > REGION_DATA AT > REGION_DATA_LOAD
277	.sdata : ALIGN_WITH_INPUT {
278	PROVIDE (_SDA_BASE_ = 32768);
279	(.sdata .sdata. .gnu.linkonce.s.*)
280	bsp_section_data_end = .;
281	} > REGION_DATA AT > REGION_DATA_LOAD
282	bsp_section_data_size = bsp_section_data_end - bsp_section_data_begin;
283	bsp_section_data_load_begin = LOADADDR (.data);
284	bsp_section_data_load_end = bsp_section_data_load_begin + bsp_section_data_size;
285
286	.sbss : ALIGN_WITH_INPUT {
287	bsp_section_sbss_begin = .;
288	*(.dynsbss)
289	(.sbss .sbss. .gnu.linkonce.sb.*)
290	*(.scommon)
291	bsp_section_sbss_end = .;
292	} > REGION_DATA AT > REGION_DATA
293	bsp_section_sbss_size = bsp_section_sbss_end - bsp_section_sbss_begin;
294
295	.bss : ALIGN_WITH_INPUT {
296	bsp_section_bss_begin = .;
297	*(.dynbss)
298	(.bss .bss. .gnu.linkonce.b.*)
299	*(COMMON)
300	bsp_section_bss_end = .;
301	} > REGION_BSS AT > REGION_BSS
302	bsp_section_bss_size = bsp_section_bss_end - bsp_section_bss_begin;
303
304	.rwextra : ALIGN_WITH_INPUT {
305	bsp_section_rwextra_begin = .;
306	*(.bsp_rwextra)
307	bsp_section_rwextra_end = .;
308	} > REGION_RWEXTRA AT > REGION_RWEXTRA
309	bsp_section_rwextra_size = bsp_section_rwextra_end - bsp_section_rwextra_begin;
310
311	.work : ALIGN_WITH_INPUT {
312	/*
313	* The work section will occupy the remaining REGION_WORK region and
314	* contains the RTEMS work space and heap.
315	*/
316	bsp_section_work_begin = .;
317	. += ORIGIN (REGION_WORK) + LENGTH (REGION_WORK) - ABSOLUTE (.);
318	bsp_section_work_end = .;
319	} > REGION_WORK AT > REGION_WORK
320	bsp_section_work_size = bsp_section_work_end - bsp_section_work_begin;
321
322	.stack : ALIGN_WITH_INPUT {
323	/*
324	* The stack section will occupy the remaining REGION_STACK region and may
325	* contain the task stacks. Depending on the region distribution this
326	* section may be of zero size.
327	*/
328	bsp_section_stack_begin = .;
329	. += ORIGIN (REGION_STACK) + LENGTH (REGION_STACK) - ABSOLUTE (.);
330	bsp_section_stack_end = .;
331	} > REGION_STACK AT > REGION_STACK
332	bsp_section_stack_size = bsp_section_stack_end - bsp_section_stack_begin;
333
334	.nocache : ALIGN_WITH_INPUT {
335	bsp_section_nocache_begin = .;
336	(SORT(.bsp_nocache))
337	bsp_section_nocache_end = .;
338	} > REGION_NOCACHE AT > REGION_NOCACHE_LOAD
339	bsp_section_nocache_size = bsp_section_nocache_end - bsp_section_nocache_begin;
340	bsp_section_nocache_load_begin = LOADADDR (.nocache);
341	bsp_section_nocache_load_end = bsp_section_nocache_load_begin + bsp_section_nocache_size;
342
343	.nvram (NOLOAD) : ALIGN_WITH_INPUT {
344	bsp_section_nvram_begin = .;
345	(SORT(.bsp_nvram))
346	bsp_section_nvram_end = .;
347	} > REGION_NVRAM
348	bsp_section_nvram_size = bsp_section_nvram_end - bsp_section_nvram_begin;
349
350	/* FIXME */
351	RamBase = ORIGIN (REGION_WORK);
352	RamSize = LENGTH (REGION_WORK);
353	WorkAreaBase = bsp_section_work_begin;
354	HeapSize = 0;
355
356	/* Stabs debugging sections. */
357	.stab 0 : { *(.stab) }
358	.stabstr 0 : { *(.stabstr) }
359	.stab.excl 0 : { *(.stab.excl) }
360	.stab.exclstr 0 : { *(.stab.exclstr) }
361	.stab.index 0 : { *(.stab.index) }
362	.stab.indexstr 0 : { *(.stab.indexstr) }
363	.comment 0 : { *(.comment) }
364	/* DWARF debug sections.
365	Symbols in the DWARF debugging sections are relative to the beginning
366	of the section so we begin them at 0. */
367	/* DWARF 1 */
368	.debug 0 : { *(.debug) }
369	.line 0 : { *(.line) }
370	/* GNU DWARF 1 extensions */
371	.debug_srcinfo 0 : { *(.debug_srcinfo) }
372	.debug_sfnames 0 : { *(.debug_sfnames) }
373	/* DWARF 1.1 and DWARF 2 */
374	.debug_aranges 0 : { *(.debug_aranges) }
375	.debug_pubnames 0 : { *(.debug_pubnames) }
376	/* DWARF 2 */
377	.debug_info 0 : { (.debug_info .gnu.linkonce.wi.) }
378	.debug_abbrev 0 : { *(.debug_abbrev) }
379	.debug_line 0 : { (.debug_line .debug_line. .debug_line_end ) }
380	.debug_frame 0 : { *(.debug_frame) }
381	.debug_str 0 : { *(.debug_str) }
382	.debug_loc 0 : { *(.debug_loc) }
383	.debug_macinfo 0 : { *(.debug_macinfo) }
384	/* SGI/MIPS DWARF 2 extensions */
385	.debug_weaknames 0 : { *(.debug_weaknames) }
386	.debug_funcnames 0 : { *(.debug_funcnames) }
387	.debug_typenames 0 : { *(.debug_typenames) }
388	.debug_varnames 0 : { *(.debug_varnames) }
389	/* DWARF 3 */
390	.debug_pubtypes 0 : { *(.debug_pubtypes) }
391	.debug_ranges 0 : { *(.debug_ranges) }
392	/* DWARF Extension. */
393	.debug_macro 0 : { *(.debug_macro) }
394	.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
395	.PPC.EMB.apuinfo 0 : { *(.PPC.EMB.apuinfo) }
396	/DISCARD/ : { (.note.GNU-stack) (.gnu_debuglink) (.gnu.lto_) }
397
398	/*
399	* This is a RTEMS specific section to catch all unexpected input
400	* sections. In case you get an error like
401	* "section `.unexpected_sections' will not fit in region
402	* `UNEXPECTED_SECTIONS'"
403	* you have to figure out the offending input section and add it to the
404	* appropriate output section definition above.
405	*/
406	.unexpected_sections : { () } > UNEXPECTED_SECTIONS
407	}

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