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linkcmds.base @ f6999e6

4.115

Last change on this file since f6999e6 was c383372, checked in by Sebastian Huber <sebastian.huber@…>, on 11/13/12 at 14:01:24
bsps/powerpc: Add and use bsp_text input section
Property mode set to `100644`
File size: 12.5 KB

Line
1	/**
2	* @file
3	*
4	* @ingroup bsp_linker
5	*
6	* @brief Linker command base file.
7	*/
8
9	/*
10	* Copyright (c) 2011-2012 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 : {
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 : {
51	. = ALIGN (bsp_section_xbarrier_align);
52	} > REGION_TEXT
53
54	.text : {
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 : {
63	KEEP (*(.init))
64	} > REGION_TEXT AT > REGION_TEXT_LOAD
65	.fini : {
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 : {
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 : {
84	. = ALIGN (bsp_section_robarrier_align);
85	} > REGION_RODATA
86
87	.rodata : {
88	bsp_section_rodata_begin = .;
89	(SORT(.bsp_rodata))
90	(.rodata .rodata. .gnu.linkonce.r.*)
91	} > REGION_RODATA AT > REGION_RODATA_LOAD
92	.rodata1 : {
93	*(.rodata1)
94	} > REGION_RODATA AT > REGION_RODATA_LOAD
95	.sdata2 : {
96	PROVIDE (_SDA2_BASE_ = 32768);
97	(.sdata2 .sdata2. .gnu.linkonce.s2.*)
98	} > REGION_RODATA AT > REGION_RODATA_LOAD
99	.sbss2 : {
100	(.sbss2 .sbss2. .gnu.linkonce.sb2.*)
101	} > REGION_RODATA AT > REGION_RODATA_LOAD
102	.eh_frame_hdr : {
103	*(.eh_frame_hdr)
104	} > REGION_RODATA AT > REGION_RODATA_LOAD
105	.eh_frame : {
106	KEEP (*(.eh_frame))
107	} > REGION_RODATA AT > REGION_RODATA_LOAD
108	.gcc_except_table : {
109	(.gcc_except_table .gcc_except_table.)
110	} > REGION_RODATA AT > REGION_RODATA_LOAD
111	.tdata : {
112	(.tdata .tdata. .gnu.linkonce.td.*)
113	} > REGION_RODATA AT > REGION_RODATA_LOAD
114	.tbss : {
115	(.tbss .tbss. .gnu.linkonce.tb.) (.tcommon)
116	} > REGION_RODATA AT > REGION_RODATA_LOAD
117	.preinit_array : {
118	PROVIDE_HIDDEN (__preinit_array_start = .);
119	KEEP (*(.preinit_array))
120	PROVIDE_HIDDEN (__preinit_array_end = .);
121	} > REGION_RODATA AT > REGION_RODATA_LOAD
122	.init_array : {
123	PROVIDE_HIDDEN (__init_array_start = .);
124	KEEP ((SORT(.init_array.)))
125	KEEP (*(.init_array))
126	PROVIDE_HIDDEN (__init_array_end = .);
127	} > REGION_RODATA AT > REGION_RODATA_LOAD
128	.fini_array : {
129	PROVIDE_HIDDEN (__fini_array_start = .);
130	KEEP ((SORT(.fini_array.)))
131	KEEP (*(.fini_array))
132	PROVIDE_HIDDEN (__fini_array_end = .);
133	} > REGION_RODATA AT > REGION_RODATA_LOAD
134	.ctors : {
135	KEEP (*crtbegin.o(.ctors))
136	KEEP (*crtbegin?.o(.ctors))
137	KEEP ((EXCLUDE_FILE (crtend.o *crtend?.o ) .ctors))
138	KEEP ((SORT(.ctors.)))
139	KEEP (*(.ctors))
140	} > REGION_RODATA AT > REGION_RODATA_LOAD
141	.dtors : {
142	KEEP (*crtbegin.o(.dtors))
143	KEEP (*crtbegin?.o(.dtors))
144	KEEP ((EXCLUDE_FILE (crtend.o *crtend?.o ) .dtors))
145	KEEP ((SORT(.dtors.)))
146	KEEP (*(.dtors))
147	} > REGION_RODATA AT > REGION_RODATA_LOAD
148	.jcr : {
149	KEEP (*(.jcr))
150	} > REGION_RODATA AT > REGION_RODATA_LOAD
151	.data.rel.ro : {
152	(.data.rel.ro.local .gnu.linkonce.d.rel.ro.local.) (.data.rel.ro* .gnu.linkonce.d.rel.ro.*)
153	} > REGION_RODATA AT > REGION_RODATA_LOAD
154	.fixup : {
155	*(.fixup)
156	} > REGION_RODATA AT > REGION_RODATA_LOAD
157	.dynamic : {
158	*(.dynamic)
159	} > REGION_RODATA AT > REGION_RODATA_LOAD
160	.got1 : {
161	*(.got1)
162	} > REGION_RODATA AT > REGION_RODATA_LOAD
163	.got2 : {
164	*(.got2)
165	} > REGION_RODATA AT > REGION_RODATA_LOAD
166	.got : {
167	*(.got)
168	} > REGION_RODATA AT > REGION_RODATA_LOAD
169	.plt : {
170	*(.plt)
171	} > REGION_RODATA AT > REGION_RODATA_LOAD
172	.iplt : {
173	*(.iplt)
174	} > REGION_RODATA AT > REGION_RODATA_LOAD
175	.interp : {
176	*(.interp)
177	} > REGION_RODATA AT > REGION_RODATA_LOAD
178	.note.gnu.build-id : {
179	*(.note.gnu.build-id)
180	} > REGION_RODATA AT > REGION_RODATA_LOAD
181	.hash : {
182	*(.hash)
183	} > REGION_RODATA AT > REGION_RODATA_LOAD
184	.gnu.hash : {
185	*(.gnu.hash)
186	} > REGION_RODATA AT > REGION_RODATA_LOAD
187	.dynsym : {
188	*(.dynsym)
189	} > REGION_RODATA AT > REGION_RODATA_LOAD
190	.dynstr : {
191	*(.dynstr)
192	} > REGION_RODATA AT > REGION_RODATA_LOAD
193	.gnu.version : {
194	*(.gnu.version)
195	} > REGION_RODATA AT > REGION_RODATA_LOAD
196	.gnu.version_d : {
197	*(.gnu.version_d)
198	} > REGION_RODATA AT > REGION_RODATA_LOAD
199	.gnu.version_r : {
200	*(.gnu.version_r)
201	} > REGION_RODATA AT > REGION_RODATA_LOAD
202	.rela.dyn : {
203	*(.rela.init)
204	(.rela.text .rela.text. .rela.gnu.linkonce.t.*)
205	*(.rela.fini)
206	(.rela.rodata .rela.rodata. .rela.gnu.linkonce.r.*)
207	(.rela.data .rela.data. .rela.gnu.linkonce.d.*)
208	(.rela.tdata .rela.tdata. .rela.gnu.linkonce.td.*)
209	(.rela.tbss .rela.tbss. .rela.gnu.linkonce.tb.*)
210	*(.rela.ctors)
211	*(.rela.dtors)
212	*(.rela.got)
213	*(.rela.got1)
214	*(.rela.got2)
215	(.rela.sdata .rela.sdata. .rela.gnu.linkonce.s.*)
216	(.rela.sbss .rela.sbss. .rela.gnu.linkonce.sb.*)
217	(.rela.sdata2 .rela.sdata2. .rela.gnu.linkonce.s2.*)
218	(.rela.sbss2 .rela.sbss2. .rela.gnu.linkonce.sb2.*)
219	(.rela.bss .rela.bss. .rela.gnu.linkonce.b.*)
220	PROVIDE_HIDDEN (__rel_iplt_start = .);
221	PROVIDE_HIDDEN (__rel_iplt_end = .);
222	PROVIDE_HIDDEN (__rela_iplt_start = .);
223	*(.rela.iplt)
224	PROVIDE_HIDDEN (__rela_iplt_end = .);
225	} > REGION_RODATA AT > REGION_RODATA_LOAD
226	.rela.plt : {
227	*(.rela.plt)
228	} > REGION_RODATA AT > REGION_RODATA_LOAD
229	.robsdsets : {
230	/* Special FreeBSD linker set sections */
231	__start_set_sysctl_set = .;
232	(set_sysctl_);
233	__stop_set_sysctl_set = .;
234	(set_domain_);
235	(set_pseudo_);
236	_bsd__start_set_modmetadata_set = .;
237	*(_bsd_set_modmetadata_set);
238	_bsd__stop_set_modmetadata_set = .;
239	_bsd__start_set_sysctl_set = .;
240	*(_bsd_set_sysctl_set);
241	_bsd__stop_set_sysctl_set = .;
242
243	bsp_section_rodata_end = .;
244	} > REGION_RODATA AT > REGION_RODATA_LOAD
245	bsp_section_rodata_size = bsp_section_rodata_end - bsp_section_rodata_begin;
246	bsp_section_rodata_load_begin = LOADADDR (.rodata);
247	bsp_section_rodata_load_end = bsp_section_rodata_load_begin + bsp_section_rodata_size;
248
249	.rwbarrier : {
250	. = ALIGN (bsp_section_rwbarrier_align);
251	} > REGION_DATA
252
253	.fast_data : {
254	bsp_section_fast_data_begin = .;
255	(SORT(.bsp_fast_data))
256	bsp_section_fast_data_end = .;
257	} > REGION_FAST_DATA AT > REGION_FAST_DATA_LOAD
258	bsp_section_fast_data_size = bsp_section_fast_data_end - bsp_section_fast_data_begin;
259	bsp_section_fast_data_load_begin = LOADADDR (.fast_data);
260	bsp_section_fast_data_load_end = bsp_section_fast_data_load_begin + bsp_section_fast_data_size;
261
262	.data : {
263	bsp_section_data_begin = .;
264	(SORT(.bsp_data))
265	(.data .data. .gnu.linkonce.d.*)
266	SORT(CONSTRUCTORS)
267	} > REGION_DATA AT > REGION_DATA_LOAD
268	.data1 : {
269	*(.data1)
270	} > REGION_DATA AT > REGION_DATA_LOAD
271	.rwbsdsets : {
272	/* Special FreeBSD linker set sections */
273	_bsd__start_set_sysinit_set = .;
274	*(_bsd_set_sysinit_set);
275	_bsd__stop_set_sysinit_set = .;
276	} > REGION_DATA AT > REGION_DATA_LOAD
277	.sdata : {
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 : {
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 : {
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 : {
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 : {
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 : {
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 : {
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	/* FIXME */
344	RamBase = ORIGIN (REGION_WORK);
345	RamSize = LENGTH (REGION_WORK);
346	WorkAreaBase = bsp_section_work_begin;
347	HeapSize = 0;
348
349	/* Stabs debugging sections. */
350	.stab 0 : { *(.stab) }
351	.stabstr 0 : { *(.stabstr) }
352	.stab.excl 0 : { *(.stab.excl) }
353	.stab.exclstr 0 : { *(.stab.exclstr) }
354	.stab.index 0 : { *(.stab.index) }
355	.stab.indexstr 0 : { *(.stab.indexstr) }
356	.comment 0 : { *(.comment) }
357	/* DWARF debug sections.
358	Symbols in the DWARF debugging sections are relative to the beginning
359	of the section so we begin them at 0. */
360	/* DWARF 1 */
361	.debug 0 : { *(.debug) }
362	.line 0 : { *(.line) }
363	/* GNU DWARF 1 extensions */
364	.debug_srcinfo 0 : { *(.debug_srcinfo .zdebug_srcinfo) }
365	.debug_sfnames 0 : { *(.debug_sfnames .zdebug_sfnames) }
366	/* DWARF 1.1 and DWARF 2 */
367	.debug_aranges 0 : { *(.debug_aranges .zdebug_aranges) }
368	.debug_pubnames 0 : { *(.debug_pubnames .zdebug_pubnames) }
369	/* DWARF 2 */
370	.debug_info 0 : { (.debug_info .gnu.linkonce.wi. .zdebug_info) }
371	.debug_abbrev 0 : { *(.debug_abbrev .zdebug_abbrev) }
372	.debug_line 0 : { *(.debug_line .zdebug_line) }
373	.debug_frame 0 : { *(.debug_frame .zdebug_frame) }
374	.debug_str 0 : { *(.debug_str .zdebug_str) }
375	.debug_loc 0 : { *(.debug_loc .zdebug_loc) }
376	.debug_macinfo 0 : { *(.debug_macinfo .zdebug_macinfo) }
377	/* SGI/MIPS DWARF 2 extensions */
378	.debug_weaknames 0 : { *(.debug_weaknames .zdebug_weaknames) }
379	.debug_funcnames 0 : { *(.debug_funcnames .zdebug_funcnames) }
380	.debug_typenames 0 : { *(.debug_typenames .zdebug_typenames) }
381	.debug_varnames 0 : { *(.debug_varnames .zdebug_varnames) }
382	/* DWARF 3 */
383	.debug_pubtypes 0 : { *(.debug_pubtypes .zdebug_pubtypes) }
384	.debug_ranges 0 : { *(.debug_ranges .zdebug_ranges) }
385	.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
386	.PPC.EMB.apuinfo 0 : { *(.PPC.EMB.apuinfo) }
387	/DISCARD/ : { (.note.GNU-stack) (.gnu_debuglink) (.gnu.lto_) }
388
389	/*
390	* This is a RTEMS specific section to catch all unexpected input
391	* sections. In case you get an error like
392	* "section `.unexpected_sections' will not fit in region
393	* `UNEXPECTED_SECTIONS'"
394	* you have to figure out the offending input section and add it to the
395	* appropriate output section definition above.
396	*/
397	.unexpected_sections : { () } > UNEXPECTED_SECTIONS
398	}

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