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linkcmds.base @ 39c8fdb

4.104.115

Last change on this file since 39c8fdb was 39c8fdb, checked in by Thomas Doerfler <Thomas.Doerfler@…>, on 01/12/10 at 15:03:22
add support for lpc32xx
Property mode set to `100644`
File size: 10.5 KB

Line
1	/**
2	* @file
3	*
4	* @ingroup bsp_linker
5	*
6	* @brief Linker command base file.
7	*/
8
9	/*
10	* Copyright (c) 2008
11	* Embedded Brains GmbH
12	* Obere Lagerstr. 30
13	* D-82178 Puchheim
14	* Germany
15	* rtems@embedded-brains.de
16	*
17	* The license and distribution terms for this file may be found in the file
18	* LICENSE in this distribution or at http://www.rtems.com/license/LICENSE.
19	*/
20
21	OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
22
23	OUTPUT_ARCH (arm)
24
25	ENTRY (start)
26
27	/*
28	* BSP: Global symbols that may be defined externally
29	*/
30
31	bsp_stack_align = DEFINED (bsp_stack_align) ? bsp_stack_align : 4;
32
33	bsp_section_align = DEFINED (bsp_section_align) ? bsp_section_align : 32;
34
35	bsp_section_start_end_align = DEFINED (bsp_section_start_end_align) ? bsp_section_start_end_align : bsp_section_align;
36	bsp_section_vector_end_align = DEFINED (bsp_section_vector_end_align) ? bsp_section_vector_end_align : bsp_section_align;
37	bsp_section_text_end_align = DEFINED (bsp_section_text_end_align) ? bsp_section_text_end_align : bsp_section_align;
38	bsp_section_rodata_end_align = DEFINED (bsp_section_rodata_end_align) ? bsp_section_rodata_end_align : bsp_section_align;
39	bsp_section_data_end_align = DEFINED (bsp_section_data_end_align) ? bsp_section_data_end_align : bsp_section_align;
40	bsp_section_fast_end_align = DEFINED (bsp_section_fast_end_align) ? bsp_section_fast_end_align : bsp_section_align;
41	bsp_section_bss_end_align = DEFINED (bsp_section_bss_end_align) ? bsp_section_bss_end_align : bsp_section_align;
42
43	bsp_section_vbarrier_align = DEFINED (bsp_section_vbarrier_align) ? bsp_section_vbarrier_align : 1;
44	bsp_section_robarrier_align = DEFINED (bsp_section_robarrier_align) ? bsp_section_robarrier_align : 1;
45
46	bsp_stack_abt_size = DEFINED (bsp_stack_abt_size) ? bsp_stack_abt_size : 128;
47	bsp_stack_abt_size = ALIGN (bsp_stack_abt_size, bsp_stack_align);
48
49	bsp_stack_fiq_size = DEFINED (bsp_stack_fiq_size) ? bsp_stack_fiq_size : 128;
50	bsp_stack_fiq_size = ALIGN (bsp_stack_fiq_size, bsp_stack_align);
51
52	bsp_stack_irq_size = DEFINED (bsp_stack_irq_size) ? bsp_stack_irq_size : 512;
53	bsp_stack_irq_size = ALIGN (bsp_stack_irq_size, bsp_stack_align);
54
55	bsp_stack_svc_size = DEFINED (bsp_stack_svc_size) ? bsp_stack_svc_size : 512;
56	bsp_stack_svc_size = ALIGN (bsp_stack_svc_size, bsp_stack_align);
57
58	bsp_stack_und_size = DEFINED (bsp_stack_und_size) ? bsp_stack_und_size : 128;
59	bsp_stack_und_size = ALIGN (bsp_stack_und_size, bsp_stack_align);
60
61	SECTIONS {
62	.start : {
63	/*
64	* BSP: Begin of start section
65	*/
66	bsp_section_start_begin = .;
67
68	/*
69	* BSP: System startup entry
70	*/
71	KEEP (*(.bsp_start))
72	KEEP (*(.bsp_start_data))
73
74	. = ALIGN (bsp_section_start_end_align);
75
76	/*
77	* BSP: End of start section
78	*/
79	bsp_section_start_end = .;
80	} > REGION_START AT > REGION_START
81
82	bsp_section_start_size = bsp_section_start_end - bsp_section_start_begin;
83
84	.vector : {
85	/*
86	* BSP: Begin of vector section
87	*/
88	bsp_section_vector_begin = .;
89
90	/*
91	* BSP: Reserve space for the the exception vector table and
92	* the pointers to the default exceptions handlers.
93	*/
94	. = . + 64;
95
96	/*
97	* BSP: Reserve space for mode stacks
98	*/
99
100	. = ALIGN (bsp_stack_align);
101
102	bsp_stack_abt_begin = .;
103	. = . + bsp_stack_abt_size;
104	bsp_stack_abt_end = .;
105
106	bsp_stack_fiq_begin = .;
107	. = . + bsp_stack_fiq_size;
108	bsp_stack_fiq_end = .;
109
110	bsp_stack_irq_begin = .;
111	. = . + bsp_stack_irq_size;
112	bsp_stack_irq_end = .;
113
114	bsp_stack_svc_begin = .;
115	. = . + bsp_stack_svc_size;
116	bsp_stack_svc_end = .;
117
118	bsp_stack_und_begin = .;
119	. = . + bsp_stack_und_size;
120	bsp_stack_und_end = .;
121
122	/*
123	* BSP: Special vector data
124	*/
125	*(.bsp_vector)
126
127	. = ALIGN (bsp_section_vector_end_align);
128
129	/*
130	* BSP: End of vector section
131	*/
132	bsp_section_vector_end = .;
133	} > REGION_VECTOR AT > REGION_VECTOR
134
135	bsp_section_vector_size = bsp_section_vector_end - bsp_section_vector_begin;
136
137	.vbarrier : {
138	. = ALIGN (bsp_section_vbarrier_align);
139	} > REGION_VECTOR
140
141	.text : {
142	/*
143	* BSP: Begin of text section
144	*/
145	bsp_section_text_begin = .;
146
147	/*
148	* BSP: Moved into .text from .init
149	*/
150	KEEP (*(.init))
151
152	(.text .stub .text. .gnu.linkonce.t.*)
153	KEEP ((.text.personality*))
154	/* .gnu.warning sections are handled specially by elf32.em. */
155	*(.gnu.warning)
156
157	/*
158	* BSP: Magic ARM stuff
159	*/
160	(.ARM.)
161	*(.glue_7)
162	*(.glue_7t)
163	*(.vfp11_veneer)
164
165	/*
166	* BSP: Special FreeBSD sysctl sections
167	*/
168	. = ALIGN (16);
169	__start_set_sysctl_set = .;
170	(set_sysctl_);
171	__stop_set_sysctl_set = ABSOLUTE(.);
172	(set_domain_);
173	(set_pseudo_);
174
175	/*
176	* BSP: Moved into .text from .*
177	*/
178	*(.eh_frame_hdr)
179
180	/*
181	* BSP: Required by cpukit/score/src/threadhandler.c
182	*/
183	PROVIDE (_fini = .);
184
185	/*
186	* BSP: Moved into .text from .fini
187	*/
188	KEEP (*(.fini))
189
190	. = ALIGN (bsp_section_text_end_align);
191
192	/*
193	* BSP: End of text section
194	*/
195	bsp_section_text_end = .;
196	} > REGION_TEXT AT > REGION_TEXT_LOAD
197
198	bsp_section_text_size = bsp_section_text_end - bsp_section_text_begin;
199
200	bsp_section_text_load_begin = LOADADDR (.text);
201
202	.rodata : {
203	/*
204	* BSP: Begin of rodata section
205	*/
206	bsp_section_rodata_begin = .;
207
208	__start_set_modmetadata_set = .;
209	*(set_modmetadata_set);
210	__stop_set_modmetadata_set = .;
211
212	/*
213	* BSP: Moved into .rodata from .*
214	*/
215	(.rodata .rodata. .gnu.linkonce.r.*)
216	*(.rodata1)
217
218	. = ALIGN (bsp_section_rodata_end_align);
219
220	/*
221	* BSP: End of rodata section
222	*/
223	bsp_section_rodata_end = .;
224	} > REGION_RODATA AT > REGION_RODATA_LOAD
225
226	bsp_section_rodata_size = bsp_section_rodata_end - bsp_section_rodata_begin;
227
228	bsp_section_rodata_load_begin = LOADADDR (.rodata);
229
230	.robarrier : {
231	. = ALIGN (bsp_section_robarrier_align);
232	} > REGION_RODATA
233
234	.data : {
235	/*
236	* BSP: Begin of data section
237	*/
238	bsp_section_data_begin = .;
239
240	/*
241	* BSP: Moved into .data from .ctors
242	*/
243	/* gcc uses crtbegin.o to find the start of
244	the constructors, so we make sure it is
245	first. Because this is a wildcard, it
246	doesn't matter if the user does not
247	actually link against crtbegin.o; the
248	linker won't look for a file to match a
249	wildcard. The wildcard also means that it
250	doesn't matter which directory crtbegin.o
251	is in. */
252	KEEP (*crtbegin.o(.ctors))
253	KEEP (*crtbegin?.o(.ctors))
254	/* We don't want to include the .ctor section from
255	the crtend.o file until after the sorted ctors.
256	The .ctor section from the crtend file contains the
257	end of ctors marker and it must be last */
258	KEEP ((EXCLUDE_FILE (crtend.o *crtend?.o ) .ctors))
259	KEEP ((SORT(.ctors.)))
260	KEEP (*(.ctors))
261
262	/*
263	* BSP: Moved into .data from .dtors
264	*/
265	KEEP (*crtbegin.o(.dtors))
266	KEEP (*crtbegin?.o(.dtors))
267	KEEP ((EXCLUDE_FILE (crtend.o *crtend?.o ) .dtors))
268	KEEP ((SORT(.dtors.)))
269	KEEP (*(.dtors))
270
271	/*
272	* BSP: Moved into .data from .*
273	*/
274	*(.data1)
275	KEEP (*(.eh_frame))
276	(.gcc_except_table .gcc_except_table.)
277	KEEP (*(.jcr))
278
279	(.data .data. .gnu.linkonce.d.*)
280	KEEP ((.gnu.linkonce.d.personality*))
281	SORT(CONSTRUCTORS)
282
283	. = ALIGN (bsp_section_data_end_align);
284
285	/*
286	* BSP: End of data section
287	*/
288	bsp_section_data_end = .;
289	} > REGION_DATA AT > REGION_DATA_LOAD
290
291	bsp_section_data_size = bsp_section_data_end - bsp_section_data_begin;
292
293	bsp_section_data_load_begin = LOADADDR (.data);
294
295	.fast : {
296	bsp_section_fast_begin = .;
297
298	*(.bsp_fast)
299
300	. = ALIGN (bsp_section_fast_end_align);
301
302	bsp_section_fast_end = .;
303	} > REGION_FAST AT > REGION_FAST_LOAD
304
305	bsp_section_fast_size = bsp_section_fast_end - bsp_section_fast_begin;
306
307	bsp_section_fast_load_begin = LOADADDR (.fast);
308
309	.bss : {
310	/*
311	* BSP: Begin of bss section
312	*/
313	bsp_section_bss_begin = .;
314
315	*(COMMON)
316	*(.dynbss)
317	(.bss .bss. .gnu.linkonce.b.*)
318
319	. = ALIGN (bsp_section_bss_end_align);
320
321	/*
322	* BSP: End of bss section
323	*/
324	bsp_section_bss_end = .;
325	} > REGION_BSS AT > REGION_BSS
326
327	bsp_section_bss_size = bsp_section_bss_end - bsp_section_bss_begin;
328
329	.work : {
330	/*
331	* BSP: Begin of work section. The work section will occupy
332	* the remaining REGION_WORK region and contains the RTEMS work
333	* space and heap.
334	*/
335	bsp_section_work_begin = .;
336
337	. += ORIGIN (REGION_WORK) + LENGTH (REGION_WORK) - ABSOLUTE (.);
338
339	/*
340	* BSP: End of work section
341	*/
342	bsp_section_work_end = .;
343	} > REGION_WORK AT > REGION_WORK
344
345	bsp_section_work_size = bsp_section_work_end - bsp_section_work_begin;
346
347	.stack : {
348	/*
349	* BSP: Begin of stack section. The stack section will occupy
350	* the remaining REGION_STACK region and may contain the task
351	* stacks. Depending on the region distribution this section
352	* may be of zero size.
353	*/
354	bsp_section_stack_begin = .;
355
356	. += ORIGIN (REGION_STACK) + LENGTH (REGION_STACK) - ABSOLUTE (.);
357
358	/*
359	* BSP: End of stack section
360	*/
361	bsp_section_stack_end = .;
362	} > REGION_STACK AT > REGION_STACK
363
364	bsp_section_stack_size = bsp_section_stack_end - bsp_section_stack_begin;
365
366	/*
367	* BSP: External symbols (FIXME)
368	*/
369	RamBase = ORIGIN (REGION_WORK);
370	RamSize = LENGTH (REGION_WORK);
371	WorkAreaBase = bsp_section_work_begin;
372	HeapSize = 0;
373
374	/* Stabs debugging sections. */
375	.stab 0 : { *(.stab) }
376	.stabstr 0 : { *(.stabstr) }
377	.stab.excl 0 : { *(.stab.excl) }
378	.stab.exclstr 0 : { *(.stab.exclstr) }
379	.stab.index 0 : { *(.stab.index) }
380	.stab.indexstr 0 : { *(.stab.indexstr) }
381	.comment 0 : { *(.comment) }
382	/* DWARF debug sections.
383	Symbols in the DWARF debugging sections are relative to the beginning
384	of the section so we begin them at 0. */
385	/* DWARF 1 */
386	.debug 0 : { *(.debug) }
387	.line 0 : { *(.line) }
388	/* GNU DWARF 1 extensions */
389	.debug_srcinfo 0 : { *(.debug_srcinfo) }
390	.debug_sfnames 0 : { *(.debug_sfnames) }
391	/* DWARF 1.1 and DWARF 2 */
392	.debug_aranges 0 : { *(.debug_aranges) }
393	.debug_pubnames 0 : { *(.debug_pubnames) }
394	/* DWARF 2 */
395	.debug_info 0 : { (.debug_info .gnu.linkonce.wi.) }
396	.debug_abbrev 0 : { *(.debug_abbrev) }
397	.debug_line 0 : { *(.debug_line) }
398	.debug_frame 0 : { *(.debug_frame) }
399	.debug_str 0 : { *(.debug_str) }
400	.debug_loc 0 : { *(.debug_loc) }
401	.debug_macinfo 0 : { *(.debug_macinfo) }
402	/* SGI/MIPS DWARF 2 extensions */
403	.debug_weaknames 0 : { *(.debug_weaknames) }
404	.debug_funcnames 0 : { *(.debug_funcnames) }
405	.debug_typenames 0 : { *(.debug_typenames) }
406	.debug_varnames 0 : { *(.debug_varnames) }
407	/* DWARF 3 */
408	.debug_pubtypes 0 : { *(.debug_pubtypes) }
409	.debug_ranges 0 : { *(.debug_ranges) }
410	.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
411
412	/DISCARD/ : {
413	(.note.GNU-stack) (.gnu_debuglink)
414	}
415
416	/*
417	* BSP: Catch all unknown sections
418	*/
419	.nirvana : {
420	()
421	} > NIRVANA
422	}

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