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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: 7.9 KB

Line
1	/**
2	* @file
3	*
4	* Derived from internal linker script of GNU ld (GNU Binutils) 2.18 for elf32ppc emulation.
5	*/
6
7	OUTPUT_FORMAT ("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
8	OUTPUT_ARCH (powerpc)
9	ENTRY (start)
10
11	bsp_ram_start = ORIGIN (RAM);
12	bsp_ram_end = ORIGIN (RAM) + LENGTH (RAM);
13	bsp_ram_size = LENGTH (RAM);
14
15	bsp_rom_start = ORIGIN (ROM);
16	bsp_rom_end = ORIGIN (ROM) + LENGTH (ROM);
17	bsp_rom_size = LENGTH (ROM);
18
19	bsp_section_align = 32;
20
21	MEMORY {
22	UNEXPECTED_SECTIONS : ORIGIN = 0xffffffff, LENGTH = 0
23	}
24
25	SECTIONS {
26
27	dpram :
28	{
29	m8xx = .;
30	_m8xx = .;
31	/* . += (16 * 1024); this makes the mbx loader crash */
32	} >immr
33
34	/*
35	* BSP: Exception vectors
36	*/
37	.vectors 0x100 : {
38	*(.vectors)
39	} > RAM
40
41	/*
42	* BSP: The initial stack will live in this area - between the vectors
43	* and the text section.
44	*/
45
46	.text 0x10000 : {
47	/*
48	* BSP: Start of text section
49	*/
50	bsp_section_text_start = .;
51
52	/*
53	* BSP: System startup entry
54	*/
55	KEEP (*(.entry))
56
57	/*
58	* BSP: Moved into .text from .init
59	*/
60	KEEP (*(.init))
61
62	(.text .stub .text. .gnu.linkonce.t.*)
63	KEEP ((.text.personality*))
64	/* .gnu.warning sections are handled specially by elf32.em. */
65	*(.gnu.warning)
66	*(.glink)
67
68	/*
69	* BSP: Special FreeBSD sysctl sections
70	*/
71	. = ALIGN (16);
72	__start_set_sysctl_set = .;
73	(set_sysctl_);
74	__stop_set_sysctl_set = ABSOLUTE(.);
75	(set_domain_);
76	(set_pseudo_);
77
78	/*
79	* BSP: Moved into .text from .*
80	*/
81	(.rodata .rodata. .gnu.linkonce.r.*)
82	*(.rodata1)
83	*(.interp)
84	*(.note.gnu.build-id)
85	*(.hash)
86	*(.gnu.hash)
87	*(.dynsym)
88	*(.dynstr)
89	*(.gnu.version)
90	*(.gnu.version_d)
91	*(.gnu.version_r)
92	*(.eh_frame_hdr)
93
94	/*
95	* BSP: Magic PPC stuff
96	*/
97	(.PPC.)
98
99	/*
100	* BSP: Required by cpukit/score/src/threadhandler.c
101	*/
102	PROVIDE (_fini = .);
103
104	/*
105	* BSP: Moved into .text from .fini
106	*/
107	KEEP (*(.fini))
108
109	. = ALIGN (bsp_section_align);
110
111	PROVIDE (__etext = .);
112	PROVIDE (_etext = .);
113	PROVIDE (etext = .);
114	} > RAM
115
116	.tdata : {
117	_TLS_Data_begin = .;
118	(.tdata .tdata. .gnu.linkonce.td.*)
119	_TLS_Data_end = .;
120	} > RAM
121
122	.tbss : {
123	_TLS_BSS_begin = .;
124	(.tbss .tbss. .gnu.linkonce.tb.) (.tcommon)
125	_TLS_BSS_end = .;
126	} > RAM
127
128	_TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
129	_TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
130	_TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
131	_TLS_Alignment = ALIGNOF (.tdata);
132
133	.sdata2 : {
134	PROVIDE (_SDA2_BASE_ = 32768);
135
136	(.sdata2 .sdata2. .gnu.linkonce.s2.*)
137
138	. = ALIGN (bsp_section_align);
139	} > RAM
140
141	.sbss2 : {
142	(.sbss2 .sbss2. .gnu.linkonce.sb2.*)
143
144	. = ALIGN (bsp_section_align);
145
146	/*
147	* BSP: End and size of text section
148	*/
149	bsp_section_text_end = .;
150	bsp_section_text_size = bsp_section_text_end - bsp_section_text_start;
151	} > RAM
152
153	.data : {
154	/*
155	* BSP: Start of data section
156	*/
157	bsp_section_data_start = .;
158
159	/*
160	* BSP: Moved into .data from .ctors
161	*/
162	/* gcc uses crtbegin.o to find the start of
163	the constructors, so we make sure it is
164	first. Because this is a wildcard, it
165	doesn't matter if the user does not
166	actually link against crtbegin.o; the
167	linker won't look for a file to match a
168	wildcard. The wildcard also means that it
169	doesn't matter which directory crtbegin.o
170	is in. */
171	KEEP (*crtbegin.o(.ctors))
172	KEEP (*crtbegin?.o(.ctors))
173	/* We don't want to include the .ctor section from
174	the crtend.o file until after the sorted ctors.
175	The .ctor section from the crtend file contains the
176	end of ctors marker and it must be last */
177	KEEP ((EXCLUDE_FILE (crtend.o *crtend?.o ) .ctors))
178	KEEP ((SORT(.ctors.)))
179	KEEP (*(.ctors))
180
181	/*
182	* BSP: Moved into .data from .dtors
183	*/
184	KEEP (*crtbegin.o(.dtors))
185	KEEP (*crtbegin?.o(.dtors))
186	KEEP ((EXCLUDE_FILE (crtend.o *crtend?.o ) .dtors))
187	KEEP ((SORT(.dtors.)))
188	KEEP (*(.dtors))
189
190	/*
191	* BSP: Moved into .data from .*
192	*/
193	(.tdata .tdata. .gnu.linkonce.td.*)
194	(.tbss .tbss. .gnu.linkonce.tb.) (.tcommon)
195	*(.data1)
196	KEEP (*(.eh_frame))
197	(.gcc_except_table .gcc_except_table.)
198	KEEP (*(.jcr))
199	(.data.rel.ro.local .gnu.linkonce.d.rel.ro.local.) (.data.rel.ro* .gnu.linkonce.d.rel.ro.*)
200	*(.fixup)
201	*(.got1)
202	*(.got2)
203	*(.dynamic)
204	*(.got)
205	*(.plt)
206	PROVIDE_HIDDEN (__preinit_array_start = .);
207	KEEP (*(.preinit_array))
208	PROVIDE_HIDDEN (__preinit_array_end = .);
209	PROVIDE_HIDDEN (__init_array_start = .);
210	KEEP ((SORT(.init_array.)))
211	KEEP (*(.init_array))
212	PROVIDE_HIDDEN (__init_array_end = .);
213	PROVIDE_HIDDEN (__fini_array_start = .);
214	KEEP (*(.fini_array))
215	KEEP ((SORT(.fini_array.)))
216	PROVIDE_HIDDEN (__fini_array_end = .);
217
218	(.data .data. .gnu.linkonce.d.*)
219	KEEP ((.gnu.linkonce.d.personality*))
220	SORT(CONSTRUCTORS)
221
222	. = ALIGN (bsp_section_align);
223	} > RAM
224
225	.sdata : {
226	PROVIDE (_SDA_BASE_ = 32768);
227	(.sdata .sdata. .gnu.linkonce.s.*)
228
229	. = ALIGN (bsp_section_align);
230
231	_edata = .;
232	PROVIDE (edata = .);
233
234	/*
235	* BSP: End and size of data section
236	*/
237	bsp_section_data_end = .;
238	bsp_section_data_size = bsp_section_data_end - bsp_section_data_start;
239	} > RAM
240
241	.sbss : {
242	/*
243	* BSP: Start of bss section
244	*/
245	bsp_section_bss_start = .;
246
247	__bss_start = .;
248
249	PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);
250	*(.scommon)
251	*(.dynsbss)
252	(.sbss .sbss. .gnu.linkonce.sb.*)
253	PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);
254
255	. = ALIGN (bsp_section_align);
256	} > RAM
257
258	.bss : {
259	*(COMMON)
260	*(.dynbss)
261	(.bss .bss. .gnu.linkonce.b.*)
262
263	. = ALIGN (bsp_section_align);
264
265	__end = .;
266	_end = .;
267	PROVIDE (end = .);
268
269	/*
270	* BSP: End and size of bss section
271	*/
272	bsp_section_bss_end = .;
273	bsp_section_bss_size = bsp_section_bss_end - bsp_section_bss_start;
274	} > RAM
275
276	/*
277	* BSP: Interrupt stack
278	*/
279	bsp_interrupt_stack_start = .;
280	bsp_interrupt_stack_end = bsp_interrupt_stack_start + 32k;
281	bsp_interrupt_stack_size = bsp_interrupt_stack_end - bsp_interrupt_stack_start;
282	. = bsp_interrupt_stack_end;
283
284	/*
285	* BSP: Work area start
286	*/
287	bsp_work_area_start = .;
288
289	/* Stabs debugging sections. */
290	.stab 0 : { *(.stab) }
291	.stabstr 0 : { *(.stabstr) }
292	.stab.excl 0 : { *(.stab.excl) }
293	.stab.exclstr 0 : { *(.stab.exclstr) }
294	.stab.index 0 : { *(.stab.index) }
295	.stab.indexstr 0 : { *(.stab.indexstr) }
296	.comment 0 : { *(.comment) }
297	/* DWARF debug sections.
298	Symbols in the DWARF debugging sections are relative to the beginning
299	of the section so we begin them at 0. */
300	/* DWARF 1 */
301	.debug 0 : { *(.debug) }
302	.line 0 : { *(.line) }
303	/* GNU DWARF 1 extensions */
304	.debug_srcinfo 0 : { *(.debug_srcinfo) }
305	.debug_sfnames 0 : { *(.debug_sfnames) }
306	/* DWARF 1.1 and DWARF 2 */
307	.debug_aranges 0 : { *(.debug_aranges) }
308	.debug_pubnames 0 : { *(.debug_pubnames) }
309	/* DWARF 2 */
310	.debug_info 0 : { (.debug_info .gnu.linkonce.wi.) }
311	.debug_abbrev 0 : { *(.debug_abbrev) }
312	.debug_line 0 : { *(.debug_line) }
313	.debug_frame 0 : { *(.debug_frame) }
314	.debug_str 0 : { *(.debug_str) }
315	.debug_loc 0 : { *(.debug_loc) }
316	.debug_macinfo 0 : { *(.debug_macinfo) }
317	/* SGI/MIPS DWARF 2 extensions */
318	.debug_weaknames 0 : { *(.debug_weaknames) }
319	.debug_funcnames 0 : { *(.debug_funcnames) }
320	.debug_typenames 0 : { *(.debug_typenames) }
321	.debug_varnames 0 : { *(.debug_varnames) }
322	/* DWARF 3 */
323	.debug_pubtypes 0 : { *(.debug_pubtypes) }
324	.debug_ranges 0 : { *(.debug_ranges) }
325	/* DWARF extension */
326	.debug_macro 0 : { *(.debug_macro) }
327	.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
328
329	/DISCARD/ : {
330	(.note.GNU-stack) (.gnu_debuglink)
331	}
332
333	/*
334	* This is a RTEMS specific section to catch all unexpected input
335	* sections. In case you get an error like
336	* "section `.unexpected_sections' will not fit in region
337	* `UNEXPECTED_SECTIONS'"
338	* you have to figure out the offending input section and add it to the
339	* appropriate output section definition above.
340	*/
341	.unexpected_sections : { () } > UNEXPECTED_SECTIONS
342	}

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