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linkcmds.tqm8xx_base @ 6494f7d

Last change on this file since 6494f7d was 375e923d, checked in by Sebastian Huber <sebastian.huber@…>, on 01/03/18 at 08:08:59

bsps/powerpc: Rename BSP specific linkcmds.base

Avoid name conflicts with shared linkcmds.base.

Update #3254.

Property mode set to 100644

File size: 8.1 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	STARTUP (start.o)
11	EXTERN (__vectors)
12
13	bsp_ram_start = ORIGIN (RAM);
14	bsp_ram_end = ORIGIN (RAM) + LENGTH (RAM);
15	bsp_ram_size = LENGTH (RAM);
16
17	bsp_rom_start = ORIGIN (ROM);
18	bsp_rom_end = ORIGIN (ROM) + LENGTH (ROM);
19	bsp_rom_size = LENGTH (ROM);
20
21	bsp_section_align = 32;
22
23	MEMORY {
24	UNEXPECTED_SECTIONS : ORIGIN = 0xffffffff, LENGTH = 0
25	}
26
27	SECTIONS {
28
29	dpram :
30	{
31	m8xx = .;
32	_m8xx = .;
33	/* . += (16 * 1024); this makes the mbx loader crash */
34	} >immr
35
36	/*
37	* BSP: Exception vectors
38	*/
39	.vectors 0x100 : {
40	*(.vectors)
41	} > RAM
42
43	/*
44	* BSP: The initial stack will live in this area - between the vectors
45	* and the text section.
46	*/
47
48	.text 0x10000 : {
49	/*
50	* BSP: Start of text section
51	*/
52	bsp_section_text_start = .;
53
54	/*
55	* BSP: System startup entry
56	*/
57	KEEP (*(.entry))
58
59	/*
60	* BSP: Moved into .text from .init
61	*/
62	KEEP (*(.init))
63
64	(.text .stub .text. .gnu.linkonce.t.*)
65	KEEP ((.text.personality*))
66	/* .gnu.warning sections are handled specially by elf32.em. */
67	*(.gnu.warning)
68	*(.glink)
69
70	/*
71	* BSP: Special FreeBSD sysctl sections
72	*/
73	. = ALIGN (16);
74	__start_set_sysctl_set = .;
75	(set_sysctl_);
76	__stop_set_sysctl_set = ABSOLUTE(.);
77	(set_domain_);
78	(set_pseudo_);
79
80	/*
81	* BSP: Moved into .text from .*
82	*/
83	(.rodata .rodata. .gnu.linkonce.r.*)
84	*(.rodata1)
85	KEEP ((SORT(.rtemsroset.)))
86	*(.interp)
87	*(.note.gnu.build-id)
88	*(.hash)
89	*(.gnu.hash)
90	*(.dynsym)
91	*(.dynstr)
92	*(.gnu.version)
93	*(.gnu.version_d)
94	*(.gnu.version_r)
95	*(.eh_frame_hdr)
96
97	/*
98	* BSP: Magic PPC stuff
99	*/
100	(.PPC.)
101
102	/*
103	* BSP: Required by cpukit/score/src/threadhandler.c
104	*/
105	PROVIDE (_fini = .);
106
107	/*
108	* BSP: Moved into .text from .fini
109	*/
110	KEEP (*(.fini))
111
112	. = ALIGN (bsp_section_align);
113
114	PROVIDE (__etext = .);
115	PROVIDE (_etext = .);
116	PROVIDE (etext = .);
117	} > RAM
118
119	.tdata : {
120	_TLS_Data_begin = .;
121	(.tdata .tdata. .gnu.linkonce.td.*)
122	_TLS_Data_end = .;
123	} > RAM
124
125	.tbss : {
126	_TLS_BSS_begin = .;
127	(.tbss .tbss. .gnu.linkonce.tb.) (.tcommon)
128	_TLS_BSS_end = .;
129	} > RAM
130
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
138	.sdata2 : {
139	PROVIDE (_SDA2_BASE_ = 32768);
140
141	(.sdata2 .sdata2. .gnu.linkonce.s2.*)
142
143	. = ALIGN (bsp_section_align);
144	} > RAM
145
146	.sbss2 : {
147	(.sbss2 .sbss2. .gnu.linkonce.sb2.*)
148
149	. = ALIGN (bsp_section_align);
150
151	/*
152	* BSP: End and size of text section
153	*/
154	bsp_section_text_end = .;
155	bsp_section_text_size = bsp_section_text_end - bsp_section_text_start;
156	} > RAM
157
158	.data : {
159	/*
160	* BSP: Start of data section
161	*/
162	bsp_section_data_start = .;
163
164	/*
165	* BSP: Moved into .data from .ctors
166	*/
167	/* gcc uses crtbegin.o to find the start of
168	the constructors, so we make sure it is
169	first. Because this is a wildcard, it
170	doesn't matter if the user does not
171	actually link against crtbegin.o; the
172	linker won't look for a file to match a
173	wildcard. The wildcard also means that it
174	doesn't matter which directory crtbegin.o
175	is in. */
176	KEEP (*crtbegin.o(.ctors))
177	KEEP (*crtbegin?.o(.ctors))
178	/* We don't want to include the .ctor section from
179	the crtend.o file until after the sorted ctors.
180	The .ctor section from the crtend file contains the
181	end of ctors marker and it must be last */
182	KEEP ((EXCLUDE_FILE (crtend.o *crtend?.o ) .ctors))
183	KEEP ((SORT(.ctors.)))
184	KEEP (*(.ctors))
185
186	/*
187	* BSP: Moved into .data from .dtors
188	*/
189	KEEP (*crtbegin.o(.dtors))
190	KEEP (*crtbegin?.o(.dtors))
191	KEEP ((EXCLUDE_FILE (crtend.o *crtend?.o ) .dtors))
192	KEEP ((SORT(.dtors.)))
193	KEEP (*(.dtors))
194
195	/*
196	* BSP: Moved into .data from .*
197	*/
198	(.tdata .tdata. .gnu.linkonce.td.*)
199	(.tbss .tbss. .gnu.linkonce.tb.) (.tcommon)
200	*(.data1)
201	KEEP (*(.eh_frame))
202	(.gcc_except_table .gcc_except_table.)
203	KEEP (*(.jcr))
204	(.data.rel.ro.local .gnu.linkonce.d.rel.ro.local.) (.data.rel.ro* .gnu.linkonce.d.rel.ro.*)
205	*(.fixup)
206	*(.got1)
207	*(.got2)
208	*(.dynamic)
209	*(.got)
210	*(.plt)
211	PROVIDE_HIDDEN (__preinit_array_start = .);
212	KEEP (*(.preinit_array))
213	PROVIDE_HIDDEN (__preinit_array_end = .);
214	PROVIDE_HIDDEN (__init_array_start = .);
215	KEEP ((SORT(.init_array.)))
216	KEEP (*(.init_array))
217	PROVIDE_HIDDEN (__init_array_end = .);
218	PROVIDE_HIDDEN (__fini_array_start = .);
219	KEEP (*(.fini_array))
220	KEEP ((SORT(.fini_array.)))
221	PROVIDE_HIDDEN (__fini_array_end = .);
222
223	(.data .data. .gnu.linkonce.d.*)
224	KEEP ((SORT(.rtemsrwset.)))
225	KEEP ((.gnu.linkonce.d.personality*))
226	SORT(CONSTRUCTORS)
227
228	. = ALIGN (bsp_section_align);
229	} > RAM
230
231	.sdata : {
232	PROVIDE (_SDA_BASE_ = 32768);
233	(.sdata .sdata. .gnu.linkonce.s.*)
234
235	. = ALIGN (bsp_section_align);
236
237	_edata = .;
238	PROVIDE (edata = .);
239
240	/*
241	* BSP: End and size of data section
242	*/
243	bsp_section_data_end = .;
244	bsp_section_data_size = bsp_section_data_end - bsp_section_data_start;
245	} > RAM
246
247	.sbss : {
248	/*
249	* BSP: Start of bss section
250	*/
251	bsp_section_bss_start = .;
252
253	__bss_start = .;
254
255	PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);
256	*(.scommon)
257	*(.dynsbss)
258	(.sbss .sbss. .gnu.linkonce.sb.*)
259	PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);
260
261	. = ALIGN (bsp_section_align);
262	} > RAM
263
264	.bss : {
265	*(COMMON)
266	*(.dynbss)
267	(.bss .bss. .gnu.linkonce.b.*)
268
269	. = ALIGN (bsp_section_align);
270
271	__end = .;
272	_end = .;
273	PROVIDE (end = .);
274
275	/*
276	* BSP: End and size of bss section
277	*/
278	bsp_section_bss_end = .;
279	bsp_section_bss_size = bsp_section_bss_end - bsp_section_bss_start;
280	} > RAM
281
282	/*
283	* BSP: Interrupt stack
284	*/
285	bsp_interrupt_stack_start = .;
286	bsp_interrupt_stack_end = bsp_interrupt_stack_start + 32k;
287	bsp_interrupt_stack_size = bsp_interrupt_stack_end - bsp_interrupt_stack_start;
288	. = bsp_interrupt_stack_end;
289
290	/*
291	* BSP: Work area start
292	*/
293	bsp_work_area_start = .;
294
295	/* Stabs debugging sections. */
296	.stab 0 : { *(.stab) }
297	.stabstr 0 : { *(.stabstr) }
298	.stab.excl 0 : { *(.stab.excl) }
299	.stab.exclstr 0 : { *(.stab.exclstr) }
300	.stab.index 0 : { *(.stab.index) }
301	.stab.indexstr 0 : { *(.stab.indexstr) }
302	.comment 0 : { *(.comment) }
303	/* DWARF debug sections.
304	Symbols in the DWARF debugging sections are relative to the beginning
305	of the section so we begin them at 0. */
306	/* DWARF 1 */
307	.debug 0 : { *(.debug) }
308	.line 0 : { *(.line) }
309	/* GNU DWARF 1 extensions */
310	.debug_srcinfo 0 : { *(.debug_srcinfo) }
311	.debug_sfnames 0 : { *(.debug_sfnames) }
312	/* DWARF 1.1 and DWARF 2 */
313	.debug_aranges 0 : { *(.debug_aranges) }
314	.debug_pubnames 0 : { *(.debug_pubnames) }
315	/* DWARF 2 */
316	.debug_info 0 : { (.debug_info .gnu.linkonce.wi.) }
317	.debug_abbrev 0 : { *(.debug_abbrev) }
318	.debug_line 0 : { *(.debug_line) }
319	.debug_frame 0 : { *(.debug_frame) }
320	.debug_str 0 : { *(.debug_str) }
321	.debug_loc 0 : { *(.debug_loc) }
322	.debug_macinfo 0 : { *(.debug_macinfo) }
323	/* SGI/MIPS DWARF 2 extensions */
324	.debug_weaknames 0 : { *(.debug_weaknames) }
325	.debug_funcnames 0 : { *(.debug_funcnames) }
326	.debug_typenames 0 : { *(.debug_typenames) }
327	.debug_varnames 0 : { *(.debug_varnames) }
328	/* DWARF 3 */
329	.debug_pubtypes 0 : { *(.debug_pubtypes) }
330	.debug_ranges 0 : { *(.debug_ranges) }
331	/* DWARF extension */
332	.debug_macro 0 : { *(.debug_macro) }
333	.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
334
335	/DISCARD/ : {
336	(.note.GNU-stack) (.gnu_debuglink)
337	}
338
339	/*
340	* This is a RTEMS specific section to catch all unexpected input
341	* sections. In case you get an error like
342	* "section `.unexpected_sections' will not fit in region
343	* `UNEXPECTED_SECTIONS'"
344	* you have to figure out the offending input section and add it to the
345	* appropriate output section definition above.
346	*/
347	.unexpected_sections : { () } > UNEXPECTED_SECTIONS
348	}

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