1 /*-
2 * Copyright (c) 2001, 2004, 2008, Juniper Networks, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the Juniper Networks, Inc. nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY JUNIPER NETWORKS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL JUNIPER NETWORKS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * JNPR: ldscript.mips,v 1.3 2006/10/11 06:12:04
30 * $FreeBSD$
31 */
32
33 /*
34 * This linker script is needed to build a kernel for use by Broadcom CFE
35 * when loaded over TFTP; its ELF loader does not support backwards seek
36 * on network I/O streams.
37 * Furthermore, CFE will only load PT_LOAD segments, therefore the dynamic
38 * sections must be placed in their own segment.
39 */
40
41 ENTRY(_start)
42 SEARCH_DIR(/usr/lib);
43
44 PHDRS
45 {
46 headers PT_PHDR FILEHDR PHDRS ;
47 interp PT_INTERP ;
48 text PT_LOAD ;
49 dynamic PT_LOAD ;
50 data PT_LOAD ;
51 }
52
53 SECTIONS
54 {
55 /* Read-only sections, merged into text segment: */
56 . = KERNLOADADDR ;
57 .interp : { *(.interp) } :interp
58 .hash : { *(.hash) } :text
59 .dynsym : { *(.dynsym) }
60 .dynstr : { *(.dynstr) }
61 .gnu.version : { *(.gnu.version) }
62 .gnu.version_d : { *(.gnu.version_d) }
63 .gnu.version_r : { *(.gnu.version_r) }
64 .rel.init : { *(.rel.init) }
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66 .rel.text :
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73 {
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80 .rel.rodata :
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99 {
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108 .rel.got : { *(.rel.got) }
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159 {
160 *(.rel.bss)
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162 *(.rel.gnu.linkonce.b.*)
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164 .rela.bss :
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168 *(.rela.gnu.linkonce.b.*)
169 }
170 .rel.plt : { *(.rel.plt) }
171 .rela.plt : { *(.rela.plt) }
172 .init :
173 {
174 KEEP (*(.init))
175 } :text =0x1000000
176 .text :
177 {
178 *(.trap)
179 *(.text)
180 *(.text.*)
181 *(.stub)
182 /* .gnu.warning sections are handled specially by elf32.em. */
183 *(.gnu.warning)
184 *(.gnu.linkonce.t.*)
185 } =0x1000000
186 .fini :
187 {
188 KEEP (*(.fini))
189 } =0x1000000
190 PROVIDE (__etext = .);
191 PROVIDE (_etext = .);
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198 . = ALIGN(0x2000) + (. & (0x2000 - 1));
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202 *(.data.*)
203 *(.gnu.linkonce.d.*)
204 SORT(CONSTRUCTORS)
205 } :data
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207 .eh_frame : { KEEP (*(.eh_frame)) }
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209 .ctors :
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212 the constructors, so we make sure it is
213 first. Because this is a wildcard, it
214 doesn't matter if the user does not
215 actually link against crtbegin.o; the
216 linker won't look for a file to match a
217 wildcard. The wildcard also means that it
218 doesn't matter which directory crtbegin.o
219 is in. */
220 KEEP (*crtbegin.o(.ctors))
221 /* We don't want to include the .ctor section from
222 from the crtend.o file until after the sorted ctors.
223 The .ctor section from the crtend file contains the
224 end of ctors marker and it must be last */
225 KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors))
226 KEEP (*(SORT(.ctors.*)))
227 KEEP (*(.ctors))
228 }
229 .dtors :
230 {
231 KEEP (*crtbegin.o(.dtors))
232 KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
233 KEEP (*(SORT(.dtors.*)))
234 KEEP (*(.dtors))
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246 *(.sdata.*)
247 *(.gnu.linkonce.s.*)
248 }
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254 PROVIDE (__sbss_start = .);
255 PROVIDE (___sbss_start = .);
256 *(.dynsbss)
257 *(.sbss)
258 *(.sbss.*)
259 *(.gnu.linkonce.sb.*)
260 *(.scommon)
261 PROVIDE (__sbss_end = .);
262 PROVIDE (___sbss_end = .);
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264 .bss :
265 {
266 *(.dynbss)
267 *(.bss)
268 *(.bss.*)
269 *(.gnu.linkonce.b.*)
270 *(COMMON)
271 /* Align here to ensure that the .bss section occupies space up to
272 _end. Align after .bss to ensure correct alignment even if the
273 .bss section disappears because there are no input sections. */
274 . = ALIGN(64 / 8);
275 }
276 . = ALIGN(64 / 8);
277 _end = .;
278 PROVIDE (end = .);
279 /* Stabs debugging sections. */
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281 .stabstr 0 : { *(.stabstr) }
282 .stab.excl 0 : { *(.stab.excl) }
283 .stab.exclstr 0 : { *(.stab.exclstr) }
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285 .stab.indexstr 0 : { *(.stab.indexstr) }
286 .comment 0 : { *(.comment) }
287 /* DWARF debug sections.
288 Symbols in the DWARF debugging sections are relative to the beginning
289 of the section so we begin them at 0. */
290 /* DWARF 1 */
291 .debug 0 : { *(.debug) }
292 .line 0 : { *(.line) }
293 /* GNU DWARF 1 extensions */
294 .debug_srcinfo 0 : { *(.debug_srcinfo) }
295 .debug_sfnames 0 : { *(.debug_sfnames) }
296 /* DWARF 1.1 and DWARF 2 */
297 .debug_aranges 0 : { *(.debug_aranges) }
298 .debug_pubnames 0 : { *(.debug_pubnames) }
299 /* DWARF 2 */
300 .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
301 .debug_abbrev 0 : { *(.debug_abbrev) }
302 .debug_line 0 : { *(.debug_line) }
303 .debug_frame 0 : { *(.debug_frame) }
304 .debug_str 0 : { *(.debug_str) }
305 .debug_loc 0 : { *(.debug_loc) }
306 .debug_macinfo 0 : { *(.debug_macinfo) }
307 /* SGI/MIPS DWARF 2 extensions */
308 .debug_weaknames 0 : { *(.debug_weaknames) }
309 .debug_funcnames 0 : { *(.debug_funcnames) }
310 .debug_typenames 0 : { *(.debug_typenames) }
311 .debug_varnames 0 : { *(.debug_varnames) }
312 /* These must appear regardless of . */
313 }
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