Commit | Line | Data |
---|---|---|
219d1afa | 1 | # Copyright (C) 2014-2018 Free Software Foundation, Inc. |
6c19b93b | 2 | # |
985743c7 NC |
3 | # Copying and distribution of this file, with or without modification, |
4 | # are permitted in any medium without royalty provided the copyright | |
5 | # notice and this notice are preserved. | |
6 | ||
f4203b2b JL |
7 | # RODATA_PM_OFFSET |
8 | # If empty, .rodata sections will be part of .data. This is for | |
9 | # devices where it is not possible to use LD* instructions to read | |
10 | # from flash. | |
11 | # | |
12 | # If non-empty, .rodata is not part of .data and the .rodata | |
13 | # objects are assigned addresses at an offest of RODATA_PM_OFFSET. | |
14 | # This is for devices that feature reading from flash by means of | |
15 | # LD* instructions, provided the addresses are offset by | |
16 | # __RODATA_PM_OFFSET__ (which defaults to RODATA_PM_OFFSET). | |
17 | ||
7c8bf1e8 | 18 | cat <<EOF |
219d1afa | 19 | /* Copyright (C) 2014-2018 Free Software Foundation, Inc. |
985743c7 NC |
20 | |
21 | Copying and distribution of this script, with or without modification, | |
22 | are permitted in any medium without royalty provided the copyright | |
23 | notice and this notice are preserved. */ | |
24 | ||
7c8bf1e8 MM |
25 | OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}") |
26 | OUTPUT_ARCH(${ARCH}) | |
27 | ||
cb072816 SKS |
28 | __TEXT_REGION_LENGTH__ = DEFINED(__TEXT_REGION_LENGTH__) ? __TEXT_REGION_LENGTH__ : $TEXT_LENGTH; |
29 | __DATA_REGION_LENGTH__ = DEFINED(__DATA_REGION_LENGTH__) ? __DATA_REGION_LENGTH__ : $DATA_LENGTH; | |
6490dc67 GJL |
30 | ${EEPROM_LENGTH+__EEPROM_REGION_LENGTH__ = DEFINED(__EEPROM_REGION_LENGTH__) ? __EEPROM_REGION_LENGTH__ : $EEPROM_LENGTH;} |
31 | __FUSE_REGION_LENGTH__ = DEFINED(__FUSE_REGION_LENGTH__) ? __FUSE_REGION_LENGTH__ : $FUSE_LENGTH; | |
32 | __LOCK_REGION_LENGTH__ = DEFINED(__LOCK_REGION_LENGTH__) ? __LOCK_REGION_LENGTH__ : $LOCK_LENGTH; | |
33 | __SIGNATURE_REGION_LENGTH__ = DEFINED(__SIGNATURE_REGION_LENGTH__) ? __SIGNATURE_REGION_LENGTH__ : $SIGNATURE_LENGTH; | |
34 | ${USER_SIGNATURE_LENGTH+__USER_SIGNATURE_REGION_LENGTH__ = DEFINED(__USER_SIGNATURE_REGION_LENGTH__) ? __USER_SIGNATURE_REGION_LENGTH__ : $USER_SIGNATURE_LENGTH;} | |
35 | ${RODATA_PM_OFFSET+__RODATA_PM_OFFSET__ = DEFINED(__RODATA_PM_OFFSET__) ? __RODATA_PM_OFFSET__ : $RODATA_PM_OFFSET;} | |
7c8bf1e8 MM |
36 | MEMORY |
37 | { | |
cb072816 SKS |
38 | text (rx) : ORIGIN = 0, LENGTH = __TEXT_REGION_LENGTH__ |
39 | data (rw!x) : ORIGIN = $DATA_ORIGIN, LENGTH = __DATA_REGION_LENGTH__ | |
6490dc67 GJL |
40 | ${EEPROM_LENGTH+ eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = __EEPROM_REGION_LENGTH__} |
41 | $FUSE_NAME (rw!x) : ORIGIN = 0x820000, LENGTH = __FUSE_REGION_LENGTH__ | |
cb072816 SKS |
42 | lock (rw!x) : ORIGIN = 0x830000, LENGTH = __LOCK_REGION_LENGTH__ |
43 | signature (rw!x) : ORIGIN = 0x840000, LENGTH = __SIGNATURE_REGION_LENGTH__ | |
6490dc67 | 44 | ${USER_SIGNATURE_LENGTH+ user_signatures (rw!x) : ORIGIN = 0x850000, LENGTH = __USER_SIGNATURE_REGION_LENGTH__} |
7c8bf1e8 MM |
45 | } |
46 | ||
47 | SECTIONS | |
48 | { | |
49 | /* Read-only sections, merged into text segment: */ | |
50 | ${TEXT_DYNAMIC+${DYNAMIC}} | |
ec2d9b29 AM |
51 | .hash ${RELOCATING-0} : { *(.hash) } |
52 | .dynsym ${RELOCATING-0} : { *(.dynsym) } | |
53 | .dynstr ${RELOCATING-0} : { *(.dynstr) } | |
54 | .gnu.version ${RELOCATING-0} : { *(.gnu.version) } | |
55 | .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) } | |
56 | .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) } | |
57 | ||
58 | .rel.init ${RELOCATING-0} : { *(.rel.init) } | |
59 | .rela.init ${RELOCATING-0} : { *(.rela.init) } | |
60 | .rel.text ${RELOCATING-0} : | |
7c8bf1e8 MM |
61 | { |
62 | *(.rel.text) | |
63 | ${RELOCATING+*(.rel.text.*)} | |
64 | ${RELOCATING+*(.rel.gnu.linkonce.t*)} | |
65 | } | |
ec2d9b29 | 66 | .rela.text ${RELOCATING-0} : |
7c8bf1e8 MM |
67 | { |
68 | *(.rela.text) | |
69 | ${RELOCATING+*(.rela.text.*)} | |
70 | ${RELOCATING+*(.rela.gnu.linkonce.t*)} | |
71 | } | |
ec2d9b29 AM |
72 | .rel.fini ${RELOCATING-0} : { *(.rel.fini) } |
73 | .rela.fini ${RELOCATING-0} : { *(.rela.fini) } | |
74 | .rel.rodata ${RELOCATING-0} : | |
7c8bf1e8 MM |
75 | { |
76 | *(.rel.rodata) | |
77 | ${RELOCATING+*(.rel.rodata.*)} | |
78 | ${RELOCATING+*(.rel.gnu.linkonce.r*)} | |
79 | } | |
ec2d9b29 | 80 | .rela.rodata ${RELOCATING-0} : |
7c8bf1e8 MM |
81 | { |
82 | *(.rela.rodata) | |
83 | ${RELOCATING+*(.rela.rodata.*)} | |
84 | ${RELOCATING+*(.rela.gnu.linkonce.r*)} | |
85 | } | |
ec2d9b29 | 86 | .rel.data ${RELOCATING-0} : |
7c8bf1e8 MM |
87 | { |
88 | *(.rel.data) | |
89 | ${RELOCATING+*(.rel.data.*)} | |
90 | ${RELOCATING+*(.rel.gnu.linkonce.d*)} | |
91 | } | |
ec2d9b29 | 92 | .rela.data ${RELOCATING-0} : |
7c8bf1e8 MM |
93 | { |
94 | *(.rela.data) | |
95 | ${RELOCATING+*(.rela.data.*)} | |
96 | ${RELOCATING+*(.rela.gnu.linkonce.d*)} | |
97 | } | |
ec2d9b29 AM |
98 | .rel.ctors ${RELOCATING-0} : { *(.rel.ctors) } |
99 | .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) } | |
100 | .rel.dtors ${RELOCATING-0} : { *(.rel.dtors) } | |
101 | .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) } | |
102 | .rel.got ${RELOCATING-0} : { *(.rel.got) } | |
103 | .rela.got ${RELOCATING-0} : { *(.rela.got) } | |
104 | .rel.bss ${RELOCATING-0} : { *(.rel.bss) } | |
105 | .rela.bss ${RELOCATING-0} : { *(.rela.bss) } | |
106 | .rel.plt ${RELOCATING-0} : { *(.rel.plt) } | |
107 | .rela.plt ${RELOCATING-0} : { *(.rela.plt) } | |
7c8bf1e8 | 108 | |
28c9d252 | 109 | /* Internal text space or external memory. */ |
ec2d9b29 | 110 | .text ${RELOCATING-0} : |
7c8bf1e8 | 111 | { |
0c9b4fee | 112 | *(.vectors) |
df406460 | 113 | KEEP(*(.vectors)) |
0c9b4fee | 114 | |
28c9d252 | 115 | /* For data that needs to reside in the lower 64k of progmem. */ |
8c661d24 | 116 | ${RELOCATING+ *(.progmem.gcc*)} |
28c9d252 | 117 | |
861319c9 NC |
118 | /* PR 13812: Placing the trampolines here gives a better chance |
119 | that they will be in range of the code that uses them. */ | |
120 | ${RELOCATING+. = ALIGN(2);} | |
28c9d252 NC |
121 | ${CONSTRUCTING+ __trampolines_start = . ; } |
122 | /* The jump trampolines for the 16-bit limited relocs will reside here. */ | |
123 | *(.trampolines) | |
8c661d24 | 124 | ${RELOCATING+ *(.trampolines*)} |
28c9d252 NC |
125 | ${CONSTRUCTING+ __trampolines_end = . ; } |
126 | ||
1bdc036f SKS |
127 | /* avr-libc expects these data to reside in lower 64K. */ |
128 | ${RELOCATING+ *libprintf_flt.a:*(.progmem.data)} | |
129 | ${RELOCATING+ *libc.a:*(.progmem.data)} | |
130 | ||
f726cc1c | 131 | ${RELOCATING+ *(.progmem.*)} |
6c19b93b | 132 | |
778ee4a6 NC |
133 | ${RELOCATING+. = ALIGN(2);} |
134 | ||
28c9d252 NC |
135 | /* For code that needs to reside in the lower 128k progmem. */ |
136 | *(.lowtext) | |
8c661d24 | 137 | ${RELOCATING+ *(.lowtext*)} |
28c9d252 | 138 | |
0c9b4fee MM |
139 | ${CONSTRUCTING+ __ctors_start = . ; } |
140 | ${CONSTRUCTING+ *(.ctors) } | |
141 | ${CONSTRUCTING+ __ctors_end = . ; } | |
142 | ${CONSTRUCTING+ __dtors_start = . ; } | |
143 | ${CONSTRUCTING+ *(.dtors) } | |
144 | ${CONSTRUCTING+ __dtors_end = . ; } | |
df406460 NC |
145 | KEEP(SORT(*)(.ctors)) |
146 | KEEP(SORT(*)(.dtors)) | |
0c9b4fee | 147 | |
28c9d252 NC |
148 | /* From this point on, we don't bother about wether the insns are |
149 | below or above the 16 bits boundary. */ | |
0c9b4fee | 150 | *(.init0) /* Start here after reset. */ |
df406460 | 151 | KEEP (*(.init0)) |
0c9b4fee | 152 | *(.init1) |
df406460 | 153 | KEEP (*(.init1)) |
0c9b4fee | 154 | *(.init2) /* Clear __zero_reg__, set up stack pointer. */ |
df406460 | 155 | KEEP (*(.init2)) |
0c9b4fee | 156 | *(.init3) |
df406460 | 157 | KEEP (*(.init3)) |
0c9b4fee | 158 | *(.init4) /* Initialize data and BSS. */ |
df406460 | 159 | KEEP (*(.init4)) |
0c9b4fee | 160 | *(.init5) |
df406460 | 161 | KEEP (*(.init5)) |
0c9b4fee | 162 | *(.init6) /* C++ constructors. */ |
df406460 | 163 | KEEP (*(.init6)) |
0c9b4fee | 164 | *(.init7) |
df406460 | 165 | KEEP (*(.init7)) |
0c9b4fee | 166 | *(.init8) |
df406460 | 167 | KEEP (*(.init8)) |
0c9b4fee | 168 | *(.init9) /* Call main(). */ |
df406460 | 169 | KEEP (*(.init9)) |
7c8bf1e8 MM |
170 | *(.text) |
171 | ${RELOCATING+. = ALIGN(2);} | |
865acd35 | 172 | ${RELOCATING+ *(.text.*)} |
7c8bf1e8 | 173 | ${RELOCATING+. = ALIGN(2);} |
0c9b4fee | 174 | *(.fini9) /* _exit() starts here. */ |
df406460 | 175 | KEEP (*(.fini9)) |
0c9b4fee | 176 | *(.fini8) |
df406460 | 177 | KEEP (*(.fini8)) |
0c9b4fee | 178 | *(.fini7) |
df406460 | 179 | KEEP (*(.fini7)) |
0c9b4fee | 180 | *(.fini6) /* C++ destructors. */ |
df406460 | 181 | KEEP (*(.fini6)) |
0c9b4fee | 182 | *(.fini5) |
df406460 | 183 | KEEP (*(.fini5)) |
0c9b4fee | 184 | *(.fini4) |
df406460 | 185 | KEEP (*(.fini4)) |
0c9b4fee | 186 | *(.fini3) |
df406460 | 187 | KEEP (*(.fini3)) |
0c9b4fee | 188 | *(.fini2) |
df406460 | 189 | KEEP (*(.fini2)) |
0c9b4fee | 190 | *(.fini1) |
df406460 | 191 | KEEP (*(.fini1)) |
0c9b4fee | 192 | *(.fini0) /* Infinite loop after program termination. */ |
df406460 | 193 | KEEP (*(.fini0)) |
4c0b797e GJL |
194 | |
195 | /* For code that needs not to reside in the lower progmem. */ | |
196 | *(.hightext) | |
197 | ${RELOCATING+ *(.hightext*)} | |
198 | ||
f726cc1c GJL |
199 | ${RELOCATING+ *(.progmemx.*)} |
200 | ||
4c0b797e GJL |
201 | ${RELOCATING+. = ALIGN(2);} |
202 | ||
203 | /* For tablejump instruction arrays. We don't relax | |
204 | JMP / CALL instructions within these sections. */ | |
205 | *(.jumptables) | |
206 | ${RELOCATING+ *(.jumptables*)} | |
207 | ||
7c8bf1e8 MM |
208 | ${RELOCATING+ _etext = . ; } |
209 | } ${RELOCATING+ > text} | |
f4203b2b JL |
210 | EOF |
211 | ||
212 | # Devices like ATtiny816 allow to read from flash memory by means of LD* | |
213 | # instructions provided we add an offset of __RODATA_PM_OFFSET__ to the | |
214 | # flash addresses. | |
7c8bf1e8 | 215 | |
f4203b2b JL |
216 | if test -n "$RODATA_PM_OFFSET"; then |
217 | cat <<EOF | |
218 | .rodata ${RELOCATING+ ADDR(.text) + SIZEOF (.text) + __RODATA_PM_OFFSET__ } ${RELOCATING-0} : | |
219 | { | |
220 | *(.rodata) | |
221 | ${RELOCATING+ *(.rodata*)} | |
222 | *(.gnu.linkonce.r*) | |
223 | } ${RELOCATING+AT> text} | |
224 | EOF | |
225 | fi | |
226 | ||
227 | cat <<EOF | |
5ed365b4 | 228 | .data ${RELOCATING-0} : |
7c8bf1e8 MM |
229 | { |
230 | ${RELOCATING+ PROVIDE (__data_start = .) ; } | |
b4841801 | 231 | *(.data) |
8c661d24 | 232 | ${RELOCATING+ *(.data*)} |
f4203b2b JL |
233 | *(.gnu.linkonce.d*) |
234 | EOF | |
235 | ||
236 | # Classical devices that don't show flash memory in the SRAM address space | |
237 | # need .rodata to be part of .data because the compiler will use LD* | |
238 | # instructions and LD* cannot access flash. | |
239 | ||
240 | if test -z "$RODATA_PM_OFFSET"; then | |
241 | cat <<EOF | |
df406460 | 242 | *(.rodata) /* We need to include .rodata here if gcc is used */ |
865acd35 | 243 | ${RELOCATING+ *(.rodata*)} /* with -fdata-sections. */ |
f4203b2b JL |
244 | *(.gnu.linkonce.r*) |
245 | EOF | |
246 | fi | |
247 | ||
248 | cat <<EOF | |
7c8bf1e8 MM |
249 | ${RELOCATING+. = ALIGN(2);} |
250 | ${RELOCATING+ _edata = . ; } | |
0c9b4fee | 251 | ${RELOCATING+ PROVIDE (__data_end = .) ; } |
5ed365b4 | 252 | } ${RELOCATING+ > data ${RELOCATING+AT> text}} |
7c8bf1e8 | 253 | |
b4841801 | 254 | .bss ${RELOCATING+ ADDR(.data) + SIZEOF (.data)} ${RELOCATING-0} :${RELOCATING+ AT (ADDR (.bss))} |
7c8bf1e8 MM |
255 | { |
256 | ${RELOCATING+ PROVIDE (__bss_start = .) ; } | |
257 | *(.bss) | |
865acd35 | 258 | ${RELOCATING+ *(.bss*)} |
7c8bf1e8 MM |
259 | *(COMMON) |
260 | ${RELOCATING+ PROVIDE (__bss_end = .) ; } | |
0c9b4fee MM |
261 | } ${RELOCATING+ > data} |
262 | ||
263 | ${RELOCATING+ __data_load_start = LOADADDR(.data); } | |
264 | ${RELOCATING+ __data_load_end = __data_load_start + SIZEOF(.data); } | |
265 | ||
266 | /* Global data not cleared after reset. */ | |
7585b2b8 | 267 | .noinit ${RELOCATING+ ADDR(.bss) + SIZEOF (.bss)} ${RELOCATING-0}: ${RELOCATING+ AT (ADDR (.noinit))} |
0c9b4fee MM |
268 | { |
269 | ${RELOCATING+ PROVIDE (__noinit_start = .) ; } | |
270 | *(.noinit*) | |
271 | ${RELOCATING+ PROVIDE (__noinit_end = .) ; } | |
7c8bf1e8 | 272 | ${RELOCATING+ _end = . ; } |
0c9b4fee | 273 | ${RELOCATING+ PROVIDE (__heap_start = .) ; } |
7c8bf1e8 | 274 | } ${RELOCATING+ > data} |
6490dc67 GJL |
275 | EOF |
276 | ||
277 | if test -n "${EEPROM_LENGTH}"; then | |
278 | cat <<EOF | |
7c8bf1e8 | 279 | |
ec2d9b29 | 280 | .eeprom ${RELOCATING-0}: |
7c8bf1e8 | 281 | { |
b176ded1 NC |
282 | /* See .data above... */ |
283 | KEEP(*(.eeprom*)) | |
7c8bf1e8 MM |
284 | ${RELOCATING+ __eeprom_end = . ; } |
285 | } ${RELOCATING+ > eeprom} | |
6490dc67 GJL |
286 | EOF |
287 | fi | |
288 | ||
289 | if test "$FUSE_NAME" = "fuse" ; then | |
290 | cat <<EOF | |
7c8bf1e8 | 291 | |
ef844a53 EW |
292 | .fuse ${RELOCATING-0}: |
293 | { | |
294 | KEEP(*(.fuse)) | |
295 | KEEP(*(.lfuse)) | |
296 | KEEP(*(.hfuse)) | |
297 | KEEP(*(.efuse)) | |
298 | } ${RELOCATING+ > fuse} | |
6490dc67 GJL |
299 | EOF |
300 | fi | |
301 | ||
302 | cat <<EOF | |
ef844a53 EW |
303 | |
304 | .lock ${RELOCATING-0}: | |
305 | { | |
306 | KEEP(*(.lock*)) | |
307 | } ${RELOCATING+ > lock} | |
308 | ||
309 | .signature ${RELOCATING-0}: | |
310 | { | |
311 | KEEP(*(.signature*)) | |
312 | } ${RELOCATING+ > signature} | |
6490dc67 GJL |
313 | EOF |
314 | ||
315 | if test "$FUSE_NAME" = "config" ; then | |
316 | cat <<EOF | |
317 | ||
318 | .config ${RELOCATING-0}: | |
319 | { | |
320 | KEEP(*(.config*)) | |
321 | } ${RELOCATING+ > config} | |
322 | EOF | |
323 | fi | |
324 | ||
325 | cat <<EOF | |
ef844a53 | 326 | |
7c8bf1e8 MM |
327 | /* Stabs debugging sections. */ |
328 | .stab 0 : { *(.stab) } | |
329 | .stabstr 0 : { *(.stabstr) } | |
330 | .stab.excl 0 : { *(.stab.excl) } | |
331 | .stab.exclstr 0 : { *(.stab.exclstr) } | |
332 | .stab.index 0 : { *(.stab.index) } | |
333 | .stab.indexstr 0 : { *(.stab.indexstr) } | |
6c19b93b | 334 | .comment 0 : { *(.comment) } |
2cfa18a9 | 335 | .note.gnu.build-id : { *(.note.gnu.build-id) } |
ceb0a680 | 336 | EOF |
2a995fc1 | 337 | |
d061dfac | 338 | . $srcdir/scripttempl/DWARF.sc |
2a995fc1 | 339 | |
ceb0a680 | 340 | cat <<EOF |
7c8bf1e8 MM |
341 | } |
342 | EOF |