1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
cat <<EOF
OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}")
OUTPUT_ARCH(${ARCH})
MEMORY
{
text (rx) : ORIGIN = 0, LENGTH = $TEXT_LENGTH
data (rw!x) : ORIGIN = $DATA_ORIGIN, LENGTH = $DATA_LENGTH
eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = 64K
fuse (rw!x) : ORIGIN = 0x820000, LENGTH = 1K
lock (rw!x) : ORIGIN = 0x830000, LENGTH = 1K
signature (rw!x) : ORIGIN = 0x840000, LENGTH = 1K
}
SECTIONS
{
/* Read-only sections, merged into text segment: */
${TEXT_DYNAMIC+${DYNAMIC}}
.hash ${RELOCATING-0} : { *(.hash) }
.dynsym ${RELOCATING-0} : { *(.dynsym) }
.dynstr ${RELOCATING-0} : { *(.dynstr) }
.gnu.version ${RELOCATING-0} : { *(.gnu.version) }
.gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) }
.gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) }
.rel.init ${RELOCATING-0} : { *(.rel.init) }
.rela.init ${RELOCATING-0} : { *(.rela.init) }
.rel.text ${RELOCATING-0} :
{
*(.rel.text)
${RELOCATING+*(.rel.text.*)}
${RELOCATING+*(.rel.gnu.linkonce.t*)}
}
.rela.text ${RELOCATING-0} :
{
*(.rela.text)
${RELOCATING+*(.rela.text.*)}
${RELOCATING+*(.rela.gnu.linkonce.t*)}
}
.rel.fini ${RELOCATING-0} : { *(.rel.fini) }
.rela.fini ${RELOCATING-0} : { *(.rela.fini) }
.rel.rodata ${RELOCATING-0} :
{
*(.rel.rodata)
${RELOCATING+*(.rel.rodata.*)}
${RELOCATING+*(.rel.gnu.linkonce.r*)}
}
.rela.rodata ${RELOCATING-0} :
{
*(.rela.rodata)
${RELOCATING+*(.rela.rodata.*)}
${RELOCATING+*(.rela.gnu.linkonce.r*)}
}
.rel.data ${RELOCATING-0} :
{
*(.rel.data)
${RELOCATING+*(.rel.data.*)}
${RELOCATING+*(.rel.gnu.linkonce.d*)}
}
.rela.data ${RELOCATING-0} :
{
*(.rela.data)
${RELOCATING+*(.rela.data.*)}
${RELOCATING+*(.rela.gnu.linkonce.d*)}
}
.rel.ctors ${RELOCATING-0} : { *(.rel.ctors) }
.rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
.rel.dtors ${RELOCATING-0} : { *(.rel.dtors) }
.rela.dtors ${RELOCATING-0} : { *(.rela.dtors) }
.rel.got ${RELOCATING-0} : { *(.rel.got) }
.rela.got ${RELOCATING-0} : { *(.rela.got) }
.rel.bss ${RELOCATING-0} : { *(.rel.bss) }
.rela.bss ${RELOCATING-0} : { *(.rela.bss) }
.rel.plt ${RELOCATING-0} : { *(.rel.plt) }
.rela.plt ${RELOCATING-0} : { *(.rela.plt) }
/* Internal text space or external memory. */
.text ${RELOCATING-0} :
{
*(.vectors)
KEEP(*(.vectors))
/* For data that needs to reside in the lower 64k of progmem. */
*(.progmem.gcc*)
/* PR 13812: Placing the trampolines here gives a better chance
that they will be in range of the code that uses them. */
${RELOCATING+. = ALIGN(2);}
${CONSTRUCTING+ __trampolines_start = . ; }
/* The jump trampolines for the 16-bit limited relocs will reside here. */
*(.trampolines)
*(.trampolines*)
${CONSTRUCTING+ __trampolines_end = . ; }
*(.progmem*)
${RELOCATING+. = ALIGN(2);}
/* For future tablejump instruction arrays for 3 byte pc devices.
We don't relax jump/call instructions within these sections. */
*(.jumptables)
*(.jumptables*)
/* For code that needs to reside in the lower 128k progmem. */
*(.lowtext)
*(.lowtext*)
${CONSTRUCTING+ __ctors_start = . ; }
${CONSTRUCTING+ *(.ctors) }
${CONSTRUCTING+ __ctors_end = . ; }
${CONSTRUCTING+ __dtors_start = . ; }
${CONSTRUCTING+ *(.dtors) }
${CONSTRUCTING+ __dtors_end = . ; }
KEEP(SORT(*)(.ctors))
KEEP(SORT(*)(.dtors))
/* From this point on, we don't bother about wether the insns are
below or above the 16 bits boundary. */
*(.init0) /* Start here after reset. */
KEEP (*(.init0))
*(.init1)
KEEP (*(.init1))
*(.init2) /* Clear __zero_reg__, set up stack pointer. */
KEEP (*(.init2))
*(.init3)
KEEP (*(.init3))
*(.init4) /* Initialize data and BSS. */
KEEP (*(.init4))
*(.init5)
KEEP (*(.init5))
*(.init6) /* C++ constructors. */
KEEP (*(.init6))
*(.init7)
KEEP (*(.init7))
*(.init8)
KEEP (*(.init8))
*(.init9) /* Call main(). */
KEEP (*(.init9))
*(.text)
${RELOCATING+. = ALIGN(2);}
*(.text.*)
${RELOCATING+. = ALIGN(2);}
*(.fini9) /* _exit() starts here. */
KEEP (*(.fini9))
*(.fini8)
KEEP (*(.fini8))
*(.fini7)
KEEP (*(.fini7))
*(.fini6) /* C++ destructors. */
KEEP (*(.fini6))
*(.fini5)
KEEP (*(.fini5))
*(.fini4)
KEEP (*(.fini4))
*(.fini3)
KEEP (*(.fini3))
*(.fini2)
KEEP (*(.fini2))
*(.fini1)
KEEP (*(.fini1))
*(.fini0) /* Infinite loop after program termination. */
KEEP (*(.fini0))
${RELOCATING+ _etext = . ; }
} ${RELOCATING+ > text}
.data ${RELOCATING-0} : ${RELOCATING+AT (ADDR (.text) + SIZEOF (.text))}
{
${RELOCATING+ PROVIDE (__data_start = .) ; }
/* --gc-sections will delete empty .data. This leads to wrong start
addresses for subsequent sections because -Tdata= from the command
line will have no effect, see PR13697. Thus, keep .data */
KEEP (*(.data))
*(.data*)
*(.rodata) /* We need to include .rodata here if gcc is used */
*(.rodata*) /* with -fdata-sections. */
*(.gnu.linkonce.d*)
${RELOCATING+. = ALIGN(2);}
${RELOCATING+ _edata = . ; }
${RELOCATING+ PROVIDE (__data_end = .) ; }
} ${RELOCATING+ > data}
.bss ${RELOCATING-0} :${RELOCATING+ AT (ADDR (.bss))}
{
${RELOCATING+ PROVIDE (__bss_start = .) ; }
*(.bss)
*(.bss*)
*(COMMON)
${RELOCATING+ PROVIDE (__bss_end = .) ; }
} ${RELOCATING+ > data}
${RELOCATING+ __data_load_start = LOADADDR(.data); }
${RELOCATING+ __data_load_end = __data_load_start + SIZEOF(.data); }
/* Global data not cleared after reset. */
.noinit ${RELOCATING-0}:
{
${RELOCATING+ PROVIDE (__noinit_start = .) ; }
*(.noinit*)
${RELOCATING+ PROVIDE (__noinit_end = .) ; }
${RELOCATING+ _end = . ; }
${RELOCATING+ PROVIDE (__heap_start = .) ; }
} ${RELOCATING+ > data}
.eeprom ${RELOCATING-0}:
{
/* See .data above... */
KEEP(*(.eeprom*))
${RELOCATING+ __eeprom_end = . ; }
} ${RELOCATING+ > eeprom}
.fuse ${RELOCATING-0}:
{
KEEP(*(.fuse))
KEEP(*(.lfuse))
KEEP(*(.hfuse))
KEEP(*(.efuse))
} ${RELOCATING+ > fuse}
.lock ${RELOCATING-0}:
{
KEEP(*(.lock*))
} ${RELOCATING+ > lock}
.signature ${RELOCATING-0}:
{
KEEP(*(.signature*))
} ${RELOCATING+ > signature}
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
.note.gnu.build-id : { *(.note.gnu.build-id) }
EOF
. $srcdir/scripttempl/DWARF.sc
cat <<EOF
}
EOF
|
