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
|
# Copyright (C) 2014-2015 Free Software Foundation, Inc.
#
# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved.
cat << EOF
/* Copyright (C) 2014-2015 Free Software Foundation, Inc.
Copying and distribution of this script, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. */
OUTPUT_FORMAT("elf32-v850-rh850", "elf32-v850-rh850",
"elf32-v850-rh850")
OUTPUT_ARCH(v850-rh850)
${RELOCATING+ENTRY(_start)}
SEARCH_DIR(.);
EXTERN(__ctbp __ep __gp);
SECTIONS
{
/* This saves a little space in the ELF file, since the zda starts
at a higher location that the ELF headers take up. */
.zdata ${ZDATA_START_ADDR} :
{
*(.zdata)
*(.zdata23)
*(.zbss)
*(.zbss23)
*(reszdata)
*(.zcommon)
}
/* This is the read only part of the zero data area.
Having it as a seperate section prevents its
attributes from being inherited by the zdata
section. Specifically it prevents the zdata
section from being marked READONLY. */
.rozdata ${ROZDATA_START_ADDR} :
{
*(.rozdata)
*(romzdata)
*(romzbss)
*(.zconst)
*(.zconst23)
}
/* Read-only sections, merged into text segment. */
. = ${TEXT_START_ADDR};
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.gcc_except_table : { *(.rel.gcc_except_table) }
.rela.gcc_except_table : { *(.rela.gcc_except_table) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.init : { *(.rel.init) }
.rela.init : { *(.rela.init) }
.rel.fini : { *(.rel.fini) }
.rela.fini : { *(.rela.fini) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { KEEP (*(.init)) } =0
.plt : { *(.plt) }
.text :
{
*(.text)
${RELOCATING+*(.text.*)}
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.gnu.linkonce.t*)
} =0
${RELOCATING+_etext = .;}
${RELOCATING+PROVIDE (etext = .);}
/* This is special code area at the end of the normal text section.
It contains a small lookup table at the start followed by the
code pointed to by entries in the lookup table. */
.call_table_data ${CALL_TABLE_START_ADDR} :
{
${RELOCATING+PROVIDE(__ctbp = .);}
*(.call_table_data)
} = 0xff /* Fill gaps with 0xff. */
.call_table_text :
{
*(.call_table_text)
}
.fini : { KEEP (*(.fini)) } =0
.rodata :
{
*(.rodata)
${RELOCATING+*(.rodata.*)}
*(.gnu.linkonce.r*)
*(.const)
}
.rodata1 : { *(.rodata1) }
.data :
{
*(.data)
${RELOCATING+*(.data.*)}
*(.gnu.linkonce.d*)
CONSTRUCTORS
}
.data1 : { *(.data1) }
.ctors :
{
${CONSTRUCTING+___ctors = .;}
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*crtend(.ctors))
${CONSTRUCTING+___ctors_end = .;}
}
.dtors :
{
${CONSTRUCTING+___dtors = .;}
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*crtend.o(.dtors))
${CONSTRUCTING+___dtors_end = .;}
}
.jcr :
{
KEEP (*(.jcr))
}
.gcc_except_table : { *(.gcc_except_table) }
.got : { *(.got.plt) *(.got) }
.dynamic : { *(.dynamic) }
.tdata ${TDATA_START_ADDR} :
{
${RELOCATING+PROVIDE (__ep = .);}
*(.edata)
*(.edata23)
*(.tbyte)
*(.tcommon_byte)
*(.tdata)
*(.tdata*)
*(.ebss)
*(.ebss23)
*(.tbss)
*(.tbss*)
*(.tcommon)
}
/* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */
.sdata ${SDATA_START_ADDR} :
{
${RELOCATING+PROVIDE (__gp = . + 0x8000);}
*(.sdata)
*(.sdata23)
}
/* See comment about .rozdata. */
.rosdata ${ROSDATA_START_ADDR} :
{
*(.rosdata)
*(.sconst)
*(.sconst23)
}
/* We place the .sbss data section AFTER the .rosdata section, so that
it can directly preceed the .bss section. This allows runtime startup
code to initialise all the zero-data sections by simply taking the
value of '_edata' and zeroing until it reaches '_end'. */
.sbss :
{
${RELOCATING+__sbss_start = .;}
*(.sbss)
*(.sbss23)
*(.scommon)
}
${RELOCATING+_edata = DEFINED (__sbss_start) ? __sbss_start : . ;}
${RELOCATING+PROVIDE (edata = _edata);}
.bss :
{
${RELOCATING+__bss_start = DEFINED (__sbss_start) ? __sbss_start : . ;}
${RELOCATING+__real_bss_start = . ;}
*(.dynbss)
*(.bss)
*(COMMON)
}
${RELOCATING+_end = . ;}
${RELOCATING+PROVIDE (end = .);}
${RELOCATING+PROVIDE (_heap_start = .);}
/* 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) }
EOF
. $srcdir/scripttempl/DWARF.sc
cat <<EOF
/* User stack. */
.stack 0x200000 :
{
${RELOCATING+__stack = .;}
*(.stack)
}
}
EOF
|