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
|
# Copyright (C) 2014-2021 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.
# MMO is not a relocateable format, and we don't want to require an
# explicit (e.g.) "-m elf64mmix" when -r is used.
test -z $RELOCATEABLE_OUTPUT_FORMAT && RELOCATEABLE_OUTPUT_FORMAT=$OUTPUT_FORMAT
test -z ${RELOCATING+0} && OUTPUT_FORMAT=$RELOCATEABLE_OUTPUT_FORMAT
cat <<EOF
/* Copyright (C) 2014-2021 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("$OUTPUT_FORMAT")
OUTPUT_ARCH(mmix)
${RELOCATING+ENTRY(Main)}
SECTIONS
{
.text ${RELOCATING+ ${TEXT_START_ADDR}}:
{
/* FIXME: Move .init, .fini, .ctors and .dtors to their own sections. */
${RELOCATING+ PROVIDE (_init_start = .);}
${RELOCATING+ PROVIDE (_init = .);}
${RELOCATING+ KEEP (*(SORT_NONE(.init)))}
${RELOCATING+ PROVIDE (_init_end = .);}
*(.text)
${RELOCATING+*(.text.*)}
${RELOCATING+*(.gnu.linkonce.t*)}
${RELOCATING+*(.rodata)}
${RELOCATING+*(.rodata.*)}
${RELOCATING+*(.gnu.linkonce.r*)}
${RELOCATING+ PROVIDE (_fini_start = .);}
${RELOCATING+ PROVIDE (_fini = .);}
${RELOCATING+ KEEP (*(SORT_NONE(.fini)))}
${RELOCATING+ PROVIDE (_fini_end = .);}
/* FIXME: Align ctors, dtors, ehframe. */
${RELOCATING+ PROVIDE (_ctors_start = .);}
${RELOCATING+ PROVIDE (__ctors_start = .);}
${RELOCATING+ PROVIDE (_ctors = .);}
${RELOCATING+ PROVIDE (__ctors = .);}
${RELOCATING+ KEEP (*crtbegin.o(.ctors))}
${RELOCATING+ KEEP (*crtbegin?.o(.ctors))}
${RELOCATING+ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o) .ctors))}
${RELOCATING+ KEEP (*(SORT(.ctors.*)))}
${RELOCATING+ KEEP (*(.ctors))}
${RELOCATING+ PROVIDE (_ctors_end = .);}
${RELOCATING+ PROVIDE (__ctors_end = .);}
${RELOCATING+ PROVIDE (_dtors_start = .);}
${RELOCATING+ PROVIDE (__dtors_start = .);}
${RELOCATING+ PROVIDE (_dtors = .);}
${RELOCATING+ PROVIDE (__dtors = .);}
${RELOCATING+ KEEP (*crtbegin.o(.dtors))}
${RELOCATING+ KEEP (*crtbegin?.o(.dtors))}
${RELOCATING+ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o) .dtors))}
${RELOCATING+ KEEP (*(SORT(.dtors.*)))}
${RELOCATING+ KEEP (*(.dtors))}
${RELOCATING+ PROVIDE (_dtors_end = .);}
${RELOCATING+ PROVIDE (__dtors_end = .);}
${RELOCATING+KEEP (*(.jcr))}
${RELOCATING+KEEP (*(.eh_frame))}
${RELOCATING+*(.gcc_except_table)}
${RELOCATING+Main = DEFINED (Main) ? Main : (DEFINED (_start) ? _start : ADDR (.text));}
}
/* The following NOP assignment and those after .data and .bss, are
necessary to get orphan sections adopted by the .text inserted before
the following end-section symbols. An output section would also serve
this purpose, but we can't do that. */
. = .;
${RELOCATING+ PROVIDE(etext = .);}
${RELOCATING+ PROVIDE(_etext = .);}
${RELOCATING+ PROVIDE(__etext = .);}
.data ${RELOCATING+ ${DATA_ADDR}}:
{
${RELOCATING+ PROVIDE(__Sdata = .);}
*(.data);
${RELOCATING+*(.data.*)}
${RELOCATING+*(.gnu.linkonce.d*)}
}
. = .;
${RELOCATING+ PROVIDE(__Edata = .);}
/* Deprecated, use __Edata. */
${RELOCATING+ PROVIDE(edata = .);}
${RELOCATING+ PROVIDE(_edata = .);}
${RELOCATING+ PROVIDE(__edata = .);}
/* At the moment, although perhaps we should, we can't map sections
without contents to sections *with* contents due to FIXME: a BFD bug.
Anyway, the mmo back-end ignores sections without contents when
writing out sections, so this works fine. */
.bss :
{
${RELOCATING+ PROVIDE(__Sbss = .);}
${RELOCATING+ PROVIDE(__bss_start = .);}
${RELOCATING+ *(.sbss);}
${RELOCATING+ *(.bss);}
${RELOCATING+*(.bss.*)}
${RELOCATING+ *(COMMON);}
}
. = .;
${RELOCATING+ PROVIDE(__Ebss = .);}
/* Deprecated, use __Ebss or __Eall as appropriate. */
${RELOCATING+ PROVIDE(end = .);}
${RELOCATING+ PROVIDE(_end = .);}
${RELOCATING+ PROVIDE(__end = .);}
${RELOCATING+ PROVIDE(__Eall = .);}
.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) }
EOF
. $srcdir/scripttempl/DWARF.sc
cat <<EOF
.MMIX.reg_contents :
{
/* Note that this section always has a fixed VMA - that of its
first register * 8. */
*(.MMIX.reg_contents.linker_allocated);
*(.MMIX.reg_contents);
}
${RELOCATING+/* By default, put the high end of the stack where the register stack
begins. They grow in opposite directions. */
PROVIDE (__Stack_start = 0x6000000000000000);}
/* Unfortunately, stabs are not mappable from ELF to MMO.
It can probably be fixed with some amount of work. */
/DISCARD/ :
{ ${RELOCATING+ *(.gnu.warning.*);} }
.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
}
EOF
|
