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2571583a 1# Copyright (C) 2014-2017 Free Software Foundation, Inc.
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2#
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.
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6#
7# Unusual variables checked by this code:
563e308f 8# NOP - four byte opcode for no-op (defaults to 0)
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9# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start
10# OTHER_READONLY_SECTIONS - other than .text .init .ctors .rodata ...
11# (e.g., .PARISC.milli)
12# OTHER_READWRITE_SECTIONS - other than .data .bss .sdata ...
13# (e.g., .PARISC.global)
14# OTHER_SECTIONS - at the end
15# EXECUTABLE_SYMBOLS - symbols that must be defined for an
16# executable (e.g., _DYNAMIC_LINK)
17# TEXT_START_SYMBOLS - symbols that appear at the start of the
18# .text section.
19# DATA_START_SYMBOLS - symbols that appear at the start of the
20# .data section.
21# OTHER_BSS_SYMBOLS - symbols that appear at the start of the
22# .bss section besides __bss_start.
23# DATA_PLT - .plt should be in data segment, not text segment.
24#
25# When adding sections, do note that the names of some sections are used
26# when specifying the start address of the next.
27#
985743c7 28
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29test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT}
30test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
31test "$LD_FLAG" = "N" && DATA_ADDR=.
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32INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
33PLT=".plt ${RELOCATING-0} : { *(.plt) }"
985743c7 34
252b5132 35cat <<EOF
2571583a 36/* Copyright (C) 2014-2017 Free Software Foundation, Inc.
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37
38 Copying and distribution of this script, with or without modification,
39 are permitted in any medium without royalty provided the copyright
40 notice and this notice are preserved. */
41
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42OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
43 "${LITTLE_OUTPUT_FORMAT}")
44OUTPUT_ARCH(${ARCH})
45
46${RELOCATING+${LIB_SEARCH_DIRS}}
47${RELOCATING+/* Do we need any of these for elf?
48 __DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */}
49${RELOCATING+${EXECUTABLE_SYMBOLS}}
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50${RELOCATING- /* For some reason, the Solaris linker makes bad executables
51 if gld -r is used and the intermediate file has sections starting
52 at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld
53 bug. But for now assigning the zero vmas works. */}
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54SECTIONS
55{
56 /* Read-only sections, merged into text segment: */
57 ${CREATE_SHLIB-${RELOCATING+. = ${TEXT_START_ADDR} + SIZEOF_HEADERS;}}
58 ${CREATE_SHLIB+${RELOCATING+. = SIZEOF_HEADERS;}}
59 ${CREATE_SHLIB-${INTERP}}
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60 .hash ${RELOCATING-0} : { *(.hash) }
61 .dynsym ${RELOCATING-0} : { *(.dynsym) }
62 .dynstr ${RELOCATING-0} : { *(.dynstr) }
63 .rel.text ${RELOCATING-0} : { *(.rel.text) }
64 .rela.text ${RELOCATING-0} : { *(.rela.text) }
65 .rel.data ${RELOCATING-0} : { *(.rel.data) }
66 .rela.data ${RELOCATING-0} : { *(.rela.data) }
67 .rel.rodata ${RELOCATING-0} : { *(.rel.rodata) }
68 .rela.rodata ${RELOCATING-0} : { *(.rela.rodata) }
69 .rel.got ${RELOCATING-0} : { *(.rel.got) }
70 .rela.got ${RELOCATING-0} : { *(.rela.got) }
71 .rel.ctors ${RELOCATING-0} : { *(.rel.ctors) }
72 .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
73 .rel.dtors ${RELOCATING-0} : { *(.rel.dtors) }
74 .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) }
75 .rel.bss ${RELOCATING-0} : { *(.rel.bss) }
76 .rela.bss ${RELOCATING-0} : { *(.rela.bss) }
77 .rel.plt ${RELOCATING-0} : { *(.rel.plt) }
78 .rela.plt ${RELOCATING-0} : { *(.rela.plt) }
79 .init ${RELOCATING-0} : { *(.init) } =${NOP-0}
252b5132 80 ${DATA_PLT-${PLT}}
ec2d9b29 81 .text ${RELOCATING-0} :
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82 {
83 ${RELOCATING+${TEXT_START_SYMBOLS}}
84 *(.text)
85 ${CONSTRUCTING+ __CTOR_LIST__ = .;}
86 ${CONSTRUCTING+ LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)}
87 ${CONSTRUCTING+ *(.ctors)}
88 ${CONSTRUCTING+ LONG(0)}
89 ${CONSTRUCTING+ __CTOR_END__ = .;}
90 ${CONSTRUCTING+ __DTOR_LIST__ = .;}
91 ${CONSTRUCTING+ LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)}
92 ${CONSTRUCTING+ *(.dtors)}
93 ${CONSTRUCTING+ LONG(0)}
94 ${CONSTRUCTING+ __DTOR_END__ = .;}
95 }
96 ${RELOCATING+_etext = .;}
97 ${RELOCATING+PROVIDE (etext = .);}
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98 .fini ${RELOCATING-0} : { *(.fini) } =${NOP-0}
99 .ctors ${RELOCATING-0} : { *(.ctors) }
100 .dtors ${RELOCATING-0} : { *(.dtors) }
101 .rodata ${RELOCATING-0} : { *(.rodata) }
102 .rodata1 ${RELOCATING-0} : { *(.rodata1) }
465bc359 103 ${OTHER_READONLY_SECTIONS}
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104
105 /* Read-write section, merged into data segment: */
106 ${RELOCATING+. = ${DATA_ADDR- ALIGN(8) + ${MAXPAGESIZE}};}
ec2d9b29 107 .data ${RELOCATING-0} :
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108 {
109 ${RELOCATING+${DATA_START_SYMBOLS}}
110 *(.data)
111 ${CONSTRUCTING+CONSTRUCTORS}
112 }
ec2d9b29 113 .data1 ${RELOCATING-0} : { *(.data1) }
465bc359 114 ${OTHER_READWRITE_SECTIONS}
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115 .got ${RELOCATING-0} : { *(.got.plt) *(.got) }
116 .dynamic ${RELOCATING-0} : { *(.dynamic) }
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117 ${DATA_PLT+${PLT}}
118 /* We want the small data sections together, so single-instruction offsets
119 can access them all, and initialized data all before uninitialized, so
120 we can shorten the on-disk segment size. */
ec2d9b29 121 .sdata ${RELOCATING-0} : { *(.sdata) }
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122 ${RELOCATING+_edata = .;}
123 ${RELOCATING+PROVIDE (edata = .);}
124 ${RELOCATING+__bss_start = .;}
125 ${RELOCATING+${OTHER_BSS_SYMBOLS}}
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126 .sbss ${RELOCATING-0} : { *(.sbss) *(.scommon) }
127 .bss ${RELOCATING-0} :
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128 {
129 *(.dynbss)
130 *(.bss)
131 *(COMMON)
132 }
133 ${RELOCATING+_end = . ;}
134 ${RELOCATING+PROVIDE (end = .);}
135
136 /* These are needed for ELF backends which have not yet been
137 converted to the new style linker. */
138 .stab 0 : { *(.stab) }
139 .stabstr 0 : { *(.stabstr) }
140
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141 ${OTHER_SECTIONS}
142}
143EOF