Commit | Line | Data |
---|---|---|
2571583a | 1 | # Copyright (C) 2014-2017 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. | |
5b93d8bb AM |
6 | # |
7 | # This is just a raw copy of elfppc.sc and has not been otherwise modified | |
8 | # | |
9 | # Unusual variables checked by this code: | |
563e308f | 10 | # NOP - four byte opcode for no-op (defaults to 0) |
5b93d8bb AM |
11 | # DATA_ADDR - if end-of-text-plus-one-page isn't right for data start |
12 | # OTHER_READONLY_SECTIONS - other than .text .init .rodata ... | |
13 | # (e.g., .PARISC.milli) | |
14 | # OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ... | |
15 | # (e.g., .PARISC.global) | |
104d59d1 | 16 | # ATTRS_SECTIONS - at the end |
5b93d8bb AM |
17 | # OTHER_SECTIONS - at the end |
18 | # EXECUTABLE_SYMBOLS - symbols that must be defined for an | |
19 | # executable (e.g., _DYNAMIC_LINK) | |
20 | # TEXT_START_SYMBOLS - symbols that appear at the start of the | |
21 | # .text section. | |
22 | # DATA_START_SYMBOLS - symbols that appear at the start of the | |
23 | # .data section. | |
24 | # OTHER_BSS_SYMBOLS - symbols that appear at the start of the | |
25 | # .bss section besides __bss_start. | |
26 | # | |
27 | # When adding sections, do note that the names of some sections are used | |
28 | # when specifying the start address of the next. | |
985743c7 | 29 | |
5b93d8bb AM |
30 | test -z "$ENTRY" && ENTRY=_start |
31 | test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT} | |
32 | test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT} | |
104d59d1 | 33 | test -z "$ATTRS_SECTIONS" && ATTRS_SECTIONS=".gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }" |
5b93d8bb | 34 | test "$LD_FLAG" = "N" && DATA_ADDR=. |
ec2d9b29 AM |
35 | SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2) }" |
36 | SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2) }" | |
37 | INTERP=".interp ${RELOCATING-0} : { *(.interp) }" | |
38 | PLT=".plt ${RELOCATING-0} : { *(.plt) }" | |
985743c7 | 39 | |
5b93d8bb | 40 | cat <<EOF |
2571583a | 41 | /* Copyright (C) 2014-2017 Free Software Foundation, Inc. |
985743c7 NC |
42 | |
43 | Copying and distribution of this script, with or without modification, | |
44 | are permitted in any medium without royalty provided the copyright | |
45 | notice and this notice are preserved. */ | |
46 | ||
5b93d8bb AM |
47 | OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}", |
48 | "${LITTLE_OUTPUT_FORMAT}") | |
49 | OUTPUT_ARCH(${ARCH}) | |
b34c1498 | 50 | ${RELOCATING+ENTRY(${ENTRY})} |
5b93d8bb AM |
51 | |
52 | ${RELOCATING+${LIB_SEARCH_DIRS}} | |
53 | ${RELOCATING+/* Do we need any of these for elf? | |
54 | __DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */} | |
55 | ${RELOCATING+${EXECUTABLE_SYMBOLS}} | |
ec2d9b29 AM |
56 | ${RELOCATING- /* For some reason, the Solaris linker makes bad executables |
57 | if gld -r is used and the intermediate file has sections starting | |
58 | at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld | |
59 | bug. But for now assigning the zero vmas works. */} | |
5b93d8bb AM |
60 | |
61 | ${RELOCATING+PROVIDE (__stack = 0);} | |
62 | SECTIONS | |
63 | { | |
64 | /* Read-only sections, merged into text segment: */ | |
65 | ${CREATE_SHLIB-${RELOCATING+. = ${TEXT_START_ADDR} + SIZEOF_HEADERS;}} | |
66 | ${CREATE_SHLIB+${RELOCATING+. = SIZEOF_HEADERS;}} | |
67 | ${CREATE_SHLIB-${INTERP}} | |
ec2d9b29 AM |
68 | .hash ${RELOCATING-0} : { *(.hash) } |
69 | .dynsym ${RELOCATING-0} : { *(.dynsym) } | |
70 | .dynstr ${RELOCATING-0} : { *(.dynstr) } | |
71 | .gnu.version ${RELOCATING-0} : { *(.gnu.version) } | |
72 | .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) } | |
73 | .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) } | |
74 | .rela.text ${RELOCATING-0} : | |
5b93d8bb | 75 | { *(.rela.text) *(.rela.gnu.linkonce.t*) } |
ec2d9b29 | 76 | .rela.data ${RELOCATING-0} : |
5b93d8bb | 77 | { *(.rela.data) *(.rela.gnu.linkonce.d*) } |
ec2d9b29 | 78 | .rela.rodata ${RELOCATING-0} : |
5b93d8bb | 79 | { *(.rela.rodata) *(.rela.gnu.linkonce.r*) } |
ec2d9b29 AM |
80 | .rela.got ${RELOCATING-0} : { *(.rela.got) } |
81 | .rela.got1 ${RELOCATING-0} : { *(.rela.got1) } | |
82 | .rela.got2 ${RELOCATING-0} : { *(.rela.got2) } | |
83 | .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) } | |
84 | .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) } | |
85 | .rela.init ${RELOCATING-0} : { *(.rela.init) } | |
86 | .rela.fini ${RELOCATING-0} : { *(.rela.fini) } | |
87 | .rela.bss ${RELOCATING-0} : { *(.rela.bss) } | |
88 | .rela.plt ${RELOCATING-0} : { *(.rela.plt) } | |
89 | .rela.sdata ${RELOCATING-0} : { *(.rela.sdata) } | |
90 | .rela.sbss ${RELOCATING-0} : { *(.rela.sbss) } | |
91 | .rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2) } | |
92 | .rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2) } | |
93 | .text ${RELOCATING-0} : | |
5b93d8bb AM |
94 | { |
95 | ${RELOCATING+${TEXT_START_SYMBOLS}} | |
96 | *(.text) | |
97 | /* .gnu.warning sections are handled specially by elf32.em. */ | |
98 | *(.gnu.warning) | |
99 | *(.gnu.linkonce.t*) | |
100 | } =${NOP-0} | |
ec2d9b29 AM |
101 | .init ${RELOCATING-0} : { *(.init) } =${NOP-0} |
102 | .fini ${RELOCATING-0} : { *(.fini) } =${NOP-0} | |
103 | .rodata ${RELOCATING-0} : { *(.rodata) *(.gnu.linkonce.r*) } | |
104 | .rodata1 ${RELOCATING-0} : { *(.rodata1) } | |
5b93d8bb AM |
105 | ${RELOCATING+_etext = .;} |
106 | ${RELOCATING+PROVIDE (etext = .);} | |
107 | ${CREATE_SHLIB-${SDATA2}} | |
108 | ${CREATE_SHLIB-${SBSS2}} | |
465bc359 | 109 | ${OTHER_READONLY_SECTIONS} |
5b93d8bb AM |
110 | |
111 | /* Adjust the address for the data segment. We want to adjust up to | |
112 | the same address within the page on the next page up. It would | |
113 | be more correct to do this: | |
114 | ${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (ALIGN(8) & (${MAXPAGESIZE} - 1))};} | |
115 | The current expression does not correctly handle the case of a | |
116 | text segment ending precisely at the end of a page; it causes the | |
117 | data segment to skip a page. The above expression does not have | |
118 | this problem, but it will currently (2/95) cause BFD to allocate | |
119 | a single segment, combining both text and data, for this case. | |
120 | This will prevent the text segment from being shared among | |
121 | multiple executions of the program; I think that is more | |
122 | important than losing a page of the virtual address space (note | |
123 | that no actual memory is lost; the page which is skipped can not | |
124 | be referenced). */ | |
125 | ${RELOCATING+. = ${DATA_ADDR- ALIGN(8) + ${MAXPAGESIZE}};} | |
126 | ||
ec2d9b29 | 127 | .data ${RELOCATING-0} : |
5b93d8bb AM |
128 | { |
129 | ${RELOCATING+${DATA_START_SYMBOLS}} | |
130 | *(.data) | |
131 | *(.gnu.linkonce.d*) | |
132 | ${CONSTRUCTING+CONSTRUCTORS} | |
133 | } | |
ec2d9b29 | 134 | .data1 ${RELOCATING-0} : { *(.data1) } |
465bc359 | 135 | ${OTHER_READWRITE_SECTIONS} |
5b93d8bb | 136 | |
ec2d9b29 AM |
137 | .got1 ${RELOCATING-0} : { *(.got1) } |
138 | .dynamic ${RELOCATING-0} : { *(.dynamic) } | |
5b93d8bb AM |
139 | |
140 | /* Put .ctors and .dtors next to the .got2 section, so that the pointers | |
141 | get relocated with -mrelocatable. Also put in the .fixup pointers. | |
142 | The current compiler no longer needs this, but keep it around for 2.7.2 */ | |
143 | ||
144 | ${RELOCATING+PROVIDE (_GOT2_START_ = .);} | |
ec2d9b29 | 145 | .got2 ${RELOCATING-0} : { *(.got2) } |
5b93d8bb AM |
146 | |
147 | ${RELOCATING+PROVIDE (__CTOR_LIST__ = .);} | |
ec2d9b29 | 148 | .ctors ${RELOCATING-0} : { *(.ctors) } |
5b93d8bb AM |
149 | ${RELOCATING+PROVIDE (__CTOR_END__ = .);} |
150 | ||
151 | ${RELOCATING+PROVIDE (__DTOR_LIST__ = .);} | |
ec2d9b29 | 152 | .dtors ${RELOCATING-0} : { *(.dtors) } |
5b93d8bb AM |
153 | ${RELOCATING+PROVIDE (__DTOR_END__ = .);} |
154 | ||
155 | ${RELOCATING+PROVIDE (_FIXUP_START_ = .);} | |
ec2d9b29 | 156 | .fixup ${RELOCATING-0} : { *(.fixup) } |
5b93d8bb AM |
157 | ${RELOCATING+PROVIDE (_FIXUP_END_ = .);} |
158 | ${RELOCATING+PROVIDE (_GOT2_END_ = .);} | |
159 | ||
160 | ${RELOCATING+PROVIDE (_GOT_START_ = .);} | |
ec2d9b29 AM |
161 | .got ${RELOCATING-0} : { *(.got) } |
162 | .got.plt ${RELOCATING-0} : { *(.got.plt) } | |
5b93d8bb AM |
163 | ${CREATE_SHLIB+${SDATA2}} |
164 | ${CREATE_SHLIB+${SBSS2}} | |
165 | ${RELOCATING+PROVIDE (_GOT_END_ = .);} | |
166 | ||
167 | /* We want the small data sections together, so single-instruction offsets | |
168 | can access them all, and initialized data all before uninitialized, so | |
169 | we can shorten the on-disk segment size. */ | |
ec2d9b29 | 170 | .sdata ${RELOCATING-0} : { *(.sdata) } |
5b93d8bb AM |
171 | ${RELOCATING+_edata = .;} |
172 | ${RELOCATING+PROVIDE (edata = .);} | |
ec2d9b29 | 173 | .sbss ${RELOCATING-0} : |
5b93d8bb AM |
174 | { |
175 | ${RELOCATING+PROVIDE (__sbss_start = .);} | |
176 | *(.sbss) | |
177 | *(.scommon) | |
178 | *(.dynsbss) | |
179 | ${RELOCATING+PROVIDE (__sbss_end = .);} | |
180 | } | |
181 | ${PLT} | |
ec2d9b29 | 182 | .bss ${RELOCATING-0} : |
5b93d8bb AM |
183 | { |
184 | ${RELOCATING+${OTHER_BSS_SYMBOLS}} | |
185 | ${RELOCATING+PROVIDE (__bss_start = .);} | |
186 | *(.dynbss) | |
187 | *(.bss) | |
188 | *(COMMON) | |
189 | } | |
190 | ${RELOCATING+_end = . ;} | |
191 | ${RELOCATING+PROVIDE (end = .);} | |
192 | ||
193 | /* These are needed for ELF backends which have not yet been | |
194 | converted to the new style linker. */ | |
195 | .stab 0 : { *(.stab) } | |
196 | .stabstr 0 : { *(.stabstr) } | |
197 | ||
ceb0a680 NC |
198 | EOF |
199 | ||
d061dfac | 200 | . $srcdir/scripttempl/DWARF.sc |
ceb0a680 | 201 | |
6c19b93b | 202 | cat <<EOF |
104d59d1 | 203 | ${ATTRS_SECTIONS} |
5b93d8bb AM |
204 | ${OTHER_SECTIONS} |
205 | } | |
206 | EOF |