Commit | Line | Data |
---|---|---|
5f16938d MM |
1 | # |
2 | # Unusual variables checked by this code: | |
3 | # NOP - two byte opcode for no-op (defaults to 0) | |
4 | # DATA_ADDR - if end-of-text-plus-one-page isn't right for data start | |
c2b6884b | 5 | # OTHER_READONLY_SECTIONS - other than .text .init .rodata ... |
5f16938d | 6 | # (e.g., .PARISC.milli) |
c2b6884b | 7 | # OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ... |
5f16938d MM |
8 | # (e.g., .PARISC.global) |
9 | # OTHER_SECTIONS - at the end | |
10 | # EXECUTABLE_SYMBOLS - symbols that must be defined for an | |
11 | # executable (e.g., _DYNAMIC_LINK) | |
12 | # TEXT_START_SYMBOLS - symbols that appear at the start of the | |
13 | # .text section. | |
14 | # DATA_START_SYMBOLS - symbols that appear at the start of the | |
15 | # .data section. | |
16 | # OTHER_BSS_SYMBOLS - symbols that appear at the start of the | |
17 | # .bss section besides __bss_start. | |
5f16938d MM |
18 | # |
19 | # When adding sections, do note that the names of some sections are used | |
20 | # when specifying the start address of the next. | |
21 | # | |
22 | test -z "$ENTRY" && ENTRY=_start | |
23 | test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT} | |
24 | test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT} | |
25 | test "$LD_FLAG" = "N" && DATA_ADDR=. | |
c56c9218 C |
26 | SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2) }" |
27 | SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2) }" | |
28 | INTERP=".interp ${RELOCATING-0} : { *(.interp) }" | |
29 | PLT=".plt ${RELOCATING-0} : { *(.plt) }" | |
5f16938d MM |
30 | cat <<EOF |
31 | OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}", | |
32 | "${LITTLE_OUTPUT_FORMAT}") | |
33 | OUTPUT_ARCH(${ARCH}) | |
34 | ENTRY(${ENTRY}) | |
35 | ||
36 | ${RELOCATING+${LIB_SEARCH_DIRS}} | |
37 | ${RELOCATING+/* Do we need any of these for elf? | |
38 | __DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */} | |
39 | ${RELOCATING+${EXECUTABLE_SYMBOLS}} | |
40 | ${RELOCATING- /* For some reason, the Solaris linker makes bad executables | |
41 | if gld -r is used and the intermediate file has sections starting | |
42 | at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld | |
43 | bug. But for now assigning the zero vmas works. */} | |
fb2a7661 MM |
44 | |
45 | ${RELOCATING+PROVIDE (__stack = 0);} | |
5f16938d MM |
46 | SECTIONS |
47 | { | |
48 | /* Read-only sections, merged into text segment: */ | |
49 | ${CREATE_SHLIB-${RELOCATING+. = ${TEXT_START_ADDR} + SIZEOF_HEADERS;}} | |
50 | ${CREATE_SHLIB+${RELOCATING+. = SIZEOF_HEADERS;}} | |
51 | ${CREATE_SHLIB-${INTERP}} | |
be03dc3e MM |
52 | .hash ${RELOCATING-0} : { *(.hash) } |
53 | .dynsym ${RELOCATING-0} : { *(.dynsym) } | |
54 | .dynstr ${RELOCATING-0} : { *(.dynstr) } | |
4602e5f4 ILT |
55 | .gnu.version ${RELOCATING-0} : { *(.gnu.version) } |
56 | .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) } | |
57 | .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) } | |
f5f212fb | 58 | .rela.text ${RELOCATING-0} : |
71b012a8 RH |
59 | { |
60 | *(.rela.text) | |
61 | ${RELOCATING+*(.rela.text.*)} | |
62 | ${RELOCATING+*(.rela.gnu.linkonce.t*)} | |
63 | } | |
f5f212fb | 64 | .rela.data ${RELOCATING-0} : |
71b012a8 RH |
65 | { |
66 | *(.rela.data) | |
67 | ${RELOCATING+*(.rela.data.*)} | |
68 | ${RELOCATING+*(.rela.gnu.linkonce.d*)} | |
69 | } | |
f5f212fb | 70 | .rela.rodata ${RELOCATING-0} : |
71b012a8 RH |
71 | { |
72 | *(.rela.rodata) | |
73 | ${RELOCATING+*(.rela.rodata.*)} | |
74 | ${RELOCATING+*(.rela.gnu.linkonce.r*)} | |
75 | } | |
be03dc3e | 76 | .rela.got ${RELOCATING-0} : { *(.rela.got) } |
be03dc3e MM |
77 | .rela.got1 ${RELOCATING-0} : { *(.rela.got1) } |
78 | .rela.got2 ${RELOCATING-0} : { *(.rela.got2) } | |
79 | .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) } | |
80 | .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) } | |
81 | .rela.init ${RELOCATING-0} : { *(.rela.init) } | |
82 | .rela.fini ${RELOCATING-0} : { *(.rela.fini) } | |
83 | .rela.bss ${RELOCATING-0} : { *(.rela.bss) } | |
84 | .rela.plt ${RELOCATING-0} : { *(.rela.plt) } | |
4602e5f4 ILT |
85 | .rela.sdata ${RELOCATING-0} : { *(.rela.sdata) } |
86 | .rela.sbss ${RELOCATING-0} : { *(.rela.sbss) } | |
c2b6884b MM |
87 | .rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2) } |
88 | .rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2) } | |
5f16938d MM |
89 | .text ${RELOCATING-0} : |
90 | { | |
91 | ${RELOCATING+${TEXT_START_SYMBOLS}} | |
92 | *(.text) | |
71b012a8 | 93 | ${RELOCATING+*(.text.*)} |
5f16938d MM |
94 | /* .gnu.warning sections are handled specially by elf32.em. */ |
95 | *(.gnu.warning) | |
71b012a8 | 96 | ${RELOCATING+*(.gnu.linkonce.t*)} |
5f16938d | 97 | } =${NOP-0} |
71b012a8 RH |
98 | .init ${RELOCATING-0} : { KEEP (*(.init)) } =${NOP-0} |
99 | .fini ${RELOCATING-0} : { KEEP (*(.fini)) } =${NOP-0} | |
100 | .rodata ${RELOCATING-0} : | |
101 | { | |
102 | *(.rodata) | |
103 | ${RELOCATING+*(.rodata.*)} | |
104 | ${RELOCATING+*(.gnu.linkonce.r*)} | |
105 | } | |
c2b6884b | 106 | .rodata1 ${RELOCATING-0} : { *(.rodata1) } |
28ad0357 MM |
107 | ${RELOCATING+_etext = .;} |
108 | ${RELOCATING+PROVIDE (etext = .);} | |
c56c9218 C |
109 | ${CREATE_SHLIB-${SDATA2}} |
110 | ${CREATE_SHLIB-${SBSS2}} | |
5f16938d MM |
111 | ${RELOCATING+${OTHER_READONLY_SECTIONS}} |
112 | ||
c2b6884b MM |
113 | /* Adjust the address for the data segment. We want to adjust up to |
114 | the same address within the page on the next page up. It would | |
115 | be more correct to do this: | |
116 | ${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (ALIGN(8) & (${MAXPAGESIZE} - 1))};} | |
117 | The current expression does not correctly handle the case of a | |
118 | text segment ending precisely at the end of a page; it causes the | |
119 | data segment to skip a page. The above expression does not have | |
120 | this problem, but it will currently (2/95) cause BFD to allocate | |
121 | a single segment, combining both text and data, for this case. | |
122 | This will prevent the text segment from being shared among | |
123 | multiple executions of the program; I think that is more | |
124 | important than losing a page of the virtual address space (note | |
125 | that no actual memory is lost; the page which is skipped can not | |
126 | be referenced). */ | |
5f16938d | 127 | ${RELOCATING+. = ${DATA_ADDR- ALIGN(8) + ${MAXPAGESIZE}};} |
c2b6884b | 128 | |
5f16938d MM |
129 | .data ${RELOCATING-0} : |
130 | { | |
131 | ${RELOCATING+${DATA_START_SYMBOLS}} | |
132 | *(.data) | |
71b012a8 RH |
133 | ${RELOCATING+*(.data.*)} |
134 | ${RELOCATING+*(.gnu.linkonce.d*)} | |
5f16938d MM |
135 | ${CONSTRUCTING+CONSTRUCTORS} |
136 | } | |
137 | .data1 ${RELOCATING-0} : { *(.data1) } | |
138 | ${RELOCATING+${OTHER_READWRITE_SECTIONS}} | |
5f16938d | 139 | |
4fe13b2b MM |
140 | .got1 ${RELOCATING-0} : { *(.got1) } |
141 | .dynamic ${RELOCATING-0} : { *(.dynamic) } | |
dd0f9635 | 142 | |
86d0248d | 143 | /* Put .ctors and .dtors next to the .got2 section, so that the pointers |
4fe13b2b MM |
144 | get relocated with -mrelocatable. Also put in the .fixup pointers. |
145 | The current compiler no longer needs this, but keep it around for 2.7.2 */ | |
86d0248d | 146 | |
4d99a950 | 147 | ${RELOCATING+PROVIDE (_GOT2_START_ = .);} |
4fe13b2b MM |
148 | .got2 ${RELOCATING-0} : { *(.got2) } |
149 | ||
4d99a950 | 150 | ${RELOCATING+PROVIDE (__CTOR_LIST__ = .);} |
b4c61dc9 ILT |
151 | .ctors ${RELOCATING-0} : { |
152 | /* gcc uses crtbegin.o to find the start of | |
153 | the constructors, so we make sure it is | |
154 | first. Because this is a wildcard, it | |
155 | doesn't matter if the user does not | |
156 | actually link against crtbegin.o; the | |
157 | linker won't look for a file to match a | |
158 | wildcard. The wildcard also means that it | |
159 | doesn't matter which directory crtbegin.o | |
160 | is in. */ | |
71b012a8 RH |
161 | KEEP (*crtbegin.o(.ctors)) |
162 | KEEP (*(SORT(.ctors.*))) | |
163 | KEEP (*(.ctors)) } | |
4d99a950 | 164 | ${RELOCATING+PROVIDE (__CTOR_END__ = .);} |
4fe13b2b | 165 | |
4d99a950 | 166 | ${RELOCATING+PROVIDE (__DTOR_LIST__ = .);} |
b4c61dc9 | 167 | .dtors ${RELOCATING-0} : { |
71b012a8 RH |
168 | KEEP (*crtbegin.o(.dtors)) |
169 | KEEP (*(SORT(.dtors.*))) | |
170 | KEEP (*(.dtors)) } | |
4d99a950 | 171 | ${RELOCATING+PROVIDE (__DTOR_END__ = .);} |
4fe13b2b | 172 | |
4d99a950 | 173 | ${RELOCATING+PROVIDE (_FIXUP_START_ = .);} |
4fe13b2b | 174 | .fixup ${RELOCATING-0} : { *(.fixup) } |
4d99a950 MM |
175 | ${RELOCATING+PROVIDE (_FIXUP_END_ = .);} |
176 | ${RELOCATING+PROVIDE (_GOT2_END_ = .);} | |
4fe13b2b | 177 | |
4d99a950 | 178 | ${RELOCATING+PROVIDE (_GOT_START_ = .);} |
4fe13b2b MM |
179 | .got ${RELOCATING-0} : { *(.got) } |
180 | .got.plt ${RELOCATING-0} : { *(.got.plt) } | |
c56c9218 C |
181 | ${CREATE_SHLIB+${SDATA2}} |
182 | ${CREATE_SHLIB+${SBSS2}} | |
4d99a950 | 183 | ${RELOCATING+PROVIDE (_GOT_END_ = .);} |
1e4b4b1c | 184 | |
5f16938d MM |
185 | /* We want the small data sections together, so single-instruction offsets |
186 | can access them all, and initialized data all before uninitialized, so | |
187 | we can shorten the on-disk segment size. */ | |
4d99a950 | 188 | .sdata ${RELOCATING-0} : { *(.sdata) } |
5f16938d MM |
189 | ${RELOCATING+_edata = .;} |
190 | ${RELOCATING+PROVIDE (edata = .);} | |
7453a753 MM |
191 | .sbss ${RELOCATING-0} : |
192 | { | |
4d99a950 | 193 | ${RELOCATING+PROVIDE (__sbss_start = .);} |
7453a753 MM |
194 | *(.sbss) |
195 | *(.scommon) | |
93ed82b0 | 196 | *(.dynsbss) |
4d99a950 | 197 | ${RELOCATING+PROVIDE (__sbss_end = .);} |
7453a753 | 198 | } |
4602e5f4 | 199 | ${PLT} |
5f16938d MM |
200 | .bss ${RELOCATING-0} : |
201 | { | |
7453a753 | 202 | ${RELOCATING+${OTHER_BSS_SYMBOLS}} |
4d99a950 | 203 | ${RELOCATING+PROVIDE (__bss_start = .);} |
5f16938d MM |
204 | *(.dynbss) |
205 | *(.bss) | |
206 | *(COMMON) | |
207 | } | |
208 | ${RELOCATING+_end = . ;} | |
209 | ${RELOCATING+PROVIDE (end = .);} | |
210 | ||
211 | /* These are needed for ELF backends which have not yet been | |
212 | converted to the new style linker. */ | |
213 | .stab 0 : { *(.stab) } | |
214 | .stabstr 0 : { *(.stabstr) } | |
215 | ||
c2b6884b | 216 | /* DWARF debug sections. |
264677bb JM |
217 | Symbols in the DWARF debugging sections are relative to the beginning |
218 | of the section so we begin them at 0. */ | |
219 | ||
220 | /* DWARF 1 */ | |
c2b6884b | 221 | .debug 0 : { *(.debug) } |
264677bb JM |
222 | .line 0 : { *(.line) } |
223 | ||
224 | /* GNU DWARF 1 extensions */ | |
225 | .debug_srcinfo 0 : { *(.debug_srcinfo) } | |
226 | .debug_sfnames 0 : { *(.debug_sfnames) } | |
227 | ||
228 | /* DWARF 1.1 and DWARF 2 */ | |
229 | .debug_aranges 0 : { *(.debug_aranges) } | |
230 | .debug_pubnames 0 : { *(.debug_pubnames) } | |
231 | ||
232 | /* DWARF 2 */ | |
9193c60b JM |
233 | .debug_info 0 : { *(.debug_info) } |
234 | .debug_abbrev 0 : { *(.debug_abbrev) } | |
235 | .debug_line 0 : { *(.debug_line) } | |
236 | .debug_frame 0 : { *(.debug_frame) } | |
264677bb JM |
237 | .debug_str 0 : { *(.debug_str) } |
238 | .debug_loc 0 : { *(.debug_loc) } | |
239 | .debug_macinfo 0 : { *(.debug_macinfo) } | |
240 | ||
241 | /* SGI/MIPS DWARF 2 extensions */ | |
242 | .debug_weaknames 0 : { *(.debug_weaknames) } | |
243 | .debug_funcnames 0 : { *(.debug_funcnames) } | |
244 | .debug_typenames 0 : { *(.debug_typenames) } | |
245 | .debug_varnames 0 : { *(.debug_varnames) } | |
c2b6884b | 246 | |
5f16938d MM |
247 | /* These must appear regardless of ${RELOCATING}. */ |
248 | ${OTHER_SECTIONS} | |
249 | } | |
250 | EOF |