2 # This is just a raw copy of elfppc.sc and has not been otherwise modified
4 # Unusual variables checked by this code:
5 # NOP - two byte opcode for no-op (defaults to 0)
6 # DATA_ADDR - if end-of-text-plus-one-page isn't right for data start
7 # OTHER_READONLY_SECTIONS - other than .text .init .rodata ...
8 # (e.g., .PARISC.milli)
9 # OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ...
10 # (e.g., .PARISC.global)
11 # OTHER_SECTIONS - at the end
12 # EXECUTABLE_SYMBOLS - symbols that must be defined for an
13 # executable (e.g., _DYNAMIC_LINK)
14 # TEXT_START_SYMBOLS - symbols that appear at the start of the
16 # DATA_START_SYMBOLS - symbols that appear at the start of the
18 # OTHER_BSS_SYMBOLS - symbols that appear at the start of the
19 # .bss section besides __bss_start.
21 # When adding sections, do note that the names of some sections are used
22 # when specifying the start address of the next.
24 test -z "$ENTRY" && ENTRY=_start
25 test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT}
26 test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
27 test "$LD_FLAG" = "N" && DATA_ADDR=.
28 SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2) }"
29 SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2) }"
30 INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
31 PLT=".plt ${RELOCATING-0} : { *(.plt) }"
33 OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
34 "${LITTLE_OUTPUT_FORMAT}")
38 ${RELOCATING+${LIB_SEARCH_DIRS}}
39 ${RELOCATING+/* Do we need any of these for elf?
40 __DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */}
41 ${RELOCATING+${EXECUTABLE_SYMBOLS}}
42 ${RELOCATING- /* For some reason, the Solaris linker makes bad executables
43 if gld -r is used and the intermediate file has sections starting
44 at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld
45 bug. But for now assigning the zero vmas works. */}
47 ${RELOCATING+PROVIDE (__stack = 0);}
50 /* Read-only sections, merged into text segment: */
51 ${CREATE_SHLIB-${RELOCATING+. = ${TEXT_START_ADDR} + SIZEOF_HEADERS;}}
52 ${CREATE_SHLIB+${RELOCATING+. = SIZEOF_HEADERS;}}
53 ${CREATE_SHLIB-${INTERP}}
54 .hash ${RELOCATING-0} : { *(.hash) }
55 .dynsym ${RELOCATING-0} : { *(.dynsym) }
56 .dynstr ${RELOCATING-0} : { *(.dynstr) }
57 .gnu.version ${RELOCATING-0} : { *(.gnu.version) }
58 .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) }
59 .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) }
60 .rela.text ${RELOCATING-0} :
61 { *(.rela.text) *(.rela.gnu.linkonce.t*) }
62 .rela.data ${RELOCATING-0} :
63 { *(.rela.data) *(.rela.gnu.linkonce.d*) }
64 .rela.rodata ${RELOCATING-0} :
65 { *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
66 .rela.got ${RELOCATING-0} : { *(.rela.got) }
67 .rela.got1 ${RELOCATING-0} : { *(.rela.got1) }
68 .rela.got2 ${RELOCATING-0} : { *(.rela.got2) }
69 .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
70 .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) }
71 .rela.init ${RELOCATING-0} : { *(.rela.init) }
72 .rela.fini ${RELOCATING-0} : { *(.rela.fini) }
73 .rela.bss ${RELOCATING-0} : { *(.rela.bss) }
74 .rela.plt ${RELOCATING-0} : { *(.rela.plt) }
75 .rela.sdata ${RELOCATING-0} : { *(.rela.sdata) }
76 .rela.sbss ${RELOCATING-0} : { *(.rela.sbss) }
77 .rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2) }
78 .rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2) }
79 .text ${RELOCATING-0} :
81 ${RELOCATING+${TEXT_START_SYMBOLS}}
83 /* .gnu.warning sections are handled specially by elf32.em. */
87 .init ${RELOCATING-0} : { *(.init) } =${NOP-0}
88 .fini ${RELOCATING-0} : { *(.fini) } =${NOP-0}
89 .rodata ${RELOCATING-0} : { *(.rodata) *(.gnu.linkonce.r*) }
90 .rodata1 ${RELOCATING-0} : { *(.rodata1) }
91 ${RELOCATING+_etext = .;}
92 ${RELOCATING+PROVIDE (etext = .);}
93 ${CREATE_SHLIB-${SDATA2}}
94 ${CREATE_SHLIB-${SBSS2}}
95 ${RELOCATING+${OTHER_READONLY_SECTIONS}}
97 /* Adjust the address for the data segment. We want to adjust up to
98 the same address within the page on the next page up. It would
99 be more correct to do this:
100 ${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (ALIGN(8) & (${MAXPAGESIZE} - 1))};}
101 The current expression does not correctly handle the case of a
102 text segment ending precisely at the end of a page; it causes the
103 data segment to skip a page. The above expression does not have
104 this problem, but it will currently (2/95) cause BFD to allocate
105 a single segment, combining both text and data, for this case.
106 This will prevent the text segment from being shared among
107 multiple executions of the program; I think that is more
108 important than losing a page of the virtual address space (note
109 that no actual memory is lost; the page which is skipped can not
111 ${RELOCATING+. = ${DATA_ADDR- ALIGN(8) + ${MAXPAGESIZE}};}
113 .data ${RELOCATING-0} :
115 ${RELOCATING+${DATA_START_SYMBOLS}}
118 ${CONSTRUCTING+CONSTRUCTORS}
120 .data1 ${RELOCATING-0} : { *(.data1) }
121 ${RELOCATING+${OTHER_READWRITE_SECTIONS}}
123 .got1 ${RELOCATING-0} : { *(.got1) }
124 .dynamic ${RELOCATING-0} : { *(.dynamic) }
126 /* Put .ctors and .dtors next to the .got2 section, so that the pointers
127 get relocated with -mrelocatable. Also put in the .fixup pointers.
128 The current compiler no longer needs this, but keep it around for 2.7.2 */
130 ${RELOCATING+PROVIDE (_GOT2_START_ = .);}
131 .got2 ${RELOCATING-0} : { *(.got2) }
133 ${RELOCATING+PROVIDE (__CTOR_LIST__ = .);}
134 .ctors ${RELOCATING-0} : { *(.ctors) }
135 ${RELOCATING+PROVIDE (__CTOR_END__ = .);}
137 ${RELOCATING+PROVIDE (__DTOR_LIST__ = .);}
138 .dtors ${RELOCATING-0} : { *(.dtors) }
139 ${RELOCATING+PROVIDE (__DTOR_END__ = .);}
141 ${RELOCATING+PROVIDE (_FIXUP_START_ = .);}
142 .fixup ${RELOCATING-0} : { *(.fixup) }
143 ${RELOCATING+PROVIDE (_FIXUP_END_ = .);}
144 ${RELOCATING+PROVIDE (_GOT2_END_ = .);}
146 ${RELOCATING+PROVIDE (_GOT_START_ = .);}
147 .got ${RELOCATING-0} : { *(.got) }
148 .got.plt ${RELOCATING-0} : { *(.got.plt) }
149 ${CREATE_SHLIB+${SDATA2}}
150 ${CREATE_SHLIB+${SBSS2}}
151 ${RELOCATING+PROVIDE (_GOT_END_ = .);}
153 /* We want the small data sections together, so single-instruction offsets
154 can access them all, and initialized data all before uninitialized, so
155 we can shorten the on-disk segment size. */
156 .sdata ${RELOCATING-0} : { *(.sdata) }
157 ${RELOCATING+_edata = .;}
158 ${RELOCATING+PROVIDE (edata = .);}
159 .sbss ${RELOCATING-0} :
161 ${RELOCATING+PROVIDE (__sbss_start = .);}
165 ${RELOCATING+PROVIDE (__sbss_end = .);}
168 .bss ${RELOCATING-0} :
170 ${RELOCATING+${OTHER_BSS_SYMBOLS}}
171 ${RELOCATING+PROVIDE (__bss_start = .);}
176 ${RELOCATING+_end = . ;}
177 ${RELOCATING+PROVIDE (end = .);}
179 /* These are needed for ELF backends which have not yet been
180 converted to the new style linker. */
181 .stab 0 : { *(.stab) }
182 .stabstr 0 : { *(.stabstr) }
184 /* DWARF debug sections.
185 Symbols in the DWARF debugging sections are relative to the beginning
186 of the section so we begin them at 0. */
189 .debug 0 : { *(.debug) }
190 .line 0 : { *(.line) }
192 /* GNU DWARF 1 extensions */
193 .debug_srcinfo 0 : { *(.debug_srcinfo) }
194 .debug_sfnames 0 : { *(.debug_sfnames) }
196 /* DWARF 1.1 and DWARF 2 */
197 .debug_aranges 0 : { *(.debug_aranges) }
198 .debug_pubnames 0 : { *(.debug_pubnames) }
201 .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
202 .debug_abbrev 0 : { *(.debug_abbrev) }
203 .debug_line 0 : { *(.debug_line) }
204 .debug_frame 0 : { *(.debug_frame) }
205 .debug_str 0 : { *(.debug_str) }
206 .debug_loc 0 : { *(.debug_loc) }
207 .debug_macinfo 0 : { *(.debug_macinfo) }
209 /* SGI/MIPS DWARF 2 extensions */
210 .debug_weaknames 0 : { *(.debug_weaknames) }
211 .debug_funcnames 0 : { *(.debug_funcnames) }
212 .debug_typenames 0 : { *(.debug_typenames) }
213 .debug_varnames 0 : { *(.debug_varnames) }
215 /* These must appear regardless of ${RELOCATING}. */