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 - four 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 # ATTRS_SECTIONS - at the end
12 # OTHER_SECTIONS - at the end
13 # EXECUTABLE_SYMBOLS - symbols that must be defined for an
14 # executable (e.g., _DYNAMIC_LINK)
15 # TEXT_START_SYMBOLS - symbols that appear at the start of the
17 # DATA_START_SYMBOLS - symbols that appear at the start of the
19 # OTHER_BSS_SYMBOLS - symbols that appear at the start of the
20 # .bss section besides __bss_start.
22 # When adding sections, do note that the names of some sections are used
23 # when specifying the start address of the next.
25 test -z "$ENTRY" && ENTRY=_start
26 test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT}
27 test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
28 test -z "$ATTRS_SECTIONS" && ATTRS_SECTIONS=".gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }"
29 test "$LD_FLAG" = "N" && DATA_ADDR=.
30 SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2) }"
31 SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2) }"
32 INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
33 PLT=".plt ${RELOCATING-0} : { *(.plt) }"
35 OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
36 "${LITTLE_OUTPUT_FORMAT}")
38 ${RELOCATING+ENTRY(${ENTRY})}
40 ${RELOCATING+${LIB_SEARCH_DIRS}}
41 ${RELOCATING+/* Do we need any of these for elf?
42 __DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */}
43 ${RELOCATING+${EXECUTABLE_SYMBOLS}}
44 ${RELOCATING- /* For some reason, the Solaris linker makes bad executables
45 if gld -r is used and the intermediate file has sections starting
46 at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld
47 bug. But for now assigning the zero vmas works. */}
49 ${RELOCATING+PROVIDE (__stack = 0);}
52 /* Read-only sections, merged into text segment: */
53 ${CREATE_SHLIB-${RELOCATING+. = ${TEXT_START_ADDR} + SIZEOF_HEADERS;}}
54 ${CREATE_SHLIB+${RELOCATING+. = SIZEOF_HEADERS;}}
55 ${CREATE_SHLIB-${INTERP}}
56 .hash ${RELOCATING-0} : { *(.hash) }
57 .dynsym ${RELOCATING-0} : { *(.dynsym) }
58 .dynstr ${RELOCATING-0} : { *(.dynstr) }
59 .gnu.version ${RELOCATING-0} : { *(.gnu.version) }
60 .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) }
61 .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) }
62 .rela.text ${RELOCATING-0} :
63 { *(.rela.text) *(.rela.gnu.linkonce.t*) }
64 .rela.data ${RELOCATING-0} :
65 { *(.rela.data) *(.rela.gnu.linkonce.d*) }
66 .rela.rodata ${RELOCATING-0} :
67 { *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
68 .rela.got ${RELOCATING-0} : { *(.rela.got) }
69 .rela.got1 ${RELOCATING-0} : { *(.rela.got1) }
70 .rela.got2 ${RELOCATING-0} : { *(.rela.got2) }
71 .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
72 .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) }
73 .rela.init ${RELOCATING-0} : { *(.rela.init) }
74 .rela.fini ${RELOCATING-0} : { *(.rela.fini) }
75 .rela.bss ${RELOCATING-0} : { *(.rela.bss) }
76 .rela.plt ${RELOCATING-0} : { *(.rela.plt) }
77 .rela.sdata ${RELOCATING-0} : { *(.rela.sdata) }
78 .rela.sbss ${RELOCATING-0} : { *(.rela.sbss) }
79 .rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2) }
80 .rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2) }
81 .text ${RELOCATING-0} :
83 ${RELOCATING+${TEXT_START_SYMBOLS}}
85 /* .gnu.warning sections are handled specially by elf32.em. */
89 .init ${RELOCATING-0} : { *(.init) } =${NOP-0}
90 .fini ${RELOCATING-0} : { *(.fini) } =${NOP-0}
91 .rodata ${RELOCATING-0} : { *(.rodata) *(.gnu.linkonce.r*) }
92 .rodata1 ${RELOCATING-0} : { *(.rodata1) }
93 ${RELOCATING+_etext = .;}
94 ${RELOCATING+PROVIDE (etext = .);}
95 ${CREATE_SHLIB-${SDATA2}}
96 ${CREATE_SHLIB-${SBSS2}}
97 ${OTHER_READONLY_SECTIONS}
99 /* Adjust the address for the data segment. We want to adjust up to
100 the same address within the page on the next page up. It would
101 be more correct to do this:
102 ${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (ALIGN(8) & (${MAXPAGESIZE} - 1))};}
103 The current expression does not correctly handle the case of a
104 text segment ending precisely at the end of a page; it causes the
105 data segment to skip a page. The above expression does not have
106 this problem, but it will currently (2/95) cause BFD to allocate
107 a single segment, combining both text and data, for this case.
108 This will prevent the text segment from being shared among
109 multiple executions of the program; I think that is more
110 important than losing a page of the virtual address space (note
111 that no actual memory is lost; the page which is skipped can not
113 ${RELOCATING+. = ${DATA_ADDR- ALIGN(8) + ${MAXPAGESIZE}};}
115 .data ${RELOCATING-0} :
117 ${RELOCATING+${DATA_START_SYMBOLS}}
120 ${CONSTRUCTING+CONSTRUCTORS}
122 .data1 ${RELOCATING-0} : { *(.data1) }
123 ${OTHER_READWRITE_SECTIONS}
125 .got1 ${RELOCATING-0} : { *(.got1) }
126 .dynamic ${RELOCATING-0} : { *(.dynamic) }
128 /* Put .ctors and .dtors next to the .got2 section, so that the pointers
129 get relocated with -mrelocatable. Also put in the .fixup pointers.
130 The current compiler no longer needs this, but keep it around for 2.7.2 */
132 ${RELOCATING+PROVIDE (_GOT2_START_ = .);}
133 .got2 ${RELOCATING-0} : { *(.got2) }
135 ${RELOCATING+PROVIDE (__CTOR_LIST__ = .);}
136 .ctors ${RELOCATING-0} : { *(.ctors) }
137 ${RELOCATING+PROVIDE (__CTOR_END__ = .);}
139 ${RELOCATING+PROVIDE (__DTOR_LIST__ = .);}
140 .dtors ${RELOCATING-0} : { *(.dtors) }
141 ${RELOCATING+PROVIDE (__DTOR_END__ = .);}
143 ${RELOCATING+PROVIDE (_FIXUP_START_ = .);}
144 .fixup ${RELOCATING-0} : { *(.fixup) }
145 ${RELOCATING+PROVIDE (_FIXUP_END_ = .);}
146 ${RELOCATING+PROVIDE (_GOT2_END_ = .);}
148 ${RELOCATING+PROVIDE (_GOT_START_ = .);}
149 .got ${RELOCATING-0} : { *(.got) }
150 .got.plt ${RELOCATING-0} : { *(.got.plt) }
151 ${CREATE_SHLIB+${SDATA2}}
152 ${CREATE_SHLIB+${SBSS2}}
153 ${RELOCATING+PROVIDE (_GOT_END_ = .);}
155 /* We want the small data sections together, so single-instruction offsets
156 can access them all, and initialized data all before uninitialized, so
157 we can shorten the on-disk segment size. */
158 .sdata ${RELOCATING-0} : { *(.sdata) }
159 ${RELOCATING+_edata = .;}
160 ${RELOCATING+PROVIDE (edata = .);}
161 .sbss ${RELOCATING-0} :
163 ${RELOCATING+PROVIDE (__sbss_start = .);}
167 ${RELOCATING+PROVIDE (__sbss_end = .);}
170 .bss ${RELOCATING-0} :
172 ${RELOCATING+${OTHER_BSS_SYMBOLS}}
173 ${RELOCATING+PROVIDE (__bss_start = .);}
178 ${RELOCATING+_end = . ;}
179 ${RELOCATING+PROVIDE (end = .);}
181 /* These are needed for ELF backends which have not yet been
182 converted to the new style linker. */
183 .stab 0 : { *(.stab) }
184 .stabstr 0 : { *(.stabstr) }
186 /* DWARF debug sections.
187 Symbols in the DWARF debugging sections are relative to the beginning
188 of the section so we begin them at 0. */
191 .debug 0 : { *(.debug) }
192 .line 0 : { *(.line) }
194 /* GNU DWARF 1 extensions */
195 .debug_srcinfo 0 : { *(.debug_srcinfo) }
196 .debug_sfnames 0 : { *(.debug_sfnames) }
198 /* DWARF 1.1 and DWARF 2 */
199 .debug_aranges 0 : { *(.debug_aranges) }
200 .debug_pubnames 0 : { *(.debug_pubnames) }
203 .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
204 .debug_abbrev 0 : { *(.debug_abbrev) }
205 .debug_line 0 : { *(.debug_line) }
206 .debug_frame 0 : { *(.debug_frame) }
207 .debug_str 0 : { *(.debug_str) }
208 .debug_loc 0 : { *(.debug_loc) }
209 .debug_macinfo 0 : { *(.debug_macinfo) }
211 /* SGI/MIPS DWARF 2 extensions */
212 .debug_weaknames 0 : { *(.debug_weaknames) }
213 .debug_funcnames 0 : { *(.debug_funcnames) }
214 .debug_typenames 0 : { *(.debug_typenames) }
215 .debug_varnames 0 : { *(.debug_varnames) }