| 1 | #
|
|---|
| 2 | # This is just a raw copy of elfppc.sc and has not been otherwise modified
|
|---|
| 3 | #
|
|---|
| 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 | # 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
|
|---|
| 15 | # .text section.
|
|---|
| 16 | # DATA_START_SYMBOLS - symbols that appear at the start of the
|
|---|
| 17 | # .data section.
|
|---|
| 18 | # OTHER_BSS_SYMBOLS - symbols that appear at the start of the
|
|---|
| 19 | # .bss section besides __bss_start.
|
|---|
| 20 | #
|
|---|
| 21 | # When adding sections, do note that the names of some sections are used
|
|---|
| 22 | # when specifying the start address of the next.
|
|---|
| 23 | #
|
|---|
| 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 ${RELOCATING-0} : { *(.plt) }"
|
|---|
| 32 | cat <<EOF
|
|---|
| 33 | OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
|
|---|
| 34 | "${LITTLE_OUTPUT_FORMAT}")
|
|---|
| 35 | OUTPUT_ARCH(${ARCH})
|
|---|
| 36 | ENTRY(${ENTRY})
|
|---|
| 37 |
|
|---|
| 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. */}
|
|---|
| 46 |
|
|---|
| 47 | ${RELOCATING+PROVIDE (__stack = 0);}
|
|---|
| 48 | SECTIONS
|
|---|
| 49 | {
|
|---|
| 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} :
|
|---|
| 80 | {
|
|---|
| 81 | ${RELOCATING+${TEXT_START_SYMBOLS}}
|
|---|
| 82 | *(.text)
|
|---|
| 83 | /* .gnu.warning sections are handled specially by elf32.em. */
|
|---|
| 84 | *(.gnu.warning)
|
|---|
| 85 | *(.gnu.linkonce.t*)
|
|---|
| 86 | } =${NOP-0}
|
|---|
| 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 | ${OTHER_READONLY_SECTIONS}
|
|---|
| 96 |
|
|---|
| 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
|
|---|
| 110 | be referenced). */
|
|---|
| 111 | ${RELOCATING+. = ${DATA_ADDR- ALIGN(8) + ${MAXPAGESIZE}};}
|
|---|
| 112 |
|
|---|
| 113 | .data ${RELOCATING-0} :
|
|---|
| 114 | {
|
|---|
| 115 | ${RELOCATING+${DATA_START_SYMBOLS}}
|
|---|
| 116 | *(.data)
|
|---|
| 117 | *(.gnu.linkonce.d*)
|
|---|
| 118 | ${CONSTRUCTING+CONSTRUCTORS}
|
|---|
| 119 | }
|
|---|
| 120 | .data1 ${RELOCATING-0} : { *(.data1) }
|
|---|
| 121 | ${OTHER_READWRITE_SECTIONS}
|
|---|
| 122 |
|
|---|
| 123 | .got1 ${RELOCATING-0} : { *(.got1) }
|
|---|
| 124 | .dynamic ${RELOCATING-0} : { *(.dynamic) }
|
|---|
| 125 |
|
|---|
| 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 */
|
|---|
| 129 |
|
|---|
| 130 | ${RELOCATING+PROVIDE (_GOT2_START_ = .);}
|
|---|
| 131 | .got2 ${RELOCATING-0} : { *(.got2) }
|
|---|
| 132 |
|
|---|
| 133 | ${RELOCATING+PROVIDE (__CTOR_LIST__ = .);}
|
|---|
| 134 | .ctors ${RELOCATING-0} : { *(.ctors) }
|
|---|
| 135 | ${RELOCATING+PROVIDE (__CTOR_END__ = .);}
|
|---|
| 136 |
|
|---|
| 137 | ${RELOCATING+PROVIDE (__DTOR_LIST__ = .);}
|
|---|
| 138 | .dtors ${RELOCATING-0} : { *(.dtors) }
|
|---|
| 139 | ${RELOCATING+PROVIDE (__DTOR_END__ = .);}
|
|---|
| 140 |
|
|---|
| 141 | ${RELOCATING+PROVIDE (_FIXUP_START_ = .);}
|
|---|
| 142 | .fixup ${RELOCATING-0} : { *(.fixup) }
|
|---|
| 143 | ${RELOCATING+PROVIDE (_FIXUP_END_ = .);}
|
|---|
| 144 | ${RELOCATING+PROVIDE (_GOT2_END_ = .);}
|
|---|
| 145 |
|
|---|
| 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_ = .);}
|
|---|
| 152 |
|
|---|
| 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} :
|
|---|
| 160 | {
|
|---|
| 161 | ${RELOCATING+PROVIDE (__sbss_start = .);}
|
|---|
| 162 | *(.sbss)
|
|---|
| 163 | *(.scommon)
|
|---|
| 164 | *(.dynsbss)
|
|---|
| 165 | ${RELOCATING+PROVIDE (__sbss_end = .);}
|
|---|
| 166 | }
|
|---|
| 167 | ${PLT}
|
|---|
| 168 | .bss ${RELOCATING-0} :
|
|---|
| 169 | {
|
|---|
| 170 | ${RELOCATING+${OTHER_BSS_SYMBOLS}}
|
|---|
| 171 | ${RELOCATING+PROVIDE (__bss_start = .);}
|
|---|
| 172 | *(.dynbss)
|
|---|
| 173 | *(.bss)
|
|---|
| 174 | *(COMMON)
|
|---|
| 175 | }
|
|---|
| 176 | ${RELOCATING+_end = . ;}
|
|---|
| 177 | ${RELOCATING+PROVIDE (end = .);}
|
|---|
| 178 |
|
|---|
| 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) }
|
|---|
| 183 |
|
|---|
| 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. */
|
|---|
| 187 |
|
|---|
| 188 | /* DWARF 1 */
|
|---|
| 189 | .debug 0 : { *(.debug) }
|
|---|
| 190 | .line 0 : { *(.line) }
|
|---|
| 191 |
|
|---|
| 192 | /* GNU DWARF 1 extensions */
|
|---|
| 193 | .debug_srcinfo 0 : { *(.debug_srcinfo) }
|
|---|
| 194 | .debug_sfnames 0 : { *(.debug_sfnames) }
|
|---|
| 195 |
|
|---|
| 196 | /* DWARF 1.1 and DWARF 2 */
|
|---|
| 197 | .debug_aranges 0 : { *(.debug_aranges) }
|
|---|
| 198 | .debug_pubnames 0 : { *(.debug_pubnames) }
|
|---|
| 199 |
|
|---|
| 200 | /* DWARF 2 */
|
|---|
| 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) }
|
|---|
| 208 |
|
|---|
| 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) }
|
|---|
| 214 |
|
|---|
| 215 | ${OTHER_SECTIONS}
|
|---|
| 216 | }
|
|---|
| 217 | EOF
|
|---|
