| # |
| # Unusual variables checked by this code: |
| # NOP - two byte opcode for no-op (defaults to 0) |
| # DATA_ADDR - if end-of-text-plus-one-page isn't right for data start |
| # OTHER_READONLY_SECTIONS - other than .text .init .rodata ... |
| # (e.g., .PARISC.milli) |
| # OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ... |
| # (e.g., .PARISC.global) |
| # OTHER_SECTIONS - at the end |
| # EXECUTABLE_SYMBOLS - symbols that must be defined for an |
| # executable (e.g., _DYNAMIC_LINK) |
| # TEXT_START_SYMBOLS - symbols that appear at the start of the |
| # .text section. |
| # DATA_START_SYMBOLS - symbols that appear at the start of the |
| # .data section. |
| # OTHER_BSS_SYMBOLS - symbols that appear at the start of the |
| # .bss section besides __bss_start. |
| # |
| # When adding sections, do note that the names of some sections are used |
| # when specifying the start address of the next. |
| # |
| test -z "$ENTRY" && ENTRY=_start |
| test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT} |
| test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT} |
| test "$LD_FLAG" = "N" && DATA_ADDR=. |
| SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2) }" |
| SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2) }" |
| INTERP=".interp ${RELOCATING-0} : { *(.interp) }" |
| PLT=".plt ${RELOCATING-0} : { *(.plt) }" |
| CTOR=".ctors ${CONSTRUCTING-0} : |
| { |
| ${CONSTRUCTING+${CTOR_START}} |
| /* gcc uses crtbegin.o to find the start of |
| the constructors, so we make sure it is |
| first. Because this is a wildcard, it |
| doesn't matter if the user does not |
| actually link against crtbegin.o; the |
| linker won't look for a file to match a |
| wildcard. The wildcard also means that it |
| doesn't matter which directory crtbegin.o |
| is in. */ |
| |
| KEEP (*crtbegin.o(.ctors)) |
| |
| /* We don't want to include the .ctor section from |
| from the crtend.o file until after the sorted ctors. |
| The .ctor section from the crtend file contains the |
| end of ctors marker and it must be last */ |
| |
| KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) |
| KEEP (*(SORT(.ctors.*))) |
| KEEP (*(.ctors)) |
| ${CONSTRUCTING+${CTOR_END}} |
| }" |
| |
| DTOR=" .dtors ${CONSTRUCTING-0} : |
| { |
| ${CONSTRUCTING+${DTOR_START}} |
| KEEP (*crtbegin.o(.dtors)) |
| KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) |
| KEEP (*(SORT(.dtors.*))) |
| KEEP (*(.dtors)) |
| ${CONSTRUCTING+${DTOR_END}} |
| }" |
| |
| cat <<EOF |
| OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}", |
| "${LITTLE_OUTPUT_FORMAT}") |
| OUTPUT_ARCH(${ARCH}) |
| ENTRY(${ENTRY}) |
| |
| ${RELOCATING+${LIB_SEARCH_DIRS}} |
| ${RELOCATING+/* Do we need any of these for elf? |
| __DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */} |
| ${RELOCATING+${EXECUTABLE_SYMBOLS}} |
| ${RELOCATING- /* For some reason, the Solaris linker makes bad executables |
| if gld -r is used and the intermediate file has sections starting |
| at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld |
| bug. But for now assigning the zero vmas works. */} |
| |
| ${RELOCATING+PROVIDE (__stack = 0);} |
| ${RELOCATING+PROVIDE (___stack = 0);} |
| SECTIONS |
| { |
| /* Read-only sections, merged into text segment: */ |
| ${CREATE_SHLIB-${RELOCATING+. = ${TEXT_START_ADDR} + SIZEOF_HEADERS;}} |
| ${CREATE_SHLIB+${RELOCATING+. = SIZEOF_HEADERS;}} |
| ${CREATE_SHLIB-${INTERP}} |
| .hash ${RELOCATING-0} : { *(.hash) } |
| .dynsym ${RELOCATING-0} : { *(.dynsym) } |
| .dynstr ${RELOCATING-0} : { *(.dynstr) } |
| .gnu.version ${RELOCATING-0} : { *(.gnu.version) } |
| .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) } |
| .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) } |
| .rela.text ${RELOCATING-0} : |
| { |
| *(.rela.text) |
| ${RELOCATING+*(.rela.text.*)} |
| ${RELOCATING+*(.rela.gnu.linkonce.t*)} |
| } |
| .rela.data ${RELOCATING-0} : |
| { |
| *(.rela.data) |
| ${RELOCATING+*(.rela.data.*)} |
| ${RELOCATING+*(.rela.gnu.linkonce.d*)} |
| } |
| .rela.rodata ${RELOCATING-0} : |
| { |
| *(.rela.rodata) |
| ${RELOCATING+*(.rela.rodata.*)} |
| ${RELOCATING+*(.rela.gnu.linkonce.r*)} |
| } |
| .rela.got ${RELOCATING-0} : { *(.rela.got) } |
| .rela.got1 ${RELOCATING-0} : { *(.rela.got1) } |
| .rela.got2 ${RELOCATING-0} : { *(.rela.got2) } |
| .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) } |
| .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) } |
| .rela.init ${RELOCATING-0} : { *(.rela.init) } |
| .rela.fini ${RELOCATING-0} : { *(.rela.fini) } |
| .rela.bss ${RELOCATING-0} : { *(.rela.bss) } |
| .rela.plt ${RELOCATING-0} : { *(.rela.plt) } |
| .rela.sdata ${RELOCATING-0} : { *(.rela.sdata) } |
| .rela.sbss ${RELOCATING-0} : { *(.rela.sbss) } |
| .rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2) } |
| .rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2) } |
| .text ${RELOCATING-0} : |
| { |
| ${RELOCATING+${TEXT_START_SYMBOLS}} |
| *(.text) |
| ${RELOCATING+*(.text.*)} |
| /* .gnu.warning sections are handled specially by elf32.em. */ |
| *(.gnu.warning) |
| ${RELOCATING+*(.gnu.linkonce.t*)} |
| } =${NOP-0} |
| .init ${RELOCATING-0} : { KEEP (*(.init)) } =${NOP-0} |
| .fini ${RELOCATING-0} : { KEEP (*(.fini)) } =${NOP-0} |
| .rodata ${RELOCATING-0} : |
| { |
| *(.rodata) |
| ${RELOCATING+*(.rodata.*)} |
| ${RELOCATING+*(.gnu.linkonce.r*)} |
| } |
| .rodata1 ${RELOCATING-0} : { *(.rodata1) } |
| ${RELOCATING+_etext = .;} |
| ${RELOCATING+PROVIDE (etext = .);} |
| ${RELOCATING+PROVIDE (__etext = .);} |
| ${CREATE_SHLIB-${SDATA2}} |
| ${CREATE_SHLIB-${SBSS2}} |
| ${RELOCATING+${OTHER_READONLY_SECTIONS}} |
| |
| /* Adjust the address for the data segment. We want to adjust up to |
| the same address within the page on the next page up. It would |
| be more correct to do this: |
| ${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (ALIGN(8) & (${MAXPAGESIZE} - 1))};} |
| The current expression does not correctly handle the case of a |
| text segment ending precisely at the end of a page; it causes the |
| data segment to skip a page. The above expression does not have |
| this problem, but it will currently (2/95) cause BFD to allocate |
| a single segment, combining both text and data, for this case. |
| This will prevent the text segment from being shared among |
| multiple executions of the program; I think that is more |
| important than losing a page of the virtual address space (note |
| that no actual memory is lost; the page which is skipped can not |
| be referenced). */ |
| ${RELOCATING+. = ${DATA_ADDR- ALIGN(8) + ${MAXPAGESIZE}};} |
| |
| .data ${RELOCATING-0} : |
| { |
| ${RELOCATING+${DATA_START_SYMBOLS}} |
| *(.data) |
| ${RELOCATING+*(.data.*)} |
| ${RELOCATING+*(.gnu.linkonce.d*)} |
| ${CONSTRUCTING+CONSTRUCTORS} |
| } |
| .data1 ${RELOCATING-0} : { *(.data1) } |
| ${RELOCATING+${OTHER_READWRITE_SECTIONS}} |
| |
| .got1 ${RELOCATING-0} : { *(.got1) } |
| .dynamic ${RELOCATING-0} : { *(.dynamic) } |
| |
| /* Put .ctors and .dtors next to the .got2 section, so that the pointers |
| get relocated with -mrelocatable. Also put in the .fixup pointers. |
| The current compiler no longer needs this, but keep it around for 2.7.2 */ |
| |
| ${RELOCATING+PROVIDE (_GOT2_START_ = .);} |
| ${RELOCATING+PROVIDE (__GOT2_START_ = .);} |
| .got2 ${RELOCATING-0} : { *(.got2) } |
| |
| ${RELOCATING+PROVIDE (__CTOR_LIST__ = .);} |
| ${RELOCATING+PROVIDE (___CTOR_LIST__ = .);} |
| ${RELOCATING+${CTOR}} |
| ${RELOCATING+PROVIDE (__CTOR_END__ = .);} |
| ${RELOCATING+PROVIDE (___CTOR_END__ = .);} |
| |
| ${RELOCATING+PROVIDE (__DTOR_LIST__ = .);} |
| ${RELOCATING+PROVIDE (___DTOR_LIST__ = .);} |
| ${RELOCATING+${DTOR}} |
| ${RELOCATING+PROVIDE (__DTOR_END__ = .);} |
| ${RELOCATING+PROVIDE (___DTOR_END__ = .);} |
| |
| ${RELOCATING+PROVIDE (_FIXUP_START_ = .);} |
| ${RELOCATING+PROVIDE (__FIXUP_START_ = .);} |
| .fixup ${RELOCATING-0} : { *(.fixup) } |
| ${RELOCATING+PROVIDE (_FIXUP_END_ = .);} |
| ${RELOCATING+PROVIDE (__FIXUP_END_ = .);} |
| ${RELOCATING+PROVIDE (_GOT2_END_ = .);} |
| ${RELOCATING+PROVIDE (__GOT2_END_ = .);} |
| |
| ${RELOCATING+PROVIDE (_GOT_START_ = .);} |
| ${RELOCATING+PROVIDE (__GOT_START_ = .);} |
| .got ${RELOCATING-0} : { *(.got) } |
| .got.plt ${RELOCATING-0} : { *(.got.plt) } |
| ${CREATE_SHLIB+${SDATA2}} |
| ${CREATE_SHLIB+${SBSS2}} |
| ${RELOCATING+PROVIDE (_GOT_END_ = .);} |
| ${RELOCATING+PROVIDE (__GOT_END_ = .);} |
| |
| /* We want the small data sections together, so single-instruction offsets |
| can access them all, and initialized data all before uninitialized, so |
| we can shorten the on-disk segment size. */ |
| .sdata ${RELOCATING-0} : { *(.sdata) } |
| ${RELOCATING+_edata = .;} |
| ${RELOCATING+PROVIDE (edata = .);} |
| ${RELOCATING+PROVIDE (__edata = .);} |
| .sbss ${RELOCATING-0} : |
| { |
| ${RELOCATING+PROVIDE (__sbss_start = .);} |
| ${RELOCATING+PROVIDE (___sbss_start = .);} |
| *(.sbss) |
| *(.scommon) |
| *(.dynsbss) |
| ${RELOCATING+PROVIDE (__sbss_end = .);} |
| ${RELOCATING+PROVIDE (___sbss_end = .);} |
| } |
| ${PLT} |
| .bss ${RELOCATING-0} : |
| { |
| ${RELOCATING+${OTHER_BSS_SYMBOLS}} |
| ${RELOCATING+PROVIDE (__bss_start = .);} |
| ${RELOCATING+PROVIDE (___bss_start = .);} |
| *(.dynbss) |
| *(.bss) |
| *(COMMON) |
| } |
| ${RELOCATING+_end = . ;} |
| ${RELOCATING+PROVIDE (end = .);} |
| ${RELOCATING+PROVIDE (__end = .);} |
| |
| /* These are needed for ELF backends which have not yet been |
| converted to the new style linker. */ |
| .stab 0 : { *(.stab) } |
| .stabstr 0 : { *(.stabstr) } |
| |
| /* DWARF debug sections. |
| Symbols in the DWARF debugging sections are relative to the beginning |
| of the section so we begin them at 0. */ |
| |
| /* DWARF 1 */ |
| .debug 0 : { *(.debug) } |
| .line 0 : { *(.line) } |
| |
| /* GNU DWARF 1 extensions */ |
| .debug_srcinfo 0 : { *(.debug_srcinfo) } |
| .debug_sfnames 0 : { *(.debug_sfnames) } |
| |
| /* DWARF 1.1 and DWARF 2 */ |
| .debug_aranges 0 : { *(.debug_aranges) } |
| .debug_pubnames 0 : { *(.debug_pubnames) } |
| |
| /* DWARF 2 */ |
| .debug_info 0 : { *(.debug_info) } |
| .debug_abbrev 0 : { *(.debug_abbrev) } |
| .debug_line 0 : { *(.debug_line) } |
| .debug_frame 0 : { *(.debug_frame) } |
| .debug_str 0 : { *(.debug_str) } |
| .debug_loc 0 : { *(.debug_loc) } |
| .debug_macinfo 0 : { *(.debug_macinfo) } |
| |
| /* SGI/MIPS DWARF 2 extensions */ |
| .debug_weaknames 0 : { *(.debug_weaknames) } |
| .debug_funcnames 0 : { *(.debug_funcnames) } |
| .debug_typenames 0 : { *(.debug_typenames) } |
| .debug_varnames 0 : { *(.debug_varnames) } |
| |
| /* These must appear regardless of ${RELOCATING}. */ |
| ${OTHER_SECTIONS} |
| } |
| EOF |