diff options
Diffstat (limited to 'contrib/binutils/ld/scripttempl/elf.sc')
| -rw-r--r-- | contrib/binutils/ld/scripttempl/elf.sc | 42 |
1 files changed, 30 insertions, 12 deletions
diff --git a/contrib/binutils/ld/scripttempl/elf.sc b/contrib/binutils/ld/scripttempl/elf.sc index 27f2e9d..83e589a 100644 --- a/contrib/binutils/ld/scripttempl/elf.sc +++ b/contrib/binutils/ld/scripttempl/elf.sc @@ -2,8 +2,10 @@ # 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 +# INITIAL_READONLY_SECTIONS - at start of text segment # OTHER_READONLY_SECTIONS - other than .text .init .rodata ... # (e.g., .PARISC.milli) +# OTHER_TEXT_SECTIONS - these get put in .text when relocating # OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ... # (e.g., .PARISC.global) # OTHER_SECTIONS - at the end @@ -13,21 +15,29 @@ # .text section. # DATA_START_SYMBOLS - symbols that appear at the start of the # .data section. +# OTHER_GOT_SYMBOLS - symbols defined just before .got. +# OTHER_GOT_SECTIONS - sections just after .got and .sdata. # OTHER_BSS_SYMBOLS - symbols that appear at the start of the # .bss section besides __bss_start. # DATA_PLT - .plt should be in data segment, not text segment. +# TEXT_DYNAMIC - .dynamic in text segment, not data segment. # EMBEDDED - whether this is for an embedded system. +# SHLIB_TEXT_START_ADDR - if set, add to SIZEOF_HEADERS to set +# start address of shared library. # # 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=${OUTPUT_FORMAT} if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi +test -z "${ELFSIZE}" && ELFSIZE=32 test "$LD_FLAG" = "N" && DATA_ADDR=. INTERP=".interp ${RELOCATING-0} : { *(.interp) }" PLT=".plt ${RELOCATING-0} : { *(.plt) }" +DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" # if this is for an embedded system, don't add SIZEOF_HEADERS. if [ -z "$EMBEDDED" ]; then @@ -54,8 +64,10 @@ SECTIONS { /* Read-only sections, merged into text segment: */ ${CREATE_SHLIB-${RELOCATING+. = ${TEXT_BASE_ADDRESS};}} - ${CREATE_SHLIB+${RELOCATING+. = SIZEOF_HEADERS;}} + ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}} ${CREATE_SHLIB-${INTERP}} + ${INITIAL_READONLY_SECTIONS} + ${TEXT_DYNAMIC+${DYNAMIC}} .hash ${RELOCATING-0} : { *(.hash) } .dynsym ${RELOCATING-0} : { *(.dynsym) } .dynstr ${RELOCATING-0} : { *(.dynstr) } @@ -63,17 +75,17 @@ SECTIONS .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) } .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) } .rel.text ${RELOCATING-0} : - { *(.rel.text) *(.rel.gnu.linkonce.t*) } + { *(.rel.text) ${RELOCATING+*(.rel.gnu.linkonce.t*)} } .rela.text ${RELOCATING-0} : - { *(.rela.text) *(.rela.gnu.linkonce.t*) } + { *(.rela.text) ${RELOCATING+*(.rela.gnu.linkonce.t*)} } .rel.data ${RELOCATING-0} : - { *(.rel.data) *(.rel.gnu.linkonce.d*) } + { *(.rel.data) ${RELOCATING+*(.rel.gnu.linkonce.d*)} } .rela.data ${RELOCATING-0} : - { *(.rela.data) *(.rela.gnu.linkonce.d*) } + { *(.rela.data) ${RELOCATING+*(.rela.gnu.linkonce.d*)} } .rel.rodata ${RELOCATING-0} : - { *(.rel.rodata) *(.rel.gnu.linkonce.r*) } + { *(.rel.rodata) ${RELOCATING+*(.rel.gnu.linkonce.r*)} } .rela.rodata ${RELOCATING-0} : - { *(.rela.rodata) *(.rela.gnu.linkonce.r*) } + { *(.rela.rodata) ${RELOCATING+*(.rela.gnu.linkonce.r*)} } .rel.got ${RELOCATING-0} : { *(.rel.got) } .rela.got ${RELOCATING-0} : { *(.rela.got) } .rel.ctors ${RELOCATING-0} : { *(.rel.ctors) } @@ -94,26 +106,29 @@ SECTIONS { ${RELOCATING+${TEXT_START_SYMBOLS}} *(.text) + *(.stub) /* .gnu.warning sections are handled specially by elf32.em. */ *(.gnu.warning) - *(.gnu.linkonce.t*) + ${RELOCATING+*(.gnu.linkonce.t*)} + ${RELOCATING+${OTHER_TEXT_SECTIONS}} } =${NOP-0} ${RELOCATING+_etext = .;} ${RELOCATING+PROVIDE (etext = .);} .fini ${RELOCATING-0} : { *(.fini) } =${NOP-0} - .rodata ${RELOCATING-0} : { *(.rodata) *(.gnu.linkonce.r*) } + .rodata ${RELOCATING-0} : { *(.rodata) ${RELOCATING+*(.gnu.linkonce.r*)} } .rodata1 ${RELOCATING-0} : { *(.rodata1) } ${RELOCATING+${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. */ - ${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))};} + ${CREATE_SHLIB-${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))};}} + ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))};}} .data ${RELOCATING-0} : { ${RELOCATING+${DATA_START_SYMBOLS}} *(.data) - *(.gnu.linkonce.d*) + ${RELOCATING+*(.gnu.linkonce.d*)} ${CONSTRUCTING+CONSTRUCTORS} } .data1 ${RELOCATING-0} : { *(.data1) } @@ -131,12 +146,14 @@ SECTIONS ${CONSTRUCTING+${DTOR_END}} } ${DATA_PLT+${PLT}} + ${RELOCATING+${OTHER_GOT_SYMBOLS}} .got ${RELOCATING-0} : { *(.got.plt) *(.got) } - .dynamic ${RELOCATING-0} : { *(.dynamic) } + ${TEXT_DYNAMIC-${DYNAMIC}} /* 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) } + ${RELOCATING+${OTHER_GOT_SECTIONS}} ${RELOCATING+_edata = .;} ${RELOCATING+PROVIDE (edata = .);} ${RELOCATING+__bss_start = .;} @@ -148,6 +165,7 @@ SECTIONS *(.bss) *(COMMON) } + ${RELOCATING+. = ALIGN(${ELFSIZE} / 8);} ${RELOCATING+_end = . ;} ${RELOCATING+PROVIDE (end = .);} |
