diff options
Diffstat (limited to 'contrib/binutils/ld/scripttempl/elf.sc')
-rw-r--r-- | contrib/binutils/ld/scripttempl/elf.sc | 52 |
1 files changed, 34 insertions, 18 deletions
diff --git a/contrib/binutils/ld/scripttempl/elf.sc b/contrib/binutils/ld/scripttempl/elf.sc index ac0c725..205d162 100644 --- a/contrib/binutils/ld/scripttempl/elf.sc +++ b/contrib/binutils/ld/scripttempl/elf.sc @@ -14,6 +14,8 @@ # (e.g., .PARISC.global) # OTHER_RELRO_SECTIONS - other than .data.rel.ro ... # (e.g. PPC32 .fixup, .got[12]) +# OTHER_BSS_SECTIONS - other than .bss .sbss ... +# ATTRS_SECTIONS - at the end # OTHER_SECTIONS - at the end # EXECUTABLE_SYMBOLS - symbols that must be defined for an # executable (e.g., _DYNAMIC_LINK) @@ -52,6 +54,7 @@ # so that .got can be in the RELRO area. It should be set to # the number of bytes in the beginning of .got.plt which can be # in the RELRO area as well. +# USER_LABEL_PREFIX - prefix to add to user-visible symbols. # # When adding sections, do note that the names of some sections are used # when specifying the start address of the next. @@ -94,6 +97,7 @@ test -z "${ETEXT_NAME}" && ETEXT_NAME=etext test -n "$CREATE_SHLIB$CREATE_PIE" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE="" test -z "$CREATE_SHLIB$CREATE_PIE" && test -n "$DATA_ADDR" && COMMONPAGESIZE="" test -n "$RELRO_NOW" && unset SEPARATE_GOTPLT +test -z "$ATTRS_SECTIONS" && ATTRS_SECTIONS=".gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }" DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" DATA_SEGMENT_RELRO_END="" DATA_SEGMENT_END="" @@ -102,7 +106,9 @@ if test -n "${COMMONPAGESIZE}"; then DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);" DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (${SEPARATE_GOTPLT-0}, .);" fi -INTERP=".interp ${RELOCATING-0} : { *(.interp) }" +if test -z "${INITIAL_READONLY_SECTIONS}${CREATE_SHLIB}"; then + INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }" +fi if test -z "$PLT"; then PLT=".plt ${RELOCATING-0} : { *(.plt) }" fi @@ -173,13 +179,15 @@ test "${LARGE_SECTIONS}" = "yes" && REL_LARGE=" .rela.lbss ${RELOCATING-0} : { *(.rela.lbss${RELOCATING+ .rela.lbss.* .rela.gnu.linkonce.lb.*}) } .rel.lrodata ${RELOCATING-0} : { *(.rel.lrodata${RELOCATING+ .rel.lrodata.* .rel.gnu.linkonce.lr.*}) } .rela.lrodata ${RELOCATING-0} : { *(.rela.lrodata${RELOCATING+ .rela.lrodata.* .rela.gnu.linkonce.lr.*}) }" -test "${LARGE_SECTIONS}" = "yes" && LARGE_SECTIONS=" +test "${LARGE_SECTIONS}" = "yes" && OTHER_BSS_SECTIONS=" + ${OTHER_BSS_SECTIONS} .lbss ${RELOCATING-0} : { *(.dynlbss) *(.lbss${RELOCATING+ .lbss.* .gnu.linkonce.lb.*}) *(LARGE_COMMON) - } + }" +test "${LARGE_SECTIONS}" = "yes" && LARGE_SECTIONS=" .lrodata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} : { *(.lrodata${RELOCATING+ .lrodata.* .gnu.linkonce.lr.*}) @@ -202,14 +210,15 @@ CTOR=".ctors ${CONSTRUCTING-0} : doesn't matter which directory crtbegin.o is in. */ - KEEP (*crtbegin*.o(.ctors)) + KEEP (*crtbegin.o(.ctors)) + KEEP (*crtbegin?.o(.ctors)) /* We don't want to include the .ctor section 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 $OTHER_EXCLUDE_FILES) .ctors)) + KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors)) KEEP (*(SORT(.ctors.*))) KEEP (*(.ctors)) ${CONSTRUCTING+${CTOR_END}} @@ -217,8 +226,9 @@ CTOR=".ctors ${CONSTRUCTING-0} : DTOR=".dtors ${CONSTRUCTING-0} : { ${CONSTRUCTING+${DTOR_START}} - KEEP (*crtbegin*.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend*.o $OTHER_EXCLUDE_FILES) .dtors)) + KEEP (*crtbegin.o(.dtors)) + KEEP (*crtbegin?.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors)) KEEP (*(SORT(.dtors.*))) KEEP (*(.dtors)) ${CONSTRUCTING+${DTOR_END}} @@ -256,10 +266,10 @@ SECTIONS ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+PROVIDE (__executable_start = ${TEXT_START_ADDR}); . = ${TEXT_BASE_ADDRESS};}}} ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}} ${CREATE_PIE+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}} - ${CREATE_SHLIB-${INTERP}} ${INITIAL_READONLY_SECTIONS} ${TEXT_DYNAMIC+${DYNAMIC}} .hash ${RELOCATING-0} : { *(.hash) } + .gnu.hash ${RELOCATING-0} : { *(.gnu.hash) } .dynsym ${RELOCATING-0} : { *(.dynsym) } .dynstr ${RELOCATING-0} : { *(.dynstr) } .gnu.version ${RELOCATING-0} : { *(.gnu.version) } @@ -378,23 +388,23 @@ cat <<EOF .preinit_array ${RELOCATING-0} : { - ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (__preinit_array_start = .);}} + ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_start = .);}} KEEP (*(.preinit_array)) - ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (__preinit_array_end = .);}} + ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_end = .);}} } .init_array ${RELOCATING-0} : { - ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (__init_array_start = .);}} + ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_start = .);}} KEEP (*(SORT(.init_array.*))) KEEP (*(.init_array)) - ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (__init_array_end = .);}} + ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_end = .);}} } .fini_array ${RELOCATING-0} : { - ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (__fini_array_start = .);}} + ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_start = .);}} KEEP (*(.fini_array)) KEEP (*(SORT(.fini_array.*))) - ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (__fini_array_end = .);}} + ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_end = .);}} } ${SMALL_DATA_CTOR-${RELOCATING+${CTOR}}} ${SMALL_DATA_DTOR-${RELOCATING+${DTOR}}} @@ -416,7 +426,7 @@ cat <<EOF { ${RELOCATING+${DATA_START_SYMBOLS}} *(.data${RELOCATING+ .data.* .gnu.linkonce.d.*}) - KEEP (*(.gnu.linkonce.d.*personality*)) + ${RELOCATING+KEEP (*(.gnu.linkonce.d.*personality*))} ${CONSTRUCTING+SORT(CONSTRUCTORS)} } .data1 ${RELOCATING-0} : { *(.data1) } @@ -430,7 +440,7 @@ cat <<EOF ${SDATA_GOT+${OTHER_GOT_SECTIONS}} ${SDATA} ${OTHER_SDATA_SECTIONS} - ${RELOCATING+${DATA_END_SYMBOLS-_edata = .; PROVIDE (edata = .);}} + ${RELOCATING+${DATA_END_SYMBOLS-${USER_LABEL_PREFIX}_edata = .; PROVIDE (${USER_LABEL_PREFIX}edata = .);}} ${RELOCATING+__bss_start = .;} ${RELOCATING+${OTHER_BSS_SYMBOLS}} ${SBSS} @@ -447,12 +457,13 @@ cat <<EOF pad the .data section. */ ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);} } + ${OTHER_BSS_SECTIONS} ${RELOCATING+${OTHER_BSS_END_SYMBOLS}} ${RELOCATING+. = ALIGN(${ALIGNMENT});} ${LARGE_SECTIONS} ${RELOCATING+. = ALIGN(${ALIGNMENT});} ${RELOCATING+${OTHER_END_SYMBOLS}} - ${RELOCATING+${END_SYMBOLS-_end = .; PROVIDE (end = .);}} + ${RELOCATING+${END_SYMBOLS-${USER_LABEL_PREFIX}_end = .; PROVIDE (${USER_LABEL_PREFIX}end = .);}} ${RELOCATING+${DATA_SEGMENT_END}} /* Stabs debugging sections. */ @@ -482,7 +493,7 @@ cat <<EOF .debug_pubnames 0 : { *(.debug_pubnames) } /* DWARF 2 */ - .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } + .debug_info 0 : { *(.debug_info${RELOCATING+ .gnu.linkonce.wi.*}) } .debug_abbrev 0 : { *(.debug_abbrev) } .debug_line 0 : { *(.debug_line) } .debug_frame 0 : { *(.debug_frame) } @@ -496,10 +507,15 @@ cat <<EOF .debug_typenames 0 : { *(.debug_typenames) } .debug_varnames 0 : { *(.debug_varnames) } + /* DWARF 3 */ + .debug_pubtypes 0 : { *(.debug_pubtypes) } + .debug_ranges 0 : { *(.debug_ranges) } + ${TINY_DATA_SECTION} ${TINY_BSS_SECTION} ${STACK_ADDR+${STACK}} + ${ATTRS_SECTIONS} ${OTHER_SECTIONS} ${RELOCATING+${OTHER_SYMBOLS}} ${RELOCATING+${STACKNOTE}} |