# 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)
# DATA_PLT - .plt should be in data segment, not text segment.
# PLT_BEFORE_GOT - .plt just before .got when .plt is in data segement.
# BSS_PLT - .plt should be in bss segment
+# NO_REL_RELOCS - Don't include .rel.* sections in script
+# NO_RELA_RELOCS - Don't include .rela.* sections in script
+# NON_ALLOC_DYN - Place dynamic sections after data 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
# FINI_START, FINI_END - statements just before and just after
# combination of .fini sections.
# STACK_ADDR - start of a .stack section.
-# OTHER_END_SYMBOLS - symbols to place right at the end of the script.
+# OTHER_SYMBOLS - symbols to place right at the end of the script.
# ETEXT_NAME - name of a symbol for the end of the text section,
# normally etext.
# SEPARATE_GOTPLT - if set, .got.plt should be separate output section,
# 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.
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=""
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
fi
DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }"
RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }"
-DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro*) }"
-STACKNOTE="/DISCARD/ : { *(.note.GNU-stack) }"
+DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }"
+DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }"
if test -z "${NO_SMALL_DATA}"; then
SBSS=".sbss ${RELOCATING-0} :
{
SDATA_GOT=" "
fi
fi
-if test -n "${LARGE_SECTIONS}"; then
- LBSS="
+test -n "$SEPARATE_GOTPLT" && SEPARATE_GOTPLT=" "
+test "${LARGE_SECTIONS}" = "yes" && REL_LARGE="
+ .rel.ldata ${RELOCATING-0} : { *(.rel.ldata${RELOCATING+ .rel.ldata.* .rel.gnu.linkonce.l.*}) }
+ .rela.ldata ${RELOCATING-0} : { *(.rela.ldata${RELOCATING+ .rela.ldata.* .rela.gnu.linkonce.l.*}) }
+ .rel.lbss ${RELOCATING-0} : { *(.rel.lbss${RELOCATING+ .rel.lbss.* .rel.gnu.linkonce.lb.*}) }
+ .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" && OTHER_BSS_SECTIONS="
+ ${OTHER_BSS_SECTIONS}
.lbss ${RELOCATING-0} :
{
- *(.dynlbss)
- *(.lbss${RELOCATING+ .lbss.* .gnu.linkonce.lb.*})
- *(LARGE_COMMON)
+ *(.dynlbss)
+ *(.lbss${RELOCATING+ .lbss.* .gnu.linkonce.lb.*})
+ *(LARGE_COMMON)
}"
- LARGE_SECTIONS="
+test "${LARGE_SECTIONS}" = "yes" && LARGE_SECTIONS="
.lrodata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} :
{
- *(.lrodata${RELOCATING+ .lrodata.* .gnu.linkonce.lr.*})
+ *(.lrodata${RELOCATING+ .lrodata.* .gnu.linkonce.lr.*})
}
.ldata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} :
{
- *(.ldata${RELOCATING+ .ldata.* .gnu.linkonce.l.*})
- ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);}
+ *(.ldata${RELOCATING+ .ldata.* .gnu.linkonce.l.*})
+ ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);}
}"
- REL_LDATA=".rel.ldata ${RELOCATING-0} : { *(.rel.ldata${RELOCATING+ .rel.ldata.* .rel.gnu.linkonce.l.*}) }
- .rela.ldata ${RELOCATING-0} : { *(.rela.ldata${RELOCATING+ .rela.ldata.* .rela.gnu.linkonce.l.*}) }"
- REL_LBSS=".rel.lbss ${RELOCATING-0} : { *(.rel.lbss${RELOCATING+ .rel.lbss.* .rel.gnu.linkonce.lb.*}) }
- .rela.lbss ${RELOCATING-0} : { *(.rela.lbss${RELOCATING+ .rela.lbss.* .rela.gnu.linkonce.lb.*}) }"
- REL_LRODATA=".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.*}) }"
-fi
-test -n "$SEPARATE_GOTPLT" && SEPARATE_GOTPLT=" "
CTOR=".ctors ${CONSTRUCTING-0} :
{
${CONSTRUCTING+${CTOR_START}}
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
- from the crtend.o file until after the sorted ctors.
+ 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}}
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}}
*(.stack)
}"
+TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${TEXT_START_ADDR})"
+SHLIB_TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${SHLIB_TEXT_START_ADDR:-0})"
+
# if this is for an embedded system, don't add SIZEOF_HEADERS.
if [ -z "$EMBEDDED" ]; then
test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR} + SIZEOF_HEADERS"
OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
"${LITTLE_OUTPUT_FORMAT}")
OUTPUT_ARCH(${OUTPUT_ARCH})
-ENTRY(${ENTRY})
+${RELOCATING+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}}
${RELOCATING+${INPUT_FILES}}
${RELOCATING- /* For some reason, the Solaris linker makes bad executables
{
/* Read-only sections, merged into text segment: */
${CREATE_SHLIB-${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}}
+ ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR} + SIZEOF_HEADERS;}}
+ ${CREATE_PIE+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR} + SIZEOF_HEADERS;}}
${INITIAL_READONLY_SECTIONS}
+ .note.gnu.build-id : { *(.note.gnu.build-id) }
+EOF
+
+test -n "${RELOCATING+0}" || unset NON_ALLOC_DYN
+test -z "${NON_ALLOC_DYN}" || TEXT_DYNAMIC=
+cat > ldscripts/dyntmp.$$ <<EOF
${TEXT_DYNAMIC+${DYNAMIC}}
.hash ${RELOCATING-0} : { *(.hash) }
+ .gnu.hash ${RELOCATING-0} : { *(.gnu.hash) }
.dynsym ${RELOCATING-0} : { *(.dynsym) }
.dynstr ${RELOCATING-0} : { *(.dynstr) }
.gnu.version ${RELOCATING-0} : { *(.gnu.version) }
.gnu.version_d ${RELOCATING-0}: { *(.gnu.version_d) }
.gnu.version_r ${RELOCATING-0}: { *(.gnu.version_r) }
-
EOF
+
if [ "x$COMBRELOC" = x ]; then
- COMBRELOCCAT=cat
+ COMBRELOCCAT="cat >> ldscripts/dyntmp.$$"
else
COMBRELOCCAT="cat > $COMBRELOC"
fi
.rel.rodata ${RELOCATING-0} : { *(.rel.rodata${RELOCATING+ .rel.rodata.* .rel.gnu.linkonce.r.*}) }
.rela.rodata ${RELOCATING-0} : { *(.rela.rodata${RELOCATING+ .rela.rodata.* .rela.gnu.linkonce.r.*}) }
${OTHER_READONLY_RELOC_SECTIONS}
- .rel.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+*}) }
- .rela.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+*}) }
+ .rel.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+* .rel.gnu.linkonce.d.rel.ro.*}) }
+ .rela.data.rel.ro ${RELOCATING-0} : { *(.rela.data.rel.ro${RELOCATING+* .rela.gnu.linkonce.d.rel.ro.*}) }
.rel.data ${RELOCATING-0} : { *(.rel.data${RELOCATING+ .rel.data.* .rel.gnu.linkonce.d.*}) }
.rela.data ${RELOCATING-0} : { *(.rela.data${RELOCATING+ .rela.data.* .rela.gnu.linkonce.d.*}) }
.rel.tdata ${RELOCATING-0} : { *(.rel.tdata${RELOCATING+ .rel.tdata.* .rel.gnu.linkonce.td.*}) }
${REL_SBSS2}
.rel.bss ${RELOCATING-0} : { *(.rel.bss${RELOCATING+ .rel.bss.* .rel.gnu.linkonce.b.*}) }
.rela.bss ${RELOCATING-0} : { *(.rela.bss${RELOCATING+ .rela.bss.* .rela.gnu.linkonce.b.*}) }
- ${REL_LDATA}
- ${REL_LBSS}
- ${REL_LRODATA}
+ ${REL_LARGE}
EOF
+
if [ -n "$COMBRELOC" ]; then
-cat <<EOF
+cat >> ldscripts/dyntmp.$$ <<EOF
.rel.dyn ${RELOCATING-0} :
{
EOF
-sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC
-cat <<EOF
+sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$
+cat >> ldscripts/dyntmp.$$ <<EOF
+ }
+ .rel.ifunc.dyn ${RELOCATING-0} :
+ {
+ *(.rel.ifunc.*)
}
.rela.dyn ${RELOCATING-0} :
{
EOF
-sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC
-cat <<EOF
+sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$
+cat >> ldscripts/dyntmp.$$ <<EOF
+ }
+ .rela.ifunc.dyn ${RELOCATING-0} :
+ {
+ *(.rela.ifunc.*)
}
EOF
fi
-cat <<EOF
+
+cat >> ldscripts/dyntmp.$$ <<EOF
.rel.plt ${RELOCATING-0} : { *(.rel.plt) }
.rela.plt ${RELOCATING-0} : { *(.rela.plt) }
${OTHER_PLT_RELOC_SECTIONS}
+EOF
+if test -z "${NON_ALLOC_DYN}"; then
+ if test -z "${NO_REL_RELOCS}${NO_RELA_RELOCS}"; then
+ cat ldscripts/dyntmp.$$
+ else
+ if test -z "${NO_REL_RELOCS}"; then
+ sed -e '/^[ ]*\.rela\.[^}]*$/,/}/d' -e '/^[ ]*\.rela\./d' ldscripts/dyntmp.$$
+ fi
+ if test -z "${NO_RELA_RELOCS}"; then
+ sed -e '/^[ ]*\.rel\.[^}]*$/,/}/d' -e '/^[ ]*\.rel\./d' ldscripts/dyntmp.$$
+ fi
+ fi
+ rm -f ldscripts/dyntmp.$$
+fi
+
+cat <<EOF
.init ${RELOCATING-0} :
{
${RELOCATING+${INIT_START}}
} =${NOP-0}
${TEXT_PLT+${PLT}}
+ ${TINY_READONLY_SECTION}
.text ${RELOCATING-0} :
{
${RELOCATING+${TEXT_START_SYMBOLS}}
*(.text .stub${RELOCATING+ .text.* .gnu.linkonce.t.*})
- KEEP (*(.text.*personality*))
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
${RELOCATING+${OTHER_TEXT_SECTIONS}}
.preinit_array ${RELOCATING-0} :
{
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_start = .);}}
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_start = .);}}
KEEP (*(.preinit_array))
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_end = .);}}
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_end = .);}}
}
.init_array ${RELOCATING-0} :
{
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__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 (__init_array_end = .);}}
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_end = .);}}
}
.fini_array ${RELOCATING-0} :
{
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_start = .);}}
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_start = .);}}
KEEP (*(.fini_array))
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_end = .);}}
+ KEEP (*(SORT(.fini_array.*)))
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_end = .);}}
}
${SMALL_DATA_CTOR-${RELOCATING+${CTOR}}}
${SMALL_DATA_DTOR-${RELOCATING+${DTOR}}}
{
${RELOCATING+${DATA_START_SYMBOLS}}
*(.data${RELOCATING+ .data.* .gnu.linkonce.d.*})
- KEEP (*(.gnu.linkonce.d.*personality*))
${CONSTRUCTING+SORT(CONSTRUCTORS)}
}
.data1 ${RELOCATING-0} : { *(.data1) }
${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}
pad the .data section. */
${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);}
}
- ${LBSS}
${OTHER_BSS_SECTIONS}
+ ${RELOCATING+${OTHER_BSS_END_SYMBOLS}}
+ ${RELOCATING+. = ALIGN(${ALIGNMENT});}
${LARGE_SECTIONS}
${RELOCATING+. = ALIGN(${ALIGNMENT});}
${RELOCATING+${OTHER_END_SYMBOLS}}
- ${RELOCATING+_end = .;}
- ${RELOCATING+PROVIDE (end = .);}
+ ${RELOCATING+${END_SYMBOLS-${USER_LABEL_PREFIX}_end = .; PROVIDE (${USER_LABEL_PREFIX}end = .);}}
${RELOCATING+${DATA_SEGMENT_END}}
+EOF
+
+if test -n "${NON_ALLOC_DYN}"; then
+ if test -z "${NO_REL_RELOCS}${NO_RELA_RELOCS}"; then
+ cat ldscripts/dyntmp.$$
+ else
+ if test -z "${NO_REL_RELOCS}"; then
+ sed -e '/^[ ]*\.rela\.[^}]*$/,/}/d' -e '/^[ ]*\.rela\./d' ldscripts/dyntmp.$$
+ fi
+ if test -z "${NO_RELA_RELOCS}"; then
+ sed -e '/^[ ]*\.rel\.[^}]*$/,/}/d' -e '/^[ ]*\.rel\./d' ldscripts/dyntmp.$$
+ fi
+ fi
+ rm -f ldscripts/dyntmp.$$
+fi
+cat <<EOF
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.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) }
.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_END_SYMBOLS}}
- ${RELOCATING+${STACKNOTE}}
+ ${RELOCATING+${OTHER_SYMBOLS}}
+ ${RELOCATING+${DISCARDED}}
}
EOF