# OTHER_TEXT_SECTIONS - these get put in .text when relocating
# OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ...
# (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 ...
# OTHER_SECTIONS - at the end
# EXECUTABLE_SYMBOLS - symbols that must be defined for an
# combination of .fini sections.
# STACK_ADDR - start of a .stack section.
# OTHER_END_SYMBOLS - symbols to place right at the end of the script.
+# 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.
#
# When adding sections, do note that the names of some sections are used
# when specifying the start address of the next.
test "$LD_FLAG" = "N" && DATA_ADDR=.
test -n "$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
DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))"
+DATA_SEGMENT_RELRO_END=""
+DATA_SEGMENT_RELRO_GOTPLT_END=""
DATA_SEGMENT_END=""
if test -n "${COMMONPAGESIZE}"; then
DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})"
DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);"
+ if test -n "${SEPARATE_GOTPLT}"; then
+ DATA_SEGMENT_RELRO_GOTPLT_END=". = DATA_SEGMENT_RELRO_END (. + ${SEPARATE_GOTPLT});"
+ else
+ DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (.);"
+ fi
fi
INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
PLT=".plt ${RELOCATING-0} : { *(.plt) }"
-test -z "$GOT" && GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) }"
+if test -z "$GOT"; then
+ if test -z "$SEPARATE_GOTPLT"; then
+ GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) }"
+ else
+ GOT=".got ${RELOCATING-0} : { *(.got) }"
+ GOTPLT=".got.plt ${RELOCATING-0} : { ${RELOCATING+${DATA_SEGMENT_RELRO_GOTPLT_END}} *(.got.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) }"
if test -z "${NO_SMALL_DATA}"; then
SBSS=".sbss ${RELOCATING-0} :
.rela.sdata2 ${RELOCATING-0} : { *(.rela.sdata2${RELOCATING+ .rela.sdata2.* .rela.gnu.linkonce.s2.*}) }"
REL_SBSS2=".rel.sbss2 ${RELOCATING-0} : { *(.rel.sbss2${RELOCATING+ .rel.sbss2.* .rel.gnu.linkonce.sb2.*}) }
.rela.sbss2 ${RELOCATING-0} : { *(.rela.sbss2${RELOCATING+ .rela.sbss2.* .rela.gnu.linkonce.sb2.*}) }"
+else
+ NO_SMALL_DATA=" "
fi
+test -n "$SEPARATE_GOTPLT" && SEPARATE_GOTPLT=" "
CTOR=".ctors ${CONSTRUCTING-0} :
{
${CONSTRUCTING+${CTOR_START}}
.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 ${RELOCATING-0} : { *(.rel.data${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.*}) }
${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
${CREATE_PIE+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
+ /* Exception handling */
+ .eh_frame ${RELOCATING-0} : { KEEP (*(.eh_frame)) }
+ .gcc_except_table ${RELOCATING-0} : { *(.gcc_except_table) }
+
+ /* Thread Local Storage sections */
+ .tdata ${RELOCATING-0} : { *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) }
+ .tbss ${RELOCATING-0} : { *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} }
+
/* Ensure the __preinit_array_start label is properly aligned. We
could instead move the label definition inside the section, but
the linker would then create the section even if it turns out to
.fini_array ${RELOCATING-0} : { *(.fini_array) }
${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_end = .);}}
+ ${RELOCATING+${CTOR}}
+ ${RELOCATING+${DTOR}}
+ .jcr ${RELOCATING-0} : { KEEP (*(.jcr)) }
+
+ ${RELOCATING+${DATARELRO}}
+ ${OTHER_RELRO_SECTIONS}
+ ${TEXT_DYNAMIC-${DYNAMIC}}
+ ${NO_SMALL_DATA+${RELRO_NOW+${GOT}}}
+ ${NO_SMALL_DATA+${RELRO_NOW-${SEPARATE_GOTPLT+${GOT}}}}
+ ${NO_SMALL_DATA+${RELRO_NOW-${SEPARATE_GOTPLT+${GOTPLT}}}}
+ ${RELOCATING+${DATA_SEGMENT_RELRO_END}}
+ ${NO_SMALL_DATA+${RELRO_NOW-${SEPARATE_GOTPLT-${GOT}}}}
+
+ ${DATA_PLT+${PLT}}
+
.data ${RELOCATING-0} :
{
${RELOCATING+${DATA_START_SYMBOLS}}
${CONSTRUCTING+SORT(CONSTRUCTORS)}
}
.data1 ${RELOCATING-0} : { *(.data1) }
- .tdata ${RELOCATING-0} : { *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) }
- .tbss ${RELOCATING-0} : { *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} }
- .eh_frame ${RELOCATING-0} : { KEEP (*(.eh_frame)) }
- .gcc_except_table ${RELOCATING-0} : { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) }
${WRITABLE_RODATA+${RODATA}}
${OTHER_READWRITE_SECTIONS}
- ${TEXT_DYNAMIC-${DYNAMIC}}
- ${RELOCATING+${CTOR}}
- ${RELOCATING+${DTOR}}
- .jcr ${RELOCATING-0} : { KEEP (*(.jcr)) }
- ${DATA_PLT+${PLT}}
${RELOCATING+${OTHER_GOT_SYMBOLS}}
- ${GOT}
+ ${NO_SMALL_DATA-${GOT}}
${OTHER_GOT_SECTIONS}
${CREATE_SHLIB+${SDATA2}}
${CREATE_SHLIB+${SBSS2}}
projects / deliverable / binutils-gdb.git / blobdiff