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-rw-r--r--ld/scripttempl/elfxtensa.sc64
1 files changed, 47 insertions, 17 deletions
diff --git a/ld/scripttempl/elfxtensa.sc b/ld/scripttempl/elfxtensa.sc
index f99d2ce..632cf6d 100644
--- a/ld/scripttempl/elfxtensa.sc
+++ b/ld/scripttempl/elfxtensa.sc
@@ -10,6 +10,8 @@
# 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
@@ -67,17 +69,24 @@ test -z "$ENTRY" && ENTRY=_start
test -z "${ELFSIZE}" && ELFSIZE=32
test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8"
test "$LD_FLAG" = "N" && DATA_ADDR=.
-test -n "$CREATE_SHLIB" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE=""
-test -z "$CREATE_SHLIB" && test -n "$DATA_ADDR" && COMMONPAGESIZE=""
+test -n "$CREATE_SHLIB$CREATE_PIE" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE=""
+test -z "$CREATE_SHLIB$CREATE_PIE" && test -n "$DATA_ADDR" && COMMONPAGESIZE=""
DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))"
+DATA_SEGMENT_RELRO_END=""
DATA_SEGMENT_END=""
if test -n "${COMMONPAGESIZE}"; then
DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})"
DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);"
+ DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (.);"
fi
INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
+if test -z "$GOT"; then
+ GOT=".got ${RELOCATING-0} : { *(.got) }"
+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) }"
INIT_LIT=".init.literal 0 : { *(.init.literal) }"
INIT=".init 0 : { *(.init) }"
FINI_LIT=".fini.literal 0 : { *(.fini.literal) }"
@@ -111,6 +120,8 @@ if test -z "${NO_SMALL_DATA}"; then
.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
CTOR=".ctors ${CONSTRUCTING-0} :
{
@@ -175,8 +186,9 @@ ${RELOCATING- /* For some reason, the Solaris linker makes bad executables
SECTIONS
{
/* Read-only sections, merged into text segment: */
- ${CREATE_SHLIB-${RELOCATING+. = ${TEXT_BASE_ADDRESS};}}
+ ${CREATE_SHLIB-${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}}
@@ -203,6 +215,8 @@ eval $COMBRELOCCAT <<EOF
.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.*}) }
@@ -257,7 +271,8 @@ cat <<EOF
${RELOCATING+${INIT_END}}
${RELOCATING+${TEXT_START_SYMBOLS}}
- *(.literal .text .stub${RELOCATING+ .text.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*})
+ *(.literal .text .stub${RELOCATING+ .text.* .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*})
+ KEEP (*(.text.*personality*))
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
${RELOCATING+${OTHER_TEXT_SECTIONS}}
@@ -280,11 +295,22 @@ cat <<EOF
${CREATE_SHLIB-${SBSS2}}
${OTHER_READONLY_SECTIONS}
.eh_frame_hdr : { *(.eh_frame_hdr) }
+ .eh_frame ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.eh_frame)) }
+ .gcc_except_table ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) }
/* Adjust the address for the data segment. We want to adjust up to
the same address within the page on the next page up. */
- ${CREATE_SHLIB-${RELOCATING+. = ${DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
+ ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+. = ${DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}}
${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
+ ${CREATE_PIE+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
+
+ /* Exception handling */
+ .eh_frame ${RELOCATING-0} : ONLY_IF_RW { KEEP (*(.eh_frame)) }
+ .gcc_except_table ${RELOCATING-0} : ONLY_IF_RW { KEEP (*(.gcc_except_table)) *(.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
@@ -292,36 +318,39 @@ cat <<EOF
be empty, which isn't pretty. */
${RELOCATING+. = ALIGN(${ALIGNMENT});}
${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_start = .);}}
- .preinit_array ${RELOCATING-0} : { *(.preinit_array) }
+ .preinit_array ${RELOCATING-0} : { KEEP (*(.preinit_array)) }
${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_end = .);}}
${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_start = .);}}
- .init_array ${RELOCATING-0} : { *(.init_array) }
+ .init_array ${RELOCATING-0} : { KEEP (*(.init_array)) }
${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_end = .);}}
${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_start = .);}}
- .fini_array ${RELOCATING-0} : { *(.fini_array) }
+ .fini_array ${RELOCATING-0} : { KEEP (*(.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}}
+ ${NO_SMALL_DATA+${GOT}}
+ ${RELOCATING+${DATA_SEGMENT_RELRO_END}}
+
.data ${RELOCATING-0} :
{
${RELOCATING+${DATA_START_SYMBOLS}}
*(.data${RELOCATING+ .data.* .gnu.linkonce.d.*})
+ KEEP (*(.gnu.linkonce.d.*personality*))
${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} : { *(.gcc_except_table) }
${WRITABLE_RODATA+${RODATA}}
${OTHER_READWRITE_SECTIONS}
- ${TEXT_DYNAMIC-${DYNAMIC}}
- ${RELOCATING+${CTOR}}
- ${RELOCATING+${DTOR}}
- .jcr ${RELOCATING-0} : { KEEP (*(.jcr)) }
${RELOCATING+${OTHER_GOT_SYMBOLS}}
- .got ${RELOCATING-0} : { *(.got) }
+ ${NO_SMALL_DATA-${GOT}}
${OTHER_GOT_SECTIONS}
${CREATE_SHLIB+${SDATA2}}
${CREATE_SHLIB+${SBSS2}}
@@ -393,5 +422,6 @@ cat <<EOF
${STACK_ADDR+${STACK}}
${OTHER_SECTIONS}
${RELOCATING+${OTHER_END_SYMBOLS}}
+ ${RELOCATING+${STACKNOTE}}
}
EOF