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[PATCH ARC 2/3]: Emulation and default script template changes.
- From: Cupertino Miranda <Cupertino dot Miranda at synopsys dot com>
- To: "binutils at sourceware dot org" <binutils at sourceware dot org>
- Cc: Claudiu Zissulescu <Claudiu dot Zissulescu at synopsys dot com>, Francois Bedard <Francois dot Bedard at synopsys dot com>
- Date: Wed, 11 May 2016 15:23:27 +0000
- Subject: [PATCH ARC 2/3]: Emulation and default script template changes.
- Authentication-results: sourceware.org; auth=none
Hi all,
This patch includes the changes to emulations and linker scripts. It
updates our previous old binutils based emulations and linker scripts to
a more similar to the current default Linux script templates.
arclinux.sc is mostly a copy from elf.sc. Unfortunately I could not make
it work with elf.sc, as our compiler expects symbols .tdata and .tbss to
be defined.
My perception was that in order to use elf.sc I would need to change it
by adding a new environment variable and set it in our emulation.
Please let me know if I am mistaken. In that case I will happily use
elf.sc instead. ;-)
Best regards,
Cupertino
ld/ChangeLog:
Cupertino Miranda <cmiranda@synopsys.com>
emulparams/arcelf.sh: Changed.
emulparams/arclinux.sh: Likewise.
scripttempl/arclinux.sc: Moved to a more
standard implementation similar to elf.sc.
diff --git a/ld/emulparams/arcelf.sh b/ld/emulparams/arcelf.sh
index a0b9c8f..7777f9b 100644
--- a/ld/emulparams/arcelf.sh
+++ b/ld/emulparams/arcelf.sh
@@ -18,3 +18,5 @@ ENTRY=__start
SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;'
OTHER_SECTIONS="/DISCARD/ : { *(.__arc_profile_*) }"
EMBEDDED=yes
+
+GENERATE_SHLIB_SCRIPT=yes
diff --git a/ld/emulparams/arclinux.sh b/ld/emulparams/arclinux.sh
index 9d17bfe..63e56ec 100644
--- a/ld/emulparams/arclinux.sh
+++ b/ld/emulparams/arclinux.sh
@@ -1,4 +1,5 @@
. ${srcdir}/emulparams/arc-endianness.sh
+ARCH=arc
SCRIPT_NAME=arclinux
if [ "x${ARC_ENDIAN}" = "xbig" ]; then
OUTPUT_FORMAT="elf32-bigarc"
@@ -8,15 +9,17 @@ fi
LITTLE_OUTPUT_FORMAT="elf32-littlearc"
BIG_OUTPUT_FORMAT="elf32-bigarc"
TEXT_START_ADDR=0x10000
-MAXPAGESIZE=0x2000
-COMMONPAGESIZE=0x2000
-NONPAGED_TEXT_START_ADDR=0x10000
-ARCH=arc
-MACHINE=
+MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
+COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
ENTRY=__start
-TEMPLATE_NAME=arclinux
TEMPLATE_NAME=elf32
EXTRA_EM_FILE=arclinux
GENERATE_SHLIB_SCRIPT=yes
-SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;'
+GENERATE_PIE_SCRIPT=yes
+
OTHER_SECTIONS="/DISCARD/ : { *(.__arc_profile_*) }"
+
+# To support RELRO security feature.
+NO_SMALL_DATA=yes
+SEPARATE_GOTPLT=4
+GENERATE_COMBRELOC_SCRIPT=yes
diff --git a/ld/scripttempl/arclinux.sc b/ld/scripttempl/arclinux.sc
index bef5336..68bf8d4 100644
--- a/ld/scripttempl/arclinux.sc
+++ b/ld/scripttempl/arclinux.sc
@@ -1,32 +1,54 @@
+# Copyright (C) 2014-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
#
# Unusual variables checked by this code:
-# NOP - four byte opcode for no-op (defaults to 0)
+# NOP - four byte opcode for no-op (defaults to none)
# NO_SMALL_DATA - no .sbss/.sbss2/.sdata/.sdata2 sections if not
# empty.
+# SMALL_DATA_CTOR - .ctors contains small data.
+# SMALL_DATA_DTOR - .dtors contains small data.
# 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
+# INITIAL_READWRITE_SECTIONS - at start of data segment (after relro)
# 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_RELRO_SECTIONS_2 - as above, but after .dynamic in text segment
# 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)
+# TEXT_START_ADDR - the first byte of the text segment, after any
+# headers.
+# TEXT_BASE_ADDRESS - the first byte of the text segment.
# TEXT_START_SYMBOLS - symbols that appear at the start of the
# .text section.
# DATA_START_SYMBOLS - symbols that appear at the start of the
# .data section.
+# DATA_END_SYMBOLS - symbols that appear at the end of the
+# writeable data sections.
# OTHER_GOT_SYMBOLS - symbols defined just before .got.
# OTHER_GOT_SECTIONS - sections just after .got.
# OTHER_SDATA_SECTIONS - sections just after .sdata.
# OTHER_BSS_SYMBOLS - symbols that appear at the start of the
# .bss section besides __bss_start.
+# PLT_NEXT_DATA - .plt next to data segment when .plt is in text segment.
# 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.
+# 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.
# INPUT_FILES - INPUT command of files to always include
@@ -36,7 +58,19 @@
# 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_CODE - if set, .text and similar sections containing
+# actual machine instructions must be in wholly disjoint
+# pages from any other data, including headers
+# 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.
+# RODATA_NAME, SDATA_NAME, SBSS_NAME, BSS_NAME - base parts of names
+# for standard sections, without initial "." or suffixes.
#
# When adding sections, do note that the names of some sections are used
# when specifying the start address of the next.
@@ -62,63 +96,178 @@
# .debug_info .gnu.linkonce.wi.foo
# .tdata .gnu.linkonce.td.foo
# .tbss .gnu.linkonce.tb.foo
+# .lrodata .gnu.linkonce.lr.foo
+# .ldata .gnu.linkonce.l.foo
+# .lbss .gnu.linkonce.lb.foo
#
# Each of these can also have corresponding .rel.* and .rela.* sections.
-test -z "$ENTRY" && ENTRY=start
+if test -n "$NOP"; then
+ FILL="=$NOP"
+else
+ FILL=
+fi
+
+test -z "$RODATA_NAME" && RODATA_NAME=rodata
+test -z "$SDATA_NAME" && SDATA_NAME=sdata
+test -z "$SBSS_NAME" && SBSS_NAME=sbss
+test -z "$BSS_NAME" && BSS_NAME=bss
+test -z "$ENTRY" && ENTRY=${USER_LABEL_PREFIX}_start
test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT}
test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
-# If we request a big endian toolchain, give a big endian linker
-test "${ARC_ENDIAN}" == "big" && OUTPUT_FORMAT=${BIG_OUTPUT_FORMAT}
if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi
test -z "${ELFSIZE}" && ELFSIZE=32
test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8"
test "$LD_FLAG" = "N" && DATA_ADDR=.
+test -z "${ETEXT_NAME}" && ETEXT_NAME=${USER_LABEL_PREFIX}etext
test -n "$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}) + (. & (${MAXPAGESIZE} - 1))"
+DATA_SEGMENT_RELRO_END=""
DATA_SEGMENT_END=""
if test -n "${COMMONPAGESIZE}"; then
- DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})"
+ if test "${SEGMENT_SIZE}" != "${MAXPAGESIZE}"; then
+ DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})"
+ else
+ DATA_SEGMENT_ALIGN="DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})"
+ fi
DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);"
+ DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (${SEPARATE_GOTPLT-0}, .);"
+fi
+if test -z "${INITIAL_READONLY_SECTIONS}${CREATE_SHLIB}"; then
+ INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }"
fi
-INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
-PLT=".plt ${RELOCATING-0} : { *(.plt) }"
-test -z "$GOT" && GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) }"
+if test -z "$PLT"; then
+ IPLT=".iplt ${RELOCATING-0} : { *(.iplt) }"
+ PLT=".plt ${RELOCATING-0} : { *(.plt)${IREL_IN_PLT+ *(.iplt)} }
+ ${IREL_IN_PLT-$IPLT}"
+fi
+test -n "${DATA_PLT-${BSS_PLT-text}}" && TEXT_PLT=
+if test -z "$GOT"; then
+ if test -z "$SEPARATE_GOTPLT"; then
+ GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) }"
+ else
+ GOT=".got ${RELOCATING-0} : { *(.got) *(.igot) }"
+ GOTPLT=".got.plt ${RELOCATING-0} : { *(.got.plt) *(.igot.plt) }"
+ fi
+fi
+REL_IFUNC=".rel.ifunc ${RELOCATING-0} : { *(.rel.ifunc) }"
+RELA_IFUNC=".rela.ifunc ${RELOCATING-0} : { *(.rela.ifunc) }"
+REL_IPLT=".rel.iplt ${RELOCATING-0} :
+ {
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_start = .);}}
+ *(.rel.iplt)
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_end = .);}}
+ }"
+RELA_IPLT=".rela.iplt ${RELOCATING-0} :
+ {
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_start = .);}}
+ *(.rela.iplt)
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_end = .);}}
+ }"
DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }"
-RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }"
-STACKNOTE="/DISCARD/ : { *(.note.GNU-stack) }"
+RODATA=".${RODATA_NAME} ${RELOCATING-0} : { *(.${RODATA_NAME}${RELOCATING+ .${RODATA_NAME}.* .gnu.linkonce.r.*}) }"
+DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }"
+DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }"
if test -z "${NO_SMALL_DATA}"; then
- SBSS=".sbss ${RELOCATING-0} :
+ SBSS=".${SBSS_NAME} ${RELOCATING-0} :
{
- ${RELOCATING+PROVIDE (__sbss_start = .);}
- ${RELOCATING+PROVIDE (___sbss_start = .);}
- *(.dynsbss)
- *(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*})
+ ${RELOCATING+${SBSS_START_SYMBOLS}}
+ ${CREATE_SHLIB+*(.${SBSS_NAME}2 .${SBSS_NAME}2.* .gnu.linkonce.sb2.*)}
+ *(.dyn${SBSS_NAME})
+ *(.${SBSS_NAME}${RELOCATING+ .${SBSS_NAME}.* .gnu.linkonce.sb.*})
*(.scommon)
- ${RELOCATING+PROVIDE (__sbss_end = .);}
- ${RELOCATING+PROVIDE (___sbss_end = .);}
+ ${RELOCATING+${SBSS_END_SYMBOLS}}
}"
- SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .gnu.linkonce.sb2.*}) }"
+ SBSS2=".${SBSS_NAME}2 ${RELOCATING-0} : { *(.${SBSS_NAME}2${RELOCATING+ .${SBSS_NAME}2.* .gnu.linkonce.sb2.*}) }"
SDATA="/* 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_NAME} ${RELOCATING-0} :
{
${RELOCATING+${SDATA_START_SYMBOLS}}
- *(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*})
+ ${CREATE_SHLIB+*(.${SDATA_NAME}2 .${SDATA_NAME}2.* .gnu.linkonce.s2.*)}
+ *(.${SDATA_NAME}${RELOCATING+ .${SDATA_NAME}.* .gnu.linkonce.s.*})
+ }"
+ SDATA2=".${SDATA_NAME}2 ${RELOCATING-0} :
+ {
+ ${RELOCATING+${SDATA2_START_SYMBOLS}}
+ *(.${SDATA_NAME}2${RELOCATING+ .${SDATA_NAME}2.* .gnu.linkonce.s2.*})
}"
- SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*}) }"
- REL_SDATA=".rel.sdata ${RELOCATING-0} : { *(.rel.sdata${RELOCATING+ .rel.sdata.* .rel.gnu.linkonce.s.*}) }
- .rela.sdata ${RELOCATING-0} : { *(.rela.sdata${RELOCATING+ .rela.sdata.* .rela.gnu.linkonce.s.*}) }"
- REL_SBSS=".rel.sbss ${RELOCATING-0} : { *(.rel.sbss${RELOCATING+ .rel.sbss.* .rel.gnu.linkonce.sb.*}) }
- .rela.sbss ${RELOCATING-0} : { *(.rela.sbss${RELOCATING+ .rela.sbss.* .rela.gnu.linkonce.sb.*}) }"
- REL_SDATA2=".rel.sdata2 ${RELOCATING-0} : { *(.rel.sdata2${RELOCATING+ .rel.sdata2.* .rel.gnu.linkonce.s2.*}) }
- .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.*}) }"
+ REL_SDATA=".rel.${SDATA_NAME} ${RELOCATING-0} : { *(.rel.${SDATA_NAME}${RELOCATING+ .rel.${SDATA_NAME}.* .rel.gnu.linkonce.s.*}) }
+ .rela.${SDATA_NAME} ${RELOCATING-0} : { *(.rela.${SDATA_NAME}${RELOCATING+ .rela.${SDATA_NAME}.* .rela.gnu.linkonce.s.*}) }"
+ REL_SBSS=".rel.${SBSS_NAME} ${RELOCATING-0} : { *(.rel.${SBSS_NAME}${RELOCATING+ .rel.${SBSS_NAME}.* .rel.gnu.linkonce.sb.*}) }
+ .rela.${SBSS_NAME} ${RELOCATING-0} : { *(.rela.${SBSS_NAME}${RELOCATING+ .rela.${SBSS_NAME}.* .rela.gnu.linkonce.sb.*}) }"
+ REL_SDATA2=".rel.${SDATA_NAME}2 ${RELOCATING-0} : { *(.rel.${SDATA_NAME}2${RELOCATING+ .rel.${SDATA_NAME}2.* .rel.gnu.linkonce.s2.*}) }
+ .rela.${SDATA_NAME}2 ${RELOCATING-0} : { *(.rela.${SDATA_NAME}2${RELOCATING+ .rela.${SDATA_NAME}2.* .rela.gnu.linkonce.s2.*}) }"
+ REL_SBSS2=".rel.${SBSS_NAME}2 ${RELOCATING-0} : { *(.rel.${SBSS_NAME}2${RELOCATING+ .rel.${SBSS_NAME}2.* .rel.gnu.linkonce.sb2.*}) }
+ .rela.${SBSS_NAME}2 ${RELOCATING-0} : { *(.rela.${SBSS_NAME}2${RELOCATING+ .rela.${SBSS_NAME}2.* .rela.gnu.linkonce.sb2.*}) }"
+else
+ NO_SMALL_DATA=" "
+fi
+if test -z "${SDATA_GOT}${DATA_GOT}"; then
+ if test -n "${NO_SMALL_DATA}"; then
+ DATA_GOT=" "
+ fi
+fi
+if test -z "${SDATA_GOT}${DATA_GOT}"; then
+ if test -z "${NO_SMALL_DATA}"; then
+ SDATA_GOT=" "
+ fi
fi
-CTOR=".ctors ${CONSTRUCTING-0} :
+test -n "$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" && LARGE_BSS="
+ .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.*})
+ }
+ .ldata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} :
+ {
+ *(.ldata${RELOCATING+ .ldata.* .gnu.linkonce.l.*})
+ ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);}
+ }"
+if test "${ENABLE_INITFINI_ARRAY}" = "yes"; then
+ SORT_INIT_ARRAY="KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))"
+ SORT_FINI_ARRAY="KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))"
+ CTORS_IN_INIT_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors"
+ DTORS_IN_FINI_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors"
+else
+ SORT_INIT_ARRAY="KEEP (*(SORT(.init_array.*)))"
+ SORT_FINI_ARRAY="KEEP (*(SORT(.fini_array.*)))"
+ CTORS_IN_INIT_ARRAY=
+ DTORS_IN_FINI_ARRAY=
+fi
+INIT_ARRAY=".init_array ${RELOCATING-0} :
+ {
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_start = .);}}
+ ${SORT_INIT_ARRAY}
+ KEEP (*(.init_array ${CTORS_IN_INIT_ARRAY}))
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_end = .);}}
+ }"
+FINI_ARRAY=".fini_array ${RELOCATING-0} :
+ {
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_start = .);}}
+ ${SORT_FINI_ARRAY}
+ KEEP (*(.fini_array ${DTORS_IN_FINI_ARRAY}))
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_end = .);}}
+ }"
+CTOR=".ctors ${CONSTRUCTING-0} :
{
${CONSTRUCTING+${CTOR_START}}
/* gcc uses crtbegin.o to find the start of
@@ -131,14 +280,15 @@ 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
- 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}}
@@ -146,34 +296,48 @@ 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}}
}"
STACK=" .stack ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} :
{
- ${RELOCATING+_stack = .;}
+ ${RELOCATING+${USER_LABEL_PREFIX}_stack = .;}
*(.stack)
}"
-# if this is for an embedded system, don't add SIZEOF_HEADERS.
+TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${TEXT_START_ADDR})"
+SHLIB_TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${SHLIB_TEXT_START_ADDR:-0})"
+
+if [ -z "$SEPARATE_CODE" ]; then
+ SIZEOF_HEADERS_CODE=" + SIZEOF_HEADERS"
+else
+ SIZEOF_HEADERS_CODE=
+fi
+
+# If this is for an embedded system, don't add SIZEOF_HEADERS.
if [ -z "$EMBEDDED" ]; then
- test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR} + SIZEOF_HEADERS"
+ test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}${SIZEOF_HEADERS_CODE}"
else
test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}"
fi
cat <<EOF
+/* Copyright (C) 2014-2016 Free Software Foundation, Inc.
+
+ Copying and distribution of this script, with or without modification,
+ are permitted in any medium without royalty provided the copyright
+ notice and this notice are preserved. */
+
OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
"${LITTLE_OUTPUT_FORMAT}")
OUTPUT_ARCH(${OUTPUT_ARCH})
${RELOCATING+ENTRY(${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
@@ -185,36 +349,54 @@ SECTIONS
{
/* 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_CODE};}}
+ ${CREATE_PIE+${RELOCATING+PROVIDE (__executable_start = ${SHLIB_TEXT_START_ADDR}); . = ${SHLIB_TEXT_START_ADDR}${SIZEOF_HEADERS_CODE};}}
+EOF
+
+emit_early_ro()
+{
+ cat <<EOF
${INITIAL_READONLY_SECTIONS}
+ .note.gnu.build-id : { *(.note.gnu.build-id) }
+EOF
+}
+
+test -n "${SEPARATE_CODE}" || emit_early_ro
+
+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
eval $COMBRELOCCAT <<EOF
+ ${INITIAL_RELOC_SECTIONS}
.rel.init ${RELOCATING-0} : { *(.rel.init) }
.rela.init ${RELOCATING-0} : { *(.rela.init) }
.rel.text ${RELOCATING-0} : { *(.rel.text${RELOCATING+ .rel.text.* .rel.gnu.linkonce.t.*}) }
.rela.text ${RELOCATING-0} : { *(.rela.text${RELOCATING+ .rela.text.* .rela.gnu.linkonce.t.*}) }
.rel.fini ${RELOCATING-0} : { *(.rel.fini) }
.rela.fini ${RELOCATING-0} : { *(.rela.fini) }
- .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.*}) }
+ .rel.${RODATA_NAME} ${RELOCATING-0} : { *(.rel.${RODATA_NAME}${RELOCATING+ .rel.${RODATA_NAME}.* .rel.gnu.linkonce.r.*}) }
+ .rela.${RODATA_NAME} ${RELOCATING-0} : { *(.rela.${RODATA_NAME}${RELOCATING+ .rela.${RODATA_NAME}.* .rela.gnu.linkonce.r.*}) }
${OTHER_READONLY_RELOC_SECTIONS}
+ .rel.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+ .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*}) }
+ .rela.data.rel.ro ${RELOCATING-0} : { *(.rela.data.rel.ro${RELOCATING+ .rela.data.rel.ro.* .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.*}) }
+ ${OTHER_READWRITE_RELOC_SECTIONS}
.rel.tdata ${RELOCATING-0} : { *(.rel.tdata${RELOCATING+ .rel.tdata.* .rel.gnu.linkonce.td.*}) }
.rela.tdata ${RELOCATING-0} : { *(.rela.tdata${RELOCATING+ .rela.tdata.* .rela.gnu.linkonce.td.*}) }
.rel.tbss ${RELOCATING-0} : { *(.rel.tbss${RELOCATING+ .rel.tbss.* .rel.gnu.linkonce.tb.*}) }
@@ -230,65 +412,141 @@ eval $COMBRELOCCAT <<EOF
${REL_SBSS}
${REL_SDATA2}
${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.${BSS_NAME} ${RELOCATING-0} : { *(.rel.${BSS_NAME}${RELOCATING+ .rel.${BSS_NAME}.* .rel.gnu.linkonce.b.*}) }
+ .rela.${BSS_NAME} ${RELOCATING-0} : { *(.rela.${BSS_NAME}${RELOCATING+ .rela.${BSS_NAME}.* .rela.gnu.linkonce.b.*}) }
+ ${REL_LARGE}
+ ${IREL_IN_PLT+$REL_IFUNC}
+ ${IREL_IN_PLT+$RELA_IFUNC}
+ ${IREL_IN_PLT-$REL_IPLT}
+ ${IREL_IN_PLT-$RELA_IPLT}
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;/__rela_iplt_/d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$
+cat >> ldscripts/dyntmp.$$ <<EOF
}
.rela.dyn ${RELOCATING-0} :
{
EOF
-sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC
-cat <<EOF
+sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;/__rel_iplt_/d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$
+cat >> ldscripts/dyntmp.$$ <<EOF
}
EOF
fi
-cat <<EOF
- .rel.plt ${RELOCATING-0} : { *(.rel.plt) }
- .rela.plt ${RELOCATING-0} : { *(.rela.plt) }
+
+cat >> ldscripts/dyntmp.$$ <<EOF
+ .rel.plt ${RELOCATING-0} :
+ {
+ *(.rel.plt)
+ ${IREL_IN_PLT+${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_start = .);}}}
+ ${IREL_IN_PLT+${RELOCATING+*(.rel.iplt)}}
+ ${IREL_IN_PLT+${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_end = .);}}}
+ }
+ .rela.plt ${RELOCATING-0} :
+ {
+ *(.rela.plt)
+ ${IREL_IN_PLT+${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_start = .);}}}
+ ${IREL_IN_PLT+${RELOCATING+*(.rela.iplt)}}
+ ${IREL_IN_PLT+${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_end = .);}}}
+ }
${OTHER_PLT_RELOC_SECTIONS}
+EOF
+
+emit_dyn()
+{
+ if test -z "${NO_REL_RELOCS}${NO_RELA_RELOCS}"; then
+ cat ldscripts/dyntmp.$$
+ else
+ if test -z "${NO_REL_RELOCS}"; then
+ sed -e '/^[ ]*\.rela\.[^}]*$/,/}/d;/^[ ]*\.rela\./d;/__rela_iplt_/d' ldscripts/dyntmp.$$
+ fi
+ if test -z "${NO_RELA_RELOCS}"; then
+ sed -e '/^[ ]*\.rel\.[^}]*$/,/}/d;/^[ ]*\.rel\./d;/__rel_iplt_/d' ldscripts/dyntmp.$$
+ fi
+ fi
+ rm -f ldscripts/dyntmp.$$
+}
- .init ${RELOCATING-0} :
- {
+test -n "${NON_ALLOC_DYN}${SEPARATE_CODE}" || emit_dyn
+
+cat <<EOF
+ .init ${RELOCATING-0}${RELOCATING+${INIT_ADDR}} :
+ {
${RELOCATING+${INIT_START}}
- KEEP (*(.init))
+ KEEP (*(SORT_NONE(.init)))
${RELOCATING+${INIT_END}}
- } =${NOP-0}
+ } ${FILL}
- ${DATA_PLT-${BSS_PLT-${PLT}}}
+ ${TEXT_PLT+${PLT_NEXT_DATA-${PLT}}}
+ ${TINY_READONLY_SECTION}
.text ${RELOCATING-0} :
{
${RELOCATING+${TEXT_START_SYMBOLS}}
+ ${RELOCATING+*(.text.unlikely .text.*_unlikely .text.unlikely.*)}
+ ${RELOCATING+*(.text.exit .text.exit.*)}
+ ${RELOCATING+*(.text.startup .text.startup.*)}
+ ${RELOCATING+*(.text.hot .text.hot.*)}
*(.text .stub${RELOCATING+ .text.* .gnu.linkonce.t.*})
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
${RELOCATING+${OTHER_TEXT_SECTIONS}}
- } =${NOP-0}
- .text.init ${RELOCATING-0} :
- {
- *(.text.init)
- } =${NOP-0}
- .fini ${RELOCATING-0} :
+ } ${FILL}
+ .fini ${RELOCATING-0}${RELOCATING+${FINI_ADDR}} :
{
${RELOCATING+${FINI_START}}
- KEEP (*(.fini))
+ KEEP (*(SORT_NONE(.fini)))
${RELOCATING+${FINI_END}}
- } =${NOP-0}
- ${RELOCATING+PROVIDE (__etext = .);}
- ${RELOCATING+PROVIDE (_etext = .);}
- ${RELOCATING+PROVIDE (etext = .);}
+ } ${FILL}
+ ${RELOCATING+PROVIDE (__${ETEXT_NAME} = .);}
+ ${RELOCATING+PROVIDE (_${ETEXT_NAME} = .);}
+ ${RELOCATING+PROVIDE (${ETEXT_NAME} = .);}
+EOF
+
+if test -n "${SEPARATE_CODE}"; then
+ if test -n "${RODATA_ADDR}"; then
+ RODATA_ADDR="\
+SEGMENT_START(\"rodata-segment\", ${RODATA_ADDR}) + SIZEOF_HEADERS"
+ else
+ RODATA_ADDR="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))"
+ RODATA_ADDR="SEGMENT_START(\"rodata-segment\", ${RODATA_ADDR})"
+ fi
+ if test -n "${SHLIB_RODATA_ADDR}"; then
+ SHLIB_RODATA_ADDR="\
+SEGMENT_START(\"rodata-segment\", ${SHLIB_RODATA_ADDR}) + SIZEOF_HEADERS"
+ else
+ SHLIB_RODATA_ADDR="SEGMENT_START(\"rodata-segment\", ${SHLIB_RODATA_ADDR})"
+ SHLIB_RODATA_ADDR="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))"
+ fi
+ cat <<EOF
+ /* Adjust the address for the rodata segment. We want to adjust up to
+ the same address within the page on the next page up. */
+ ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+. = ${RODATA_ADDR};}}}
+ ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_RODATA_ADDR};}}
+ ${CREATE_PIE+${RELOCATING+. = ${SHLIB_RODATA_ADDR};}}
+EOF
+ emit_early_ro
+ emit_dyn
+fi
+
+cat <<EOF
${WRITABLE_RODATA-${RODATA}}
- .rodata1 ${RELOCATING-0} : { *(.rodata1) }
+ .${RODATA_NAME}1 ${RELOCATING-0} : { *(.${RODATA_NAME}1) }
${CREATE_SHLIB-${SDATA2}}
${CREATE_SHLIB-${SBSS2}}
${OTHER_READONLY_SECTIONS}
- .eh_frame_hdr : { *(.eh_frame_hdr) }
+ .eh_frame_hdr : { *(.eh_frame_hdr) ${RELOCATING+*(.eh_frame_entry .eh_frame_entry.*)} }
+ .eh_frame ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.eh_frame)) ${RELOCATING+*(.eh_frame.*)} }
+ .gcc_except_table ${RELOCATING-0} : ONLY_IF_RO { *(.gcc_except_table
+ .gcc_except_table.*) }
+ .gnu_extab ${RELOCATING-0} : ONLY_IF_RO { *(.gnu_extab*) }
+ /* These sections are generated by the Sun/Oracle C++ compiler. */
+ .exception_ranges ${RELOCATING-0} : ONLY_IF_RO { *(.exception_ranges
+ .exception_ranges*) }
+ ${TEXT_PLT+${PLT_NEXT_DATA+${PLT}}}
/* Adjust the address for the data segment. We want to adjust up to
the same address within the page on the next page up. */
@@ -296,22 +554,46 @@ cat <<EOF
${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
${CREATE_PIE+${RELOCATING+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}
- /* 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
- be empty, which isn't pretty. */
- ${RELOCATING+. = ALIGN(${ALIGNMENT});}
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_start = .);}}
- .preinit_array ${RELOCATING-0} : { *(.preinit_array) }
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_end = .);}}
+ /* Exception handling */
+ .eh_frame ${RELOCATING-0} : ONLY_IF_RW { KEEP (*(.eh_frame)) ${RELOCATING+*(.eh_frame.*)} }
+ .gnu_extab ${RELOCATING-0} : ONLY_IF_RW { *(.gnu_extab) }
+ .gcc_except_table ${RELOCATING-0} : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
+ .exception_ranges ${RELOCATING-0} : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
+
+ /* Thread Local Storage sections */
+ .tdata ${RELOCATING-0} : { PROVIDE_HIDDEN(.tdata = .); *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) }
+ .tbss ${RELOCATING-0} : { PROVIDE_HIDDEN(.tbss = .); *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} }
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_start = .);}}
- .init_array ${RELOCATING-0} : { *(.init_array) }
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_end = .);}}
+ .preinit_array ${RELOCATING-0} :
+ {
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_start = .);}}
+ KEEP (*(.preinit_array))
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_end = .);}}
+ }
+ ${RELOCATING+${INIT_ARRAY}}
+ ${RELOCATING+${FINI_ARRAY}}
+ ${SMALL_DATA_CTOR-${RELOCATING+${CTOR}}}
+ ${SMALL_DATA_DTOR-${RELOCATING+${DTOR}}}
+ .jcr ${RELOCATING-0} : { KEEP (*(.jcr)) }
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_start = .);}}
- .fini_array ${RELOCATING-0} : { *(.fini_array) }
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_end = .);}}
+ ${RELOCATING+${DATARELRO}}
+ ${OTHER_RELRO_SECTIONS}
+ ${TEXT_DYNAMIC-${DYNAMIC}}
+ ${OTHER_RELRO_SECTIONS_2}
+ ${DATA_GOT+${RELRO_NOW+${DATA_PLT+${PLT_BEFORE_GOT+${PLT}}}}}
+ ${DATA_GOT+${RELRO_NOW+${GOT}}}
+ ${DATA_GOT+${RELRO_NOW+${GOTPLT}}}
+ ${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT+${GOT}}}}
+ ${RELOCATING+${DATA_SEGMENT_RELRO_END}}
+ ${INITIAL_READWRITE_SECTIONS}
+ ${DATA_SDATA+${SDATA}}
+ ${DATA_SDATA+${OTHER_SDATA_SECTIONS}}
+ ${DATA_SDATA+${SBSS}}
+ ${DATA_GOT+${RELRO_NOW-${DATA_PLT+${PLT_BEFORE_GOT+${PLT}}}}}
+ ${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT-${GOT}}}}
+ ${DATA_GOT+${RELRO_NOW-${GOTPLT}}}
+
+ ${DATA_PLT+${PLT_BEFORE_GOT-${PLT}}}
.data ${RELOCATING-0} :
{
@@ -319,74 +601,59 @@ cat <<EOF
*(.data${RELOCATING+ .data.* .gnu.linkonce.d.*})
${CONSTRUCTING+SORT(CONSTRUCTORS)}
}
- .data.init ${RELOCATING-0} :
- {
- *(.data.init)
- }
.data1 ${RELOCATING-0} : { *(.data1) }
- /* TLS local dynamic uses .tdata as a reference point. */
- ${RELOCATING+${CREATE_SHLIB+PROVIDE_HIDDEN (.tdata = .);}}
- .tdata ${RELOCATING-0} : { PROVIDE_HIDDEN(.tdata = .); *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) }
- .tbss ${RELOCATING-0} : { PROVIDE_HIDDEN(.tbss = .); *(.tbss${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)) }
- ${DATA_PLT+${PLT}}
- ${RELOCATING+${OTHER_GOT_SYMBOLS}}
- ${GOT}
- ${OTHER_GOT_SECTIONS}
- ${CREATE_SHLIB+${SDATA2}}
- ${CREATE_SHLIB+${SBSS2}}
- ${SDATA}
- ${OTHER_SDATA_SECTIONS}
- ${RELOCATING+_edata = .;}
- ${RELOCATING+PROVIDE (edata = .);}
- ${RELOCATING+__bss_start = .;}
+ ${SMALL_DATA_CTOR+${RELOCATING+${CTOR}}}
+ ${SMALL_DATA_DTOR+${RELOCATING+${DTOR}}}
+ ${SDATA_GOT+${DATA_PLT+${PLT_BEFORE_GOT+${PLT}}}}
+ ${SDATA_GOT+${RELOCATING+${OTHER_GOT_SYMBOLS+. = .; ${OTHER_GOT_SYMBOLS}}}}
+ ${SDATA_GOT+${GOT}}
+ ${SDATA_GOT+${OTHER_GOT_SECTIONS}}
+ ${DATA_SDATA-${SDATA}}
+ ${DATA_SDATA-${OTHER_SDATA_SECTIONS}}
+ ${RELOCATING+${DATA_END_SYMBOLS-${USER_LABEL_PREFIX}_edata = .; PROVIDE (${USER_LABEL_PREFIX}edata = .);}}
+ ${RELOCATING+. = .;}
+ ${RELOCATING+${USER_LABEL_PREFIX}__bss_start = .;}
${RELOCATING+${OTHER_BSS_SYMBOLS}}
- ${SBSS}
+ ${DATA_SDATA-${SBSS}}
${BSS_PLT+${PLT}}
- .bss ${RELOCATING-0} :
+ .${BSS_NAME} ${RELOCATING-0} :
{
- *(.dynbss)
- *(.bss${RELOCATING+ .bss.* .gnu.linkonce.b.*})
+ *(.dyn${BSS_NAME})
+ *(.${BSS_NAME}${RELOCATING+ .${BSS_NAME}.* .gnu.linkonce.b.*})
*(COMMON)
/* Align here to ensure that the .bss section occupies space up to
_end. Align after .bss to ensure correct alignment even if the
- .bss section disappears because there are no input sections. */
- ${RELOCATING+. = ALIGN(${ALIGNMENT});}
+ .bss section disappears because there are no input sections.
+ FIXME: Why do we need it? When there is no .bss section, we don't
+ pad the .data section. */
+ ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);}
}
${OTHER_BSS_SECTIONS}
- ${RELOCATING+. = ALIGN(${ALIGNMENT});}
- ${RELOCATING+_end = .;}
+ ${LARGE_BSS_AFTER_BSS+${LARGE_BSS}}
${RELOCATING+${OTHER_BSS_END_SYMBOLS}}
- ${RELOCATING+PROVIDE (end = .);}
- ${RELOCATING+${DATA_SEGMENT_END}}
+ ${RELOCATING+. = ALIGN(${ALIGNMENT});}
+EOF
- /* We want to be able to set a default stack / heap size in a dejagnu
- board description file, but override it for selected test cases.
- The options appear in the wrong order to do this with a single symbol -
- ldflags comes after flags injected with per-file stanzas, and thus
- the setting from ldflags prevails. */
- .heap ${RELOCATING-0} :
- {
- ${RELOCATING+ __start_heap = . ; }
- ${RELOCATING+ . = . + (DEFINED(__HEAP_SIZE) ? __HEAP_SIZE : (DEFINED(__DEFAULT_HEAP_SIZE) ? __DEFAULT_HEAP_SIZE : 20k)) ; }
- ${RELOCATING+ __end_heap = . ; }
- }
+LARGE_DATA_ADDR=". = SEGMENT_START(\"ldata-segment\", ${LARGE_DATA_ADDR-.});"
+SHLIB_LARGE_DATA_ADDR=". = SEGMENT_START(\"ldata-segment\", ${SHLIB_LARGE_DATA_ADDR-.});"
- ${RELOCATING+. = ALIGN(0x8);}
- .stack ${RELOCATING-0} :
- {
- ${RELOCATING+ __stack = . ; }
- ${RELOCATING+ . = . + (DEFINED(__STACK_SIZE) ? __STACK_SIZE : (DEFINED(__DEFAULT_STACK_SIZE) ? __DEFAULT_STACK_SIZE : 64k)) ; }
- ${RELOCATING+ __stack_top = . ; }
- }
+ cat <<EOF
+ ${RELOCATING+${CREATE_SHLIB-${CREATE_PIE-${LARGE_DATA_ADDR}}}}
+ ${RELOCATING+${CREATE_SHLIB+${SHLIB_LARGE_DATA_ADDR}}}
+ ${RELOCATING+${CREATE_PIE+${SHLIB_LARGE_DATA_ADDR}}}
+ ${LARGE_SECTIONS}
+ ${LARGE_BSS_AFTER_BSS-${LARGE_BSS}}
+ ${RELOCATING+. = ALIGN(${ALIGNMENT});}
+ ${RELOCATING+${OTHER_END_SYMBOLS}}
+ ${RELOCATING+${END_SYMBOLS-${USER_LABEL_PREFIX}_end = .; PROVIDE (${USER_LABEL_PREFIX}end = .);}}
+ ${RELOCATING+${DATA_SEGMENT_END}}
+EOF
+
+test -z "${NON_ALLOC_DYN}" || emit_dyn
+cat <<EOF
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
@@ -397,43 +664,19 @@ cat <<EOF
.comment 0 : { *(.comment) }
- /* DWARF debug sections.
- Symbols in the DWARF debugging sections are relative to the beginning
- of the section so we begin them at 0. */
-
- /* DWARF 1 */
- .debug 0 : { *(.debug) }
- .line 0 : { *(.line) }
-
- /* GNU DWARF 1 extensions */
- .debug_srcinfo 0 : { *(.debug_srcinfo) }
- .debug_sfnames 0 : { *(.debug_sfnames) }
-
- /* DWARF 1.1 and DWARF 2 */
- .debug_aranges 0 : { *(.debug_aranges) }
- .debug_pubnames 0 : { *(.debug_pubnames) }
+EOF
- /* DWARF 2 */
- .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
- .debug_abbrev 0 : { *(.debug_abbrev) }
- .debug_line 0 : { *(.debug_line) }
- .debug_frame 0 : { *(.debug_frame) }
- .debug_str 0 : { *(.debug_str) }
- .debug_loc 0 : { *(.debug_loc) }
- .debug_macinfo 0 : { *(.debug_macinfo) }
+. $srcdir/scripttempl/DWARF.sc
- /* SGI/MIPS DWARF 2 extensions */
- .debug_weaknames 0 : { *(.debug_weaknames) }
- .debug_funcnames 0 : { *(.debug_funcnames) }
- .debug_typenames 0 : { *(.debug_typenames) }
- .debug_varnames 0 : { *(.debug_varnames) }
+cat <<EOF
- /* ARC Extension Sections */
- .arcextmap 0 : { *(.gnu.linkonce.arcextmap.*) }
+ ${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
--
1.9.1