binutils-gdb/ld/emulparams/elf32_tic6x_le.sh
Chen Gang 16c1c9d6a6 Prevent multiple definitions for _HEAP_START, _HEAP_MAX, and _STACK_START when performing a relocatable link with a tic6x target.
* emulparams/elf32_tic6x_le.sh: Skip OTHER_BSS_SECTIONS for
	relocating operation.
2015-04-01 11:29:46 +01:00

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SCRIPT_NAME=elf
TEMPLATE_NAME=elf32
OUTPUT_FORMAT="elf32-tic6x-le"
BIG_OUTPUT_FORMAT="elf32-tic6x-be"
EXTRA_EM_FILE=tic6xdsbt
GENERATE_SHLIB_SCRIPT=yes
# This address is an arbitrary value expected to be suitable for
# semihosting simulator use, but not on hardware where it is expected
# to be overridden.
case ${target} in
*-elf)
TEXT_START_ADDR=0x8000
;;
*-uclinux)
TEXT_START_ADDR=0x0
GOT="
.got ${RELOCATING-0} : {
*(.dsbt)
*(.got.plt) *(.igot.plt) *(.got) *(.igot)
}"
;;
esac
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
ARCH=tic6x
EXECUTABLE_SYMBOLS="EXTERN (__c6xabi_DSBT_BASE);"
OTHER_GOT_SYMBOLS="PROVIDE_HIDDEN (__c6xabi_DSBT_BASE = .);"
# ".bss" is near (small) BSS, ".far" is far (normal) BSS, ".const" is
# far read-only data, ".rodata" is near read-only data. ".neardata"
# is near (small) data, ".fardata" is (along with .data) far data.
RODATA_NAME="const"
SDATA_NAME="neardata"
SBSS_NAME="bss"
BSS_NAME="far"
OTHER_READONLY_SECTIONS="
.c6xabi.extab ${RELOCATING-0} : { *(.c6xabi.extab${RELOCATING+* .gnu.linkonce.c6xabiextab.*}) }
${RELOCATING+ PROVIDE_HIDDEN (__exidx_start = .); }
.c6xabi.exidx ${RELOCATING-0} : { *(.c6xabi.exidx${RELOCATING+* .gnu.linkonce.c6xabiexidx.*}) }
${RELOCATING+ PROVIDE_HIDDEN (__exidx_end = .); }"
OTHER_SDATA_SECTIONS=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.*}) }"
OTHER_READONLY_RELOC_SECTIONS="
.rel.rodata ${RELOCATING-0} : { *(.rel.rodata${RELOCATING+ .rel.rodata.*}) }
.rela.rodata ${RELOCATING-0} : { *(.rela.rodata${RELOCATING+ .rela.rodata.*}) }"
OTHER_READWRITE_SECTIONS=".fardata ${RELOCATING-0} : { *(.fardata${RELOCATING+ .fardata.*}) }"
OTHER_READWRITE_RELOC_SECTIONS="
.rel.fardata ${RELOCATING-0} : { *(.rel.fardata${RELOCATING+ .rel.fardata.*}) }
.rela.fardata ${RELOCATING-0} : { *(.rela.fardata${RELOCATING+ .rela.fardata.*}) }"
# For relocating operation, skip OTHER_BSS_SECTIONS, or will cause multiple definition.
if [ ${RELOCATING-0} ]; then
OTHER_BSS_SECTIONS="";
else
case ${target} in
*-elf)
OTHER_BSS_SECTIONS="
.heap :
{
. = ALIGN(4);
_HEAP_START = .;
. += 0x2000000;
_HEAP_MAX = .;
}
.stack :
{
. += 0x100000;
_STACK_START = .;
}"
;;
esac
fi
ATTRS_SECTIONS='.c6xabi.attributes 0 : { KEEP (*(.c6xabi.attributes)) KEEP (*(.gnu.attributes)) }'