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binutils-gdb/ld/emulparams/elf32xtensa.sh

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Add Xtensa port
2003-04-01 23:50:31 +08:00
SCRIPT_NAME=elfxtensa
TEMPLATE_NAME=elf32
EXTRA_EM_FILE=xtensaelf
OUTPUT_FORMAT=undefined
BIG_OUTPUT_FORMAT="elf32-xtensa-be"
LITTLE_OUTPUT_FORMAT="elf32-xtensa-le"
TEXT_START_ADDR=0x400000
* emulparams/xtensa-config.sh: Delete file. * emulparams/elf32xtensa.sh: Set MAXPAGESIZE here instead of including xtensa-config.sh. * Makefile.am (eelf32xtensa.c): Remove dependency on xtensa-config.sh. * Makefile.in: Regenerate.
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MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
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ARCH=xtensa
MACHINE=
GENERATE_SHLIB_SCRIPT=yes
bfd/ * elf32-xtensa.c (elf_xtensa_size_dynamic_sections): Add DT_DEBUG for PIE executables. ld/ * emulparams/elf32xtensa.sh (GENERATE_PIE_SCRIPT): Enable.
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GENERATE_PIE_SCRIPT=yes
Add Xtensa port
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GENERATE_COMBRELOC_SCRIPT=yes
NO_SMALL_DATA=yes
* emulparams/elf32xtensa.sh (TEXT_PLT): Enable. (OTHER_READONLY_SECTIONS): Add linkonce .xt_except_table sections. (OTHER_READWRITE_SECTIONS): Add linkonce .xt_except_desc sections. (OTHER_SDATA_SECTIONS): New. * scripttempl/elfxtensa.sc: Import changes from elf.sc.
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TEXT_PLT=yes
* scripttempl/elfxtensa.sc: Sync up with elf.sc. * emulparams/elf32xtensa.sh (PLT, GOT): Define.
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PLT="/* .plt* sections are embedded in .text */"
GOT=".got ${RELOCATING-0} : { *(.got) }"
* emulparams/elf32xtensa.sh (OTHER_READONLY_SECTIONS, OTHER_READWRITE_SECTIONS, OTHER_SECTIONS): Set section addresses to zero for relocatable links.
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OTHER_READONLY_SECTIONS="
.got.loc ${RELOCATING-0} : { *(.got.loc) }
* emulparams/elf32xtensa.sh (OTHER_READONLY_SECTIONS): Add ONLY_IF_RO for .xt_except_table. (OTHER_RELRO_SECTIONS): New.
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.xt_except_table ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.xt_except_table${RELOCATING+ .xt_except_table.* .gnu.linkonce.e.*})) }
"
OTHER_RELRO_SECTIONS="
.xt_except_table ${RELOCATING-0} : ONLY_IF_RW { KEEP (*(.xt_except_table${RELOCATING+ .xt_except_table.* .gnu.linkonce.e.*})) }
* emulparams/elf32xtensa.sh (OTHER_READONLY_SECTIONS, OTHER_READWRITE_SECTIONS, OTHER_SECTIONS): Set section addresses to zero for relocatable links.
2003-10-08 07:30:20 +08:00
"
bfd ChangeLog: * elf32-xtensa.c (elf_xtensa_create_dynamic_sections): Create new .got.loc section. Do not set SEC_ALLOC or SEC_LOAD flags for the .xt.lit.plt section. (elf_xtensa_size_dynamic_sections): Set size of the .got.loc section and allocate memory for it. (elf_xtensa_combine_prop_entries): Copy contents of .xt.lit output section to the .got.loc section. (elf_xtensa_finish_dynamic_sections): Fix up call to elf_xtensa_combine_prop_entries and set DT_XTENSA_GOT_LOC_OFF to the address of .got.loc. (relax_property_section): Shrink .got.loc to match changes in any literal table section. (xtensa_is_property_section): Change to match xtensa_get_property_section_name. (xtensa_is_littable_section): New. ld ChangeLog: * emulparams/elf32xtensa.sh (OTHER_READONLY_SECTIONS): Replace .xt.lit with new .got.loc section. (OTHER_READWRITE_SECTIONS): Do not combine linkonce sections for non-relocating links. (OTHER_SECTIONS): Add .xt.lit here. Change it to keep linkonce sections separate for non-relocating links; likewise for .xt.insn.
2003-07-11 03:01:48 +08:00
OTHER_READWRITE_SECTIONS="
* emulparams/elf32xtensa.sh (OTHER_READONLY_SECTIONS, OTHER_READWRITE_SECTIONS, OTHER_SECTIONS): Set section addresses to zero for relocatable links.
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.xt_except_desc ${RELOCATING-0} :
Add Xtensa port
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{
* emulparams/elf32xtensa.sh (TEXT_PLT): Enable. (OTHER_READONLY_SECTIONS): Add linkonce .xt_except_table sections. (OTHER_READWRITE_SECTIONS): Add linkonce .xt_except_desc sections. (OTHER_SDATA_SECTIONS): New. * scripttempl/elfxtensa.sc: Import changes from elf.sc.
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*(.xt_except_desc${RELOCATING+ .xt_except_desc.* .gnu.linkonce.h.*})
bfd ChangeLog: * elf32-xtensa.c (elf_xtensa_create_dynamic_sections): Create new .got.loc section. Do not set SEC_ALLOC or SEC_LOAD flags for the .xt.lit.plt section. (elf_xtensa_size_dynamic_sections): Set size of the .got.loc section and allocate memory for it. (elf_xtensa_combine_prop_entries): Copy contents of .xt.lit output section to the .got.loc section. (elf_xtensa_finish_dynamic_sections): Fix up call to elf_xtensa_combine_prop_entries and set DT_XTENSA_GOT_LOC_OFF to the address of .got.loc. (relax_property_section): Shrink .got.loc to match changes in any literal table section. (xtensa_is_property_section): Change to match xtensa_get_property_section_name. (xtensa_is_littable_section): New. ld ChangeLog: * emulparams/elf32xtensa.sh (OTHER_READONLY_SECTIONS): Replace .xt.lit with new .got.loc section. (OTHER_READWRITE_SECTIONS): Do not combine linkonce sections for non-relocating links. (OTHER_SECTIONS): Add .xt.lit here. Change it to keep linkonce sections separate for non-relocating links; likewise for .xt.insn.
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${RELOCATING+*(.xt_except_desc_end)}
Add Xtensa port
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}
bfd ChangeLog: * elf32-xtensa.c (elf_xtensa_create_dynamic_sections): Create new .got.loc section. Do not set SEC_ALLOC or SEC_LOAD flags for the .xt.lit.plt section. (elf_xtensa_size_dynamic_sections): Set size of the .got.loc section and allocate memory for it. (elf_xtensa_combine_prop_entries): Copy contents of .xt.lit output section to the .got.loc section. (elf_xtensa_finish_dynamic_sections): Fix up call to elf_xtensa_combine_prop_entries and set DT_XTENSA_GOT_LOC_OFF to the address of .got.loc. (relax_property_section): Shrink .got.loc to match changes in any literal table section. (xtensa_is_property_section): Change to match xtensa_get_property_section_name. (xtensa_is_littable_section): New. ld ChangeLog: * emulparams/elf32xtensa.sh (OTHER_READONLY_SECTIONS): Replace .xt.lit with new .got.loc section. (OTHER_READWRITE_SECTIONS): Do not combine linkonce sections for non-relocating links. (OTHER_SECTIONS): Add .xt.lit here. Change it to keep linkonce sections separate for non-relocating links; likewise for .xt.insn.
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"
* emulparams/elf32xtensa.sh (TEXT_PLT): Enable. (OTHER_READONLY_SECTIONS): Add linkonce .xt_except_table sections. (OTHER_READWRITE_SECTIONS): Add linkonce .xt_except_desc sections. (OTHER_SDATA_SECTIONS): New. * scripttempl/elfxtensa.sc: Import changes from elf.sc.
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OTHER_SDATA_SECTIONS="
.lit4 ${RELOCATING-0} :
{
${RELOCATING+PROVIDE (_lit4_start = .);}
*(.lit4${RELOCATING+ .lit4.* .gnu.linkonce.lit4.*})
${RELOCATING+PROVIDE (_lit4_end = .);}
}
"
bfd ChangeLog: * elf32-xtensa.c (elf_xtensa_create_dynamic_sections): Create new .got.loc section. Do not set SEC_ALLOC or SEC_LOAD flags for the .xt.lit.plt section. (elf_xtensa_size_dynamic_sections): Set size of the .got.loc section and allocate memory for it. (elf_xtensa_combine_prop_entries): Copy contents of .xt.lit output section to the .got.loc section. (elf_xtensa_finish_dynamic_sections): Fix up call to elf_xtensa_combine_prop_entries and set DT_XTENSA_GOT_LOC_OFF to the address of .got.loc. (relax_property_section): Shrink .got.loc to match changes in any literal table section. (xtensa_is_property_section): Change to match xtensa_get_property_section_name. (xtensa_is_littable_section): New. ld ChangeLog: * emulparams/elf32xtensa.sh (OTHER_READONLY_SECTIONS): Replace .xt.lit with new .got.loc section. (OTHER_READWRITE_SECTIONS): Do not combine linkonce sections for non-relocating links. (OTHER_SECTIONS): Add .xt.lit here. Change it to keep linkonce sections separate for non-relocating links; likewise for .xt.insn.
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OTHER_SECTIONS="
bfd/ * elf32-xtensa.c (elf_xtensa_gc_mark_hook): Don't follow references from Xtensa property sections. ld/ * emulparams/elf32xtensa.sh (OTHER_SECTIONS): KEEP property sections.
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.xt.lit 0 : { KEEP (*(.xt.lit${RELOCATING+ .xt.lit.* .gnu.linkonce.p.*})) }
.xt.insn 0 : { KEEP (*(.xt.insn${RELOCATING+ .gnu.linkonce.x.*})) }
.xt.prop 0 : { KEEP (*(.xt.prop${RELOCATING+ .xt.prop.* .gnu.linkonce.prop.*})) }
bfd ChangeLog: * elf32-xtensa.c (elf_xtensa_create_dynamic_sections): Create new .got.loc section. Do not set SEC_ALLOC or SEC_LOAD flags for the .xt.lit.plt section. (elf_xtensa_size_dynamic_sections): Set size of the .got.loc section and allocate memory for it. (elf_xtensa_combine_prop_entries): Copy contents of .xt.lit output section to the .got.loc section. (elf_xtensa_finish_dynamic_sections): Fix up call to elf_xtensa_combine_prop_entries and set DT_XTENSA_GOT_LOC_OFF to the address of .got.loc. (relax_property_section): Shrink .got.loc to match changes in any literal table section. (xtensa_is_property_section): Change to match xtensa_get_property_section_name. (xtensa_is_littable_section): New. ld ChangeLog: * emulparams/elf32xtensa.sh (OTHER_READONLY_SECTIONS): Replace .xt.lit with new .got.loc section. (OTHER_READWRITE_SECTIONS): Do not combine linkonce sections for non-relocating links. (OTHER_SECTIONS): Add .xt.lit here. Change it to keep linkonce sections separate for non-relocating links; likewise for .xt.insn.
2003-07-11 03:01:48 +08:00
"
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