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binutils-gdb/ld/emulparams/elf32xtensa.sh

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Add Xtensa port
2003-04-01 17:50:31 +02:00
# First set some configuration-specific variables
. ${srcdir}/emulparams/xtensa-config.sh
# See genscripts.sh and ../scripttempl/elfxtensa.sc for the meaning of these.
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
NONPAGED_TEXT_START_ADDR=0x400000
ARCH=xtensa
MACHINE=
GENERATE_SHLIB_SCRIPT=yes
GENERATE_COMBRELOC_SCRIPT=yes
NO_SMALL_DATA=yes
* scripttempl/elfxtensa.sc: Sync up with elf.sc. * emulparams/elf32xtensa.sh (PLT, GOT): Define.
2005-05-12 02:31:22 +02:00
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.
2003-10-08 01:30:20 +02:00
OTHER_READONLY_SECTIONS="
.got.loc ${RELOCATING-0} : { *(.got.loc) }
.xt_except_table ${RELOCATING-0} : { KEEP (*(.xt_except_table)) }
"
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.
2003-07-10 21:01:48 +02:00
OTHER_READWRITE_SECTIONS="
* emulparams/elf32xtensa.sh (OTHER_READONLY_SECTIONS, OTHER_READWRITE_SECTIONS, OTHER_SECTIONS): Set section addresses to zero for relocatable links.
2003-10-08 01:30:20 +02:00
.xt_except_desc ${RELOCATING-0} :
Add Xtensa port
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{
bfd ChangeLog: * elf32-xtensa.c (elf_xtensa_create_dynamic_sections): Create new .got.loc section. Do not set SEC_ALLOC or SEC_LOAD flags for the .xt.lit.plt section. (elf_xtensa_size_dynamic_sections): Set size of the .got.loc section and allocate memory for it. (elf_xtensa_combine_prop_entries): Copy contents of .xt.lit output section to the .got.loc section. (elf_xtensa_finish_dynamic_sections): Fix up call to elf_xtensa_combine_prop_entries and set DT_XTENSA_GOT_LOC_OFF to the address of .got.loc. (relax_property_section): Shrink .got.loc to match changes in any literal table section. (xtensa_is_property_section): Change to match xtensa_get_property_section_name. (xtensa_is_littable_section): New. ld ChangeLog: * emulparams/elf32xtensa.sh (OTHER_READONLY_SECTIONS): Replace .xt.lit with new .got.loc section. (OTHER_READWRITE_SECTIONS): Do not combine linkonce sections for non-relocating links. (OTHER_SECTIONS): Add .xt.lit here. Change it to keep linkonce sections separate for non-relocating links; likewise for .xt.insn.
2003-07-10 21:01:48 +02:00
*(.xt_except_desc${RELOCATING+ .gnu.linkonce.h.*})
${RELOCATING+*(.xt_except_desc_end)}
Add Xtensa port
2003-04-01 17:50:31 +02:00
}
bfd ChangeLog: * elf32-xtensa.c (elf_xtensa_create_dynamic_sections): Create new .got.loc section. Do not set SEC_ALLOC or SEC_LOAD flags for the .xt.lit.plt section. (elf_xtensa_size_dynamic_sections): Set size of the .got.loc section and allocate memory for it. (elf_xtensa_combine_prop_entries): Copy contents of .xt.lit output section to the .got.loc section. (elf_xtensa_finish_dynamic_sections): Fix up call to elf_xtensa_combine_prop_entries and set DT_XTENSA_GOT_LOC_OFF to the address of .got.loc. (relax_property_section): Shrink .got.loc to match changes in any literal table section. (xtensa_is_property_section): Change to match xtensa_get_property_section_name. (xtensa_is_littable_section): New. ld ChangeLog: * emulparams/elf32xtensa.sh (OTHER_READONLY_SECTIONS): Replace .xt.lit with new .got.loc section. (OTHER_READWRITE_SECTIONS): Do not combine linkonce sections for non-relocating links. (OTHER_SECTIONS): Add .xt.lit here. Change it to keep linkonce sections separate for non-relocating links; likewise for .xt.insn.
2003-07-10 21:01:48 +02:00
"
OTHER_SECTIONS="
* emulparams/elf32xtensa.sh (OTHER_READONLY_SECTIONS, OTHER_READWRITE_SECTIONS, OTHER_SECTIONS): Set section addresses to zero for relocatable links.
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.xt.lit 0 : { *(.xt.lit${RELOCATING+ .xt.lit.* .gnu.linkonce.p.*}) }
.xt.insn 0 : { *(.xt.insn${RELOCATING+ .gnu.linkonce.x.*}) }
bfd/ * elf32-xtensa.c (xtensa_get_property_section_name): Delete. (xtensa_get_property_section): New. (xtensa_read_table_entries): Use xtensa_get_property_section. (relax_property_section, xtensa_get_property_predef_flags): Handle group name suffixes in property section names. (match_section_group): New. gas/ * config/tc-xtensa.c (FINI_LITERAL_SECTION_NAME): Delete. (INIT_LITERAL_SECTION_NAME): Delete. (lit_state struct): Remove segment names, init_lit_seg, and fini_lit_seg. Add lit_prefix and current_text_seg. (init_literal_head_h, init_literal_head): Delete. (fini_literal_head_h, fini_literal_head): Delete. (xtensa_begin_directive): Move argument parsing to xtensa_literal_prefix function. (xtensa_end_directive): Deallocate lit_prefix field of lit_state. (xtensa_literal_prefix): Parse the directive argument here and record it in the lit_prefix field. Remove code to derive literal section names. (linkonce_len): New. (get_is_linkonce_section): Use linkonce_len. Check for any ".gnu.linkonce.*" section, not just text sections. (md_begin): Remove initialization of deleted lit_state fields. (xtensa_reorder_segments, xtensa_post_relax_hook): Remove references to init_literal_head and fini_literal_head. (xtensa_move_literals): Likewise. Skip literals for .init and .fini when traversing literal_head list. (match_section_group): New. (cache_literal_section): Rewrite to determine the literal section name on the fly, create the section and return it. (xtensa_switch_to_literal_fragment): Adjust for cache_literal_section. (xtensa_switch_to_non_abs_literal_fragment): Likewise. (xtensa_create_property_segments, xtensa_create_xproperty_segments): Use xtensa_get_property_section from bfd. (retrieve_xtensa_section): Delete. * doc/c-xtensa.texi (Xtensa Options): Fix --text-section-literals description to refer to plural literal sections and add xref to the Literal Directive section. (Literal Directive): Describe new rules for deriving literal section names. Add footnote for special case of .init/.fini with --text-section-literals. (Literal Prefix Directive): Replace old naming rules with xref to the Literal Directive section. ld/ * emulparams/elf32xtensa.sh (.xt.prop): Add .xt.prop.*. * scripttempl/elfxtensa.sc (.text): Add .literal.*.
2006-08-25 02:08:55 +02:00
.xt.prop 0 : { *(.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.
2003-07-10 21:01:48 +02:00
"