binutils-gdb/ld/emulparams/armelf.sh

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MACHINE=
SCRIPT_NAME=elf
OUTPUT_FORMAT="elf32-littlearm"
BIG_OUTPUT_FORMAT="elf32-bigarm"
LITTLE_OUTPUT_FORMAT="elf32-littlearm"
TEXT_START_ADDR=0x8000
TEMPLATE_NAME=elf32
EXTRA_EM_FILE=armelf
2008-02-20 Paul Brook <paul@codesourcery.com> ld/ * emultempl/armelf.em (OPTION_FIX_V4BX_INTERWORKING): Define. (PARSE_AND_LIST_LONGOPTS): Add fix-v4bx-interworking. (PARSE_AND_LIST_OPTIONS): Ditto. (PARSE_AND_LIST_ARGS_CASES): Handle OPTION_FIX_V4BX_INTERWORKING. * emulparams/armelf.sh (OTHER_TEXT_SECTIONS): Add .v4_bx. * emulparams/armelf_linux.sh (OTHER_TEXT_SECTIONS): Ditto. * emulparams/armnto.sh (OTHER_TEXT_SECTIONS): Ditto. * ld.texinfo: Document --fix-v4bx-interworking. ld/testsuite/ * ld-arm/armv4-bx.d: New test. * ld-arm/armv4-bx.s: New test. * ld-arm/arm.ld: Add .v4bx. * ld-arm/arm-elf.exp: Add armv4-bx. gas/testsuite/ * gas/arm/thumb.d: Exclude EABI targets. * gas/arm/arch4t.d: Exclude EABI targts. * gas/arm/v4bx.d: New test. * gas/arm/v4bx.s: New test. * gas/arm/thumb-eabi.d: New test. * gas/arm/arch4t-eabi.d: New test. gas/ * config/tc-arm.c (fix_v4bx): New variable. (do_bx): Generate V4BX relocations. (md_assemble): Allow bx on v4 codes when fix_v4bx. (md_apply_fix): Handle BFD_RELOC_ARM_V4BX. (tc_gen_reloc): Ditto. (OPTION_FIX_V4BX): Define. (md_longopts): Add fix-v4bx. (md_parse_option): Handle OPTION_FIX_V4BX. (md_show_usage): Document --fix-v4bx. * doc/c-arm.texi: Document --fix-v4bx. bfd/ * reloc.c: Add BFD_RELOC_ARM_V4BX. * elf32-arm.c (elf32_arm_reloc_map): Add BFD_RELOC_ARM_V4BX. (ARM_BX_GLUE_SECTION_NAME, ARM_BX_GLUE_SECTION_NAME): Define. (elf32_arm_link_hash_table): Add bx_glue_size and bx_glue_offset. Update comment for fix_v4bx. (elf32_arm_link_hash_table_create): Zero bx_glue_size and bx_glue_offset. (ARM_BX_VENEER_SIZE, armbx1_tst_insn, armbx2_moveq_insn, armbx3_bx_insn): New. (bfd_elf32_arm_allocate_interworking_sections): Allocate BX veneer section. (bfd_elf32_arm_add_glue_sections_to_bfd): Ditto. (bfd_elf32_arm_process_before_allocation): Record BX veneers. (record_arm_bx_glue, elf32_arm_bx_glue): New functions. (elf32_arm_final_link_relocate): Handle BX veneers. (elf32_arm_output_arch_local_syms): Output mapping symbol for .v4_bx. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate.
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OTHER_TEXT_SECTIONS='*(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)'
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OTHER_BSS_SYMBOLS='__bss_start__ = .;'
OTHER_BSS_END_SYMBOLS='_bss_end__ = . ; __bss_end__ = . ;'
OTHER_END_SYMBOLS='__end__ = . ;'
bfd: * elf-attrs.c: New. * Makefile.am (BFD32_BACKENDS): Add elf-attrs.lo. (BFD32_BACKENDS_CFILES): Add elf-attrs.c. (elf-attrs.lo): Generate dependencies. * Makefile.in: Regenerate. * configure.in (elf): Add elf-attrs.lo. * configure: Regenerate. * elf-bfd.h (struct elf_backend_data): Add entries for object attributes. (NUM_KNOWN_OBJ_ATTRIBUTES, obj_attribute, obj_attribute_list, OBJ_ATTR_PROC, OBJ_ATTR_GNU, OBJ_ATTR_FIRST, OBJ_ATTR_LAST, Tag_NULL, Tag_File, Tag_Section, Tag_Symbol, Tag_compatibility): New. (struct elf_obj_tdata): Add entries for object attributes. (elf_known_obj_attributes, elf_other_obj_attributes, elf_known_obj_attributes_proc, elf_other_obj_attributes_proc): New. (bfd_elf_obj_attr_size, bfd_elf_set_obj_attr_contents, bfd_elf_get_obj_attr_int, bfd_elf_add_obj_attr_int, bfd_elf_add_proc_attr_int, bfd_elf_add_obj_attr_string, bfd_elf_add_proc_attr_string, bfd_elf_add_obj_attr_compat, bfd_elf_add_proc_attr_compat, _bfd_elf_attr_strdup, _bfd_elf_copy_obj_attributes, _bfd_elf_obj_attrs_arg_type, _bfd_elf_parse_attributes, _bfd_elf_merge_object_attributes): New. * elf.c (_bfd_elf_copy_private_bfd_data): Copy object attributes. (bfd_section_from_shdr): Handle attributes sections. * elflink.c (bfd_elf_final_link): Handle attributes sections. * elfxx-target.h (elf_backend_obj_attrs_vendor, elf_backend_obj_attrs_section, elf_backend_obj_attrs_arg_type, elf_backend_obj_attrs_section_type): New. (elfNN_bed): Update. * elf32-arm.c (NUM_KNOWN_ATTRIBUTES, aeabi_attribute, aeabi_attribute_list): Remove. (struct elf32_arm_obj_tdata): Remove object attributes fields. (check_use_blx, bfd_elf32_arm_set_vfp11_fix, using_thumb2, elf32_arm_copy_private_bfd_data, elf32_arm_merge_eabi_attributes): Update for new object attributes interfaces. (uleb128_size, is_default_attr, eabi_attr_size, elf32_arm_eabi_attr_size, write_uleb128, write_eabi_attribute, elf32_arm_set_eabi_attr_contents, elf32_arm_bfd_final_link, elf32_arm_new_eabi_attr, elf32_arm_get_eabi_attr_int, elf32_arm_add_eabi_attr_int, attr_strdup, elf32_arm_add_eabi_attr_string, elf32_arm_add_eabi_attr_compat, copy_eabi_attributes, elf32_arm_parse_attributes): Remove. Moved to generic code in elf-attrs.c. (elf32_arm_obj_attrs_arg_type): New. (elf32_arm_fake_sections): Do not handle .ARM.attributes. (elf32_arm_section_from_shdr): Do not handle SHT_ARM_ATTRIBUTES. (bfd_elf32_bfd_final_link): Remove. (elf_backend_obj_attrs_vendor, elf_backend_obj_attrs_section, elf_backend_obj_attrs_arg_type, elf_backend_obj_attrs_section_type): New. * elf32-bfin.c (bfin_elf_copy_private_bfd_data): Copy object attributes. * elf32-frv.c (frv_elf_copy_private_bfd_data): Likewise. * elf32-iq2000.c (iq2000_elf_copy_private_bfd_data): Likewise. * elf32-mep.c (mep_elf_copy_private_bfd_data): Likewise. * elf32-mt.c (mt_elf_copy_private_bfd_data): Likewise. * elf32-sh.c (sh_elf_copy_private_data): Likewise. * elf64-sh64.c (sh_elf64_copy_private_data_internal): Likewise. binutils: * readelf.c (display_gnu_attribute): New. (process_arm_specific): Rearrange as process_attributes. (process_arm_specific): Replace by wrapper of process_attributes. gas: * as.c (create_obj_attrs_section): New. (main): Call create_obj_attrs_section for ELF. * read.c (s_gnu_attribute, skip_whitespace, skip_past_char, skip_past_comma, s_vendor_attribute): New. (potable): Add gnu_attribute for ELF. * read.h (s_vendor_attribute): Declare. * config/tc-arm.c (s_arm_eabi_attribute): Replace by wrapper round s_vendor_attribute. (aeabi_set_public_attributes): Update for new attributes interfaces. (arm_md_end): Remove attributes contents setting now done generically. include/elf: * arm.h (elf32_arm_add_eabi_attr_int, elf32_arm_add_eabi_attr_string, elf32_arm_add_eabi_attr_compat, elf32_arm_get_eabi_attr_int, elf32_arm_set_eabi_attr_contents, elf32_arm_eabi_attr_size, Tag_NULL, Tag_File, Tag_Section, Tag_Symbol, Tag_compatibility): Remove. * common.h (SHT_GNU_ATTRIBUTES): Define. ld: * emulparams/armelf.sh (OTHER_SECTIONS): Remove .ARM.attributes. (ATTRS_SECTIONS): Define. * scripttempl/elf.sc, scripttempl/elf32sh-symbian.sc, scripttempl/elf_chaos.sc, scripttempl/elfi370.sc, scripttempl/elfxtensa.sc: Handle ATTRS_SECTIONS.
2007-06-29 18:29:17 +02:00
OTHER_SECTIONS='.note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }'
ATTRS_SECTIONS='.ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }'
OTHER_READONLY_SECTIONS="
.ARM.extab ${RELOCATING-0} : { *(.ARM.extab${RELOCATING+* .gnu.linkonce.armextab.*}) }
${RELOCATING+ __exidx_start = .; }
.ARM.exidx ${RELOCATING-0} : { *(.ARM.exidx${RELOCATING+* .gnu.linkonce.armexidx.*}) }
${RELOCATING+ __exidx_end = .; }"
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DATA_START_SYMBOLS='__data_start = . ;';
GENERATE_SHLIB_SCRIPT=yes
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ARCH=arm
MACHINE=
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
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ENTRY=_start
EMBEDDED=yes
* Makefile.am (CONFIG_STATUS_DEPENDENCIES): Define. (config.status): Delete rule. Add extra dependencies to cover sourced emulparams files. * Makefile.in: Regenerate. * scripttempl/elf.sc: Order <section>, <section>.* and corresponding linkonce sections as seen in input files. Formatting fixes. Zero vma of all sections if not relocating. (STACK): Define and insert if STACK_ADDR defined. (OTHER_RELOCATING_SECTIONS): Delete. (OTHER_END_SYMBOLS): Define. (OTHER_READONLY_SECTIONS): Always insert, not just when relocating. (OTHER_READWRITE_SECTIONS): Likewise. (OTHER_GOT_SECTIONS): Likewise. (OTHER_SDATA_SECTIONS): Likewise. (OTHER_BSS_SECTIONS): Likewise. * scripttempl/elfi370.sc (OTHER_READONLY_SECTIONS): Likewise. (OTHER_READWRITE_SECTIONS): Likewise. * scripttempl/nw.sc (OTHER_READONLY_SECTIONS): Likewise. (OTHER_READWRITE_SECTIONS): Likewise * emulparams/armelf.sh (OTHER_RELOCATING_SECTIONS): Delete. (STACK_ADDR): Define. * emulparams/armelf_oabi.sh: As for armelf.sh. * emulparams/elf32mcore.sh: As for armelf.sh. * emulparams/h8300elf.sh: As for armelf.sh. * emulparams/mn10200.sh: As for armelf.sh. * emulparams/shelf.sh: As for armelf.sh. * emulparams/elf32fr30.sh (OTHER_RELOCATING_SECTIONS): Delete. (OTHER_END_SYMBOLS): Define. * emulparams/m32relf.sh: As for elf32fr30.sh. * emulparams/h8300helf.sh: As for elf32fr30.sh. * emulparams/h8300self.sh: As for elf32fr30.sh. * emulparams/criself.sh (OTHER_READONLY_SECTIONS): Protect symbol defines with RELOCATING test. (OTHER_SDATA_SECTIONS): Likewise. (OTHER_RELOCATING_SECTIONS): Delete, replacing with.. (OTHER_END_SYMBOLS): ..this. * emulparams/crislinux.sh: As for criself.sh. * emulparams/elf32bmipn32.sh (OTHER_SDATA_SECTIONS): Zero vma if not relocating. (OTHER_RELOCATING_SECTIONS): Delete, replacing with.. (OTHER_SECTIONS): ..this. Zero vma if not relocating. Order normal and linkonce sections as seen in input files. * emulparams/elf32bmip.sh (DATA_ADDR): Don't define if EMBEDDED. (TEXT_DYNAMIC): Likewise. (INITIAL_READONLY_SECTIONS): Zero vma if not relocating. (OTHER_SDATA_SECTIONS): Likewise. * emulparams/elf32ppc.sh (OTHER_READWRITE_SECTIONS): Likewise. * emulparams/shlelf_linux.sh (OTHER_READWRITE_SECTIONS): Likewise. * emulparams/elf64alpha.sh (OTHER_READONLY_SECTIONS): Likewise. * emulparams/hppalinux.sh (OTHER_READONLY_SECTIONS): Likewise. * emulparams/elf64_aix.sh (OTHER_GOT_SECTIONS): Likewise. (OTHER_PLT_RELOC_SECTIONS): Likewise. (OTHER_READONLY_SECTIONS): Likewise. Order normal and linkonce sections as seen in input files. * emulparams/elf64_ia64.sh: As for emulparams/elf64_aix.sh. * emulparams/hppa64linux.sh (OTHER_READONLY_SECTIONS): Zero vma if not relocating. (OTHER_READWRITE_SECTIONS, OTHER_BSS_SECTIONS): Likewise. (OTHER_BSS_END_SYMBOLS): Merge from elf64hppa.sh. * emulparams/elf64mmix.sh (OTHER_RELOCATING_SECTIONS): Delete. (OTHER_SECTIONS): Instead, use this.. (OTHER_END_SYMBOLS): ..and this. * emulparams/elf32b4300.sh: Source elf32bmip.sh, remove duplicates. * emulparams/elf32bsmip.sh: Likewise. * emulparams/elf32btsmip.sh: Likewise. * emulparams/elf32ebmip.sh: Likewise. * emulparams/elf32lmip.sh: Likewise. * emulparams/elf32elmip.sh: Source elf32lmip.sh, remove duplicates. * emulparams/elf32lsmip.sh: Likewise. * emulparams/elf32ltsmip.sh: Source elf32btsmip.sh, remove duplicates. * emulparams/elf32l4300.sh: Source elf32b4300.sh, remove duplicates. * emulparams/elf64bmip.sh: Source elf32bmipn32.sh, remove duplicates. * emulparams/elf64btsmip.sh: Likewise. * emulparams/elf64ltsmip.sh: Source elf64btsmip.sh, remove duplicates. * emulparams/elf32lppc.sh: Source elf32ppc.sh, remove duplicates. * emulparams/elf32ppclinux.sh: Likewise. * emulparams/elf32ppcsim.sh: Likewise. * emulparams/elf32lppcsim.sh: Source elf32lppc.sh, remove duplicates. * emulparams/elf64hppa.sh: Source hppa64linux.sh, remove duplicates. * emulparams/h8300helf.sh: Source h8300elf.sh, remove duplicates. * emulparams/h8300self.sh: Likewise. * emulparams/mn10300.sh: Source mn10200.sh, remove duplicates. * emulparams/sh.sh: Comment. * emulparams/shl.sh: Source sh.sh, remove duplicates. * emulparams/shlelf.sh: Source shelf.sh, remove duplicates. * emulparams/shelf_linux.sh: Source shlelf_linux.sh, remove duplicates.
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# This sets the stack to the top of the simulator memory (2^19 bytes).
STACK_ADDR=0x80000
# ARM does not support .s* sections.
NO_SMALL_DATA=yes