55e6e39790
2006-08-02 Richard Sandiford <richard@codesourcery.com>
Kazu Hirata <kazu@codesourcery.com>
Phil Edwards <phil@codesourcery.com>
Nathan Sidwell <nathan@codesourcery.com>
* config.bfd (sh-*-vxworks): Use bfd_elf32_shvxworks_vec and
bfd_elf32_shlvxworks_vec.
* configure.in (bfd_elf32_sh64_vec): Add elf-vxworks.lo.
(bfd_elf32_sh64l_vec, bfd_elf32_sh64lin_vec): Likewise.
(bfd_elf32_sh64blin_vec, bfd_elf32_sh64lnbsd_vec): Likewise.
(bfd_elf32_sh64nbsd_vec, bfd_elf32_sh_vec): Likewise.
(bfd_elf32_shblin_vec, bfd_elf32_shl_vec): Likewise.
(bfd_elf32_shl_symbian_vec, bfd_elf32_shlin_vec): Likewise.
(bfd_elf32_shlnbsd_vec, bfd_elf32_shnbsd_vec): Likewise.
(bfd_elf32_shlvxworks_vec, bfd_elf32_shvxworks_vec): New stanzas.
* configure: Regenerate.
* Makefile.am: Regenerate dependencies.
* Makefile.in: Regenerate.
* elf-vxworks.c (elf_vxworks_gott_symbol_p): New function.
(elf_vxworks_add_symbol_hook): Use it.
(elf_vxworks_link_output_symbol_hook): Likewise. Use the hash
table entry to check for weak undefined symbols and to obtain
the original bfd.
(elf_vxworks_emit_relocs): Use target_index instead of this_idx.
* elf32-sh-relocs.h: New file, split from elf32-sh.c.
(R_SH_DIR32): Use SH_PARTIAL32 for the partial_inplace field,
SH_SRC_MASK32 for the src_mask field, and SH_ELF_RELOC for the
special_function field.
(R_SH_REL32): Use SH_PARTIAL32 and SH_SRC_MASK32 here too.
(R_SH_REL32, R_SH_TLS_GD_32, R_SH_TLS_LD_32): Likewise.
(R_SH_TLS_LDO_32, R_SH_TLS_IE_32, R_SH_TLS_LE_32): Likewise.
(R_SH_TLS_DTPMOD32, R_SH_TLS_DTPOFF32, R_SH_TLS_TPOFF32): Likewise.
(R_SH_GOT32, R_SH_PLT32, R_SH_COPY, R_SH_GLOB_DAT): Likewise.
(R_SH_JMP_SLOT, R_SH_RELATIVE, R_SH_GOTOFF, R_SH_GOTPC): Likewise.
(SH_PARTIAL32, SH_SRC_MASK32, SH_ELF_RELOC): Undefine at end of file.
* elf32-sh.c: Include elf32-vxworks.h.
(MINUS_ONE): Define.
(sh_elf_howto_table): Include elf32-sh-relocs.h with SH_PARTIAL32
set to TRUE, SH_SRC_MASK32 set to 0xffffffff, and SH_ELF_RELOC set
to sh_elf_reloc.
(sh_vxworks_howto_table): New variable. Include elf32-sh-relocs.h
with SH_PARTIAL32 set to FALSE, SH_SRC_MASK32 set to 0, and
SH_ELF_RELOC set to bfd_elf_generic_reloc.
(vxworks_object_p, get_howto_table): New functions.
(sh_elf_reloc_type_lookup): Fix typo. Use get_howto_table.
(sh_elf_info_to_howto): Use get_howto_table.
(sh_elf_relax_section): Honor the partial_inplace field of the
R_SH_DIR32 howto.
(sh_elf_relax_delete_bytes): Likewise.
(elf_sh_plt_info): New structure.
(PLT_ENTRY_SIZE): Replace both definitions with...
(ELF_PLT_ENTRY_SIZE): ...this new macro, with separate definitions for
INCLUDE_SHMEDIA and !INCLUDE_SHMEDIA.
(elf_sh_plt0_entry_be): Update sizes of both definitions accordingly.
(elf_sh_plt0_entry_le): Likewise.
(elf_sh_plt_entry_be, elf_sh_plt_entry_le): Likewise.
(elf_sh_pic_plt_entry_be, elf_sh_pic_plt_entry_le): Likewise.
(elf_sh_plts): New structure, with separate definitions for
INCLUDE_SHMEDIA and !INCLUDE_SHMEDIA.
(elf_sh_plt0_entry): Delete both definitions.
(elf_sh_plt_entry, elf_sh_pic_plt_entry): Likewise.
(elf_sh_sizeof_plt, elf_sh_plt_plt0_offset): Likewise.
(elf_sh_plt_temp_offset, elf_sh_plt_symbol_offset): Likewise.
(elf_sh_plt_reloc_offset): Likewise.
(movi_shori_putval): Delete in favor of...
(install_plt_field): ...this new function, with separate definitions
for INCLUDE_SHMEDIA and !INCLUDE_SHMEDIA.
(get_plt_info): New function, with separate definitions
for INCLUDE_SHMEDIA and !INCLUDE_SHMEDIA.
(elf_sh_plt0_linker_offset, elf_sh_plt0_gotid_offset): Delete.
(VXWORKS_PLT_HEADER_SIZE, VXWORKS_PLT_ENTRY_SIZE): New macros.
(vxworks_sh_plt0_entry_be, vxworks_sh_plt0_entry_le): New constants.
(vxworks_sh_plt_entry_be, vxworks_sh_plt_entry_le): Likewise.
(vxworks_sh_pic_plt_entry_be, vxworks_sh_pic_plt_entry_le): Likewise.
(get_plt_index, get_plt_offset): New functions.
(elf_sh_link_hash_table): Add srelplt2, plt_info and vxworks_p fields.
(sh_elf_link_hash_table_create): Initialize them.
(sh_elf_create_dynamic_sections): Call
elf_vxworks_create_dynamic_sections for VxWorks.
(allocate_dynrelocs): Use htab->plt_info to get the size of PLT
entries. Allocate relocation entries in .rela.plt.unloaded if
generating a VxWorks executable.
(sh_elf_always_size_sections): New function.
(sh_elf_size_dynamic_sections): Extend .rela.plt handling to
.rela.plt.unloaded.
(sh_elf_relocate_section): Use get_howto_table. Honor
partial_inplace when calculating the addend for dynamic
relocations. Use get_plt_index.
(sh_elf_finish_dynamic_symbol): Use get_plt_index, install_plt_field
and htab->plt_info. Fill in the bra .plt offset for VxWorks
executables. Populate .rela.plt.unloaded. Do not make
_GLOBAL_OFFSET_TABLE_ absolute on VxWorks.
(sh_elf_finish_dynamic_sections): Use install_plt_field and
htab->plt_info. Handle cases where there is no special PLT header.
Populate the first relocation in .rela.plt.unloaded and fix up
the remaining entries.
(sh_elf_plt_sym_val): Use get_plt_info.
(elf_backend_always_size_sections): Define.
(TARGET_BIG_SYM, TARGET_BIG_NAME): Override for VxWorks.
(TARGET_LITTLE_SYM, TARGET_BIG_SYM): Likewise.
(elf32_bed, elf_backend_want_plt_sym): Likewise.
(elf_symbol_leading_char, elf_backend_want_got_underscore): Likewise.
(elf_backend_grok_prstatus, elf_backend_grok_psinfo): Likewise.
(elf_backend_add_symbol_hook): Likewise.
(elf_backend_link_output_symbol_hook): Likewise.
(elf_backend_emit_relocs): Likewise.
(elf_backend_final_write_processing): Likewise.
(ELF_MAXPAGESIZE, ELF_COMMONPAGESIZE): Likewise.
* targets.c (bfd_elf32_shlvxworks_vec): Declare.
(bfd_elf32_shvxworks_vec): Likewise.
(_bfd_target_vector): Include bfd_elf32_shlvxworks_vec and
bfd_elf32_shvxworks_vec.
gas/
* config/tc-sh.c (apply_full_field_fix): New function.
(md_apply_fix): Use it instead of md_number_to_chars. Do not fill
in fx_addnumber for BFD_RELOC_32_PLT_PCREL.
(tc_gen_reloc): Use fx_addnumber rather than 0 as the default case.
* config/tc-sh.h (TARGET_FORMAT): Override for TE_VXWORKS.
ld/
2006-08-02 Richard Sandiford <richard@codesourcery.com>
Kazu Hirata <kazu@codesourcery.com>
Phil Edwards <phil@codesourcery.com>
* Makefile.am (ALL_EMULATIONS): Add eshelf_vxworks.o and
eshlelf_vxworks.o.
(eshelf_vxworks.c, eshlelf_vxworks.c): New rules.
* Makefile.in: Regenerate.
* configure.tgt (sh-*-vxworks): Use shelf_vxworks and
shlelf_vxworks.
* emulparams/shelf_vxworks.sh: New file.
* emulparams/shlelf_vxworks.sh: Likewise.
* emulparams/vxworks.sh (FINI): Prefix _etext with ${SYMPREFIX}.
(OTHER_END_SYMBOLS): Likewise _ehdr.
(DATA_END_SYMBOLS): Likewise _edata.
* emultempl/vxworks.em (vxworks_after_open): Check whether output_bfd
is indeed an ELF file before dealing with --force-dynamic.
ld/testsuite/
* ld-sh/rd-sh.exp: Treat vxworks1-static.d specially.
* ld-sh/sh-vxworks.exp: New file.
* ld-sh/sh.exp: Extend sh-linux SIZEOF_HEADERS handling to
sh-*-vxworks.
* ld-sh/vxworks1-le.dd, ld-sh/vxworks1-lib-le.dd,
* ld-sh/vxworks1-lib.dd, ld-sh/vxworks1-lib.nd,
* ld-sh/vxworks1-lib.rd, ld-sh/vxworks1-lib.s,
* ld-sh/vxworks1-static.d, ld-sh/vxworks1.dd,
* ld-sh/vxworks1.ld, ld-sh/vxworks1.rd, ld-sh/vxworks1.s,
* ld-sh/vxworks2-static.sd, ld-sh/vxworks2.s,
* ld-sh/vxworks2.sd, ld-sh/vxworks3-le.dd,
* ld-sh/vxworks3-lib-le.dd, ld-sh/vxworks3-lib.dd,
* ld-sh/vxworks3-lib.s, ld-sh/vxworks3.dd, ld-sh/vxworks3.s,
* ld-sh/vxworks4.d, ld-sh/vxworks4a.s, ld-sh/vxworks4b.s,
* ld-sh/reloc1.s, ld-sh/reloc1.d: New tests.
29 lines
1.2 KiB
Bash
29 lines
1.2 KiB
Bash
# If you change this file, please also look at files which source this one:
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# elf_i386_vxworks.sh elf32ppcvxworks.sh elf32ebmipvxworks.sh
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# The Diab tools use a different init/fini convention. Initialization code
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# is place in sections named ".init$NN". These sections are then concatenated
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# into the .init section. It is important that .init$00 be first and .init$99
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# be last. The other sections should be sorted, but the current linker script
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# parse does not seem to allow that with the SORT keyword in this context.
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INIT_START='_init = .;
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KEEP (*(.init$00));
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KEEP (*(.init$0[1-9]));
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KEEP (*(.init$[1-8][0-9]));
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KEEP (*(.init$9[0-8]));'
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INIT_END='KEEP (*(.init$99));'
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FINI_START='_fini = .;
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KEEP (*(.fini$00));
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KEEP (*(.fini$0[1-9]));
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KEEP (*(.fini$[1-8][0-9]));
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KEEP (*(.fini$9[0-8]));'
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FINI_END="KEEP (*(.fini\$99));
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PROVIDE (${SYMPREFIX}_etext = .);"
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ETEXT_NAME=etext_unrelocated
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OTHER_END_SYMBOLS="PROVIDE (${SYMPREFIX}_ehdr = ${TEXT_START_ADDR});"
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DATA_END_SYMBOLS=".edata : { PROVIDE (${SYMPREFIX}_edata = .); }"
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VXWORKS_BASE_EM_FILE=$EXTRA_EM_FILE
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EXTRA_EM_FILE=vxworks
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unset EMBEDDED
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