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author | Richard Sandiford <rdsandiford@googlemail.com> | 2006-08-04 13:13:56 +0000 |
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committer | Richard Sandiford <rdsandiford@googlemail.com> | 2006-08-04 13:13:56 +0000 |
commit | 55e6e39790fd27daea0bf1af3b9a7797c735a79f (patch) | |
tree | ab971292b183f901480f70778f64119d5dec2b65 /gas/config/tc-sh.c | |
parent | 9b86ba52c41d646787839bf0788ab66df66c9f1a (diff) | |
download | gdb-55e6e39790fd27daea0bf1af3b9a7797c735a79f.zip gdb-55e6e39790fd27daea0bf1af3b9a7797c735a79f.tar.gz gdb-55e6e39790fd27daea0bf1af3b9a7797c735a79f.tar.bz2 |
bfd/
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.
Diffstat (limited to 'gas/config/tc-sh.c')
-rw-r--r-- | gas/config/tc-sh.c | 41 |
1 files changed, 29 insertions, 12 deletions
diff --git a/gas/config/tc-sh.c b/gas/config/tc-sh.c index 554b4cc..f33c1c5 100644 --- a/gas/config/tc-sh.c +++ b/gas/config/tc-sh.c @@ -3782,6 +3782,28 @@ sh_elf_final_processing (void) } #endif +/* Apply fixup FIXP to SIZE-byte field BUF given that VAL is its + assembly-time value. If we're generating a reloc for FIXP, + see whether the addend should be stored in-place or whether + it should be in an ELF r_addend field. */ + +static void +apply_full_field_fix (fixS *fixP, char *buf, bfd_vma val, int size) +{ + reloc_howto_type *howto; + + if (fixP->fx_addsy != NULL || fixP->fx_pcrel) + { + howto = bfd_reloc_type_lookup (stdoutput, fixP->fx_r_type); + if (howto && !howto->partial_inplace) + { + fixP->fx_addnumber = val; + return; + } + } + md_number_to_chars (buf, val, size); +} + /* Apply a fixup to the object file. */ void @@ -3982,11 +4004,11 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) case BFD_RELOC_32: case BFD_RELOC_32_PCREL: - md_number_to_chars (buf, val, 4); + apply_full_field_fix (fixP, buf, val, 4); break; case BFD_RELOC_16: - md_number_to_chars (buf, val, 2); + apply_full_field_fix (fixP, buf, val, 2); break; case BFD_RELOC_SH_USES: @@ -4018,8 +4040,7 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) val = fixP->fx_offset; if (fixP->fx_subsy) val -= S_GET_VALUE (fixP->fx_subsy); - fixP->fx_addnumber = val; - md_number_to_chars (buf, val, 4); + apply_full_field_fix (fixP, buf, val, 4); break; case BFD_RELOC_SH_GOTPC: @@ -4040,7 +4061,7 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) was used to store the correction, but since the expression is not pcrel, I felt it would be confusing to do it this way. */ * valP -= 1; - md_number_to_chars (buf, val, 4); + apply_full_field_fix (fixP, buf, val, 4); break; case BFD_RELOC_SH_TLS_GD_32: @@ -4051,7 +4072,7 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) case BFD_RELOC_32_GOT_PCREL: case BFD_RELOC_SH_GOTPLT32: * valP = 0; /* Fully resolved at runtime. No addend. */ - md_number_to_chars (buf, 0, 4); + apply_full_field_fix (fixP, buf, 0, 4); break; case BFD_RELOC_SH_TLS_LDO_32: @@ -4059,7 +4080,7 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) S_SET_THREAD_LOCAL (fixP->fx_addsy); /* Fallthrough */ case BFD_RELOC_32_GOTOFF: - md_number_to_chars (buf, val, 4); + apply_full_field_fix (fixP, buf, val, 4); break; #endif @@ -4262,12 +4283,8 @@ tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp) else if (shmedia_init_reloc (rel, fixp)) ; #endif - else if (fixp->fx_pcrel) - rel->addend = fixp->fx_addnumber; - else if (r_type == BFD_RELOC_32 || r_type == BFD_RELOC_32_GOTOFF) - rel->addend = fixp->fx_addnumber; else - rel->addend = 0; + rel->addend = fixp->fx_addnumber; rel->howto = bfd_reloc_type_lookup (stdoutput, r_type); |