2001-10-31 Chris Demetriou <cgd@demetriou.com>
* elf32-mips.c (_bfd_mips_elf_hi16_reloc): Handle PC-relative
relocations properly.
[ gas/ChangeLog ]
2001-10-31 Chris Demetriou <cgd@broadcom.com>
* config/tc-mips.c (HAVE_32BIT_ADDRESSES): If compiling embedded
PIC code, assume pointers the same size as GPRs.
(macro): In M_LA_AB handling for embedded PIC code, support
"la $treg,foo-bar($breg)". In load/store handling
(label ld_st) support "<op> $treg,<sym>-<local_sym>($breg)"
which is used by the compiler for switch statements.
In load/store double multi-instruction macro handling
(label ldd_std) add a comment that no special handling
is currently done for embedded PIC.
(mips_ip): In 'o' (16-bit offset) case, only accept 16
bit offsets.
[ gas/testsuite/ChangeLog ]
2001-10-31 Chris Demetriou <cgd@broadcom.com>
* gas/mips/empic.s: Undo damage inflicted on 2000-12-02.
* gas/mips/empic.d: Likewise.
* gas/mips/elempic.d: Likewise (it was copied into other files).
* gas/mips/telempic.d: Likewise.
* gas/mips/tempic.d: Likewise.
* gas/mips/empic2.s: New test to check new 'la' and 'lw' (and
related ops) syntax, test loads with large offsets.
* gas/mips/emcic2.d: Likewise.
* gas/mips/mips.exp: Run the new test on ELF platforms.
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
* elf32-mips.c (mips_elf_calculate_relocation): Revert the last
2 changes.
(_bfd_mips_elf_adjust_dynamic_symbol): Allocate dynamic
relocations for weak definitions.
* elf32-mips.c (mips_elf_create_dynamic_relocation): Add more
sanity check.
(mips_elf_calculate_relocation): Create dynamic relocation for
symbols with weak definition or the ELF_LINK_HASH_DEF_REGULAR
bit is not set.
* elf32-mips.c (_bfd_mips_elf_hide_symbol): Add prototype.
(_bfd_mips_elf_copy_indirect_symbol): Likewise.
(_bfd_elf32_mips_grok_prstatus): Likewise.
(_bfd_elf32_mips_grok_psinfo): Likewise.
(_bfd_mips_elf_hide_symbol): Make it static and cast to
`struct mips_elf_link_hash_entry *'.
(_bfd_mips_elf_copy_indirect_symbol): Make it static.
and _bfd_elfcore_strndup.
(struct elf_backend_data): Add elf_backend_grok_prstatus
and elf_backend_grok_psinfo.
* elf.c (_bfd_elfcore_make_pseudosection): New function.
(elfcore_grok_prstatus): Use it.
(elfcore_make_note_pseudosection): Likewise.
(elfcore_strndup): Rename to...
(_bfd_elfcore_strndup): Here, and make global.
(elfcore_grok_psinfo): Use _bfd_elfcore_strndup.
(elfcore_grok_note): Call elf_backend_grok_prstatus
and elf_backend_grok_psinfo if available.
* elf32-mips.c (_bfd_elf32_mips_grok_prstatus): New function.
(_bfd_elf32_mips_grok_psinfo): New function.
(elf_backend_grok_prstatus): Define.
(elf_backend_grok_psinfo): Define.
* elfxx-target.h (elf_backend_grok_prstatus): Default to NULL.
(elf_backend_grok_psinfo): Likewise.
(elfNN_bed): Include elf_backend_grok_prstatus and
elf_backend_grok_psinfo.
* elf32-mips.c (mips_elf_link_hash_entry): Add a new field,
readonly_reloc, to record if a relocation in the .rel.dyn
section is against a read-only section.
(mips_elf_link_hash_newfunc): Initialize the readonly_reloc
field to false.
(_bfd_mips_elf_check_relocs): Record if there is a relocation
in the .rel.dyn section against a read-only section by setting
DF_TEXTREL or readonly_reloc.
(_bfd_mips_elf_copy_indirect_symbol): Copy readonly_reloc if
it is true.
(_bfd_mips_elf_adjust_dynamic_symbol): Record DF_TEXTREL if
there is a relocation in the .rel.dyn section against a
read-only section.
(_bfd_mips_elf_size_dynamic_sections): Set DT_TEXTREL if
DF_TEXTREL is set.
* elf.c (_bfd_elf_link_hash_hide_symbol): Set dynindx to -1
only for ELF_LINK_FORCED_LOCAL.
* elf32-hppa.c (elf32_hppa_hide_symbol): Likewise.
* elf32-mips.c (_bfd_mips_elf_hide_symbol): Likewise.
* elfxx-ia64.c (elfNN_ia64_hash_hide_symbol): Likewise.
* elflink.h (elf_fix_symbol_flags): Set ELF_LINK_FORCED_LOCAL
if the symbol has hidden or internal visibility.
* config.bfd (mips*el*-*-linux-gnu*): Use traditional little
endian MIPS ELF target.
* config.bfd (mips*-*-linux-gnu*): Use traditional big endian
MIPS ELF target.
* configure.in (bfd_elf64_tradbigmips_vec): New. Traditional
64bit big endian MIPS ELF target.
(bfd_elf64_tradlittlemips_vec): New. Traditional 64bit little
endian MIPS ELF target.
* configure: Regenerated.
* elf32-mips.c (IRIX_COMPAT): Handle traditional 64bit and
little endian targets.
(mips_elf_sym_is_global): Handle traditional targets.
* elf64-mips.c (bfd_elf64_tradbigmips_vec): New. Traditional
64bit big endian MIPS ELF target.
(bfd_elf64_tradlittlemips_vec): New. Traditional 64bit little
endian MIPS ELF target.
* targets.c: (_bfd_target_vector): Add bfd_elf64_tradbigmips_vec
and bfd_elf64_tradlittlemips_vec.
From Ralf Baechle <ralf@gnu.org>
* elf32-mips.c (elf32_mips_merge_private_bfd_data): Always permit
BFDs containing no sections or empty .text, .data or .bss sections
to be merged, regardless of their flags.
From Ralf Baechle <ralf@gnu.org>
* elf32-mips.c (mips_elf_create_dynamic_relocation): New argument
local_p. Add symbol value only for non-R_MIPS_REL32 relocations
against local symbols.
(_bfd_mips_elf_finish_dynamic_sections): Undo patch from 2000-10-01.
From Ralf Baechle <ralf@gnu.org>
* elf32-mips.c (_bfd_mips_elf_finish_dynamic_sections): Mark gld
produces binaries with got[1] = 0x80000001 to differenciate them
for the dynamic linker from the broken binaries produced by old
versions.
* elf32-arm.h (elf32_arm_size_dynamic_sections): Also set
DF_TEXTREL if DT_TEXTREL is set.
* elf32-i370.c (i370_elf_size_dynamic_sections): Likewise.
* elf32-i386.c (elf_i386_size_dynamic_sections): Likewise.
* elf32-m68k.c (elf_m68k_size_dynamic_sections): Likewise.
* elf32-mips.c (_bfd_mips_elf_size_dynamic_sections): Likewise.
* elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise.
* elf32-sparc.c (elf32_sparc_size_dynamic_sections): Likewise.
* elf64-alpha.c (elf64_alpha_size_dynamic_sections): Likewise.
* elf64-hppa.c (elf64_hppa_size_dynamic_sections): Likewise.
* elf64-ia64.c (elf64_ia64_size_dynamic_sections): Likewise.
* elf64-sparc.c (sparc64_elf_size_dynamic_sections): Likewise.
* bfd/elflink.h (NAME(bfd_elf,size_dynamic_sections)): Also
set DF_SYMBOLIC for symbolic link. Also set DT_RUNPATH if
DT_RPATH is set.
Set the DT_FLAGS and DT_FLAGS_1 entries if necessary.
Enable the support for Traditional MIPS.
* elf32-mips.c (IRIX_COMPAT): Recognize bfd_elf32_tradbigmips_vecand
return ict_none appropriately for traditional mips targets.
(STUB_LW): Change 0x8f998000 to 0x8f998010 for traditional mips.
(STUB_MOVE): Conditionalize for traditonal mips.
(STUB_LI16): Likewise.
(_bfd_mips_elf_modify_segment_map): Conditionalize to avoid making
room for RTPROC header.
(_bfd_mips_elf_modify_segment_map): For a normal mips executable set
the permission for the PT_DYNAMIC as read, write and execute.
(mips_elf_calculate_relocation): Check for the symbol _DYNAMIC_LINKING
for traditonal mips.
(_bfd_mips_elf_create_dynamic_sections): Add the symbol
_DYNAMIC_LINKING for traditonal mips.
(_bfd_mips_elf_create_dynamic_sections): Add the symbol __RLD_MAP
in case of traditonal mips.
(_bfd_mips_elf_adjust_dynamic_symbol): Create a stub only if a PLT
entry is required. For a function if PLT is not required then set the
corresponding hash table entry to 0.
(_bfd_mips_elf_size_dynamic_sections): Add DT_DEBUG entry for
traditonal mips.
(_bfd_mips_elf_finish_dynamic_symbol): for a undefined symbol in a
shared object set the value to 0.
(_bfd_mips_elf_finish_dynamic_symbol): Check for the symbol
_DYNAMIC_LINKING for traditonal mips.
(_bfd_mips_elf_finish_dynamic_symbol): Check for the symbol __RLD_MAP
for traditonal mips.
* elf32-mips.c (sort_dynamic_relocs): New Function.
(_bfd_mips_elf_finish_dynamic_sections): Call sort_dynamic_relocs
via qsort to sort the dynamic relocations in increasing r_symndx
value.
* elf-bfd.h (struct elf_obj_tdata): Define per BFD Irix 5 virtual
sections elf_{text,data}_{section,symbol}.
* elf32-mips.c: mips_elf_{text,data}_{section,symbol}{,_ptr}: Remove.
(_bfd_mips_elf_hide_symbol): New function.
(elf_backend_hide_symbol): Map to the new function.
(_bfd_mips_elf_add_symbol_hook): Change to use new per BFD
definitions of mips_elf_{text,data}_{section,symbol}.
(mips_elf_local_relocation_p): Try to find the direct symbol
based on new check_forced argument.
(mips_elf_calculate_relocation): Use new version of
mips_elf_local_relocation_p.
(mips_elf_relocate_section): Likewise.
(_bfd_mips_elf_relocate_section): Likewise.
(mips_elf_sort_hash_table): Only assert that have enough GOT
space.
(mips_elf_got16_entry): Match all 32 bits to the existing GOT
entry if the relocation based on the new external argument.
(mips_elf_create_dynamic_relocation): Assert that we have a
section contents allocated where we can swap out the dynamic
relocations.
(mips_elf_calculate_relocation): Find the real hash-table entry
correctly by using h->root.root.type. Only create a dynamic
relocation entry if the symbol is defined in a shared library.
Create an external GOT entry for the GOT16 relocation if the
symbol was forced local.
(_bfd_mips_elf_finish_dynamic_symbol): Don't assert there is a
dynamic index if the symbol was forced local.
2000-06-20 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
* elf32-mips.c: Fix typos in comments.
* elf32-mips.c (mips_elf_next_relocation): Rename from
mips_elf_next_lo16_relocation, and generalize to look
for any relocation type.
(elf_mips_howto_table): Make R_MIPS_PC16 pcrel_offset.
(elf_mips_gnu_rel_hi16): Howto for R_MIPS_GNU_REL_HI16.
(elf_mips_gnu_rel_lo16): Howto for R_MIPS_GNU_REL_LO16.
(elf_mips_gnu_rel16_s2): Howto for R_MIPS_GNU_REL16_S2.
(elf_mips_gnu_pcrel64): Howto for R_MIPS_PC64.
(elf_mips_gnu_pcrel32): Howto for R_MIPS_PC32.
(bfd_elf32_bfd_reloc_type_lookup): Add new relocs.
(mips_rtype_to_howto): Likewise.
(mips_elf_calculate_relocation): Handle new relocs.
(_bfd_mips_elf_relocate_section): REL_HI16/REL_LO16 relocs
are paired. The addend for R_MIPS_GNU_REL16_S2
is shifted right two bits.
In gas/:
* config/tc-mips.c (mips_ip): Don't put stuff in .rodata
when embedded-pic.
* config/tc-mips.c (SWITCH_TABLE): The ELF embedded-pic
implementation doesn't have special handling for switch
statements.
(macro_build): Allow for code in sections other than .text.
(macro): Likewise.
(mips_ip): Likewise.
(md_apply_fix): Do pc-relative relocation madness for MIPS ELF.
Don't perform relocs if we will be outputting them.
(tc_gen_reloc): For ELF, just use fx_addnumber for pc-relative
relocations. Allow BFD_RELOC_16_PCREL_S2 relocs when
embedded-pic.
In gas/testsuite/:
* gas/mips/empic.d: New file.
* gas/mips/empic.s: New file.
* gas/mips/mips16-e.d: New file.
* gas/mips/mips16-e.s: New file.
* gas/mips/mips16-f.d: New file.
* gas/mips/mips16-f.s: New file.
* gas/mips/mips.exp: Add empic, mips16-e. Add mips16-f as an
expected failure.
In include/elf:
* mips.h: Add R_MIPS_GNU_REL_HI16, R_MIPS_GNU_REL_LO16,
R_MIPS_GNU_REL16_S2, R_MIPS_PC64 and R_MIPS_PC32 relocation
numbers.
If it passed as non-NULL, use it to check whether any input BFD
has an input section which uses this output section. Change all
callers.
* bfd-in2.h: Rebuild.
* bfd-in.h: Move declarations of bfd_get_elf_phdr_upper_bound and
bfd_get_elf_phdrs in from bfd-in2.h, correcting patch of
1999-11-29.
* bfd-in2.h: Rebuild.
relocs also need the GP value.
(_bfd_mips_elf_relocate_section): Handle unpaired LO16 relocs
properly. Handle sign-extension for R_MIPS_64 correctly. Correct
the GP value for R_MIPS_LITERAL relocs too. Handle
R_MIPS_64 relocs properly on big-endian MIPS.
(mips_elf_sign_extend): Behave properly with 'long long'.
(mips_elf_highest): Correct typo.
for special section symbols.
* elflink.h (elf_merge_symbol): If we have no old BFD, check
BSF_DYNAMIC on the section symbol to see whether the old BFD is
dynamic.
the size of a GOT entry here.
(mips_elf_calculate_relocation): Don't create a local GOT entry
for the symbol in a GOT16 relocation; just for it's high-order bit
(_bfd_mips_elf_relocate_section): Fix thinko.
(mips_elf_next_lo16_relocation): Don't compute the addend here.
Just return the relocation found.
(mips_elf_relocate_section): Pull the LO16 addend out of the
section itself when using REL relocations.
and R_MIPS16_26 relocations correctly when relocating.
(_bfd_mips_elf_check_relocs): Don't assume that R_MIPS_CALL_HI16
and R_MIPS_CALL_LO16 are for global symbols.
there are no global symbols requiring GOT entries.
(_bfd_mips_elf_size_dynamic_sections): Likewise.
(_bfd_mips_elf_finish_dynamic_symbol): Likewise.
(_bfd_mips_elf_finish_dynamic_sections): Likewise.
symbols are considered to have the value zero.
(_bfd_mips_elf_relocate_section): Don't try to perform a
relocation for an undefined symbol.
(_bfd_mips_elf_check_relocs): Allocate locate GOT space for local
GOT16 relocations.
(elf_bfd_final_link): Use it.
(elf_link_input_bfd): Deal with the fact that there can be
two relocation sections for a single section.
(elf_reloc_link_order): Likewise.
* elf32-mips.c (_bfd_mips_elf_final_link): Don't set GP for
a relocateable object.
(_bfd_mips_elf_relocate_section): Handle relocateable links.
function.
(mips_elf_next_lo16_addend): Call bfd_set_error on failure.
(mips_elf_calculate_relocation): Use mips_elf_local_relocation_p.
Always set *require_jalxp.
(mips_elf_stub_section_p): Mark abfd parameter as unused.
(_bfd_mips_elf_relocate_section): Only look for LO16 following
GOT16 if the GOT16 is against a local symbol. Don't return false
for an undefined symbol. If there is an overflow, assert that we
have a name.
a PT_PHDR program headers.
(_bfd_mips_elf_final_link): Don't assume there are going to be
section symbols when we're not building a shared object.
(_bfd_mips_elf_check_relocs): Make sure we have a GOT when
we need one.
(mips_elf_calculate_relocation): Handle MIPS16 stub functions.
(mips_elf_relocate_section): Adjust calling sequence for
mips_elf_calculate_relocation and mips_elf_perform_relocation.
(mips_elf_perform_relocation): Turn `jal' into `jalx' where
required.
(_bfd_mips_elf_size_dynamic_sections): Set it.
(_bfd_mips_elf_final_link): Re-sort; verify the got did not grow.
(mips_elf_sort_hash_table): Set max_non_got_dynindex based off
new argument max_local.
