Alan Modra [Tue, 18 Feb 2003 06:06:17 +0000 (06:06 +0000)]
* elf32-ppc.h: New file.
* elf32-ppc.c: Include elf32-ppc.h.
(NOP, CROR_151515, CROR_313131, TP_OFFSET, DTP_OFFSET): Define.
(struct ppc_elf_link_hash_entry): Rename "root" to "elf". Adjust uses.
Add "tls_mask" field.
(TLS_GD, TLS_LD, TLS_TPREL, TLS_DTPREL, TLS_TLS, TLS_TPRELGD): Define.
(struct ppc_elf_link_hash_table): Rename "root" to "elf". Adjust uses.
Add got, relgot, plt, relplt, dynbss, relbss, dynsbss, relsbss,
sdata, sdata2, tls_sec, tls_get_addr, tlsld_got fields.
Make use of htab shortcuts throughout file.
(ppc_elf_link_hash_newfunc): Init tls_mask field.
(ppc_elf_link_hash_table_create): Init new fields.
(ppc_elf_copy_indirect_symbol): Copy tls_mask.
(ppc_elf_howto_raw): Add tls relocs.
(ppc_elf_reloc_type_lookup): Handle them.
(ppc_elf_unhandled_reloc): New function.
(ppc_elf_create_got): Stash got section pointer in hash table,
return status. Make .rela.got too.
(ppc_elf_create_dynamic_sections): Stash section pointers in htab.
(ppc_elf_adjust_dynamic_symbol): Only set up copy relocs when
NON_GOT_REF set. Don't allocate space in .plt here..
(allocate_dynrelocs): ..do so here instead, properly ref-counting and
not allocating plt entries unnecessarily. Allocate got entries here.
(WILL_CALL_FINISH_DYNAMIC_SYMBOL): Define.
(ppc_elf_size_dynamic_sections): Allocate local got entries. Pass
"info" during allocate_dynrelocs hash traversal. Use htab section
shortcuts rather than searching for named sections. Get rid of
"plt" and "strip" booleans.
(update_local_sym_info, bad_shared_reloc): New functions.
(ppc_elf_check_relocs): Handle TLS relocs. Move .rela.got creation to
ppc_elf_create_got. Don't mark got or plt reloc syms dynamic, do so
in allocate_dynreloc. Use update_local_sym_info and bad_shared_reloc.
Disallow R_PPC_EMB_RELSDA, R_PPC_EMB_NADDR32, R_PPC_EMB_NADDR16,
R_PPC_EMB_NADDR16_LO, R_PPC_EMB_NADDR16_HI and R_PPC_EMB_NADDR16_HA
in shared libs. R_PPC_PLTREL32 is a plt reloc too. Refcount all
relocs that might use a plt entry. Set NON_GOT_REF too.
Enumerate all do-nothing relocs.
(ppc_elf_gc_sweep_hook): Simplify removal of dynrelocs. Handle
tls relocs and all plt relocs.
(ppc_elf_tls_setup, ppc_elf_tls_optimize): New functions.
(ppc_elf_finish_dynamic_symbol): Don't build got entries here.
(ppc_elf_finish_dynamic_sections): Rewrite tag code using htab
shortcuts.
(ppc_elf_relocate_section): Tidy. Handle TLS relocs. Use
bfd_elf_local_sym_name. Simplify unresolved reloc code. Build got
entries and got relocs here. Warn on non-zero got reloc addend.
Split out branch taken/not taken reloc code into a separate switch
and correct offset calculation. Allow BRTAKEN/BRNTAKEN dynamic relocs.
Split out HA reloc adjustments to separate switch statement. Don't
warn on reloc overflow if we've already warned about undefined.
Don't rebuild sym name when reporting errors. Report all possible
errors from _bfd_final_link_relocate.
(bfd_elf32_bfd_final_link): Don't define.
* configure.in (Makefile): Use the test ${target} != ${host},
instead of the absence of the "nm.h" file, to determine of the
configuration non-native.
* configure: Regenerate.
Nick Clifton [Fri, 14 Feb 2003 11:16:09 +0000 (11:16 +0000)]
Change embedded documentation to use consistent indentation and to split up
long lines. Change informal style of description for functions lacking real
documentation.
Alan Modra [Thu, 13 Feb 2003 23:48:31 +0000 (23:48 +0000)]
* elf64-ppc.c (ppc64_elf_link_hash_table_create): Init tls_get_addr.
(ppc64_elf_copy_indirect_symbol): Merge tls_mask too.
(ppc64_elf_gc_sweep_hook): Simplify removal of dyn_relocs.
(allocate_dynrelocs): Don't treat undefined and undefweak specially.
(ppc_size_one_stub): Fix warning, and tighten plt entry check.
(group_sections): Don't share a stub section if stubs are for a large
section. Adjust comment.
(ppc64_elf_size_stubs): Roughly double the size left for stubs if
!stubs_always_before_branch.
(ppc64_elf_relocate_section): Initialize tlsld GOT entry once. Don't
treat undefined and undefweak specially when processing dyn relocs.
* x86-64-tdep.c (x86_64_extract_return_value)
(x86_64_store_return_value): Use regcache instead of regbuf.
(x86_64_gdbarch_init): Change related set_gdbarch_* functions.
* x86-64-linux-nat.c (fill_gregset): Use regcache.
Kaz Kojima [Mon, 10 Feb 2003 22:17:18 +0000 (22:17 +0000)]
* elf32-sh.c (elf_sh_dyn_relocs): Add tls_tpoff32 field.
(elf_sh_link_hash_entry): Remove tls_tpoff32 field.
(sh_elf_link_hash_newfunc): Remove the initialization of
tls_tpoff32 field.
(allocate_dynrelocs): Keep dyn_relocs if it includes the entry
for which tls_tpoff32 flag is set.
(sh_elf_relocate_section): Covert to LE only if the dyn_relocs
of the symbol includes the entry matched with the input_section
and having tls_tpoff32 flag on. When linking statically, set
symbol index of R_SH_TLS_TPOFF32 relocation to zero if the symbol
is defined in this executable.
(sh_elf_check_relocs): Set tls_tpoff32 flag appropriately.
Alan Modra [Sun, 9 Feb 2003 23:17:57 +0000 (23:17 +0000)]
* elf64-ppc.c: Rename assorted occurrences of tls_type and similar
variables, structure fields or function params to tls_mask or
similar to better reflect usage.
(struct got_entry): Comment.
(struct ppc_link_hash_entry): Expand comment, and renumber TLS_*.
(get_tls_mask): Rename from get_tls_type.
Alan Modra [Sun, 9 Feb 2003 04:36:23 +0000 (04:36 +0000)]
* elf64-ppc.c (TLS_GD_LD): Don't define..
(TLS_GD): ..define this instead and update all uses.
(TLS_TPRELGD): Define.
(ppc64_elf_link_hash_table_create): Tweak initialization of
init_refcount and init_offset.
(ppc64_elf_check_relocs): Add one extra element to t_symndx array.
Mark second slot of GD or LD toc entries.
(get_tls_type): Return an int. Distinguish toc GD and LD entries
from other tls types.
(ppc64_elf_tls_setup): New function, split out from..
(ppc64_elf_tls_optimize): ..here. Don't optimize when symbols are
defined in a dynamic object. Fix LD optimization. Don't set TLS_TPREL
on GD->IE optimization, use TLS_TPRELGD instead. Use get_tls_type
return value to properly decide whether toc GD and LD entries can
optimize away __tls_get_addr call. Check next reloc after DTPMOD64
to determine GD or LD rather than looking at TLS_LD flag. Don't
attempt to adjust got entry tls_type here..
(allocate_dynrelocs): ..instead, adjust got entry tls_type here, and
look for possible merges.
(ppc64_elf_size_dynamic_sections): Adjust local got entries for
optimization.
(ppc64_elf_size_stubs): Tweak __tls_get_addr fudge.
(ppc64_elf_relocate_section): Rename some vars to better reflect usage.
Make use of return value from get_tls_type to properly detect GD and
LD optimizations. Split tlsld/gd hi/ha from lo/ds case. Don't
handle tls_get_addr removal when looking at REL24 relocs, do it when
looking at the previous reloc. Check reloc after DTPMOD64 to determine
GD or LD.
* elf64-ppc.h (ppc64_elf_tls_setup): Declare.
gas/
* config/tc-mips.c (reloc_needs_lo_p): New function.
(fixup_has_matching_lo_p): New function.
(append_insn): Use reloc_needs_lo_p to check whether a relocation
might need a matching %lo(). Reuse the head of mips_hi_fixup_list
if that fixup already has a matching %lo(). Don't call frag_wane here.
(macro): Call frag_wane here if the last unmatched hi was in the
current frag.
(pic_need_relax): New function, split out from...
(md_estimate_size_before_relax): ...here.
(mips_frob_file): Use reloc_needs_lo_p. Use pic_need_relax to test
whether BFD_RELOC_MIPS_GOT16 fixups refer to global symbols.
gas/testsuite/
* gas/mips/rel12.[sd], gas/mips/rel13.[sd]: New tests.
* gas/mips/mips.exp: Run them.
Nick Clifton [Fri, 7 Feb 2003 15:32:22 +0000 (15:32 +0000)]
Add duplicate entry for no-pipeline-knowledge. This will prevent the getopt
package from thinking that there are any shorter abbreviations for
--no-pipeline-knowledge.