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relative fixup to an absolute symbol.
PR 11204.
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* config/obj-elf.c (elf_frob_file): Move ECOFF debug processing to ...
(elf_frob_file_after_relocs): ... here. New function.
* config/obj-elf.h (obj_from_file_after_relocs): New macro.
* write.c (write_object_file): Call *frob_after_relocs after the
call to write_relocs.
* config/tc-alpha.c: Use new BFD_RELOC_ALPHA_ELF_LITERAL reloc.
* config/tc-alpha.c (load_expression): Don't SET_VALUE on the section
symbol, as this messes up linking. Instead, expand the recursive call
inline and change up the appropriate bits to get the 0x8000 offset
in the reloc addend.
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defined.
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(default_emul_bfd_name): Add return NULL to avoid warning.
* ecoff.c (ecoff_stab): Remove unused variables name and
name_end.
* frags.c (frag_new): Remove unused variable tmp.
* hash.c (hash_grow): Parenthesize + within <<.
(hash_print_statistics): Use %lu, not %d, to print unsigned
long variables.
* messages.c: Include "libiberty.h".
(fprint_value): Add cast to avoid printf warning.
(sprint_value): Likewise.
* read.c: Include "ecoff.h".
(emit_expr): Add casts to avoid printf warnings.
* read.h: Use extern for function declarations.
(pop_insert): Declare.
* stabs.c: Include "ecoff.h".
* subsegs.c (subseg_set_rest): Remove unused variables tmp,
former_last_fragP, and new_fragP.
* subsegs.h (subsegs_print_statistics): Declare.
* symbols.c (debug_verify_symchain): Change macro to discard
arguments.
* write.c (dump_section_relocs): Likewise.
* write.h: Use extern for function declarations.
(write_print_statistics): Declare.
* config/e-mipsecoff.c (mipsecoff_bfd_name): Return NULL to avoid
warning.
* config/e-mipself.c (mipself_bfd_name): Likewise.
* config/obj-elf.h (elf_ecoff_set_ext): Declare.
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<schwab@issan.informatik.uni-dortmund.de>
Support for OBJ_ELF on m68k, mostly inside #ifdef OBJ_ELF:
* config/m68k-parse.h (enum pic_relocation): Define.
(struct m68k_exp): Add pic_reloc field.
* config/tc-m68k.h (TC_RELOC_RTSYM_LOC_FIXUP): Define.
(tc_fix_adjustable): Define to call tc_m68k_fix_adjustable.
(NO_RELOC): Define to BFD_RELOC_NONE if BFD_ASSEMBLER, to zero
otherwise.
* config/tc-m68k.c: Delete definition of NO_RELOC.
(struct m68k_it): Add pic_reloc field.
(add_fix): Copy over pic_reloc field.
(md_pseudo_table): Interpret .align parameter as byte count.
(mote_pseudo_table): Likewise.
(tc_m68k_fix_adjustable): New function.
(get_reloc_code): New function.
(md_assemble): Use it as last argument to fix_new_exp.
(md_apply_fix_2): For a relocation against a symbol don't put the
addend into the data.
(tc_gen_reloc): Different addend computation for OBJ_ELF.
(m68k_ip): Don't relax an operand that requires pic relocation.
(md_begin): Align .text, .data and .bss on 4 byte boundary by
default.
* write.c (fixup_segment): Don't add symbol value to addend if
TC_M68K and OBJ_ELF.
* config/m68k-parse.y (yylex): Handle @PLTPC, etc.
(motorola_operand): Add rule for `(zapc, EXPR)'.
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relaxing, in case md_convert_frag, called by cvt_frag_to_fill,
wants to call fix_new.
* config/tc-m68k.c (m68k_ip): Permit PC relative code if the
segment of the symbol is the current segment, not just in
text_section.
(md_convert_frag_1): Don't call subseg_change.
(md_estimate_size_before_relax): Likewise.
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* write.c (fixup_segment): Remove change of 29th.
* config/tc-{i386,arm}.h (TC_FORCE_RELOCATION): Keep RVA relocs.
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* write.c (record_alignment): Likewise.
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before checking sy_mri_common.
(fixup_segment): Likewise.
* config/obj-coff.c (fixup_segment): Likewise.
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* read.h (mri_comon_symbol): Declare.
(s_mri_common): Declare.
* read.c (mri_line_label): New static variable.
(mri_common_symbol): New global variable.
(potable): Add "common" and "common.s".
(read_a_source_file): In MRI mode, set mri_line_label for a label
at the start of a line.
(s_mri_common): New function.
(s_space): Handle mri_common_symbol.
* symbols.c (colon): Change return value from void to symbolS *,
and return new symbol. If mri_common_symbol is set, attach the
new symbol to it.
(resolve_symbol_value): Handle an sy_mri_common symbol.
* symbols.h (colon): Change return value in declaration.
* subsegs.c (subseg_set_rest): Clear mri_common_symbol.
(subseg_set (both versions)): Likewise.
* frags.c (frag_more): Warn if mri_common_symbol is not NULL.
* write.c (adjust_reloc_syms): Skip sy_mri_common symbols.
(write_object_file): Discard sy_mri_common symbols.
(fixup_segment): Change relocations against sy_mri_common symbols
to be against the common symbol itself.
* config/obj-coff.c (yank_symbols): Discard sy_mri_common symbols.
(fixup_segment): Change relocations against sy_mri_common symbols
to be against the common symbol itself.
* config/obj-aout.c (obj_crawl_symbol_chain): Discard
sy_mri_common symbols.
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LINKER_RELAXING_SHRINKS_ONLY is defined.
* config/tc-i960.h (LINKER_RELAXING_SHRINKS_ONLY): Define it.
* doc/internals.texi (Relaxation): Write up some stuff on linker relaxing and
LINKER_RELAXING_SHRINKS_ONLY.
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* write.c (fixup_segment): Pass fixP to TC_RELOC_RTSYM_LOC_FIXUP,
not fixP->fx_r_type.
* config/tc-sparc.c (sparc_pic_code): New global variable.
(md_apply_fix): If generating PIC, adjust fx_addnumber for any non
PC relative reloc.
(tc_gen_reloc): If generating PIC, adjust various reloc types.
Remove fx_pcrel assert, since it is no longer true.
(md_parse_option): Handle -K PIC.
* config/tc-sparc.h (sparc_pic_code): Declare if OBJ_ELF.
(TC_RELOC_RTSYM_LOC_FIXUP): Define if OBJ_ELF.
(tc_fix_adjustable): Don't adjust PC relative relocs if PIC.
* config/tc-i386.h (TC_RELOC_RTSYM_LOC_FIXUP): Take a fixp, not a
reloc type.
PR 7131.
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* config/obj-vms.c: Changed exported function names to lower case. (Changed
call sites in write.c.) Declare VMS system function names used, conditional on
actually being on VMS. Changed many functions that returned no useful value to
now be declared to return void. Removed many unused variables. Supply missing
return statements or values. Supply `default' case in switch statements.
Ensure local variables get initialized.
* config/tc-vax.c: Minor changes to silence "gcc -Wall".
* config/obj-vms.h, config/tc-vax.h: Added some missing declarations.
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use it.
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* read.c (s_space): Rewrite to handle general expressions. Generate rs_space
frags for non-constant values.
* write.c (cvt_frag_to_fill): Treat rs_align_code and rs_space like rs_align
and rs_org. Verify that fr_offset is non-negative, and force frag type to
rs_fill only after assertion checks.
(relax_segment): Treat rs_align_code like rs_align. Treat rs_space like rs_org
in the first switch; in the second, force the operand to a constant, and use it
for the growth size.
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and fx_addsy fields.
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calling fix_new_exp recursively.
(adjust_reloc_syms): If a fixup's symbol value is a sum of an undefined symbol
and a constant, fold the constant into the fixup, and refer to the undefined
symbol directly. Then process the fixup again from scratch.
(write_object_file): Before calling adjust_reloc_syms, make a pass through the
symbol list trying to resolve values.
(print_fixup): New routine, for debugging.
(write_relocs): Call bfd_install_relocation. Deleted various hacks for working
around problems with bfd_perform_relocation.
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processing same-section pcrel relocations.
(TC_RELOC_RTSYM_LOC_FIXUP): Default to 1.
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* as.c (parse_args): Set them. Don't accept -1 option, or -v
explicitly (it's a synonym for --version).
* as.c, input-scrub.c, messages.c, read.c, symbols.c, write.c,
config/obj-aout.c, config/obj-aout.h, config/obj-bout.c,
config/obj-bout.h, config/obj-coff.c, config/obj-coff.h,
config/obj-vms.c, config/tc-hppa.c, config/tc-i386.c,
config/tc-i960.c, config/tc-m68k.c, config/tc-mips.c,
config/tc-vax.c: Use the new flag variables instead of flagseen.
* config/tc-vax.c [OBJ_VMS]: Recognize -+, -1, -v, and document in
usage.
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BFD_ASSEMBLER.
* subsegs.c (subseg_change): Initialize fix_tail field.
(subseg_get): Likewise.
* write.c (frags_chained): New static variable.
(fix_new_internal): If frags_chained is set, use fix_root and
fix_tail from seg_info (now_seg), rather than frchain_now.
(chain_frchains_together_1): Set fix_tail field.
(chain_frchains_together): Set frags_chained.
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is called.
(dump_section_relocs): Note whether a symbol is a section symbol or not.
(adjust_reloc_syms): For now, always supply an absolute symbol for fixups
without symbols but not yet `done'. Use section_symbol to get the symbol,
instead of going directly for abs_symbol.
(write_relocs) [DEBUG4]: Abort if any symbol referred to by a reloc is not a
section symbol and is not in the symbol table.
(set_symtab): New function, broken out from write_object_file. Counts symbol
table instead of relying on an earlier count.
(write_object_file): Call set_symtab, but do it after potentially invoking the
*_frob_file macros. Don't bother counting symbols. Call symbol_remove,
instead of expanding it in place. Moved the conditionalized `object_file_size'
declaration down to conditionalized block where it's used. When using the
absolute symbol for a fixup without a symbol, set sy_used_in_reloc.
(write_object_file) [BFD_ASSEMBLER]: Call section_symbol to get the correct
symbol for the absolute section.
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bfd_perform_relocation returns bfd_reloc_overflow.
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* subsegs.h (struct frchain): If BFD_ASSEMBLER, added new fields
fix_root and fix_tail.
(segment_info_type): If BFD_ASSEMBLER, don't define fix_tail
field.
* write.c (fix_new_internal): If BFD_ASSEMBLER, set fix_rootP and
fix_tailP based on frchain_now, not seg_info (now_seg).
(chain_frchains_together_1): Chain the subsegment relocs together.
* subsegs.c (subseg_change): Don't clear fix_tail field.
(subseg_get): Likewise.
* literal.c (add_to_literal_pool): Look through the relocs via
frchain_now, not seginfo.
* write.c (write_object_file): Simplified usage of obj_frob_symbol
and tc_frob_symbol. Always call both if the symbol is going to be
output.
* write.c (relax_segment): Use %ld rather than %d when printing
fragP->fr_var, and cast it to long.
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just before calling obj_frob_file.
* config/tc-alpha.c (alpha_gp_value): Renamed from gp_value (refs changed), made
non-static.
(getExpression): Return void.
(select_gp_value): Abort if gp_value is non-zero. Delete call to non-existent
bfd_set_gp_value.
(alpha_validate_fix): Function deleted.
(alpha_frob_symbol): Function deleted.
(alpha_local_label): Function deleted.
(alpha_frob_file): Renamed from alpha_end.
* config/tc-alpha.h (alpha_frob_symbol, alpha_validate_fix, alpha_local_label,
alpha_end): Declarations deleted.
(alpha_gp_value, alpha_frob_file): Declare.
(tc_frob_symbol, TC_VALIDATE_FIX, md_end): Macros deleted.
(LOCAL_LABEL): Move code here from tc-alpha.c:alpha_local_label.
(md_convert_frag): Simplified slightly.
(tc_frob_file): New macro.
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* write.c (cvt_frag_to_fill): Don't assume that fr_var for rs_align or rs_org
frags will be 1.
(relax_segment): For rs_align, if fr_var is not 1, complain if
required padding is not a multiple of the size of the pad pattern.
(fixup_segment): Leave gp-relative relocations alone. For pcrel relocations
referring to the same segment, clear fx_pcrel when clearing fx_addsy.
* as.h: Adjust comments on rs_align.
* write.c, config/obj-{aout,bout,coff*}.c, config/tc-sparc.c: Query the fx_done
field instead of fx_addsy to see if the fixup still needs to be applied. Set
fx_done and clear fx_addsy both, for now. If TC_HANDLES_FX_DONE isn't defined,
assume md_apply_fix will only clear fx_addsy, and set fx_done accordingly after
returning.
* config/tc-sparc.h (TC_HANDLES_FX_DONE): Define.
* config/obj-coff.c (dot_text_symbol, dot_data_symbol, dot_bss_symbol): Defined
here, static.
* config/obj-aout.c [BFD_ASSEMBLER]: Undef NO_RELOC before including aout/aout64.h.
* write.c (write_object_file): If EMIT_SECTION_SYMBOLS is false, don't write
out a section symbol even if it's used in a relocation; assume relocations will
handle section numbers somehow. Rename "punt_it" label to "punt_it_if_unused"
to reflect it's true use.
(EMIT_SECTION_SYMBOLS): Default to 1.
(adjust_reloc_syms): Don't create a new symbol for an absolute
reference; just use the absolute section symbol.
(write_relocs): Make printout of reloc values dependent on flag DEBUG3, not
DEBUG2.
* config/obj-aout.h (EMIT_SECTION_SYMBOLS): Define as 0.
* config/obj-ecoff.h (EMIT_SECTION_SYMBOLS): Ditto.
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(i.e., relocation against absolute), create a phony local symbol, and use it in
the reloc.
(fixup_segment): When adjusting a reloc with an absolute symbol, have
TC_FORCE_RELOCATION control clearing add_symbolP too.
* config/tc-sparc.h (RELOC_REQUIRES_SYMBOL): Define.
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* tc.h (md_end): Don't declare it.
* config/tc-*.[ch] (md_end): Deleted, in cases where it doesn't do anything.
* config/tc-vax.c (vip_end): Deleted null function.
* config/tc-mips.c (md_mips_end): Renamed from md_end.
* config/tc-mips.h (md_mips_end): Declare.
(md_end): New macro, calls md_mips_end.
* write.c (write_object_file): Don't close output file.
* as.c (main): Close output file (if needed) after calling listing_print, which
should be after calling write_object_file, which sets the frag addresses.
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(fixup_segment): Allow the target machine to specify that a
relocation must be generated for a particular fixup. Remove
#ifndef TC_HPPA hack.
* config/tc-hppa.h (TC_FORCE_RELOCATION): Define.
* config/tc-hppa.c (md_apply_fix_1): Never change fx_addsy to
be NULL. Only fixup_segment is supposed to do that.
(hppa_force_relocation): New function.
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(relax_segment): If md_relax_frag is defined, use it to handle a
frag of type rs_machine_dependent rather than looking through
md_relax_table.
* write.c (relax_and_size_seg): Don't set SEC_HAS_CONTENTS for a
bss section. Set SEC_RELOC if there are any relocations, even for
a zero size section.
* write.c (write_relocs): In RELOC_EXPANSION_POSSIBLE case, based
data offset on reloc[0]->address rather than reloc[j]->address, so
that multiple relocs can affect different memory locations.
* write.c (chain_frchains_together, relax_and_size_seg,
adjust_reloc_syms, write_relocs): Make third argument PTR, not
char *, to match definition of bfd_map_over_sections.
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frag for a segment in the seginfo structure.
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of interest to the linker. ENTRY/EXIT relocations for SOM are
an example of marker relocations.
* write.c (write_relocs): Instead of assuming size of a relocation
is 4 bytes, pick up the size from relocation itself.
(fixup_segment): Do not complain that a value is too small for
marker relocations.
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if the section's size was rounded up.
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pcrel_offset and not partial_inplace, adjust reloc->addend to
compensate for a bfd_perform_relocation bug.
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V9 bugfix.
See changelog...
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* config/obj-ecoff.c (ecoff_frob_file): Write out register masks
by modifying .reginfo section, not by directly modifying BFD
backend data.
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* expr.h (expressionS): New field X_unsigned.
* expr.c (operand): Initialize X_unsigned to 1. Set it to 0 for
unary minus case.
(expr) Fix typo resultP to right if missing operand. Set
X_unsigned to 1 when building new expression.
* read.c (potable): Make "octa" and "quad" call cons, not
big_cons.
(cons): Handle bignums. If given an O_constant (small integer) to
fill a big space, turn it into a bignum.
(parse_bitfield_cons): Set X_unsigned field.
(bignum_low, bignum_limit, bignum_high, grow_bignum, big_cons):
Removed.
* read.h (big_cons): Remove prototype.
* symbols.c (resolve_symbol_value): Don't give a warning if a
symbol in expr_section can not be resolved.
(S_SET_VALUE): Clear X_unsigned.
* write.c (write_object_file): If resolve_symbol_value failed on a
symbol we are writing out, give a warning.
* config/tc-h8500.c (parse_reglist): Set X_unsigned.
* config/tc-hppa.c (md_pseudo_table): Change "octa" and "quad" to
call pa_cons, not pa_big_cons.
(pa_big_cons): Remove.
* config/tc-hppa.h (pa_big_cons): Remove declaration.
* config/tc-i960.c (md_pseudo_table): Change "quad" to call cons,
not big_cons.
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* config/obj-elf.h (S_SET_SIZE): Actually set the size.
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