OBJ_ECOFF in many cases.
(mips_any_noreorder): New variable.
(mips_cprestore_offset): Initialize to -1.
(mips_frame_reg): New variable.
(RELAX_ENCODE, RELAX_OLD, RELAX_NEW, RELAX_RELOC1,
RELAX_RELOC2, RELAX_RELOC3, RELAX_WARN): New macros.
(md_pseudo_table): Handle "gpword" and "cpadd".
(md_begin): Initialize ok to false. If OBJ_ELF, set alignment
of text, data and bss sections to 4. Set alignment of
.reginfo section to 2. If ECOFF_DEBUGGING, create .mdebug
section.
(ALIGN_ERR, ALIGN_ERR2): Removed unused and useless alignment
check.
(append_insn, macro_build, macro_build_lui): Take place
argument. Changed all callers.
(append_insn): If appending a nop, don't emit one.
(macro_build): Changed assertion for 'i', 'j', 'o' case.
(gp_reference): Removed.
(load_address): New function.
(macro): If mips_noreorder is used, set mips_any_noreorder.
Extensive changes to handle GP and PIC symbols differently.
Build both possible code choices using a variant frag, and
make a final decision at the end of assembly when all
information is known. Added PIC support for all symbol
references.
(mips_ip): Don't permit anything but a number after $ for a
coprocessor register. Don't use .lit4 or .lit8 sections when
generating PIC code. If OBJ_ELF, set alignment of .lit4 or
.lit8 section to 4.
(md_apply_fix): Accept and ignore GOT16 and GPREL32 relocs.
(s_change_sec): Set alignment of ELF .rodata or .sdata section
to 4.
(s_mipsset): If .set noreorder, set mips_any_noreorder.
(s_cpload): Ignore .cpload if not generating PIC code. Warn
if .cpload is not in noreorder section.
(s_cprestore): Ignore .cprestore if not generating PIC code.
(s_gpword, s_cpadd): New functions.
(tc_get_register): Added frame argument; if true, set
mips_frame_reg to return value. Changed all callers.
(md_estimate_size_before_relax): Don't error out, but instead
determine how much a frag should grow.
(tc_gen_reloc): Return multiple relocs if appropriate, as
determined by md_estimate_size_before_relax.
(md_convert_frag): New function.
(mips_elf_final_processing): Set ELF header flags based on
mips_any_noreorder and mips_pic.
* config/tc-mips.h (RELOC_EXPANSION_POSSIBLE): Define.
(MAX_RELOC_EXPANSION): Define to be 3.
(md_relax_frag): Define to be 0.
(md_convert_frag): Don't define.
(tc_get_register): Changed declaration.
field selector, rather than an int. All uses of field selectors
fixed.
(tc_gen_reloc): For SOM PLABELs, always set addend to zero for now.
(md_apply_fix_1): Do not call hppa_field_adjust for any PLABEL
field.
Accept new argument "is_export". All callers changed. When
processing a .export directive for a function, do not allow
the user to set the type to "CODE", instead warn and set the
type to "ENTRY".
* config/tc-hppa.c (fix_new_hppa): If the subtract symbol for
a fixup is $global$ change it to NULL as $global$ is really only
needed long enough to determine the base type of relocation to use.
predefined register table.
(pa_parse_number): Handle %rp in common register shortcut code.
Consistently set return value to -1 for an error. Clean up error
messages and only print them when "print_errors" is true. Handle
empty string case like the HP assembler -- assume a value of
zero.
so GAS can attach unwind descriptor information to a BFD symbol.
* config/tc-hppa.c (fix_new_hppa): If necessary attach unwind
descriptor information to the BFD symbol.
(md_apply_fix): R_HPPA_ENTRY and R_HPPA_EXIT can never be "applied",
they are simply markers. Make R_HPPA_UNWIND_* handling OBJ_ELF
dependent.
(pa_build_unwind_subspace): Whole function is OBJ_ELF dependent.
(pa_entry): Build a R_HPPA_ENTRY relocation when configured for SOM.
(pa_exit): Likewise, but built a R_HPPA_EXIT relocation. Do not
build "end-of-function" symbols for SOM, they are not needed.
(pa_callinfo): Insert framesize into the unwind information as
soon as it's available.
(pa_build_unwind_subspace): Do not insert framesize into the unwind
information here.
* config/obj-som.c (obj_som_init_stab_section): Set alignment
of stab sections. Make space for the special stab entry.
(adjust_stab_sections): Adjust the special entry in the
stabs section.
(som_frob_file): New function. Simply calls adjust_stab_sections
for each section.
field. Define SUBSPACE_DEFINED accessor macro.
(pa_subspace): Allow user to override subspace attributes for
built-in subspaces. Set ssd_defined at the end of fcn -- that
way the attributes can only be changed once. Pass newly allocated
name to is_defined_subspace, not a pointer to the input line.
Fix typo in space/subspace rework.
(is_defined_subspace): Delete unused 2nd arg. All callers changed.
* config/tc-hppa.c (pa_import): If currently in the text segment
and a symbol is imported without type information, set BSF_FUNCTION
for the symbol.
can properly set all the SOM symbol types.
* config/tc-hppa.c (pa_symbol_type): New enum to represent the
symbol types which can be set from an IMPORT/EXPORT statement.
(pa_export_args): Set the pa_symbol_type type based on arguments.
If defined, call obj_set_symbol_type to pass this information on
to the BFD backend.
SOM spaces/subspaces.
* config/tc-hppa.c (USE_ALIASES): New object-format dependent define
to control the use of space/subspace name aliases.
(update_subspace): Accept space chain entry for containing space
as a new parameter. All callers changed.
(pa_get_label): Use current_space rather than pa_segment_to_space.
(pa_define_label): Likewise.
(pa_undefine_label): Likewise.
(md_begin): Change into the (possibly modified) text_section.
(pa_parse_space_stmt): Create a new segment/space if create_flag
is true, and the space name is not one of the two predefined spaces.
(pa_subspace): Use current_space rather than a lookup via
pa_segment_to_space. Reset BFD section flags as required by
the .subspace directive. Likewise for the section alignment.
Pass the current space to update_subspace and create_new_subspace.
(pa_spaces_begin): Only use space/subspace aliases if USE_ALIASES
is true. When not using aliases, create a BFD section for each
subspace encountered. When not using aliases replace the default
text, data, and bss segments with new ones.
(create_new_subspace): When not using aliases each subspace has a
section/segment and subsegments are not needed, so set the subsegment
to zero.
obj_set_section_attributes to pass space attributes to the
BFD backend.
(create_new_space): Likewise.
(create_new_subspace): Likewise for subspace attributes using
obj_set_subsection_attributes.
(update_subspace): Likewise for subspace attributes using
obj_set_subsection_attributes.
to stab section name to get the stab string section name. Pass
the full name of the stab string section to get_stab_string_offset.
* config/obj-elf.c (obj_elf_init_stab_section): Likewise.
* config/tc-hppa.h (tc_fix_adjustable): Call hppa_fix_adjustable to
perform the real work.
* config/tc-hppa.h (RELOC_EXPANSION_POSSIBLE): Move definition out
of OBJ_XXX conditionals.
(MAX_RELOC_EXPANSION): Likewise.
* config/tc-hppa.c (pa_space): Do not report an error for a .space
directive which does not define a "well-known" space and does
not include a space number as an argument.
* config/tc-hppa.c (pa_def_subspaces): Correct initialization of the
"defined", "loadable", "code_only" and "space_index" fields.
(pa_def_spaces): Correct initialization of the "spnum", "defined",
and "private" fields.
* config/tc-hppa.c (hppa_fix_struct): Delete unnecessary fix_fixP and
fx_next fields.
(hppa_find_hppa_fix): Delete unnecessary function. Fix all
callers to get HPPA fixup information from the tc_fix_data field
in the GAS fixup.
(hppa_fix_root): Delete unnecessary variable.
(fix_new_hppa): Attach HPPA fixup data to the GAS fixup.
* config/tc-hppa.c (pa_set_start_symbol); Delete unwanted
function. Fix all callers.
(subspace_dictionary_chain): Delete unused ssd_start_sym field.
* config/tc-hppa.c (hppa_fix_adjustable): New function to determine
if a particular fixup is adjustable.
* config/tc-hppa.c (log2): Renamed from is_power_of_2. Fix all
callers. Now returns log2 (N) for positive N which are an exact
power of two or -1 for an error.
* config/tc-hppa.c (pa_callinfo): Range check values provided for
ENTRY_GR, ENTRY_FR and ENTRY_SR. Properly adjust vaues before
inserting them into the unwind table.
* config/tc-hppa.c (NEEDS_FIXUP): Delete definition and all references.
(hppa_gen_reloc_type): New object format dependent macro.
(pa_ip): Delete tons of code which was either OBJ_SOM or OBJ_ELF
conditional. The code can (and will) be shared between SOM & ELF
formats in the near future.
(cons_fix_new_hppa, md_apply_fix_1): Likewise.
(pa_build_unwind_subspace, process_exit, pa_exit): Likewise.
(tc_gen_reloc): Use hppa_gen_reloc rather than an object format
specific call.
* config/tc-hppa.c (pa_comm): Set the segment for a common symbol
to bfd_und_section.
* config/tc-hppa.c (pa_big_cons): Delete function and its
declaration. All callers changed to use pa_cons.
From Pete Hoogenboom:
* config/tc-hppa.c (md_atof): Return a NULL on success rather than
an empty string.
the table, require that the one without bit 0x1000000 set come
first. Require further that it be case 'b' or 'P'. The a29k
opcode table already meets these constraints.
(machine_ip): When handling case 'i' or 'A', make sure that the
appropriate opcode really exists by looking at the next entry in
the opcode table.
physical_input_line, logical_input_line): Made static.
(as_where): Return current file name and line number, don't print
them out.
* messages.c (as_show_where): New static function. Other
functions use it instead of as_where.
(as_bad_internal): New static function.
(as_bad): Use as_bad_internal.
(as_bad_where): New function, like as_bad but taking a file name
and line number.
* as.h (as_bad_where): Declare.
(as_where): Change prototype for new arguments.
* write.h (fixS): Added fields fx_file and fx_line.
* write.c (fix_new_internal): Save file and line number in fix.
(fixup_segment): Use as_bad_where, not as_bad.
* input-file.c (f_in, file_name): Made static.
* cond.c (struct file_line): Just use file and line fields.
(s_else): Use as_where and as_bad_where, not get_file_line and
set_file_line.
(get_file_line, set_file_line): Removed.
* listing.c (listing_newline): Use as_where.
* config/obj-coffbfd.c (obj_coff_init_stab_section): Use as_where.
* config/obj-ecoff.c (add_file): Use as_where.
* config/obj-elf.c (obj_elf_init_stab_section): Use as_where.
* config/tc-m68k.c (md_apply_fix_2): Use as_bad_where.
* config/tc-mips.c (tc_gen_reloc): Use as_bad_where, not assert.
m68k_aout_machtype.
* config/tc-m68k.c (omagic): Remove obsolete and unused variable.
(m68k_aout_machtype): New variable, if OBJ_AOUT.
(md_assemble): Initialize m68k_aout_machtype based on
current_architecture, if OBJ_AOUT.
(md_parse_option): Remove obsolete reference to omagic.
* config/tc-i386.c: (md_begin): Do not zero static arrays. Don't
call strchr for each character to see if it is a special char,
instead add a second loop over special_chars. Set alignment
of text, data and bss sections to 4.
(pi, te, pt, pe, ps): Add declarations so that DEBUG386 can be
used again.
(reloc): Don't return 8 and 16 bit non-PC relative relocations on
ELF, since the ELF object format does not have these type of
relocations. Change the abort into as as_bad and return
BFD_RELOC_NONE to silence compiler warnings.
(md_assemble): Keep track of the instruction size. Allow white
space between the $ and the constant for compatibility with older
gases and other assemblers.
(i386_operand): Skip spaces between $ and expression.
(tc_gen_reloc): Don't allow anything but 32 bit relocations on
ELF. Convert abort into an as_bad and assert into as_fatal.
(mips_regmask_frag): New static variable, if OBJ_ELF.
(md_begin): If OBJ_ELF, create .reginfo section and set
mips_regmask_frag to a frag.
(mips_elf_final_processing): New function, if OBJ_ELF. Set
mips_regmask_frag to register mask information.
* config/tc-mips.h (elf_tc_final_processing): New macro, defined
if OBJ_ELF.
hold register masks.
(md_begin): Initialize them to zero.
(append_insn): Update mips_gprmask and mips_cprmask. Also add
register variables pinfo and prev_pinfo.
* config/tc-mips.h (mips_gprmask, mips_cprmask): Declare.
* config/obj-ecoff.c (ecoff_frob_file): If TC_MIPS, set gprmask
and cprmask from mips_gprmask and mips_cprmask.
* config/tc-mips.c (GPOPT): Define if OBJ_ECOFF or OBJ_ELF.
(various): Change all references to GP references to apply if
GPOPT, not if OBJ_ECOFF.
(s_change_sec): Rearrange somewhat. If OBJ_ELF, use .rodata
instead of .rdata. If OBJ_ELF, set section flags for .rodata and
.sdata sections.
(s_frame, s_loc, s_mask): Comment out entire functions, rather
than just body. They're not used anyhow.
* configure.in: Set cpu_type to mips for mips*. Accept
mips-*-elfl* and mips-*-elf*.
* 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.
(get_bf, get_cmp, get_cnd, get_cr, get_fcr, get_imm16, get_reg,
get_vec9, getval, get_pcr, calcop, match_name): make static and
prototype.
(s_file): remove extraneous forward decl.
(md_begin): add const to retval decl.
(calcop): cope with instructions without arguments. Handle 'o'
type argument, the o6 field of the prot insn.
(md_estimate_size_before_relax): return a dummy value.
* read.c (change_to_section): Removed. This is now done by
subseg_new.
(get_stab_string_offset): Rearranged somewhat. Create the section
using subseg_new. Store the string index in seg_info, rather than
in a static variable. Force the first string to be empty. Use
frag_more rather than FRAG_APPEND_1_CHAR.
(s_stab_generic): Rewrote.
* subsegs.h (segment_info_type): Added stabu union.
* subsegs.c (subseg_new): Initialize stab_string_size to 0.
* config/obj-aout.c: Don't include aout/stab_gnu.h.
(obj_aout_stab, obj_aout_desc): Removed.
(obj_pseudo_table): Removed desc and stabX entries.
* config/obj-bout.c: Same changes as config/obj-aout.c.
* config/obj-bout.h (S_SET_TYPE): Define.
(tc_bout_fix_to_chars): Declare.
* config/obj-coff.c (obj_coff_stab): Removed.
(obj_pseudo_table): Removed desc and stabX entries.
* config/obj-coff.h (SEPARATE_STAB_SECTIONS): Define.
* config/obj-coffbfd.c (current_stab_symbol): Removed.
* config/obj-coffbfd.h (obj_symbol_type): Removed n_strx, n_type,
n_other, n_desc and n_value fields.
(S_{S,G}ET_{OFFSET,OTHER,TYPE,DESC}): Removed.
(MAKE_STAB_SYMBOL): Removed.
* config/obj-ecoff.c (obj_ecoff_stab): Renamed to ecoff_stab.
Changed arguments and removed parsing code.
(obj_pseudo_table): Removed stabX entries.
* config/obj-ecoff.h (ecoff_stab): Declare.
(OBJ_PROCESS_STAB): Define.
* config/obj-elf.c: Don't include aout/stab_gnu.h.
(obj_elf_stab, obj_elf_xstab, obj_elf_desc,
elf_stab_symbol_string, elf_stab_symbol, obj_elf_stab_generic):
Removed.
(obj_pseudo_table): Removed desc, stabX and xstabs entries.
(obj_elf_version): Use subseg_new, not bfd_make_section. Don't
set SEC_LOAD for .note section.
(adjust_stab_sections): Get frag pointer from seg_info, rather
than looking through frags.
* config/obj-elf.h (S_{S,G}ET_{OTHER,TYPE,DESC}): Removed.
(SEPARATE_STAB_SECTIONS, INIT_STAB_SECTION, OBJ_PROCESS_STAB):
Define.
* config/obj-vms.c (obj_aout_stab): Removed.
(obj_pseudo_table): Removed stabX entries.
* config/obj-vms.h (S_SET_TYPE): Define.
Wrote non-BFD_ASSEMBLER subseg_new. Now subseg_new always takes a
section name, and subseg_set always takes a segT. Changed all
callers as appropriate.
* config/obj-coffbfd.c (change_to_section): Renamed to
obj_coff_add_segment. Corrected. Made callers use subseg_new.
* config/obj-coffbfd.h (obj_segment_name, obj_add_segment):
Define.
Also some more gcc warning removal.
* config/tc-mips.c (macro_build): Accept 'z', and ignore it.
(macro): Use "z,s,t" for div instructions to match corresponding
change in opcode table.
(mips_ip): Added 'z'--must be zero register.
load_register.
(set_at_unsigned): Removed; changed callers to use set_at.
(load_register): Removed unused ip argument. Changed callers.
(append_insn): Don't swap branch and branch likely.
(macro_build): Handle 'u'.
(load_register): Handle 64 bit constants.
(macro): Added M_DABS, removed M_ABSU. Numerous changes to
support 64 bit constants.
(mips_ip): Use hex constants in range checks for clarity.
(md_number_to_chars): Support 8 byte values.
(md_begin): Initialize mips_isa based on TARGET_CPU. Don't sanity
check macros. Set text alignment and GP size here.
(md_assemble): Don't set text alignment and GP size here.
(append_insn): Don't insert NOPs for load delays if mips_isa >= 2.
Use the right mask and shift for WRITE_FPR_T and WRITE_FPR_S. Add
a NOP after a branch likely.
(mips_emit_delays): Don't insert NOPS for load delays if mips_isa
>= 2.
(macro): Support r6000 and r4000 macros.
(mips_ip): Check insn ISA level against mips_isa before using it.
Added 'x' case for ignored register.
(md_parse_option): Handle -mipsN and -mcpu=XX.
(md_parse_option): New macro, converted from function.
* tc-i386.c (md_parse_option): Function deleted.
(comment_chars) [OBJ_ELF]: Include "/".
(line_comment_chars) [OBJ_ELF || TE_I386AIX]: Don't include "/".
(md_assemble): Cast 0xe9 to char explicitly, to avoid compiler warning.
(md_assemble, md_estimate_size_before_relax, md_create_long_jump): Call reloc
for fix_new type, or use correct enumerator, instead of always using NO_RELOC.
(i386_operand): Change "ifndef I386COFF" to "ifdef OBJ_AOUT" for
tests for valid section.
(md_convert_frag) [BFD_ASSEMBLER]: Compensate for frag start address.
(md_apply_fix_1) [BFD_ASSEMBLER]: For pc-relative reloc with
symbol, compensate for location of reloc.
(reloc, BFD_RELOC_32, BFD_RELOC_32_PCREL) [!BFD_ASSEMBLER]: Define to return
zero.
(obj_elf_weak): New function.
(obj_pseudo_table): Handle ".weak".
(obj_elf_section): If section directive includes a string, ignore
it for now. Accept "progbits" flag.
(obj_elf_type): Accept `@' before flag name.
if .set nobopt or .set volatile.
(gp_reference): .lit8 and .lit4 are accessed via the GP register.
(macro): Added cases M_LI_S, M_LI_SS. Fixed M_LI_D and M_LI_DD.
(mips_ip): Added cases 'F', 'L', 'f', 'l' for floating point.
* config/obj-ecoff.c: Renamed some variables to avoid shadow
warnings.
davidj@ICSI.Berkeley.EDU (David Johnson): Don't accept symbolic
names for 'E' and 'G' argument types (coprocessor registers) and
don't warn if $1 is used on the coprocessor.
debug section is new, allocate an extra 12 bytes at its start. If
".stabs" type is N_SO, fill in filename symbol field of that first
entry. Return early if "goof", to simplify later code slightly.
(adjust_stab_sections): New function.
(elf_frob_file): Apply adjust_stab_sections to each section.
* obj-elf.c (obj_elf_section, obj_elf_previous): No longer static.
* obj-elf.h (obj_elf_section, obj_elf_previous): Declare.
* tc-sparc.c (md_pseudo_table): Call them for "pushsection"
and "popsection", and call cons for "uaword" and "uahalf".
* obj-elf.c (obj_elf_version): Use English in error messages.
* tc-sparc.c (md_apply_fix, case BFD_RELOC_64): New case,
parallel to BFD_RELOC_32.
(tc_gen_reloc): Accept BFD_RELOC_64.
pseudo-op with a poc_handler field of NULL, ignore it and treat it
as an instruction instead.
* config/tc-m88k.c (md_pseudo_table): Add "set" with a NULL
poc_handler field.
up opcodes as pseudo-ops even if they don't start with '.'.
* config/tc-m88k.h (NO_PSEUDO_DOT): Define.
* config/tc-m88k.c (md_assemble): Removed special pseudo-op
handling.
(md_apply_fix): Set fx_offset to the upper 16 bits of the reloc.
Output the low 16 bits for RELOC_HI16, not the high 16 bits.
* config/obj-coffbfd.c (do_relocs_for): If TC_M88K, set the
r_offset field of the reloc to the fixup offset.
(fixup_segments): If TC_M88K, don't warn about fixup overflows.
* doc/as.texinfo: Minor updates.
(previous_section, previous_subsection): New vars.
(obj_elf_section): Save current place in case DWARF code wants us
to pop back to it. Handle unquoted section name as well as quoted
section name. Don't crash on invalid strings.
(obj_pseudo_table): Handle new pseudos "previous", "2byte", and "4byte".
undefined symbols.
Fixes PR 2997.
* read.c (s_data), config/obj-coffbfd.c (obj_coff_data): If -R,
switch to text section rather than data section.
Fixes PR 2971.
* config/tc-mips.c: Many changes to support simple assembler
optimization.
(insn_label, prev_insn, prev_prev_insn, dummy_opcode,
prev_insn_valid, prev_insn_frag, prev_insn_where,
prev_insn_fixp, prev_insn_is_delay_slot): New static
variables.
(insn_uses_reg, mips_no_prev_insn, mips_emit_delays,
mips_align, s_stringer, s_mips_space): New static functions.
(mips_define_label): New global function.
(md_pseudo_table): For "ascii", "asciz", "asciiz", call
s_stringer. Changed argument to float_cons from 0 or 1 to 'f'
or 'd'. For "space" call s_mips_space.
(md_begin): Call mips_no_prev_insn.
(append_insn): Only insert necessary NOP instructions.
(macro): Call mips_emit_delays before setting mips_noreorder.
Increment and decrement mips_noreorder rather than using
save_reorder_condition. Don't bother to use noreorder in
M_L_DOB and M_L_DAB, since append_insn will not insert a NOP.
(md_atof): Handle floating point numbers correctly for both
big and little endian targets.
(s_align, s_cons): Call mips_align rather than frag_align.
(s_change_seg, s_cons): Call mips_emit_delays.
(s_float_cons): Let float_cons do the work.
(s_mipsset): Call mips_emit_delays when setting noreorder.
* config/tc-mips.h (tc_frob_label): Define to be
mips_define_label.
by md_pcrel_from if we are relocating against a symbol (we still
need md_pcrel_from for a PC relative relocation within the same
file).
* config/tc-m88k.c (md_pcrel_from): Corrected return value.
* configure.in (m88k-*-coff*): New target. Use coffbfd and
m88kcoff.
* config/m88kcoff.mt: New file.
* read.c (lex_type): New macro LEX_AT to set lex type of '@'.
(pseudo_set): Handle difference of symbols in different fragments
by saving the entire expression as the value of the symbol.
* symbols.c (resolve_symbol_value): Resolve difference
expressions.
* config/obj-coffbfd.c (obj_pseudo_table): If TC_M88K, accept
"sdef" as a synonym for "def".
* config/obj-coffbfd.h: If TC_M88K, include coff/m88k.h and set
TARGET_FORMAT.
(S_IS_LOCAL): Any symbol which includes \001 in the name is local.
* config/tc-m88k.c, config/tc-m88k.h: Numerous changes to bring
m88k port up to date, and to add COFF support.
as the value of a symbol.
* struc-symbol.h (struct symbol): Removed sy_forward field. Added
sy_resolved and sy_resolving single bit fields.
* symbols.c (symbol_new): Don't initialize sy_forward field.
(resolve_symbol_value): New function to adjust symbol value by
fragment address, using recursion to resolve forward symbols.
* symbols.h: Added prototype for new function.
* read.c (pseudo_set): Set symbolP->sy_value to an undefined
expression rather than setting symbolP->sy_forward.
* write.c (write_object_file): Use resolve_symbol_value on
symbols, keeping the common case (the old behaviour) inline.
* config/obj-aout.c (obj_aout_frob_symbol): Removed sy_forward
handling (subsumed by write.c change).
* config/obj-coff.c, config/obj-coffbfd.c (obj_coff_val): Set
sy_value rather than sy_forward.
* config/obj-coffbfd.c (obj_coff_endef, yank_symbols): Check
expression segment rather than sy_forward.
(yank_symbols): Use resolve_symbol_value.
(crawl_symbols): Removed extra pass over symbols.
* config/obj-aout.c, config/obj-bout.c, config/obj-coff.c,
config/obj-vms.c (obj_crawl_symbol_chain): Removed extra pass over
symbols which handled sy_forward; use resolve_symbol_value
instead.
* config/obj-coff.h, config/obj-coffbfd.h (obj_frob_forward_symbol):
Define.
* config/obj-elf.c (obj_elf_stab_generic): Check expression
segment rather than sy_forward.
* config/obj-vms.c (VMS_Check_For_Main): Don't initialize
sy_forward; do initialize sy_resolved and sy_resolving.
* config/tc-hppa.h (STAB_FIXUP): Use sy_value, not sy_forward.
just a longword:
* struc-symbol.h: New field sy_value.
* as.h: Include expr.h before struc-symbol.h.
* expr.h: Use struct symbol rather than symbolS.
* symbols.c (S_GET_VALUE, S_SET_VALUE): Rewrote to retrieve value
of sy_value field; compile unconditionally, not just if
BFD_ASSEMBLER.
* symbols.h: Compile S_{SG}ET_VALUE prototypes unconditionally.
* write.c (write_object_file): Set BFD symbol value to gas symbol
value.
* config/obj-aout.h, config/obj-bout.h, config/obj-coff.h,
config/obj-coffbfd.h, config/obj-generic.h, config/obj-vms.h
(S_GET_VALUE, S_SET_VALUE): Removed macro definitions.
* config/obj-ieee.c (S_GET_VALUE, S_SET_VALUE): Removed.
* config/obj-coff.h, obj-coffbfd.h: Rewrote several macros to use
S_GET_VALUE rather than ost_entry.n_value.
* config/obj-aout.c (obj_symbol_to_chars), config/obj-bout.c
(obj_symbol_to_chars), config/obj-coff.c (obj_symbol_to_chars),
config/obj-coffbfd.c (symbol_to_chars): Get value to write out
using S_GET_VALUE--don't assume it is already set.
* config/obj-ieee.c (do_symbols): Set BFD symbol value to gas
symbol value.
* config/obj-vms.c (various): Don't assign directly to
S_GET_VALUE; use S_SET_VALUE instead.
* config/tc-mips.c: Include opcode/mips.h rather than
mips-opcode.h.
(append_insn): An extra NOP is only needed after instructions
which set HI or LO, not after instructions which read it.
(macro_build, mips_ip): Support new 'E', 'G' and 'B' arguments.
(macro): cfc1 and ctc1 now take "t,G" rather than "t,d".
* config/tc-mips.h (struct mips_opcode): Don't define.
* config/mips-big.mt, config/mips-lit.mt (TARG_CPU_DEPENDENTS):
Set to $(srcdir)/../include/opcode/mips.h.
Get the MIPS assembler up to speed with other gas changes:
* config/obj-ecoff.c (ecoff_set_vma, ecoff_frob_symbol):
Removed; don't change the symbol value.
(ecoff_build_symbols, ecoff_build_procs, ecoff_frob_file): Use
bfd_asymbol_value rather than S_GET_VALUE to include section
vma in symbol value.
(ecoff_frob_file): Ignore BSF_SECTION_SYM symbols, since ECOFF
doesn't output them. Set the vma of sections.
* config/obj-ecoff.h: Don't define obj_frob_symbol.
* config/tc-mips.c (tc_gen_reloc): Adjustment by section vma is no
longer necessary.
(various): use valueT rather than long.
(md_create_short_jump, md_create_long_jump, md_number_to_chars,
md_section_align): Adjusted for new interface.
(s_reserve): Permit use for other than a.out format.
(s_common): Handle Solaris-2 version.
(s_xword): For numbers, call big_cons.
(sparc_ip, md_apply_fix, tc_gen_reloc): Handle some sparc64 reloc types.
(md_number_to_chars): Handle 8-byte values.
putting value into object file into separate function. Separate
out MRI and WANT_BITFIELDS cases into separate functions.
(emit_expr): New function to write data into object file.
Conditionalize on TC_CONS_FIX_NEW and TC_CONS_RELOC rather than on
processor types.
(parse_bitfield_cons): New function to parse bitfield expressions
as used by i960 assemblers. Only compiled if
BITFIELD_CONS_EXPRESSIONS is defined.
(parse_mri_cons): New function to parse MRI style strings. Only
compiled if MRI is defined.
(parse_repeat_cons): New function to parse repeat counts. Only
compiled if REPEAT_CONS_EXPRESSIONS is defined.
* read.h (emit_expr): Added declaration of new function.
* config/tc-a29k.h (TC_CONS_RELOC): Define to be RELOC_32.
* config/tc-h8300.h (TC_CONS_RELOC): Define to be R_RELWORD.
* config/tc-hppa.c (parse_cons_expression_hppa): New function to
parse a HPPA expression, rather than special case in cons
function.
(cons_fix_new_hppa): New function to emit an HPPA fixup, rather
than special case in emit_expr function.
* config/tc-hppa.h (TC_PARSE_CONS_EXPRESSION, TC_CONS_FIX_NEW):
Define to use new functions from tc-hppa.c.
* config/tc-i960.h (BITFIELD_CONS_EXPRESSIONS): Define.
(WANT_BITFIELDS): Removed; now obsolete.
* config/tc-mips.h (REPEAT_CONS_EXPRESSIONS): Define.
* config/tc-ns32k.c (cons_fix_new_ns32k): New function to emit an
NS32K fixup, rather than special case in emit_expr function.
* config/tc-ns32k.h (TC_CONS_FIX_NEW): Define to be
cons_fix_new_ns32k. Also use PARAMS rather than checking
__STDC__.
* config/tc-sparc.h (TC_CONS_RELOC): Define to RELOC_32.
* write.c (relax_and_size_seg, adjust_reloc_syms, write_contents):
Don't core dump if gas has no information about a section.
(s_local) [OBJ_ELF]: New function.
(md_pseudo_table) [OBJ_ELF]: Call it for "local".
(s_common): Rearrange to handle Solaris .common pseudo, which may sometimes use
bss space instead of common.
(md_parse_option) [OBJ_ELF]: Print version id for -V. Ignore -Q and -s options
for now.
* m88k-opcode.h : fixed tiny tiny mistake - xcr was incorrectly
specified, should have both S1 and S2 fields identical
If only finding the problem was as fast as fixing the bug !!!!
expr.c (__): Undefine before defining.
as.c (got_sig): Don't return anything; return type might be void.
Whitespace/comment cleanup in frags.c.
Some patches for `-pedantic' or `-fno-common' compilation.
(Some of these changes are from Michael Meissner; see change log.)
comment_chars.
(do_scrub_next_char): If a line comment character is not at the
start of a line, treat it as a comment character if it is one.
For a CPP line comment use pseudo-op .appline rather than .line.
* input-scrub.c (logical_input_line): Make int rather than
unsigned.
(input_scrub_push, input_scrub_begin): Initialize
logical_input_line to -1 rather than 0.
(bump_line_counters): Increment logical_input_line.
(new_logical_line): If line_number is -2, decrement
logical_input_line.
(as_where): Use logical_input_line even if it is 0.
* read.h (s_app_file prototype): Now takes an int argument.
* read.c (potable): Make .appfile call s_app_file with 1. New
.appline pseudo-op calls s_app_line.
(s_app_file): If .appfile, call new_logical_line with -2 to
account for newline inserted by do_scrub_next_char. If listing,
call listing_source_file.
(s_app_line): New function to handle fake pseudo-op .appline.
* config/obj-coff.c (obj_pseudo_table): Make .appline call
obj_coff_ln.
(obj_coff_ln): Added argument to indicate whether .appline.
* config/obj-coffbfd.c (obj_pseudo_table): Make .appline call
obj_coff_ln.
(obj_coff_ln): Added argument to indicate whether .appline.
* config/tc-mips.c (s_file): Pass argument to s_app_file.
* as.c (perform_an_assemly_pass): Don't set output_section here.
* expr.c (expr_part, expr): Turn off section assertions for ECOFF,
since it has additional sections.
* read.c (s_lcomm): For MIPS ECOFF, put small objects in .sbss,
not bss_section.
* config/obj-ecoff.h (TARGET_SYMBOL_FIELDS): Added
ecoff_undefined field.
* config/obj-ecoff.c (obj_symbol_new_hook): Initialize
ecoff_undefined field.
(add_file): If using stabs, just output a stabs symbol rather than
creating a new fdr.
(obj_ecoff_begin, obj_ecoff_bend): Ignore line number by reading
it with get_absolute_expression, rather than skipping it by hand.
(obj_ecoff_loc): If using stabs, just output a stabs symbol rather
than ECOFF line number information.
(obj_ecoff_stab): Accept non-zero values for stabs line number.
(ecoff_build_symbols): Set ifilesym correctly. Set storage class
to small, undefined and/or readonly sections if appropriate.
Don't output symbol names containing \001 characters.
(ecoff_frob_file): Make sure at least one fdr is output.
* config/tc-mips.h: Define TC_MIPS.
* config/tc-mips.c (g_switch_value): New static variable.
(md_assemble): Set gp size of output BFD.
(gp_reference): New function; returns 1 if expression can be
accesssed via gp. Always returns 0 if not using ECOFF.
(macro_build): Convert BFD_RELOC_LO16 to BFD_RELOC_MIPS_GPREL if
possible.
(macro): Generate sequences using gp if possible.
(md_parse_option): Ignore -EL and -EB. Parse -G.
(md_apply_fix): Added BFD_RELOC_MIPS_GPREL to ignored case.
(s_change_sec): Handle .rdata and .sdata for ECOFF.
(s_extern): Mark symbol as external. Set ecoff_undefined field.
wasn't being stored into scnhdr.
* config/obj-coffbfd.h: Add prototype of s_get_segment.
* read.c (TC_START_LABEL): Default definition.
(read_a_source_file): Use TC_START_LABEL macro to work out
if a label has been seen.
dropping a space immediately following an identifier.
* expr.c, write.c: Rewrote assert expressions to not use multiple
lines; I don't think that can be done portably.
* config/tc-mips.c (macro): Use $AT if target register is zero in
load instruction, which it can be for a floating point load.
Also a bunch more changes to config/obj-ecoff.c, still in flux.
the section contents.
* config/obj-ecoff.h, config/obj-ecoff.c: Numerous changes to get
symbol table and values right.
* config/tc-mips.h (LOCAL_LABEL): If OBJ_ECOFF, any label starting
with $L is local.
* config/tc-mips.c (tc_gen_reloc): If OBJ_ECOFF, adjust the addend
by the section vma.
* config/z8k.mt (TARG_CPU_DEPENDENTS): The relevant file is
z8k-opc.h, not z8k.h.
* config/obj-ecoff.c, config/obj-ecoff.h: Preliminary ECOFF
support.
* config/tc-mips.h (TARGET_FORMAT): Define based on OBJ_AOUT vs.
OBJ_ECOFF as well as TARGET_BYTES_*_ENDIAN.
(struct loc, struct proc, struct file): Moved to tc-mips.c within
#ifndef OBJ_ECOFF block, since ECOFF uses different versions.
* config/tc-mips.c: Rearranged for ECOFF support. Added
prototypes for all static functions. Moved existing minimal
debugging format support info #ifndef OBJ_ECOFF blocks.
(macro_build_lui): Eliminated sign_extend argument, because ECOFF
does not support a non sign extended high 16 bits reloc. Adjusted
all callers accordingly.
(tc_get_register): Renamed from get_register, and made non-static.
* config/mips-big.mt, config/mips-lit.mt: New files. Define
TARGET_BYTES_BIG_ENDIAN and TARGET_BYTES_LITTLE_ENDIAN,
respectively.
* configure.in (mips-*-bsd*): Use gas_target mips-lit.
(mips-*-ultrix*, mips-*-irix*, mips-*-ecoff): New targets, using
obj_format ecoff and gas_target mips-lit or mips-big.
