for md_do_align macro, give it a chance to bypass all but recording of section
alignment.
(s_align_bytes, s_align_ptwo): Call do_align.
(s_lcomm) [TC_ALPHA]: Align object to largest power of two that divides object
size.
out because $CVSROOT was wrong...)
* write.c (write_object_file): If tc_frob_file is defined, call it
just before calling obj_frob_file.
* config/tc-alpha.c (alpha_gp_value): Renamed from gp_value
(references changed), and 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.
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.
declare if BFD_ASSEMBLER.
(stack_pop): Correct test for stack underflow.
(obj_coff_endef, obj_coff_dim, obj_coff_line, obj_coff_size,
obj_coff_scl, obj_coff_tag, obj_coff_type, obj_coff_val): Declare
type of ignored argument to avoid gcc warning.
(align): Removed unused function.
Still to do:
- fix floating-point handling
- figure out if we can adapt to using ../opcodes/alpha-opc.h
- gcc bootstrap testing
- 32-bit mode support?
- test cross-assembly
* 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.
(symbol_begin): Moved to end of file, so function inlining can work better.
(fb_label_count, fb_label_max): Default C static initializers are sufficient.
* symbols.h (dot_text_symbol, dot_data_symbol, dot_bss_symbol): Declarations
deleted.
symbols of known size in the undefined section. Put small common
symbols in a .scommon section.
* ecoff.h (ecoff_frob_symbol): Declare.
* config/obj-ecoff.h (obj_frob_symbol): Define.
* config/obj-elf.c (obj_elf_write_symbol_p, obj_elf_write_symbol,
obj_elf_frob_symbol): Removed unused functions.
* config/obj-elf.h (obj_frob_symbol, obj_write_symbol): Removed
unused macros.
(obj_elf_frob_symbol, obj_elf_write_symbol): Removed declarations
of unused functions.
(obj_frob_symbol): Define if ECOFF_DEBUGGING.
(md_parse_option): Set g_switch_seen for -G option.
(s_option): If creating PIC code, force the GP size to be 0. Warn
if -G switch used with a non-zero value.
with explicitly marked stabs through BFD: if a symbol marked
N_UNDF | N_EXT is in the absolute section, move it to the
undefined section; move a symbol marked N_INDR into
bfd_ind_section and set the BSF_INDIRECT flag.
(current_file_idx): New static variable.
(add_file): Use and increment current_file_idx instead of indx parameter.
Also removed trailing whitespace from lines.
(i386-*-netbsd0.8): New target, like 386bsd.
* configure.in: Set BFDDEF in Makefile to "define" or "undef".
* Makefile.in (config.h): Protect against multiple inclusions. Define or undef
BFD_ASSEMBLER as specified by $(BFDDEF).
(ALL_CFLAGS): Omit $(BFDDEF).
for each section.
(adjust_code_sections): New function. Adjusts the VMA for all the
$CODE$ subspaces.
* config/tc-hppa.c (md_assemble): Also handle creating a fixup
for the unwind descriptors if a function's label follows the
.PROC and .ENTRY directives.
(pa_entry): Don't set BSF_FUNCTION for the label symbol here; it
is done elsewhere. Don't create a fixup for the unwind
descriptors if the function's label has not been defined yet.
(pa_proc): For SOM, place each procedure within a new $CODE$
subspace. Adjust the segment and frag for the associated
function label if it exists.
set then a new segment is always created. All callers changed.
(subseg_force_new): New function. Similar to subseg_new, but
always force a new segment to be created.
* config/obj-som.c (som_frob_file): Call adjust_code_sections
for each section.
(adjust_code_sections): New function. Adjusts the VMA for all the
$CODE$ subspaces.
* config/tc-hppa.c (md_assemble): Also handle creating a fixup
for the unwind descriptors if a function's label follows the
.PROC and .ENTRY directives.
(pa_entry): Don't set BSF_FUNCTION for the label symbol here; it
is done elsewhere. Don't create a fixup for the unwind
descriptors if the function's label has not been defined yet.
(pa_proc): For SOM, place each procedure within a new $CODE$
subspace. Adjust the segment and frag for the associated
function label if it exists.
set then a new segment is always created. All callers changed.
(subseg_force_new): New function. Similar to subseg_new, but
always force a new segment to be created.
(hppa_fix_new): Initialize segment field.
(md_apply_fix): Do nothing for pc-relative fixup which involves
crossing a segment boundary.
(pa_procend): Undefine the current label after handling .PROC
and .PROCEND directives.
(dummy_symbol): Make type "symbolS *". Change references as
appropriate.
char.
* write.c (adjust_reloc_syms): Remove unused variable symseginfo.
(write_object_file): Don't define punt_it if it won't be used.
(fixup_segment): Don't define skip if it won't be used.
(special_sections): Define.
(obj_elf_special_section): Get default types and attributes from
list of special sections.
* config/tc-mips.c (ELF_TC_SPECIAL_SECTIONS): Define.
* listing.c: Include subsegs.h.
(listing_prev_line): New function.
(calc_hex): Reset byte_in_frag to zero for each new frag.
* config/tc-mips.c (append_insn): Call listing_prev_line after
emitting nop instructions.
* Makefile.in (listing.o): Depends upon subsegs.h.
here. Handle case where label may be defined after the .PROC.
(pa_proc): It is not an error if the procedure's label isn't
defined before the .PROC directive.
with the associate stabs information.
(ecoff_build_symbols): Never set the type of stabs symbols to
st_Global. Don't update the symbol index or ifd if the gas symbol
is not the same as the ECOFF symbol (which is now the case for
stabs symbols).
* Makefile.in (INCLUDES): Add $(srcdir)/.. to places to search.
* config/obj-ecoff.c: Include files as "bfd/" instead of "../bfd/".
* app.c, flonum.h, hex-value.c (const): Change #if to be more
portable.
* config.sub: Add MPW-related aliases.
* mpw-configure: New file, MPW version of configure.
* mpw-config.in: New file, MPW version of configure.in.
* mpw-xconfig.in: New file, addon to configure.in.
Mon Jan 3 12:42:45 1994 Stan Shebs (shebs@andros.cygnus.com)
* mpw-xconfig.in: New file, mpw x mips configuration bits.
(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.
* 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.
const.
* config/obj-*.c, config/tc-*.c: Omit superfluous "return" statements at ends
of functions. Don't check for null return from hash_new, since it won't return
at all if there's no memory available. Also, check for null return from
hash_insert, rather than zero-length string, as success indicator.
* Makefile.in (site.exp): Don't set ASFLAGS. Quote value of OBJDUMPFLAGS in
case it's empty. Use temporary names until the end; make creating site.exp the
final step.
(check): Pass in ASFLAGS.
* gas/all/gas.exp: Use all_ones proc. Change regexp for matching
C comments to avoid bugs in latest expect code.
Breaks with the HP compilers.
* config/tc-hppa.c (struct call_info): Remove fields which were
set but never used. Remove all code which sets those fields.
(struct subspace_dictionary_chain): Likewise.
(struct space_dictionary_chain): Likewise.
(pa_desc): Delete useless function. Delete all references.
(hppa_tc_make_sections): No need to count the number of symbols for
the symbol extension section.
SOM BFD backend.
(obj_som_copyright): New function. Much like obj_som_version.
* config/tc-hppa.c (obj_copyright): Define as appropriate for
SOM and ELF.
(pa_copyright): Just a stub now.
* tc-hppa.c: (tc_gen_reloc): Addend for a plabel relocation should
be either 0 or 2 (no static link or static link required). Always
assume no static link.
(md_apply_fix_1): Rename to md_apply_fix. Fix argument decls.
Fix comments in various places. Always return a value.
Avoid dereferencing a NULL fx_addsy.
(hppa_force_relocation): Avoid dereferencing a NULL fx_addsy.
- sparc[lite]-coff as well as sparc-lynx
- producing coff (including debug info) under BFD_ASSEMBLER option
- cleanup of cpu-specific code in non-cpu-specific files
(especially write.c)
- providing common code to avoid duplication in cpu-specific files
(specifically, md_number_to_chars)
- stylistic changes & misc cleanup
================
* config/tc-sparc.c (tc_gen_reloc): Make adjustment to addend be dependent on
howto fields, not on format flavour.
* struc-symbol.h (struct symbol): New fields sy_obj and sy_tc, defined as types
OBJ_SYMFIELD_TYPE and TC_SYMFIELD_TYPE, if those macros are defined.
* config/obj-coff.h (TC_SYMFIELD_TYPE, OBJ_SYMFIELD_TYPE): Define.
(TARGET_SYMBOL_FIELDS, I960_SYM_FIELDS): Don't define.
(sy_tc, sy_obj): Define so that the fields look like they used to, until all
references get changed.
* write.c (fixup_segment): Lots of variables no longer register. Reordered
some code for easier reading.
* config/obj-coff.c (obj_coff_dim): dim_index no longer register. Deleted
superfluous return statement.
(obj_coff_line, obj_coff_size, obj_coff_scl, obj_coff_type, obj_coff_val,
tag_init, tag_insert): Deleted superfluous return statement.
(align, obj_coff_section): Deleted debugging printfs.
* config/tc-i386.c (md_assemble): Discard some register decls. Use assignment
rather than memcpy to copy template.
(op_hash, reg_hash, prefix_hash): Default C initialization of statics is
sufficient.
* config/tc-sparc.c (print_insn): Array Reloc is now const, and points to
const.
* config/obj-coff.h (TARGET_FORMAT): Only use coff-sparc-lynx if TE_LYNX; use
coff-sparc otherwise.
[USE_NATIVE_HEADERS]: Delete this code; it isn't used.
* write.c (fixup_segment): Call TC_VALIDATE_FIX, if defined, before processing
a fixup. Call TC_ADJUST_RELOC_COUNT just before returning. Remove some
i960-coff-specific code.
(TC_ADJUST_RELOC_COUNT): Default to doing nothing.
* config/tc-i960.h (TC_ADJUST_RELOC_COUNT) [OBJ_COFF]: Define.
(i960_validate_fix): Declare.
(TC_VALIDATE_FIX): Define.
* config/tc-i960.c (i960_validate_fix): New function.
* write.c (number_to_chars_littleendian): New function. Write out bytes in
little endian order, doing size and range checking.
(number_to_chars_bigendian): New function, similar.
* write.h: Declare them.
* config/tc-*.c (md_number_to_chars): Use them.
* config/tc-vax.c (md_apply_fix): Ditto.
* config/tc-i386.c (md_apply_fix): Ditto.
* config/obj-coff.c: Rearranged code for handling line number data.
(line_fsym): Renamed from function_lineoff in BFD_ASSEMBLER case, since the
usage is different from non-BFD_ASSEMBLER case.
(in_function, clear_function, set_function): New macros, to combine some of the
functionality implemented in differnet ways in BFD_ASSEMBLER and non-... code.
Used in other functions that used to check function_lineoff &c.
(obj_emit_lineno): Split into two copies, one for BFD_ASSEMBLER, one for not.
Non-BFD_ASSEMBLER version now has temporary variable to contain char* pointer
pointed to by char** argument. Always follow CROSS_COMPILE code; easier to
read that way.
(obj_coff_ln): Don't call add_lineno or c_line_new if appline is set.
(obj_coff_endef) [BFD_ASSEMBLER]: Don't do anything special for ".bf", it's
been done elsewhere.
(coff_frob_symbol): If ilne number data is pending, call add_linesym to flush it.
(coff_frob_file): Don't do that here.
* config/obj-coff.h (coff_frob_file): Declare.
(obj_frob_file): Define, to call it.
* config/tc-sparc.h (md_create_short_jump, md_create_long_jump,
md_estimate_size_before_relax: Define them as macros calling as_fatal.
* config/tc-sparc.c: Don't define them as functions.
(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.
exists before trying to peek at its name.
(pa_space): Do not call pa_align_subseg. See hppa/unsorted/align3.s
for testcase.
(pa_align_subseg): Delete unused/unwanted function.
on the end of a label. Make code conditional on either MRI or
LABELS_WITHOUT_COLONS.
* app.c (do_scrub_next_char): If a line begins with whitespace, leave
the single whitespace character alone. Eat all others.
* config/tc-hppa.h (LABELS_WITHOUT_COLONS): Define.
that the directives are not interpreted as labels.
* gas/hppa/basic/weird.s: Sync with GDB version.
* gas/hppa/more.parse/labelbug.s: New test.
* gas/hppa/more.parse/parse.exp: Run it.
Changed to not actually build the external symbol information, as
that is now done by the ECOFF back end.
(ecoff_build_debug): Changed accordingly.
* ecoff.h (obj_ecoff_set_ext): Declare. obj-format.c function
called by ecoff_setup_ext.
* config/obj-ecoff.c (ecoff_frob_file): If debug_info count is 0,
set corresponding pointer to NULL. Don't set raw_size and
raw_syments.
(obj_ecoff_set_sym_index): Removed.
(obj_ecoff_set_ext): New function.
* config/obj-ecoff.h (obj_set_sym_index): Don't define.
(obj_ecoff_set_sym_index): Don't declare.
* config/obj-elf.c (obj_ecoff_set_ext, elf_get_extr,
elf_set_index): New functions used for ECOFF_DEBUGGING.
(elf_frob_file): Reworked ECOFF debug generation to use
new functions in bfd/ecofflink.c.
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.
(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.
do a continue to go on to the next line rather than a break.
Removed duplicate bad pseudo-op code which was never executed.
* read.c (s_lcomm): Do not require a comma after the name.
* read.c (s_lcomm): Set bss flag for .sbss section if used.
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 (pa_get_absolute_expression): Accept pointer to
insn structure as an argument, and a pointer to a string. All
callers changed. Always read any field selector here. Call
evaluate absolute to get a return value.
(evaluate_absolute): Addept pointer to insn structure as its
argument. All callers changed.
(INSERT_FIELD_AND_CONTINUE): New macro for inserting a bitfield
into an instruction and continuing the main pa_ip loop.
(CHECK_FIELD): New macro for simple range checking of fields.
(pa_ip): Delete unused variables. Use INSERT_FIELD_AND_CONTINUE
and CHECK_FIELD. All immediate fields now pass through
pa_get_absolute_expression which will also handle field selectors.
Delete dead code. Simplify.
(md_apply_fix_1): Use CHECK_FIELD to verify any fixes that are
applied are in range. Use bfd_put_32 rather than inserting each
byte of the fixed instrution into the buffer ourselves.
it was PA specific and is no longer needed (it's now handled
within the PA backend).
* config/tc-hppa.h (SEG_DIFF_ALLOWED): Delete definition.
* 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.
* 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.
Ken Raeburn
Ian Lance Taylor
Roland Pesch
Rob Savoye
Jeff Law
Stan Shebs
Steve Chamberlain
David Edelsohn
Torbjorn Granlund
David Henkel-Wallace