Wed Feb 14 18:49:01 1996 Alan Modra <alan@spri.levels.unisa.edu.au>
* configure.in: Redo emulation handling so that each emulation
searches the correct tool directory, based on the target alias.
For example, "configure --enable-targets=m68k-coff i386-linux"
will search /usr/local/i386-linux/lib for linux and
/usr/local/m68k-coff/lib for m68k-coff.
* configure: Rebuild.
* configure.tgt: Add special tdir settings for Linux.
* Makefile.in: Add @TDIRS@. Pass "$(tdir_EMUL)" to ${GENSCRIPTS}
for each eEMUL.c target.
* genscripts.sh: Accept specific alias as 9th argument, and use it
in LIB_PATH.
* configure.in: Remove duplicate setting of cpu_type. Check
whether opcodes library is required for on all targets, not just
primary one.
* configure: Rebuild.
* ieee.c (ieee_write_expression): Only use an R variable for a
local symbol. Don't output a zero offset. Handle a zero address.
(SRC_MASK, PCREL_OFFSET): Define based on KEEPMINUSPCININST.
(rel32_howto, rel16_howto, rel8_howto): Use SRC_MASK and
PCREL_OFFSET.
(parse_expression): Don't try to handle multiple occurrences of a
P variable. Handle I variables differently from X variables. Fix
the order of minus expressions.
(ieee_slurp_external_symbols): Generate an I variable for an NN
record. Fix handling of ATI and ATX records.
(ieee_slurp_sections): Only set minimal section attributes.
Adjust them later, based on the section contents.
(ieee_object_p): Read in the file until just after the ME record.
Call ieee_slurp_section_data to set the section flags.
(do_one): Add iterations parameter. Only repeat the first load
item. Set the section and file reloc flags.
(ieee_slurp_section_data): Set section flags. Pass iterations to
do_one.
(ieee_canonicalize_reloc): Handle I variables.
(do_with_relocs): Only emit relocation size when necessary.
Increase MAXRUN to 127. Change ov to be assigned, and take
src_mask and pcrel_offset into account.
(ieee_write_data_part): Skip sections that are not loaded.
(ieee_write_external_part): Don't output optional last entry of WX
records.
(ieee_write_me_part): Make setting of me_record neater.
(ieee_generic_stat_arch_elt): Get the size of an archive element.
* read.c (s_mri_sect): Don't return '\0' in type. Set all
appropriate flags in BFD section.
* configure.in (m68k-*-psos*): New target.
* configure: Rebuild.
* config/te-psos.h: New file.
* config/tc-m68k.c (comment_chars): Don't include '#' if TE_PSOS
is defined.
* syms.c (stt): Add entries for zerovars, vars, and code.
* elfcode.h (validate_reloc): New static function.
(write_relocs): Call validate_reloc for non ELF relocs.
* elfxx-target.h (elf_symbol_leading_char): Define if not defined.
(TARGET_BIG_SYM): Use elf_symbol_leading_char.
(TARGET_LITTLE_SYM): Likewise.
* config.bfd (m68*-*-psos*): New target.
* gas/mips/lb-xgot.d, gas/mips/ld-xgot.d: New tests.
* gas/mips/lif-xgot.d, gas/mips/ulh-xgot.d: New tests.
* gas/mips/mips.exp: Run new tests if svr4pic.
(s_extern): Don't declare.
(reg_needs_delay): New static function.
(macro_build): Permit GOT/CALL_HI/LO relocs.
(macro_build_lui): If place is not NULL, use the number in the
expression.
(load_address): Handle mips_big_got case.
(macro): Handle mips_big_got for M_LA_AB, M_JAL_A, and load and
store macros.
(OPTION_XGOT): Define.
(md_longopts): Add "xgot" if OBJ_ELF.
(md_parse_option): Handle -xgot.
(md_show_usage): Mention -xgot.
(md_apply_fix): Permit GOT/CALL_HI/LO relocs.
(tc_gen_reloc): Handle GOT/CALL_HI/LO relocs.
* i386msdos.c: Remove some #if 0 code.
(msdos_write_object_contents): Don't include empty sections in the
size computation, regardless of their address.
(do_with_relocs): If EXEC_P is set and there are no relocs, use a
simple number for the section address, rather than an expression.
Limit the number of bytes between relocs to MAXRUN.
(ieee_write_me_part): Set me_record to the file offset after the
start address.
(ieee_write_processor): New static function.
(ieee_write_object_contents): Use ieee_write_processor.
(s_mri): New function.
* read.h (s_mri): Declare.
* app.c (scrub_m68k_mri): New static variable.
(mri_pseudo): New static variable.
(do_scrub_begin): Add m68k_mri parameter. Use it rather than
flag_m68k_mri. Initialize scrub_m68k_mri.
(mri_state, mri_last_ch): New static variables.
(struct app_save): Add scrub_m68k_mri, mri_state, and mri_last_ch
fields.
(app_push): Save new fields.
(app_pop): Restore new fields.
(do_scrub_chars): Check scrub_m68k_mri rather than flag_mri_mri.
If TC_M68K, use a trivial state machine to look for occurrences of
the .mri pseudo-op, and change the mode appropriately.
* as.h (do_scrub_begin): Update prototype.
* input-scrub.c (input_scrub_begin): Pass flag_m68k_mri to
do_scrub_begin.
* config/tc-m68k.c (reg_prefix_optional_seen): New static
variable.
(m68k_mri_mode_change): New function.
(md_parse_option): Set reg_prefix_optional_seen.
* config/tc-m68k.h (m68k_mri_mode_change): Declare.
(MRI_MODE_CHANGE): Define.
* doc/as.texinfo: Document .mri pseudo-op.
allocate_saved_f77_common_node, allocate_common_entry_node,
add_common_block): Use xmalloc rather than malloc, some of which
were unchecked.
* gnu-regex.c: At same point as other gdb specific changes
#undef malloc and then #define it to xmalloc.
* ch-exp.c (growbuf_by_size): Use xmalloc/xrealloc rather than
bare unchecked calls to malloc/realloc.
* stabsread.c (dbx_lookup_type): Use xmalloc rather than bare
unchecked call to malloc.
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)'.
id_list and compare_list fields.
(struct debug_class_id): Define.
(struct debug_type_compare_list): Define.
(debug_write): Initialize info->id_list
(debug_write_name): Remove reference to info->class_mark.
(debug_write_type): Get id for all structs and classes. Simplify
test for whether struct has already been written.
(debug_write_class_type): Get id for all classes. Simplify test
for whether class has already been written.
(debug_write_block): Don't write out blocks other than the top
level block if they have no local variables.
(debug_set_class_id): New static function.
(debug_type_samep): New static function.
(debug_class_type_samep): New static function.
* prdbg.c (pr_start_struct_type): Always print id.
(pr_start_class_type): Likewise.
(pr_tag_type): Likewise.
