(load_address): Support both 32- and 64-bit addresses.
(macro): Call load_register correctly. Expand 64-bit loads ans stores.
(macro2): Call load_address correctly.
relocation triple.
(prev_insn_fixp): Likewise.
(append_insn): Changed prototype to accept a relocation pointer.
(imm_reloc): Make it an array.
(offset_reloc): Likewise.
(md_assemble): Handle triple relocations.
(append_insn): Likewise. Add handling for some NewABI relocations.
(mips_no_prev_insn): Handle triple relocations.
(macro_build): Likewise. Add handling for some NewABI relocations.
Move handling for the 'u' case to append_insn().
(mips16_macro_build): Handle triple relocations.
(macro_build_lui): Likewise. Don't handle _gp_disp as special symbol
for NewABI.
(mips_ip): Handle triple relocations.
(mips16_ip): Likewise.
(mips_force_relocation): Force handling of triple relocations
without symbols for NewABI.
(md_apply_fix): Add handling for some NewABI relocations.
(mips_target_format): Move downwards in file, use HAVE_64BIT_OBJECTS
in it.
(mips_abi_level, mips_abi): New enum.
(mips_32bit_abi): Remove.
(HAVE*PRS): Use mips_abi instead of mips_32bit_abi.
(HAVE_NEWABI): New define.
(HAVE_64BIT_OBJECTS): New define.
(HAVE_32BIT_ADDRESSES): Don't return true for 64bit objects.
(HAVE_64BIT_ADDRESSES): New define, inverse of HAVE_32BIT_ADDRESSES.
(support_64bit_objects): New prototype.
(md_begin): Use mips_abi instead of mips_32bit_abi. Don't write
.reginfo section for n32, use .MIPS.options instead.
(support_64bit_objects): New function, code from md_parse_option.
(md_longopts): Add -n32 option.
(md_parse_option): Use mips_abi instead of mips_32bit_abi/mips64.
Add -n32 option. Protect with OBJ_ELF.
(s_mipsset): Use mips_abi instead of mips_32bit_abi.
(mips_elf_final_processing): Likewise. Don't write .reginfo section
for n32, use .MIPS.options instead.
and rearrange for efficiency. For "PIC code" subtraction, use
"rightseg" rather than recalculating. For "symbol OP symbol"
subtract, set "retval" to absolute_section if symbols in same
section.
* symbols.c (resolve_symbol_value): Resolve "sym +/- expr" to an
O_symbol. Simplify a +/- b code. Allow equality and non-equality
comparisons on symbols from any section. Allow other comparison
operators as for subtraction.
(symbol_equated_reloc_p): New predicate function.
* symbols.h (symbol_equated_reloc_p): Declare.
* write.c (adjust_reloc_syms): Use symbol_equated_reloc_p.
(write_relocs): Likewise.
(write_object_file): Likewise.
(relax_segment <rs_machine_dependent>): Ensure segment for
expression syms is set correctly.
* config/tc-mips.c (md_estimate_size_before_relax): Likewise.
* config/tc-i386.c (md_assemble <Output jumps>): Don't lose part
of a complex expression when setting up frag_var.
value, not the word beyond maximum.
* tc_mips.c (macro_build_lui): Code cleanup.
(macro): Reflect change to MAX_GPREL_OFFSET.
(mips_ip): Check explicitly against S_EX_NONE.
(my_get_SmallExpression): parse for %gp_rel, not %gprel.
(md_apply_fix): Code cleanup.
return values.
(mips_ip): Use the new return values instead of characters. Add
support for %higher and %highest.
(LP): Remove.
(RP): Remove.
(my_getSmallExpression): Make parsing case insensitive and more
reliable. Add support for %higher and %highest. Further support to
parse %gprel and %neg is implemented but currently deactivated.
-mipsX is specified. Make both -mcpu/-march and -mcpu/-mtune pairs
mutually exclusive (if they are different).
(md_parse_option): Warn if an -march/-mtune/-mcpu/-m<cpu> option is
set more than once.
* config/tc-mips.c (mips_fp32, mips_32bit_abi): New static variables.
(md_long_opts): Add -mfp32 option.
(md_parse_option): Handle it. Set mips_32bit_abi given -mabi=32.
(md_show_usage): Show usage for -mfp32 and -mgp32.
(HAVE_32BIT_GPRS, HAVE_32BIT_FPRS): New macros.
(HAVE_64BIT_GPRS, HAVE_64BIT_FPRS): New macros, inverse of the above.
(HAVE_32BIT_ADDRESSES): New macro.
(load_register): Use HAVE_32BIT_GPRS to determine the register width.
(load_address): Use HAVE_32BIT_ADDRESSES to determine the address size.
(s_cprestore, s_cpadd): Likewise.
(macro): Use HAVE_32BIT_GPRS to determine the width of registers
used in branch and M_LI_D macros. Use HAVE_64BIT_FPRS to determine
the width registers used in M_LI_DD macros. Use HAVE_32BIT_ADDRESSES
to determine the width of addresses in load, store and jump macros.
(macro2): Use HAVE_32BIT_GPRS to determine the width of registers
used in set instructions; do not check the address size for them.
Use HAVE_32BIT_ADDRESSES to determine the width of addresses in
unaligned load and store macros.
(mips_ip): Use the new macros to check the width of a register when
processing float constants. Force a constant into memory if it is
destined for an FPR and the FPRs are wider than the GPRs. Warn about
odd FPR numbers if HAVE_32BIT_FPRS. Use HAVE_32BIT_GPRS rather
than mips_gp32 to select synthetic instructions.
(macro_build): Use HAVE_32BIT_GPRS rather than mips_gp32 to select
synthetic instructions.
* config/tc-mips.c (md_estimate_size_before_relax): Make sure
we treat weak like extern only for ELF.
(mips_fix_adjustable): Make sure we don't adjust extern/weak
symbols only for ELF.
* config/tc-mips.c (md_apply_fix): Prevent addend from becoming zero
if it's expected to be non-zero.
[gas/testsuite]
* gas/mips/elf-rel3.s: Add zero word to end of file.
* NEWS: Updated for the new -n option for the MIPS assembler.
* config/tc-mips.c (md_show_usage): Add -n.
* doc/as.texinfo: Document the new -n option.
* doc/c-mips.texi: Likewise.
* doc/as.1: Regenerated.
* config/tc-mips.c (warn_nops): New variable. Set to 0 to
disable warning about all NOPS that the assembler generates.
(macro): Warn NOPS generated only if warn_nops is not 0.
(md_shortopts): Add `n'.
(md_parse_option): Set warn_nops to 1 for `n'.
* config/tc-mips.c (md_apply_fix): Don't adjust common
extern/weak symbols for ELF.
(md_estimate_size_before_relax): Treat weak like extern for
ELF.
(mips_fix_adjustable): Don't adjust extern/weak symbols for
ELF.
* Makefile.in: Regenerate.
* config/tc-mips.c (mips16_mark_labels): Reduce number of calls to
S_GET_VALUE by using a temp.
(append_insn): Likewise, and for S_GET_VALUE too.
(mips_emit_delays): Likewise.
(my_getExpression): Likewise.
(md_apply_fix): Likewise. Use "valueT" rather than "long" for "value".
(mips16_extended_frag): Remove code concerned with avoiding
locking in a frag address now that symbols are not finalized until
relaxation is complete. Cater for first relaxation pass having
bogus addresses. Use relax_marker to reliably determine whether a
symbol frag has been reached on the current pass.
* config/tc-mips.c: Support ELF64 for traditional MIPS targets.
* Makefile.am: (TARG_ENV_HFILES): Add tc-mips.h.
* Makefile.in: Regenerated.
* configure.in: Use traditional MIPS targets for Linux/MIPS.
* configure: Regenerated.
* configure.in: Add entry for mips-*-sysv4*MP*
* configure: Rebuild
* config/tc-mips.c (mips_target_format): Return elf32-tradbigmips or
elf32-tradlittlemips for traditional mips targets.
* config/tc-mips.c (md_estimate_size_before_relax): Duplicate the
test for Link Once sections as in adjust_reloc_syms.
* config/te-tmips.h: New file for traditional mips targets. Define
TE_TMIPS.
* elf32-mips.c (mips_elf_next_relocation): Rename from
mips_elf_next_lo16_relocation, and generalize to look
for any relocation type.
(elf_mips_howto_table): Make R_MIPS_PC16 pcrel_offset.
(elf_mips_gnu_rel_hi16): Howto for R_MIPS_GNU_REL_HI16.
(elf_mips_gnu_rel_lo16): Howto for R_MIPS_GNU_REL_LO16.
(elf_mips_gnu_rel16_s2): Howto for R_MIPS_GNU_REL16_S2.
(elf_mips_gnu_pcrel64): Howto for R_MIPS_PC64.
(elf_mips_gnu_pcrel32): Howto for R_MIPS_PC32.
(bfd_elf32_bfd_reloc_type_lookup): Add new relocs.
(mips_rtype_to_howto): Likewise.
(mips_elf_calculate_relocation): Handle new relocs.
(_bfd_mips_elf_relocate_section): REL_HI16/REL_LO16 relocs
are paired. The addend for R_MIPS_GNU_REL16_S2
is shifted right two bits.
In gas/:
* config/tc-mips.c (mips_ip): Don't put stuff in .rodata
when embedded-pic.
* config/tc-mips.c (SWITCH_TABLE): The ELF embedded-pic
implementation doesn't have special handling for switch
statements.
(macro_build): Allow for code in sections other than .text.
(macro): Likewise.
(mips_ip): Likewise.
(md_apply_fix): Do pc-relative relocation madness for MIPS ELF.
Don't perform relocs if we will be outputting them.
(tc_gen_reloc): For ELF, just use fx_addnumber for pc-relative
relocations. Allow BFD_RELOC_16_PCREL_S2 relocs when
embedded-pic.
In gas/testsuite/:
* gas/mips/empic.d: New file.
* gas/mips/empic.s: New file.
* gas/mips/mips16-e.d: New file.
* gas/mips/mips16-e.s: New file.
* gas/mips/mips16-f.d: New file.
* gas/mips/mips16-f.s: New file.
* gas/mips/mips.exp: Add empic, mips16-e. Add mips16-f as an
expected failure.
In include/elf:
* mips.h: Add R_MIPS_GNU_REL_HI16, R_MIPS_GNU_REL_LO16,
R_MIPS_GNU_REL16_S2, R_MIPS_PC64 and R_MIPS_PC32 relocation
numbers.
* config/tc-mips.c (mips_gp32): New variable.
(macro_build) Use mips_gp32.
(mips_ip): Ditto.
(md_longopts): Add "-mgp32" and "-mgp64".
(md_parse_option): Add OPTION_GP32 and OPTION_GP64.
* mips.h (OPCODE_IS_MEMBER): New.
For gas:
* config/tc-mips.c (macro_build): Use OPCODE_IS_MEMBER.
(mips_ip): Use OPCODE_IS_MEMBER.
For opcodes:
* mips-dis.c (_print_insn_mips): Use OPCODE_IS_MEMBER.
(ISA_HAS_64_BIT_REGS) New.
(gpr_interlocks,md_begin,reg_needs_delay,append_insn,
mips_emit_delays,macro_build,load_register,load_addresss,
macro,macro2,mips_ip,s_cprestore,s_cpadd): Simplify
and/or use new ISA_xxx macros in expressions involving
ISA, particularly mips_opts.isa.
* itbl-ops.c (itbl_get_reg_val): Add pval parameter. Return
indication of success rather than a value.
(itbl_get_val): Likewise.
(itbl_get_field): Use strcspn. Change delimiters to include
parens.
* itbl-ops.h (itbl_get_reg_val): Update declaration.
(itbl_get_val): Likewise.
* config/tc-mips.c (mips_ip): Update call to itbl_get_reg_val.
Thiemo Seufer
H.J. Lu
Eric Christopher
Alan Modra
Kazu Hirata
Richard Sandiford
Chris Demetriou
Nick Clifton
Richard Henderson
Ulf Carlsson
Aldy Hernandez
Geoffrey Keating
Andrew Haley
Catherine Moore
Clinton Popetz
Gavin Romig-Koch
Ian Lance Taylor
Doug Evans