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.
(md_apply_fix): Use it here. Replace printf with equivalent
as_bad_where.
(tc_gen_reloc): Use as_bad_where instead of as_bad.
(md_apply_fix): Here too.
* config/tc-i386.c (tc_gen_reloc): Use as_bad_where instead of as_bad.
* config/tc-m68k.c (tc_gen_reloc): Likewise.
(md_convert_frag_1): Likewise.
(md_assemble [smallest displacement]): Use correct field of i.op[] union.
(md_assemble [JumpInterSegment output]): Use correct i.disp_reloc[].
(md_assemble [immediate output]): Likewise.
* config/tc-i386.c (tc_gen_reloc): Remove ugly hack which is not needed
anymore since we use bfd_elf_generic_reloc now.
(md_apply_fix3): Only apply hack for partial_inplace if not using RELA.
instruction sequence consisting of a conditional jump of the
opposite sense around an unconditional jump to the target.
Add jumps/nojumps .arch modifier.
* tc-i386.c (md_assemble): Return after the error message;
move testing for 64bit operands to proper place.
* i386.exp: Add tests for presence of 32bit versus 64bit output
format; run both 64bit and 32bit tests when format is available;
add x86_64 test.
* x86_64.s: New file.
* x86_64.d: New file.
(QWORD_MNEM_SUFFIX): New macro.
(CpuK6,CpuAthlon,CpuSledgehammer, Cpu64, CpuNo64, CpuUnknownFlags):
New macros
(CpuMMX,CpuSSE,Cpu3dnow, CpuUnknown): Renumber.
(IgnoreSize, DefaultSize, No_?Suf, FWait, IsString, regKludge, IsPrefix,
ImmExt): Renumber.
(Size64, No_qSuf, NoRex64, Rex64): New macros.
(Reg64, Imm32S, Imm64, Disp32S, Disp64): New macros.
(Imm8, Imm8S, Imm16, Imm32, Imm1, BaseIndex, Disp8, Disp16, Disp32,
InOutPortReg,ShiftCount, Control, Debug, Test, FloatReg, FloatAcc,
SReg2, SReg3, Acc, JumpAbsolute, RegMMX, RegXMM, EsSeg, InvMem): Renumber.
(Reg, WordReg): Add Reg64.
(Imm): Add Imm32S and Imm64.
(EncImm): New.
(Disp): Add Disp64 and Disp32S.
(AnyMem): Add Disp32S.
(RegRex, RegRex64): New macros.
(rex_byte): New type.
* tc-i386.c (set_16bit_code_flag): Kill.
(fits_in_unsigned_long, fits_in_signed_long): New functions.
(reloc): New parameter "signed"; support x86_64.
(set_code_flag): New.
(DEFAULT_ARCH): New macro; default to "i386".
(default_arch): New static variable.
(struct _i386_insn): New fields Operand_PCrel; rex.
(flag_16bit_code): Kill; All tests replaced to "flag_code == CODE_64BIT";
(flag_code): New enum and static variable.
(use_rela_relocations): New static variable.
(flag_code_names): New static variable.
(cpu_arch_flags): Default to CpuUnknownFlags|CpuNo64.
(cpu_arch): Add "sledgehammer"; Add CPUAthlon to Athlon and CpuK6 to
K6 and Athlon.
(i386_align_code): Return plain "nop" for x86_64.
(mode_from_disp_size): Support Disp32S.
(smallest_imm_type): Support Imm32S and Imm64.
(offset_in_range): Support size of 8.
(set_cpu_arch): Do not clobber to Cpu64/CpuNo64.
(md_pseudo_table): Add "code64"; use set_code_flat.
(md_begin): Emit sane error message on hash failure.
(tc_i386_fix_adjustable): Support x86_64 relocations.
(md_assemble): Support QWORD_MNEM_SUFFIX, REX registers,
instructions supported on particular arch just partially,
output of 64bit immediates, handling of Imm32S and Disp32S type.
(i386_immedaite): Support x86_64 relocations; support 64bit constants.
(i386_displacement): Likewise.
(i386_index_check): Cleanup; support 64bit addresses.
(md_apply_fix3): Support x86_64 relocation and rela.
(md_longopts): Add "32" and "64".
(md_parse_option): Add OPTION_32 and OPTION_64.
(i386_target_format): Call even for ELFs; choose between
elf64-x86-64 and elf32-i386.
(i386_validate_fix): Refuse GOTOFF in 64bit mode.
(tc_gen_reloc): Support rela relocations and x86_64.
(intel_e09_1): Support QWORD.
* i386.h (i386_optab): Replace "Imm" with "EncImm".
(i386_regtab): Add flags field.
* config/tc-i386.c (intel_e09_1): Only flag as a memory operand if
it's not an offset expression.
(intel_e10_1): Ditto. Also, if the operand is an offset expression,
keep the braces '[' and ']' in the output string.
(intel_e11): Ditto. Also remove comparison intel_parser.op_modifier
!= FLAT. There is no such op_modifier.
* tc-i386.c (md_assemble): Swap i.disp_relocs when using intel
syntax.
2000-11-30 Diego Novillo <dnovillo@redhat.com>
* intel.s, intel.d: New test for @GOT references.
* tc-i386.c (i386_operand_modifier): Remove.
(build_displacement_string): Remove.
(i386_parse_seg): Remove.
(i386_intel_memory_operand): Remove.
(i386_intel_operand): Re-write using recursive descent parser based
on MASM documentation.
(struct intel_parser_s): New structure.
(intel_parser): New static variable.
(struct intel_token): New structure.
(cur_token, prev_token): New static variables.
(T_NIL): Define.
(T_CONST): Define.
(T_REG): Define.
(T_BYTE): Define.
(T_WORD): Define.
(T_DWORD): Define.
(T_QWORD): Define.
(T_XWORD): Define.
(T_SHORT): Define.
(T_OFFSET): Define.
(T_PTR): Define.
(T_ID): Define.
(intel_match_token): New function.
(intel_get_token): New function.
(intel_putback_token): New function.
(intel_expr): New function.
(intel_e05): New function.
(intel_e05_1): New function.
(intel_e06): New function.
(intel_e06_1): New function.
(intel_e09): New function.
(intel_e09_1): New function.
(intel_e10): New function.
(intel_e10_1): New function.
(intel_e11): New function.
2000-10-24 Diego Novillo <dnovillo@cygnus.com>
* intel.s, intel.d: Add new tests for intel syntax.
2000-10-15 Diego Novillo <dnovillo@cygnus.com>
* config/tc-i386.c (i386_operand_modifier): Only match
modifiers SHORT and FLAT if they are followed by a space.
(parse_register): When `allow_naked_reg' is set, do not confuse
identifiers that start with a register name with a register.
gas/testsuite:
2000-10-15 Diego Novillo <dnovillo@cygnus.com>
* intel.s, intel.d: Add new tests for naked registers using intel
syntax.
Alan Modra
H.J. Lu
Matthew Green
Nick Clifton
Andreas Jaeger
Jan Hubicka
Kazu Hirata
Diego Novillo
Richard Henderson
DJ Delorie