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/* this is tc-z80.h
Copyright (C) 2005-2020 Free Software Foundation, Inc.
Contributed by Arnold Metselaar <arnold_m@operamail.com>
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of .the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
#ifndef TC_Z80
#define TC_Z80
#define TARGET_ARCH bfd_arch_z80
#ifndef OBJ_COFF
#define TARGET_FORMAT "elf32-z80"
#endif
#define BFD_ARCH TARGET_ARCH
#define COFF_MAGIC 0x5A80
#define TARGET_BYTES_BIG_ENDIAN 0
/* If you define this macro, GAS will warn about the
use of nonstandard escape sequences in a string. */
#define ONLY_STANDARD_ESCAPES
/* GAS will call this function for any expression that can not be
recognized. When the function is called, `input_line_pointer'
will point to the start of the expression. */
#define md_operand(x)
/* This should just call either `number_to_chars_bigendian' or
`number_to_chars_littleendian', whichever is appropriate. On
targets like the MIPS which support options to change the
endianness, which function to call is a runtime decision. On
other targets, `md_number_to_chars' can be a simple macro. */
#define md_number_to_chars number_to_chars_littleendian
#define TC_COUNT_RELOC(x) 1
#define TC_COFF_FIX2RTYPE(fixP) tc_coff_fix2rtype (fixP)
#define md_convert_frag(b,s,f) as_fatal ("convert_frag called\n")
#define md_estimate_size_before_relax(f,s) \
(as_fatal (_("estimate_size_before_relax called")), 1)
/* Define some functions to be called by generic code. */
#define md_end z80_md_end
#define md_start_line_hook() { if (z80_start_line_hook ()) continue; }
#define TC_CONS_FIX_NEW(f,w,s,e,r) z80_cons_fix_new ((f), (w), (s), (e))
extern void z80_md_end (void);
extern int z80_start_line_hook (void);
extern void z80_cons_fix_new (fragS *, int, int, expressionS *);
#define WORKING_DOT_WORD
/* If you define this macro, it means that `tc_gen_reloc' may return
multiple relocation entries for a single fixup. In this case, the
return value of `tc_gen_reloc' is a pointer to a null terminated
array. */
#undef RELOC_EXPANSION_POSSIBLE
/* No shared lib support, so we don't need to ensure
externally visible symbols can be overridden. */
#define EXTERN_FORCE_RELOC 0
/* Values passed to md_apply_fix3 don't include the symbol value. */
#define MD_APPLY_SYM_VALUE(FIX) 0
#define LISTING_WORD_SIZE 1
/* A single '=' is accepted as a comparison operator. */
#define O_SINGLE_EQ O_eq
/* A '$' is used to refer to the current location or as a hex. prefix. */
#define DOLLAR_DOT
#define DOLLAR_AMBIGU 1
#define LOCAL_LABEL_PREFIX '.'
#define LOCAL_LABELS_FB 1
#define LOCAL_LABELS_DOLLAR 1
#define LITERAL_PREFIXPERCENT_BIN
#define NUMBERS_WITH_SUFFIX 1
#define NO_PSEUDO_DOT 1
/* We allow single quotes to delimit character constants as
well, but it is cleaner to handle that in tc-z80.c. */
#define SINGLE_QUOTE_STRINGS
#define LABELS_WITHOUT_COLONS (z80_tc_labels_without_colon())
extern int z80_tc_labels_without_colon (void);
/* An `.lcomm' directive with no explicit alignment parameter will
use this macro to set P2VAR to the alignment that a request for
SIZE bytes will have. The alignment is expressed as a power of
two. If no alignment should take place, the macro definition
should do nothing. Some targets define a `.bss' directive that is
also affected by this macro. The default definition will set
P2VAR to the truncated power of two of sizes up to eight bytes. */
#define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) (P2VAR) = 0
/* It does not make any sense to perform arithmetic on the numbers
we use to identify registers. */
#define md_register_arithmetic 0
#define TC_LABEL_IS_LOCAL z80_tc_label_is_local
extern int z80_tc_label_is_local (const char *name);
#define elf_tc_final_processing z80_elf_final_processing
extern void z80_elf_final_processing (void);
/* Define the column that represents the PC. */
#define DWARF2_DEFAULT_RETURN_COLUMN 5
/* The stack grows down, and is only byte aligned. */
#define DWARF2_CIE_DATA_ALIGNMENT -1
/* Z80 instructions are 1 or 4 bytes long. */
#define DWARF2_LINE_MIN_INSN_LENGTH 1
/* 16 bits addresses are used on Z80. */
#define DWARF2_ADDR_SIZE(bfd) z80_dwarf2_addr_size(bfd)
extern int z80_dwarf2_addr_size (const bfd *abfd);
/* CFI hooks. */
#define tc_cfi_frame_initial_instructions z80_tc_frame_initial_instructions
extern void z80_tc_frame_initial_instructions (void);
#define tc_regname_to_dw2regnum z80_tc_regname_to_dw2regnum
extern int z80_tc_regname_to_dw2regnum (const char *regname);
#endif
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