106 lines
3.9 KiB
C
106 lines
3.9 KiB
C
/* this is tc-z80.h
|
|
Copyright 2005 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 2, 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
|
|
#define BFD_ARCH TARGET_ARCH
|
|
#define COFF_MAGIC 0x5A80
|
|
#define TARGET_MACH 0
|
|
#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 z80_cons_fix_new
|
|
|
|
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 2
|
|
|
|
/* 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_LABELS_FB 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 NO_STRING_ESCAPES
|
|
|
|
/* 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
|
|
|
|
#endif
|