mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-15 05:13:35 +08:00
173 lines
6.1 KiB
C
173 lines
6.1 KiB
C
|
/* tc-maxq.h -- Header file for the asssembler(MAXQ)
|
||
|
|
||
|
Copyright 2004 Free Software Foundation, Inc.
|
||
|
|
||
|
Contributed by HCL Technologies Pvt. Ltd.
|
||
|
|
||
|
Written by Vineet Sharma(vineets@noida.hcltech.com) Inderpreet
|
||
|
S.(inderpreetb@noida.hcltech.com)
|
||
|
|
||
|
This file is part of GAS.
|
||
|
|
||
|
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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||
|
|
||
|
#ifndef _TC_MAXQ_H_
|
||
|
#define _TC_MAXQ_H_
|
||
|
|
||
|
#ifndef NO_RELOC
|
||
|
#define NO_RELOC 0
|
||
|
#endif
|
||
|
|
||
|
/* `md_short_jump_size' `md_long_jump_size' `md_create_short_jump'
|
||
|
`md_create_long_jump' If `WORKING_DOT_WORD' is defined, GAS will not do
|
||
|
broken word processing (*note Broken words::.). Otherwise, you should set
|
||
|
`md_short_jump_size' to the size of a short jump (a jump that is just long
|
||
|
enough to jump around a long jmp) and `md_long_jump_size' to the size of a
|
||
|
long jump (a jump that can go anywhere in the function), You should define
|
||
|
`md_create_short_jump' to create a short jump around a long jump, and
|
||
|
define `md_create_long_jump' to create a long jump. */
|
||
|
#define WORKING_DOT_WORD
|
||
|
typedef enum _RELOC_ENUM
|
||
|
{
|
||
|
MAXQ_WORDDATA = 5, /* Word+n. */
|
||
|
MAXQ_LONGDATA = 2, /* Long+n. */
|
||
|
MAXQ_INTERSEGMENT = 4, /* Text to any other segment. */
|
||
|
MAXQ_SHORTJUMP = BFD_RELOC_16_PCREL_S2, /* PC Relative. */
|
||
|
MAXQ_LONGJUMP = 6, /* Absolute Jump. */
|
||
|
EXTERNAL_RELOC = 8,
|
||
|
INTERSEGMENT_RELOC
|
||
|
}
|
||
|
RELOC_ENUM;
|
||
|
|
||
|
#ifndef NEED_FX_R_TYPE
|
||
|
#define NEED_FX_R_TYPE /* For defining our own rloc type. */
|
||
|
#endif
|
||
|
|
||
|
#ifndef MAX_STACK
|
||
|
#define MAX_STACK 0xf
|
||
|
#endif
|
||
|
|
||
|
#ifndef TC_MAXQ20
|
||
|
#define TC_MAXQ20 1
|
||
|
#endif
|
||
|
|
||
|
#ifndef MAX_OPERAND_SIZE
|
||
|
#define MAX_OPERAND_SIZE 255
|
||
|
#endif
|
||
|
|
||
|
#ifndef MAXQ_INSTRUCTION_SIZE
|
||
|
#define MAXQ_INSTRUCTION_SIZE 2 /* 16 - BITS */
|
||
|
#endif
|
||
|
|
||
|
#if MAXQ_INSTRUCTION_SIZE
|
||
|
#define MAXQ_OCTETS_PER_BYTE MAXQ_INSTRUCTION_SIZE
|
||
|
#else
|
||
|
#define MAXQ_OCTETS_PER_BYTE OCTETS_PER_BYTE
|
||
|
#endif
|
||
|
|
||
|
/* if this macro is defined gas will use this instead of comment_chars. */
|
||
|
#define tc_comments_chars maxq20_comment_chars
|
||
|
|
||
|
#define tc_coff_symbol_emit_hook(a) ; /* not used */
|
||
|
|
||
|
#define md_section_align(SEGMENT, SIZE) (SIZE)
|
||
|
|
||
|
/* Locally defined symbol shoudnot be adjusted to section symbol. */
|
||
|
#define tc_fix_adjustable(FIX) 0
|
||
|
|
||
|
#define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep (frag)
|
||
|
extern int tc_coff_sizemachdep (fragS * frag);
|
||
|
|
||
|
/* This specifies that the target has been defined as little endian -
|
||
|
default. */
|
||
|
#define TARGET_BYTES_BIG_ENDIAN 0
|
||
|
|
||
|
#define MAX_MEM_NAME_SIZE 12
|
||
|
#define MAX_REG_NAME_SIZE 7
|
||
|
#define MAX_MNEM_SIZE 8
|
||
|
|
||
|
#define END_OF_INSN '\0'
|
||
|
|
||
|
/* This macro is the BFD archetectureto pass to 'bfd_set_arch_mach'. */
|
||
|
#define TARGET_ARCH bfd_arch_maxq
|
||
|
|
||
|
/* This macro is the BFD machine number to pass to 'bfd_set_arch_mach'.
|
||
|
If not defines GAS will use 0. */
|
||
|
#define TARGET_MACH maxq20_mach ()
|
||
|
extern unsigned long maxq20_mach (void);
|
||
|
|
||
|
/* COFF format. */
|
||
|
#ifndef BFD_ASSEMBLER
|
||
|
|
||
|
/* Defines the magic number we are using for the maxq-coff. defined in coff.h. */
|
||
|
#define COFF_MAGIC MAXQ20MAGIC
|
||
|
#define BFD_ARCH bfd_arch_maxq
|
||
|
|
||
|
/* Whether the reloc should be outputted to the file or not. This
|
||
|
is only true if the symbol we are relocating for is not empty. */
|
||
|
#define TC_COUNT_RELOC(fixp) ((fixp) -> fx_addsy != NULL)
|
||
|
|
||
|
/* This macro translates between an internal fix and an coff reloc type. */
|
||
|
#define TC_COFF_FIX2RTYPE(fixP) tc_coff_fix2rtype (fixP)
|
||
|
extern short tc_coff_fix2rtype (struct fix *);
|
||
|
|
||
|
#endif /* BFD_ASSEMBLER */
|
||
|
|
||
|
#ifndef LEX_AT
|
||
|
/* We define this macro to generate a fixup for a data allocation pseudo-op. */
|
||
|
#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) maxq20_cons_fix_new (FRAG,OFF,LEN,EXP)
|
||
|
extern void maxq20_cons_fix_new (fragS *, unsigned int, unsigned int, expressionS *);
|
||
|
#endif
|
||
|
|
||
|
/* Define md_number_to_chars as the appropriate standard big endian or 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 maxq_number_to_chars
|
||
|
extern void maxq_number_to_chars (char *, valueT, int);
|
||
|
|
||
|
/* If this macro is defined, it is a pointer to a NULL terminated list of
|
||
|
chracters which may appear in an operand. GAS already assumes that all
|
||
|
alphanumeric chracters, and '$', '.', and '_' may appear in an
|
||
|
operand("symbol_char"in app.c). This macro may be defined to treat
|
||
|
additional chracters as appearing in an operand. This affects the way in
|
||
|
which GAS removes whitespaces before passing the string to md_assemble. */
|
||
|
#define tc_symbol_chars_extra_symbol_chars
|
||
|
|
||
|
/* Define away the call to md_operand in the expression parsing code. This is
|
||
|
called whenever the expression parser can't parse the input and gives the
|
||
|
assembler backend a chance to deal with it instead. */
|
||
|
#define md_operand(x)
|
||
|
|
||
|
#define MAX_OPERANDS 2 /* Max operands per instruction. */
|
||
|
#define MAX_IMMEDIATE_OPERANDS 1 /* Max immediate operands per instruction. */
|
||
|
#define MAX_MEMORY_OPERANDS 1 /* Max memory operands per instruction. */
|
||
|
|
||
|
/* Define the prefix we are using while trying to use an immediate value in
|
||
|
an instruction. e.g move A[0], #03h. */
|
||
|
#define IMMEDIATE_PREFIX '#'
|
||
|
|
||
|
#define ABSOLUTE_PREFIX '@'
|
||
|
|
||
|
/* This here defines the opcode of the nop operation on the MAXQ. We did
|
||
|
declare it here when we tried to fill the align bites with nop's but GAS
|
||
|
only expects nop's to be single byte instruction. */
|
||
|
#define NOP_OPCODE (char)0xDA3A
|
||
|
|
||
|
#define SIZE_OF_PM sizeof(pmodule) /* Size of the structure. */
|
||
|
|
||
|
#endif /* TC_MAXQ_H */
|