[thirdparty/binutils-gdb.git] / gas / config / tc-maxq.h

/* tc-maxq.h -- Header file for the assembler(MAXQ)

   Copyright 2004, 2005, 2007  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 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_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 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

/* 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);

#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
   characters which may appear in an operand. GAS already assumes that all
   alphanumeric characters, and '$', '.', and '_' may appear in an
   operand("symbol_char"in app.c). This macro may be defined to treat
   additional characters 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 */
Commit	Line	Data
708587a4	1	/* tc-maxq.h -- Header file for the assembler(MAXQ)
7499d566	2
ec2655a6	3	Copyright 2004, 2005, 2007 Free Software Foundation, Inc.
7499d566 NC	4
	5	Contributed by HCL Technologies Pvt. Ltd.
	6
	7	Written by Vineet Sharma(vineets@noida.hcltech.com) Inderpreet
	8	S.(inderpreetb@noida.hcltech.com)
	9
	10	This file is part of GAS.
	11
	12	GAS is free software; you can redistribute it and/or modify it under the
	13	terms of the GNU General Public License as published by the Free Software
ec2655a6	14	Foundation; either version 3, or (at your option) any later version.
7499d566 NC	15
	16	GAS is distributed in the hope that it will be useful, but WITHOUT ANY
	17	WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
	18	FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
	19	details.
	20
	21	You should have received a copy of the GNU General Public License along
	22	with GAS; see the file COPYING. If not, write to the Free Software
4b4da160	23	Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
7499d566 NC	24
	25	#ifndef _TC_MAXQ_H_
	26	#define _TC_MAXQ_H_
	27
	28	#ifndef NO_RELOC
	29	#define NO_RELOC 0
	30	#endif
	31
	32	/* `md_short_jump_size' `md_long_jump_size' `md_create_short_jump'
	33	`md_create_long_jump' If `WORKING_DOT_WORD' is defined, GAS will not do
	34	broken word processing (*note Broken words::.). Otherwise, you should set
	35	`md_short_jump_size' to the size of a short jump (a jump that is just long
	36	enough to jump around a long jmp) and `md_long_jump_size' to the size of a
	37	long jump (a jump that can go anywhere in the function), You should define
	38	`md_create_short_jump' to create a short jump around a long jump, and
	39	define `md_create_long_jump' to create a long jump. */
	40	#define WORKING_DOT_WORD
	41	typedef enum _RELOC_ENUM
	42	{
	43	MAXQ_WORDDATA = 5, /* Word+n. */
	44	MAXQ_LONGDATA = 2, /* Long+n. */
	45	MAXQ_INTERSEGMENT = 4, /* Text to any other segment. */
	46	MAXQ_SHORTJUMP = BFD_RELOC_16_PCREL_S2, /* PC Relative. */
	47	MAXQ_LONGJUMP = 6, /* Absolute Jump. */
	48	EXTERNAL_RELOC = 8,
	49	INTERSEGMENT_RELOC
	50	}
	51	RELOC_ENUM;
	52
7499d566 NC	53	#ifndef MAX_STACK
	54	#define MAX_STACK 0xf
	55	#endif
	56
	57	#ifndef TC_MAXQ20
	58	#define TC_MAXQ20 1
	59	#endif
	60
	61	#ifndef MAX_OPERAND_SIZE
	62	#define MAX_OPERAND_SIZE 255
	63	#endif
	64
	65	#ifndef MAXQ_INSTRUCTION_SIZE
	66	#define MAXQ_INSTRUCTION_SIZE 2 /* 16 - BITS */
	67	#endif
	68
	69	#if MAXQ_INSTRUCTION_SIZE
	70	#define MAXQ_OCTETS_PER_BYTE MAXQ_INSTRUCTION_SIZE
	71	#else
	72	#define MAXQ_OCTETS_PER_BYTE OCTETS_PER_BYTE
	73	#endif
	74
	75	/* if this macro is defined gas will use this instead of comment_chars. */
	76	#define tc_comments_chars maxq20_comment_chars
	77
	78	#define tc_coff_symbol_emit_hook(a) ; /* not used */
	79
	80	#define md_section_align(SEGMENT, SIZE) (SIZE)
	81
	82	/* Locally defined symbol shoudnot be adjusted to section symbol. */
	83	#define tc_fix_adjustable(FIX) 0
	84
7499d566 NC	85	/* This specifies that the target has been defined as little endian -
	86	default. */
	87	#define TARGET_BYTES_BIG_ENDIAN 0
	88
	89	#define MAX_MEM_NAME_SIZE 12
	90	#define MAX_REG_NAME_SIZE 7
	91	#define MAX_MNEM_SIZE 8
	92
	93	#define END_OF_INSN '\0'
	94
	95	/* This macro is the BFD archetectureto pass to 'bfd_set_arch_mach'. */
	96	#define TARGET_ARCH bfd_arch_maxq
	97
	98	/* This macro is the BFD machine number to pass to 'bfd_set_arch_mach'.
	99	If not defines GAS will use 0. */
	100	#define TARGET_MACH maxq20_mach ()
	101	extern unsigned long maxq20_mach (void);
	102
7499d566 NC	103	#ifndef LEX_AT
	104	/* We define this macro to generate a fixup for a data allocation pseudo-op. */
	105	#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) maxq20_cons_fix_new (FRAG,OFF,LEN,EXP)
	106	extern void maxq20_cons_fix_new (fragS , unsigned int, unsigned int, expressionS );
	107	#endif
	108
	109	/* Define md_number_to_chars as the appropriate standard big endian or This
	110	should just call either `number_to_chars_bigendian' or
	111	`number_to_chars_littleendian', whichever is appropriate. On targets like
	112	the MIPS which support options to change the endianness, which function to
	113	call is a runtime decision. On other targets, `md_number_to_chars' can be
	114	a simple macro. */
	115	#define md_number_to_chars maxq_number_to_chars
	116	extern void maxq_number_to_chars (char *, valueT, int);
	117
	118	/* If this macro is defined, it is a pointer to a NULL terminated list of
708587a4 KH	119	characters which may appear in an operand. GAS already assumes that all
708587a4 KH	120	alphanumeric characters, and '$', '.', and '_' may appear in an
7499d566	121	operand("symbol_char"in app.c). This macro may be defined to treat
708587a4	122	additional characters as appearing in an operand. This affects the way in
7499d566 NC	123	which GAS removes whitespaces before passing the string to md_assemble. */
	124	#define tc_symbol_chars_extra_symbol_chars
	125
	126	/* Define away the call to md_operand in the expression parsing code. This is
	127	called whenever the expression parser can't parse the input and gives the
	128	assembler backend a chance to deal with it instead. */
	129	#define md_operand(x)
	130
	131	#define MAX_OPERANDS 2 /* Max operands per instruction. */
	132	#define MAX_IMMEDIATE_OPERANDS 1 /* Max immediate operands per instruction. */
	133	#define MAX_MEMORY_OPERANDS 1 /* Max memory operands per instruction. */
	134
	135	/* Define the prefix we are using while trying to use an immediate value in
	136	an instruction. e.g move A[0], #03h. */
	137	#define IMMEDIATE_PREFIX '#'
	138
	139	#define ABSOLUTE_PREFIX '@'
	140
	141	/* This here defines the opcode of the nop operation on the MAXQ. We did
	142	declare it here when we tried to fill the align bites with nop's but GAS
	143	only expects nop's to be single byte instruction. */
	144	#define NOP_OPCODE (char)0xDA3A
	145
	146	#define SIZE_OF_PM sizeof(pmodule) /* Size of the structure. */
	147
	148	#endif /* TC_MAXQ_H */