| /* 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 */ |