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Diffstat (limited to 'gas/config/tc-maxq.h')
| -rw-r--r-- | gas/config/tc-maxq.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/gas/config/tc-maxq.h b/gas/config/tc-maxq.h new file mode 100644 index 0000000..73ba9a9 --- /dev/null +++ b/gas/config/tc-maxq.h @@ -0,0 +1,172 @@ +/* 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 */ |