/* This file is tc-msp430.h Copyright (C) 2002, 2004 Free Software Foundation, Inc. Contributed by Dmitry Diky <diwil@mail.ru> 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef BFD_ASSEMBLER #error MSP430 support requires BFD_ASSEMBLER #endif #define TC_MSP430 /* By convention, you should define this macro in the `.h' file. For example, `tc-m68k.h' defines `TC_M68K'. You might have to use this if it is necessary to add CPU specific code to the object format file. */ #define TARGET_FORMAT "elf32-msp430" /* This macro is the BFD target name to use when creating the output file. This will normally depend upon the `OBJ_FMT' macro. */ #define TARGET_ARCH bfd_arch_msp430 /* This macro is the BFD architecture to pass to `bfd_set_arch_mach'. */ #define TARGET_MACH 0 /* This macro is the BFD machine number to pass to `bfd_set_arch_mach'. If it is not defined, GAS will use 0. */ #define TARGET_BYTES_BIG_ENDIAN 0 /* You should define this macro to be non-zero if the target is big endian, and zero if the target is little endian. */ #define ONLY_STANDARD_ESCAPES /* If you define this macro, GAS will warn about the use of nonstandard escape sequences in a string. */ #define md_operand(x) /* 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_number_to_chars number_to_chars_littleendian /* 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 WORKING_DOT_WORD /* `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 MD_APPLY_FIX3 #define TC_HANDLES_FX_DONE #undef RELOC_EXPANSION_POSSIBLE /* 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. */ #define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC) /* If you define this macro, it should return the offset between the address of a PC relative fixup and the position from which the PC relative adjustment should be made. On many processors, the base of a PC relative instruction is the next instruction, so this macro would return the length of an instruction. */ extern long md_pcrel_from_section (struct fix *, segT); #define LISTING_WORD_SIZE 2 /* The number of bytes to put into a word in a listing. This affects the way the bytes are clumped together in the listing. For example, a value of 2 might print `1234 5678' where a value of 1 would print `12 34 56 78'. The default value is 4. */ #define LEX_DOLLAR 0 /* MSP430 port does not use `$' as a logical line separator */ #define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) (P2VAR) = 0 /* 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 md_relax_frag(SEG, FRAGP, STRETCH) \ msp430_relax_frag (SEG, FRAGP, STRETCH) extern long msp430_relax_frag (segT, fragS *, long);