1 /* This file is tc-msp430.h 2 Copyright (C) 2002 Free Software Foundation, Inc. 3 4 Contributed by Dmitry Diky <diwil@mail.ru> 5 6 This file is part of GAS, the GNU Assembler. 7 8 GAS is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2, or (at your option) 11 any later version. 12 13 GAS is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GAS; see the file COPYING. If not, write to the Free 20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 21 02111-1307, USA. */ 22 23 #ifndef BFD_ASSEMBLER 24 #error MSP430 support requires BFD_ASSEMBLER 25 #endif 26 27 #define TC_MSP430 28 /* By convention, you should define this macro in the `.h' file. For 29 example, `tc-m68k.h' defines `TC_M68K'. You might have to use this 30 if it is necessary to add CPU specific code to the object format 31 file. */ 32 33 #define TARGET_FORMAT "elf32-msp430" 34 /* This macro is the BFD target name to use when creating the output 35 file. This will normally depend upon the `OBJ_FMT' macro. */ 36 37 #define TARGET_ARCH bfd_arch_msp430 38 /* This macro is the BFD architecture to pass to `bfd_set_arch_mach'. */ 39 40 #define TARGET_MACH 0 41 /* This macro is the BFD machine number to pass to 42 `bfd_set_arch_mach'. If it is not defined, GAS will use 0. */ 43 44 #define TARGET_BYTES_BIG_ENDIAN 0 45 /* You should define this macro to be non-zero if the target is big 46 endian, and zero if the target is little endian. */ 47 48 #define ONLY_STANDARD_ESCAPES 49 /* If you define this macro, GAS will warn about the use of 50 nonstandard escape sequences in a string. */ 51 52 #define md_operand(x) 53 /* GAS will call this function for any expression that can not be 54 recognized. When the function is called, `input_line_pointer' 55 will point to the start of the expression. */ 56 57 #define md_number_to_chars number_to_chars_littleendian 58 /* This should just call either `number_to_chars_bigendian' or 59 `number_to_chars_littleendian', whichever is appropriate. On 60 targets like the MIPS which support options to change the 61 endianness, which function to call is a runtime decision. On 62 other targets, `md_number_to_chars' can be a simple macro. */ 63 64 #define WORKING_DOT_WORD 65 /* 66 `md_short_jump_size' 67 `md_long_jump_size' 68 `md_create_short_jump' 69 `md_create_long_jump' 70 If `WORKING_DOT_WORD' is defined, GAS will not do broken word 71 processing (*note Broken words::.). Otherwise, you should set 72 `md_short_jump_size' to the size of a short jump (a jump that is 73 just long enough to jump around a long jmp) and 74 `md_long_jump_size' to the size of a long jump (a jump that can go 75 anywhere in the function), You should define 76 `md_create_short_jump' to create a short jump around a long jump, 77 and define `md_create_long_jump' to create a long jump. */ 78 79 #define MD_APPLY_FIX3 80 81 #define TC_HANDLES_FX_DONE 82 83 #undef RELOC_EXPANSION_POSSIBLE 84 /* If you define this macro, it means that `tc_gen_reloc' may return 85 multiple relocation entries for a single fixup. In this case, the 86 return value of `tc_gen_reloc' is a pointer to a null terminated 87 array. */ 88 89 #define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC) 90 /* If you define this macro, it should return the offset between the 91 address of a PC relative fixup and the position from which the PC 92 relative adjustment should be made. On many processors, the base 93 of a PC relative instruction is the next instruction, so this 94 macro would return the length of an instruction. */ 95 96 extern long md_pcrel_from_section PARAMS ((struct fix *, segT)); 97 98 #define LISTING_WORD_SIZE 2 99 /* The number of bytes to put into a word in a listing. This affects 100 the way the bytes are clumped together in the listing. For 101 example, a value of 2 might print `1234 5678' where a value of 1 102 would print `12 34 56 78'. The default value is 4. */ 103 104 #define LEX_DOLLAR 0 105 /* MSP430 port does not use `$' as a logical line separator */ 106 107 #define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) (P2VAR) = 0 108 /* An `.lcomm' directive with no explicit alignment parameter will 109 use this macro to set P2VAR to the alignment that a request for 110 SIZE bytes will have. The alignment is expressed as a power of 111 two. If no alignment should take place, the macro definition 112 should do nothing. Some targets define a `.bss' directive that is 113 also affected by this macro. The default definition will set 114 P2VAR to the truncated power of two of sizes up to eight bytes. */ 115