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Diffstat (limited to 'binutils-2.25/gas/config/tc-msp430.h')
| -rw-r--r-- | binutils-2.25/gas/config/tc-msp430.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/binutils-2.25/gas/config/tc-msp430.h b/binutils-2.25/gas/config/tc-msp430.h new file mode 100644 index 00000000..f805f666 --- /dev/null +++ b/binutils-2.25/gas/config/tc-msp430.h @@ -0,0 +1,168 @@ +/* This file is tc-msp430.h + Copyright (C) 2002-2013 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 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. */ + +#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 +/* Values passed to md_apply_fix don't include symbol values. */ +#define MD_APPLY_SYM_VALUE(FIX) 0 + +#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. */ + +/* Support symbols like: C$$IO$$. */ +#undef LEX_DOLLAR +#define LEX_DOLLAR 1 + +#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); + +#define TC_FORCE_RELOCATION_LOCAL(FIX) \ + msp430_force_relocation_local (FIX) +extern int msp430_force_relocation_local (struct fix *); + +extern int msp430_enable_relax; +extern int msp430_enable_polys; + +#define tc_fix_adjustable(FIX) msp430_fix_adjustable (FIX) +extern bfd_boolean msp430_fix_adjustable (struct fix *); + +/* Allow hexadeciaml numbers with 'h' suffix. Note that if the number + starts with a letter it will be interpreted as a symbol name not a + constant. Thus "beach" is a symbol not the hex value 0xbeac. So + is A5A5h... */ +#define NUMBERS_WITH_SUFFIX 1 + +#define md_end msp430_md_end +extern void msp430_md_end (void); + +/* Do not allow call frame debug info optimization as otherwise we could + generate the DWARF directives without the relocs necessary to patch + them up. */ +#define md_allow_eh_opt 0 + +/* The difference between same-section symbols may be affected by linker + relaxation, so do not resolve such expressions in the assembler. */ +#define md_allow_local_subtract(l,r,s) msp430_allow_local_subtract (l, r, s) +extern bfd_boolean msp430_allow_local_subtract (expressionS *, expressionS *, segT); + +#define RELOC_EXPANSION_POSSIBLE +#define MAX_RELOC_EXPANSION 2 + +#define DIFF_EXPR_OK + +/* Do not adjust relocations involving symbols in code sections, + because it breaks linker relaxations. This could be fixed in the + linker, but this fix is simpler, and it pretty much only affects + object size a little bit. */ +#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEC) \ + (((SEC)->flags & SEC_CODE) != 0 \ + || ! SEG_NORMAL (SEC) \ + || TC_FORCE_RELOCATION (FIX)) + +/* We validate subtract arguments within tc_gen_reloc(), + so don't report errors at this point. */ +#define TC_VALIDATE_FIX_SUB(FIX, SEG) 1 + +#define DWARF2_USE_FIXED_ADVANCE_PC 1 + +#define TC_LINKRELAX_FIXUP(seg) (seg->flags & SEC_CODE) |