1/* This file is tc-msp430.h
2   Copyright (C) 2002, 2004, 2005 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, 51 Franklin Street - Fifth Floor, Boston, MA
21   02110-1301, USA.  */
22
23#define TC_MSP430
24/*   By convention, you should define this macro in the `.h' file.  For
25     example, `tc-m68k.h' defines `TC_M68K'.  You might have to use this
26     if it is necessary to add CPU specific code to the object format
27     file.  */
28
29#define TARGET_FORMAT "elf32-msp430"
30/*   This macro is the BFD target name to use when creating the output
31     file.  This will normally depend upon the `OBJ_FMT' macro.  */
32
33#define TARGET_ARCH bfd_arch_msp430
34/*   This macro is the BFD architecture to pass to `bfd_set_arch_mach'.  */
35
36#define TARGET_MACH 0
37/*   This macro is the BFD machine number to pass to
38     `bfd_set_arch_mach'.  If it is not defined, GAS will use 0.  */
39
40#define TARGET_BYTES_BIG_ENDIAN 0
41/*   You should define this macro to be non-zero if the target is big
42     endian, and zero if the target is little endian.  */
43
44#define ONLY_STANDARD_ESCAPES
45/*   If you define this macro, GAS will warn about the use of
46     nonstandard escape sequences in a string.  */
47
48#define md_operand(x)
49/*   GAS will call this function for any expression that can not be
50     recognized.  When the function is called, `input_line_pointer'
51     will point to the start of the expression.  */
52
53#define md_number_to_chars number_to_chars_littleendian
54/*   This should just call either `number_to_chars_bigendian' or
55     `number_to_chars_littleendian', whichever is appropriate.  On
56     targets like the MIPS which support options to change the
57     endianness, which function to call is a runtime decision.  On
58     other targets, `md_number_to_chars' can be a simple macro.  */
59
60#define WORKING_DOT_WORD
61/*
62`md_short_jump_size'
63`md_long_jump_size'
64`md_create_short_jump'
65`md_create_long_jump'
66     If `WORKING_DOT_WORD' is defined, GAS will not do broken word
67     processing (*note Broken words::.).  Otherwise, you should set
68     `md_short_jump_size' to the size of a short jump (a jump that is
69     just long enough to jump around a long jmp) and
70     `md_long_jump_size' to the size of a long jump (a jump that can go
71     anywhere in the function), You should define
72     `md_create_short_jump' to create a short jump around a long jump,
73     and define `md_create_long_jump' to create a long jump.  */
74
75#define MD_APPLY_FIX3
76
77#define TC_HANDLES_FX_DONE
78
79#undef RELOC_EXPANSION_POSSIBLE
80/*   If you define this macro, it means that `tc_gen_reloc' may return
81     multiple relocation entries for a single fixup.  In this case, the
82     return value of `tc_gen_reloc' is a pointer to a null terminated
83     array.  */
84
85#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC)
86/*   If you define this macro, it should return the offset between the
87     address of a PC relative fixup and the position from which the PC
88     relative adjustment should be made.  On many processors, the base
89     of a PC relative instruction is the next instruction, so this
90     macro would return the length of an instruction.  */
91
92extern long md_pcrel_from_section (struct fix *, segT);
93
94#define LISTING_WORD_SIZE 2
95/*   The number of bytes to put into a word in a listing.  This affects
96     the way the bytes are clumped together in the listing.  For
97     example, a value of 2 might print `1234 5678' where a value of 1
98     would print `12 34 56 78'.  The default value is 4.  */
99
100#define LEX_DOLLAR 0
101/* MSP430 port does not use `$' as a logical line separator */
102
103#define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) (P2VAR) = 0
104/*   An `.lcomm' directive with no explicit alignment parameter will
105     use this macro to set P2VAR to the alignment that a request for
106     SIZE bytes will have.  The alignment is expressed as a power of
107     two.  If no alignment should take place, the macro definition
108     should do nothing.  Some targets define a `.bss' directive that is
109     also affected by this macro.  The default definition will set
110     P2VAR to the truncated power of two of sizes up to eight bytes.  */
111
112#define md_relax_frag(SEG, FRAGP, STRETCH)             \
113   msp430_relax_frag (SEG, FRAGP, STRETCH)
114extern long msp430_relax_frag (segT, fragS *, long);
115
116#define TC_FORCE_RELOCATION_LOCAL(FIX)	\
117   msp430_force_relocation_local(FIX)
118extern int msp430_force_relocation_local(struct fix *);
119
120
121extern int msp430_enable_relax;
122extern int msp430_enable_polys;
123