1 /* spu.h -- Assembler for spu
3 Copyright 2006, 2007 Free Software Foundation, Inc.
5 This file is part of GAS, the GNU Assembler.
7 GAS is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GAS is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GAS; see the file COPYING. If not, write to the Free
19 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
24 #include "opcode/spu.h"
27 #define TARGET_FORMAT "elf32-spu"
28 #define TARGET_ARCH bfd_arch_spu
29 #define TARGET_NAME "elf32-spu"
32 #define TARGET_BYTES_BIG_ENDIAN 1
35 #define TARGET_NAME "coff-spu"
39 #define TARGET_ARCH bfd_arch_spu
42 #define COFF_MAGIC SPU_MAGIC
43 #define BFD_ARCH bfd_arch_spu
45 #define NEED_FX_R_TYPE
46 #define TC_KEEP_FX_OFFSET
47 /* #define TC_CONS_RELOC RELOC_32 */
50 unsigned short arg_format;
51 unsigned short insn_tag;
54 /* fixS will have a member named tc_fix_data of this type. */
55 #define TC_FIX_TYPE struct tc_fix_info
56 #define TC_INIT_FIX_DATA(FIXP) \
59 (FIXP)->tc_fix_data.arg_format = 0; \
60 (FIXP)->tc_fix_data.insn_tag = 0; \
64 /* Don't reduce function symbols to section symbols, and don't adjust
65 references to PPU symbols. */
66 #define tc_fix_adjustable(FIXP) \
67 (!(S_IS_FUNCTION ((FIXP)->fx_addsy) \
68 || (FIXP)->fx_r_type == BFD_RELOC_SPU_PPU32 \
69 || (FIXP)->fx_r_type == BFD_RELOC_SPU_PPU64))
71 /* Keep relocs on calls. Branches to function symbols are tail or
73 #define TC_FORCE_RELOCATION(FIXP) \
74 ((FIXP)->tc_fix_data.insn_tag == M_BRSL \
75 || (FIXP)->tc_fix_data.insn_tag == M_BRASL \
76 || (((FIXP)->tc_fix_data.insn_tag == M_BR \
77 || (FIXP)->tc_fix_data.insn_tag == M_BRA) \
78 && (FIXP)->fx_addsy != NULL \
79 && S_IS_FUNCTION ((FIXP)->fx_addsy)) \
80 || (FIXP)->fx_r_type == BFD_RELOC_SPU_PPU32 \
81 || (FIXP)->fx_r_type == BFD_RELOC_SPU_PPU64 \
82 || generic_force_reloc (FIXP))
84 /* Values passed to md_apply_fix don't include symbol values. */
85 #define MD_APPLY_SYM_VALUE(FIX) 0
87 /* The spu uses pseudo-ops with no leading period. */
88 #define NO_PSEUDO_DOT 1
90 /* Don't warn on word overflow; it happens on %hi relocs. */
91 #undef WARN_SIGNED_OVERFLOW_WORD
97 #define WORKING_DOT_WORD
99 #define md_number_to_chars number_to_chars_bigendian
101 #define md_convert_frag(b,s,f) {as_fatal (_("spu convert_frag\n"));}
103 /* We don't need to do anything special for undefined symbols. */
104 #define md_undefined_symbol(s) 0
106 /* We have no special operand handling. */
107 #define md_operand(e)
109 /* Fill in rs_align_code fragments. */
110 extern void spu_handle_align PARAMS ((fragS *));
111 #define HANDLE_ALIGN(frag) spu_handle_align (frag)
113 #define MAX_MEM_FOR_RS_ALIGN_CODE (7 + 8)
117 /* Whether a reloc should be output. */
118 #define TC_COUNT_RELOC(fixp) ((fixp)->fx_addsy != NULL || (fixp)->fx_subsy != NULL)
120 /* Get the BFD reloc type to use for a gas fixS structure. */
121 #define TC_COFF_FIX2RTYPE(fixp) tc_coff_fix2rtype (fixp)
123 /* No special hook needed for symbols. */
124 #define tc_coff_symbol_emit_hook(s)
126 /* Align sections to a four byte boundary. */
128 #define max(a,b) (((a) > (b)) ? (a) : (b))
130 #define SUB_SEGMENT_ALIGN(SEG) max (section_alignment[(int) (SEG)], 4)