| 1 | /* spu.h -- Assembler for spu |
| 2 | |
| 3 | Copyright 2006, 2007, 2008 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GAS, the GNU Assembler. |
| 6 | |
| 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 3, or (at your option) |
| 10 | any later version. |
| 11 | |
| 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. |
| 16 | |
| 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 |
| 20 | 02110-1301, USA. */ |
| 21 | |
| 22 | #ifndef TC_SPU |
| 23 | #define TC_SPU 1 |
| 24 | |
| 25 | #include "opcode/spu.h" |
| 26 | |
| 27 | #define TARGET_FORMAT "elf32-spu" |
| 28 | #define TARGET_ARCH bfd_arch_spu |
| 29 | #define TARGET_NAME "elf32-spu" |
| 30 | |
| 31 | #define TARGET_BYTES_BIG_ENDIAN 1 |
| 32 | |
| 33 | struct tc_fix_info { |
| 34 | unsigned short arg_format; |
| 35 | unsigned short insn_tag; |
| 36 | }; |
| 37 | |
| 38 | /* fixS will have a member named tc_fix_data of this type. */ |
| 39 | #define TC_FIX_TYPE struct tc_fix_info |
| 40 | #define TC_INIT_FIX_DATA(FIXP) \ |
| 41 | do \ |
| 42 | { \ |
| 43 | (FIXP)->tc_fix_data.arg_format = 0; \ |
| 44 | (FIXP)->tc_fix_data.insn_tag = 0; \ |
| 45 | } \ |
| 46 | while (0) |
| 47 | |
| 48 | /* Don't reduce function symbols to section symbols, and don't adjust |
| 49 | references to PPU symbols. */ |
| 50 | #define tc_fix_adjustable(FIXP) \ |
| 51 | (!(S_IS_FUNCTION ((FIXP)->fx_addsy) \ |
| 52 | || (FIXP)->fx_r_type == BFD_RELOC_SPU_PPU32 \ |
| 53 | || (FIXP)->fx_r_type == BFD_RELOC_SPU_PPU64)) |
| 54 | |
| 55 | /* Keep relocs on calls. Branches to function symbols are tail or |
| 56 | sibling calls. */ |
| 57 | #define TC_FORCE_RELOCATION(FIXP) \ |
| 58 | ((FIXP)->tc_fix_data.insn_tag == M_BRSL \ |
| 59 | || (FIXP)->tc_fix_data.insn_tag == M_BRASL \ |
| 60 | || (((FIXP)->tc_fix_data.insn_tag == M_BR \ |
| 61 | || (FIXP)->tc_fix_data.insn_tag == M_BRA) \ |
| 62 | && (FIXP)->fx_addsy != NULL \ |
| 63 | && S_IS_FUNCTION ((FIXP)->fx_addsy)) \ |
| 64 | || (FIXP)->fx_r_type == BFD_RELOC_SPU_PPU32 \ |
| 65 | || (FIXP)->fx_r_type == BFD_RELOC_SPU_PPU64 \ |
| 66 | || generic_force_reloc (FIXP)) |
| 67 | |
| 68 | /* Values passed to md_apply_fix don't include symbol values. */ |
| 69 | #define MD_APPLY_SYM_VALUE(FIX) 0 |
| 70 | |
| 71 | /* The spu uses pseudo-ops with no leading period. */ |
| 72 | #define NO_PSEUDO_DOT 1 |
| 73 | |
| 74 | /* Don't warn on word overflow; it happens on %hi relocs. */ |
| 75 | #undef WARN_SIGNED_OVERFLOW_WORD |
| 76 | |
| 77 | #define DIFF_EXPR_OK |
| 78 | |
| 79 | #define WORKING_DOT_WORD |
| 80 | |
| 81 | #define md_number_to_chars number_to_chars_bigendian |
| 82 | |
| 83 | #define md_convert_frag(b,s,f) {as_fatal (_("spu convert_frag\n"));} |
| 84 | |
| 85 | /* We don't need to do anything special for undefined symbols. */ |
| 86 | #define md_undefined_symbol(s) 0 |
| 87 | |
| 88 | extern symbolS *section_symbol (asection *); |
| 89 | #define md_operand(e) \ |
| 90 | do { \ |
| 91 | if (strncasecmp (input_line_pointer, "@ppu", 4) == 0) \ |
| 92 | { \ |
| 93 | e->X_op = O_symbol; \ |
| 94 | if (abs_section_sym == NULL) \ |
| 95 | abs_section_sym = section_symbol (absolute_section); \ |
| 96 | e->X_add_symbol = abs_section_sym; \ |
| 97 | e->X_add_number = 0; \ |
| 98 | } \ |
| 99 | } while (0) |
| 100 | |
| 101 | /* Fill in rs_align_code fragments. */ |
| 102 | extern void spu_handle_align (fragS *); |
| 103 | #define HANDLE_ALIGN(frag) spu_handle_align (frag) |
| 104 | |
| 105 | #define MAX_MEM_FOR_RS_ALIGN_CODE (7 + 8) |
| 106 | |
| 107 | #endif /* TC_SPU */ |