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 */ 108