| /* tc-mn10300.h -- Header file for tc-mn10300.c. |
| Copyright 1996, 1997, 2000, 2001, 2002, 2003, 2004 |
| Free Software Foundation, Inc. |
| |
| 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 2, 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_MN10300 |
| |
| #define TARGET_BYTES_BIG_ENDIAN 0 |
| |
| #ifndef BFD_ASSEMBLER |
| #error MN10300 support requires BFD_ASSEMBLER |
| #endif |
| |
| #define DIFF_EXPR_OK |
| #define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_" |
| |
| #define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \ |
| ((FIX)->fx_r_type != BFD_RELOC_32_PLT_PCREL \ |
| && (FIX)->fx_r_type != BFD_RELOC_MN10300_GOT32 \ |
| && (FIX)->fx_r_type != BFD_RELOC_32_GOT_PCREL \ |
| && ((FIX)->fx_addsy == NULL \ |
| || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \ |
| && ! S_IS_WEAK ((FIX)->fx_addsy) \ |
| && S_IS_DEFINED ((FIX)->fx_addsy) \ |
| && ! S_IS_COMMON ((FIX)->fx_addsy)))) |
| |
| #define md_parse_name(name, exprP, nextcharP) \ |
| mn10300_parse_name ((name), (exprP), (nextcharP)) |
| int mn10300_parse_name PARAMS ((char const *, expressionS *, char *)); |
| |
| #define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP) \ |
| mn10300_cons_fix_new ((FRAG), (OFF), (LEN), (EXP)) |
| void mn10300_cons_fix_new PARAMS ((fragS *, int, int, expressionS *)); |
| |
| /* This is used to construct expressions out of @GOTOFF, @PLT and @GOT |
| symbols. The relocation type is stored in X_md. */ |
| #define O_PIC_reloc O_md1 |
| |
| /* The target BFD architecture. */ |
| #define TARGET_ARCH bfd_arch_mn10300 |
| |
| #ifdef TE_LINUX |
| #define TARGET_FORMAT "elf32-am33lin" |
| #else |
| #define TARGET_FORMAT "elf32-mn10300" |
| #endif |
| |
| |
| /* 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) 1 |
| |
| /* Fixup debug sections since we will never relax them. Ideally, we |
| could do away with this and instead check every single fixup with |
| TC_FORCE_RELOCATION and TC_FORCE_RELOCATION_SUB_NAME, verifying |
| that the sections of the referenced symbols (and not the sections |
| in which the fixup appears) may be subject to relaxation. We'd |
| still have to check the section in which the fixup appears, because |
| we want to do some simplifications in debugging info that might |
| break in real code. |
| |
| Using the infrastructure in write.c to simplify subtraction fixups |
| would enable us to remove a lot of code from tc_gen_reloc(), but |
| this is simpler, faster, and produces almost the same effect. |
| Also, in the macros above, we can't check whether the fixup is in a |
| debugging section or not, so we have to use this for now. */ |
| #define TC_LINKRELAX_FIXUP(seg) (seg->flags & SEC_ALLOC) |
| |
| #define md_operand(x) |
| |
| /* Permit temporary numeric labels. */ |
| #define LOCAL_LABELS_FB 1 |
| |
| /* We don't need to handle .word strangely. */ |
| #define WORKING_DOT_WORD |
| |
| #define md_number_to_chars number_to_chars_littleendian |
| |
| /* Don't bother to adjust relocs. */ |
| /* #define tc_fix_adjustable(FIX) 0 */ |
| #define tc_fix_adjustable(FIX) mn10300_fix_adjustable (FIX) |
| extern bfd_boolean mn10300_fix_adjustable PARAMS ((struct fix *)); |
| |
| /* We do relaxing in the assembler as well as the linker. */ |
| extern const struct relax_type md_relax_table[]; |
| #define TC_GENERIC_RELAX_TABLE md_relax_table |
| |
| #define DWARF2_LINE_MIN_INSN_LENGTH 1 |