110 lines
4 KiB
C
110 lines
4 KiB
C
/* tc-mn10300.h -- Header file for tc-mn10300.c.
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Copyright 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2007
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Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#define TC_MN10300
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#define TARGET_BYTES_BIG_ENDIAN 0
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#define DIFF_EXPR_OK
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#define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_"
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#define TC_FORCE_RELOCATION(FIX) \
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(generic_force_reloc (FIX))
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#define TC_FORCE_RELOCATION_LOCAL(FIX) \
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(!(FIX)->fx_pcrel \
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|| (FIX)->fx_r_type == BFD_RELOC_32_PLT_PCREL \
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|| (FIX)->fx_r_type == BFD_RELOC_MN10300_GOT32 \
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|| (FIX)->fx_r_type == BFD_RELOC_32_GOT_PCREL \
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|| TC_FORCE_RELOCATION (FIX))
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#define md_parse_name(name, exprP, mode, nextcharP) \
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mn10300_parse_name ((name), (exprP), (mode), (nextcharP))
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int mn10300_parse_name PARAMS ((char const *, expressionS *,
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enum expr_mode, char *));
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#define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP) \
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mn10300_cons_fix_new ((FRAG), (OFF), (LEN), (EXP))
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void mn10300_cons_fix_new PARAMS ((fragS *, int, int, expressionS *));
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/* This is used to construct expressions out of @GOTOFF, @PLT and @GOT
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symbols. The relocation type is stored in X_md. */
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#define O_PIC_reloc O_md1
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/* The target BFD architecture. */
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#define TARGET_ARCH bfd_arch_mn10300
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#ifdef TE_LINUX
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#define TARGET_FORMAT "elf32-am33lin"
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#else
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#define TARGET_FORMAT "elf32-mn10300"
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#endif
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/* Do not adjust relocations involving symbols in code sections,
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because it breaks linker relaxations. This could be fixed in the
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linker, but this fix is simpler, and it pretty much only affects
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object size a little bit. */
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#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEC) \
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(((SEC)->flags & SEC_CODE) != 0 \
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|| ! SEG_NORMAL (SEC) \
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|| TC_FORCE_RELOCATION (FIX))
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/* We validate subtract arguments within tc_gen_reloc(), so don't
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report errors at this point. */
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#define TC_VALIDATE_FIX_SUB(FIX) 1
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/* Fixup debug sections since we will never relax them. Ideally, we
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could do away with this and instead check every single fixup with
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TC_FORCE_RELOCATION and TC_FORCE_RELOCATION_SUB_NAME, verifying
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that the sections of the referenced symbols (and not the sections
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in which the fixup appears) may be subject to relaxation. We'd
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still have to check the section in which the fixup appears, because
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we want to do some simplifications in debugging info that might
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break in real code.
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Using the infrastructure in write.c to simplify subtraction fixups
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would enable us to remove a lot of code from tc_gen_reloc(), but
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this is simpler, faster, and produces almost the same effect.
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Also, in the macros above, we can't check whether the fixup is in a
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debugging section or not, so we have to use this for now. */
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#define TC_LINKRELAX_FIXUP(seg) (seg->flags & SEC_ALLOC)
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#define md_operand(x)
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/* Permit temporary numeric labels. */
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#define LOCAL_LABELS_FB 1
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/* We don't need to handle .word strangely. */
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#define WORKING_DOT_WORD
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#define md_number_to_chars number_to_chars_littleendian
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/* Don't bother to adjust relocs. */
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/* #define tc_fix_adjustable(FIX) 0 */
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#define tc_fix_adjustable(FIX) mn10300_fix_adjustable (FIX)
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extern bfd_boolean mn10300_fix_adjustable PARAMS ((struct fix *));
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/* We do relaxing in the assembler as well as the linker. */
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extern const struct relax_type md_relax_table[];
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#define TC_GENERIC_RELAX_TABLE md_relax_table
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#define DWARF2_LINE_MIN_INSN_LENGTH 1
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