113 lines
3.8 KiB
C
113 lines
3.8 KiB
C
/* tc-m32r.h -- Header file for tc-m32r.c.
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Copyright (C) 1996, 1997 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 2, 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
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#define TC_M32R
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#ifndef BFD_ASSEMBLER
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/* leading space so will compile with cc */
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#error M32R support requires BFD_ASSEMBLER
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#endif
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#define LISTING_HEADER "M32R GAS "
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/* The target BFD architecture. */
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#define TARGET_ARCH bfd_arch_m32r
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#define TARGET_FORMAT "elf32-m32r"
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#define TARGET_BYTES_BIG_ENDIAN 1
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/* call md_pcrel_from_section, not md_pcrel_from */
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#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section(FIXP, SEC)
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/* Permit temporary numeric labels. */
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#define LOCAL_LABELS_FB 1
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#define DIFF_EXPR_OK /* .-foo gets turned into PC relative relocs */
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/* We don't need to handle .word strangely. */
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#define WORKING_DOT_WORD
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/* For 8 vs 16 vs 32 bit branch selection. */
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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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#if 0
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extern void m32r_prepare_relax_scan ();
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#define md_prepare_relax_scan(fragP, address, aim, this_state, this_type) \
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m32r_prepare_relax_scan (fragP, address, aim, this_state, this_type)
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#else
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#define md_relax_frag(fragP, stretch) \
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m32r_relax_frag (fragP, stretch)
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#endif
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/* Account for nop if 32 bit insn falls on odd halfword boundary. */
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#define TC_CGEN_MAX_RELAX(insn, len) (6)
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/* Alignments are used to ensure 32 bit insns live on 32 bit boundaries, so
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we use a special alignment function to insert the correct nop pattern. */
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extern int m32r_do_align PARAMS ((int, const char *, int, int));
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#define md_do_align(n, fill, len, max, l) \
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if (m32r_do_align (n, fill, len, max)) goto l
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/* FIXME: Obviously the cgen_xxx decls here should be in a header. Later. */
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#define MD_APPLY_FIX3
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extern int cgen_md_apply_fix3 ();
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#define md_apply_fix3 cgen_md_apply_fix3
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#define md_init_frag(fragP) \
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do { \
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(fragP)->fr_targ.cgen.insn = 0; \
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(fragP)->fr_targ.cgen.opindex = 0; \
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(fragP)->fr_targ.cgen.opinfo = 0; \
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} while (0);
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/* After creating a fixup for an instruction operand, we need to check for
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HI16 relocs and queue them up for later sorting. */
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#define md_cgen_record_fixup_exp m32r_cgen_record_fixup_exp
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extern struct fix *m32r_cgen_record_fixup_exp ();
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extern struct fix *cgen_record_fixup_exp ();
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#define TC_HANDLES_FX_DONE
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/* Record a pointer to the insn table entry for each fixup. */
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#define TC_FIX_TYPE struct { PTR insn; int opinfo; }
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#define TC_INIT_FIX_DATA(FIXP) \
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((FIXP)->tc_fix_data.insn = NULL, (FIXP)->tc_fix_data.opinfo = 0)
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extern arelent *cgen_tc_gen_reloc ();
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#define tc_gen_reloc cgen_tc_gen_reloc
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#define tc_frob_file() m32r_frob_file ()
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extern void m32r_frob_file PARAMS ((void));
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/* When relaxing, we need to emit various relocs we otherwise wouldn't. */
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#define TC_FORCE_RELOCATION(fix) m32r_force_relocation (fix)
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extern int m32r_force_relocation ();
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/* Ensure insns at labels are aligned to 32 bit boundaries. */
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int m32r_fill_insn PARAMS ((int));
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#define md_after_pass_hook() m32r_fill_insn (1)
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#define TC_START_LABEL(ch, ptr) (ch == ':' && m32r_fill_insn (0))
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/* Add extra M32R sections. */
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#define ELF_TC_SPECIAL_SECTIONS \
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{ ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, \
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{ ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
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