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6772dd07c4
* m32c.h: Add relax relocs. [cpu] * m32c.cpu (RL_TYPE): New attribute, with macros. (Lab-8-24): Add RELAX. (unary-insn-defn-g, binary-arith-imm-dst-defn, binary-arith-imm4-dst-defn): Add 1ADDR attribute. (binary-arith-src-dst-defn): Add 2ADDR attribute. (jcnd16-5, jcnd16, jcnd32, jmp16.s, jmp16.b, jmp16.w, jmp16.a, jmp32.s, jmp32.b, jmp32.w, jmp32.a, jsr16.w, jsr16.a): Add JUMP attribute. (jsri16, jsri32): Add 1ADDR attribute. (jsr32.w, jsr32.a): Add JUMP attribute. [opcodes] * m32c-desc.c: Regenerate with linker relaxation attributes. * m32c-desc.h: Likewise. * m32c-dis.c: Likewise. * m32c-opc.c: Likewise. [gas] * config/tc-m32c.h (md_apply_fix): Define to m32c_apply_fix. (tc_gen_reloc): Don't define. * config/tc-m32c.c (rl_for, relaxable): New convenience macros. (OPTION_LINKRELAX): New. (md_longopts): Add it. (m32c_relax): New. (md_parse_options): Set it. (md_assemble): Emit relaxation relocs as needed. (md_convert_frag): Emit relaxation relocs as needed. (md_cgen_lookup_reloc): Add LAB_8_8 and LAB_8_16. (m32c_apply_fix): New. (tc_gen_reloc): New. (m32c_force_relocation): Force out jump relocs when relaxing. (m32c_fix_adjustable): Return false if relaxing. [bfd] * elf32-m32c.c (m32c_elf_howto_table): Add relaxation relocs. (m32c_elf_relocate_section): Don't relocate them. (compare_reloc): New. (relax_reloc): Remove. (m32c_offset_for_reloc): New. (m16c_addr_encodings): New. (m16c_jmpaddr_encodings): New. (m32c_addr_encodings): New. (m32c_elf_relax_section): Relax jumps and address displacements. (m32c_elf_relax_delete_bytes): Adjust for internal syms. Fix up short jumps. * reloc.c: Add m32c relax relocs. * libbfd.h: Regenerate.
85 lines
3.2 KiB
C
85 lines
3.2 KiB
C
/* tc-m32c.h -- Header file for tc-m32c.c.
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Copyright (C) 2004, 2005 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_M32C
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#define LISTING_HEADER "M16C/M32C GAS "
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/* The target BFD architecture. */
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#define TARGET_ARCH bfd_arch_m32c
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#define TARGET_FORMAT "elf32-m32c"
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#define TARGET_BYTES_BIG_ENDIAN 1
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#define md_end m32c_md_end
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extern void m32c_md_end (void);
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#define md_start_line_hook m32c_start_line_hook
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extern void m32c_start_line_hook (void);
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/* call md_pcrel_from_section, not md_pcrel_from */
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long md_pcrel_from_section PARAMS ((struct fix *, segT));
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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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#define md_apply_fix m32c_apply_fix
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extern void m32c_apply_fix PARAMS ((struct fix *, valueT *, segT));
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#define tc_fix_adjustable(fixP) m32c_fix_adjustable (fixP)
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extern bfd_boolean m32c_fix_adjustable PARAMS ((struct fix *));
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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) m32c_force_relocation (fix)
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extern int m32c_force_relocation PARAMS ((struct fix *));
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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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extern void m32c_prepare_relax_scan PARAMS ((fragS *, offsetT *, relax_substateT state));
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#define md_prepare_relax_scan(FRAGP, ADDR, AIM, STATE, TYPE) \
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m32c_prepare_relax_scan(FRAGP, &AIM, STATE)
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/* Values passed to md_apply_fix don't include the symbol value. */
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#define MD_APPLY_SYM_VALUE(FIX) 0
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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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extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
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/* We need a special version of the TC_START_LABEL macro so that we
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allow the :Z, :S, :Q and :G suffixes to be
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parsed as such. Note - in a HORRIBLE HACK, we make use of the
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knowledge that this marco is only ever evaluated in one place
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(read_a_source_file in read.c) where we can access the local
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variable 's' - the start of the symbol that was terminated by
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'character'. Also we need to be able to change the contents of
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the local variable 'c' which is passed to this macro as 'character'. */
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#define TC_START_LABEL(character, i_l_p) \
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((character) != ':' ? 0 : (character = m32c_is_colon_insn (s)) ? 0 : ((character = ':'), 1))
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extern char m32c_is_colon_insn PARAMS ((char *));
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