old-cross-binutils/include/elf/m32c.h
DJ Delorie 6772dd07c4 [include/elf]
* 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.
2006-02-24 22:10:36 +00:00

67 lines
2.5 KiB
C

/* M32C ELF support for BFD.
Copyright (C) 2004 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
This program 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 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef _ELF_M32C_H
#define _ELF_M32C_H
#include "elf/reloc-macros.h"
/* Relocations. */
START_RELOC_NUMBERS (elf_m32c_reloc_type)
RELOC_NUMBER (R_M32C_NONE, 0)
RELOC_NUMBER (R_M32C_16, 1)
RELOC_NUMBER (R_M32C_24, 2)
RELOC_NUMBER (R_M32C_32, 3)
RELOC_NUMBER (R_M32C_8_PCREL, 4)
RELOC_NUMBER (R_M32C_16_PCREL, 5)
/* 8 bit unsigned address, used for dsp8[a0] etc */
RELOC_NUMBER (R_M32C_8, 6)
/* Bits 0..15 of an address, for SMOVF's A0, A1A0, etc. */
RELOC_NUMBER (R_M32C_LO16, 7)
/* Bits 16..23 of an address, for SMOVF's R1H etc. */
RELOC_NUMBER (R_M32C_HI8, 8)
/* Bits 16..31 of an address, for LDE's A1A0 etc. */
RELOC_NUMBER (R_M32C_HI16, 9)
/* These are relocs we need when relaxing. */
/* Marks various jump opcodes. */
RELOC_NUMBER (R_M32C_RL_JUMP, 10)
/* Marks standard one-address form. */
RELOC_NUMBER (R_M32C_RL_1ADDR, 11)
/* Marks standard two-address form. */
RELOC_NUMBER (R_M32C_RL_2ADDR, 12)
END_RELOC_NUMBERS (R_M32C_max)
#define EF_M32C_CPU_M16C 0x00000075 /* default */
#define EF_M32C_CPU_M32C 0x00000078 /* m32c */
#define EF_M32C_CPU_MASK 0x0000007F /* specific cpu bits */
#define EF_M32C_ALL_FLAGS (EF_M32C_CPU_MASK)
/* Define the data & instruction memory discriminator. In a linked
executable, an symbol should be deemed to point to an instruction
if ((address & M16C_INSN_MASK) == M16C_INSN_VALUE), and similarly
for the data space. See also `ld/emulparams/elf32m32c.sh'. */
#define M32C_DATA_MASK 0xffc00000
#define M32C_DATA_VALUE 0x00000000
#define M32C_INSN_MASK 0xffc00000
#define M32C_INSN_VALUE 0x00400000
#endif /* _ELF_M32C_H */