b647bef632
* 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.
68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
/* M32C ELF support for BFD.
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This program 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 of the License, or
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(at your option) any later version.
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This program 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 this program; if not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef _ELF_M32C_H
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#define _ELF_M32C_H
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#include "elf/reloc-macros.h"
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/* Relocations. */
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START_RELOC_NUMBERS (elf_m32c_reloc_type)
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RELOC_NUMBER (R_M32C_NONE, 0)
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RELOC_NUMBER (R_M32C_16, 1)
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RELOC_NUMBER (R_M32C_24, 2)
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RELOC_NUMBER (R_M32C_32, 3)
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RELOC_NUMBER (R_M32C_8_PCREL, 4)
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RELOC_NUMBER (R_M32C_16_PCREL, 5)
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/* 8 bit unsigned address, used for dsp8[a0] etc */
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RELOC_NUMBER (R_M32C_8, 6)
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/* Bits 0..15 of an address, for SMOVF's A0, A1A0, etc. */
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RELOC_NUMBER (R_M32C_LO16, 7)
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/* Bits 16..23 of an address, for SMOVF's R1H etc. */
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RELOC_NUMBER (R_M32C_HI8, 8)
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/* Bits 16..31 of an address, for LDE's A1A0 etc. */
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RELOC_NUMBER (R_M32C_HI16, 9)
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/* These are relocs we need when relaxing. */
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/* Marks various jump opcodes. */
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RELOC_NUMBER (R_M32C_RL_JUMP, 10)
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/* Marks standard one-address form. */
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RELOC_NUMBER (R_M32C_RL_1ADDR, 11)
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/* Marks standard two-address form. */
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RELOC_NUMBER (R_M32C_RL_2ADDR, 12)
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END_RELOC_NUMBERS (R_M32C_max)
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#define EF_M32C_CPU_M16C 0x00000075 /* default */
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#define EF_M32C_CPU_M32C 0x00000078 /* m32c */
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#define EF_M32C_CPU_MASK 0x0000007F /* specific cpu bits */
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#define EF_M32C_ALL_FLAGS (EF_M32C_CPU_MASK)
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/* Define the data & instruction memory discriminator. In a linked
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executable, an symbol should be deemed to point to an instruction
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if ((address & M16C_INSN_MASK) == M16C_INSN_VALUE), and similarly
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for the data space. See also `ld/emulparams/elf32m32c.sh'. */
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#define M32C_DATA_MASK 0xffc00000
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#define M32C_DATA_VALUE 0x00000000
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#define M32C_INSN_MASK 0xffc00000
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#define M32C_INSN_VALUE 0x00400000
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#endif /* _ELF_M32C_H */
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