197 lines
8.7 KiB
C
197 lines
8.7 KiB
C
/* SPARC-specific support for 32-bit ELF
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Copyright 1993 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
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "bfd.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#include "libelf.h"
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enum reloc_type
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{
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R_SPARC_NONE = 0,
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R_SPARC_8, R_SPARC_16, R_SPARC_32,
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R_SPARC_DISP8, R_SPARC_DISP16, R_SPARC_DISP32,
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R_SPARC_WDISP30, R_SPARC_WDISP22,
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R_SPARC_HI22, R_SPARC_22,
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R_SPARC_13, R_SPARC_LO10,
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R_SPARC_GOT10, R_SPARC_GOT13, R_SPARC_GOT22,
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R_SPARC_PC10, R_SPARC_PC22,
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R_SPARC_WPLT30,
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R_SPARC_COPY,
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R_SPARC_GLOB_DAT, R_SPARC_JMP_SLOT,
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R_SPARC_RELATIVE,
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R_SPARC_UA32,
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/* v9 relocs */
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R_SPARC_10, R_SPARC_11, R_SPARC_64,
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R_SPARC_OLO10, R_SPARC_HH22, R_SPARC_HM10, R_SPARC_LM22,
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R_SPARC_PC_HH22, R_SPARC_PC_HM10, R_SPARC_PC_LM22,
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R_SPARC_WDISP16, R_SPARC_WDISP19,
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R_SPARC_GLOB_JMP, R_SPARC_LO7,
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R_SPARC_max
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};
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#if 0
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static CONST char *CONST reloc_type_names[] =
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{
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"R_SPARC_NONE",
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"R_SPARC_8", "R_SPARC_16", "R_SPARC_32",
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"R_SPARC_DISP8", "R_SPARC_DISP16", "R_SPARC_DISP32",
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"R_SPARC_WDISP30", "R_SPARC_WDISP22",
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"R_SPARC_HI22", "R_SPARC_22",
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"R_SPARC_13", "R_SPARC_LO10",
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"R_SPARC_GOT10", "R_SPARC_GOT13", "R_SPARC_GOT22",
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"R_SPARC_PC10", "R_SPARC_PC22",
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"R_SPARC_WPLT30",
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"R_SPARC_COPY",
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"R_SPARC_GLOB_DAT", "R_SPARC_JMP_SLOT",
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"R_SPARC_RELATIVE",
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"R_SPARC_UA32",
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"R_SPARC_10", "R_SPARC_11", "R_SPARC_64",
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"R_SPARC_OLO10", "R_SPARC_HH22", "R_SPARC_HM10", "R_SPARC_LM22",
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"R_SPARC_PC_HH22", "R_SPARC_PC_HM10", "R_SPARC_PC_LM22",
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"R_SPARC_WDISP16", "R_SPARC_WDISP19",
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"R_SPARC_GLOB_JMP", "R_SPARC_LO7",
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};
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#endif
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extern void abort ();
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#define DIE ((bfd_reloc_status_type(*)())abort)
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static reloc_howto_type elf_sparc_howto_table[] =
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{
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HOWTO(R_SPARC_NONE, 0,0, 0,false,0,false,false, 0,"R_SPARC_NONE", false,0,0x00000000,false),
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HOWTO(R_SPARC_8, 0,0, 8,false,0,true, true, 0,"R_SPARC_8", false,0,0x000000ff,false),
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HOWTO(R_SPARC_16, 0,1,16,false,0,true, true, 0,"R_SPARC_16", false,0,0x0000ffff,false),
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HOWTO(R_SPARC_32, 0,2,32,false,0,true, true, 0,"R_SPARC_32", false,0,0xffffffff,false),
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HOWTO(R_SPARC_DISP8, 0,0, 8,true, 0,false, true, 0,"R_SPARC_DISP8", false,0,0x000000ff,false),
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HOWTO(R_SPARC_DISP16, 0,1,16,true, 0,false, true, 0,"R_SPARC_DISP16", false,0,0x0000ffff,false),
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HOWTO(R_SPARC_DISP32, 0,2,32,true, 0,false, true, 0,"R_SPARC_DISP32", false,0,0x00ffffff,false),
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HOWTO(R_SPARC_WDISP30,2,2,30,true, 0,false, true, 0,"R_SPARC_WDISP30",false,0,0x3fffffff,false),
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HOWTO(R_SPARC_WDISP22,2,2,22,true, 0,false, true, 0,"R_SPARC_WDISP22",false,0,0x003fffff,false),
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HOWTO(R_SPARC_HI22, 10,2,22,false,0,true, false, 0,"R_SPARC_HI22", false,0,0x003fffff,false),
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HOWTO(R_SPARC_22, 0,2,22,false,0,true, true, 0,"R_SPARC_22", false,0,0x003fffff,false),
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HOWTO(R_SPARC_13, 0,1,13,false,0,true, true, 0,"R_SPARC_13", false,0,0x00001fff,false),
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HOWTO(R_SPARC_LO10, 0,1,10,false,0,true, false, 0,"R_SPARC_LO10", false,0,0x000003ff,false),
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HOWTO(R_SPARC_GOT10, 0,1,10,false,0,false, true, 0,"R_SPARC_GOT10", false,0,0x000003ff,false),
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HOWTO(R_SPARC_GOT13, 0,1,13,false,0,false, true, 0,"R_SPARC_GOT13", false,0,0x00001fff,false),
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HOWTO(R_SPARC_GOT22, 10,2,22,false,0,false, true, 0,"R_SPARC_GOT22", false,0,0x003fffff,false),
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HOWTO(R_SPARC_PC10, 0,1,10,false,0,true, true, 0,"R_SPARC_PC10", false,0,0x000003ff,false),
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HOWTO(R_SPARC_PC22, 0,2,22,false,0,true, true, 0,"R_SPARC_PC22", false,0,0x003fffff,false),
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HOWTO(R_SPARC_WPLT30, 0,0,00,false,0,false,false, 0,"R_SPARC_WPLT30", false,0,0x00000000,false),
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HOWTO(R_SPARC_COPY, 0,0,00,false,0,false,false, 0,"R_SPARC_COPY", false,0,0x00000000,false),
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HOWTO(R_SPARC_GLOB_DAT,0,0,00,false,0,false,false,0,"R_SPARC_GLOB_DAT",false,0,0x00000000,false),
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HOWTO(R_SPARC_JMP_SLOT,0,0,00,false,0,false,false,0,"R_SPARC_JMP_SLOT",false,0,0x00000000,false),
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HOWTO(R_SPARC_RELATIVE,0,0,00,false,0,false,false,0,"R_SPARC_RELATIVE",false,0,0x00000000,false),
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HOWTO(R_SPARC_UA32, 0,0,00,false,0,false,false,0,"R_SPARC_UA32", false,0,0x00000000,false),
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HOWTO(R_SPARC_10, 0,1,10,false,0,true, true, 0, "R_SPARC_10", false,0,0x000003ff,false),
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HOWTO(R_SPARC_11, 0,1,11,false,0,true, true, 0,"R_SPARC_11", false,0,0x000007ff,false),
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HOWTO(R_SPARC_64, 0,4,00,false,0,true, true, 0,"R_SPARC_64", false,0,(((bfd_vma)0xffffffff)<<32)+0xffffffff,false),
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HOWTO(R_SPARC_OLO10, 0,1,10,false,0,true,false, DIE,"R_SPARC_OLO10",false,0,0x000003ff,false),
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HOWTO(R_SPARC_HH22, 42,2,22,false,0,true, false, 0,"R_SPARC_HH22", false,0,0x003fffff,false),
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HOWTO(R_SPARC_HM10, 32,1,10,false,0,true,false, 0,"R_SPARC_HM10", false,0,0x000003ff,false),
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HOWTO(R_SPARC_LM22, 10,2,22,false,0,true,false, 0,"R_SPARC_LM22", false,0,0x003fffff,false),
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HOWTO(R_SPARC_PC_HH22,42,2,22, true,0,true, false, 0,"R_SPARC_HH22", false,0,0x003fffff,false),
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HOWTO(R_SPARC_PC_HM10,32,1,10, true,0,true,false, 0,"R_SPARC_HM10", false,0,0x000003ff,false),
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HOWTO(R_SPARC_PC_LM22,10,2,22,true, 0,true,false, 0,"R_SPARC_LM22", false,0,0x003fffff,false),
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HOWTO(R_SPARC_WDISP16, 2,2,16,true, 0,false, true,DIE,"R_SPARC_WDISP16",false,0,0,false),
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HOWTO(R_SPARC_WDISP19, 2,2,22,true, 0,false, true, 0, "R_SPARC_WDISP19",false,0,0x0007ffff,false),
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HOWTO(R_SPARC_GLOB_JMP,0,0,00,false,0,false,false,0,"R_SPARC_GLOB_DAT",false,0,0x00000000,false),
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HOWTO(R_SPARC_LO7, 0,1, 7,false,0,false,false,0,"R_SPARC_LO7", false,0,0x0000007f,false),
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};
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struct elf_reloc_map {
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unsigned char bfd_reloc_val;
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unsigned char elf_reloc_val;
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};
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static CONST struct elf_reloc_map sparc_reloc_map[] =
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{
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{ BFD_RELOC_NONE, R_SPARC_NONE, },
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{ BFD_RELOC_16, R_SPARC_16, },
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{ BFD_RELOC_8, R_SPARC_8 },
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{ BFD_RELOC_8_PCREL, R_SPARC_DISP8 },
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{ BFD_RELOC_CTOR, R_SPARC_32 }, /* @@ Assumes 32 bits. */
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{ BFD_RELOC_32, R_SPARC_32 },
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{ BFD_RELOC_32_PCREL, R_SPARC_DISP32 },
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{ BFD_RELOC_HI22, R_SPARC_HI22 },
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{ BFD_RELOC_LO10, R_SPARC_LO10, },
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{ BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 },
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{ BFD_RELOC_SPARC22, R_SPARC_22 },
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{ BFD_RELOC_SPARC13, R_SPARC_13 },
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{ BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 },
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{ BFD_RELOC_SPARC_GOT13, R_SPARC_GOT13 },
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{ BFD_RELOC_SPARC_GOT22, R_SPARC_GOT22 },
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{ BFD_RELOC_SPARC_PC10, R_SPARC_PC10 },
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{ BFD_RELOC_SPARC_PC22, R_SPARC_PC22 },
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{ BFD_RELOC_SPARC_WPLT30, R_SPARC_WPLT30 },
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{ BFD_RELOC_SPARC_COPY, R_SPARC_COPY },
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{ BFD_RELOC_SPARC_GLOB_DAT, R_SPARC_GLOB_DAT },
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{ BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT },
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{ BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE },
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{ BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 },
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/* { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, not used?? */
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{ BFD_RELOC_SPARC_10, R_SPARC_10 },
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{ BFD_RELOC_SPARC_11, R_SPARC_11 },
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{ BFD_RELOC_SPARC_64, R_SPARC_64 },
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{ BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10 },
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{ BFD_RELOC_SPARC_HH22, R_SPARC_HH22 },
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{ BFD_RELOC_SPARC_HM10, R_SPARC_HM10 },
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{ BFD_RELOC_SPARC_LM22, R_SPARC_LM22 },
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{ BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22 },
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{ BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10 },
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{ BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22 },
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{ BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16 },
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{ BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19 },
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{ BFD_RELOC_SPARC_GLOB_JMP, R_SPARC_GLOB_JMP },
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{ BFD_RELOC_SPARC_LO7, R_SPARC_LO7 },
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};
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static CONST struct reloc_howto_struct *
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DEFUN (bfd_elf64_bfd_reloc_type_lookup, (abfd, code),
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bfd *abfd AND
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bfd_reloc_code_real_type code)
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{
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int i;
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for (i = 0; i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map); i++)
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{
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if (sparc_reloc_map[i].bfd_reloc_val == code)
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return &elf_sparc_howto_table[(int) sparc_reloc_map[i].elf_reloc_val];
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}
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return 0;
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}
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static void
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DEFUN (elf_info_to_howto, (abfd, cache_ptr, dst),
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bfd *abfd AND
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arelent *cache_ptr AND
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Elf64_Internal_Rela *dst)
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{
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BFD_ASSERT (ELF64_R_TYPE(dst->r_info) < (unsigned int) R_SPARC_max);
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cache_ptr->howto = &elf_sparc_howto_table[ELF64_R_TYPE(dst->r_info)];
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}
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#define TARGET_BIG_SYM bfd_elf64_sparc_vec
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#define TARGET_BIG_NAME "elf64-sparc"
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#define ELF_ARCH bfd_arch_sparc
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#include "elf64-target.h"
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