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| -rw-r--r-- | bfd/elf64-sparc.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/bfd/elf64-sparc.c b/bfd/elf64-sparc.c new file mode 100644 index 0000000..817457c --- /dev/null +++ b/bfd/elf64-sparc.c @@ -0,0 +1,197 @@ +/* SPARC-specific support for 32-bit ELF + Copyright 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "bfd.h" +#include "sysdep.h" +#include "libbfd.h" +#include "libelf.h" + +enum reloc_type + { + R_SPARC_NONE = 0, + R_SPARC_8, R_SPARC_16, R_SPARC_32, + R_SPARC_DISP8, R_SPARC_DISP16, R_SPARC_DISP32, + R_SPARC_WDISP30, R_SPARC_WDISP22, + R_SPARC_HI22, R_SPARC_22, + R_SPARC_13, R_SPARC_LO10, + R_SPARC_GOT10, R_SPARC_GOT13, R_SPARC_GOT22, + R_SPARC_PC10, R_SPARC_PC22, + R_SPARC_WPLT30, + R_SPARC_COPY, + R_SPARC_GLOB_DAT, R_SPARC_JMP_SLOT, + R_SPARC_RELATIVE, + R_SPARC_UA32, + + /* v9 relocs */ + R_SPARC_10, R_SPARC_11, R_SPARC_64, + R_SPARC_OLO10, R_SPARC_HH22, R_SPARC_HM10, R_SPARC_LM22, + R_SPARC_PC_HH22, R_SPARC_PC_HM10, R_SPARC_PC_LM22, + R_SPARC_WDISP16, R_SPARC_WDISP19, + R_SPARC_GLOB_JMP, R_SPARC_LO7, + + R_SPARC_max + }; + +#if 0 +static CONST char *CONST reloc_type_names[] = +{ + "R_SPARC_NONE", + "R_SPARC_8", "R_SPARC_16", "R_SPARC_32", + "R_SPARC_DISP8", "R_SPARC_DISP16", "R_SPARC_DISP32", + "R_SPARC_WDISP30", "R_SPARC_WDISP22", + "R_SPARC_HI22", "R_SPARC_22", + "R_SPARC_13", "R_SPARC_LO10", + "R_SPARC_GOT10", "R_SPARC_GOT13", "R_SPARC_GOT22", + "R_SPARC_PC10", "R_SPARC_PC22", + "R_SPARC_WPLT30", + "R_SPARC_COPY", + "R_SPARC_GLOB_DAT", "R_SPARC_JMP_SLOT", + "R_SPARC_RELATIVE", + "R_SPARC_UA32", + + "R_SPARC_10", "R_SPARC_11", "R_SPARC_64", + "R_SPARC_OLO10", "R_SPARC_HH22", "R_SPARC_HM10", "R_SPARC_LM22", + "R_SPARC_PC_HH22", "R_SPARC_PC_HM10", "R_SPARC_PC_LM22", + "R_SPARC_WDISP16", "R_SPARC_WDISP19", + "R_SPARC_GLOB_JMP", "R_SPARC_LO7", +}; +#endif + +extern void abort (); +#define DIE ((bfd_reloc_status_type(*)())abort) + +static reloc_howto_type elf_sparc_howto_table[] = +{ + HOWTO(R_SPARC_NONE, 0,0, 0,false,0,false,false, 0,"R_SPARC_NONE", false,0,0x00000000,false), + HOWTO(R_SPARC_8, 0,0, 8,false,0,true, true, 0,"R_SPARC_8", false,0,0x000000ff,false), + HOWTO(R_SPARC_16, 0,1,16,false,0,true, true, 0,"R_SPARC_16", false,0,0x0000ffff,false), + HOWTO(R_SPARC_32, 0,2,32,false,0,true, true, 0,"R_SPARC_32", false,0,0xffffffff,false), + HOWTO(R_SPARC_DISP8, 0,0, 8,true, 0,false, true, 0,"R_SPARC_DISP8", false,0,0x000000ff,false), + HOWTO(R_SPARC_DISP16, 0,1,16,true, 0,false, true, 0,"R_SPARC_DISP16", false,0,0x0000ffff,false), + HOWTO(R_SPARC_DISP32, 0,2,32,true, 0,false, true, 0,"R_SPARC_DISP32", false,0,0x00ffffff,false), + HOWTO(R_SPARC_WDISP30,2,2,30,true, 0,false, true, 0,"R_SPARC_WDISP30",false,0,0x3fffffff,false), + HOWTO(R_SPARC_WDISP22,2,2,22,true, 0,false, true, 0,"R_SPARC_WDISP22",false,0,0x003fffff,false), + HOWTO(R_SPARC_HI22, 10,2,22,false,0,true, false, 0,"R_SPARC_HI22", false,0,0x003fffff,false), + HOWTO(R_SPARC_22, 0,2,22,false,0,true, true, 0,"R_SPARC_22", false,0,0x003fffff,false), + HOWTO(R_SPARC_13, 0,1,13,false,0,true, true, 0,"R_SPARC_13", false,0,0x00001fff,false), + HOWTO(R_SPARC_LO10, 0,1,10,false,0,true, false, 0,"R_SPARC_LO10", false,0,0x000003ff,false), + HOWTO(R_SPARC_GOT10, 0,1,10,false,0,false, true, 0,"R_SPARC_GOT10", false,0,0x000003ff,false), + HOWTO(R_SPARC_GOT13, 0,1,13,false,0,false, true, 0,"R_SPARC_GOT13", false,0,0x00001fff,false), + HOWTO(R_SPARC_GOT22, 10,2,22,false,0,false, true, 0,"R_SPARC_GOT22", false,0,0x003fffff,false), + HOWTO(R_SPARC_PC10, 0,1,10,false,0,true, true, 0,"R_SPARC_PC10", false,0,0x000003ff,false), + HOWTO(R_SPARC_PC22, 0,2,22,false,0,true, true, 0,"R_SPARC_PC22", false,0,0x003fffff,false), + HOWTO(R_SPARC_WPLT30, 0,0,00,false,0,false,false, 0,"R_SPARC_WPLT30", false,0,0x00000000,false), + HOWTO(R_SPARC_COPY, 0,0,00,false,0,false,false, 0,"R_SPARC_COPY", false,0,0x00000000,false), + HOWTO(R_SPARC_GLOB_DAT,0,0,00,false,0,false,false,0,"R_SPARC_GLOB_DAT",false,0,0x00000000,false), + HOWTO(R_SPARC_JMP_SLOT,0,0,00,false,0,false,false,0,"R_SPARC_JMP_SLOT",false,0,0x00000000,false), + HOWTO(R_SPARC_RELATIVE,0,0,00,false,0,false,false,0,"R_SPARC_RELATIVE",false,0,0x00000000,false), + HOWTO(R_SPARC_UA32, 0,0,00,false,0,false,false,0,"R_SPARC_UA32", false,0,0x00000000,false), + HOWTO(R_SPARC_10, 0,1,10,false,0,true, true, 0, "R_SPARC_10", false,0,0x000003ff,false), + HOWTO(R_SPARC_11, 0,1,11,false,0,true, true, 0,"R_SPARC_11", false,0,0x000007ff,false), + HOWTO(R_SPARC_64, 0,4,00,false,0,true, true, 0,"R_SPARC_64", false,0,(((bfd_vma)0xffffffff)<<32)+0xffffffff,false), + HOWTO(R_SPARC_OLO10, 0,1,10,false,0,true,false, DIE,"R_SPARC_OLO10",false,0,0x000003ff,false), + HOWTO(R_SPARC_HH22, 42,2,22,false,0,true, false, 0,"R_SPARC_HH22", false,0,0x003fffff,false), + HOWTO(R_SPARC_HM10, 32,1,10,false,0,true,false, 0,"R_SPARC_HM10", false,0,0x000003ff,false), + HOWTO(R_SPARC_LM22, 10,2,22,false,0,true,false, 0,"R_SPARC_LM22", false,0,0x003fffff,false), + HOWTO(R_SPARC_PC_HH22,42,2,22, true,0,true, false, 0,"R_SPARC_HH22", false,0,0x003fffff,false), + HOWTO(R_SPARC_PC_HM10,32,1,10, true,0,true,false, 0,"R_SPARC_HM10", false,0,0x000003ff,false), + HOWTO(R_SPARC_PC_LM22,10,2,22,true, 0,true,false, 0,"R_SPARC_LM22", false,0,0x003fffff,false), + HOWTO(R_SPARC_WDISP16, 2,2,16,true, 0,false, true,DIE,"R_SPARC_WDISP16",false,0,0,false), + HOWTO(R_SPARC_WDISP19, 2,2,22,true, 0,false, true, 0, "R_SPARC_WDISP19",false,0,0x0007ffff,false), + HOWTO(R_SPARC_GLOB_JMP,0,0,00,false,0,false,false,0,"R_SPARC_GLOB_DAT",false,0,0x00000000,false), + HOWTO(R_SPARC_LO7, 0,1, 7,false,0,false,false,0,"R_SPARC_LO7", false,0,0x0000007f,false), +}; + +struct elf_reloc_map { + unsigned char bfd_reloc_val; + unsigned char elf_reloc_val; +}; + +static CONST struct elf_reloc_map sparc_reloc_map[] = +{ + { BFD_RELOC_NONE, R_SPARC_NONE, }, + { BFD_RELOC_16, R_SPARC_16, }, + { BFD_RELOC_8, R_SPARC_8 }, + { BFD_RELOC_8_PCREL, R_SPARC_DISP8 }, + { BFD_RELOC_CTOR, R_SPARC_32 }, /* @@ Assumes 32 bits. */ + { BFD_RELOC_32, R_SPARC_32 }, + { BFD_RELOC_32_PCREL, R_SPARC_DISP32 }, + { BFD_RELOC_HI22, R_SPARC_HI22 }, + { BFD_RELOC_LO10, R_SPARC_LO10, }, + { BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 }, + { BFD_RELOC_SPARC22, R_SPARC_22 }, + { BFD_RELOC_SPARC13, R_SPARC_13 }, + { BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 }, + { BFD_RELOC_SPARC_GOT13, R_SPARC_GOT13 }, + { BFD_RELOC_SPARC_GOT22, R_SPARC_GOT22 }, + { BFD_RELOC_SPARC_PC10, R_SPARC_PC10 }, + { BFD_RELOC_SPARC_PC22, R_SPARC_PC22 }, + { BFD_RELOC_SPARC_WPLT30, R_SPARC_WPLT30 }, + { BFD_RELOC_SPARC_COPY, R_SPARC_COPY }, + { BFD_RELOC_SPARC_GLOB_DAT, R_SPARC_GLOB_DAT }, + { BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT }, + { BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE }, + { BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 }, + { BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19 }, +/* { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, not used?? */ + { BFD_RELOC_SPARC_10, R_SPARC_10 }, + { BFD_RELOC_SPARC_11, R_SPARC_11 }, + { BFD_RELOC_SPARC_64, R_SPARC_64 }, + { BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10 }, + { BFD_RELOC_SPARC_HH22, R_SPARC_HH22 }, + { BFD_RELOC_SPARC_HM10, R_SPARC_HM10 }, + { BFD_RELOC_SPARC_LM22, R_SPARC_LM22 }, + { BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22 }, + { BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10 }, + { BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22 }, + { BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16 }, + { BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19 }, + { BFD_RELOC_SPARC_GLOB_JMP, R_SPARC_GLOB_JMP }, + { BFD_RELOC_SPARC_LO7, R_SPARC_LO7 }, +}; + +static CONST struct reloc_howto_struct * +DEFUN (bfd_elf64_bfd_reloc_type_lookup, (abfd, code), + bfd *abfd AND + bfd_reloc_code_real_type code) +{ + int i; + for (i = 0; i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map); i++) + { + if (sparc_reloc_map[i].bfd_reloc_val == code) + return &elf_sparc_howto_table[(int) sparc_reloc_map[i].elf_reloc_val]; + } + return 0; +} + +static void +DEFUN (elf_info_to_howto, (abfd, cache_ptr, dst), + bfd *abfd AND + arelent *cache_ptr AND + Elf64_Internal_Rela *dst) +{ + BFD_ASSERT (ELF64_R_TYPE(dst->r_info) < (unsigned int) R_SPARC_max); + cache_ptr->howto = &elf_sparc_howto_table[ELF64_R_TYPE(dst->r_info)]; +} + +#define TARGET_BIG_SYM bfd_elf64_sparc_vec +#define TARGET_BIG_NAME "elf64-sparc" +#define ELF_ARCH bfd_arch_sparc + +#include "elf64-target.h" |