diff options
Diffstat (limited to 'binutils-2.25/bfd/coff-sparc.c')
-rw-r--r-- | binutils-2.25/bfd/coff-sparc.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/binutils-2.25/bfd/coff-sparc.c b/binutils-2.25/bfd/coff-sparc.c new file mode 100644 index 00000000..d3802c03 --- /dev/null +++ b/binutils-2.25/bfd/coff-sparc.c @@ -0,0 +1,209 @@ +/* BFD back-end for Sparc COFF files. + Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000, 2001, + 2002, 2003, 2005, 2007, 2008, 2012 Free Software Foundation, Inc. + Written by Cygnus Support. + + 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 3 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#include "sysdep.h" +#include "bfd.h" +#include "libbfd.h" +#include "coff/sparc.h" +#include "coff/internal.h" +#include "libcoff.h" + +#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3) + +#define BADMAG(x) ((x).f_magic != SPARCMAGIC && (x).f_magic != LYNXCOFFMAGIC) + +/* The page size is a guess based on ELF. */ +#define COFF_PAGE_SIZE 0x10000 + +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, + R_SPARC_max + }; + +/* This is stolen pretty directly from elf.c. */ + +static bfd_reloc_status_type +bfd_coff_generic_reloc (bfd *abfd ATTRIBUTE_UNUSED, + arelent *reloc_entry, + asymbol *symbol, + void * data ATTRIBUTE_UNUSED, + asection *input_section, + bfd *output_bfd, + char **error_message ATTRIBUTE_UNUSED) +{ + if (output_bfd != (bfd *) NULL + && (symbol->flags & BSF_SECTION_SYM) == 0) + { + reloc_entry->address += input_section->output_offset; + return bfd_reloc_ok; + } + + return bfd_reloc_continue; +} + +static reloc_howto_type coff_sparc_howto_table[] = +{ + HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_NONE", FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_8", FALSE,0,0x000000ff,TRUE), + HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_16", FALSE,0,0x0000ffff,TRUE), + HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_32", FALSE,0,0xffffffff,TRUE), + HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE), + HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE), + HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_DISP32", FALSE,0,0x00ffffff,TRUE), + HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE), + HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_HI22", FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_22", FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_13", FALSE,0,0x00001fff,TRUE), + HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_LO10", FALSE,0,0x000003ff,TRUE), + HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE), + HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE), + HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_PC10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_PC10", FALSE,0,0x000003ff,TRUE), + HOWTO(R_SPARC_PC22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_PC22", FALSE,0,0x003fffff,TRUE), + HOWTO(R_SPARC_WPLT30, 0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_WPLT30", FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_COPY", FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_GLOB_DAT,0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_JMP_SLOT,0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_RELATIVE,0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE), + HOWTO(R_SPARC_UA32, 0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_UA32", FALSE,0,0x00000000,TRUE), +}; + +struct coff_reloc_map +{ + bfd_reloc_code_real_type bfd_reloc_val; + unsigned char coff_reloc_val; +}; + +static const struct coff_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_UA32, R_SPARC_UA32 }, not used?? */ +}; + +static reloc_howto_type * +coff_sparc_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, + bfd_reloc_code_real_type code) +{ + unsigned int i; + for (i = 0; i < sizeof (sparc_reloc_map) / sizeof (struct coff_reloc_map); i++) + { + if (sparc_reloc_map[i].bfd_reloc_val == code) + return &coff_sparc_howto_table[(int) sparc_reloc_map[i].coff_reloc_val]; + } + return 0; +} +#define coff_bfd_reloc_type_lookup coff_sparc_reloc_type_lookup + +static reloc_howto_type * +coff_sparc_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, + const char *r_name) +{ + unsigned int i; + + for (i = 0; + i < (sizeof (coff_sparc_howto_table) + / sizeof (coff_sparc_howto_table[0])); + i++) + if (coff_sparc_howto_table[i].name != NULL + && strcasecmp (coff_sparc_howto_table[i].name, r_name) == 0) + return &coff_sparc_howto_table[i]; + + return NULL; +} +#define coff_bfd_reloc_name_lookup coff_sparc_reloc_name_lookup + +static void +rtype2howto (arelent *cache_ptr, struct internal_reloc *dst) +{ + BFD_ASSERT (dst->r_type < (unsigned int) R_SPARC_max); + cache_ptr->howto = &coff_sparc_howto_table[dst->r_type]; +} + +#define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry) + +#define SWAP_IN_RELOC_OFFSET H_GET_32 +#define SWAP_OUT_RELOC_OFFSET H_PUT_32 +#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \ + cache_ptr->addend = reloc.r_offset; + +/* Clear the r_spare field in relocs. */ +#define SWAP_OUT_RELOC_EXTRA(abfd,src,dst) \ + do { \ + dst->r_spare[0] = 0; \ + dst->r_spare[1] = 0; \ + } while (0) + +#define __A_MAGIC_SET__ + +/* Enable Sparc-specific hacks in coffcode.h. */ + +#define COFF_SPARC + +#define bfd_pe_print_pdata NULL + +#include "coffcode.h" + +#ifndef TARGET_SYM +#define TARGET_SYM sparccoff_vec +#endif + +#ifndef TARGET_NAME +#define TARGET_NAME "coff-sparc" +#endif + +CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, D_PAGED, 0, '_', NULL, COFF_SWAP_TABLE) |