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-rw-r--r--binutils-2.25/bfd/coff-sparc.c209
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)