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authorIan Lance Taylor <ian@airs.com>1993-08-04 16:36:10 +0000
committerIan Lance Taylor <ian@airs.com>1993-08-04 16:36:10 +0000
commite4b6b3e71bd600c9ff393c9dd6d05379c7774082 (patch)
tree09d897a74890ead61c5f2a0d557817def8e8a871 /bfd/elf32-i386.c
parenteea92b244242cd2e1ce682d9f83e9384608534f6 (diff)
downloadbinutils-gdb-e4b6b3e71bd600c9ff393c9dd6d05379c7774082.tar.gz
* coff-h8500.c (rtype2howto): Do an fprintf to stderr rather than
using printf. * coff-z8k.c (rtype2howto): Likewise. * coffcode.h (dummy_reloc16_extra_cases): Likewise. * elf32-i386.c (TRACE): Likewise. * hp300hpux.c (convert_sym_type, swap_std_reloc_in): Likewise. * rs6000-core.c (rs6000coff_get_section_contents): Likewise. * coffgen.c (coff_print_symbol): Do an fprintf to the file argument rather than using printf.
Diffstat (limited to 'bfd/elf32-i386.c')
-rw-r--r--bfd/elf32-i386.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c
new file mode 100644
index 00000000000..9ead8bf1b09
--- /dev/null
+++ b/bfd/elf32-i386.c
@@ -0,0 +1,127 @@
+/* Intel 80386/80486-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. */
+
+/*
+ * This file contains changes from the Open Software Foundation.
+ */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "libelf.h"
+
+#define USE_REL 1 /* 386 uses REL relocations instead of RELA */
+
+enum reloc_type
+ {
+ R_386_NONE = 0,
+ R_386_32, R_386_PC32,
+ R_386_GOT32, R_386_PLT32,
+ R_386_COPY,
+ R_386_GLOB_DAT, R_386_JUMP_SLOT,
+ R_386_RELATIVE,
+ R_386_GOTOFF, R_386_GOTPC,
+ R_386_max
+ };
+
+#if 0
+static CONST char *CONST reloc_type_names[] =
+{
+ "R_386_NONE",
+ "R_386_32", "R_386_PC32",
+ "R_386_GOT32", "R_386_PLT32",
+ "R_386_COPY",
+ "R_386_GLOB_DAT", "R_386_JUMP_SLOT",
+ "R_386_RELATIVE",
+ "R_386_GOTOFF", "R_386_GOTPC",
+};
+#endif
+
+
+static reloc_howto_type elf_howto_table[]=
+{
+ HOWTO(R_386_NONE, 0,0, 0,false,0, complain_overflow_dont, 0,"R_386_NONE", false,0x00000000,0x00000000,false),
+ HOWTO(R_386_32, 0,2,32,false,0, complain_overflow_bitfield, 0,"R_386_32", false,0xffffffff,0xffffffff,false),
+ HOWTO(R_386_PC32, 0,2,32,true, 0, complain_overflow_signed, 0,"R_386_PC32", false,0xffffffff,0xffffffff,false),
+ HOWTO(R_386_GOT32, 0,2,32,false,0, complain_overflow_bitfield, 0,"R_386_GOT32",false,0xffffffff,0xffffffff,false)
+};
+
+#ifdef DEBUG_GEN_RELOC
+#define TRACE(str) fprintf (stderr, "i386 bfd reloc lookup %d (%s)\n", code, str)
+#else
+#define TRACE(str)
+#endif
+
+static CONST struct reloc_howto_struct *
+DEFUN (elf_i386_reloc_type_lookup, (abfd, code),
+ bfd *abfd AND
+ bfd_reloc_code_real_type code)
+{
+ switch (code)
+ {
+ case BFD_RELOC_NONE:
+ TRACE ("BFD_RELOC_NONE");
+ return &elf_howto_table[ (int)R_386_NONE ];
+
+ case BFD_RELOC_32:
+ TRACE ("BFD_RELOC_32");
+ return &elf_howto_table[ (int)R_386_32 ];
+
+ case BFD_RELOC_32_PCREL:
+ TRACE ("BFD_RELOC_PC32");
+ return &elf_howto_table[ (int)R_386_PC32 ];
+
+ default:
+ abort ();
+ }
+
+ TRACE ("Unknown");
+ return 0;
+}
+
+static void
+DEFUN(elf_i386_info_to_howto, (abfd, cache_ptr, dst),
+ bfd *abfd AND
+ arelent *cache_ptr AND
+ Elf32_Internal_Rela *dst)
+{
+ BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < R_386_GOT32);
+
+ cache_ptr->howto = &elf_howto_table[ELF32_R_TYPE(dst->r_info)];
+}
+
+static void
+DEFUN(elf_i386_info_to_howto_rel, (abfd, cache_ptr, dst),
+ bfd *abfd AND
+ arelent *cache_ptr AND
+ Elf32_Internal_Rel *dst)
+{
+ BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < R_386_GOT32);
+
+ cache_ptr->howto = &elf_howto_table[ELF32_R_TYPE(dst->r_info)];
+}
+
+#define TARGET_LITTLE_SYM bfd_elf32_i386_vec
+#define TARGET_LITTLE_NAME "elf32-i386"
+#define ELF_ARCH bfd_arch_i386
+#define elf_info_to_howto elf_i386_info_to_howto
+#define elf_info_to_howto_rel elf_i386_info_to_howto_rel
+#define bfd_elf32_bfd_reloc_type_lookup elf_i386_reloc_type_lookup
+
+#include "elf32-target.h"