aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorKen Raeburn <raeburn@cygnus>1993-06-30 02:52:52 +0000
committerKen Raeburn <raeburn@cygnus>1993-06-30 02:52:52 +0000
commit3adad029e08c4f840174b5bc437240d3c1e99059 (patch)
treeec6338b24fce7bd8a62e294e20196db7926e67fb
parentf0d7cc29ad6b3d6cd87eccb8856e51c4084d5f96 (diff)
downloadgdb-3adad029e08c4f840174b5bc437240d3c1e99059.zip
gdb-3adad029e08c4f840174b5bc437240d3c1e99059.tar.gz
gdb-3adad029e08c4f840174b5bc437240d3c1e99059.tar.bz2
new generic elf64 stuff
-rw-r--r--bfd/elf64-generic.c36
-rw-r--r--bfd/elf64-target.h233
2 files changed, 269 insertions, 0 deletions
diff --git a/bfd/elf64-generic.c b/bfd/elf64-generic.c
new file mode 100644
index 0000000..1e5954f
--- /dev/null
+++ b/bfd/elf64-generic.c
@@ -0,0 +1,36 @@
+/* Generic support for 64-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"
+
+/* This does not include any relocations, but should be good enough
+ for GDB to read the file. */
+
+#define TARGET_LITTLE_SYM bfd_elf64_little_generic_vec
+#define TARGET_LITTLE_NAME "elf64-little"
+#define TARGET_BIG_SYM bfd_elf64_big_generic_vec
+#define TARGET_BIG_NAME "elf64-big"
+#define ELF_ARCH bfd_arch_unknown
+#define bfd_elf64_bfd_reloc_type_lookup bfd_default_reloc_type_lookup
+#define elf_info_to_howto bfd_elf64_no_info_to_howto
+
+#include "elf64-target.h"
diff --git a/bfd/elf64-target.h b/bfd/elf64-target.h
new file mode 100644
index 0000000..f74fb6e
--- /dev/null
+++ b/bfd/elf64-target.h
@@ -0,0 +1,233 @@
+/* Target definitions for 64-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 structure contains everything that BFD knows about a target.
+ It includes things like its byte order, name, what routines to call
+ to do various operations, etc. Every BFD points to a target structure
+ with its "xvec" member.
+
+ There are two such structures here: one for big-endian machines and
+ one for little-endian machines. */
+
+/* Archives are generic or unimplemented. */
+#ifndef bfd_elf64_slurp_armap
+#define bfd_elf64_slurp_armap bfd_slurp_coff_armap
+#endif
+#define bfd_elf64_slurp_extended_name_table _bfd_slurp_extended_name_table
+#define bfd_elf64_truncate_arname bfd_dont_truncate_arname
+#define bfd_elf64_openr_next_archived_file bfd_generic_openr_next_archived_file
+#define bfd_elf64_generic_stat_arch_elt bfd_generic_stat_arch_elt
+#ifndef bfd_elf64_write_armap
+#define bfd_elf64_write_armap coff_write_armap
+#endif
+
+/* Ordinary section reading and writing */
+#define bfd_elf64_get_section_contents bfd_generic_get_section_contents
+#define bfd_elf64_close_and_cleanup bfd_generic_close_and_cleanup
+
+#define bfd_elf64_bfd_debug_info_start bfd_void
+#define bfd_elf64_bfd_debug_info_end bfd_void
+#define bfd_elf64_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
+#define bfd_elf64_bfd_get_relocated_section_contents \
+ bfd_generic_get_relocated_section_contents
+#define bfd_elf64_bfd_relax_section bfd_generic_relax_section
+#define bfd_elf64_bfd_seclet_link bfd_generic_seclet_link
+#define bfd_elf64_bfd_make_debug_symbol \
+ ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
+
+static CONST struct elf_backend_data elf64_bed =
+{
+#ifdef USE_REL
+ 0, /* use_rela_p */
+#else
+ 1, /* use_rela_p */
+#endif
+ 0, /* elf_64_p */
+ ELF_ARCH, /* arch */
+ elf_info_to_howto, /* elf_info_to_howto */
+#ifdef elf_info_to_howto_rel
+ elf_info_to_howto_rel, /* elf_info_to_howto_rel */
+#else
+ 0, /* elf_info_to_howto_rel */
+#endif
+};
+
+#ifdef TARGET_BIG_SYM
+bfd_target TARGET_BIG_SYM =
+{
+ /* name: identify kind of target */
+ TARGET_BIG_NAME,
+
+ /* flavour: general indication about file */
+ bfd_target_elf_flavour,
+
+ /* byteorder_big_p: data is big endian */
+ true,
+
+ /* header_byteorder_big_p: header is also big endian */
+ true,
+
+ /* object_flags: mask of all file flags */
+ (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
+ DYNAMIC | WP_TEXT),
+
+ /* section_flags: mask of all section flags */
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
+ SEC_CODE | SEC_DATA),
+
+ /* leading_symbol_char: is the first char of a user symbol
+ predictable, and if so what is it */
+ 0,
+
+ /* ar_pad_char: pad character for filenames within an archive header
+ FIXME: this really has nothing to do with ELF, this is a characteristic
+ of the archiver and/or os and should be independently tunable */
+ '/',
+
+ /* ar_max_namelen: maximum number of characters in an archive header
+ FIXME: this really has nothing to do with ELF, this is a characteristic
+ of the archiver and should be independently tunable. This value is
+ a WAG (wild a** guess) */
+ 15,
+
+ /* align_power_min: minimum alignment restriction for any section
+ FIXME: this value may be target machine dependent */
+ 3,
+
+ /* Routines to byte-swap various sized integers from the data sections */
+ _do_getb64, _do_getb_signed_64, _do_putb64,
+ _do_getb32, _do_getb_signed_32, _do_putb32,
+ _do_getb16, _do_getb_signed_16, _do_putb16,
+
+ /* Routines to byte-swap various sized integers from the file headers */
+ _do_getb64, _do_getb_signed_64, _do_putb64,
+ _do_getb32, _do_getb_signed_32, _do_putb32,
+ _do_getb16, _do_getb_signed_16, _do_putb16,
+
+ /* bfd_check_format: check the format of a file being read */
+ { _bfd_dummy_target, /* unknown format */
+ bfd_elf64_object_p, /* assembler/linker output (object file) */
+ bfd_generic_archive_p, /* an archive */
+ bfd_elf64_core_file_p /* a core file */
+ },
+
+ /* bfd_set_format: set the format of a file being written */
+ { bfd_false,
+ bfd_elf_mkobject,
+ _bfd_generic_mkarchive,
+ bfd_false
+ },
+
+ /* bfd_write_contents: write cached information into a file being written */
+ { bfd_false,
+ bfd_elf64_write_object_contents,
+ _bfd_write_archive_contents,
+ bfd_false
+ },
+
+ /* Initialize a jump table with the standard macro. All names start with
+ "elf" */
+ JUMP_TABLE(bfd_elf64),
+
+ /* backend_data: */
+ (PTR) &elf64_bed,
+};
+#endif
+
+#ifdef TARGET_LITTLE_SYM
+bfd_target TARGET_LITTLE_SYM =
+{
+ /* name: identify kind of target */
+ TARGET_LITTLE_NAME,
+
+ /* flavour: general indication about file */
+ bfd_target_elf_flavour,
+
+ /* byteorder_big_p: data is big endian */
+ false, /* Nope -- this one's little endian */
+
+ /* header_byteorder_big_p: header is also big endian */
+ false, /* Nope -- this one's little endian */
+
+ /* object_flags: mask of all file flags */
+ (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS |
+ DYNAMIC | WP_TEXT),
+
+ /* section_flags: mask of all section flags */
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY |
+ SEC_DATA),
+
+ /* leading_symbol_char: is the first char of a user symbol
+ predictable, and if so what is it */
+ 0,
+
+ /* ar_pad_char: pad character for filenames within an archive header
+ FIXME: this really has nothing to do with ELF, this is a characteristic
+ of the archiver and/or os and should be independently tunable */
+ '/',
+
+ /* ar_max_namelen: maximum number of characters in an archive header
+ FIXME: this really has nothing to do with ELF, this is a characteristic
+ of the archiver and should be independently tunable. This value is
+ a WAG (wild a** guess) */
+ 15,
+
+ /* align_power_min: minimum alignment restriction for any section
+ FIXME: this value may be target machine dependent */
+ 3,
+
+ /* Routines to byte-swap various sized integers from the data sections */
+ _do_getl64, _do_getl_signed_64, _do_putl64,
+ _do_getl32, _do_getl_signed_32, _do_putl32,
+ _do_getl16, _do_getl_signed_16, _do_putl16,
+
+ /* Routines to byte-swap various sized integers from the file headers */
+ _do_getl64, _do_getl_signed_64, _do_putl64,
+ _do_getl32, _do_getl_signed_32, _do_putl32,
+ _do_getl16, _do_getl_signed_16, _do_putl16,
+
+ /* bfd_check_format: check the format of a file being read */
+ { _bfd_dummy_target, /* unknown format */
+ bfd_elf64_object_p, /* assembler/linker output (object file) */
+ bfd_generic_archive_p, /* an archive */
+ bfd_elf64_core_file_p /* a core file */
+ },
+
+ /* bfd_set_format: set the format of a file being written */
+ { bfd_false,
+ bfd_elf_mkobject,
+ _bfd_generic_mkarchive,
+ bfd_false
+ },
+
+ /* bfd_write_contents: write cached information into a file being written */
+ { bfd_false,
+ bfd_elf64_write_object_contents,
+ _bfd_write_archive_contents,
+ bfd_false
+ },
+
+ /* Initialize a jump table with the standard macro. All names start with
+ "elf" */
+ JUMP_TABLE(bfd_elf64),
+
+ /* backend_data: */
+ (PTR) &elf64_bed,
+};
+#endif