Add and use elfcomm.c/elfcomm.h.

2010-11-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/12235
	* elfcomm.c: New.
	* elfcomm.h: Likewise.

	* Makefile.am (HFILES): Add elfcomm.h.
	(CFILES): Add elfcomm.c.
	(ELFLIBS): New.
	(readelf_SOURCES): Add $(ELFLIBS).
	(elfedit_SOURCES): Likewise.
	(objdump_SOURCES): Likewise.
	* Makefile.in: Regenerated.

	* dwarf.c: Include "elfcomm.h".
	(byte_get): Removed.
	(byte_get_little_endian): Likewise.
	(byte_get_big_endian): Likewise.
	(byte_get_signed): Likewise.
	(error): Likewise.
	(warn): Likewise.

	* dwarf.h (dwarf_vma): Defined with HOST_WIDEST_INT.
	(dwarf_size_type): Likewise.
	(byte_get): Removed.
	(byte_get_signed): Likewise.
	(byte_get_little_endian): Likewise.
	(byte_get_big_endian): Likewise.
	(error): Likewise.
	(warn): Likewise.

	* elfedit.c: Include "elfcomm.h".  Don't include "aout/ar.h".
	Call error () instead of non_fatal ().
	(streq): Removed.
	(strneq): Likewise.
	(const_strneq): Likewise.
	(non_fatal): Likewise.
	(BYTE_GET): Likewise.
	(BYTE_PUT): Likewise.
	(byte_get): Likewise.
	(byte_put): Likewise.
	(byte_get_little_endian): Likewise.
	(byte_get_big_endian): Likewise.
	(byte_put_little_endian): Likewise.
	(byte_put_big_endian): Likewise.
	(adjust_relative_path): Likewise.
	(archive_info): Likewise.
	(setup_archive): Likewise.
	(release_archive): Likewise.
	(setup_nested_archive): Likewise.
	(get_archive_member_name): Likewise.
	(get_archive_member_name_at): Likewise.
	(make_qualified_name): Likewise.

	* objdump.c: Include "elfcomm.h".

	* readelf.c: Include "elfcomm.h".  Don't include "aout/ar.h".
	(BYTE_GET): Removed.
	(BYTE_GET_SIGNED): Removed.
	(streq): Likewise.
	(strneq): Likewise.
	(const_strneq): Likewise.
	(byte_put): Likewise.
	(byte_put_little_endian): Likewise.
	(byte_put_big_endian): Likewise.
	(adjust_relative_path): Likewise.
	(archive_info): Likewise.
	(setup_archive): Likewise.
	(release_archive): Likewise.
	(setup_nested_archive): Likewise.
	(get_archive_member_name): Likewise.
	(get_archive_member_name_at): Likewise.
	(make_qualified_name): Likewise.

1 files changed, 110 insertions, 0 deletions

diff --git a/binutils/elfcomm.h b/binutils/elfcomm.h
new file mode 100644
index 0000000000..3f9727e5cb
--- /dev/null
+++ b/binutils/elfcomm.h
@@ -0,0 +1,110 @@
+/* elfcomm.h -- include file of common code for ELF format file.
+   Copyright 2010
+   Free Software Foundation, Inc.
+
+   Originally developed by Eric Youngdale <eric@andante.jic.com>
+   Modifications by Nick Clifton <nickc@redhat.com>
+
+   This file is part of GNU Binutils.
+
+   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.  */
+
+#ifndef _ELFCOMM_H
+#define _ELFCOMM_H
+
+#include "aout/ar.h"
+
+void error (const char *, ...) ATTRIBUTE_PRINTF_1;
+void warn (const char *, ...) ATTRIBUTE_PRINTF_1;
+
+#if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2)
+/* We can't use any bfd types here since readelf may define BFD64 and
+   objdump may not.  */
+#define HOST_WIDEST_INT	long long
+#else
+#define HOST_WIDEST_INT long
+#endif
+typedef unsigned HOST_WIDEST_INT elf_vma;
+
+extern void (*byte_put) (unsigned char *, elf_vma, int);
+extern void byte_put_little_endian (unsigned char *, elf_vma, int);
+extern void byte_put_big_endian (unsigned char *, elf_vma, int);
+
+extern elf_vma (*byte_get) (unsigned char *, int);
+extern elf_vma byte_get_signed (unsigned char *, int);
+extern elf_vma byte_get_little_endian (unsigned char *, int);
+extern elf_vma byte_get_big_endian (unsigned char *, int);
+
+#define BYTE_PUT(field, val)	byte_put (field, val, sizeof (field))
+#define BYTE_GET(field)		byte_get (field, sizeof (field))
+#define BYTE_GET_SIGNED(field)	byte_get_signed (field, sizeof (field))
+
+/* This is just a bit of syntatic sugar.  */
+#define streq(a,b)	  (strcmp ((a), (b)) == 0)
+#define strneq(a,b,n)	  (strncmp ((a), (b), (n)) == 0)
+#define const_strneq(a,b) (strncmp ((a), (b), sizeof (b) - 1) == 0)
+
+/* Structure to hold information about an archive file.  */
+
+struct archive_info
+{
+  char * file_name;                     /* Archive file name.  */
+  FILE * file;                          /* Open file descriptor.  */
+  unsigned long index_num;              /* Number of symbols in table.  */
+  unsigned long * index_array;          /* The array of member offsets.  */
+  char * sym_table;                     /* The symbol table.  */
+  unsigned long sym_size;               /* Size of the symbol table.  */
+  char * longnames;                     /* The long file names table.  */
+  unsigned long longnames_size;         /* Size of the long file names table.  */
+  unsigned long nested_member_origin;   /* Origin in the nested archive of the current member.  */
+  unsigned long next_arhdr_offset;      /* Offset of the next archive header.  */
+  bfd_boolean is_thin_archive;          /* TRUE if this is a thin archive.  */
+  struct ar_hdr arhdr;                  /* Current archive header.  */
+};
+
+/* Return the path name for a proxy entry in a thin archive.  */
+extern char *adjust_relative_path (const char *, const char *, int);
+
+/* Read the symbol table and long-name table from an archive.  */
+extern int setup_archive (struct archive_info *, const char *, FILE *,
+			  bfd_boolean, bfd_boolean);
+
+/* Open and setup a nested archive, if not already open.  */
+extern int setup_nested_archive (struct archive_info *, const char *);
+
+/* Release the memory used for the archive information.  */
+extern void release_archive (struct archive_info *);
+
+/* Get the name of an archive member from the current archive header.  */
+
+extern char *get_archive_member_name (struct archive_info *,
+				      struct archive_info *);
+
+/* Get the name of an archive member at a given offset within an
+   archive.  */
+
+extern char *get_archive_member_name_at (struct archive_info *,
+					 unsigned long,
+					 struct archive_info *);
+
+/* Construct a string showing the name of the archive member, qualified
+   with the name of the containing archive file.  */
+
+extern char *make_qualified_name (struct archive_info *,
+				  struct archive_info *,
+				  const char *);
+
+#endif /* _ELFCOMM_H */