From Eric Youngdale <eric@andante.jic.com>:

	* external.h, internal.h, common.h: Added new structures and
	definitions for ELF versions.

3 files changed, 312 insertions, 1 deletions

diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index dff383ed37..4b9d54e811 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,9 @@
+Wed Feb 19 15:35:31 1997  Ian Lance Taylor  <ian@cygnus.com>
+
+	From Eric Youngdale <eric@andante.jic.com>:
+	* external.h, internal.h, common.h: Added new structures and
+	definitions for ELF versions.
+
 start-sanitize-d30v
 Tue Feb 18 17:40:36 1997  Martin M. Hunt  <hunt@pizza.cygnus.com>
 
diff --git a/include/elf/common.h b/include/elf/common.h
index 131ec29b03..d659f91ffe 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -1,5 +1,5 @@
 /* ELF support for BFD.
-   Copyright (C) 1991, 1992, 1993, 1994, 1996 Free Software Foundation, Inc.
+   Copyright (C) 1991, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
 
    Written by Fred Fish @ Cygnus Support, from information published
    in "UNIX System V Release 4, Programmers Guide: ANSI C and
@@ -179,6 +179,18 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #define SHT_REL		9		/* Relocation entries, no addends */
 #define SHT_SHLIB	10		/* Reserved, unspecified semantics */
 #define SHT_DYNSYM	11		/* Dynamic linking symbol table */
+
+/* The next three section types are defined by Solaris, and are named
+   SHT_SUNW*.  We use them in GNU code, so we also define SHT_GNU*
+   versions.  */
+#define SHT_SUNW_verdef	0x6ffffffd	/* Versions defined by file */
+#define SHT_SUNW_verneed 0x6ffffffe	/* Versions needed by file */
+#define SHT_SUNW_versym	0x6fffffff	/* Symbol versions */
+
+#define SHT_GNU_verdef	SHT_SUNW_verdef
+#define SHT_GNU_verneed	SHT_SUNW_verneed
+#define SHT_GNU_versym	SHT_SUNW_versym
+
 #define SHT_LOPROC	0x70000000	/* Processor-specific semantics, lo */
 #define SHT_HIPROC	0x7FFFFFFF	/* Processor-specific semantics, hi */
 #define SHT_LOUSER	0x80000000	/* Application-specific semantics */
@@ -273,6 +285,17 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #define DT_DEBUG	21
 #define DT_TEXTREL	22
 #define DT_JMPREL	23
+
+/* The next four dynamic tags are used on Solaris.  We support them
+   everywhere.  */
+#define DT_VERDEF	0x6ffffffc
+#define DT_VERDEFNUM	0x6ffffffd
+#define DT_VERNEED	0x6ffffffe
+#define DT_VERNEEDNUM	0x6fffffff
+
+/* This tag is a GNU extension to the Solaris version scheme.  */
+#define DT_VERSYM	0x6ffffff0
+
 #define DT_LOPROC	0x70000000
 #define DT_HIPROC	0x7fffffff
 
@@ -282,4 +305,35 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #define DT_AUXILIARY	0x7ffffffd
 #define DT_FILTER	0x7fffffff
 
+/* These constants are used for the version number of a Elf32_Verdef
+   structure.  */
+
+#define VER_DEF_NONE		0
+#define VER_DEF_CURRENT		1
+
+/* These constants appear in the vd_flags field of a Elf32_Verdef
+   structure.  */
+
+#define VER_FLG_BASE		0x1
+#define VER_FLG_WEAK		0x2
+
+/* These special constants can be found in an Elf32_Versym field.  */
+
+#define VER_NDX_LOCAL		0
+#define VER_NDX_GLOBAL		1
+
+/* These constants are used for the version number of a Elf32_Verneed
+   structure.  */
+
+#define VER_NEED_NONE		0
+#define VER_NEED_CURRENT	1
+
+/* This is a special token which appears as part of a symbol name.  It
+   indictes that the rest of the name is actually the name of a
+   version node, and is not part of the actual name.  This is a GNU
+   extension.  For example, the symbol name `stat@ver2' is taken to
+   mean the symbol `stat' in version `ver2'.  */
+
+#define ELF_VER_CHR	'@'
+
 #endif /* _ELF_COMMON_H */
diff --git a/include/elf/external.h b/include/elf/external.h
new file mode 100644
index 0000000000..0a5d176207
--- /dev/null
+++ b/include/elf/external.h
@@ -0,0 +1,251 @@
+/* ELF support for BFD.
+   Copyright (C) 1991, 92, 93, 95, 1997 Free Software Foundation, Inc.
+
+   Written by Fred Fish @ Cygnus Support, from information published
+   in "UNIX System V Release 4, Programmers Guide: ANSI C and
+   Programming Support Tools".
+
+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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+
+/* This file is part of ELF support for BFD, and contains the portions
+   that describe how ELF is represented externally by the BFD library.
+   I.E. it describes the in-file representation of ELF.  It requires
+   the elf-common.h file which contains the portions that are common to
+   both the internal and external representations. */
+   
+/* The 64-bit stuff is kind of random.  Perhaps someone will publish a
+   spec someday.  */
+
+#ifndef _ELF_EXTERNAL_H
+#define _ELF_EXTERNAL_H
+
+/* ELF Header (32-bit implementations) */
+
+typedef struct {
+  unsigned char	e_ident[16];		/* ELF "magic number" */
+  unsigned char	e_type[2];		/* Identifies object file type */
+  unsigned char	e_machine[2];		/* Specifies required architecture */
+  unsigned char	e_version[4];		/* Identifies object file version */
+  unsigned char	e_entry[4];		/* Entry point virtual address */
+  unsigned char	e_phoff[4];		/* Program header table file offset */
+  unsigned char	e_shoff[4];		/* Section header table file offset */
+  unsigned char	e_flags[4];		/* Processor-specific flags */
+  unsigned char	e_ehsize[2];		/* ELF header size in bytes */
+  unsigned char	e_phentsize[2];		/* Program header table entry size */
+  unsigned char	e_phnum[2];		/* Program header table entry count */
+  unsigned char	e_shentsize[2];		/* Section header table entry size */
+  unsigned char	e_shnum[2];		/* Section header table entry count */
+  unsigned char	e_shstrndx[2];		/* Section header string table index */
+} Elf32_External_Ehdr;
+
+typedef struct {
+  unsigned char	e_ident[16];		/* ELF "magic number" */
+  unsigned char	e_type[2];		/* Identifies object file type */
+  unsigned char	e_machine[2];		/* Specifies required architecture */
+  unsigned char	e_version[4];		/* Identifies object file version */
+  unsigned char	e_entry[8];		/* Entry point virtual address */
+  unsigned char	e_phoff[8];		/* Program header table file offset */
+  unsigned char	e_shoff[8];		/* Section header table file offset */
+  unsigned char	e_flags[4];		/* Processor-specific flags */
+  unsigned char	e_ehsize[2];		/* ELF header size in bytes */
+  unsigned char	e_phentsize[2];		/* Program header table entry size */
+  unsigned char	e_phnum[2];		/* Program header table entry count */
+  unsigned char	e_shentsize[2];		/* Section header table entry size */
+  unsigned char	e_shnum[2];		/* Section header table entry count */
+  unsigned char	e_shstrndx[2];		/* Section header string table index */
+} Elf64_External_Ehdr;
+
+/* Program header */
+
+typedef struct {
+  unsigned char	p_type[4];		/* Identifies program segment type */
+  unsigned char	p_offset[4];		/* Segment file offset */
+  unsigned char	p_vaddr[4];		/* Segment virtual address */
+  unsigned char	p_paddr[4];		/* Segment physical address */
+  unsigned char	p_filesz[4];		/* Segment size in file */
+  unsigned char	p_memsz[4];		/* Segment size in memory */
+  unsigned char	p_flags[4];		/* Segment flags */
+  unsigned char	p_align[4];		/* Segment alignment, file & memory */
+} Elf32_External_Phdr;
+
+typedef struct {
+  unsigned char	p_type[4];		/* Identifies program segment type */
+  unsigned char	p_flags[4];		/* Segment flags */
+  unsigned char	p_offset[8];		/* Segment file offset */
+  unsigned char	p_vaddr[8];		/* Segment virtual address */
+  unsigned char	p_paddr[8];		/* Segment physical address */
+  unsigned char	p_filesz[8];		/* Segment size in file */
+  unsigned char	p_memsz[8];		/* Segment size in memory */
+  unsigned char	p_align[8];		/* Segment alignment, file & memory */
+} Elf64_External_Phdr;
+
+/* Section header */
+
+typedef struct {
+  unsigned char	sh_name[4];		/* Section name, index in string tbl */
+  unsigned char	sh_type[4];		/* Type of section */
+  unsigned char	sh_flags[4];		/* Miscellaneous section attributes */
+  unsigned char	sh_addr[4];		/* Section virtual addr at execution */
+  unsigned char	sh_offset[4];		/* Section file offset */
+  unsigned char	sh_size[4];		/* Size of section in bytes */
+  unsigned char	sh_link[4];		/* Index of another section */
+  unsigned char	sh_info[4];		/* Additional section information */
+  unsigned char	sh_addralign[4];	/* Section alignment */
+  unsigned char	sh_entsize[4];		/* Entry size if section holds table */
+} Elf32_External_Shdr;
+
+typedef struct {
+  unsigned char	sh_name[4];		/* Section name, index in string tbl */
+  unsigned char	sh_type[4];		/* Type of section */
+  unsigned char	sh_flags[8];		/* Miscellaneous section attributes */
+  unsigned char	sh_addr[8];		/* Section virtual addr at execution */
+  unsigned char	sh_offset[8];		/* Section file offset */
+  unsigned char	sh_size[8];		/* Size of section in bytes */
+  unsigned char	sh_link[4];		/* Index of another section */
+  unsigned char	sh_info[4];		/* Additional section information */
+  unsigned char	sh_addralign[8];	/* Section alignment */
+  unsigned char	sh_entsize[8];		/* Entry size if section holds table */
+} Elf64_External_Shdr;
+
+/* Symbol table entry */
+
+typedef struct {
+  unsigned char	st_name[4];		/* Symbol name, index in string tbl */
+  unsigned char	st_value[4];		/* Value of the symbol */
+  unsigned char	st_size[4];		/* Associated symbol size */
+  unsigned char	st_info[1];		/* Type and binding attributes */
+  unsigned char	st_other[1];		/* No defined meaning, 0 */
+  unsigned char	st_shndx[2];		/* Associated section index */
+} Elf32_External_Sym;
+
+typedef struct {
+  unsigned char	st_name[4];		/* Symbol name, index in string tbl */
+  unsigned char	st_info[1];		/* Type and binding attributes */
+  unsigned char	st_other[1];		/* No defined meaning, 0 */
+  unsigned char	st_shndx[2];		/* Associated section index */
+  unsigned char	st_value[8];		/* Value of the symbol */
+  unsigned char	st_size[8];		/* Associated symbol size */
+} Elf64_External_Sym;
+
+/* Note segments */
+
+typedef struct {
+  unsigned char	namesz[4];		/* Size of entry's owner string */
+  unsigned char	descsz[4];		/* Size of the note descriptor */
+  unsigned char	type[4];		/* Interpretation of the descriptor */
+  char		name[1];		/* Start of the name+desc data */
+} Elf_External_Note;
+
+/* Relocation Entries */
+typedef struct {
+  unsigned char r_offset[4];	/* Location at which to apply the action */
+  unsigned char	r_info[4];	/* index and type of relocation */
+} Elf32_External_Rel;
+
+typedef struct {
+  unsigned char r_offset[4];	/* Location at which to apply the action */
+  unsigned char	r_info[4];	/* index and type of relocation */
+  unsigned char	r_addend[4];	/* Constant addend used to compute value */
+} Elf32_External_Rela;
+
+typedef struct {
+  unsigned char r_offset[8];	/* Location at which to apply the action */
+  unsigned char	r_info[8];	/* index and type of relocation */
+} Elf64_External_Rel;
+
+typedef struct {
+  unsigned char r_offset[8];	/* Location at which to apply the action */
+  unsigned char	r_info[8];	/* index and type of relocation */
+  unsigned char	r_addend[8];	/* Constant addend used to compute value */
+} Elf64_External_Rela;
+
+/* dynamic section structure */
+
+typedef struct {
+  unsigned char	d_tag[4];		/* entry tag value */
+  union {
+    unsigned char	d_val[4];
+    unsigned char	d_ptr[4];
+  } d_un;
+} Elf32_External_Dyn;
+
+typedef struct {
+  unsigned char	d_tag[8];		/* entry tag value */
+  union {
+    unsigned char	d_val[8];
+    unsigned char	d_ptr[8];
+  } d_un;
+} Elf64_External_Dyn;
+
+/* This structure appears in a SHT_GNU_verdef section.  */
+
+typedef struct {
+  unsigned char		vd_version[2];
+  unsigned char		vd_flags[2];
+  unsigned char		vd_ndx[2];
+  unsigned char		vd_cnt[2];
+  unsigned char		vd_hash[4];
+  unsigned char		vd_aux[4];
+  unsigned char		vd_next[4];
+} Elf32_External_Verdef;
+
+typedef Elf32_External_Verdef Elf64_External_Verdef;
+
+/* This structure appears in a SHT_GNU_verdef section.  */
+
+typedef struct {
+  unsigned char		vda_name[4];
+  unsigned char		vda_next[4];
+} Elf32_External_Verdaux;
+
+typedef Elf32_External_Verdaux Elf64_External_Verdaux;
+ 
+/* This structure appears in a SHT_GNU_verneed section.  */
+
+typedef struct {
+  unsigned char		vn_version[2];
+  unsigned char		vn_cnt[2];
+  unsigned char		vn_file[4];
+  unsigned char		vn_aux[4];
+  unsigned char		vn_next[4];
+} Elf32_External_Verneed;
+
+typedef Elf32_External_Verneed Elf64_External_Verneed;
+
+/* This structure appears in a SHT_GNU_verneed section.  */
+
+typedef struct {
+  unsigned char		vna_hash[4];
+  unsigned char		vna_flags[2];
+  unsigned char		vna_other[2];
+  unsigned char		vna_name[4];
+  unsigned char		vna_next[4];
+} Elf32_External_Vernaux;
+
+typedef Elf32_External_Vernaux Elf64_External_Vernaux;
+
+/* This structure appears in a SHT_GNU_versym section.  This is not a
+   standard ELF structure; ELF just uses Elf32_Half.  */
+
+typedef struct {
+  unsigned char		vs_vers[2];
+} Elf32_External_Versym;
+
+typedef Elf32_External_Versym Elf64_External_Versym;
+
+#endif /* _ELF_EXTERNAL_H */