Fill out the ELF header files to make them more or less complete.
Fix a macro name that was misspelled both in brandelf.c and imgact_elf.h.
This commit is contained in:
John Polstra
parent
9e86cdb740
commit
5851a3655a
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=25984
@ -1,5 +1,5 @@
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# From: @(#)Makefile 8.2 (Berkeley) 1/4/94
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# $Id: Makefile,v 1.54 1997/05/10 12:50:03 davidn Exp $
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# $Id: Makefile,v 1.55 1997/05/12 09:50:19 peter Exp $
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#
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# Doing a make install builds /usr/include
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#
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@ -11,7 +11,7 @@ depend lint tags:
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CLEANFILES= osreldate.h version vers.c
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SUBDIR= rpcsvc
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FILES= a.out.h ar.h assert.h bitstring.h ctype.h db.h dirent.h disktab.h \
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err.h fnmatch.h fstab.h fts.h glob.h grp.h strhash.h histedit.h \
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elf.h err.h fnmatch.h fstab.h fts.h glob.h grp.h strhash.h histedit.h \
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kvm.h limits.h link.h locale.h malloc.h memory.h mpool.h \
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ndbm.h netdb.h nl_types.h nlist.h paths.h pthread.h pthread_np.h pwd.h \
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ranlib.h regex.h regexp.h resolv.h rune.h runetype.h setjmp.h sgtty.h \
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35
include/elf-hints.h
Normal file
35
include/elf-hints.h
Normal file
@ -0,0 +1,35 @@
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/*-
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* Copyright (c) 1997 John D. Polstra.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
|
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* modification, are permitted provided that the following conditions
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||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id$
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*/
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#ifndef _ELF_H_
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#define _ELF_H_
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#include <sys/types.h>
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#include <machine/elf.h>
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#endif /* !_ELF_H_ */
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35
include/elf.h
Normal file
35
include/elf.h
Normal file
@ -0,0 +1,35 @@
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/*-
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* Copyright (c) 1997 John D. Polstra.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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||||
* are met:
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* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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||||
* notice, this list of conditions and the following disclaimer in the
|
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id$
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*/
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#ifndef _ELF_H_
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#define _ELF_H_
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#include <sys/types.h>
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#include <machine/elf.h>
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#endif /* !_ELF_H_ */
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106
sys/amd64/include/elf.h
Normal file
106
sys/amd64/include/elf.h
Normal file
@ -0,0 +1,106 @@
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/*-
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* Copyright (c) 1996-1997 John D. Polstra.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
|
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* modification, are permitted provided that the following conditions
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||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
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||||
*
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||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id$
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*/
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#ifndef _MACHINE_ELF_H_
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#define _MACHINE_ELF_H_ 1
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/*
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* ELF definitions for the i386 architecture.
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*/
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#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
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/*
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* Auxiliary vector entries for passing information to the interpreter.
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*
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* The i386 supplement to the SVR4 ABI specification names this "auxv_t",
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* but POSIX lays claim to all symbols ending with "_t".
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*/
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typedef struct { /* Auxiliary vector entry on initial stack */
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int a_type; /* Entry type. */
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union {
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long a_val; /* Integer value. */
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void *a_ptr; /* Address. */
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void (*a_fcn)(void); /* Function pointer (not used). */
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} a_un;
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} Elf32_Auxinfo;
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/* Values for a_type. */
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#define AT_NULL 0 /* Terminates the vector. */
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#define AT_IGNORE 1 /* Ignored entry. */
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#define AT_EXECFD 2 /* File descriptor of program to load. */
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#define AT_PHDR 3 /* Program header of program already loaded. */
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#define AT_PHENT 4 /* Size of each program header entry. */
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#define AT_PHNUM 5 /* Number of program header entries. */
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#define AT_PAGESZ 6 /* Page size in bytes. */
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#define AT_BASE 7 /* Interpreter's base address. */
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#define AT_FLAGS 8 /* Flags (unused for i386). */
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#define AT_ENTRY 9 /* Where interpreter should transfer control. */
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/*
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* The following non-standard values are used for passing information
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* from John Polstra's testbed program to the dynamic linker. These
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* are expected to go away soon.
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*
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* Unfortunately, these overlap the Linux non-standard values, so they
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* must not be used in the same context.
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*/
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#define AT_BRK 10 /* Starting point for sbrk and brk. */
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#define AT_DEBUG 11 /* Debugging level. */
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/*
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* The following non-standard values are used in Linux ELF binaries.
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*/
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#define AT_NOTELF 10 /* Program is not ELF ?? */
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#define AT_UID 11 /* Real uid. */
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#define AT_EUID 12 /* Effective uid. */
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#define AT_GID 13 /* Real gid. */
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#define AT_EGID 14 /* Effective gid. */
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#define AT_COUNT 15 /* Count of defined aux entry types. */
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/*
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* Relocation types.
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*/
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#define R_386_NONE 0 /* No relocation. */
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#define R_386_32 1 /* Add symbol value. */
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#define R_386_PC32 2 /* Add PC-relative symbol value. */
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#define R_386_GOT32 3 /* Add PC-relative GOT offset. */
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#define R_386_PLT32 4 /* Add PC-relative PLT offset. */
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#define R_386_COPY 5 /* Copy data from shared object. */
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#define R_386_GLOB_DAT 6 /* Set GOT entry to data address. */
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#define R_386_JMP_SLOT 7 /* Set GOT entry to code address. */
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#define R_386_RELATIVE 8 /* Add load address of shared object. */
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#define R_386_GOTOFF 9 /* Add GOT-relative symbol address. */
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#define R_386_GOTPC 10 /* Add PC-relative GOT table address. */
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#define R_386_COUNT 11 /* Count of defined relocation types. */
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#endif /* !_MACHINE_ELF_H_ */
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106
sys/i386/include/elf.h
Normal file
106
sys/i386/include/elf.h
Normal file
@ -0,0 +1,106 @@
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/*-
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* Copyright (c) 1996-1997 John D. Polstra.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id$
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*/
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#ifndef _MACHINE_ELF_H_
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#define _MACHINE_ELF_H_ 1
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/*
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* ELF definitions for the i386 architecture.
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*/
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#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
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/*
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* Auxiliary vector entries for passing information to the interpreter.
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*
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* The i386 supplement to the SVR4 ABI specification names this "auxv_t",
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* but POSIX lays claim to all symbols ending with "_t".
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*/
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typedef struct { /* Auxiliary vector entry on initial stack */
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int a_type; /* Entry type. */
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union {
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long a_val; /* Integer value. */
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void *a_ptr; /* Address. */
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void (*a_fcn)(void); /* Function pointer (not used). */
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} a_un;
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} Elf32_Auxinfo;
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/* Values for a_type. */
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#define AT_NULL 0 /* Terminates the vector. */
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#define AT_IGNORE 1 /* Ignored entry. */
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#define AT_EXECFD 2 /* File descriptor of program to load. */
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#define AT_PHDR 3 /* Program header of program already loaded. */
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#define AT_PHENT 4 /* Size of each program header entry. */
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#define AT_PHNUM 5 /* Number of program header entries. */
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#define AT_PAGESZ 6 /* Page size in bytes. */
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#define AT_BASE 7 /* Interpreter's base address. */
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#define AT_FLAGS 8 /* Flags (unused for i386). */
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#define AT_ENTRY 9 /* Where interpreter should transfer control. */
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/*
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* The following non-standard values are used for passing information
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* from John Polstra's testbed program to the dynamic linker. These
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* are expected to go away soon.
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*
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* Unfortunately, these overlap the Linux non-standard values, so they
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* must not be used in the same context.
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*/
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#define AT_BRK 10 /* Starting point for sbrk and brk. */
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#define AT_DEBUG 11 /* Debugging level. */
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/*
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* The following non-standard values are used in Linux ELF binaries.
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*/
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#define AT_NOTELF 10 /* Program is not ELF ?? */
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#define AT_UID 11 /* Real uid. */
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#define AT_EUID 12 /* Effective uid. */
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#define AT_GID 13 /* Real gid. */
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#define AT_EGID 14 /* Effective gid. */
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#define AT_COUNT 15 /* Count of defined aux entry types. */
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/*
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* Relocation types.
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*/
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#define R_386_NONE 0 /* No relocation. */
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#define R_386_32 1 /* Add symbol value. */
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#define R_386_PC32 2 /* Add PC-relative symbol value. */
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#define R_386_GOT32 3 /* Add PC-relative GOT offset. */
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#define R_386_PLT32 4 /* Add PC-relative PLT offset. */
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#define R_386_COPY 5 /* Copy data from shared object. */
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#define R_386_GLOB_DAT 6 /* Set GOT entry to data address. */
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#define R_386_JMP_SLOT 7 /* Set GOT entry to code address. */
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#define R_386_RELATIVE 8 /* Add load address of shared object. */
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#define R_386_GOTOFF 9 /* Add GOT-relative symbol address. */
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#define R_386_GOTPC 10 /* Add PC-relative GOT table address. */
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#define R_386_COUNT 11 /* Count of defined relocation types. */
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#endif /* !_MACHINE_ELF_H_ */
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268
sys/sys/elf32.h
Normal file
268
sys/sys/elf32.h
Normal file
@ -0,0 +1,268 @@
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/*-
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* Copyright (c) 1996-1997 John D. Polstra.
|
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* All rights reserved.
|
||||
*
|
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
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* $Id$
|
||||
*/
|
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#ifndef _SYS_ELF32_H_
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#define _SYS_ELF32_H_ 1
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/*
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* ELF definitions common to all 32-bit architectures.
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*/
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typedef u_int32_t Elf32_Addr;
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typedef u_int16_t Elf32_Half;
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typedef u_int32_t Elf32_Off;
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typedef int32_t Elf32_Sword;
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typedef u_int32_t Elf32_Word;
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/*
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* ELF header.
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*/
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#define EI_NIDENT 16 /* Size of e_ident array. */
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typedef struct {
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unsigned char e_ident[EI_NIDENT]; /* File identification. */
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Elf32_Half e_type; /* File type. */
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Elf32_Half e_machine; /* Machine architecture. */
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Elf32_Word e_version; /* ELF format version. */
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Elf32_Addr e_entry; /* Entry point. */
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Elf32_Off e_phoff; /* Program header file offset. */
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Elf32_Off e_shoff; /* Section header file offset. */
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Elf32_Word e_flags; /* Architecture-specific flags. */
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Elf32_Half e_ehsize; /* Size of ELF header in bytes. */
|
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Elf32_Half e_phentsize; /* Size of program header entry. */
|
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Elf32_Half e_phnum; /* Number of program header entries. */
|
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Elf32_Half e_shentsize; /* Size of section header entry. */
|
||||
Elf32_Half e_shnum; /* Number of section header entries. */
|
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Elf32_Half e_shstrndx; /* Section name strings section. */
|
||||
} Elf32_Ehdr;
|
||||
|
||||
/* Indexes into the e_ident array. */
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||||
#define EI_MAG0 0 /* Magic number, byte 0. */
|
||||
#define EI_MAG1 1 /* Magic number, byte 1. */
|
||||
#define EI_MAG2 2 /* Magic number, byte 2. */
|
||||
#define EI_MAG3 3 /* Magic number, byte 3. */
|
||||
#define EI_CLASS 4 /* Class of machine. */
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#define EI_DATA 5 /* Data format. */
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#define EI_VERSION 6 /* ELF format version. */
|
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#define EI_PAD 7 /* Start of padding (per SVR4 ABI). */
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||||
#define EI_BRAND 8 /* Start of architecture identification. */
|
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/* Values for the magic number bytes. */
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#define ELFMAG0 0x7f
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#define ELFMAG1 'E'
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#define ELFMAG2 'L'
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#define ELFMAG3 'F'
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/* Values for e_ident[EI_VERSION] and e_version. */
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#define EV_NONE 0
|
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#define EV_CURRENT 1
|
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/* Values for e_ident[EI_CLASS]. */
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#define ELFCLASSNONE 0 /* Unknown class. */
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||||
#define ELFCLASS32 1 /* 32-bit architecture. */
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#define ELFCLASS64 2 /* 64-bit architecture. */
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/* Values for e_ident[EI_DATA]. */
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#define ELFDATANONE 0 /* Unknown data format. */
|
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#define ELFDATA2LSB 1 /* 2's complement little-endian. */
|
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#define ELFDATA2MSB 2 /* 2's complement big-endian. */
|
||||
|
||||
/* Values for e_type. */
|
||||
#define ET_NONE 0 /* Unknown type. */
|
||||
#define ET_REL 1 /* Relocatable. */
|
||||
#define ET_EXEC 2 /* Executable. */
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||||
#define ET_DYN 3 /* Shared object. */
|
||||
#define ET_CORE 4 /* Core file. */
|
||||
|
||||
/* Values for e_machine. */
|
||||
#define EM_NONE 0 /* Unknown machine. */
|
||||
#define EM_M32 1 /* AT&T WE32100. */
|
||||
#define EM_SPARC 2 /* Sun SPARC. */
|
||||
#define EM_386 3 /* Intel i386. */
|
||||
#define EM_68K 4 /* Motorola 68000. */
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#define EM_88K 5 /* Motorola 88000. */
|
||||
#define EM_486 6 /* Intel i486. */
|
||||
#define EM_860 7 /* Intel i860. */
|
||||
|
||||
/*
|
||||
* Section header.
|
||||
*/
|
||||
|
||||
typedef struct {
|
||||
Elf32_Word sh_name; /* Section name (index into the
|
||||
section header string table). */
|
||||
Elf32_Word sh_type; /* Section type. */
|
||||
Elf32_Word sh_flags; /* Section flags. */
|
||||
Elf32_Addr sh_addr; /* Address in memory image. */
|
||||
Elf32_Off sh_offset; /* Offset in file. */
|
||||
Elf32_Word sh_size; /* Size in bytes. */
|
||||
Elf32_Word sh_link; /* Index of a related section. */
|
||||
Elf32_Word sh_info; /* Depends on section type. */
|
||||
Elf32_Word sh_addralign; /* Alignment in bytes. */
|
||||
Elf32_Word sh_entsize; /* Size of each entry in section. */
|
||||
} Elf32_Shdr;
|
||||
|
||||
/* Special section indexes. */
|
||||
#define SHN_UNDEF 0 /* Undefined, missing, irrelevant. */
|
||||
#define SHN_LORESERVE 0xff00 /* First of reserved range. */
|
||||
#define SHN_LOPROC 0xff00 /* First processor-specific. */
|
||||
#define SHN_HIPROC 0xff1f /* Last processor-specific. */
|
||||
#define SHN_ABS 0xfff1 /* Absolute values. */
|
||||
#define SHN_COMMON 0xfff2 /* Common data. */
|
||||
#define SHN_HIRESERVE 0xffff /* Last of reserved range. */
|
||||
|
||||
/*
|
||||
* Program header.
|
||||
*/
|
||||
|
||||
typedef struct {
|
||||
Elf32_Word p_type; /* Entry type. */
|
||||
Elf32_Off p_offset; /* File offset of contents. */
|
||||
Elf32_Addr p_vaddr; /* Virtual address in memory image. */
|
||||
Elf32_Addr p_paddr; /* Physical address (not used). */
|
||||
Elf32_Word p_filesz; /* Size of contents in file. */
|
||||
Elf32_Word p_memsz; /* Size of contents in memory. */
|
||||
Elf32_Word p_flags; /* Access permission flags. */
|
||||
Elf32_Word p_align; /* Alignment in memory and file. */
|
||||
} Elf32_Phdr;
|
||||
|
||||
/* Values for p_type. */
|
||||
#define PT_NULL 0 /* Unused entry. */
|
||||
#define PT_LOAD 1 /* Loadable segment. */
|
||||
#define PT_DYNAMIC 2 /* Dynamic linking information segment. */
|
||||
#define PT_INTERP 3 /* Pathname of interpreter. */
|
||||
#define PT_NOTE 4 /* Auxiliary information. */
|
||||
#define PT_SHLIB 5 /* Reserved (not used). */
|
||||
#define PT_PHDR 6 /* Location of program header itself. */
|
||||
|
||||
#define PT_COUNT 7 /* Number of defined p_type values. */
|
||||
|
||||
/* Values for p_flags. */
|
||||
#define PF_X 0x1 /* Executable. */
|
||||
#define PF_W 0x2 /* Writable. */
|
||||
#define PF_R 0x4 /* Readable. */
|
||||
|
||||
/*
|
||||
* Dynamic structure. The ".dynamic" section contains an array of them.
|
||||
*/
|
||||
|
||||
typedef struct {
|
||||
Elf32_Sword d_tag; /* Entry type. */
|
||||
union {
|
||||
Elf32_Word d_val; /* Integer value. */
|
||||
Elf32_Addr d_ptr; /* Address value. */
|
||||
} d_un;
|
||||
} Elf32_Dyn;
|
||||
|
||||
/* Values for d_tag. */
|
||||
#define DT_NULL 0 /* Terminating entry. */
|
||||
#define DT_NEEDED 1 /* String table offset of a needed shared
|
||||
library. */
|
||||
#define DT_PLTRELSZ 2 /* Total size in bytes of PLT relocations. */
|
||||
#define DT_PLTGOT 3 /* Processor-dependent address. */
|
||||
#define DT_HASH 4 /* Address of symbol hash table. */
|
||||
#define DT_STRTAB 5 /* Address of string table. */
|
||||
#define DT_SYMTAB 6 /* Address of symbol table. */
|
||||
#define DT_RELA 7 /* Address of Elf32_Rela relocations. */
|
||||
#define DT_RELASZ 8 /* Total size of Elf32_Rela relocations. */
|
||||
#define DT_RELAENT 9 /* Size of each Elf32_Rela relocation entry. */
|
||||
#define DT_STRSZ 10 /* Size of string table. */
|
||||
#define DT_SYMENT 11 /* Size of each symbol table entry. */
|
||||
#define DT_INIT 12 /* Address of initialization function. */
|
||||
#define DT_FINI 13 /* Address of finalization function. */
|
||||
#define DT_SONAME 14 /* String table offset of shared object
|
||||
name. */
|
||||
#define DT_RPATH 15 /* String table offset of library path. */
|
||||
#define DT_SYMBOLIC 16 /* Indicates "symbolic" linking. */
|
||||
#define DT_REL 17 /* Address of Elf32_Rel relocations. */
|
||||
#define DT_RELSZ 18 /* Total size of Elf32_Rel relocations. */
|
||||
#define DT_RELENT 19 /* Size of each Elf32_Rel relocation. */
|
||||
#define DT_PLTREL 20 /* Type of relocation used for PLT. */
|
||||
#define DT_DEBUG 21 /* Reserved (not used). */
|
||||
#define DT_TEXTREL 22 /* Indicates there may be relocations in
|
||||
non-writable segments. */
|
||||
#define DT_JMPREL 23 /* Address of PLT relocations. */
|
||||
|
||||
#define DT_COUNT 24 /* Number of defined d_tag values. */
|
||||
|
||||
/*
|
||||
* Relocation entries.
|
||||
*/
|
||||
|
||||
/* Relocations that don't need an addend field. */
|
||||
typedef struct {
|
||||
Elf32_Addr r_offset; /* Location to be relocated. */
|
||||
Elf32_Word r_info; /* Relocation type and symbol index. */
|
||||
} Elf32_Rel;
|
||||
|
||||
/* Relocations that need an addend field. */
|
||||
typedef struct {
|
||||
Elf32_Addr r_offset; /* Location to be relocated. */
|
||||
Elf32_Word r_info; /* Relocation type and symbol index. */
|
||||
Elf32_Sword r_addend; /* Addend. */
|
||||
} Elf32_Rela;
|
||||
|
||||
/* Macros for accessing the fields of r_info. */
|
||||
#define ELF32_R_SYM(info) ((info) >> 8)
|
||||
#define ELF32_R_TYPE(info) ((unsigned char)(info))
|
||||
|
||||
/* Macro for constructing r_info from field values. */
|
||||
#define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))
|
||||
|
||||
/*
|
||||
* Symbol table entries.
|
||||
*/
|
||||
|
||||
typedef struct {
|
||||
Elf32_Word st_name; /* String table index of name. */
|
||||
Elf32_Addr st_value; /* Symbol value. */
|
||||
Elf32_Word st_size; /* Size of associated object. */
|
||||
unsigned char st_info; /* Type and binding information. */
|
||||
unsigned char st_other; /* Reserved (not used). */
|
||||
Elf32_Half st_shndx; /* Section index of symbol. */
|
||||
} Elf32_Sym;
|
||||
|
||||
/* Macros for accessing the fields of st_info. */
|
||||
#define ELF32_ST_BIND(info) ((info) >> 4)
|
||||
#define ELF32_ST_TYPE(info) ((info) & 0xf)
|
||||
|
||||
/* Macro for constructing st_info from field values. */
|
||||
#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
|
||||
|
||||
/* Symbol types. */
|
||||
#define STT_NOTYPE 0 /* Unspecified type. */
|
||||
#define STT_OBJECT 1 /* Data object. */
|
||||
#define STT_FUNC 2 /* Function. */
|
||||
#define STT_SECTION 3 /* Section. */
|
||||
#define STT_FILE 4 /* Source file. */
|
||||
|
||||
/* Special symbol table indexes. */
|
||||
#define STN_UNDEF 0 /* Undefined symbol index. */
|
||||
|
||||
#endif /* !_SYS_ELF32_H_ */
|
||||
@ -25,166 +25,20 @@
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* $Id$
|
||||
* $Id: imgact_elf.h,v 1.4 1997/02/22 09:45:19 peter Exp $
|
||||
*/
|
||||
|
||||
#ifndef _IMGACT_ELF_H_
|
||||
#define _IMGACT_ELF_H_
|
||||
#ifndef _SYS_IMGACT_ELF_H_
|
||||
#define _SYS_IMGACT_ELF_H_
|
||||
|
||||
#include <machine/elf.h>
|
||||
|
||||
#ifdef KERNEL
|
||||
|
||||
typedef u_int32_t Elf32_Addr;
|
||||
typedef u_int32_t Elf32_Off;
|
||||
typedef int32_t Elf32_Sword;
|
||||
typedef u_int32_t Elf32_Word;
|
||||
typedef u_int16_t Elf32_Half;
|
||||
|
||||
extern int elf_trace;
|
||||
|
||||
#define EI_NINDENT 16
|
||||
typedef struct {
|
||||
unsigned char e_ident[EI_NINDENT]; /* file id */
|
||||
Elf32_Half e_type; /* type */
|
||||
Elf32_Half e_machine; /* machine type */
|
||||
Elf32_Word e_version; /* version number */
|
||||
Elf32_Addr e_entry; /* entry point */
|
||||
Elf32_Off e_phoff; /* program hdr offset */
|
||||
Elf32_Off e_shoff; /* section hdr offset */
|
||||
Elf32_Word e_flags; /* flags */
|
||||
Elf32_Half e_ehsize; /* sizeof ehdr */
|
||||
Elf32_Half e_phentsize; /* program header entry size */
|
||||
Elf32_Half e_phnum; /* number of program headers */
|
||||
Elf32_Half e_shentsize; /* section header entry size */
|
||||
Elf32_Half e_shnum; /* number of section headers */
|
||||
Elf32_Half e_shstrndx; /* string table index */
|
||||
} Elf32_Ehdr;
|
||||
|
||||
/*
|
||||
* Values for e_indent entry in struct Elf32_Ehdr.
|
||||
*/
|
||||
#define EI_MAG0 0
|
||||
#define EI_MAG1 1
|
||||
#define EI_MAG2 2
|
||||
#define EI_MAG3 3
|
||||
#define EI_CLASS 4
|
||||
#define EI_DATA 5
|
||||
#define EI_VERSION 6
|
||||
#define EI_SPARE 8
|
||||
#define EI_BRAND 8
|
||||
|
||||
|
||||
#define ELFMAG0 '\177'
|
||||
#define ELFMAG1 'E'
|
||||
#define ELFMAG2 'L'
|
||||
#define ELFMAG3 'F'
|
||||
#define ELFCLASSNONE 0 /* invalid class */
|
||||
#define ELFCLASS32 1 /* 32bit object class */
|
||||
#define ELFCLASS64 2 /* 64bit object class */
|
||||
#define ELFDATANONE 0 /* invalid data encoding */
|
||||
#define ELFDATA2LSB 1 /* little endian */
|
||||
#define ELFDATA2MSB 2 /* big endian */
|
||||
|
||||
/*
|
||||
* Values for e_version entry in struct Elf32_Ehdr.
|
||||
*/
|
||||
#define EV_NONE 0 /* invalid version */
|
||||
#define EV_CURRENT 1 /* current version */
|
||||
|
||||
/*
|
||||
* Values for e_type entry in struct Elf32_Ehdr.
|
||||
*/
|
||||
#define ET_NONE 0
|
||||
#define ET_REL 1
|
||||
#define ET_EXEC 2
|
||||
#define ET_DYN 3
|
||||
#define ET_CORE 4
|
||||
#define ET_LOPROC 5
|
||||
#define ET_HIPROC 6
|
||||
|
||||
/*
|
||||
* Values for e_machine entry in struct Elf32_Ehdr.
|
||||
*/
|
||||
#define EM_NONE 0
|
||||
#define EM_M32 1
|
||||
#define EM_SPARC 2
|
||||
#define EM_386 3
|
||||
#define EM_68K 4
|
||||
#define EM_88K 5
|
||||
#define EM_486 6
|
||||
#define EM_860 7
|
||||
|
||||
|
||||
typedef struct {
|
||||
Elf32_Word p_type; /* entry type */
|
||||
Elf32_Off p_offset; /* offset */
|
||||
Elf32_Addr p_vaddr; /* virtual address */
|
||||
Elf32_Addr p_paddr; /* physical address */
|
||||
Elf32_Word p_filesz; /* file size */
|
||||
Elf32_Word p_memsz; /* memory size */
|
||||
Elf32_Word p_flags; /* flags */
|
||||
Elf32_Word p_align; /* memory & file alignment */
|
||||
} Elf32_Phdr;
|
||||
|
||||
/*
|
||||
* Values for p_type entry in struct Elf32_Phdr.
|
||||
*/
|
||||
#define PT_NULL 0
|
||||
#define PT_LOAD 1
|
||||
#define PT_DYNAMIC 2
|
||||
#define PT_INTERP 3
|
||||
#define PT_NOTE 4
|
||||
#define PT_SHLIB 5
|
||||
#define PT_PHDR 6
|
||||
#define PT_LOPROC 0x70000000
|
||||
#define PT_HIPROC 0x7fffffff
|
||||
|
||||
/*
|
||||
* Values for p_flags entry in struct Elf32_Phdr.
|
||||
*/
|
||||
#define PF_X 0x1
|
||||
#define PF_W 0x2
|
||||
#define PF_R 0x4
|
||||
#define PF_MASKPROC 0xf0000000
|
||||
|
||||
/*
|
||||
* Auxiliary vector entry on initial stack.
|
||||
*/
|
||||
typedef struct {
|
||||
Elf32_Sword a_type;
|
||||
Elf32_Word a_val;
|
||||
} Elf32_Auxinfo;
|
||||
|
||||
#define AUXARGS_ENTRY(pos, id, val) {suword(pos++, id); suword(pos++, val);}
|
||||
|
||||
/*
|
||||
* Values for a_type in struct Elf32_Auxinfo.
|
||||
*/
|
||||
#define AT_NULL 0 /* Terminates the vector */
|
||||
#define AT_IGNORE 1 /* Ignored */
|
||||
#define AT_EXECFD 2 /* File descriptor of program to load */
|
||||
#define AT_PHDR 3 /* Program header of program already loaded */
|
||||
#define AT_PHENT 4 /* Size of each program header entry */
|
||||
#define AT_PHNUM 5 /* Number of program header entries */
|
||||
#define AT_PAGESZ 6 /* Page size in bytes */
|
||||
#define AT_BASE 7 /* Interpreter's base address */
|
||||
#define AT_FLAGS 8 /* Flags (unused for i386) */
|
||||
#define AT_ENTRY 9 /* Where interpreter should transfer control */
|
||||
|
||||
/*
|
||||
* The following non-standard values are used for passing information
|
||||
* to the (FreeBSD ELF) dynamic linker. Will probably go away soon....
|
||||
*/
|
||||
#define AT_BRK 10 /* Starting point for sbrk and brk */
|
||||
#define AT_DEBUG 11 /* Debugging level */
|
||||
#define AT_COUNT 15
|
||||
|
||||
/*
|
||||
* The following non-standard values are used in Linux ELF binaries.
|
||||
*/
|
||||
#define AT_NOTELF 10 /* Program is not ELF ?? */
|
||||
#define AT_UID 11 /* Real uid */
|
||||
#define AT_EUID 12 /* Effective uid */
|
||||
#define AT_GID 13 /* Real gid */
|
||||
#define AT_EGID 14 /* Effective gid */
|
||||
|
||||
/*
|
||||
* Structure used to pass infomation from the loader to the
|
||||
* stack fixup routine.
|
||||
@ -213,4 +67,6 @@ typedef struct {
|
||||
int elf_insert_brand_entry __P((Elf32_Brandinfo *entry));
|
||||
int elf_remove_brand_entry __P((Elf32_Brandinfo *entry));
|
||||
|
||||
#endif /* _IMGACT_ELF_H_ */
|
||||
#endif /* KERNEL */
|
||||
|
||||
#endif /* !_SYS_IMGACT_ELF_H_ */
|
||||
|
||||
@ -25,15 +25,15 @@
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* $Id: brandelf.c,v 1.4 1997/02/22 19:54:15 peter Exp $
|
||||
* $Id: brandelf.c,v 1.5 1997/03/29 04:28:17 imp Exp $
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <elf.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <fcntl.h>
|
||||
#include <sys/imgact_elf.h>
|
||||
|
||||
int usage(void);
|
||||
|
||||
@ -65,8 +65,8 @@ main(int argc, char **argv)
|
||||
}
|
||||
while (argc) {
|
||||
int fd;
|
||||
char buffer[EI_NINDENT];
|
||||
char string[(EI_NINDENT-EI_SPARE)+1];
|
||||
char buffer[EI_NIDENT];
|
||||
char string[(EI_NIDENT-EI_BRAND)+1];
|
||||
|
||||
if ((fd = open(argv[0], O_RDWR, 0)) < 0) {
|
||||
fprintf(stderr, "No such file %s.\n", argv[0]);
|
||||
@ -74,7 +74,7 @@ main(int argc, char **argv)
|
||||
goto fail;
|
||||
|
||||
}
|
||||
if (read(fd, buffer, EI_NINDENT) < EI_NINDENT) {
|
||||
if (read(fd, buffer, EI_NIDENT) < EI_NIDENT) {
|
||||
fprintf(stderr, "File '%s' too short.\n", argv[0]);
|
||||
retval = 1;
|
||||
goto fail;
|
||||
@ -88,7 +88,7 @@ main(int argc, char **argv)
|
||||
}
|
||||
if (!change) {
|
||||
bzero(string, sizeof(string));
|
||||
strncpy(string, &buffer[EI_SPARE], EI_NINDENT-EI_SPARE);
|
||||
strncpy(string, &buffer[EI_BRAND], EI_NIDENT-EI_BRAND);
|
||||
if (strlen(string)) {
|
||||
fprintf(stdout, "File '%s' is of brand '%s'.\n",
|
||||
argv[0], string);
|
||||
@ -98,9 +98,9 @@ main(int argc, char **argv)
|
||||
argv[0]);
|
||||
}
|
||||
else {
|
||||
strncpy(&buffer[EI_SPARE], type, EI_NINDENT-EI_SPARE);
|
||||
strncpy(&buffer[EI_BRAND], type, EI_NIDENT-EI_BRAND);
|
||||
lseek(fd, 0, SEEK_SET);
|
||||
if (write(fd, buffer, EI_NINDENT) != EI_NINDENT) {
|
||||
if (write(fd, buffer, EI_NIDENT) != EI_NIDENT) {
|
||||
fprintf(stderr, "Error writing %s\n", argv[0]);
|
||||
retval = 1;
|
||||
goto fail;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user