bionic/libc/include/elf.h
Dmitriy Ivanov 2a81536144 Support symbol versioning
Bug: http://b/20139821
Change-Id: I64122a0fb0960c20b2ce614161b7ab048456b681
2015-04-16 17:57:30 -07:00

204 lines
5.4 KiB
C

/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
* COPYRIGHT OWNER 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.
*/
#ifndef _ELF_H
#define _ELF_H
#include <linux/auxvec.h>
#include <linux/elf.h>
#include <linux/elf-em.h>
#include <machine/elf_machdep.h>
typedef struct {
__u32 a_type;
union {
__u32 a_val;
} a_un;
} Elf32_auxv_t;
typedef struct {
__u64 a_type;
union {
__u64 a_val;
} a_un;
} Elf64_auxv_t;
typedef Elf32_Half Elf32_Versym;
typedef Elf64_Half Elf64_Versym;
typedef struct {
Elf32_Half vd_version;
Elf32_Half vd_flags;
Elf32_Half vd_ndx;
Elf32_Half vd_cnt;
Elf32_Word vd_hash;
Elf32_Word vd_aux;
Elf32_Word vd_next;
} Elf32_Verdef;
typedef struct {
Elf32_Word vda_name;
Elf32_Word vda_next;
} Elf32_Verdaux;
typedef struct {
Elf64_Half vd_version;
Elf64_Half vd_flags;
Elf64_Half vd_ndx;
Elf64_Half vd_cnt;
Elf64_Word vd_hash;
Elf64_Word vd_aux;
Elf64_Word vd_next;
} Elf64_Verdef;
typedef struct {
Elf64_Word vda_name;
Elf64_Word vda_next;
} Elf64_Verdaux;
typedef struct {
Elf32_Half vn_version;
Elf32_Half vn_cnt;
Elf32_Word vn_file;
Elf32_Word vn_aux;
Elf32_Word vn_next;
} Elf32_Verneed;
typedef struct {
Elf32_Word vna_hash;
Elf32_Half vna_flags;
Elf32_Half vna_other;
Elf32_Word vna_name;
Elf32_Word vna_next;
} Elf32_Vernaux;
typedef struct {
Elf64_Half vn_version;
Elf64_Half vn_cnt;
Elf64_Word vn_file;
Elf64_Word vn_aux;
Elf64_Word vn_next;
} Elf64_Verneed;
typedef struct {
Elf64_Word vna_hash;
Elf64_Half vna_flags;
Elf64_Half vna_other;
Elf64_Word vna_name;
Elf64_Word vna_next;
} Elf64_Vernaux;
#define DF_ORIGIN 0x00000001
#define DF_SYMBOLIC 0x00000002
#define DF_TEXTREL 0x00000004
#define DF_BIND_NOW 0x00000008
#define DF_STATIC_TLS 0x00000010
#define DF_1_NOW 0x00000001 /* Perform complete relocation processing. */
#define DF_1_GLOBAL 0x00000002 /* implies RTLD_GLOBAL */
#define DF_1_GROUP 0x00000004
#define DF_1_NODELETE 0x00000008 /* implies RTLD_NODELETE */
#define DF_1_LOADFLTR 0x00000010
#define DF_1_INITFIRST 0x00000020
#define DF_1_NOOPEN 0x00000040 /* Object can not be used with dlopen(3) */
#define DF_1_ORIGIN 0x00000080
#define DF_1_DIRECT 0x00000100
#define DF_1_TRANS 0x00000200
#define DF_1_INTERPOSE 0x00000400
#define DF_1_NODEFLIB 0x00000800
#define DF_1_NODUMP 0x00001000 /* Object cannot be dumped with dldump(3) */
#define DF_1_CONFALT 0x00002000
#define DF_1_ENDFILTEE 0x00004000
#define DF_1_DISPRELDNE 0x00008000
#define DF_1_DISPRELPND 0x00010000
#define DF_1_NODIRECT 0x00020000
#define DF_1_IGNMULDEF 0x00040000 /* Internal use */
#define DF_1_NOKSYMS 0x00080000 /* Internal use */
#define DF_1_NOHDR 0x00100000 /* Internal use */
#define DF_1_EDITED 0x00200000
#define DF_1_NORELOC 0x00400000 /* Internal use */
#define DF_1_SYMINTPOSE 0x00800000
#define DF_1_GLOBAUDIT 0x01000000
#define DF_1_SINGLETON 0x02000000
#define DF_1_STUB 0x04000000
#define DF_1_PIE 0x08000000
#define DT_BIND_NOW 24
#define DT_INIT_ARRAY 25
#define DT_FINI_ARRAY 26
#define DT_INIT_ARRAYSZ 27
#define DT_FINI_ARRAYSZ 28
#define DT_RUNPATH 29
#define DT_FLAGS 30
/* glibc and BSD disagree for DT_ENCODING; glibc looks wrong. */
#define DT_PREINIT_ARRAY 32
#define DT_PREINIT_ARRAYSZ 33
/* Android compressed rel/rela sections */
#define DT_ANDROID_REL (DT_LOOS + 2)
#define DT_ANDROID_RELSZ (DT_LOOS + 3)
#define DT_ANDROID_RELA (DT_LOOS + 4)
#define DT_ANDROID_RELASZ (DT_LOOS + 5)
/* gnu hash entry */
#define DT_GNU_HASH 0x6ffffef5
#define ELFOSABI_SYSV 0 /* Synonym for ELFOSABI_NONE used by valgrind. */
#define PT_GNU_RELRO 0x6474e552
#define STB_LOOS 10
#define STB_HIOS 12
#define STB_LOPROC 13
#define STB_HIPROC 15
#define SHT_LOOS 0x60000000
#define SHT_HIOS 0x6fffffff
#define STT_GNU_IFUNC 10
#define STT_LOOS 10
#define STT_HIOS 12
#define STT_LOPROC 13
#define STT_HIPROC 15
/* The kernel uses NT_PRFPREG but glibc also offers NT_FPREGSET */
#define NT_FPREGSET NT_PRFPREG
#define ELF_NOTE_GNU "GNU"
#define NT_GNU_BUILD_ID 3
#define VER_FLG_BASE 0x1
#define VER_FLG_WEAK 0x2
#define VER_NDX_LOCAL 0
#define VER_NDX_GLOBAL 1
#endif /* _ELF_H */