diff options
author | Steve Reinhardt <stever@eecs.umich.edu> | 2007-05-26 20:15:35 -0700 |
---|---|---|
committer | Steve Reinhardt <stever@eecs.umich.edu> | 2007-05-26 20:15:35 -0700 |
commit | 6a48f6b67d41b03e04aaba8e5fbe4e20059a9b9f (patch) | |
tree | 9166eea0eea8ead9cf73c2addfb816a80c018f85 /ext/libelf/libelf.h | |
parent | 87bb4c3792d080e0be0b16b0b39957215c7dfbfa (diff) | |
parent | 4f0f217c1b6a8c888ff8a1c60d1eb36cbdf14490 (diff) | |
download | gem5-6a48f6b67d41b03e04aaba8e5fbe4e20059a9b9f.tar.xz |
Merge vm1.(none):/home/stever/bk/newmem-head
into vm1.(none):/home/stever/bk/newmem-cache2
--HG--
extra : convert_revision : f940480672861185a494f3fae1bfca13d31fed9f
Diffstat (limited to 'ext/libelf/libelf.h')
-rw-r--r-- | ext/libelf/libelf.h | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/ext/libelf/libelf.h b/ext/libelf/libelf.h new file mode 100644 index 000000000..51b9a851b --- /dev/null +++ b/ext/libelf/libelf.h @@ -0,0 +1,249 @@ +/*- + * Copyright (c) 2006 Joseph Koshy + * All rights reserved. + * + * 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. + * + * 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. + * + * $FreeBSD: src/lib/libelf/libelf.h,v 1.1 2006/11/11 17:16:33 jkoshy Exp $ + */ + +#ifndef _LIBELF_H_ +#define _LIBELF_H_ + +#include <sys/types.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#include "elf_queue.h" +#include "elf32.h" +#include "elf64.h" + +/* Library private data structures */ +typedef struct _Elf Elf; +typedef struct _Elf_Scn Elf_Scn; + +/* File types */ +typedef enum { + ELF_K_NONE = 0, + ELF_K_AR, /* `ar' archives */ + ELF_K_COFF, /* COFF files (unsupported) */ + ELF_K_ELF, /* ELF files */ + ELF_K_NUM +} Elf_Kind; + +#define ELF_K_FIRST ELF_K_NONE +#define ELF_K_LAST ELF_K_NUM + +/* Data types */ +typedef enum { + ELF_T_ADDR, + ELF_T_BYTE, + ELF_T_CAP, + ELF_T_DYN, + ELF_T_EHDR, + ELF_T_HALF, + ELF_T_LWORD, + ELF_T_MOVE, + ELF_T_MOVEP, + ELF_T_NOTE, + ELF_T_OFF, + ELF_T_PHDR, + ELF_T_REL, + ELF_T_RELA, + ELF_T_SHDR, + ELF_T_SWORD, + ELF_T_SXWORD, + ELF_T_SYMINFO, + ELF_T_SYM, + ELF_T_VDEF, + ELF_T_VNEED, + ELF_T_WORD, + ELF_T_XWORD, + ELF_T_NUM +} Elf_Type; + +#define ELF_T_FIRST ELF_T_ADDR +#define ELF_T_LAST ELF_T_XWORD + +/* Commands */ +typedef enum { + ELF_C_NULL = 0, + ELF_C_CLR, + ELF_C_FDDONE, + ELF_C_FDREAD, + ELF_C_RDWR, + ELF_C_READ, + ELF_C_SET, + ELF_C_WRITE, + ELF_C_NUM +} Elf_Cmd; + +#define ELF_C_FIRST ELF_C_NULL +#define ELF_C_LAST ELF_C_NUM + +/* + * An `Elf_Data' structure describes data in an + * ELF section. + */ +typedef struct _Elf_Data { + /* + * `Public' members that are part of the ELF(3) API. + */ + uint64_t d_align; + void *d_buf; + uint64_t d_off; + uint64_t d_size; + Elf_Type d_type; + unsigned int d_version; + + /* + * Members that are not part of the public API. + */ + Elf_Scn *d_scn; /* containing section */ + unsigned int d_flags; + STAILQ_ENTRY(_Elf_Data) d_next; +} Elf_Data; + +/* + * An `Elf_Arhdr' structure describes an archive + * header. + */ +typedef struct { + time_t ar_date; + char *ar_name; /* archive member name */ + gid_t ar_gid; + mode_t ar_mode; + char *ar_rawname; /* 'raw' member name */ + size_t ar_size; + uid_t ar_uid; +} Elf_Arhdr; + +/* + * An `Elf_Arsym' describes an entry in the archive + * symbol table. + */ +typedef struct { + off_t as_off; /* byte offset to member's header */ + unsigned long as_hash; /* elf_hash() value for name */ + char *as_name; /* null terminated symbol name */ +} Elf_Arsym; + +/* + * Error numbers. + */ + +enum Elf_Error { + ELF_E_NONE, /* No error */ + ELF_E_ARCHIVE, /* Malformed ar(1) archive */ + ELF_E_ARGUMENT, /* Invalid argument */ + ELF_E_CLASS, /* Mismatched ELF class */ + ELF_E_DATA, /* Invalid data descriptor */ + ELF_E_HEADER, /* Missing or malformed ELF header */ + ELF_E_IO, /* I/O error */ + ELF_E_LAYOUT, /* Layout constraint violation */ + ELF_E_MODE, /* Wrong mode for ELF descriptor */ + ELF_E_RANGE, /* Value out of range */ + ELF_E_RESOURCE, /* Resource exhaustion */ + ELF_E_SECTION, /* Invalid section descriptor */ + ELF_E_SEQUENCE, /* API calls out of sequence */ + ELF_E_UNIMPL, /* Feature is unimplemented */ + ELF_E_VERSION, /* Unknown API version */ + ELF_E_NUM /* Max error number */ +}; + +/* + * Flags defined by the API. + */ + +#define ELF_F_LAYOUT 0x001U /* application will layout the file */ +#define ELF_F_DIRTY 0x002U /* a section or ELF file is dirty */ + +Elf *elf_begin(int _fd, Elf_Cmd _cmd, Elf *_elf); +int elf_cntl(Elf *_elf, Elf_Cmd _cmd); +int elf_end(Elf *_elf); +const char *elf_errmsg(int _error); +int elf_errno(void); +void elf_fill(int _fill); +unsigned int elf_flagdata(Elf_Data *_data, Elf_Cmd _cmd, unsigned int _flags); +unsigned int elf_flagehdr(Elf *_elf, Elf_Cmd _cmd, unsigned int _flags); +unsigned int elf_flagelf(Elf *_elf, Elf_Cmd _cmd, unsigned int _flags); +unsigned int elf_flagphdr(Elf *_elf, Elf_Cmd _cmd, unsigned int _flags); +unsigned int elf_flagscn(Elf_Scn *_scn, Elf_Cmd _cmd, unsigned int _flags); +unsigned int elf_flagshdr(Elf_Scn *_scn, Elf_Cmd _cmd, unsigned int _flags); +Elf_Arhdr *elf_getarhdr(Elf *_elf); +Elf_Arsym *elf_getarsym(Elf *_elf, size_t *_ptr); +off_t elf_getbase(Elf *_elf); +Elf_Data *elf_getdata(Elf_Scn *, Elf_Data *); +char *elf_getident(Elf *_elf, size_t *_ptr); +int elf_getphnum(Elf *_elf, size_t *_dst); +Elf_Scn *elf_getscn(Elf *_elf, size_t _index); +int elf_getshnum(Elf *_elf, size_t *_dst); +int elf_getshstrndx(Elf *_elf, size_t *_dst); +unsigned long elf_hash(const char *_name); +Elf_Kind elf_kind(Elf *_elf); +Elf *elf_memory(char *_image, size_t _size); +size_t elf_ndxscn(Elf_Scn *_scn); +Elf_Data *elf_newdata(Elf_Scn *_scn); +Elf_Scn *elf_newscn(Elf *_elf); +Elf_Scn *elf_nextscn(Elf *_elf, Elf_Scn *_scn); +Elf_Cmd elf_next(Elf *_elf); +off_t elf_rand(Elf *_elf, off_t _off); +Elf_Data *elf_rawdata(Elf_Scn *_scn, Elf_Data *_data); +char *elf_rawfile(Elf *_elf, size_t *_size); +int elf_setshstrndx(Elf *_elf, size_t _shnum); +char *elf_strptr(Elf *_elf, size_t _section, size_t _offset); +off_t elf_update(Elf *_elf, Elf_Cmd _cmd); +unsigned int elf_version(unsigned int _version); + +long elf32_checksum(Elf *_elf); +size_t elf32_fsize(Elf_Type _type, size_t _count, + unsigned int _version); +Elf32_Ehdr *elf32_getehdr(Elf *_elf); +Elf32_Phdr *elf32_getphdr(Elf *_elf); +Elf32_Shdr *elf32_getshdr(Elf_Scn *_scn); +Elf32_Ehdr *elf32_newehdr(Elf *_elf); +Elf32_Phdr *elf32_newphdr(Elf *_elf, size_t _count); +Elf_Data *elf32_xlatetof(Elf_Data *_dst, const Elf_Data *_src, + unsigned int _enc); +Elf_Data *elf32_xlatetom(Elf_Data *_dst, const Elf_Data *_src, + unsigned int _enc); + +long elf64_checksum(Elf *_elf); +size_t elf64_fsize(Elf_Type _type, size_t _count, + unsigned int _version); +Elf64_Ehdr *elf64_getehdr(Elf *_elf); +Elf64_Phdr *elf64_getphdr(Elf *_elf); +Elf64_Shdr *elf64_getshdr(Elf_Scn *_scn); +Elf64_Ehdr *elf64_newehdr(Elf *_elf); +Elf64_Phdr *elf64_newphdr(Elf *_elf, size_t _count); +Elf_Data *elf64_xlatetof(Elf_Data *_dst, const Elf_Data *_src, + unsigned int _enc); +Elf_Data *elf64_xlatetom(Elf_Data *_dst, const Elf_Data *_src, + unsigned int _enc); + +#ifdef __cplusplus +} +#endif + +#endif /* _LIBELF_H_ */ |