19990502 sourceware importbinu_ss_19990502

1 files changed, 454 insertions, 0 deletions

diff --git a/include/elf/common.h b/include/elf/common.h
new file mode 100644
index 0000000..cda3ba0
--- /dev/null
+++ b/include/elf/common.h
@@ -0,0 +1,454 @@
+/* ELF support for BFD.
+   Copyright (C) 1991,92,93,94,95,96,97,98,99 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 are common to both the internal and external representations.
+   For example, ELFMAG0 is the byte 0x7F in both the internal (in-memory)
+   and external (in-file) representations. */
+
+#ifndef _ELF_COMMON_H
+#define _ELF_COMMON_H
+
+/* Fields in e_ident[] */
+
+#define EI_MAG0		0	/* File identification byte 0 index */
+#define ELFMAG0		0x7F	/* Magic number byte 0 */
+
+#define EI_MAG1		1	/* File identification byte 1 index */
+#define ELFMAG1		'E'	/* Magic number byte 1 */
+
+#define EI_MAG2		2	/* File identification byte 2 index */
+#define ELFMAG2		'L'	/* Magic number byte 2 */
+
+#define EI_MAG3		3	/* File identification byte 3 index */
+#define ELFMAG3		'F'	/* Magic number byte 3 */
+
+#define EI_CLASS	4	/* File class */
+#define ELFCLASSNONE	0	/* Invalid class */
+#define ELFCLASS32	1	/* 32-bit objects */
+#define ELFCLASS64	2	/* 64-bit objects */
+
+#define EI_DATA		5	/* Data encoding */
+#define ELFDATANONE	0	/* Invalid data encoding */
+#define ELFDATA2LSB	1	/* 2's complement, little endian */
+#define ELFDATA2MSB	2	/* 2's complement, big endian */
+
+#define EI_VERSION	6	/* File version */
+
+#define EI_OSABI        7       /* Operating System/ABI indication */
+#define ELFOSABI_SYSV   0       /* UNIX System V ABI */
+#define ELFOSABI_HPUX   1       /* HP-UX operating system */
+#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
+
+#define EI_ABIVERSION   8       /* ABI version */
+
+#define EI_PAD		9	/* Start of padding bytes */
+
+
+/* Values for e_type, which identifies the object file type */
+
+#define ET_NONE		0	/* No file type */
+#define ET_REL		1	/* Relocatable file */
+#define ET_EXEC		2	/* Executable file */
+#define ET_DYN		3	/* Shared object file */
+#define ET_CORE		4	/* Core file */
+#define ET_LOOS         0xFE00	/* Operating system-specific */
+#define ET_HIOS         0xFEFF  /* Operating system-specific */
+#define ET_LOPROC	0xFF00	/* Processor-specific */
+#define ET_HIPROC	0xFFFF	/* Processor-specific */
+
+/* Values for e_machine, which identifies the architecture */
+
+#define EM_NONE		0	/* No machine */
+#define EM_M32		1	/* AT&T WE 32100 */
+#define EM_SPARC	2	/* SUN SPARC */
+#define EM_386		3	/* Intel 80386 */
+#define EM_68K		4	/* Motorola m68k family */
+#define EM_88K		5	/* Motorola m88k family */
+#define EM_486		6	/* Intel 80486 */
+#define EM_860		7	/* Intel 80860 */
+#define EM_MIPS		8	/* MIPS R3000 (officially, big-endian only) */
+#define EM_S370		9	/* Amdahl */
+#define EM_MIPS_RS4_BE 10	/* MIPS R4000 big-endian */
+
+#define EM_PARISC      15	/* HPPA */
+#define EM_VPP550      17       /* Fujitsu VPP500 */
+#define EM_SPARC32PLUS 18	/* Sun's "v8plus" */
+#define EM_960         19       /* Intel 80960 */
+#define EM_PPC	       20	/* PowerPC */
+
+#define EM_V800        36	/* NEC V800 series */
+#define EM_FR20	       37	/* Fujitsu FR20 */
+#define EM_RH32	       38       /* TRW RH32 */
+#define EM_MCORE       39       /* Motorolla MCore */ /* May also be taken by Fujitsu MMA */
+#define EM_ARM	       40	/* ARM */
+#define EM_OLD_ALPHA   41	/* Digital Alpha */
+#define EM_SH	       42	/* Hitachi SH */
+#define EM_SPARCV9     43	/* SPARC v9 64-bit */
+#define EM_TRICORE     44       /* Siemens Tricore embedded processor */
+#define EM_ARC         45       /* Argonaut RISC Core, Argonaut Technologies Inc. */
+#define EM_H8_300      46       /* Hitachi H8/300 */
+#define EM_H8_300H     47       /* Hitachi H8/300H */
+#define EM_H8S         48       /* Hitachi H8S */
+#define EM_H8_500      49       /* Hitachi H8/500 */
+#define EM_IA_64       50       /* Intel MercedTM Processor */
+#define EM_MIPS_X      51       /* Stanford MIPS-X */
+#define EM_COLDFIRE    52       /* Motorola Coldfire */
+#define EM_68HC12      53       /* Motorola M68HC12 */
+
+/* If it is necessary to assign new unofficial EM_* values, please pick large
+   random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision
+   with official or non-GNU unofficial values.
+
+   NOTE: Do not just increment the most recent number by one.
+   Somebody else somewhere will do exactly the same thing, and you
+   will have a collision.  Instead, pick a random number.  */
+
+/* Cygnus PowerPC ELF backend.  Written in the absence of an ABI.  */
+#define EM_CYGNUS_POWERPC 0x9025
+
+/* Old version of Sparc v9, from before the ABI; this should be
+   removed shortly.  */
+#define EM_OLD_SPARCV9	11
+
+/* Old version of PowerPC, this should be removed shortly. */
+#define EM_PPC_OLD	17
+
+/* Cygnus ARC ELF backend.  Written in the absence of an ABI.  */
+#define EM_CYGNUS_ARC 0x9040
+
+/* Cygnus M32R ELF backend.  Written in the absence of an ABI.  */
+#define EM_CYGNUS_M32R 0x9041
+
+/* Alpha backend magic number.  Written in the absence of an ABI.  */
+#define EM_ALPHA	0x9026
+
+/* D10V backend magic number.  Written in the absence of an ABI.  */
+#define EM_CYGNUS_D10V	0x7650
+
+/* D30V backend magic number.  Written in the absence of an ABI.  */
+#define EM_CYGNUS_D30V	0x7676
+
+/* V850 backend magic number.  Written in the absense of an ABI.  */
+#define EM_CYGNUS_V850	0x9080
+
+/* mn10200 and mn10300 backend magic numbers.
+   Written in the absense of an ABI.  */
+#define EM_CYGNUS_MN10200	0xdead
+#define EM_CYGNUS_MN10300	0xbeef
+
+/* FR30 magic number - no EABI available.  */
+#define EM_CYGNUS_FR30		0x3330
+
+/* See the above comment before you add a new EM_* value here.  */
+
+/* Values for e_version */
+
+#define EV_NONE		0		/* Invalid ELF version */
+#define EV_CURRENT	1		/* Current version */
+
+/* Values for program header, p_type field */
+
+#define	PT_NULL		0		/* Program header table entry unused */
+#define PT_LOAD		1		/* Loadable program segment */
+#define PT_DYNAMIC	2		/* Dynamic linking information */
+#define PT_INTERP	3		/* Program interpreter */
+#define PT_NOTE		4		/* Auxiliary information */
+#define PT_SHLIB	5		/* Reserved, unspecified semantics */
+#define PT_PHDR		6		/* Entry for header table itself */
+#define PT_LOOS         0x60000000	/* OS-specific */
+#define PT_HIOS         0x6fffffff	/* OS-specific */
+#define PT_LOPROC	0x70000000	/* Processor-specific */
+#define PT_HIPROC	0x7FFFFFFF	/* Processor-specific */
+
+/* Program segment permissions, in program header p_flags field */
+
+#define PF_X		(1 << 0)	/* Segment is executable */
+#define PF_W		(1 << 1)	/* Segment is writable */
+#define PF_R		(1 << 2)	/* Segment is readable */
+#define PF_MASKOS	0x0F000000	/* OS-specific reserved bits */
+#define PF_MASKPROC	0xF0000000	/* Processor-specific reserved bits */
+
+/* Values for section header, sh_type field */
+
+#define SHT_NULL	0		/* Section header table entry unused */
+#define SHT_PROGBITS	1		/* Program specific (private) data */
+#define SHT_SYMTAB	2		/* Link editing symbol table */
+#define SHT_STRTAB	3		/* A string table */
+#define SHT_RELA	4		/* Relocation entries with addends */
+#define SHT_HASH	5		/* A symbol hash table */
+#define SHT_DYNAMIC	6		/* Information for dynamic linking */
+#define SHT_NOTE	7		/* Information that marks file */
+#define SHT_NOBITS	8		/* Section occupies no space in file */
+#define SHT_REL		9		/* Relocation entries, no addends */
+#define SHT_SHLIB	10		/* Reserved, unspecified semantics */
+#define SHT_DYNSYM	11		/* Dynamic linking symbol table */
+
+#define SHT_LOOS        0x60000000      /* Operating system specific semantics, lo */
+#define SHT_HIOS        0x6fffffff      /* Operating system specific semantics, hi */
+
+/* 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 */
+#define SHT_HIUSER	0x8FFFFFFF	/* Application-specific semantics */
+
+/* Values for section header, sh_flags field */
+
+#define SHF_WRITE	(1 << 0)	/* Writable data during execution */
+#define SHF_ALLOC	(1 << 1)	/* Occupies memory during execution */
+#define SHF_EXECINSTR	(1 << 2)	/* Executable machine instructions */
+#define SHF_MASKOS	0x0F000000	/* OS-specific semantics */
+#define SHF_MASKPROC	0xF0000000	/* Processor-specific semantics */
+
+/* Values of note segment descriptor types for core files. */
+
+#define NT_PRSTATUS	1		/* Contains copy of prstatus struct */
+#define NT_FPREGSET	2		/* Contains copy of fpregset struct */
+#define NT_PRPSINFO	3		/* Contains copy of prpsinfo struct */
+
+/* Note segments for core files on dir-style procfs systems. */
+
+#define NT_PSTATUS	10		/* Has a struct pstatus */
+#define NT_FPREGS	12		/* Has a struct fpregset */
+#define NT_PSINFO	13		/* Has a struct psinfo */
+#define NT_LWPSTATUS	16		/* Has a struct lwpstatus_t */
+#define NT_LWPSINFO	17		/* Has a struct lwpsinfo_t */
+
+/* Values of note segment descriptor types for object files.  */
+/* (Only for hppa right now.  Should this be moved elsewhere?)  */
+
+#define NT_VERSION	1		/* Contains a version string.  */
+
+/* These three macros disassemble and assemble a symbol table st_info field,
+   which contains the symbol binding and symbol type.  The STB_ and STT_
+   defines identify the binding and type. */
+
+#define ELF_ST_BIND(val)		(((unsigned int)(val)) >> 4)
+#define ELF_ST_TYPE(val)		((val) & 0xF)
+#define ELF_ST_INFO(bind,type)		(((bind) << 4) + ((type) & 0xF))
+
+#define STN_UNDEF	0		/* undefined symbol index */
+
+#define STB_LOCAL	0		/* Symbol not visible outside obj */
+#define STB_GLOBAL	1		/* Symbol visible outside obj */
+#define STB_WEAK	2		/* Like globals, lower precedence */
+#define STB_LOOS        10		/* OS-specific semantics */
+#define STB_HIOS        12		/* OS-specific semantics */
+#define STB_LOPROC	13		/* Application-specific semantics */
+#define STB_HIPROC	15		/* Application-specific semantics */
+
+#define STT_NOTYPE	0		/* Symbol type is unspecified */
+#define STT_OBJECT	1		/* Symbol is a data object */
+#define STT_FUNC	2		/* Symbol is a code object */
+#define STT_SECTION	3		/* Symbol associated with a section */
+#define STT_FILE	4		/* Symbol gives a file name */
+#define STT_LOOS        10		/* OS-specific semantics */
+#define STT_HIOS        12		/* OS-specific semantics */
+#define STT_LOPROC	13		/* Application-specific semantics */
+#define STT_HIPROC	15		/* Application-specific semantics */
+
+/* Special section indices, which may show up in st_shndx fields, among
+   other places. */
+
+#define SHN_UNDEF	0		/* Undefined section reference */
+#define SHN_LORESERVE	0xFF00		/* Begin range of reserved indices */
+#define SHN_LOPROC	0xFF00		/* Begin range of appl-specific */
+#define SHN_HIPROC	0xFF1F		/* End range of appl-specific */
+#define SHN_LOOS        0xFF20		/* OS specific semantics, lo */
+#define SHN_HIOS        0xFF3F		/* OS specific semantics, hi */
+#define SHN_ABS		0xFFF1		/* Associated symbol is absolute */
+#define SHN_COMMON	0xFFF2		/* Associated symbol is in common */
+#define SHN_HIRESERVE	0xFFFF		/* End range of reserved indices */
+
+/* relocation info handling macros */
+
+#define ELF32_R_SYM(i)		((i) >> 8)
+#define ELF32_R_TYPE(i)		((i) & 0xff)
+#define ELF32_R_INFO(s,t)	(((s) << 8) + ((t) & 0xff))
+
+#define ELF64_R_SYM(i)		((i) >> 32)
+#define ELF64_R_TYPE(i)		((i) & 0xffffffff)
+#define ELF64_R_INFO(s,t)	(((bfd_vma) (s) << 32) + (bfd_vma) (t))
+
+/* Dynamic section tags */
+
+#define DT_NULL		0
+#define DT_NEEDED	1
+#define DT_PLTRELSZ	2
+#define DT_PLTGOT	3
+#define DT_HASH		4
+#define DT_STRTAB	5
+#define DT_SYMTAB	6
+#define DT_RELA		7
+#define DT_RELASZ	8
+#define DT_RELAENT	9
+#define DT_STRSZ	10
+#define DT_SYMENT	11
+#define DT_INIT		12
+#define DT_FINI		13
+#define DT_SONAME	14
+#define DT_RPATH	15
+#define DT_SYMBOLIC	16
+#define DT_REL		17
+#define DT_RELSZ	18
+#define DT_RELENT	19
+#define DT_PLTREL	20
+#define DT_DEBUG	21
+#define DT_TEXTREL	22
+#define DT_JMPREL	23
+#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_LOOS         0x60000000
+#define DT_HIOS         0x6fffffff
+
+/* The next four dynamic tags are used on Solaris.  We support them
+   everywhere.  */
+#define DT_VALRNGLO	0x6ffffd00
+#define DT_PLTPADSZ	0x6ffffdf9
+#define DT_MOVEENT	0x6ffffdfa
+#define DT_MOVESZ	0x6ffffdfb
+#define DT_FEATURE_1	0x6ffffdfc
+#define DT_POSFLAG_1	0x6ffffdfd
+#define DT_SYMINSZ	0x6ffffdfe
+#define DT_SYMINENT	0x6ffffdff
+#define DT_VALRNGHI	0x6ffffdff
+
+#define DT_ADDRRNGLO	0x6ffffe00
+#define DT_SYMINFO	0x6ffffeff
+#define DT_ADDRRNGHI	0x6ffffeff
+
+#define DT_RELACOUNT	0x6ffffff9
+#define DT_RELCOUNT	0x6ffffffa
+#define DT_FLAGS_1	0x6ffffffb
+#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
+
+/* These section tags are used on Solaris.  We support them
+   everywhere, and hope they do not conflict.  */
+
+#define DT_AUXILIARY	0x7ffffffd
+#define DT_USED		0x7ffffffe
+#define DT_FILTER	0x7fffffff
+
+/* Values used in DT_FEATURE_1 .dynamic entry.  */
+#define DTF_1_PARINIT	0x00000001
+
+/* Flag values used in the DT_POSFLAG_1 .dynamic entry.  */
+#define DF_P1_LAZYLOAD	0x00000001
+#define DF_P1_GROUPPERM	0x00000002
+
+/* Flag value in in the DT_1_FLAGS .dynamic entry.  */
+#define DF_1_NOW	0x00000001
+#define DF_1_GLOBAL	0x00000002
+#define DF_1_GROUP	0x00000004
+#define DF_1_NODELETE	0x00000008
+#define DF_1_LOADFLTR	0x00000010
+#define DF_1_INITFIRST	0x00000020
+#define DF_1_NOOPEN	0x00000040
+#define DF_1_ORIGIN	0x00000080
+#define DF_1_DIRECT	0x00000100
+#define DF_1_TRANS	0x00000200
+#define DF_1_INTERPOSE	0x00000400
+
+/* 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 flag appears in a Versym structure.  It means that the symbol
+   is hidden, and is only visible with an explicit version number.
+   This is a GNU extension.  */
+
+#define VERSYM_HIDDEN		0x8000
+
+/* This is the mask for the rest of the Versym information.  */
+
+#define VERSYM_VERSION		0x7fff
+
+/* 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	'@'
+
+/* Possible values for si_boundto.  */
+#define SYMINFO_BT_SELF		0xffff	/* Symbol bound to self */
+#define SYMINFO_BT_PARENT	0xfffe	/* Symbol bound to parent */
+#define SYMINFO_BT_LOWRESERVE	0xff00	/* Beginning of reserved entries */
+
+/* Possible bitmasks for si_flags.  */
+#define SYMINFO_FLG_DIRECT	0x0001	/* Direct bound symbol */
+#define SYMINFO_FLG_PASSTHRU	0x0002	/* Pass-thru symbol for translator */
+#define SYMINFO_FLG_COPY	0x0004	/* Symbol is a copy-reloc */
+#define SYMINFO_FLG_LAZYLOAD	0x0008	/* Symbol bound to object to be lazy
+					   loaded */
+/* Syminfo version values.  */
+#define SYMINFO_NONE		0
+#define SYMINFO_CURRENT		1
+#define SYMINFO_NUM		2
+
+#endif /* _ELF_COMMON_H */