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{
  Elf64_Addr	r_offset;		/* Address */
  Elf64_Xword	r_info;			/* Relocation type and symbol index */
  Elf64_Sxword	r_addend;		/* Addend */
} Elf64_Rela;

/* How to extract and insert information held in the r_info field.  */

#define ELF32_R_SYM(val)		((val) >> 8)
#define ELF32_R_TYPE(val)		((val) & 0xff)
#define ELF32_R_INFO(sym, type)		(((sym) << 8) + ((type) & 0xff))

#define ELF64_R_SYM(i)			((i) >> 32)
#define ELF64_R_TYPE(i)			((i) & 0xffffffff)
#define ELF64_R_INFO(sym,type)		((((Elf64_Xword) (sym)) << 32) + (type))

/* Program segment header.  */

typedef struct
{
  Elf32_Word	p_type;			/* Segment type */
  Elf32_Off	p_offset;		/* Segment file offset */
  Elf32_Addr	p_vaddr;		/* Segment virtual address */
  Elf32_Addr	p_paddr;		/* Segment physical address */
  Elf32_Word	p_filesz;		/* Segment size in file */
  Elf32_Word	p_memsz;		/* Segment size in memory */
  Elf32_Word	p_flags;		/* Segment flags */
  Elf32_Word	p_align;		/* Segment alignment */
} Elf32_Phdr;

typedef struct
{
  Elf64_Word	p_type;			/* Segment type */
  Elf64_Word	p_flags;		/* Segment flags */
  Elf64_Off	p_offset;		/* Segment file offset */
  Elf64_Addr	p_vaddr;		/* Segment virtual address */
  Elf64_Addr	p_paddr;		/* Segment physical address */
  Elf64_Xword	p_filesz;		/* Segment size in file */
  Elf64_Xword	p_memsz;		/* Segment size in memory */
  Elf64_Xword	p_align;		/* Segment alignment */
} Elf64_Phdr;

/* Special value for e_phnum.  This indicates that the real number of
   program headers is too large to fit into e_phnum.  Instead the real
   value is in the field sh_info of section 0.  */

#define PN_XNUM		0xffff

/* Legal values for p_type (segment type).  */

#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 */
#define PT_PHDR		6		/* Entry for header table itself */
#define PT_TLS		7		/* Thread-local storage segment */
#define	PT_NUM		8		/* Number of defined types */
#define PT_LOOS		0x60000000	/* Start of OS-specific */
#define PT_GNU_EH_FRAME	0x6474e550	/* GCC .eh_frame_hdr segment */
#define PT_GNU_STACK	0x6474e551	/* Indicates stack executability */
#define PT_GNU_RELRO	0x6474e552	/* Read-only after relocation */
#define PT_LOSUNW	0x6ffffffa
#define PT_SUNWBSS	0x6ffffffa	/* Sun Specific segment */
#define PT_SUNWSTACK	0x6ffffffb	/* Stack segment */
#define PT_HISUNW	0x6fffffff
#define PT_HIOS		0x6fffffff	/* End of OS-specific */
#define PT_LOPROC	0x70000000	/* Start of processor-specific */
#define PT_HIPROC	0x7fffffff	/* End of processor-specific */

/* Legal values for p_flags (segment flags).  */

#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	0x0ff00000	/* OS-specific */
#define PF_MASKPROC	0xf0000000	/* Processor-specific */

/* Legal values for 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 */
#define NT_PRXREG	4		/* Contains copy of prxregset struct */
#define NT_TASKSTRUCT	4		/* Contains copy of task structure */
#define NT_PLATFORM	5		/* String from sysinfo(SI_PLATFORM) */
#define NT_AUXV		6		/* Contains copy of auxv array */
#define NT_GWINDOWS	7		/* Contains copy of gwindows struct */
#define NT_ASRS		8		/* Contains copy of asrset struct */
#define NT_PSTATUS	10		/* Contains copy of pstatus struct */
#define NT_PSINFO	13		/* Contains copy of psinfo struct */
#define NT_PRCRED	14		/* Contains copy of prcred struct */
#define NT_UTSNAME	15		/* Contains copy of utsname struct */
#define NT_LWPSTATUS	16		/* Contains copy of lwpstatus struct */
#define NT_LWPSINFO	17		/* Contains copy of lwpinfo struct */
#define NT_PRFPXREG	20		/* Contains copy of fprxregset struct */
#define NT_PRXFPREG	0x46e62b7f	/* Contains copy of user_fxsr_struct */
#define NT_PPC_VMX	0x100		/* PowerPC Altivec/VMX registers */
#define NT_PPC_SPE	0x101		/* PowerPC SPE/EVR registers */
#define NT_PPC_VSX	0x102		/* PowerPC VSX registers */
#define NT_386_TLS	0x200		/* i386 TLS slots (struct user_desc) */
#define NT_386_IOPERM	0x201		/* x86 io permission bitmap (1=deny) */
#define NT_X86_XSTATE	0x202		/* x86 extended state using xsave */
#define NT_S390_HIGH_GPRS	0x300	/* s390 upper register halves */
#define NT_S390_TIMER	0x301		/* s390 timer register */
#define NT_S390_TODCMP	0x302		/* s390 TOD clock comparator register */
#define NT_S390_TODPREG	0x303		/* s390 TOD programmable register */
#define NT_S390_CTRS	0x304		/* s390 control registers */
#define NT_S390_PREFIX	0x305		/* s390 prefix register */
#define NT_S390_LAST_BREAK	0x306	/* s390 breaking event address */
#define NT_S390_SYSTEM_CALL	0x307	/* s390 system call restart data */
#define NT_ARM_VFP	0x400		/* ARM VFP/NEON registers */
#define NT_ARM_TLS	0x401		/* ARM TLS register */
#define NT_ARM_HW_BREAK	0x402		/* ARM hardware breakpoint registers */
#define NT_ARM_HW_WATCH	0x403		/* ARM hardware watchpoint registers */

/* Legal values for the note segment descriptor types for object files.  */

#define NT_VERSION	1		/* Contains a version string.  */