mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
7e5102989e
dynamic symbol table buckets and chains. The sparc64 toolchain uses 32 bit .hash entries, unlike other 64 bits architectures (alpha), which use 64 bit entries. Discussed with: dfr, jdp
215 lines
8.2 KiB
C
215 lines
8.2 KiB
C
/*-
|
|
* Copyright (c) 1996-1997 John D. Polstra.
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _MACHINE_ELF_H_
|
|
#define _MACHINE_ELF_H_ 1
|
|
|
|
/*
|
|
* ELF definitions for the IA-64 architecture.
|
|
*/
|
|
|
|
#include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */
|
|
|
|
#define __ELF_WORD_SIZE 64 /* Used by <sys/elf_generic.h> */
|
|
#include <sys/elf_generic.h>
|
|
|
|
#define ELF_ARCH EM_IA_64
|
|
|
|
#define ELF_MACHINE_OK(x) ((x) == EM_IA_64)
|
|
|
|
/*
|
|
* Auxiliary vector entries for passing information to the interpreter.
|
|
*
|
|
* The i386 supplement to the SVR4 ABI specification names this "auxv_t",
|
|
* but POSIX lays claim to all symbols ending with "_t".
|
|
*/
|
|
|
|
typedef struct { /* Auxiliary vector entry on initial stack */
|
|
int a_type; /* Entry type. */
|
|
union {
|
|
long a_val; /* Integer value. */
|
|
void *a_ptr; /* Address. */
|
|
void (*a_fcn)(void); /* Function pointer (not used). */
|
|
} a_un;
|
|
} Elf64_Auxinfo;
|
|
|
|
__ElfType(Auxinfo);
|
|
|
|
/*
|
|
* Types of dynamic symbol hash table bucket and chain elements.
|
|
*
|
|
* This is inconsistent among 64 bit architectures, so a machine dependent
|
|
* typedef is required.
|
|
*/
|
|
|
|
typedef Elf64_Off Elf64_Hashelt;
|
|
|
|
__ElfType(Hashelt);
|
|
|
|
/* Values for a_type. */
|
|
#define AT_NULL 0 /* Terminates the vector. */
|
|
#define AT_IGNORE 1 /* Ignored entry. */
|
|
#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
|
|
* from John Polstra's testbed program to the dynamic linker. These
|
|
* are expected to go away soon.
|
|
*
|
|
* Unfortunately, these overlap the Linux non-standard values, so they
|
|
* must not be used in the same context.
|
|
*/
|
|
#define AT_BRK 10 /* Starting point for sbrk and brk. */
|
|
#define AT_DEBUG 11 /* Debugging level. */
|
|
|
|
/*
|
|
* 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. */
|
|
|
|
#define AT_COUNT 15 /* Count of defined aux entry types. */
|
|
|
|
/*
|
|
* Values for e_flags.
|
|
*/
|
|
#define EF_IA_64_MASKOS 0x00ff000f
|
|
#define EF_IA_64_ABI64 0x00000010
|
|
#define EF_IA_64_REDUCEDFP 0x00000020
|
|
#define EF_IA_64_CONS_GP 0x00000040
|
|
#define EF_IA_64_NOFUNCDESC_CONS_GP 0x00000080
|
|
#define EF_IA_64_ABSOLUTE 0x00000100
|
|
#define EF_IA_64_ARCH 0xff000000
|
|
|
|
/*
|
|
* Section types.
|
|
*/
|
|
#define SHT_IA_64_EXT 0x70000000
|
|
#define SHT_IA_64_UNWIND 0x70000001
|
|
#define SHT_IA_64_LOPSREG 0x78000000
|
|
#define SHT_IA_64_HIPSREG 0x7fffffff
|
|
|
|
/*
|
|
* Section attribute flags.
|
|
*/
|
|
#define SHF_IA_64_SHORT 0x10000000
|
|
#define SHF_IA_64_NORECOV 0x20000000
|
|
|
|
/*
|
|
* Relocation types.
|
|
*/
|
|
|
|
/* Name Value Field Calculation */
|
|
#define R_IA64_NONE 0 /* None */
|
|
#define R_IA64_IMM14 0x21 /* immediate14 S + A */
|
|
#define R_IA64_IMM22 0x22 /* immediate22 S + A */
|
|
#define R_IA64_IMM64 0x23 /* immediate64 S + A */
|
|
#define R_IA64_DIR32MSB 0x24 /* word32 MSB S + A */
|
|
#define R_IA64_DIR32LSB 0x25 /* word32 LSB S + A */
|
|
#define R_IA64_DIR64MSB 0x26 /* word64 MSB S + A */
|
|
#define R_IA64_DIR64LSB 0x27 /* word64 LSB S + A */
|
|
#define R_IA64_GPREL22 0x2a /* immediate22 @gprel(S + A) */
|
|
#define R_IA64_GPREL64I 0x2b /* immediate64 @gprel(S + A) */
|
|
#define R_IA64_GPREL64MSB 0x2e /* word64 MSB @gprel(S + A) */
|
|
#define R_IA64_GPREL64LSB 0x2f /* word64 LSB @gprel(S + A) */
|
|
#define R_IA64_LTOFF22 0x32 /* immediate22 @ltoff(S + A) */
|
|
#define R_IA64_LTOFF64I 0x33 /* immediate64 @ltoff(S + A) */
|
|
#define R_IA64_PLTOFF22 0x3a /* immediate22 @pltoff(S + A) */
|
|
#define R_IA64_PLTOFF64I 0x3b /* immediate64 @pltoff(S + A) */
|
|
#define R_IA64_PLTOFF64MSB 0x3e /* word64 MSB @pltoff(S + A) */
|
|
#define R_IA64_PLTOFF64LSB 0x3f /* word64 LSB @pltoff(S + A) */
|
|
#define R_IA64_FPTR64I 0x43 /* immediate64 @fptr(S + A) */
|
|
#define R_IA64_FPTR32MSB 0x44 /* word32 MSB @fptr(S + A) */
|
|
#define R_IA64_FPTR32LSB 0x45 /* word32 LSB @fptr(S + A) */
|
|
#define R_IA64_FPTR64MSB 0x46 /* word64 MSB @fptr(S + A) */
|
|
#define R_IA64_FPTR64LSB 0x47 /* word64 LSB @fptr(S + A) */
|
|
#define R_IA64_PCREL21B 0x49 /* immediate21 form1 S + A - P */
|
|
#define R_IA64_PCREL21M 0x4a /* immediate21 form2 S + A - P */
|
|
#define R_IA64_PCREL21F 0x4b /* immediate21 form3 S + A - P */
|
|
#define R_IA64_PCREL32MSB 0x4c /* word32 MSB S + A - P */
|
|
#define R_IA64_PCREL32LSB 0x4d /* word32 LSB S + A - P */
|
|
#define R_IA64_PCREL64MSB 0x4e /* word64 MSB S + A - P */
|
|
#define R_IA64_PCREL64LSB 0x4f /* word64 LSB S + A - P */
|
|
#define R_IA64_LTOFF_FPTR22 0x52 /* immediate22 @ltoff(@fptr(S + A)) */
|
|
#define R_IA64_LTOFF_FPTR64I 0x53 /* immediate64 @ltoff(@fptr(S + A)) */
|
|
#define R_IA64_LTOFF_FPTR32MSB 0x54 /* word32 MSB @ltoff(@fptr(S + A)) */
|
|
#define R_IA64_LTOFF_FPTR32LSB 0x55 /* word32 LSB @ltoff(@fptr(S + A)) */
|
|
#define R_IA64_LTOFF_FPTR64MSB 0x56 /* word64 MSB @ltoff(@fptr(S + A)) */
|
|
#define R_IA64_LTOFF_FPTR64LSB 0x57 /* word64 LSB @ltoff(@fptr(S + A)) */
|
|
#define R_IA64_SEGREL32MSB 0x5c /* word32 MSB @segrel(S + A) */
|
|
#define R_IA64_SEGREL32LSB 0x5d /* word32 LSB @segrel(S + A) */
|
|
#define R_IA64_SEGREL64MSB 0x5e /* word64 MSB @segrel(S + A) */
|
|
#define R_IA64_SEGREL64LSB 0x5f /* word64 LSB @segrel(S + A) */
|
|
#define R_IA64_SECREL32MSB 0x64 /* word32 MSB @secrel(S + A) */
|
|
#define R_IA64_SECREL32LSB 0x65 /* word32 LSB @secrel(S + A) */
|
|
#define R_IA64_SECREL64MSB 0x66 /* word64 MSB @secrel(S + A) */
|
|
#define R_IA64_SECREL64LSB 0x67 /* word64 LSB @secrel(S + A) */
|
|
#define R_IA64_REL32MSB 0x6c /* word32 MSB BD + A */
|
|
#define R_IA64_REL32LSB 0x6d /* word32 LSB BD + A */
|
|
#define R_IA64_REL64MSB 0x6e /* word64 MSB BD + A */
|
|
#define R_IA64_REL64LSB 0x6f /* word64 LSB BD + A */
|
|
#define R_IA64_LTV32MSB 0x74 /* word32 MSB S + A */
|
|
#define R_IA64_LTV32LSB 0x75 /* word32 LSB S + A */
|
|
#define R_IA64_LTV64MSB 0x76 /* word64 MSB S + A */
|
|
#define R_IA64_LTV64LSB 0x77 /* word64 LSB S + A */
|
|
#define R_IA64_IPLTMSB 0x80 /* function descriptor MSB special */
|
|
#define R_IA64_IPLTLSB 0x81 /* function descriptor LSB speciaal */
|
|
#define R_IA64_SUB 0x85 /* immediate64 A - S */
|
|
#define R_IA64_LTOFF22X 0x86 /* immediate22 special */
|
|
#define R_IA64_LDXMOV 0x87 /* immediate22 special */
|
|
|
|
/* Define "machine" characteristics */
|
|
#define ELF_TARG_CLASS ELFCLASS64
|
|
#define ELF_TARG_DATA ELFDATA2LSB
|
|
#define ELF_TARG_MACH EM_IA_64
|
|
#define ELF_TARG_VER 1
|
|
|
|
#ifdef _KERNEL
|
|
|
|
/*
|
|
* On the ia64 we load the dynamic linker where a userland call
|
|
* to mmap(0, ...) would put it. The rationale behind this
|
|
* calculation is that it leaves room for the heap to grow to
|
|
* its maximum allowed size.
|
|
*/
|
|
#define ELF_RTLD_ADDR(vmspace) \
|
|
(round_page((vm_offset_t)(vmspace)->vm_daddr + MAXDSIZ))
|
|
|
|
#endif /* _KERNEL */
|
|
#endif /* !_MACHINE_ELF_H_ */
|