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Diffstat (limited to 'sys/ia64/include/elf.h')
| -rw-r--r-- | sys/ia64/include/elf.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/sys/ia64/include/elf.h b/sys/ia64/include/elf.h new file mode 100644 index 0000000..3ed5220 --- /dev/null +++ b/sys/ia64/include/elf.h @@ -0,0 +1,203 @@ +/*- + * 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); + +/* 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_ */ |
