114 lines
4.3 KiB
C
114 lines
4.3 KiB
C
|
/* ALPHA ELF support for BFD.
|
||
|
|
Copyright (C) 1996, 1998 Free Software Foundation, Inc.
|
||
|
|
|
||
|
|
By Eric Youngdale, <eric@aib.com>. No processor supplement available
|
||
|
|
for this platform.
|
||
|
|
|
||
|
|
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 holds definitions specific to the ALPHA ELF ABI. Note
|
||
|
|
that most of this is not actually implemented by BFD. */
|
||
|
|
|
||
|
|
#ifndef _ELF_ALPHA_H
|
||
|
|
#define _ELF_ALPHA_H
|
||
|
|
|
||
|
|
/* Processor specific flags for the ELF header e_flags field. */
|
||
|
|
|
||
|
|
/* All addresses must be below 2GB. */
|
||
|
|
#define EF_ALPHA_32BIT 0x00000001
|
||
|
|
|
||
|
|
/* All relocations needed for relaxation with code movement are present. */
|
||
|
|
#define EF_ALPHA_CANRELAX 0x00000002
|
||
|
|
|
||
|
|
/* Processor specific section flags. */
|
||
|
|
|
||
|
|
/* This section must be in the global data area. */
|
||
|
|
#define SHF_ALPHA_GPREL 0x10000000
|
||
|
|
|
||
|
|
/* Section contains some sort of debugging information. The exact
|
||
|
|
format is unspecified. It's probably ECOFF symbols. */
|
||
|
|
#define SHT_ALPHA_DEBUG 0x70000001
|
||
|
|
|
||
|
|
/* Section contains register usage information. */
|
||
|
|
#define SHT_ALPHA_REGINFO 0x70000002
|
||
|
|
|
||
|
|
/* A section of type SHT_MIPS_REGINFO contains the following
|
||
|
|
structure. */
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
/* Mask of general purpose registers used. */
|
||
|
|
unsigned long ri_gprmask;
|
||
|
|
/* Mask of co-processor registers used. */
|
||
|
|
unsigned long ri_cprmask[4];
|
||
|
|
/* GP register value for this object file. */
|
||
|
|
long ri_gp_value;
|
||
|
|
} Elf64_RegInfo;
|
||
|
|
|
||
|
|
/* Special values for the st_other field in the symbol table. */
|
||
|
|
|
||
|
|
#define STO_ALPHA_NOPV 0x80
|
||
|
|
#define STO_ALPHA_STD_GPLOAD 0x88
|
||
|
|
|
||
|
|
/* Unless otherwise told we define an enum with the relocation entries. */
|
||
|
|
#ifndef START_RELOC_NUMBERS
|
||
|
|
# define START_RELOC_NUMBERS(name) enum name {
|
||
|
|
# define RELOC_NUMBER(name, number) name = number ,
|
||
|
|
# define END_RELOC_NUMBERS };
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Alpha relocs. */
|
||
|
|
START_RELOC_NUMBERS (elf_alpha_reloc_type)
|
||
|
|
RELOC_NUMBER (R_ALPHA_NONE, 0) /* No reloc */
|
||
|
|
RELOC_NUMBER (R_ALPHA_REFLONG, 1) /* Direct 32 bit */
|
||
|
|
RELOC_NUMBER (R_ALPHA_REFQUAD, 2) /* Direct 64 bit */
|
||
|
|
RELOC_NUMBER (R_ALPHA_GPREL32, 3) /* GP relative 32 bit */
|
||
|
|
RELOC_NUMBER (R_ALPHA_LITERAL, 4) /* GP relative 16 bit w/optimization */
|
||
|
|
RELOC_NUMBER (R_ALPHA_LITUSE, 5) /* Optimization hint for LITERAL */
|
||
|
|
RELOC_NUMBER (R_ALPHA_GPDISP, 6) /* Add displacement to GP */
|
||
|
|
RELOC_NUMBER (R_ALPHA_BRADDR, 7) /* PC+4 relative 23 bit shifted */
|
||
|
|
RELOC_NUMBER (R_ALPHA_HINT, 8) /* PC+4 relative 16 bit shifted */
|
||
|
|
RELOC_NUMBER (R_ALPHA_SREL16, 9) /* PC relative 16 bit */
|
||
|
|
RELOC_NUMBER (R_ALPHA_SREL32, 10) /* PC relative 32 bit */
|
||
|
|
RELOC_NUMBER (R_ALPHA_SREL64, 11) /* PC relative 64 bit */
|
||
|
|
|
||
|
|
/* Inherited these from ECOFF, but they are not particularly useful
|
||
|
|
and are depreciated. And not implemented in the BFD, btw. */
|
||
|
|
RELOC_NUMBER (R_ALPHA_OP_PUSH, 12) /* OP stack push */
|
||
|
|
RELOC_NUMBER (R_ALPHA_OP_STORE, 13) /* OP stack pop and store */
|
||
|
|
RELOC_NUMBER (R_ALPHA_OP_PSUB, 14) /* OP stack subtract */
|
||
|
|
RELOC_NUMBER (R_ALPHA_OP_PRSHIFT, 15) /* OP stack right shift */
|
||
|
|
|
||
|
|
RELOC_NUMBER (R_ALPHA_GPVALUE, 16)
|
||
|
|
RELOC_NUMBER (R_ALPHA_GPRELHIGH, 17)
|
||
|
|
RELOC_NUMBER (R_ALPHA_GPRELLOW, 18)
|
||
|
|
RELOC_NUMBER (R_ALPHA_IMMED_GP_16, 19)
|
||
|
|
RELOC_NUMBER (R_ALPHA_IMMED_GP_HI32, 20)
|
||
|
|
RELOC_NUMBER (R_ALPHA_IMMED_SCN_HI32, 21)
|
||
|
|
RELOC_NUMBER (R_ALPHA_IMMED_BR_HI32, 22)
|
||
|
|
RELOC_NUMBER (R_ALPHA_IMMED_LO32, 23)
|
||
|
|
|
||
|
|
/* These relocations are specific to shared libraries. */
|
||
|
|
RELOC_NUMBER (R_ALPHA_COPY, 24) /* Copy symbol at runtime */
|
||
|
|
RELOC_NUMBER (R_ALPHA_GLOB_DAT, 25) /* Create GOT entry */
|
||
|
|
RELOC_NUMBER (R_ALPHA_JMP_SLOT, 26) /* Create PLT entry */
|
||
|
|
RELOC_NUMBER (R_ALPHA_RELATIVE, 27) /* Adjust by program base */
|
||
|
|
|
||
|
|
RELOC_NUMBER (R_ALPHA_max, 28)
|
||
|
|
END_RELOC_NUMBERS
|
||
|
|
|
||
|
|
#endif /* _ELF_ALPHA_H */
|