sparc.h

这个是LINUX下的GDB调度工具的源码

/* SPARC ELF support for BFD.
   Copyright 1996, 1997, 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
   By Doug Evans, Cygnus Support, <[e-mail]>.

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.  */

#ifndef _ELF_SPARC_H
#define _ELF_SPARC_H

/* Processor specific flags for the ELF header e_flags field.  */

/* These are defined by Sun.  */

#define EF_SPARC_32PLUS_MASK	0xffff00	/* bits indicating V8+ type */
#define EF_SPARC_32PLUS		0x000100	/* generic V8+ features */
#define EF_SPARC_SUN_US1	0x000200	/* Sun UltraSPARC1 extensions */
#define EF_SPARC_HAL_R1		0x000400	/* HAL R1 extensions */
#define EF_SPARC_SUN_US3	0x000800	/* Sun UltraSPARCIII extensions */

#define EF_SPARC_LEDATA         0x800000	/* little endian data */

/* This name is used in the V9 ABI.  */
#define EF_SPARC_EXT_MASK	0xffff00	/* reserved for vendor extensions */

/* V9 memory models */
#define EF_SPARCV9_MM		0x3		/* memory model mask */
#define EF_SPARCV9_TSO		0x0		/* total store ordering */
#define EF_SPARCV9_PSO		0x1		/* partial store ordering */
#define EF_SPARCV9_RMO		0x2		/* relaxed store ordering */

/* Section indices.  */

#define SHN_BEFORE		0xff00		/* used with SHF_ORDERED */
#define SHN_AFTER		0xff01		/* used with SHF_ORDERED */

/* Section flags.  */

#define SHF_EXCLUDE		0x80000000	/* exclude from linking */
#define SHF_ORDERED		0x40000000	/* treat sh_link,sh_info specially */

/* Symbol types.  */

#define STT_REGISTER		13		/* global reg reserved to app. */

#include "elf/reloc-macros.h"

/* Relocation types.  */
START_RELOC_NUMBERS (elf_sparc_reloc_type)
  RELOC_NUMBER (R_SPARC_NONE, 0)
  RELOC_NUMBER (R_SPARC_8, 1)
  RELOC_NUMBER (R_SPARC_16, 2)
  RELOC_NUMBER (R_SPARC_32, 3)
  RELOC_NUMBER (R_SPARC_DISP8, 4)
  RELOC_NUMBER (R_SPARC_DISP16, 5)
  RELOC_NUMBER (R_SPARC_DISP32, 6)
  RELOC_NUMBER (R_SPARC_WDISP30, 7)
  RELOC_NUMBER (R_SPARC_WDISP22, 8)
  RELOC_NUMBER (R_SPARC_HI22, 9)
  RELOC_NUMBER (R_SPARC_22, 10)
  RELOC_NUMBER (R_SPARC_13, 11)
  RELOC_NUMBER (R_SPARC_LO10, 12)
  RELOC_NUMBER (R_SPARC_GOT10, 13)
  RELOC_NUMBER (R_SPARC_GOT13, 14)
  RELOC_NUMBER (R_SPARC_GOT22, 15)
  RELOC_NUMBER (R_SPARC_PC10, 16)
  RELOC_NUMBER (R_SPARC_PC22, 17)
  RELOC_NUMBER (R_SPARC_WPLT30, 18)
  RELOC_NUMBER (R_SPARC_COPY, 19)
  RELOC_NUMBER (R_SPARC_GLOB_DAT, 20)
  RELOC_NUMBER (R_SPARC_JMP_SLOT, 21)
  RELOC_NUMBER (R_SPARC_RELATIVE, 22)
  RELOC_NUMBER (R_SPARC_UA32, 23)

  /* ??? These 6 relocs are new but not currently used.  For binary
     compatibility in the sparc64-elf toolchain, we leave them out.
     A non-binary upward compatible change is expected for sparc64-elf.  */
#ifndef SPARC64_OLD_RELOCS
  /* ??? New relocs on the UltraSPARC.  Not sure what they're for yet.  */
  RELOC_NUMBER (R_SPARC_PLT32, 24)
  RELOC_NUMBER (R_SPARC_HIPLT22, 25)
  RELOC_NUMBER (R_SPARC_LOPLT10, 26)
  RELOC_NUMBER (R_SPARC_PCPLT32, 27)
  RELOC_NUMBER (R_SPARC_PCPLT22, 28)
  RELOC_NUMBER (R_SPARC_PCPLT10, 29)
#endif

  /* v9 relocs */
  RELOC_NUMBER (R_SPARC_10, 30)
  RELOC_NUMBER (R_SPARC_11, 31)
  RELOC_NUMBER (R_SPARC_64, 32)
  RELOC_NUMBER (R_SPARC_OLO10, 33)
  RELOC_NUMBER (R_SPARC_HH22, 34)
  RELOC_NUMBER (R_SPARC_HM10, 35)
  RELOC_NUMBER (R_SPARC_LM22, 36)
  RELOC_NUMBER (R_SPARC_PC_HH22, 37)
  RELOC_NUMBER (R_SPARC_PC_HM10, 38)
  RELOC_NUMBER (R_SPARC_PC_LM22, 39)
  RELOC_NUMBER (R_SPARC_WDISP16, 40)
  RELOC_NUMBER (R_SPARC_WDISP19, 41)
  RELOC_NUMBER (R_SPARC_UNUSED_42, 42)
  RELOC_NUMBER (R_SPARC_7, 43)
  RELOC_NUMBER (R_SPARC_5, 44)
  RELOC_NUMBER (R_SPARC_6, 45)
  RELOC_NUMBER (R_SPARC_DISP64, 46)
  RELOC_NUMBER (R_SPARC_PLT64, 47)
  RELOC_NUMBER (R_SPARC_HIX22, 48)
  RELOC_NUMBER (R_SPARC_LOX10, 49)
  RELOC_NUMBER (R_SPARC_H44, 50)
  RELOC_NUMBER (R_SPARC_M44, 51)
  RELOC_NUMBER (R_SPARC_L44, 52)
  RELOC_NUMBER (R_SPARC_REGISTER, 53)
  RELOC_NUMBER (R_SPARC_UA64, 54)
  RELOC_NUMBER (R_SPARC_UA16, 55)

  RELOC_NUMBER (R_SPARC_TLS_GD_HI22, 56)
  RELOC_NUMBER (R_SPARC_TLS_GD_LO10, 57)
  RELOC_NUMBER (R_SPARC_TLS_GD_ADD, 58)
  RELOC_NUMBER (R_SPARC_TLS_GD_CALL, 59)
  RELOC_NUMBER (R_SPARC_TLS_LDM_HI22, 60)
  RELOC_NUMBER (R_SPARC_TLS_LDM_LO10, 61)
  RELOC_NUMBER (R_SPARC_TLS_LDM_ADD, 62)
  RELOC_NUMBER (R_SPARC_TLS_LDM_CALL, 63)
  RELOC_NUMBER (R_SPARC_TLS_LDO_HIX22, 64)
  RELOC_NUMBER (R_SPARC_TLS_LDO_LOX10, 65)
  RELOC_NUMBER (R_SPARC_TLS_LDO_ADD, 66)
  RELOC_NUMBER (R_SPARC_TLS_IE_HI22, 67)
  RELOC_NUMBER (R_SPARC_TLS_IE_LO10, 68)
  RELOC_NUMBER (R_SPARC_TLS_IE_LD, 69)
  RELOC_NUMBER (R_SPARC_TLS_IE_LDX, 70)
  RELOC_NUMBER (R_SPARC_TLS_IE_ADD, 71)
  RELOC_NUMBER (R_SPARC_TLS_LE_HIX22, 72)
  RELOC_NUMBER (R_SPARC_TLS_LE_LOX10, 73)
  RELOC_NUMBER (R_SPARC_TLS_DTPMOD32, 74)
  RELOC_NUMBER (R_SPARC_TLS_DTPMOD64, 75)
  RELOC_NUMBER (R_SPARC_TLS_DTPOFF32, 76)
  RELOC_NUMBER (R_SPARC_TLS_DTPOFF64, 77)
  RELOC_NUMBER (R_SPARC_TLS_TPOFF32, 78)
  RELOC_NUMBER (R_SPARC_TLS_TPOFF64, 79)
  
  EMPTY_RELOC  (R_SPARC_max_std)

  RELOC_NUMBER (R_SPARC_GNU_VTINHERIT, 250)
  RELOC_NUMBER (R_SPARC_GNU_VTENTRY, 251)
  RELOC_NUMBER (R_SPARC_REV32, 252)

END_RELOC_NUMBERS (R_SPARC_max)

/* Relocation macros.  */

#define ELF64_R_TYPE_DATA(info) \
  (((bfd_signed_vma)(ELF64_R_TYPE(info) >> 8) ^ 0x800000) - 0x800000)
#define ELF64_R_TYPE_ID(info) \
  ((info) & 0xff)
#define ELF64_R_TYPE_INFO(data, type) \
  (((bfd_vma) ((data) & 0xffffff) << 8) | (bfd_vma) (type))

/* Values for Elf64_Dyn.d_tag.  */

#define DT_SPARC_REGISTER	0x70000001

#endif /* _ELF_SPARC_H */