209 lines
5.3 KiB
C
209 lines
5.3 KiB
C
/* HP PA-RISC SOM object file format: definitions internal to BFD.
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Copyright (C) 1990-1991 Free Software Foundation, Inc.
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Contributed by the Center for Software Science at the
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University of Utah (pa-gdb-bugs@cs.utah.edu).
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifndef _LIBHPPA_H
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#define _LIBHPPA_H
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#include "sysdep.h"
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#ifdef HOST_HPPAHPUX
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#include <sys/core.h>
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#include <sys/utsname.h>
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#endif /* HOST_HPPAHPUX */
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#ifdef HOST_HPPABSD
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/* Defining MAXCOMLEN avoids bringing in several (7 or 8) otherwise
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useless include files which tend to clutter up the namespace.
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BSD uses a completely different scheme for object file identification.
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so for now, define _PA_RISC_ID to accept any random value for a model
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number. */
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#include <a.out.h>
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#define MAXCOMLEN 16
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#define _PA_RISC_ID(__m_num) 1
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#endif /* HOST_HPPABSD */
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#define BYTES_IN_WORD 4
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struct header;
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struct som_exec_auxhdr;
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struct subspace_dictionary;
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#define FILE_HDR_SIZE sizeof(struct header)
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#define AUX_HDR_SIZE sizeof(struct som_exec_auxhdr)
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typedef struct hppa_symbol
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{
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asymbol symbol;
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short desc;
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char other;
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unsigned char type;
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} hppa_symbol_type;
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struct hppadata
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{
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struct header *file_hdr;
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struct som_exec_auxhdr *aux_hdr;
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hppa_symbol_type *symbols;
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/* We remember these offsets so that after check_file_format, we have
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no dependencies on the particular format of the exec_hdr. */
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file_ptr sym_filepos;
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file_ptr str_filepos;
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unsigned stringtab_size;
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/* Size of a symbol table entry in external form */
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unsigned hp_symbol_entry_size;
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};
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struct hppa_data_struct {
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struct hppadata a;
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};
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#define padata(bfd) ((bfd)->tdata.hppa_data->a)
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#define obj_file_hdr(bfd) (padata(bfd).file_hdr)
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#define obj_aux_hdr(bfd) (padata(bfd).aux_hdr)
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#define obj_pa_symbols(bfd) (padata(bfd).symbols)
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#define obj_sym_filepos(bfd) (padata(bfd).sym_filepos)
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#define obj_str_filepos(bfd) (padata(bfd).str_filepos)
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#define obj_stringtab_size(bfd) (padata(bfd).stringtab_size)
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/* We take the address of the first element of an asymbol to ensure that the
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macro is only ever applied to an asymbol */
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#define hppa_symbol(asymbol) ((hppa_symbol_type *)(&(asymbol)->the_bfd))
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/* These are stored in the bfd's tdata */
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struct hppa_core_struct
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{
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int sig;
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char cmd[MAXCOMLEN + 1];
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asection *data_section;
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asection *stack_section;
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asection *reg_section;
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};
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#define core_hdr(bfd) ((bfd)->tdata.hppa_core_data)
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#define core_signal(bfd) (core_hdr(bfd)->sig)
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#define core_command(bfd) (core_hdr(bfd)->cmd)
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#define core_datasec(bfd) (core_hdr(bfd)->data_section)
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#define core_stacksec(bfd) (core_hdr(bfd)->stack_section)
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#define core_regsec(bfd) (core_hdr(bfd)->reg_section)
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/* HP PA-RISC relocation types */
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enum hppa_reloc_field_selector_type
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{
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R_HPPA_FSEL = 0x0,
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R_HPPA_LSSEL = 0x1,
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R_HPPA_RSSEL = 0x2,
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R_HPPA_LSEL = 0x3,
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R_HPPA_RSEL = 0x4,
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R_HPPA_LDSEL = 0x5,
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R_HPPA_RDSEL = 0x6,
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R_HPPA_LRSEL = 0x7,
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R_HPPA_RRSEL = 0x8,
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R_HPPA_PSEL = 0x9, /* P' : procedure address for shlib's */
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R_HPPA_LPSEL = 0xa, /* LP' : L' for procedure addresses */
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R_HPPA_RPSEL = 0xb, /* RP' : R' for procedure addresses */
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R_HPPA_TSEL = 0xc, /* T' : DLT-relative offset for shlib's */
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R_HPPA_LTSEL = 0xd, /* LT' : L' for DLT-relative offsets */
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R_HPPA_RTSEL = 0xe /* RT' : R' for DLT-relative offsets */
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};
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/* Need to undefine things defined in <machine/som.h> */
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#undef e_fsel
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#undef e_lssel
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#undef e_rssel
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#undef e_lsel
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#undef e_rsel
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#undef e_ldsel
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#undef e_rdsel
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#undef e_lrsel
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#undef e_rrsel
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#undef e_psel
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#undef e_lpsel
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#undef e_rpsel
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#undef e_tsel
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#undef e_ltsel
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#undef e_rtsel
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#undef e_one
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#undef e_two
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#undef e_pcrel
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#undef e_con
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#undef e_plabel
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#undef e_abs
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/* for compatibility */
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enum hppa_reloc_field_selector_type_alt
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{
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e_fsel = R_HPPA_FSEL,
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e_lssel = R_HPPA_LSSEL,
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e_rssel = R_HPPA_RSSEL,
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e_lsel = R_HPPA_LSEL,
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e_rsel = R_HPPA_RSEL,
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e_ldsel = R_HPPA_LDSEL,
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e_rdsel = R_HPPA_RDSEL,
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e_lrsel = R_HPPA_LRSEL,
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e_rrsel = R_HPPA_RRSEL,
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e_psel = R_HPPA_PSEL, /* P' : procedure address for shlib's */
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e_lpsel = R_HPPA_LPSEL, /* LP' : L' for procedure addresses */
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e_rpsel = R_HPPA_RPSEL, /* RP' : R' for procedure addresses */
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e_tsel = R_HPPA_TSEL, /* T' : DLT-relative offset for shlib's */
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e_ltsel = R_HPPA_LTSEL, /* LT' : L' for DLT-relative offsets */
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e_rtsel = R_HPPA_RTSEL /* RT' : R' for DLT-relative offsets */
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};
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enum hppa_reloc_expr_type
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{
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R_HPPA_E_ONE = 0,
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R_HPPA_E_TWO = 1,
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R_HPPA_E_PCREL = 2,
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R_HPPA_E_CON = 3,
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R_HPPA_E_PLABEL = 7,
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R_HPPA_E_ABS = 18
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};
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/* for compatibility */
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enum hppa_reloc_expr_type_alt
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{
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e_one = R_HPPA_E_ONE,
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e_two = R_HPPA_E_TWO,
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e_pcrel = R_HPPA_E_PCREL,
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e_con = R_HPPA_E_CON,
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e_plabel = R_HPPA_E_PLABEL,
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e_abs = R_HPPA_E_ABS
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};
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#endif /* _LIBHPPA_H */
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