binutils-gdb/bfd/libhppa.h

217 lines
5.5 KiB
C

/* HP PA-RISC SOM object file format: definitions internal to BFD.
Copyright (C) 1990-1991 Free Software Foundation, Inc.
Contributed by the Center for Software Science at the
University of Utah (pa-gdb-bugs@cs.utah.edu).
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef _LIBHPPA_H
#define _LIBHPPA_H
#include "../bfd/sysdep.h"
#ifdef HOST_HPPAHPUX
#include <sys/core.h>
#include <sys/utsname.h>
#endif /* HOST_HPPAHPUX */
#ifdef HOST_HPPABSD
/* BSD uses a completely different scheme for object file identification.
so for now, define _PA_RISC_ID to accept any random value for a model
number. */
#include <a.out.h>
/* Not a very swift place to put it, but that's where the BSD port
puts them. */
#include "/hpux/usr/include/sys/core.h"
#ifndef _PA_RISC_ID
#define _PA_RISC_ID(__m_num) 1
#endif
#endif /* HOST_HPPABSD */
/* Defining MAXCOMLEN avoids bringing in several (7 or 8) otherwise
useless include files which tend to clutter up the namespace. */
#define MAXCOMLEN 16
#define BYTES_IN_WORD 4
struct header;
struct som_exec_auxhdr;
struct subspace_dictionary;
#define FILE_HDR_SIZE sizeof(struct header)
#define AUX_HDR_SIZE sizeof(struct som_exec_auxhdr)
typedef struct hppa_symbol
{
asymbol symbol;
short desc;
char other;
unsigned char type;
} hppa_symbol_type;
struct hppadata
{
struct header *file_hdr;
struct som_exec_auxhdr *aux_hdr;
hppa_symbol_type *symbols;
/* We remember these offsets so that after check_file_format, we have
no dependencies on the particular format of the exec_hdr. */
file_ptr sym_filepos;
file_ptr str_filepos;
unsigned stringtab_size;
/* Size of a symbol table entry in external form */
unsigned hp_symbol_entry_size;
};
struct hppa_data_struct {
struct hppadata a;
};
#define padata(bfd) ((bfd)->tdata.hppa_data->a)
#define obj_file_hdr(bfd) (padata(bfd).file_hdr)
#define obj_aux_hdr(bfd) (padata(bfd).aux_hdr)
#define obj_pa_symbols(bfd) (padata(bfd).symbols)
#define obj_sym_filepos(bfd) (padata(bfd).sym_filepos)
#define obj_str_filepos(bfd) (padata(bfd).str_filepos)
#define obj_stringtab_size(bfd) (padata(bfd).stringtab_size)
/* We take the address of the first element of an asymbol to ensure that the
macro is only ever applied to an asymbol */
#define hppa_symbol(asymbol) ((hppa_symbol_type *)(&(asymbol)->the_bfd))
/* These are stored in the bfd's tdata */
struct hppa_core_struct
{
int sig;
char cmd[MAXCOMLEN + 1];
asection *data_section;
asection *stack_section;
asection *reg_section;
};
#define core_hdr(bfd) ((bfd)->tdata.hppa_core_data)
#define core_signal(bfd) (core_hdr(bfd)->sig)
#define core_command(bfd) (core_hdr(bfd)->cmd)
#define core_datasec(bfd) (core_hdr(bfd)->data_section)
#define core_stacksec(bfd) (core_hdr(bfd)->stack_section)
#define core_regsec(bfd) (core_hdr(bfd)->reg_section)
/* HP PA-RISC relocation types */
enum hppa_reloc_field_selector_type
{
R_HPPA_FSEL = 0x0,
R_HPPA_LSSEL = 0x1,
R_HPPA_RSSEL = 0x2,
R_HPPA_LSEL = 0x3,
R_HPPA_RSEL = 0x4,
R_HPPA_LDSEL = 0x5,
R_HPPA_RDSEL = 0x6,
R_HPPA_LRSEL = 0x7,
R_HPPA_RRSEL = 0x8,
R_HPPA_PSEL = 0x9, /* P' : procedure address for shlib's */
R_HPPA_LPSEL = 0xa, /* LP' : L' for procedure addresses */
R_HPPA_RPSEL = 0xb, /* RP' : R' for procedure addresses */
R_HPPA_TSEL = 0xc, /* T' : DLT-relative offset for shlib's */
R_HPPA_LTSEL = 0xd, /* LT' : L' for DLT-relative offsets */
R_HPPA_RTSEL = 0xe /* RT' : R' for DLT-relative offsets */
};
/* Need to undefine things defined in <machine/som.h> */
#undef e_fsel
#undef e_lssel
#undef e_rssel
#undef e_lsel
#undef e_rsel
#undef e_ldsel
#undef e_rdsel
#undef e_lrsel
#undef e_rrsel
#undef e_psel
#undef e_lpsel
#undef e_rpsel
#undef e_tsel
#undef e_ltsel
#undef e_rtsel
#undef e_one
#undef e_two
#undef e_pcrel
#undef e_con
#undef e_plabel
#undef e_abs
/* for compatibility */
enum hppa_reloc_field_selector_type_alt
{
e_fsel = R_HPPA_FSEL,
e_lssel = R_HPPA_LSSEL,
e_rssel = R_HPPA_RSSEL,
e_lsel = R_HPPA_LSEL,
e_rsel = R_HPPA_RSEL,
e_ldsel = R_HPPA_LDSEL,
e_rdsel = R_HPPA_RDSEL,
e_lrsel = R_HPPA_LRSEL,
e_rrsel = R_HPPA_RRSEL,
e_psel = R_HPPA_PSEL, /* P' : procedure address for shlib's */
e_lpsel = R_HPPA_LPSEL, /* LP' : L' for procedure addresses */
e_rpsel = R_HPPA_RPSEL, /* RP' : R' for procedure addresses */
e_tsel = R_HPPA_TSEL, /* T' : DLT-relative offset for shlib's */
e_ltsel = R_HPPA_LTSEL, /* LT' : L' for DLT-relative offsets */
e_rtsel = R_HPPA_RTSEL /* RT' : R' for DLT-relative offsets */
};
enum hppa_reloc_expr_type
{
R_HPPA_E_ONE = 0,
R_HPPA_E_TWO = 1,
R_HPPA_E_PCREL = 2,
R_HPPA_E_CON = 3,
R_HPPA_E_PLABEL = 7,
R_HPPA_E_ABS = 18
};
/* for compatibility */
enum hppa_reloc_expr_type_alt
{
e_one = R_HPPA_E_ONE,
e_two = R_HPPA_E_TWO,
e_pcrel = R_HPPA_E_PCREL,
e_con = R_HPPA_E_CON,
e_plabel = R_HPPA_E_PLABEL,
e_abs = R_HPPA_E_ABS
};
#endif /* _LIBHPPA_H */