[deliverable/binutils-gdb.git] / bfd / libhppa.h

/* 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.  */

#include <sys/core.h>
#include <sys/utsname.h>

#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	*/

};

/* 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
};
Commit	Line	Data
76c7e44d SG	1	/* HP PA-RISC SOM object file format: definitions internal to BFD.
	2	Copyright (C) 1990-1991 Free Software Foundation, Inc.
	3
	4	Contributed by the Center for Software Science at the
	5	University of Utah (pa-gdb-bugs@cs.utah.edu).
	6
	7	This file is part of BFD, the Binary File Descriptor library.
	8
	9	This program is free software; you can redistribute it and/or modify
	10	it under the terms of the GNU General Public License as published by
	11	the Free Software Foundation; either version 2 of the License, or
	12	(at your option) any later version.
	13
	14	This program is distributed in the hope that it will be useful,
	15	but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	GNU General Public License for more details.
	18
	19	You should have received a copy of the GNU General Public License
	20	along with this program; if not, write to the Free Software
	21	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
	22
205d660d SG	23	#include <sys/core.h>
	24	#include <sys/utsname.h>
	25
76c7e44d SG	26	#define BYTES_IN_WORD 4
	27
	28	struct header;
	29	struct som_exec_auxhdr;
	30	struct subspace_dictionary;
	31
76c7e44d SG	32	#define FILE_HDR_SIZE sizeof(struct header)
	33	#define AUX_HDR_SIZE sizeof(struct som_exec_auxhdr)
	34
76c7e44d SG	35	typedef struct hppa_symbol
	36	{
	37	asymbol symbol;
	38	short desc;
	39	char other;
	40	unsigned char type;
	41	} hppa_symbol_type;
	42
	43	struct hppadata
	44	{
	45	struct header *file_hdr;
	46	struct som_exec_auxhdr *aux_hdr;
	47	hppa_symbol_type *symbols;
	48
76c7e44d SG	49	/* We remember these offsets so that after check_file_format, we have
76c7e44d SG	50	no dependencies on the particular format of the exec_hdr. */
76c7e44d	51
8568acaa KR	52	file_ptr sym_filepos;
8568acaa KR	53	file_ptr str_filepos;
76c7e44d	54
8568acaa	55	unsigned stringtab_size;
76c7e44d SG	56
76c7e44d SG	57	/* Size of a symbol table entry in external form */
76c7e44d SG	58	unsigned hp_symbol_entry_size;
	59	};
	60
	61	struct hppa_data_struct {
	62	struct hppadata a;
	63	};
	64
8568acaa KR	65	#define padata(bfd) ((bfd)->tdata.hppa_data->a)
	66	#define obj_file_hdr(bfd) (padata(bfd).file_hdr)
	67	#define obj_aux_hdr(bfd) (padata(bfd).aux_hdr)
	68	#define obj_pa_symbols(bfd) (padata(bfd).symbols)
	69	#define obj_sym_filepos(bfd) (padata(bfd).sym_filepos)
	70	#define obj_str_filepos(bfd) (padata(bfd).str_filepos)
	71	#define obj_stringtab_size(bfd) (padata(bfd).stringtab_size)
76c7e44d SG	72
	73	/* We take the address of the first element of an asymbol to ensure that the
	74	macro is only ever applied to an asymbol */
	75	#define hppa_symbol(asymbol) ((hppa_symbol_type *)(&(asymbol)->the_bfd))
	76
	77
	78	/* These are stored in the bfd's tdata */
205d660d	79
76c7e44d SG	80	struct hppa_core_struct
76c7e44d SG	81	{
205d660d SG	82	int sig;
205d660d SG	83	char cmd[MAXCOMLEN + 1];
76c7e44d SG	84	asection *data_section;
	85	asection *stack_section;
	86	asection *reg_section;
	87	};
	88
205d660d SG	89	#define core_hdr(bfd) ((bfd)->tdata.hppa_core_data)
	90	#define core_signal(bfd) (core_hdr(bfd)->sig)
	91	#define core_command(bfd) (core_hdr(bfd)->cmd)
	92	#define core_datasec(bfd) (core_hdr(bfd)->data_section)
	93	#define core_stacksec(bfd) (core_hdr(bfd)->stack_section)
	94	#define core_regsec(bfd) (core_hdr(bfd)->reg_section)
8568acaa KR	95
	96	/* HP PA-RISC relocation types */
	97
	98	enum hppa_reloc_field_selector_type
	99	{
	100	R_HPPA_FSEL = 0x0,
	101	R_HPPA_LSSEL = 0x1,
	102	R_HPPA_RSSEL = 0x2,
	103	R_HPPA_LSEL = 0x3,
	104	R_HPPA_RSEL = 0x4,
	105	R_HPPA_LDSEL = 0x5,
	106	R_HPPA_RDSEL = 0x6,
	107	R_HPPA_LRSEL = 0x7,
	108	R_HPPA_RRSEL = 0x8,
	109	R_HPPA_PSEL = 0x9, /* P' : procedure address for shlib's */
	110	R_HPPA_LPSEL = 0xa, /* LP' : L' for procedure addresses */
	111	R_HPPA_RPSEL = 0xb, /* RP' : R' for procedure addresses */
	112
	113	R_HPPA_TSEL = 0xc, /* T' : DLT-relative offset for shlib's */
	114	R_HPPA_LTSEL = 0xd, /* LT' : L' for DLT-relative offsets */
	115	R_HPPA_RTSEL = 0xe /* RT' : R' for DLT-relative offsets */
	116
	117	};
	118
	119	/* for compatibility */
	120	enum hppa_reloc_field_selector_type_alt
	121	{
	122	e_fsel = R_HPPA_FSEL,
	123	e_lssel = R_HPPA_LSSEL,
	124	e_rssel = R_HPPA_RSSEL,
	125	e_lsel = R_HPPA_LSEL,
	126	e_rsel = R_HPPA_RSEL,
	127	e_ldsel = R_HPPA_LDSEL,
	128	e_rdsel = R_HPPA_RDSEL,
	129	e_lrsel = R_HPPA_LRSEL,
	130	e_rrsel = R_HPPA_RRSEL,
	131	e_psel = R_HPPA_PSEL, /* P' : procedure address for shlib's */
	132	e_lpsel = R_HPPA_LPSEL, /* LP' : L' for procedure addresses */
	133	e_rpsel = R_HPPA_RPSEL, /* RP' : R' for procedure addresses */
	134
	135	e_tsel = R_HPPA_TSEL, /* T' : DLT-relative offset for shlib's */
	136	e_ltsel = R_HPPA_LTSEL, /* LT' : L' for DLT-relative offsets */
	137	e_rtsel = R_HPPA_RTSEL /* RT' : R' for DLT-relative offsets */
	138	};
	139
	140	enum hppa_reloc_expr_type
	141	{
	142	R_HPPA_E_ONE = 0,
	143	R_HPPA_E_TWO = 1,
	144	R_HPPA_E_PCREL = 2,
	145	R_HPPA_E_CON = 3,
	146	R_HPPA_E_PLABEL = 7,
	147	R_HPPA_E_ABS = 18
	148	};
	149
	150	/* for compatibility */
	151	enum hppa_reloc_expr_type_alt
	152	{
	153	e_one = R_HPPA_E_ONE,
	154	e_two = R_HPPA_E_TWO,
	155	e_pcrel = R_HPPA_E_PCREL,
	156	e_con = R_HPPA_E_CON,
	157	e_plabel = R_HPPA_E_PLABEL,
	158	e_abs = R_HPPA_E_ABS
159	};