[deliverable/binutils-gdb.git] / include / coff / mcore.h

/* Motorolla MCore support for BFD.
   Copyright (C) 1999 Free Software Foundation, Inc.

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 MCore COFF/PE ABI. */

#ifndef _COFF_MORE_H
#define _COFF_MORE_H


#define E_DIMNUM	4	/* # array dimensions in auxiliary entry */

#define IMAGE_REL_MCORE_ABSOLUTE          	0x0000
#define IMAGE_REL_MCORE_ADDR32            	0x0001
#define IMAGE_REL_MCORE_PCREL_IMM8BY4		0x0002
#define IMAGE_REL_MCORE_PCREL_IMM11BY2		0x0003
#define IMAGE_REL_MCORE_PCREL_IMM4BY2		0x0004
#define IMAGE_REL_MCORE_PCREL_32		0x0005
#define IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2	0x0006

#define PEMCORE

typedef struct 
{
  char 	magic      [2];		/* type of file				*/
  char	vstamp     [2];		/* version stamp			*/
  char	tsize      [4];		/* text size in bytes, padded to FW bdry*/
  char	dsize      [4];		/* initialized data "  "		*/
  char	bsize      [4];		/* uninitialized data "   "		*/
  char	entry      [4];		/* entry pt.				*/
  char 	text_start [4];		/* base of text used for this file */
  char 	data_start [4];		/* base of data used for this file */
}
AOUTHDR;

#define AOUTSZ 28
#define AOUTHDRSZ 28

#define OMAGIC          0404    /* object files, eg as output */
#define ZMAGIC          0413    /* demand load format, eg normal ld output */
#define STMAGIC		0401	/* target shlib */
#define SHMAGIC		0443	/* host   shlib */

/* From winnt.h */
#define IMAGE_NT_OPTIONAL_HDR_MAGIC        0x10b


/* Define some NT default values. */
#define NT_SECTION_ALIGNMENT 0x1000
#define NT_FILE_ALIGNMENT    0x200  
#define NT_DEF_RESERVE       0x100000
#define NT_DEF_COMMIT        0x1000


struct external_reloc
{
  char r_vaddr  [4];
  char r_symndx [4];
  char r_type   [2];
  char r_offset [4];
};

#define RELOC struct external_reloc
#define RELSZ 14

#define	MCOREMAGIC	0xb00  /* I just made this up */ 

#define MCOREBADMAG(x) (((x).f_magic!= MCOREMAGIC))

struct external_filehdr
{
  char f_magic  [2];	/* magic number			*/
  char f_nscns  [2];	/* number of sections		*/
  char f_timdat [4];	/* time & date stamp		*/
  char f_symptr [4];	/* file pointer to symtab	*/
  char f_nsyms  [4];	/* number of symtab entries	*/
  char f_opthdr [2];	/* sizeof(optional hdr)		*/
  char f_flags  [2];	/* flags			*/
};

#define	FILHDR	struct external_filehdr
#define	FILHSZ	20


#define E_SYMNMLEN	8	/* # characters in a symbol name	*/
#define E_FILNMLEN	14	/* # characters in a file name		*/
#define E_DIMNUM	4	/* # array dimensions in auxiliary entry */

struct external_syment 
{
  union
  {
    char e_name [E_SYMNMLEN];
    struct
    {
      char e_zeroes [4];
      char e_offset [4];
    } e;
  } e;
  
  char e_value  [4];
  char e_scnum  [2];
  char e_type   [2];
  char e_sclass [1];
  char e_numaux [1];
};

#define N_BTMASK	0xf
#define N_TMASK		0x30
#define N_BTSHFT	4
#define N_TSHIFT	2

union external_auxent
{
  struct
  {
    char x_tagndx [4];		/* str, un, or enum tag indx */
    
    union
    {
      struct
      {
	char  x_lnno [2]; 	/* declaration line number */
	char  x_size [2]; 	/* str/union/array size */
      } x_lnsz;

      char x_fsize [4];		/* size of function */

    } x_misc;

    union
    {
      struct 			/* if ISFCN, tag, or .bb */
      {
	char x_lnnoptr [4];	/* ptr to fcn line # */
	char x_endndx  [4];	/* entry ndx past block end */
      } x_fcn;

      struct 			/* if ISARY, up to 4 dimen. */
      {
	char x_dimen [E_DIMNUM][2];
      } x_ary;
      
    } x_fcnary;

    char x_tvndx [2];		/* tv index */

  } x_sym;

  union
  {
    char x_fname [E_FILNMLEN];
    
    struct
    {
      char x_zeroes [4];
      char x_offset [4];
    } x_n;
    
  } x_file;

  struct
  {
    char x_scnlen     [4];	/* section length */
    char x_nreloc     [2];	/* # relocation entries */
    char x_nlinno     [2];	/* # line numbers */
    char x_checksum   [4];	/* section COMDAT checksum */
    char x_associated [2];	/* COMDAT associated section index */
    char x_comdat     [1];	/* COMDAT selection number */
  } x_scn;

  struct
  {
    char x_tvfill [4];		/* tv fill value */
    char x_tvlen  [2];		/* length of .tv */
    char x_tvran  [2][2];	/* tv range */
  } x_tv;			/* info about .tv section (in auxent of symbol .tv)) */
};

#define	SYMENT	struct external_syment
#define	SYMESZ	18	
#define	AUXENT	union external_auxent
#define	AUXESZ	18

/* 1 line number entry for every "breakpointable" source line in a section.
   Line numbers are grouped on a per function basis; first entry in a function
   grouping will have l_lnno = 0 and in place of physical address will be the
   symbol table index of the function name.  */
struct external_lineno
{
  union
  {
    char l_symndx [4];	/* function name symbol index, iff l_lnno == 0*/
    char l_paddr  [4];	/* (physical) address of line number	*/
  } l_addr;

  char l_lnno [2];	/* line number		*/
};

#define	LINENO	struct external_lineno
#define	LINESZ	6

#define GET_LINENO_LNNO(abfd, ext)     bfd_h_get_32 (abfd, (bfd_byte *) (ext->l_lnno));
#define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_32 (abfd, val, (bfd_byte *) (ext->l_lnno));

struct external_scnhdr
{
  char	s_name    [8];	/* section name			*/
  char	s_paddr   [4];	/* physical address, aliased s_nlib */
  char	s_vaddr   [4];	/* virtual address		*/
  char	s_size    [4];	/* section size			*/
  char	s_scnptr  [4];	/* file ptr to raw data for section */
  char	s_relptr  [4];	/* file ptr to relocation	*/
  char	s_lnnoptr [4];	/* file ptr to line numbers	*/
  char	s_nreloc  [2];	/* number of relocation entries	*/
  char	s_nlnno   [2];	/* number of line number entries*/
  char	s_flags   [4];	/* flags			*/
};

#define	SCNHDR	struct external_scnhdr
#define	SCNHSZ	40

/* Names of "special" sections.  */
#define _TEXT	".text"
#define _DATA	".data"
#define _BSS	".bss"


#endif /* __COFF_MCORE_H */
Commit	Line	Data
252b5132 RH	1	/* Motorolla MCore support for BFD.
	2	Copyright (C) 1999 Free Software Foundation, Inc.
	3
	4	This file is part of BFD, the Binary File Descriptor library.
	5
	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2 of the License, or
	9	(at your option) any later version.
	10
	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
	18	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
	19
	20	/* This file holds definitions specific to the MCore COFF/PE ABI. */
	21
	22	#ifndef _COFF_MORE_H
	23	#define _COFF_MORE_H
	24
	25
	26	#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
	27
	28	#define IMAGE_REL_MCORE_ABSOLUTE 0x0000
	29	#define IMAGE_REL_MCORE_ADDR32 0x0001
	30	#define IMAGE_REL_MCORE_PCREL_IMM8BY4 0x0002
	31	#define IMAGE_REL_MCORE_PCREL_IMM11BY2 0x0003
	32	#define IMAGE_REL_MCORE_PCREL_IMM4BY2 0x0004
	33	#define IMAGE_REL_MCORE_PCREL_32 0x0005
	34	#define IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2 0x0006
	35
	36	#define PEMCORE
	37
	38	typedef struct
	39	{
	40	char magic [2]; /* type of file */
	41	char vstamp [2]; /* version stamp */
	42	char tsize [4]; /* text size in bytes, padded to FW bdry*/
	43	char dsize [4]; /* initialized data " " */
	44	char bsize [4]; /* uninitialized data " " */
	45	char entry [4]; /* entry pt. */
	46	char text_start [4]; /* base of text used for this file */
	47	char data_start [4]; /* base of data used for this file */
	48	}
	49	AOUTHDR;
	50
	51	#define AOUTSZ 28
	52	#define AOUTHDRSZ 28
	53
	54	#define OMAGIC 0404 /* object files, eg as output */
	55	#define ZMAGIC 0413 /* demand load format, eg normal ld output */
	56	#define STMAGIC 0401 /* target shlib */
	57	#define SHMAGIC 0443 /* host shlib */
	58
	59	/* From winnt.h */
	60	#define IMAGE_NT_OPTIONAL_HDR_MAGIC 0x10b
	61
	62
	63	/* Define some NT default values. */
	64	#define NT_SECTION_ALIGNMENT 0x1000
65	#define NT_FILE_ALIGNMENT 0x200
66	#define NT_DEF_RESERVE 0x100000
67	#define NT_DEF_COMMIT 0x1000
68
69
70	struct external_reloc
71	{
72	char r_vaddr [4];
73	char r_symndx [4];
74	char r_type [2];
75	char r_offset [4];
76	};
77
78	#define RELOC struct external_reloc
79	#define RELSZ 14
80
81	#define MCOREMAGIC 0xb00 /* I just made this up */
82
83	#define MCOREBADMAG(x) (((x).f_magic!= MCOREMAGIC))
84
85	struct external_filehdr
86	{
87	char f_magic [2]; /* magic number */
88	char f_nscns [2]; /* number of sections */
89	char f_timdat [4]; /* time & date stamp */
90	char f_symptr [4]; /* file pointer to symtab */
91	char f_nsyms [4]; /* number of symtab entries */
92	char f_opthdr [2]; /* sizeof(optional hdr) */
93	char f_flags [2]; /* flags */
94	};
95
96	#define FILHDR struct external_filehdr
97	#define FILHSZ 20
98
99
100	#define E_SYMNMLEN 8 /* # characters in a symbol name */
101	#define E_FILNMLEN 14 /* # characters in a file name */
102	#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
103
104	struct external_syment
105	{
106	union
107	{
108	char e_name [E_SYMNMLEN];
109	struct
110	{
111	char e_zeroes [4];
112	char e_offset [4];
113	} e;
114	} e;
115
116	char e_value [4];
117	char e_scnum [2];
118	char e_type [2];
119	char e_sclass [1];
120	char e_numaux [1];
121	};
122
123	#define N_BTMASK 0xf
124	#define N_TMASK 0x30
125	#define N_BTSHFT 4
126	#define N_TSHIFT 2
127
128	union external_auxent
129	{
130	struct
131	{
132	char x_tagndx [4]; /* str, un, or enum tag indx */
133
134	union
135	{
136	struct
137	{
138	char x_lnno [2]; /* declaration line number */
139	char x_size [2]; /* str/union/array size */
140	} x_lnsz;
141
142	char x_fsize [4]; /* size of function */
143
144	} x_misc;
145
146	union
147	{
148	struct /* if ISFCN, tag, or .bb */
149	{
150	char x_lnnoptr [4]; /* ptr to fcn line # */
151	char x_endndx [4]; /* entry ndx past block end */
152	} x_fcn;
153
154	struct /* if ISARY, up to 4 dimen. */
155	{
156	char x_dimen [E_DIMNUM][2];
157	} x_ary;
158
159	} x_fcnary;
160
161	char x_tvndx [2]; /* tv index */
162
163	} x_sym;
164
165	union
166	{
167	char x_fname [E_FILNMLEN];
168
169	struct
170	{
171	char x_zeroes [4];
172	char x_offset [4];
173	} x_n;
174
175	} x_file;
176
177	struct
178	{
179	char x_scnlen [4]; /* section length */
180	char x_nreloc [2]; /* # relocation entries */
181	char x_nlinno [2]; /* # line numbers */
182	char x_checksum [4]; /* section COMDAT checksum */
183	char x_associated [2]; /* COMDAT associated section index */
184	char x_comdat [1]; /* COMDAT selection number */
185	} x_scn;
186
187	struct
188	{
189	char x_tvfill [4]; /* tv fill value */
190	char x_tvlen [2]; /* length of .tv */
191	char x_tvran [2][2]; /* tv range */
192	} x_tv; /* info about .tv section (in auxent of symbol .tv)) */
193	};
194
195	#define SYMENT struct external_syment
196	#define SYMESZ 18
197	#define AUXENT union external_auxent
198	#define AUXESZ 18
199
200	/* 1 line number entry for every "breakpointable" source line in a section.
201	Line numbers are grouped on a per function basis; first entry in a function
202	grouping will have l_lnno = 0 and in place of physical address will be the
203	symbol table index of the function name. */
204	struct external_lineno
205	{
206	union
207	{
208	char l_symndx [4]; /* function name symbol index, iff l_lnno == 0*/
209	char l_paddr [4]; /* (physical) address of line number */
210	} l_addr;
211
212	char l_lnno [2]; /* line number */
213	};
214
215	#define LINENO struct external_lineno
216	#define LINESZ 6
217
218	#define GET_LINENO_LNNO(abfd, ext) bfd_h_get_32 (abfd, (bfd_byte *) (ext->l_lnno));
219	#define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_32 (abfd, val, (bfd_byte *) (ext->l_lnno));
220
221	struct external_scnhdr
222	{
223	char s_name [8]; /* section name */
224	char s_paddr [4]; /* physical address, aliased s_nlib */
225	char s_vaddr [4]; /* virtual address */
226	char s_size [4]; /* section size */
227	char s_scnptr [4]; /* file ptr to raw data for section */
228	char s_relptr [4]; /* file ptr to relocation */
229	char s_lnnoptr [4]; /* file ptr to line numbers */
230	char s_nreloc [2]; /* number of relocation entries */
231	char s_nlnno [2]; /* number of line number entries*/
232	char s_flags [4]; /* flags */
233	};
234
235	#define SCNHDR struct external_scnhdr
236	#define SCNHSZ 40
237
238	/* Names of "special" sections. */
239	#define _TEXT ".text"
240	#define _DATA ".data"
241	#define _BSS ".bss"
242
243
244
245	#endif /* __COFF_MCORE_H */