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/**************************************************************************
*
* Copyright (c) 2013 Alcatel-Lucent
*
* Alcatel Lucent licenses this file to You under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. A copy of the License is contained the
* file LICENSE at the top level of this repository.
* You may also obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**************************************************************************
*
* coff.h:
*
* Header file used for the COFF file format of TFS.
*
* Original author: Ed Sutter (ed.sutter@alcatel-lucent.com)
*
*/
#ifndef _COFF_H_
#define _COFF_H_
/* File header... */
struct filehdr {
unsigned short f_magic; /* magic number */
unsigned short f_nscns; /* number of sections */
long f_timdat; /* time & date stamp */
long f_symptr; /* file pointer to symtab */
long f_nsyms; /* number of symtab entries */
unsigned short f_opthdr; /* sizeof(optional hdr) */
unsigned short f_flags; /* flags */
};
#define FILHDR struct filehdr
#define FILHSZ sizeof(FILHDR)
#define F_EXEC 0000002
/* Optional header... */
struct aouthdr {
short magic;
short vstamp; /* version stamp */
long tsize; /* text size in bytes, padded to FW
bdry */
long dsize; /* initialized data " " */
long bsize; /* uninitialized data " " */
long entry; /* entry pt. */
long text_start; /* base of text used for this file */
long data_start; /* base of data used for this file */
};
#define AOUTHDR struct aouthdr
#define AOUTHSZ sizeof(AOUTHDR)
struct scnhdr {
char s_name[8]; /* section name */
long s_paddr; /* physical address */
long s_vaddr; /* virtual address */
long s_size; /* section size */
long s_scnptr; /* file ptr to raw data for section */
long s_relptr; /* file ptr to relocation */
long s_lnnoptr; /* file ptr to line numbers */
unsigned short s_nreloc; /* number of relocation entries */
unsigned short s_nlnno; /* number of line number entries */
long s_flags; /* flags */
};
#define SCNHDR struct scnhdr
#define SCNHSZ sizeof(SCNHDR)
/*
* The low 4 bits of s_flags is used as a section "type"
*/
#define STYP_REG 0x00 /* "regular" section:
allocated, relocated, loaded */
#define STYP_DSECT 0x01 /* "dummy" section:
not allocated, relocated,
not loaded */
#define STYP_NOLOAD 0x02 /* "noload" section:
allocated, relocated,
not loaded */
#define STYP_GROUP 0x04 /* "grouped" section:
formed of input sections */
#define STYP_PAD 0x08 /* "padding" section:
not allocated, not relocated,
loaded */
#define STYP_COPY 0x10 /* "copy" section:
for decision function used
by field update; not
allocated, not relocated,
loaded; reloc & lineno
entries processed normally */
#define STYP_TEXT 0x20 /* section contains text only */
#define STYP_DATA 0x40 /* section contains data only */
#define STYP_BSS 0x80 /* section contains bss only */
#define STYP_INFO 0x0200
#define STYP_LIT 0x8020
#define STYP_ABS 0x4000
#define STYP_BSSREG 0x1200
#define STYP_ENVIR 0x2200
#define ISLOADABLE(flags) \
(flags & (STYP_ABS | STYP_TEXT | STYP_LIT | STYP_DATA))
#define ISBSS(flags) (flags & (STYP_BSS))
#define ISTEXT(flags) (flags & (STYP_TEXT))
#endif
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