80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
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/* Copyright (C) 1986-2001 by Digital Mars. $Revision: 1.1.1.1 $ */
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#if __SC__ || __RCC__
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#pragma once
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#endif
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#ifndef __SCNHDR_H
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#define __SCNHDR_H 1
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/* Used when dealing with COFF files. */
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#if __cplusplus
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extern "C" {
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#endif
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struct scnhdr
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{
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char s_name[8]; /* Section name, (.text, .data, .bss). */
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long s_paddr; /* Physical address. */
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long s_vaddr; /* Virtual address. */
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long s_size; /* Section size. */
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long s_scnptr; /* File ptr to raw data for section. */
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long s_relptr; /* File ptr to relocation. */
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long s_lnnoptr; /* File ptr to line numbers. */
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unsigned short s_nreloc; /* Number of relocation entries. */
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unsigned short s_nlnno; /* Number of line number entries. */
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long s_flags; /* Type and content. */
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};
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#define SCNHDR struct scnhdr
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#define SCNHSZ sizeof(SCNHDR)
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/* Constants for names of special sections. */
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#define _BSS ".bss"
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#define _DATA ".data"
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#define _FINI ".fini"
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#define _INIT ".init"
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#define _TEXT ".text"
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#define _TV ".tv"
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#define _COMM ".comment"
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/* Section numbers for main sections */
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#define COFF_TEXT 1
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#define COFF_DATA 2
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#define COFF_BSS 3
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#define COFF_COMMENT 4
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#define COFF_STIDATA 5 /* For static constructor function pointers */
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#define COFF_STDDATA 6 /* For static destructors function pointers */
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#define COFF_MAX_SCNS 6 /* Total number of possible sections */
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/* s_flags -- The lower 2 bytes are the section type, upper 2 bytes are
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section handling. */
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#define STYP_REG 0x00 /* regular section: allocated, relocated, */
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/* loaded */
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#define STYP_DSECT 0x01 /* dummy section: not allocated, relocated, */
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/* not loaded */
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#define STYP_NOLOAD 0x02 /* noload section: allocated, relocated, */
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/* not loaded */
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#define STYP_GROUP 0x04 /* grouped section: formed of input sections */
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#define STYP_PAD 0x08 /* padding section: not allocated, not */
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/* relocated, loaded */
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#define STYP_COPY 0x10 /* copy section: for decision function used */
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/* by field update; not allocated, not */
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/* relocated, loaded; reloc & lineno entries */
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/* processed normally */
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#define STYP_TEXT 0x20 /* text only */
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#define STYP_DATA 0x40 /* data only */
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#define STYP_BSS 0x80 /* bss only */
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#define STYP_INFO 0x200 /* comment section : not allocated not */
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/* relocated, not loaded */
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#define STYP_LIB 0x800 /* for .lib section : same as INFO */
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#define STYP_OVER 0x400 /* overlay section : relocated not allocated */
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/* or loaded */
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#if __cplusplus
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}
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#endif
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#endif
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