/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */


#ifndef _UAPI_LINUX_COFF_H
#define _UAPI_LINUX_COFF_H

#define  E_SYMNMLEN  8   
#define  E_FILNMLEN 14   
#define  E_DIMNUM    4   


 

#define COFF_SHORT_L(ps) ((short)(((unsigned short)((unsigned char)ps[1])<<8)|\
				  ((unsigned short)((unsigned char)ps[0]))))


#define COFF_LONG_L(ps) (((long)(((unsigned long)((unsigned char)ps[3])<<24) |\
				 ((unsigned long)((unsigned char)ps[2])<<16) |\
				 ((unsigned long)((unsigned char)ps[1])<<8)  |\
				 ((unsigned long)((unsigned char)ps[0])))))
 

#define COFF_SHORT_H(ps) ((short)(((unsigned short)((unsigned char)ps[0])<<8)|\
				  ((unsigned short)((unsigned char)ps[1]))))


#define COFF_LONG_H(ps) (((long)(((unsigned long)((unsigned char)ps[0])<<24) |\
				 ((unsigned long)((unsigned char)ps[1])<<16) |\
				 ((unsigned long)((unsigned char)ps[2])<<8)  |\
				 ((unsigned long)((unsigned char)ps[3])))))



#define COFF_LONG(v)   COFF_LONG_L(v)
#define COFF_SHORT(v)  COFF_SHORT_L(v)





struct COFF_filehdr {
	char f_magic[2];	
	char f_nscns[2];	
	char f_timdat[4];	
	char f_symptr[4];	
	char f_nsyms[4];	
	char f_opthdr[2];	
	char f_flags[2];	
};



#define  COFF_F_RELFLG		0000001
#define  COFF_F_EXEC		0000002
#define  COFF_F_LNNO		0000004
#define  COFF_F_LSYMS		0000010
#define  COFF_F_MINMAL		0000020
#define  COFF_F_UPDATE		0000040
#define  COFF_F_SWABD		0000100
#define  COFF_F_AR16WR		0000200
#define  COFF_F_AR32WR		0000400
#define  COFF_F_AR32W		0001000
#define  COFF_F_PATCH		0002000
#define  COFF_F_NODF		0002000

#define	COFF_I386MAGIC	        0x14c   

#if 0   
#define COFF_I386PTXMAGIC	0x154
#define COFF_I386AIXMAGIC	0x175   
#define COFF_I386BADMAG(x) ((COFF_SHORT((x).f_magic) != COFF_I386MAGIC) \
			  && COFF_SHORT((x).f_magic) != COFF_I386PTXMAGIC \
			  && COFF_SHORT((x).f_magic) != COFF_I386AIXMAGIC)
#else
#define COFF_I386BADMAG(x) (COFF_SHORT((x).f_magic) != COFF_I386MAGIC)
#endif

#define	COFF_FILHDR	struct COFF_filehdr
#define	COFF_FILHSZ	sizeof(COFF_FILHDR)





typedef struct 
{
  char 	magic[2];		
  char	vstamp[2];		
  char	tsize[4];		
  char	dsize[4];		
  char	bsize[4];		
  char	entry[4];		
  char 	text_start[4];		
  char 	data_start[4];		
}
COFF_AOUTHDR;

#define COFF_AOUTSZ (sizeof(COFF_AOUTHDR))

#define COFF_STMAGIC	0401
#define COFF_OMAGIC     0404
#define COFF_JMAGIC     0407    
#define COFF_DMAGIC     0410    
#define COFF_ZMAGIC     0413    
#define COFF_SHMAGIC	0443	



struct COFF_scnhdr {
  char		s_name[8];	
  char		s_paddr[4];	
  char		s_vaddr[4];	
  char		s_size[4];	
  char		s_scnptr[4];	
  char		s_relptr[4];	
  char		s_lnnoptr[4];	
  char		s_nreloc[2];	
  char		s_nlnno[2];	
  char		s_flags[4];	
};

#define	COFF_SCNHDR	struct COFF_scnhdr
#define	COFF_SCNHSZ	sizeof(COFF_SCNHDR)



#define COFF_TEXT	".text"
#define COFF_DATA	".data"
#define COFF_BSS	".bss"
#define COFF_COMMENT    ".comment"
#define COFF_LIB        ".lib"

#define COFF_SECT_TEXT  0      
#define COFF_SECT_DATA  1      
#define COFF_SECT_BSS   2      
#define COFF_SECT_REQD  3      

#define COFF_STYP_REG     0x00 
#define COFF_STYP_DSECT   0x01 
#define COFF_STYP_NOLOAD  0x02 
#define COFF_STYP_GROUP   0x04 
#define COFF_STYP_PAD     0x08 
#define COFF_STYP_COPY    0x10 
#define COFF_STYP_TEXT    0x20 
#define COFF_STYP_DATA    0x40 
#define COFF_STYP_BSS     0x80 
#define COFF_STYP_INFO   0x200 
#define COFF_STYP_OVER   0x400 
#define COFF_STYP_LIB    0x800 



struct COFF_slib {
  char		sl_entsz[4];	
  char		sl_pathndx[4];	
};

#define	COFF_SLIBHD	struct COFF_slib
#define	COFF_SLIBSZ	sizeof(COFF_SLIBHD)





struct COFF_lineno {
  union {
    char l_symndx[4];	
    char l_paddr[4];	
  } l_addr;
  char l_lnno[2];	
};

#define	COFF_LINENO	struct COFF_lineno
#define	COFF_LINESZ	6



#define COFF_E_SYMNMLEN	 8	
#define COFF_E_FILNMLEN	14	
#define COFF_E_DIMNUM	 4	



struct COFF_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 COFF_N_BTMASK	(0xf)   
#define COFF_N_TMASK	(0x30)  
#define COFF_N_BTSHFT	(4)     
#define COFF_N_TSHIFT	(2)     


  
union COFF_auxent {



  struct {
    char x_tagndx[4];	        
    union {
      struct {
	char  x_lnno[2];        
	char  x_size[2];        
      } x_lnsz;
      char x_fsize[4];	        
    } x_misc;

    union {
      struct {		        
	char x_lnnoptr[4];	
	char x_endndx[4];	
      } x_fcn;

      struct {		        
	char x_dimen[E_DIMNUM][2];
      } x_ary;
    } x_fcnary;

    char x_tvndx[2];	
  } 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];	
    char x_nreloc[2];	
    char x_nlinno[2];	
  } x_scn;


  
  struct {
    char x_tvfill[4];	
    char x_tvlen[2];	
    char x_tvran[2][2];	
  } x_tv;		
};

#define	COFF_SYMENT	struct COFF_syment
#define	COFF_SYMESZ	18	
#define	COFF_AUXENT	union COFF_auxent
#define	COFF_AUXESZ	18

#define COFF_ETEXT	"etext"



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

#define COFF_RELOC struct COFF_reloc
#define COFF_RELSZ 10

#define COFF_DEF_DATA_SECTION_ALIGNMENT  4
#define COFF_DEF_BSS_SECTION_ALIGNMENT   4
#define COFF_DEF_TEXT_SECTION_ALIGNMENT  4


#define COFF_DEF_SECTION_ALIGNMENT       4

#endif 
