sys/compat/pecoff/imgact_pecoff.h

   1 /* $NetBSD$      */
   2 /* $FreeBSD$    */
   3 /*-
   4  * Copyright (c) 2000 Masaru OKI
   5  */
   6
   7 #ifndef _PECOFF_EXEC_H_
   8 #define _PECOFF_EXEC_H_
   9
  10 struct pecoff_dos_filehdr {
  11         u_int16_t       d_magic;/* +0x00 'MZ' */
  12         u_int8_t        d_stub[0x3a];
  13         u_int32_t       d_peofs;/* +0x3c */
  14 };
  15
  16 #define PECOFF_DOS_MAGIC 0x5a4d
  17 #define PECOFF_DOS_HDR_SIZE (sizeof(struct pecoff_dos_filehdr))
  18
  19 #define DOS_BADMAG(dp) ((dp)->d_magic != PECOFF_DOS_MAGIC)
  20
  21 /*
  22  * COFF file header
  23  */
  24
  25 struct coff_filehdr {
  26         u_short         f_magic;/* magic number */
  27         u_short         f_nscns;/* # of sections */
  28         long            f_timdat;       /* timestamp */
  29         long            f_symptr;       /* file offset of symbol table */
  30         long            f_nsyms;/* # of symbol table entries */
  31         u_short         f_opthdr;       /* size of optional header */
  32         u_short         f_flags;/* flags */
  33 };
  34
  35 /*
  36  * COFF system header
  37  */
  38
  39 struct coff_aouthdr {
  40         short           a_magic;
  41         short           a_vstamp;
  42         long            a_tsize;
  43         long            a_dsize;
  44         long            a_bsize;
  45         long            a_entry;
  46         long            a_tstart;
  47         long            a_dstart;
  48 };
  49
  50 /* magic */
  51 #define COFF_OMAGIC     0407    /* text not write-protected; data seg is
  52                                  * contiguous with text */
  53 #define COFF_NMAGIC     0410    /* text is write-protected; data starts at
  54                                  * next seg following text */
  55 #define COFF_ZMAGIC     0413    /* text and data segs are aligned for direct
  56                                  * paging */
  57 #define COFF_SMAGIC     0443    /* shared lib */
  58
  59 struct pecoff_imghdr {
  60         long            i_vaddr;
  61         long            i_size;
  62 };
  63
  64 struct pecoff_opthdr {
  65         long            w_base;
  66         long            w_salign;
  67         long            w_falign;
  68         long            w_osvers;
  69         long            w_imgvers;
  70         long            w_subvers;
  71         long            w_rsvd;
  72         long            w_imgsize;
  73         long            w_hdrsize;
  74         long            w_chksum;
  75         u_short         w_subsys;
  76         u_short         w_dllflags;
  77         long            w_ssize;
  78         long            w_cssize;
  79         long            w_hsize;
  80         long            w_chsize;
  81         long            w_lflag;
  82         long            w_nimghdr;
  83         struct pecoff_imghdr w_imghdr[16];
  84 };
  85
  86 /*
  87  * COFF section header
  88  */
  89
  90 struct coff_scnhdr {
  91         char            s_name[8];
  92         long            s_paddr;
  93         long            s_vaddr;
  94         long            s_size;
  95         long            s_scnptr;
  96         long            s_relptr;
  97         long            s_lnnoptr;
  98         u_short         s_nreloc;
  99         u_short         s_nlnno;
 100         long            s_flags;
 101 };
 102
 103 /* s_flags */
 104 #define COFF_STYP_REG           0x00
 105 #define COFF_STYP_DSECT         0x01
 106 #define COFF_STYP_NOLOAD        0x02
 107 #define COFF_STYP_GROUP         0x04
 108 #define COFF_STYP_PAD           0x08
 109 #define COFF_STYP_COPY          0x10
 110 #define COFF_STYP_TEXT          0x20
 111 #define COFF_STYP_DATA          0x40
 112 #define COFF_STYP_BSS           0x80
 113 #define COFF_STYP_INFO          0x200
 114 #define COFF_STYP_OVER          0x400
 115 #define COFF_STYP_SHLIB         0x800
 116 /* s_flags for PE */
 117 #define COFF_STYP_DISCARD       0x2000000
 118 #define COFF_STYP_EXEC          0x20000000
 119 #define COFF_STYP_READ          0x40000000
 120 #define COFF_STYP_WRITE         0x80000000
 121
 122 struct pecoff_args {
 123         u_long          a_base;
 124         u_long          a_entry;
 125         u_long          a_end;
 126         u_long          a_subsystem;
 127         struct pecoff_imghdr a_imghdr[16];
 128         u_long          a_ldbase;
 129         u_long          a_ldexport;
 130 };
 131
 132 #define COFF_LDPGSZ 4096
 133 #define COFF_ALIGN(a) ((a) & ~(COFF_LDPGSZ - 1))
 134 #define COFF_ROUND(a) COFF_ALIGN((a) + COFF_LDPGSZ - 1)
 135
 136 #define COFF_HDR_SIZE \
 137         (sizeof(struct coff_filehdr) + sizeof(struct coff_aouthdr))
 138
 139 #define PECOFF_HDR_SIZE (COFF_HDR_SIZE + sizeof(struct pecoff_opthdr))
 140
 141
 142 #endif