Annotation of sys/compat/ibcs2/ibcs2_exec.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ibcs2_exec.h,v 1.3 2002/03/14 01:26:50 millert Exp $ */
! 2: /* $NetBSD: ibcs2_exec.h,v 1.4 1995/03/14 15:12:24 scottb Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1994, 1995 Scott Bartram
! 6: * All rights reserved.
! 7: *
! 8: * adapted from sys/sys/exec_ecoff.h
! 9: * based on Intel iBCS2
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. The name of the author may not be used to endorse or promote products
! 20: * derived from this software without specific prior written permission
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 25: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 26: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 27: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 28: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 29: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 30: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 31: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 32: */
! 33:
! 34: #ifndef _IBCS2_EXEC_H_
! 35: #define _IBCS2_EXEC_H_
! 36:
! 37: /*
! 38: * COFF file header
! 39: */
! 40:
! 41: struct coff_filehdr {
! 42: u_short f_magic; /* magic number */
! 43: u_short f_nscns; /* # of sections */
! 44: long f_timdat; /* timestamp */
! 45: long f_symptr; /* file offset of symbol table */
! 46: long f_nsyms; /* # of symbol table entries */
! 47: u_short f_opthdr; /* size of optional header */
! 48: u_short f_flags; /* flags */
! 49: };
! 50:
! 51: /* f_magic flags */
! 52: #define COFF_MAGIC_I386 0x14c
! 53:
! 54: /* f_flags */
! 55: #define COFF_F_RELFLG 0x1
! 56: #define COFF_F_EXEC 0x2
! 57: #define COFF_F_LNNO 0x4
! 58: #define COFF_F_LSYMS 0x8
! 59: #define COFF_F_SWABD 0x40
! 60: #define COFF_F_AR16WR 0x80
! 61: #define COFF_F_AR32WR 0x100
! 62:
! 63: /*
! 64: * COFF system header
! 65: */
! 66:
! 67: struct coff_aouthdr {
! 68: short a_magic;
! 69: short a_vstamp;
! 70: long a_tsize;
! 71: long a_dsize;
! 72: long a_bsize;
! 73: long a_entry;
! 74: long a_tstart;
! 75: long a_dstart;
! 76: };
! 77:
! 78: /* magic */
! 79: #define COFF_OMAGIC 0407 /* text not write-protected; data seg
! 80: is contiguous with text */
! 81: #define COFF_NMAGIC 0410 /* text is write-protected; data starts
! 82: at next seg following text */
! 83: #define COFF_ZMAGIC 0413 /* text and data segs are aligned for
! 84: direct paging */
! 85: #define COFF_SMAGIC 0443 /* shared lib */
! 86:
! 87: /*
! 88: * COFF section header
! 89: */
! 90:
! 91: struct coff_scnhdr {
! 92: char s_name[8];
! 93: long s_paddr;
! 94: long s_vaddr;
! 95: long s_size;
! 96: long s_scnptr;
! 97: long s_relptr;
! 98: long s_lnnoptr;
! 99: u_short s_nreloc;
! 100: u_short s_nlnno;
! 101: long s_flags;
! 102: };
! 103:
! 104: /* s_flags */
! 105: #define COFF_STYP_REG 0x00
! 106: #define COFF_STYP_DSECT 0x01
! 107: #define COFF_STYP_NOLOAD 0x02
! 108: #define COFF_STYP_GROUP 0x04
! 109: #define COFF_STYP_PAD 0x08
! 110: #define COFF_STYP_COPY 0x10
! 111: #define COFF_STYP_TEXT 0x20
! 112: #define COFF_STYP_DATA 0x40
! 113: #define COFF_STYP_BSS 0x80
! 114: #define COFF_STYP_INFO 0x200
! 115: #define COFF_STYP_OVER 0x400
! 116: #define COFF_STYP_SHLIB 0x800
! 117:
! 118: /*
! 119: * COFF shared library header
! 120: */
! 121:
! 122: struct coff_slhdr {
! 123: long entry_len; /* in words */
! 124: long path_index; /* in words */
! 125: char sl_name[1];
! 126: };
! 127:
! 128: #define COFF_ROUND(val, by) (((val) + by - 1) & ~(by - 1))
! 129:
! 130: #define COFF_ALIGN(a) ((a) & ~(COFF_LDPGSZ - 1))
! 131:
! 132: #define COFF_HDR_SIZE \
! 133: (sizeof(struct coff_filehdr) + sizeof(struct coff_aouthdr))
! 134:
! 135: #define COFF_BLOCK_ALIGN(ap, value) \
! 136: (ap->a_magic == COFF_ZMAGIC ? COFF_ROUND(value, COFF_LDPGSZ) : \
! 137: value)
! 138:
! 139: #define COFF_TXTOFF(fp, ap) \
! 140: (ap->a_magic == COFF_ZMAGIC ? 0 : \
! 141: COFF_ROUND(COFF_HDR_SIZE + fp->f_nscns * \
! 142: sizeof(struct coff_scnhdr), COFF_SEGMENT_ALIGNMENT(ap)))
! 143:
! 144: #define COFF_DATOFF(fp, ap) \
! 145: (COFF_BLOCK_ALIGN(ap, COFF_TXTOFF(fp, ap) + ap->a_tsize))
! 146:
! 147: #define COFF_SEGMENT_ALIGN(ap, value) \
! 148: (COFF_ROUND(value, (ap->a_magic == COFF_ZMAGIC ? COFF_LDPGSZ : \
! 149: COFF_SEGMENT_ALIGNMENT(ap))))
! 150:
! 151: #define COFF_LDPGSZ 4096
! 152:
! 153: #define COFF_SEGMENT_ALIGNMENT(ap) 4
! 154:
! 155: #define COFF_BADMAG(ex) (ex->f_magic != COFF_MAGIC_I386)
! 156:
! 157: #define IBCS2_HIGH_SYSCALL(n) (((n) & 0x7f) == 0x28)
! 158: #define IBCS2_CVT_HIGH_SYSCALL(n) (((n) >> 8) + 128)
! 159:
! 160: struct exec_package;
! 161: int exec_ibcs2_coff_makecmds(struct proc *, struct exec_package *);
! 162:
! 163: /*
! 164: * x.out (XENIX)
! 165: */
! 166:
! 167: struct xexec {
! 168: u_short x_magic; /* magic number */
! 169: u_short x_ext; /* size of extended header */
! 170: long x_text; /* ignored */
! 171: long x_data; /* ignored */
! 172: long x_bss; /* ignored */
! 173: long x_syms; /* ignored */
! 174: long x_reloc; /* ignored */
! 175: long x_entry; /* executable entry point */
! 176: char x_cpu; /* processor type */
! 177: char x_relsym; /* ignored */
! 178: u_short x_renv; /* flags */
! 179: };
! 180:
! 181: /* x_magic flags */
! 182: #define XOUT_MAGIC 0x0206
! 183:
! 184: /* x_cpu flags */
! 185: #define XC_386 0x004a /* 386, word-swapped */
! 186:
! 187: /* x_renv flags */
! 188: #define XE_V5 0xc000
! 189: #define XE_SEG 0x0800
! 190: #define XE_ABS 0x0400
! 191: #define XE_ITER 0x0200
! 192: #define XE_VMOD 0x0100
! 193: #define XE_FPH 0x0080
! 194: #define XE_LTEXT 0x0040
! 195: #define XE_LDATA 0x0020
! 196: #define XE_OVER 0x0010
! 197: #define XE_FS 0x0008
! 198: #define XE_PURE 0x0004
! 199: #define XE_SEP 0x0002
! 200: #define XE_EXEC 0x0001
! 201:
! 202: /*
! 203: * x.out extended header
! 204: */
! 205:
! 206: struct xext {
! 207: long xe_trsize; /* ignored */
! 208: long xe_drsize; /* ignored */
! 209: long xe_tbase; /* ignored */
! 210: long xe_dbase; /* ignored */
! 211: long xe_stksize; /* stack size if XE_FS set in x_renv */
! 212: long xe_segpos; /* offset of segment table */
! 213: long xe_segsize; /* segment table size */
! 214: long xe_mdtpos; /* ignored */
! 215: long xe_mdtsize; /* ignored */
! 216: char xe_mdttype; /* ignored */
! 217: char xe_pagesize; /* ignored */
! 218: char xe_ostype; /* ignored */
! 219: char xe_osvers; /* ignored */
! 220: u_short xe_eseg; /* ignored */
! 221: u_short xe_sres; /* ignored */
! 222: };
! 223:
! 224: /*
! 225: * x.out segment table
! 226: */
! 227:
! 228: struct xseg {
! 229: u_short xs_type; /* segment type */
! 230: u_short xs_attr; /* attribute flags */
! 231: u_short xs_seg; /* segment selector number */
! 232: char xs_align; /* ignored */
! 233: char xs_cres; /* ignored */
! 234: long xs_filpos; /* offset of this segment */
! 235: long xs_psize; /* physical segment size */
! 236: long xs_vsize; /* virtual segment size */
! 237: long xs_rbase; /* relocation base address */
! 238: u_short xs_noff; /* ignored */
! 239: u_short xs_sres; /* ignored */
! 240: long xs_lres; /* ignored */
! 241: };
! 242:
! 243: /* xs_type flags */
! 244: #define XS_TNULL 0 /* unused */
! 245: #define XS_TTEXT 1 /* text (read-only) */
! 246: #define XS_TDATA 2 /* data (read-write) */
! 247: #define XS_TSYMS 3 /* symbol table (noload) */
! 248: #define XS_TREL 4 /* relocation segment (noload) */
! 249: #define XS_TSESTR 5 /* string table (noload) */
! 250: #define XS_TGRPS 6 /* group segment (noload) */
! 251:
! 252: #define XS_TIDATA 64
! 253: #define XS_TTSS 65
! 254: #define XS_TLFIX 66
! 255: #define XS_TDNAME 67
! 256: #define XS_TDTEXT 68
! 257: #define XS_TDFIX 69
! 258: #define XS_TOVTAB 70
! 259: #define XS_T71 71
! 260: #define XS_TSYSTR 72
! 261:
! 262: /* xs_attr flags */
! 263: #define XS_AMEM 0x8000 /* memory image */
! 264: #define XS_AITER 0x0001 /* iteration records */
! 265: #define XS_AHUGE 0x0002 /* unused */
! 266: #define XS_ABSS 0x0004 /* uninitialized data */
! 267: #define XS_APURE 0x0008 /* read-only (sharable) segment */
! 268: #define XS_AEDOWN 0x0010 /* expand down memory segment */
! 269: #define XS_APRIV 0x0020 /* unused */
! 270: #define XS_A32BIT 0x0040 /* 32-bit text/data */
! 271:
! 272: /*
! 273: * x.out iteration record
! 274: */
! 275:
! 276: struct xiter {
! 277: long xi_size; /* text/data size */
! 278: long xi_rep; /* number of replications */
! 279: long xi_offset; /* offset within segment to replicated data */
! 280: };
! 281:
! 282: #define XOUT_HDR_SIZE (sizeof(struct xexec) + sizeof(struct xext))
! 283:
! 284: int exec_ibcs2_xout_makecmds(struct proc *, struct exec_package *);
! 285:
! 286: #endif /* !_IBCS2_EXEC_H_ */
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