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< * $Id: exec.h,v 1.3 1994/08/02 07:38:45 davidg Exp $
---
> * $Id: exec.h,v 1.4 1994/08/09 14:39:56 jkh Exp $
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< #if defined(hp300) || defined(i386)
< #define __LDPGSZ 4096
< #endif
< #if defined(tahoe) || defined(vax)
< #define __LDPGSZ 1024
< #endif
---
> #define __LDPGSZ 4096
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< #define N_GETMAGIC(ex) \
< ( (ex).a_midmag & 0xffff )
< #define N_GETMID(ex) \
< ( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETMID_NET(ex) : \
< ((ex).a_midmag >> 16) & 0x03ff )
< #define N_GETFLAG(ex) \
< ( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETFLAG_NET(ex) : \
< ((ex).a_midmag >> 26) & 0x3f )
< #define N_SETMAGIC(ex,mag,mid,flag) \
< ( (ex).a_midmag = (((flag) & 0x3f) <<26) | (((mid) & 0x03ff) << 16) | \
< ((mag) & 0xffff) )
<
< #define N_GETMAGIC_NET(ex) \
< (ntohl((ex).a_midmag) & 0xffff)
< #define N_GETMID_NET(ex) \
< ((ntohl((ex).a_midmag) >> 16) & 0x03ff)
< #define N_GETFLAG_NET(ex) \
< ((ntohl((ex).a_midmag) >> 26) & 0x3f)
< #define N_SETMAGIC_NET(ex,mag,mid,flag) \
< ( (ex).a_midmag = htonl( (((flag)&0x3f)<<26) | (((mid)&0x03ff)<<16) | \
< (((mag)&0xffff)) ) )
<
< #define N_ALIGN(ex,x) \
< (N_GETMAGIC(ex) == ZMAGIC || N_GETMAGIC(ex) == QMAGIC || \
< N_GETMAGIC_NET(ex) == ZMAGIC || N_GETMAGIC_NET(ex) == QMAGIC ? \
< ((x) + __LDPGSZ - 1) & ~(__LDPGSZ - 1) : (x))
<
< /* Valid magic number check. */
< #define N_BADMAG(ex) \
< (N_GETMAGIC(ex) != OMAGIC && N_GETMAGIC(ex) != NMAGIC && \
< N_GETMAGIC(ex) != ZMAGIC && N_GETMAGIC(ex) != QMAGIC && \
< N_GETMAGIC_NET(ex) != OMAGIC && N_GETMAGIC_NET(ex) != NMAGIC && \
< N_GETMAGIC_NET(ex) != ZMAGIC && N_GETMAGIC_NET(ex) != QMAGIC)
<
<
< /* Address of the bottom of the text segment. */
< #define N_TXTADDR(ex) \
< ((N_GETMAGIC(ex) == OMAGIC || N_GETMAGIC(ex) == NMAGIC || \
< N_GETMAGIC(ex) == ZMAGIC) ? 0 : __LDPGSZ)
<
< /* Address of the bottom of the data segment. */
< #define N_DATADDR(ex) \
< N_ALIGN(ex, N_TXTADDR(ex) + (ex).a_text)
<
< /* Text segment offset. */
< #define N_TXTOFF(ex) \
< (N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : (N_GETMAGIC(ex) == QMAGIC || \
< N_GETMAGIC_NET(ex) == ZMAGIC) ? 0 : sizeof(struct exec))
<
< /* Data segment offset. */
< #define N_DATOFF(ex) \
< N_ALIGN(ex, N_TXTOFF(ex) + (ex).a_text)
<
< /* Relocation table offset. */
< #define N_RELOFF(ex) \
< N_ALIGN(ex, N_DATOFF(ex) + (ex).a_data)
<
< /* Symbol table offset. */
< #define N_SYMOFF(ex) \
< (N_RELOFF(ex) + (ex).a_trsize + (ex).a_drsize)
<
< /* String table offset. */
< #define N_STROFF(ex) (N_SYMOFF(ex) + (ex).a_syms)
<
< /*
< * Header prepended to each a.out file.
< * only manipulate the a_midmag field via the
< * N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros in a.out.h
< */
<
< struct exec {
< unsigned long a_midmag; /* htonl(flags<<26 | mid<<16 | magic) */
< unsigned long a_text; /* text segment size */
< unsigned long a_data; /* initialized data size */
< unsigned long a_bss; /* uninitialized data size */
< unsigned long a_syms; /* symbol table size */
< unsigned long a_entry; /* entry point */
< unsigned long a_trsize; /* text relocation size */
< unsigned long a_drsize; /* data relocation size */
< };
< #define a_magic a_midmag /* XXX Hack to work with current kern_execve.c */
<
< /* a_magic */
< #define OMAGIC 0407 /* old impure format */
< #define NMAGIC 0410 /* read-only text */
< #define ZMAGIC 0413 /* demand load format */
< #define QMAGIC 0314 /* "compact" demand load format */
<
< /* a_mid */
< #define MID_ZERO 0 /* unknown - implementation dependent */
< #define MID_SUN010 1 /* sun 68010/68020 binary */
< #define MID_SUN020 2 /* sun 68020-only binary */
< #define MID_I386 134 /* i386 BSD binary */
< #define MID_HP200 200 /* hp200 (68010) BSD binary */
< #define MID_HP300 300 /* hp300 (68020+68881) BSD binary */
< #define MID_HPUX 0x20C /* hp200/300 HP-UX binary */
< #define MID_HPUX800 0x20B /* hp800 HP-UX binary */
<
< /*
< * a_flags
< */
< #define EX_DYNAMIC 0x20 /* a.out contains run-time link-edit info */
<