mirror of
https://github.com/freebsd/freebsd-src
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Shuffled macros and definitions around to facilitate architecture
independance.
This commit is contained in:
David Greenman
parent
248a9521f8
commit
bc6d744470
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=3058
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@ -31,120 +31,12 @@
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* SUCH DAMAGE.
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*
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* @(#)exec.h 8.1 (Berkeley) 6/11/93
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* $Id: exec.h,v 1.3 1994/08/02 07:38:45 davidg Exp $
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* $Id: exec.h,v 1.4 1994/08/09 14:39:56 jkh Exp $
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*/
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#ifndef _EXEC_H_
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#define _EXEC_H_
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#if defined(hp300) || defined(i386)
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#define __LDPGSZ 4096
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#endif
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#if defined(tahoe) || defined(vax)
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#define __LDPGSZ 1024
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#endif
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#define N_GETMAGIC(ex) \
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( (ex).a_midmag & 0xffff )
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#define N_GETMID(ex) \
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( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETMID_NET(ex) : \
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((ex).a_midmag >> 16) & 0x03ff )
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#define N_GETFLAG(ex) \
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( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETFLAG_NET(ex) : \
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((ex).a_midmag >> 26) & 0x3f )
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#define N_SETMAGIC(ex,mag,mid,flag) \
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( (ex).a_midmag = (((flag) & 0x3f) <<26) | (((mid) & 0x03ff) << 16) | \
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((mag) & 0xffff) )
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#define N_GETMAGIC_NET(ex) \
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(ntohl((ex).a_midmag) & 0xffff)
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#define N_GETMID_NET(ex) \
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((ntohl((ex).a_midmag) >> 16) & 0x03ff)
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#define N_GETFLAG_NET(ex) \
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((ntohl((ex).a_midmag) >> 26) & 0x3f)
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#define N_SETMAGIC_NET(ex,mag,mid,flag) \
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( (ex).a_midmag = htonl( (((flag)&0x3f)<<26) | (((mid)&0x03ff)<<16) | \
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(((mag)&0xffff)) ) )
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#define N_ALIGN(ex,x) \
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(N_GETMAGIC(ex) == ZMAGIC || N_GETMAGIC(ex) == QMAGIC || \
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N_GETMAGIC_NET(ex) == ZMAGIC || N_GETMAGIC_NET(ex) == QMAGIC ? \
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((x) + __LDPGSZ - 1) & ~(__LDPGSZ - 1) : (x))
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/* Valid magic number check. */
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#define N_BADMAG(ex) \
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(N_GETMAGIC(ex) != OMAGIC && N_GETMAGIC(ex) != NMAGIC && \
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N_GETMAGIC(ex) != ZMAGIC && N_GETMAGIC(ex) != QMAGIC && \
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N_GETMAGIC_NET(ex) != OMAGIC && N_GETMAGIC_NET(ex) != NMAGIC && \
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N_GETMAGIC_NET(ex) != ZMAGIC && N_GETMAGIC_NET(ex) != QMAGIC)
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/* Address of the bottom of the text segment. */
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#define N_TXTADDR(ex) \
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((N_GETMAGIC(ex) == OMAGIC || N_GETMAGIC(ex) == NMAGIC || \
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N_GETMAGIC(ex) == ZMAGIC) ? 0 : __LDPGSZ)
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/* Address of the bottom of the data segment. */
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#define N_DATADDR(ex) \
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N_ALIGN(ex, N_TXTADDR(ex) + (ex).a_text)
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/* Text segment offset. */
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#define N_TXTOFF(ex) \
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(N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : (N_GETMAGIC(ex) == QMAGIC || \
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N_GETMAGIC_NET(ex) == ZMAGIC) ? 0 : sizeof(struct exec))
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/* Data segment offset. */
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#define N_DATOFF(ex) \
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N_ALIGN(ex, N_TXTOFF(ex) + (ex).a_text)
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/* Relocation table offset. */
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#define N_RELOFF(ex) \
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N_ALIGN(ex, N_DATOFF(ex) + (ex).a_data)
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/* Symbol table offset. */
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#define N_SYMOFF(ex) \
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(N_RELOFF(ex) + (ex).a_trsize + (ex).a_drsize)
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/* String table offset. */
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#define N_STROFF(ex) (N_SYMOFF(ex) + (ex).a_syms)
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/*
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* Header prepended to each a.out file.
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* only manipulate the a_midmag field via the
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* N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros in a.out.h
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*/
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struct exec {
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unsigned long a_midmag; /* htonl(flags<<26 | mid<<16 | magic) */
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unsigned long a_text; /* text segment size */
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unsigned long a_data; /* initialized data size */
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unsigned long a_bss; /* uninitialized data size */
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unsigned long a_syms; /* symbol table size */
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unsigned long a_entry; /* entry point */
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unsigned long a_trsize; /* text relocation size */
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unsigned long a_drsize; /* data relocation size */
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};
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#define a_magic a_midmag /* XXX Hack to work with current kern_execve.c */
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/* a_magic */
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#define OMAGIC 0407 /* old impure format */
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#define NMAGIC 0410 /* read-only text */
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#define ZMAGIC 0413 /* demand load format */
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#define QMAGIC 0314 /* "compact" demand load format */
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/* a_mid */
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#define MID_ZERO 0 /* unknown - implementation dependent */
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#define MID_SUN010 1 /* sun 68010/68020 binary */
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#define MID_SUN020 2 /* sun 68020-only binary */
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#define MID_I386 134 /* i386 BSD binary */
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#define MID_HP200 200 /* hp200 (68010) BSD binary */
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#define MID_HP300 300 /* hp300 (68020+68881) BSD binary */
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#define MID_HPUX 0x20C /* hp200/300 HP-UX binary */
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#define MID_HPUX800 0x20B /* hp800 HP-UX binary */
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/*
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* a_flags
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*/
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#define EX_DYNAMIC 0x20 /* a.out contains run-time link-edit info */
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#define __LDPGSZ 4096
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#endif /* !_EXEC_H_ */
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@ -31,120 +31,12 @@
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* SUCH DAMAGE.
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*
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* @(#)exec.h 8.1 (Berkeley) 6/11/93
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* $Id: exec.h,v 1.3 1994/08/02 07:38:45 davidg Exp $
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* $Id: exec.h,v 1.4 1994/08/09 14:39:56 jkh Exp $
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*/
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#ifndef _EXEC_H_
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#define _EXEC_H_
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#if defined(hp300) || defined(i386)
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#define __LDPGSZ 4096
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#endif
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#if defined(tahoe) || defined(vax)
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#define __LDPGSZ 1024
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#endif
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#define N_GETMAGIC(ex) \
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( (ex).a_midmag & 0xffff )
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#define N_GETMID(ex) \
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( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETMID_NET(ex) : \
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((ex).a_midmag >> 16) & 0x03ff )
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#define N_GETFLAG(ex) \
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( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETFLAG_NET(ex) : \
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((ex).a_midmag >> 26) & 0x3f )
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#define N_SETMAGIC(ex,mag,mid,flag) \
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( (ex).a_midmag = (((flag) & 0x3f) <<26) | (((mid) & 0x03ff) << 16) | \
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((mag) & 0xffff) )
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#define N_GETMAGIC_NET(ex) \
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(ntohl((ex).a_midmag) & 0xffff)
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#define N_GETMID_NET(ex) \
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((ntohl((ex).a_midmag) >> 16) & 0x03ff)
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#define N_GETFLAG_NET(ex) \
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((ntohl((ex).a_midmag) >> 26) & 0x3f)
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#define N_SETMAGIC_NET(ex,mag,mid,flag) \
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( (ex).a_midmag = htonl( (((flag)&0x3f)<<26) | (((mid)&0x03ff)<<16) | \
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(((mag)&0xffff)) ) )
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#define N_ALIGN(ex,x) \
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(N_GETMAGIC(ex) == ZMAGIC || N_GETMAGIC(ex) == QMAGIC || \
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N_GETMAGIC_NET(ex) == ZMAGIC || N_GETMAGIC_NET(ex) == QMAGIC ? \
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((x) + __LDPGSZ - 1) & ~(__LDPGSZ - 1) : (x))
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/* Valid magic number check. */
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#define N_BADMAG(ex) \
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(N_GETMAGIC(ex) != OMAGIC && N_GETMAGIC(ex) != NMAGIC && \
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N_GETMAGIC(ex) != ZMAGIC && N_GETMAGIC(ex) != QMAGIC && \
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N_GETMAGIC_NET(ex) != OMAGIC && N_GETMAGIC_NET(ex) != NMAGIC && \
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N_GETMAGIC_NET(ex) != ZMAGIC && N_GETMAGIC_NET(ex) != QMAGIC)
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/* Address of the bottom of the text segment. */
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#define N_TXTADDR(ex) \
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((N_GETMAGIC(ex) == OMAGIC || N_GETMAGIC(ex) == NMAGIC || \
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N_GETMAGIC(ex) == ZMAGIC) ? 0 : __LDPGSZ)
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/* Address of the bottom of the data segment. */
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#define N_DATADDR(ex) \
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N_ALIGN(ex, N_TXTADDR(ex) + (ex).a_text)
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/* Text segment offset. */
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#define N_TXTOFF(ex) \
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(N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : (N_GETMAGIC(ex) == QMAGIC || \
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N_GETMAGIC_NET(ex) == ZMAGIC) ? 0 : sizeof(struct exec))
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/* Data segment offset. */
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#define N_DATOFF(ex) \
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N_ALIGN(ex, N_TXTOFF(ex) + (ex).a_text)
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/* Relocation table offset. */
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#define N_RELOFF(ex) \
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N_ALIGN(ex, N_DATOFF(ex) + (ex).a_data)
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/* Symbol table offset. */
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#define N_SYMOFF(ex) \
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(N_RELOFF(ex) + (ex).a_trsize + (ex).a_drsize)
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/* String table offset. */
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#define N_STROFF(ex) (N_SYMOFF(ex) + (ex).a_syms)
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/*
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* Header prepended to each a.out file.
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* only manipulate the a_midmag field via the
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* N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros in a.out.h
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*/
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struct exec {
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unsigned long a_midmag; /* htonl(flags<<26 | mid<<16 | magic) */
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unsigned long a_text; /* text segment size */
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unsigned long a_data; /* initialized data size */
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unsigned long a_bss; /* uninitialized data size */
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unsigned long a_syms; /* symbol table size */
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unsigned long a_entry; /* entry point */
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unsigned long a_trsize; /* text relocation size */
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unsigned long a_drsize; /* data relocation size */
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};
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#define a_magic a_midmag /* XXX Hack to work with current kern_execve.c */
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/* a_magic */
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#define OMAGIC 0407 /* old impure format */
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#define NMAGIC 0410 /* read-only text */
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#define ZMAGIC 0413 /* demand load format */
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#define QMAGIC 0314 /* "compact" demand load format */
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/* a_mid */
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#define MID_ZERO 0 /* unknown - implementation dependent */
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#define MID_SUN010 1 /* sun 68010/68020 binary */
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#define MID_SUN020 2 /* sun 68020-only binary */
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#define MID_I386 134 /* i386 BSD binary */
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#define MID_HP200 200 /* hp200 (68010) BSD binary */
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#define MID_HP300 300 /* hp300 (68020+68881) BSD binary */
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#define MID_HPUX 0x20C /* hp200/300 HP-UX binary */
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#define MID_HPUX800 0x20B /* hp800 HP-UX binary */
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/*
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* a_flags
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*/
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#define EX_DYNAMIC 0x20 /* a.out contains run-time link-edit info */
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#define __LDPGSZ 4096
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#endif /* !_EXEC_H_ */
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@ -28,7 +28,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: imgact_aout.c,v 1.6 1994/08/18 22:34:55 wollman Exp $
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* $Id: imgact_aout.c,v 1.7 1994/08/24 11:50:36 sos Exp $
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*/
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#include <sys/param.h>
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@ -37,6 +37,7 @@
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#include <sys/exec.h>
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#include <sys/mman.h>
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#include <sys/imgact.h>
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#include <sys/imgact_aout.h>
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#include <sys/kernel.h>
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#include <sys/sysent.h>
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@ -36,14 +36,12 @@
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* SUCH DAMAGE.
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*
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* @(#)exec.h 8.3 (Berkeley) 1/21/94
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* $Id: exec.h,v 1.5 1994/08/19 14:24:16 davidg Exp $
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* $Id: exec.h,v 1.6 1994/08/21 04:41:43 paul Exp $
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*/
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#ifndef _SYS_EXEC_H_
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#define _SYS_EXEC_H_
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#include <machine/exec.h>
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/*
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* The following structure is found at the top of the user stack of each
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* user process. The ps program uses it to locate argv and environment
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@ -86,4 +84,6 @@ extern int exec_extract_strings(/* struct image_params * */);
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extern int exec_new_vmspace(/* struct image_params * */);
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#endif
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#include <machine/exec.h>
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#endif
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