Nebula 1995 August/NEBULA.mdf/Apps/DevTools/MachOViewer/Source/RCS/LoadCommand.h,v

Text File | 1994-05-29 | 4.6 KB | 294 lines

head     1.6;
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locks    ediger:1.6;
comment  @ * @;


1.6
date     94.05.29.14.58.55;  author ediger;  state Exp;
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next     1.5;

1.5
date     94.01.30.16.28.26;  author ediger;  state Exp;
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next     1.4;

1.4
date     93.10.31.21.34.32;  author ediger;  state Exp;
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1.3
date     93.10.28.00.07.34;  author ediger;  state Exp;
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1.2
date     93.10.27.23.42.43;  author ediger;  state Exp;
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next     1.1;

1.1
date     93.10.25.18.00.10;  author ediger;  state Exp;
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desc
@LoadCommand object interface and declaration
@


1.6
log
@added - (struct load_command *)loadCommandAddress; to interface
@
text
@/*
 * $Id: LoadCommand.h,v 1.5 94/01/30 16:28:26 ediger Exp Locker: ediger $
 * $Log:    LoadCommand.h,v $
 * Revision 1.5  94/01/30  16:28:26  ediger
 * add support for getting pc of thread load commands
 *
 * Revision 1.4  93/10/31  21:34:32  ediger
 * removed declarations of +new and -printSections
 *
 * Revision 1.3  93/10/28  00:07:34  ediger
 * ditch an unused, unnecessary instance variable
 *
 * Revision 1.2  93/10/27  23:42:43  ediger
 * changed to one subclass per type of load command
 *
 */
#import <objc/Object.h>
#import <sys/types.h>
#import <mach-o/loader.h>
#import <mach/m68k/thread_status.h>
#import <mach/i386/thread_status.h>
#import <stdio.h>
#import <libc.h>
#import <assert.h>

#import <MachOFile.h>

@@interface LoadCommand: Object
{
    struct load_command *loadCommand;
    BOOL                 mapped;      // subclasses set as appropriate
    BOOL                 otherFile;   // load command represents another file
}


+ new:(caddr_t)loadCommandAddress;

- free;

- (unsigned long)commandSize;

- (BOOL)isThread;

- (BOOL)isMapped;

- (BOOL)representsMappedFile;

- (struct load_command *)loadCommandAddress;

// subclasses need to override some or all of these:
- init;

- setLoadCommand: (caddr_t)loadCommandAddress;

- (unsigned long)getBaseAddress;

- (unsigned long)getUpperAddress;

- (char *)commandName;

- (int)numberOfSections;

@@end

// LC_SEGMENT load command has to implement a few
// extra methods because of the array of "struct section"
// things it carries around.
@@interface SegmentCommand: LoadCommand
{
    struct segment_command *segmentCommand;
    struct section        **sections;
}

- fillSections;

- (struct section *)getSection:(int)sectionNumber;

@@end

@@interface LoadFVMLibCommand: LoadCommand
{
    struct fvmlib_command *fvmlibCommand;
    id                     theOtherFile;
}
- loadOtherFile;
- otherFile;
@@end

@@interface IdFVMLibCommand: LoadFVMLibCommand
{
    char *namebuf;
}
@@end

@@interface IdentCommand: LoadCommand
{
}
@@end

@@interface FVMFileCommand: LoadCommand
{
    struct fvmfile_command *fvmFileCommand;
}
@@end

@@interface SymTabCommand: LoadCommand
{
    struct symtab_command *symTabCommand;
}
@@end

@@interface SymSegCommand: LoadCommand
{
    struct symseg_command *symSegCommand;
}
@@end

@@interface ThreadCommand: LoadCommand
{
    struct thread_command *threadCommand;
}
- (unsigned long)pc;
@@end

@@interface UnixThreadCommand: ThreadCommand
{
}
- (char *)commandName;
@@end
@


1.5
log
@add support for getting pc of thread load commands
@
text
@d2 1
a2 1
 * $Id: LoadCommand.h,v 1.4 93/10/31 21:34:32 ediger Exp Locker: ediger $
d4 3
d47 2
@


1.4
log
@removed declarations of +new and -printSections
@
text
@d2 1
a2 1
 * $Id: LoadCommand.h,v 1.3 93/10/28 00:07:34 ediger Exp Locker: ediger $
d4 3
d17 2
d21 1
d39 2
d117 1
@


1.3
log
@ditch an unused, unnecessary instance variable
@
text
@d2 1
a2 1
 * $Id: LoadCommand.h,v 1.2 93/10/27 23:42:43 ediger Exp Locker: ediger $
d4 3
a39 2
+ new;

a59 2

- printSections;
@


1.2
log
@changed to one subclass per type of load command
@
text
@d2 5
a6 2
 * $Id$
 * $Log$
d19 2
a20 2
    BOOL                 mapped;  // subclasses set as appropriate
    BOOL                 otherFile;  // load command represents another file
d34 1
a34 1
// subclasses need to override these:
d51 3
a57 1
    int                     nextSection;
@


1.1
log
@Initial revision
@
text
@d1 4
d8 1
d11 1
a11 10
union segment_hdr {
    struct load_command    lc;
    struct segment_command segmentc;
    struct fvmlib_command  fvmlibc;
    struct thread_command  threadc;
    struct symtab_command  symtabc;
    struct symseg_command  symsegc;
    struct ident_command   idc;
    struct fvmfile_command fvmfilec;
};
d15 3
a17 2
    union segment_hdr *loadCommand;
    struct section    **sections;
a19 1
+ new;
d21 2
d25 7
d34 1
a34 1
- fillSections;
a35 2
- (unsigned long)getBaseAddress;

d40 2
d44 1
a44 1
- (unsigned long)commandSize;
d46 9
d57 1
a57 1
//- (int)compareBaseAddress:anotherSegment;
d59 52
@