diff options
| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-26 16:38:00 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-26 16:38:00 -0400 |
| commit | 97d5c458cfa039d857301e1ca7d5af3beb37131d (patch) | |
| tree | b460cd850d0537eb71806ba30358840377b27688 /static/v10/man1/mc68ld.1 | |
| parent | b89dc2331a50c63f8b33272a5c4c61ab98abdaa3 (diff) | |
build: Better Build System
Diffstat (limited to 'static/v10/man1/mc68ld.1')
| -rwxr-xr-x | static/v10/man1/mc68ld.1 | 341 |
1 files changed, 0 insertions, 341 deletions
diff --git a/static/v10/man1/mc68ld.1 b/static/v10/man1/mc68ld.1 deleted file mode 100755 index 5d64faf2..00000000 --- a/static/v10/man1/mc68ld.1 +++ /dev/null @@ -1,341 +0,0 @@ -.\" @(#) ld.1: 2.3 11/17/83 -.ds ZZ DEVELOPMENT PACKAGE -.TH MC68LD 1 "630 MTG" -.SH NAME -mc68ld \- link editor for MC68000 object files -.SH SYNOPSIS -\f3mc68ld [\f1 options \f3]\f1 file-names -.SH DESCRIPTION -The -.I mc68ld -command -combines several -object files into one, -performs relocation, -resolves external symbols, -and supports symbol table information -for symbolic debugging. -In the simplest case, the names of several object -programs are given, and -.I mc68ld -combines them, producing -an object module that can either be executed or -used as input for a subsequent -.I mc68ld -run. -The output of -.I mc68ld -is left in -.BR mc68a.out . -This file is executable -if no errors occurred during the load. -If any input file, -.IR file-name , -is not an object file, -.I mc68ld -assumes it is either a text file containing link editor directives -or an archive library. -(See -the \f2Link Editor\f1 in the \f2UNIX System V Support Tools -Guide\f1 for a discussion of input directives.) -.PP -If any argument is a library, it is searched exactly once -at the point it is encountered in the argument list. -Only those routines defining an unresolved external -reference are loaded. -The order of library members is unimportant because -\fImc68ld\fR passes through each library's (archive) symbol -table as many times as necessary until no new -external symbols are resolved and no new references are generated. -.PP -The following options are recognized by -.IR mc68ld . -.TP \w'\fB\-u\fP\ symname\ \ 'u -.if !'mc68'' \{\ -.B \-a -Produces an absolute file; gives warnings for undefined references. -Relocation information is stripped from the output object file -unless the -.B \-r -option is given. The -.B \-r -option is needed only when an absolute file should retain its -relocation information (the normal case for the 630 MTG -downloaded programs). -If neither -.BR \-a " nor " \-r -is given, -.B \-a -is assumed. -\} -.TP -.BR \-e " epsym" -Sets the default entry point address for the output file to be that of -the symbol -.IR epsym . -.if \nF \{\ -This option forces the -.B \-X -option to be set. \} -.TP -.BR \-f " fill" -Sets the default fill pattern for ``holes'' within -an output section as well as initialized bss sections. -The argument \fIfill\fP is a two-byte constant. -.if 'mc68'b16' \{\ -.TP -.B \-i -This option specifies that separate ``I'' and ``D'' space are to be -generated. -.B \-i -has no effect if -.B \-tv -is given. -This allows 64K of instructions and 64K of data. -'br \} -.if 'mc68'x86' \{\ -.TP -.B \-i -This option specifies that separate ``I'' and ``D'' space is to be -generated. -The option -.B \-i -has no effect if -.B \-tv -is given. -This allows up to 1 MB of text and 1 MB of data. -'br \} -.ie \nD \{\ -.TP -.BR \-l "x" -Searchs a library -.BI lib x .a, -where \fIx\fR is up to seven characters. -A library is searched when its name is encountered, -so the placement of a \fB\-l\fR -is significant. -By default, libraries are located in -.ie 'mc68'' -.BR /lib. -.el $DMD/lib. -'br \} -.el \{\ -.TP -.BI \-l x -Searches a library -.BI lib x .a, -where \fIx\fR is up to seven characters. -A library is searched when its name is encountered, -so the placement of a \fB\-l\fR -is significant. -By default, libraries are located in -.ie 'mc68'' /lib and /usr/lib. -.el $DMD/lib . -'br \} -.TP -.B \-m -Produces a map or listing of the input/output sections -on the standard output. -.TP -.BR \-o " outfile" -Produces an output object file by the name -.IR outfile . -The name of the default object file is -.BR mc68a.out . -.TP -.B \-r -Retains relocation entries in -the output object file. -Relocation entries must be saved if the -output file is to become an input file in a -subsequent -.I mc68ld -run. -.ie 'mc68'' The -.el \{\ -Unless -.B \-a -is also given, the -\} -link editor will not complain about -unresolved references. -.TP -.B \-s -Strips line number entries and -symbol table information -from the output object file. -.if \nG \{\ -.TP -.B \-t -Turns off the warning about multiply defined symbols that are -not the same size. -'br \} -.if \nC \{\ -.TP -.B \-tv -Transfer vector object files are expected. -When libraries are searched with this option, -component object modules with the wrong magic -number are ignored (as are transfer vector modules -when -.B \-tv -is not given). -The default is -.I no -transfer vectors. -'br \} -.TP -.BR \-u " symname" -Enters \fIsymname\fP as an undefined symbol -in the symbol table. -This is useful -for loading entirely from a library, since initially the symbol -table is empty and an unresolved reference is needed -to force the loading of the first routine. -.\" .if \nG \{\ -.\" .TP -.\" .B \-x -.\" Do not preserve local (non-.globl) symbols in the output symbol -.\" table; enter external and static symbols only. This option saves -.\" some space in the output file. -.\" 'br \} -.if \nH \{\ -.TP -.B \-z -Do not bind anything to address zero. This option will catch null -pointers. -.TP -.B \-F -Allows the object module to be paged. -'br \} -.TP -.BR \-L " dir" -Changes the algorithm of searching for -.BI lib x .a -to look in -.IR dir -before looking in $DMD/lib. -This option is effective only if it precedes the -.B \-l -option on the command line. -.if \nG \{\ -.TP -.B \-M -Outputs a message for each multiply defined external definition. -'br \} -.TP -.B \-N -Puts the data section immediately following the text in the output file. -.TP -.B \-V -Outputs a message giving information about the version of mc68ld -being used. -.TP -.BR \-VS " num" -Uses -\f2num\f1 -as a decimal version stamp -identifying the -.BR mc68a.out -file that is produced. The version -stamp is stored in the optional header. -.if \nF \{\ -.TP -.B \-X -Generates a standard UNIX file header within the ``optional header'' -field in the output file. -'br \} -.DT -.br -.DT -.SH FILES -.PD 0 -.TP 25 -.ie 'mc68'' /lib/lib\fI?\fR.a -.el $DMD/lib/lib\fI?\fR.a -libraries -.if 'mc68'' \{\ -.TP 25 -/usr/lib/lib?.a -libraries -\} -.TP 25 -mc68a.out -output file -.PD -.SH "SEE ALSO" -dmdcc(1), mc68as(1). -.br -a.out(4), ar(4) in the \f2UNIX System V Programmer's -Reference Manual\f1. -.bp -.SH WARNINGS -Through its options and input directives, the Motorola 68000 link editor gives -users great flexibility; -however, those who use the input directives must assume -some added responsibilities. -Input directives and options should insure the following properties -for programs: -.if 'mc68'b16' \{\ -.IP \- 5 -C programs must have data -.RB ( .data "), bss (" .bss ), -and stack space in one 64K byte region. -Stack space -.I must -be provided. -'br \} -.IP \- 5 -C defines a zero pointer as null. -A pointer to which zero has been assigned must -not point to any object. -To satisfy this, users must not place any object -at virtual address zero in the data space. -.tr ~ -.IP \- 5 -When the link editor is called through -.IR dmdcc (1), -a startup routine is linked with the user's program. This -routine usually calls exit(~) [see -.IR exit (3R)] -after execution of the main program. If the user -calls the link editor directly, then the user must insure that -the program always calls exit(~) rather than falling through the -end of the entry routine. -.if 'mc68'b16' \{\ -.IP \- 5 -Without a transfer vector, all text (code) -must reside within a single 64K-byte area. -Transfer vector function linkage removes this -restriction. -.PP -By default, the link editor takes care of these -things. -Specifying regions or defining sections with names other -than -.BR .bss ", " .data ", " .text ", or" -.B .tv -can decrease the link editor's ability to do these -automatically. -In general, users should not specify regions when the -program uses a transfer vector. -'br \} -.if \nC \{\ -.SH BUGS -.I mc68ld -can not currently create transfer vector symbols. -Thus no symbols created through assignment in an -input directive will be given an entry in the transfer vector. -In particular, this means the entry point of a program -can not be redefined by assignment to -.BR main . -Unsuspecting users who create such a symbol and expect it -to be in the transfer vector receive an obscure error -message about an invalid transfer vector relocation reference. -'br \} -.PP -The -\f3\-VS\f1 \f2num\f1 -option has an effect only when the -.B "\-X" -option is also selected. |
