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Improved stack handling for os9 target in lwlink Added "stack" as a valid symbol in the __os9 section. All instances of __os9 are now polled for "stack" symobls and the values added to the stack size set in the linker script. The stack size is then added to the final data size of the module. Also set a default minimum stack size of 32 bytes.
author William Astle <lost@l-w.ca>
date Thu, 31 Jan 2013 19:34:54 -0700
parents 155799f6cfa5
children
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><DIV
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><H1
><A
NAME="AEN693"
></A
>Chapter 4. LWLINK</H1
><P
>The LWTOOLS linker is called LWLINK. This chapter documents the various features
of the linker.</P
><DIV
CLASS="SECTION"
><H1
CLASS="SECTION"
><A
NAME="AEN696"
>4.1. Command Line Options</A
></H1
><P
>The binary for LWLINK is called "lwlink". Note that the binary is in lower
case. lwlink takes the following command line arguments.</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><CODE
CLASS="OPTION"
>--decb</CODE
>, <CODE
CLASS="OPTION"
>-b</CODE
></DT
><DD
><P
>Selects the DECB output format target. This is equivalent to <CODE
CLASS="OPTION"
>--format=decb</CODE
></P
></DD
><DT
><CODE
CLASS="OPTION"
>--output=FILE</CODE
>, <CODE
CLASS="OPTION"
>-o FILE</CODE
></DT
><DD
><P
>This option specifies the name of the output file. If not specified, the
default is <CODE
CLASS="OPTION"
>a.out</CODE
>.</P
></DD
><DT
><CODE
CLASS="OPTION"
>--format=TYPE</CODE
>, <CODE
CLASS="OPTION"
>-f TYPE</CODE
></DT
><DD
><P
>This option specifies the output format. Valid values are <CODE
CLASS="OPTION"
>decb</CODE
>
and <CODE
CLASS="OPTION"
>raw</CODE
></P
></DD
><DT
><CODE
CLASS="OPTION"
>--raw</CODE
>, <CODE
CLASS="OPTION"
>-r</CODE
></DT
><DD
><P
>This option specifies the raw output format.
It is equivalent to <CODE
CLASS="OPTION"
>--format=raw</CODE
>
and <CODE
CLASS="OPTION"
>-f raw</CODE
></P
></DD
><DT
><CODE
CLASS="OPTION"
>--script=FILE</CODE
>, <CODE
CLASS="OPTION"
>-s</CODE
></DT
><DD
><P
>This option allows specifying a linking script to override the linker's
built in defaults.</P
></DD
><DT
><CODE
CLASS="OPTION"
>--section-base=SECT=BASE</CODE
></DT
><DD
><P
>Cause section SECT to load at base address BASE. This will be prepended
to the built-in link script. It is ignored if a link script is provided.</P
></DD
><DT
><CODE
CLASS="OPTION"
>--map=FILE</CODE
>, <CODE
CLASS="OPTION"
>-m FILE</CODE
></DT
><DD
><P
>This will output a description of the link result to FILE.</P
></DD
><DT
><CODE
CLASS="OPTION"
>--library=LIBSPEC</CODE
>, <CODE
CLASS="OPTION"
>-l LIBSPEC</CODE
></DT
><DD
><P
>Load a library using the library search path. LIBSPEC will have "lib" prepended
and ".a" appended.</P
></DD
><DT
><CODE
CLASS="OPTION"
>--library-path=DIR</CODE
>, <CODE
CLASS="OPTION"
>-L DIR</CODE
></DT
><DD
><P
>Add DIR to the library search path.</P
></DD
><DT
><CODE
CLASS="OPTION"
>--debug</CODE
>, <CODE
CLASS="OPTION"
>-d</CODE
></DT
><DD
><P
>This option increases the debugging level. It is only useful for LWTOOLS
developers.</P
></DD
><DT
><CODE
CLASS="OPTION"
>--help</CODE
>, <CODE
CLASS="OPTION"
>-?</CODE
></DT
><DD
><P
>This provides a listing of command line options and a brief description
of each.</P
></DD
><DT
><CODE
CLASS="OPTION"
>--usage</CODE
></DT
><DD
><P
>This will display a usage summary
of each command line option.</P
></DD
><DT
><CODE
CLASS="OPTION"
>--version</CODE
>, <CODE
CLASS="OPTION"
>-V</CODE
></DT
><DD
><P
>This will display the version of LWLINK.</P
></DD
></DL
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