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Fix crash on listing when nested noexpand macros are used Macros flagged noexpand were causing a segfault during listing. The problem was incorrect accounting for nesting levels for noexpand macros causing the listing handler to fall off the end of the program in certain circumstances and in other circumstances it would fail to suppress expansion. Both the segfault in the case of misbehaviour and the misbhaviour itself are corrected with this update. If you do not use nested noexpand macros, this bug has no effect.
author William Astle <lost@l-w.ca>
date Sat, 25 May 2013 13:35:46 -0600
parents 155799f6cfa5
children
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>Chapter 4. LWLINK</H1
><P
>The LWTOOLS linker is called LWLINK. This chapter documents the various features
of the linker.</P
><DIV
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><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
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><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
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><P
>This option specifies the output format. Valid values are <CODE
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>decb</CODE
>
and <CODE
CLASS="OPTION"
>raw</CODE
></P
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><DT
><CODE
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>--raw</CODE
>, <CODE
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>-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
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>--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
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><DT
><CODE
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>--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
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