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New option and #pragma --local-strings that causes string literals to be

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output immediately.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4504 b7a2c559-68d2-44c3-8de9-860c34a00d81
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uz
2009-12-08 20:35:24 +00:00
parent 2bca737f57
commit 7d94dc50a1
8 changed files with 113 additions and 35 deletions
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29
doc/cc65.sgml
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@@ -84,6 +84,7 @@ Long options:
--forget-inc-paths Forget include search paths
--help Help (this text)
--include-dir dir Set an include directory search path
--local-strings Emit string literals immediately
--register-space b Set space available for register variables
--register-vars Enable register variables
--rodata-name seg Set the name of the RODATA segment
@@ -192,6 +193,20 @@ Here is a description of all the command line options:
Print the short option summary shown above.
<label id="option-local-strings">
<tag><tt>--local-strings</tt></tag>
Emit string literals to the data segment when they're encountered in the
source. The default is to keep string literals until end of assembly, merge
read only literals if possible, and then output the literals into the data
or rodata segment that is active at that point. Use of this option prevents
merging of duplicate strings, but the options that change the name of one of
the data segments will work.
You can also use <tt><ref id="pragma-local-strings"
name="#pragma&nbsp;local-strings"></tt> for fine grained control.
<tag><tt>-o name</tt></tag>
Specify the name of the output file. If you don't specify a name, the
@@ -868,6 +883,20 @@ parameter with the <tt/#pragma/.
</verb></tscreen>
<sect1><tt>#pragma local-strings ([push,] on|off)</tt><label id="pragma-local-strings"><p>
When "on", emit string literals to the data segment when they're encountered
in the source. The default ("off") is to keep string literals until end of
assembly, merge read only literals if possible, and then output the literals
into the data or rodata segment that is active at that point.
Using this <tt/#pragma/ it is possible to control the behaviour from within
the source. When <tt/#pragma local-strings/ is active, string literals are
output immediately, which means that they go into the currently active data
or rodata segment, but cannot be merged. When inactive, string literals are
remembered and output as a whole when translation is finished.
<sect1><tt>#pragma optimize ([push,] on|off)</tt><label id="pragma-optimize"><p>
Switch optimization on or off. If the argument is "off", optimization is