https://wiki.freepascal.org/index.php?title=FPC_HowToDo&feed=atom&action=history
FPC HowToDo - Revision history
2024-03-29T09:38:08Z
Revision history for this page on the wiki
MediaWiki 1.35.6
https://wiki.freepascal.org/index.php?title=FPC_HowToDo&diff=157599&oldid=prev
Bart: update link to bugtracker
2023-11-05T16:00:51Z
<p>update link to bugtracker</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 16:00, 5 November 2023</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>
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<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>This page provides blueprints of features, both mandatory and optional, which have been implemented/tested on at least one platform, but that still have to or could be added for other platforms. When adding a new entry, please add as much technical information as needed about the existing implementations for other platforms and the generic support routines which are available. Do not just add bug fix requests, that is what [<del class="diffchange diffchange-inline">http</del>://<del class="diffchange diffchange-inline">bugs</del>.freepascal.org <del class="diffchange diffchange-inline">Mantis</del>] is for.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>This page provides blueprints of features, both mandatory and optional, which have been implemented/tested on at least one platform, but that still have to or could be added for other platforms. When adding a new entry, please add as much technical information as needed about the existing implementations for other platforms and the generic support routines which are available. Do not just add bug fix requests, that is what [<ins class="diffchange diffchange-inline">https</ins>://<ins class="diffchange diffchange-inline">gitlab</ins>.<ins class="diffchange diffchange-inline">com/</ins>freepascal.org<ins class="diffchange diffchange-inline">/fpc/source/-/issues/ the bugtracker</ins>] is for.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Note that description of [[System unit structure]] (especially the internal platform-specific implementation) provides another useful source of information for porting to new platforms (and aligning behaviour for the existing ports). In general, descriptions appearing here and related to System unit are expected to move to [[System unit structure]] sooner or later.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Note that description of [[System unit structure]] (especially the internal platform-specific implementation) provides another useful source of information for porting to new platforms (and aligning behaviour for the existing ports). In general, descriptions appearing here and related to System unit are expected to move to [[System unit structure]] sooner or later.</div></td></tr>
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Bart
https://wiki.freepascal.org/index.php?title=FPC_HowToDo&diff=139292&oldid=prev
Xhajt03: /* Native Widestring manager for OS/2 has already been available for some time; information about fpWidestring as a generic system-independent solution added as well */
2020-08-18T13:45:38Z
<p><span dir="auto"><span class="autocomment">Native Widestring manager for OS/2 has already been available for some time; information about fpWidestring as a generic system-independent solution added as well</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:45, 18 August 2020</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l8" >Line 8:</td>
<td colspan="2" class="diff-lineno">Line 8:</td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Required for''': proper functioning of locale-dependent widestring and ansistring operations (assignments, comparisons)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Required for''': proper functioning of locale-dependent widestring and ansistring operations (assignments, comparisons)</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms implemented''': Windows, unix</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms implemented''': Windows, unix<ins class="diffchange diffchange-inline">, OS/2, generic (fpWidestring)</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms Todo''': symbian, macos9, morphos, netware</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms Todo''': symbian, macos9, morphos, netware</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Generic usable routines''': rtl/inc/wstringh.inc, rtl/inc/wustring.inc</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Generic usable routines''': rtl/inc/wstringh.inc, rtl/inc/wustring.inc</div></td></tr>
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Xhajt03
https://wiki.freepascal.org/index.php?title=FPC_HowToDo&diff=139291&oldid=prev
Xhajt03: /* Widestring manager for OS/2 has already been available for some time */
2020-08-18T13:29:05Z
<p><span dir="auto"><span class="autocomment">Widestring manager for OS/2 has already been available for some time</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:29, 18 August 2020</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l9" >Line 9:</td>
<td colspan="2" class="diff-lineno">Line 9:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Required for''': proper functioning of locale-dependent widestring and ansistring operations (assignments, comparisons)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Required for''': proper functioning of locale-dependent widestring and ansistring operations (assignments, comparisons)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms implemented''': Windows, unix</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms implemented''': Windows, unix</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms Todo''': <del class="diffchange diffchange-inline">OS/2, </del>symbian, macos9, morphos, netware</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms Todo''': symbian, macos9, morphos, netware</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Generic usable routines''': rtl/inc/wstringh.inc, rtl/inc/wustring.inc</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Generic usable routines''': rtl/inc/wstringh.inc, rtl/inc/wustring.inc</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''What''': implement widestring manager helpers. Add them to your system unit if they can be linked into any binary, or into a unit called "cwstring" if they depend on an external library on which programs should not depend by default. If added to the system unit, also define ''FPC_NOGENERICANSIROUTINES'' at the top of your platform's sysutils unit.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''What''': implement widestring manager helpers. Add them to your system unit if they can be linked into any binary, or into a unit called "cwstring" if they depend on an external library on which programs should not depend by default. If added to the system unit, also define ''FPC_NOGENERICANSIROUTINES'' at the top of your platform's sysutils unit.</div></td></tr>
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Xhajt03
https://wiki.freepascal.org/index.php?title=FPC_HowToDo&diff=66831&oldid=prev
Chronos at 10:25, 17 March 2013
2013-03-17T10:25:23Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 10:25, 17 March 2013</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l70" >Line 70:</td>
<td colspan="2" class="diff-lineno">Line 70:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Existing implementations''': compiler/ppcgen/cgppc.pas (''a_load_subsetref_regs_noindex''), compiler/powerpc/cgcpu.pas (''a_load_subsetreg_reg'', ''a_load_subsetreg_subsetreg'', ''a_load_regconst_subsetreg_intern''), compiler/powerpc64/cgcpu.pas (''a_load_subsetreg_reg'', ''a_load_const_subsetreg'', ''a_load_regconst_subsetreg_intern'')</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Existing implementations''': compiler/ppcgen/cgppc.pas (''a_load_subsetref_regs_noindex''), compiler/powerpc/cgcpu.pas (''a_load_subsetreg_reg'', ''a_load_subsetreg_subsetreg'', ''a_load_regconst_subsetreg_intern''), compiler/powerpc64/cgcpu.pas (''a_load_subsetreg_reg'', ''a_load_const_subsetreg'', ''a_load_regconst_subsetreg_intern'')</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Tests''': tests/test/tparray*.pp, tests/test/tprec*.pp, tests/test/trecreg*.pp</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Tests''': tests/test/tparray*.pp, tests/test/tprec*.pp, tests/test/trecreg*.pp</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:FPC Todo]]</ins></div></td></tr>
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Chronos
https://wiki.freepascal.org/index.php?title=FPC_HowToDo&diff=39331&oldid=prev
Jonas: /* Weak linking */ -- implemented for Solaris by Pierre
2009-11-20T11:39:57Z
<p><span dir="auto"><span class="autocomment">Weak linking: </span> -- implemented for Solaris by Pierre</span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:39, 20 November 2009</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Required for''': supporting weakly linking symbols (symbols which may not be available at run time, and which map to NIL in that case)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Required for''': supporting weakly linking symbols (symbols which may not be available at run time, and which map to NIL in that case)</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms implemented''': Darwin, Linux (with external assembler)</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms implemented''': Darwin, Linux (with external assembler)<ins class="diffchange diffchange-inline">, Solaris</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms Todo''': All other platforms that support dynamic libraries, and the internal assembler/linker</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms Todo''': All other platforms that support dynamic libraries, and the internal assembler/linker</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Generic usable routines''': <tt>svn diff -c 12009 compiler/aggas.pas</tt> (all the rest are generic changes required for all platforms)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Generic usable routines''': <tt>svn diff -c 12009 compiler/aggas.pas</tt> (all the rest are generic changes required for all platforms)</div></td></tr>
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Jonas
https://wiki.freepascal.org/index.php?title=FPC_HowToDo&diff=37450&oldid=prev
Jonas: /* Dynamic library initialization/finalization */
2009-08-23T08:33:52Z
<p><span dir="auto"><span class="autocomment">Dynamic library initialization/finalization</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 08:33, 23 August 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l35" >Line 35:</td>
<td colspan="2" class="diff-lineno">Line 35:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** when ''(current_module.flags and uf_finalize)<>0'' call the ''current_procinfo.procdef'' when the library is finalised</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** when ''(current_module.flags and uf_finalize)<>0'' call the ''current_procinfo.procdef'' when the library is finalised</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Existing implementations''': The darwin implementation can be found in compiler/rtl/ncgutil.pas (''gen_proc_symbol_end'').</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Existing implementations''': The darwin implementation can be found in compiler/rtl/ncgutil.pas (''gen_proc_symbol_end'').</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* '''Tests''': <del class="diffchange diffchange-inline">None yet</del>.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* '''Tests''': <ins class="diffchange diffchange-inline">tests/webtbs/tw7838*</ins>.<ins class="diffchange diffchange-inline">pp, tests/webtbs/tw9089*.pp</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Weak linking ==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Weak linking ==</div></td></tr>
</table>
Jonas
https://wiki.freepascal.org/index.php?title=FPC_HowToDo&diff=31930&oldid=prev
Jonas: (u)int32x(u)int32 to (u)int64 multiplication has been implemented by Sergei Gorelkin
2008-11-06T21:11:55Z
<p>(u)int32x(u)int32 to (u)int64 multiplication has been implemented by Sergei Gorelkin</p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:11, 6 November 2008</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l53" >Line 53:</td>
<td colspan="2" class="diff-lineno">Line 53:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Required for''': optimizing 32x32->64 bit multiplications (several 32 bit architectures can do this without needing to perform a full 64 bit multiplication)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Required for''': optimizing 32x32->64 bit multiplications (several 32 bit architectures can do this without needing to perform a full 64 bit multiplication)</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms implemented''': PowerPC 32</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms implemented''': PowerPC 32 <ins class="diffchange diffchange-inline">and i386</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms Todo''': all other 32 bit architectures</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms Todo''': all other 32 bit architectures</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Generic routines''': compiler/nadd.pas (''use_generic_mul32to64''/''first_add64bitint''/''try_make_mul32to64'')</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Generic routines''': compiler/nadd.pas (''use_generic_mul32to64''/''first_add64bitint''/''try_make_mul32to64'')</div></td></tr>
</table>
Jonas
https://wiki.freepascal.org/index.php?title=FPC_HowToDo&diff=31868&oldid=prev
Jonas: /* Weak linking */
2008-11-02T11:02:31Z
<p><span dir="auto"><span class="autocomment">Weak linking</span></span></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
<col class="diff-marker" />
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<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:02, 2 November 2008</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l44" >Line 44:</td>
<td colspan="2" class="diff-lineno">Line 44:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Generic usable routines''': <tt>svn diff -c 12009 compiler/aggas.pas</tt> (all the rest are generic changes required for all platforms)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Generic usable routines''': <tt>svn diff -c 12009 compiler/aggas.pas</tt> (all the rest are generic changes required for all platforms)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''What''': when an asmsymbol's "bind" field equals AB_WEAK_EXTERNAL, mark it as a "weak" symbol in the assembler or object file, and add the newly supported platforms to the <tt>system_weak_linking</tt> set in compiler/systems.pas</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''What''': when an asmsymbol's "bind" field equals AB_WEAK_EXTERNAL, mark it as a "weak" symbol in the assembler or object file, and add the newly supported platforms to the <tt>system_weak_linking</tt> set in compiler/systems.pas</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* '''Tests''': tests/test/tweaklib1.pp and tests/test/<del class="diffchange diffchange-inline">tweaklib3</del>.pp (tweaklib3.pp and tweaklib4.pp are probably only necessary for Darwin, see the comments in tweaklib1.pp for more info)</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* '''Tests''': tests/test/tweaklib1.pp and tests/test/<ins class="diffchange diffchange-inline">tweaklib2</ins>.pp (tweaklib3.pp and tweaklib4.pp are probably only necessary for Darwin, see the comments in tweaklib1.pp for more info)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= Optional =</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= Optional =</div></td></tr>
</table>
Jonas
https://wiki.freepascal.org/index.php?title=FPC_HowToDo&diff=31850&oldid=prev
Jonas at 21:35, 1 November 2008
2008-11-01T21:35:17Z
<p></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:35, 1 November 2008</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>
<td colspan="2" class="diff-lineno">Line 1:</td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>This page provides blueprints of features, both mandatory and optional, which have been implemented/tested on at least one platform, but <del class="diffchange diffchange-inline">which </del>still have to or could be added for other platforms. When adding a new entry, please add as much technical information as needed about the existing implementations for other platforms and the generic support routines which are available. Do not just add bug fix requests, that is what [http://<del class="diffchange diffchange-inline">www</del>.freepascal.org<del class="diffchange diffchange-inline">/mantis </del>Mantis] is for.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>This page provides blueprints of features, both mandatory and optional, which have been implemented/tested on at least one platform, but <ins class="diffchange diffchange-inline">that </ins>still have to or could be added for other platforms. When adding a new entry, please add as much technical information as needed about the existing implementations for other platforms and the generic support routines which are available. Do not just add bug fix requests, that is what [http://<ins class="diffchange diffchange-inline">bugs</ins>.freepascal.org Mantis] is for.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Note that description of [[System unit structure]] (especially the internal platform-specific implementation) provides another useful source of information for porting to new platforms (and aligning behaviour for the existing ports). In general, descriptions appearing here and related to System unit are expected to move to [[System unit structure]] sooner or later.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Note that description of [[System unit structure]] (especially the internal platform-specific implementation) provides another useful source of information for porting to new platforms (and aligning behaviour for the existing ports). In general, descriptions appearing here and related to System unit are expected to move to [[System unit structure]] sooner or later.</div></td></tr>
</table>
Jonas
https://wiki.freepascal.org/index.php?title=FPC_HowToDo&diff=31849&oldid=prev
Jonas: /* Weak linking */
2008-11-01T21:31:33Z
<p><span dir="auto"><span class="autocomment">Weak linking</span></span></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:31, 1 November 2008</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l41" >Line 41:</td>
<td colspan="2" class="diff-lineno">Line 41:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Required for''': supporting weakly linking symbols (symbols which may not be available at run time, and which map to NIL in that case)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Required for''': supporting weakly linking symbols (symbols which may not be available at run time, and which map to NIL in that case)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms implemented''': Darwin, Linux (with external assembler)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms implemented''': Darwin, Linux (with external assembler)</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms Todo''': All other platforms <del class="diffchange diffchange-inline">which </del>support dynamic libraries, internal assembler <del class="diffchange diffchange-inline">and </del>linker</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* '''Platforms Todo''': All other platforms <ins class="diffchange diffchange-inline">that </ins>support dynamic libraries, <ins class="diffchange diffchange-inline">and the </ins>internal assembler<ins class="diffchange diffchange-inline">/</ins>linker</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Generic usable routines''': <tt>svn diff -c 12009 compiler/aggas.pas</tt> (all the rest are generic changes required for all platforms)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''Generic usable routines''': <tt>svn diff -c 12009 compiler/aggas.pas</tt> (all the rest are generic changes required for all platforms)</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''What''': when an asmsymbol's "bind" field equals AB_WEAK_EXTERNAL, mark it as a "weak" symbol in the assembler or object file, and add the newly supported platforms to the <tt>system_weak_linking</tt> set in compiler/systems.pas</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''What''': when an asmsymbol's "bind" field equals AB_WEAK_EXTERNAL, mark it as a "weak" symbol in the assembler or object file, and add the newly supported platforms to the <tt>system_weak_linking</tt> set in compiler/systems.pas</div></td></tr>
</table>
Jonas