RAD Studio - Recent changes [en]

RAD Studio - Recent changes [en] https://docwiki.embarcadero.com/RADStudio/Athens/en/Special:RecentChanges Track the most recent changes to the wiki in this feed. en MediaWiki 1.43.0 Mon, 12 Oct 2026 21:21:27 GMT Technical Details About LLD https://docwiki.embarcadero.com/RADStudio/Athens/e/index.php?title=Technical_Details_About_LLD&diff=278895&oldid=277456 https://docwiki.embarcadero.com/RADStudio/Athens/e/index.php?title=Technical_Details_About_LLD&diff=278895&oldid=277456 <p><span class="autocomment">Linker Settings</span></p> <table style="background-color: #fff; color: #202122;" 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 00:36, 6 October 2026</td> </tr><tr><td colspan="4" class="diff-multi" lang="en">(One intermediate revision by the same user not shown)</td></tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l11">Line 11:</td> <td colspan="2" class="diff-lineno">Line 11:</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><ul></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><ul></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><li>'''Garbage collects unused sections''': maps to {{code|--gc-sections}}, and when disabled {{code|--no-gc-sections}}. This may be very useful for reducing the size of your final binary (EXE or DLL).</li></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><li>'''Garbage collects unused sections''': maps to {{code|--gc-sections}}, and when disabled {{code|--no-gc-sections}}. This may be very useful for reducing the size of your final binary (EXE or DLL).</li></div></td></tr> <tr><td class="diff-marker" data-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><li>'''Data Execution Prevention compatible''' (on by default). When disabled it maps to {{code|--disable-nxcompat}}.</div></td><td class="diff-marker" data-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><li>'''Data Execution Prevention compatible''' (on by default). When disabled<ins style="font-weight: bold; text-decoration: none;">, </ins>it maps to {{code|--disable-nxcompat}}.</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><li>'''Delay Load DLL''': maps to {{code|1=--delayload=..}}. Allows a list of DLLs to delay-load.</li></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><li>'''Delay Load DLL''': maps to {{code|1=--delayload=..}}. Allows a list of DLLs to delay-load.</li></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><li>'''File alignment''': maps to {{code|1=--file-alignment=}} with a 0x200 (512) default value.<br></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><li>'''File alignment''': maps to {{code|1=--file-alignment=}} with a 0x200 (512) default value.<br></div></td></tr> <tr><td class="diff-marker" data-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>{{Attention|This value must be <del style="font-weight: bold; text-decoration: none;">multiples </del>of 512 bytes.}}</li></div></td><td class="diff-marker" data-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>{{Attention|This value must be <ins style="font-weight: bold; text-decoration: none;">a multiple </ins>of 512 bytes.}}</li></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;"><br></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;"><br></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><li>'''Object alignment''': maps to {{code|1=--section-alignment=}} with a 0x1000 (4096) default value. <br></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><li>'''Object alignment''': maps to {{code|1=--section-alignment=}} with a 0x1000 (4096) default value. <br></div></td></tr> <tr><td class="diff-marker" data-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>{{Attention|This value must be <del style="font-weight: bold; text-decoration: none;">multiples </del>of 512 bytes.}}</li></div></td><td class="diff-marker" data-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>{{Attention|This value must be <ins style="font-weight: bold; text-decoration: none;">a multiple </ins>of 512 bytes.}}</li></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><li>'''ASLR/High entropy address space layout randomization''' (on by default): maps to {{code|--disable-dynamicbase}} when disabled.</li></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><li>'''ASLR/High entropy address space layout randomization''' (on by default): maps to {{code|--disable-dynamicbase}} when disabled.</li></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><li>'''Verbose linking''': is useful to diagnose linking issues.</li></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><li>'''Verbose linking''': is useful to diagnose linking issues.</li></div></td></tr> <tr><td class="diff-marker" data-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><li>'''<del style="font-weight: bold; text-decoration: none;">Refile and </del>object<del style="font-weight: bold; text-decoration: none;">/</del>section alignment''': <del style="font-weight: bold; text-decoration: none;">note that </del>the <del style="font-weight: bold; text-decoration: none;">linker also supports data </del>alignment <del style="font-weight: bold; text-decoration: none;">on </del>16-byte <del style="font-weight: bold; text-decoration: none;">boundaries, which is key for </del>newer instruction sets. <del style="font-weight: bold; text-decoration: none;">Legacy </del>ilink did not, which <del style="font-weight: bold; text-decoration: none;">was one reason we did not enable </del>newer instruction sets by default in the past.</li></div></td><td class="diff-marker" data-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><li>'''<ins style="font-weight: bold; text-decoration: none;">Per-</ins>object section alignment''': <ins style="font-weight: bold; text-decoration: none;">LLD honors </ins>the alignment <ins style="font-weight: bold; text-decoration: none;">requested by each object file's sections, including </ins>16-byte <ins style="font-weight: bold; text-decoration: none;">alignment required by </ins>newer instruction sets <ins style="font-weight: bold; text-decoration: none;">(SSE/AVX)</ins>. <ins style="font-weight: bold; text-decoration: none;">The legacy </ins>ilink <ins style="font-weight: bold; text-decoration: none;">linker </ins>did not <ins style="font-weight: bold; text-decoration: none;">honor per-object alignment</ins>, which <ins style="font-weight: bold; text-decoration: none;">is why </ins>newer instruction sets <ins style="font-weight: bold; text-decoration: none;">were not enabled </ins>by default in the past.</li><li> Now {{Product}} supports {{code|-fdata-sections}} and {{code|-ffunction-sections}} compilers options.</div></td></tr> <tr><td class="diff-marker" data-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><li> Now {{Product}} supports {{code|-fdata-sections}} and {{code|-ffunction-sections}} compilers options.</div></td><td colspan="2" class="diff-side-added"></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> </table> Tue, 06 Oct 2026 00:36:04 GMT Nicolas.rios https://docwiki.embarcadero.com/RADStudio/Athens/en/Talk:Technical_Details_About_LLD