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Added System::Call direct register memory access type

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@6505 212acab6-be3b-0410-9dea-997c60f758d6
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anders_k 2014-06-27 14:27:32 +00:00
parent d43e3a717c
commit 2fb86bfa29
6 changed files with 47 additions and 22 deletions
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16
Contrib/System/System.html
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@ -281,6 +281,10 @@ DetailPrint $4
<th>k</th>
<td>callback</td>
</tr>
<th>@</th>
<td>Direct register memory access (Buffer is limited to <code>(NSIS_MAX_STRLEN - 21) * NSIS_CHAR_SIZE</code> bytes)</td>
</tr>
<tr>
<tr>
<th>&amp;v<i>N</i></th>
<td><i>N</i> bytes padding (structures only)</td>
@ -371,6 +375,7 @@ DetailPrint $4
<td>null for source, no output required for destination</td>
</tr>
</table>
<p>Source is required when using the @ type and must be a register. When the call returns the source register already contains the memory address in string form so using destination is usually <a href="#directvarmemparam">not necessary</a>.
</blockquote>
<h4>Callbacks</h4>
@ -492,16 +497,23 @@ DetailPrint "Return value - $2"
<blockquote><pre>
<a name="structaddr"></a>System::Alloc 4
Pop $0
System::<b>Call</b> "*$0(i 5)"
System::<b>Call</b> "*$0(i .r1)"
System::<b>Call</b> "*$0(i 5)" ; Write
System::<b>Call</b> "*$0(i .r1)" ; Read
System::Free $0
DetailPrint $1
</pre></blockquote>
<blockquote><pre>
<a name="newstruct"></a>System::<b>Call</b> "*(i 5) p .r0"
System::<b>Call</b> "*$0(i .r1)"
System::Free $0
DetailPrint $1
</pre></blockquote>
<blockquote><pre>
<a name="directvarmemparam"></a>System::<b>Call</b> "user32::GetClientRect(p $hwndparent, @ r0)"
System::<b>Call</b> "*$0(i,i,i.r1,i.r2)"
DetailPrint ClientRect=$1x$2
</pre></blockquote>
<blockquote><pre>
<a name="com"></a># defines
!define CLSCTX_INPROC_SERVER 1
!define CLSID_ActiveDesktop {75048700-EF1F-11D0-9888-006097DEACF9}