6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-20 00:20:11 +00:00
Code Issues Projects Releases Wiki Activity

Implement aliases. This fixes PR1017 and it's dependent bugs. CFE part

Browse Source 
will follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36435 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2007-04-25 14:27:10 +00:00
parent 24a3cc4c83
commit 8b0a8c84da
22 changed files with 552 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files
docs/BytecodeFormat.html
+61 -6
View File
@@ -943,11 +943,11 @@ all functions. The format is shown in the table below:</p>
target triple specified, i.e. a platform-independent module).</td>
</tr>
<tr>
<td><a href="#string">string</a></td>
<td class="td_left">The data layout string describing the endianness,
pointer size, and type alignments for which the module was written
(blank means no data layout specified, i.e. a platform-independent
module).</td>
<td><a href="#string">string</a></td>
<td class="td_left">The data layout string describing the endianness,
pointer size, and type alignments for which the module was written
(blank means no data layout specified, i.e. a platform-independent
module).</td>
</tr>
<tr>
<td><a href="#llist">llist</a>(<a href="#string">string</a>)</td>
@@ -959,6 +959,11 @@ all functions. The format is shown in the table below:</p>
<td><a href="#string">string</a></td>
<td class="td_left">The inline asm block for this module.</td>
</tr>
<tr>
<td><a href="#zlist">zlist</a>(<a href="#alias">alias</a>)</td>
<td class="td_left">A zero terminated list of aliases occurring in the
module.</td>
</tr>
</tbody>
</table>
</div>
@@ -1123,7 +1128,7 @@ href="#uint32_vbr">uint32_vbr</a> that describes the function.</p>
<td><a href="#bit">bit(5-30)</a></td>
<td class="td_left">Type slot number of type for the function.</td>
</tr>
<tr>
<tr>
<td><a href="#bit">bit(31)</a></td>
<td class="td_left">Indicates whether an extension word follows.</td>
</tr>
@@ -1185,6 +1190,56 @@ follows with the following fields:</p>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsubsection"><a name="alias">Alias Field</a>
</div>
<div class="doc_text">
<p>Aliases are written using 3 <a href="#uint32_vbr">uint32_vbr</a>
that encode information about alias itself and aliasee.</p>
<p>The table below provides the bit layout of
the first <a href="#uint32_vbr">uint32_vbr</a> which describes alias itself.</p>
<table>
<tbody>
<tr>
<th><b>Type</b></th>
<th class="td_left"><b>Description</b></th>
</tr>
<tr>
<td><a href="#bit">bit(0-1)</a></td>
<td class="td_left">Alias linkage. 0 - External linkage, 1 - Internal
linkage, 2 - Weak linkage.</td>
</tr>
<tr>
<td><a href="#bit">bit(2-31)</a></td>
<td class="td_left">Type slot number of type for the alias itself.</td>
</tr>
</tbody>
</table>
<p>The next two <a href="#uint32_vbr">uint32_vbr's</a> describes the
aliasee. </p>
<table>
<tbody>
<tr>
<th><b>Type</b></th>
<th class="td_left"><b>Description</b></th>
</tr>
<tr>
<td><a href="#uint32_vbr">uint32_vbr</a></td>
<td class="td_left">Type slot number of type for the aliasee.</td>
</tr>
<tr>
<td><a href="#uint32_vbr">uint32_vbr</a></td>
<td class="td_left">Slot number of the aliasee.</td>
</tr>
</tbody>
</table>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsection"><a name="constantpool">Constant Pool</a> </div>
<div class="doc_text">