diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/BytecodeFormat.html | 67 | ||||
| -rw-r--r-- | docs/LangRef.html | 35 |
2 files changed, 89 insertions, 13 deletions
diff --git a/docs/BytecodeFormat.html b/docs/BytecodeFormat.html index 56fc0af..396bf2f 100644 --- a/docs/BytecodeFormat.html +++ b/docs/BytecodeFormat.html @@ -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> @@ -1186,6 +1191,56 @@ 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"> <p>A constant pool defines as set of constant values. There are diff --git a/docs/LangRef.html b/docs/LangRef.html index 2fb27f6..807d104 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -498,7 +498,8 @@ outside of the current module.</p> <p>It is illegal for a function <i>declaration</i> to have any linkage type other than "externally visible", <tt>dllimport</tt>, or <tt>extern_weak</tt>.</p> - +<p>Aliases can have only <tt>external</tt>, <tt>internal</tt> and <tt>weak</tt> +linkages. </div> <!-- ======================================================================= --> @@ -602,12 +603,11 @@ All Global Variables and Functions have one of the following visibility styles: <p>Global variables define regions of memory allocated at compilation time instead of run-time. Global variables may optionally be initialized, may have -an explicit section to be placed in, and may -have an optional explicit alignment specified. A variable may be defined as -"thread_local", which means that it will not be shared by threads (each thread -will have a separated copy of the variable). -A variable may be defined as a global "constant," which indicates that the -contents of the variable will <b>never</b> be modified (enabling better +an explicit section to be placed in, and may have an optional explicit alignment +specified. A variable may be defined as "thread_local", which means that it +will not be shared by threads (each thread will have a separated copy of the +variable). A variable may be defined as a global "constant," which indicates +that the contents of the variable will <b>never</b> be modified (enabling better optimization, allowing the global data to be placed in the read-only section of an executable, etc). Note that variables that need runtime initialization cannot be marked "constant" as there is a store to the variable.</p> @@ -698,6 +698,27 @@ a power of 2.</p> </div> + +<!-- ======================================================================= --> +<div class="doc_subsection"> + <a name="aliasstructure">Aliases</a> +</div> +<div class="doc_text"> + <p>Aliases act as "second name" for the aliasee value (which can be either + function or global variable). Aliases may have an + optional <a href="#linkage">linkage type</a>, and an + optional <a href="#visibility">visibility style</a>.</p> + + <h5>Syntax:</h5> + + <pre> + @<Name> = [Linkage] [Visibility] alias <AliaseeTy> @<Aliasee> + </pre> + +</div> + + + <!-- ======================================================================= --> <div class="doc_subsection"><a name="paramattrs">Parameter Attributes</a></div> <div class="doc_text"> |