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- <title>Object Files: Understanding The Result Of LLVM Compilation</title>
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-<div class="doc_title">
- Object Files: Understanding The Result Of LLVM Compilation
-</div>
-
-<ol>
- <li><a href="#abstract">Abstract</a></li>
- <li><a href="#introduction">Introduction</a></li>
- <li><a href="#files">File Contents</a></li>
- <li><a href="#rot">Linkage Rules Of Thumb</a>
- <ol>
- <li><a href="#always">Always Link vmcore.o, support.a</a>
- <li><a href="#placeholder">Placeholder</a>
- </ol>
- </li>
-</ol>
-
-<div class="doc_author">
- <p>Written by <a href="mailto:rspencer@x10sys.com">Reid Spencer</a></p>
-</div>
-
-<!-- ======================================================================= -->
-<div class="doc_section"><a name="abstract">Abstract</a></div>
-<div class="doc_text">
-<p>This document describes the contents of the many objects files and libraries
-that are produced by compiling LLVM. To make use of LLVM this information is
-needed in order to understand what files should be linked into your program.
-</p>
-</div>
-<!-- ======================================================================= -->
-<div class="doc_section"> <a name="introduction">Introduction</a></div>
-<div class="doc_text">
-<p>If you're writing a compiler, virtual machine, or any other utility for
- LLVM, you'll need to figure out which of the many .a (archive) and .o
- (object) files you will need to link with to be successful. An
- understanding of the contents of these files and their inter-relationships
- will be useful in coming up with an optimal specification for the objects
- and libraries to link with.
-</p>
-<p>The purpose of this document is to hopefully reduce some of the trial and
- error that the author experienced in using LLVM.
-</p>
-</div>
-<!-- ======================================================================= -->
-<div class="doc_section"><a name="files"></a>File Contents</div>
-<div class="doc_text">
-<p>The table below provides a summary of the basic contents of each file.</p>
-<table class="doc_table"
- style="width:80%; text-align: left; border: 2px solid gray; border-collapse: collapse;">
-<tr class="doc_table">
- <td colspan="2" class="doc_section">Summary Of LLVM Library And Object Files
- </td>
-</tr>
-<tr class="doc_table">
- <td><h2><u>Library</u></h2></td>
- <td><h2><u>Description</u></h2></td>
-</tr>
-<tr class="doc_table">
- <td>libipo.a</td>
- <td>
- An archive of all interprocedural optimizations.
- </td>
-</tr>
-<tr class="doc_table">
- <td>libscalaropts.a</td>
- <td>
- An archive of all scalar optimizations.
- </td>
-</tr>
-<tr class="doc_table">
- <td>libtransforms.a</td>
- <td>Uncategorized transformations.</td>
-</tr>
-<tr class="doc_table">
- <td>libtarget.a</td>
- <td>An archive containing generic code generator support.</td>
-</tr>
-<tr class="doc_table">
- <td>libanalysis.a</td>
- <td>An archive containing intraprocedural analyses.</td>
-</tr>
-<tr class="doc_table">
- <td>libdatastructure.a</td>
- <td>An archive containing Data Structure Analysis.</td>
-</tr>
-<tr class="doc_table">
- <td>libinstrument.a</td>
- <td>Intraprocedural instrumentation and utilities.</td>
-</tr>
-<tr class="doc_table">
- <td>libsparcv9regalloc.a</td>
- <td>SparcV9 graph-coloring register allocator.</td>
-</tr>
-<tr class="doc_table">
- <td>libipa.a</td>
- <td>An archive containing interprocedural analyses</td>
-</tr>
-<tr class="doc_table">
- <td>libtransformutils.a</td>
- <td>Utility functions for transformations.</td>
-</tr>
-<tr class="doc_table">
- <td>libsupport.a</td>
- <td>General support utilities</td>
-</tr>
-<tr class="doc_table">
- <td><h2><u>Object File</u></h2></td>
- <td><h2><u>Description</u></h2></td>
-</tr>
-<tr class="doc_table">
- <td>support.o</td>
- <td>General support utilities</td>
-</tr>
-<tr class="doc_table">
- <td>asmparser.o</td>
- <td>Assembler Parser</td>
-</tr>
-<tr class="doc_table">
- <td>bcreader.o</td>
- <td>Bytecode Reader</td>
-</tr>
-<tr class="doc_table">
- <td>bcwriter.o</td>
- <td>Bytecode Writer</td>
-</tr>
-<tr class="doc_table">
- <td>sched.o</td>
- <td>SparcV9 instruction scheduler</td>
-</tr>
-<tr class="doc_table">
- <td>selectiondag.o</td>
- <td>Aggressive instruction selector for Directed Acyclic Graphs</td>
-</tr>
-<tr class="doc_table">
- <td>transformutils.o</td>
- <td>Utilities for code transformations</td>
-</tr>
-<tr class="doc_table">
- <td>ipa.o</td>
- <td>Interprocedural Analyses</td>
-</tr>
-<tr class="doc_table">
- <td>sparcv9select.o</td>
- <td>SparcV9 instruction selector</td>
-</tr>
-<tr class="doc_table">
- <td>cwriter.o</td>
- <td>"C" Code Writer</td>
-</tr>
-<tr class="doc_table">
- <td>profpaths.o</td>
- <td>Path profiling instrumentation</td>
-</tr>
-<tr class="doc_table">
- <td>sparcv9regalloc.o</td>
- <td>SparcV9 graph-coloring register allocator</td>
-</tr>
-<tr class="doc_table">
- <td>instrument.o</td>
- <td>Intraprocedural instrumentation and utilities.</td>
-</tr>
-<tr class="doc_table">
- <td>datastructure.o</td>
- <td>Data Structure Analysis</td>
-</tr>
-<tr class="doc_table">
- <td>codegen.o</td>
- <td>Native code generation</td>
-</tr>
-<tr class="doc_table">
- <td>sparcv9livevar.o</td>
- <td>SparcV9 Live Variable Analysis</td>
-</tr>
-<tr class="doc_table">
- <td>vmcore.o</td>
- <td>Virtual Machine Core</td>
-</tr>
-<tr class="doc_table">
- <td>lli-interpreter.o</td>
- <td>Interpreter for LLVM ByteCode</td>
-</tr>
-<tr class="doc_table">
- <td>lli-jit.o</td>
- <td>
- Just-In-Time Compiler For LLVM ByteCode
- </td>
-</tr>
-<tr class="doc_table">
- <td>executionengine.o</td>
- <td>Engine for LLI</td>
-</tr>
-<tr class="doc_table">
- <td>debugger.o</td>
- <td>Source Level Debugging Support</td>
-</tr>
-<tr class="doc_table">
- <td>analysis.o</td>
- <td>General framework for Analysis</td>
-</tr>
-<tr class="doc_table">
- <td>sparcv9.o</td>
- <td>SparcV9 backend</td>
-</tr>
-<tr class="doc_table">
- <td>target.o</td>
- <td>Generic backend support</td>
-</tr>
-<tr class="doc_table">
- <td>transforms.o</td>
- <td>Uncategorized transformations.</td>
-</tr>
-<tr class="doc_table">
- <td>x86.o</td>
- <td>Intel x86 backend</td>
-</tr>
-<tr class="doc_table">
- <td>powerpc.o</td>
- <td>PowerPC backend</td>
-</tr>
-<tr class="doc_table">
- <td>scalaropts.o</td>
- <td>Optimizations For Scalars</td>
-</tr>
-<tr class="doc_table">
- <td>ipo.o</td>
- <td>Interprocedural Optimizations</td>
-</tr>
-<tr class="doc_table">
- <td>trace.o</td>
- <td>Support For Tracing/Debugging?</td>
-</tr>
-<tr class="doc_table">
- <td>profile_rt.o</td>
- <td>Runtime Library For Profiler</td>
-</tr>
-<tr class="doc_table">
- <td>sample.o</td>
- <td>Sample Program ?</td>
-</tr>
-<tr class="doc_table">
- <td>stkr_compiler.o</td>
- <td>Stacker Language Compiler Library</td>
-</tr>
-<tr class="doc_table">
- <td>stkr_runtime.o</td>
- <td>Stacker Language Runtime Library</td>
-</tr>
-</table>
-</div>
-<p></p>
-<!-- ======================================================================= -->
-<div class="doc_section"><a name="rot">Linkage Rules Of Thumb</a></div>
-<div class="doc_text">
- <p>This section contains various "rules of thumb" about what files you
- should link into your programs.</p>
-</div>
-<!-- ======================================================================= -->
-<div class="doc_subsection"><a name="always">Always Link vmcore.o support.a</a>
-</div>
-<div class="doc_text">
- <p>No matter what you do with LLVM, you'll always need to link with vmcore.o
- and support.a.</p>
-</div>
-<!-- ======================================================================= -->
-<div class="doc_subsection"><a name="Placeholder">Placeholder</a></div>
-<div class="doc_text">
- <p>Need more rules of thumb here.</p>
-</div>
-<!-- ======================================================================= -->
-<hr>
-<div class="doc_footer">
-<address><a href="mailto:rspencer@x10sys.com">Reid Spencer</a></address>
-<a href="http://llvm.cs.uiuc.edu">The LLVM Compiler Infrastructure</a>
-<br>Last modified: $Date$ </div>
-</body>
-</html>
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