[llvm-commits] CVS: llvm/www/docs/CommandGuide/gccas.html gccld.html llvmgxx.html
Chris Lattner
lattner at cs.uiuc.edu
Tue Oct 7 15:02:01 PDT 2003
Changes in directory llvm/www/docs/CommandGuide:
gccas.html updated: 1.3 -> 1.4
gccld.html updated: 1.5 -> 1.6
llvmgxx.html updated: 1.1 -> 1.2
---
Log message:
More changes and updates
---
Diffs of the changes: (+117 -140)
Index: llvm/www/docs/CommandGuide/gccas.html
diff -u llvm/www/docs/CommandGuide/gccas.html:1.3 llvm/www/docs/CommandGuide/gccas.html:1.4
--- llvm/www/docs/CommandGuide/gccas.html:1.3 Thu Sep 25 14:50:04 2003
+++ llvm/www/docs/CommandGuide/gccas.html Tue Oct 7 15:01:09 2003
@@ -1,34 +1,28 @@
<html>
-<title>
-LLVM: gccas tool
-</title>
+<title>LLVM: gccas tool</title>
<body>
<center>
-<h1>LLVM: gccas tool</h1>
+<h1>LLVM: <tt>gccas</tt> tool</h1>
</center>
<HR>
-<h3>
-NAME
-</h3>
+<h3>NAME</h3>
+<tt>gccas</tt>
-gccas
+<h3>SYNOPSIS</h3>
+<tt>gccas [options] < filename></tt>
-<h3>
-SYNOPSIS
-</h3>
+<h3>DESCRIPTION</h3>
-gccas [options] < filename>
-<h3>
-DESCRIPTION
-</h3>
+The <tt>gccas</tt> utility takes an LLVM assembly file generated by the <a
+href="llvmgcc.html">C</a> or <a href="llvmgxx.html">C++</a> frontends and
+converts it into an LLVM bytecode file. It is primarily used by the GCC front
+end, and as such, attempts to mimic the interface provided by the default system
+assembler so that it can act as a "drop-in" replacement.<p>
-The gccas utility takes an LLVM assembly file generated by GCC and converts it
-into an LLVM bytecode file. It is primarily used by the GCC front end, and as
-such, attempts to mimic the interface provided by the default system assembler
-so that it can act as a "drop-in" replacement.
+<tt>gccas</tt> performs a number of optimizations on the input program.<p>
<h3>
OPTIONS
@@ -66,13 +60,12 @@
EXIT STATUS
</h3>
-If gccas succeeds, it will exit with 0. Otherwise, if an error occurs, it
-will exit with a non-zero value.
+If <tt>gccas</tt> succeeds, it will exit with 0. Otherwise, if an error occurs,
+it will exit with a non-zero value.
-<h3>
-SEE ALSO
-</h3>
-llvm-dis
+<h3>SEE ALSO</h3>
+<a href="llvm-as.html"><tt>llvm-as</tt></a>
+<a href="gccld.html"><tt>gccld</tt></a>
<HR>
<a href="http://llvm.cs.uiuc.edu">LLVM Team</a>
Index: llvm/www/docs/CommandGuide/gccld.html
diff -u llvm/www/docs/CommandGuide/gccld.html:1.5 llvm/www/docs/CommandGuide/gccld.html:1.6
--- llvm/www/docs/CommandGuide/gccld.html:1.5 Thu Sep 25 14:50:04 2003
+++ llvm/www/docs/CommandGuide/gccld.html Tue Oct 7 15:01:09 2003
@@ -1,69 +1,64 @@
<html>
-<title>
-LLVM: gccld tool
-</title>
-
-<body>
-
-<center>
-<h1>LLVM: gccld tool</h1>
-</center>
+<title>LLVM: gccld tool</title>
+
+<body bgcolor=white>
+
+<center><h1>LLVM: <tt>gccld</tt> tool</h1></center>
<HR>
-<h3>
-NAME
-</h3>
-
-gccld
-
-<h3>
-SYNOPSIS
-</h3>
-
-gccld [options] < filename> [ filename ...]
-<h3>
-DESCRIPTION
-</h3>
-
-The gccld utility takes a set of LLVM bytecode files and links them together
-into a single LLVM bytecode file. The output bytecode file can be another
-bytecode library or an executable bytecode program. Using additional options,
-gccld is able to produce native code executables.
+<h3>NAME</h3>
+<tt>gccld</tt>
+
+<h3>SYNOPSIS</h3>
+<tt>gccld [options] < filename> [ filename ...]</tt>
+
+<h3>DESCRIPTION</h3>
+
+The <tt>gccld</tt> utility takes a set of LLVM bytecode files and links them
+together into a single LLVM bytecode file. The output bytecode file can be
+another bytecode library or an executable bytecode program. Using additional
+options, <tt>gccld</tt> is able to produce native code executables.
<p>
-The gccld utility is primarily used by the GCC front end, and as such, attempts
-to mimic the interface provided by the default system linker so that it can act
-as a "drop-in" replacement.
-
-<h4>
-Search Order
-</h4>
-When looking for objects specified on the command line, gccld will search for
-the object first in the current directory and then in the directory specified
-by LLVM_LIB_SEARCH_PATH. If it cannot find the object, it fails.
+
+The <tt>gccld</tt> utility is primarily used by the <a href="llvmgcc.html">C</a>
+and <a href="llvmgxx.html">C++</a> front-ends, and as such, attempts to mimic
+the interface provided by the default system linker so that it can act as a
+"drop-in" replacement.
+<p>
+
+The <tt>gccld</tt> tool performs a small set of interprocedural, post-link,
+optimizations on the program.
+
+
+<h4>Search Order</h4>
+
+When looking for objects specified on the command line, <tt>gccld</tt> will
+search for the object first in the current directory and then in the directory
+specified by the <tt>LLVM_LIB_SEARCH_PATH</tt> environment variable. If it
+cannot find the object, it fails.
<p>
-When looking for a library specified with the -l option, gccld first attempts
-to load a file with that name from the current directory. If that fails, it
-looks for lib<library>.bc, lib<library>.a, or
+
+When looking for a library specified with the -l option, <tt>gccld</tt> first
+attempts to load a file with that name from the current directory. If that
+fails, it looks for lib<library>.bc, lib<library>.a, or
lib<library>.so, in that order, in each directory added to the library
search path with the -L option. These directories are searched in order they
-were specified. If the library cannot be located, then gccld looks in the
-directory specified by the LLVM_LIB_SEARCH_PATH environment variable. If it
-does not find lib<library>.[bc | a | so] there, it fails.
+were specified. If the library cannot be located, then <tt>gccld</tt> looks in
+the directory specified by the <tt>LLVM_LIB_SEARCH_PATH</tt> environment
+variable. If it does not find lib<library>.[bc | a | so] there, it fails.
The -L option is global. It does not matter where it is specified in the list
of command line arguments; the directory is simply added to the search path and
is applied to all libraries, preceding or succeeding, in the command line.
-<h4>
-Link order
-</h4>
+<h4>Link order</h4>
+
All object files are linked first in the order they were specified on the
command line. All library files are linked next. Some libraries may not be
linked into the object program; see below.
-<h4>
-Library Linkage
-</h4>
+<h4>Library Linkage</h4>
+
Object files and static bytecode objects are always linked into the output
file. Library archives (.a files) load only the objects within the archive
that define symbols needed by the output file. Hence, libraries should be
@@ -71,13 +66,13 @@
library may not be linked in, and the dependent library will not have its
undefined symbols defined.
-<h4>
-Native code generation
-</h4>
-The gccld program has limited support for native code generation.
-<h3>
-OPTIONS
-</h3>
+<h4>Native code generation</h4>
+
+The <tt>gccld</tt> program has limited support for native code generation, when
+using the -native option.
+
+
+<h3>OPTIONS</h3>
<ul>
<li> -help
@@ -129,10 +124,11 @@
<li> -l=<library>
<br>
- Specify libraries to include when linking the output file. When linking,
- gccld will first attempt to load a file with the pathname library. If that
- fails, it will then attempt to load lib<library>.bc,
- lib<library>.a, and lib<library>.so, in that order.
+ Specify libraries to include when linking the output file. When
+ linking, <tt>gccld</tt> will first attempt to load a file with the
+ pathname library. If that fails, it will then attempt to load
+ lib<library>.bc, lib<library>.a, and lib<library>.so,
+ in that order.
<p>
<li> -link-as-library
@@ -144,13 +140,14 @@
<br>
Generate a native, machine code executable.
<p>
- When generating native executables, gccld first checks for a bytecode version
- of the library and links it in, if necessary. If the library is missing,
- gccld skips it. Then, gccld links in the same libraries as native code.
+ When generating native executables, <tt>gccld</tt> first checks for a bytecode
+ version of the library and links it in, if necessary. If the library is
+ missing, <tt>gccld</tt> skips it. Then, <tt>gccld</tt> links in the same
+ libraries as native code.
<p>
- In this way, gccld should be able to link in optimized bytecode subsets of
- common libraries and then link in any part of the library that hasn't been
- converted to bytecode.
+ In this way, <tt>gccld</tt> should be able to link in optimized bytecode
+ subsets of common libraries and then link in any part of the library that
+ hasn't been converted to bytecode.
<p>
<li> -s
@@ -163,21 +160,16 @@
Print information about actions taken.
</ul>
-<h3>
-EXIT STATUS
-</h3>
-
-If gccld succeeds, it will exit with 0. Otherwise, if an error occurs, it
-will exit with a non-zero value.
-
-<h3>
-SEE ALSO
-</h3>
-gccas
-
-<h3>
-BUGS
-</h3>
+<h3>EXIT STATUS</h3>
+
+If <tt>gccld</tt> succeeds, it will exit with 0. Otherwise, if an error occurs,
+it will exit with a non-zero value.
+
+<h3>SEE ALSO</h3>
+<a href="llvm-link.html"><tt>llvm-link</tt></a>
+<a href="gccas.html"><tt>gccas</tt></a>
+
+<h3>BUGS</h3>
The -L option cannot be used for find native code libraries when using the
-native option.
Index: llvm/www/docs/CommandGuide/llvmgxx.html
diff -u llvm/www/docs/CommandGuide/llvmgxx.html:1.1 llvm/www/docs/CommandGuide/llvmgxx.html:1.2
--- llvm/www/docs/CommandGuide/llvmgxx.html:1.1 Fri Oct 3 08:45:55 2003
+++ llvm/www/docs/CommandGuide/llvmgxx.html Tue Oct 7 15:01:09 2003
@@ -6,37 +6,30 @@
<body>
<center>
-<h1>LLVM: llvmg++ tool</h1>
+<h1>LLVM: <tt>llvmg++</tt> tool</h1>
</center>
<HR>
-<h3>
-NAME
-</h3>
+<h3>NAME</h3>
+<tt>llvmg++</tt>
-llvmg++
+<h3>SYNOPSIS</h3>
+<tt>llvmg++ [options] filename</tt>
-<h3>
-SYNOPSIS
-</h3>
-
-llvmg++ [options] filename
-<h3>
-DESCRIPTION
-</h3>
+<h3>DESCRIPTION</h3>
-The llvmg++ command is the LLVM C++ front end. It is a modified version of g++
-that takes C++ programs and compiles them into LLVM bytecode or assembly
-language, depending upon the options.
+The <tt>llvmg++</tt> command is the LLVM C++ front end. It is a modified
+version of g++ that takes C++ programs and compiles them into LLVM bytecode or
+assembly language, depending upon the options.
<p>
-The llvmg++ program uses the LLVM assembler gccas and the LLVM linker gccld to
-do the work of creating complete programs.
+The <tt>llvmg++</tt> program uses the <tt>gccas</tt> and <tt>gccld</tt> to
+assist with the creation of complete programs.
<p>
-Being derived from the GNU Compiler Collection, llvmg++ has many of g++'s
-features and accepts most of g++'s options. It handles a number of g++'s
-extensions to the C++ programming language.
+Being derived from the <a href="http://gcc.gnu.org">GNU Compiler Collection</a>,
+<tt>llvmg++</tt> has many of g++'s features and accepts most of g++'s options.
+It handles a number of g++'s extensions to the C++ programming language.
<p>
Below you will find several commonly used options:
@@ -54,15 +47,14 @@
<li> -c
<br>
- Do not generate a linked executable. Rather, compile the source file into
- an LLVM bytecode file. This bytecode file can then be linked with other
- bytecode files later on to generate a full LLVM executable.
+ Do not generate a linked executable. Rather, compile the source file
+ into an LLVM bytecode file. This bytecode file can then be linked with
+ other bytecode files later on to generate a full LLVM executable.
<p>
<li> -o <i>filename</i>
<br>
- Specify the output file to be <i>filename</i>. If <i>filename</i> is -,
- then llvmgcc sends its output to standard output.
+ Specify the output file to be <i>filename</i>.
<p>
<li> -I <i>directory</i>
@@ -79,8 +71,8 @@
<li> -l<i>name</i>
<br>
- Link in the library lib<i>name</i>.[bc | a | so]. This library should be
- a bytecode library.
+ Link in the library lib<i>name</i>.[bc | a | so]. This library should
+ be a bytecode library.
<p>
<li>-Wl,<i>option</i>
@@ -94,15 +86,15 @@
EXIT STATUS
</h3>
-If llvmg++ succeeds, it will exit with 0. Otherwise, if an error occurs, it
-will exit with a non-zero value.
+If <tt>llvmg++</tt> succeeds, it will exit with 0. Otherwise, if an error
+occurs, it will exit with a non-zero value.
<h3>
SEE ALSO
</h3>
-<A HREF="llvmgcc.html">llvmg++</A>,
-<A HREF="gccas.html">gccas</A>,
-<A HREF="gccld.html">gccld</A>
+<A HREF="llvmgcc.html"><tt>llvmg++</tt></A>,
+<A HREF="gccas.html"><tt>gccas</tt></A>,
+<A HREF="gccld.html"><tt>gccld</tt></A>
<HR>
<a href="http://llvm.cs.uiuc.edu">LLVM Team</a>
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