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.\" ========================================================================
.\"
.IX Title "STKRC 1"
.TH STKRC 1 "2006-03-13" "CVS" "LLVM Command Guide"
.SH "NAME"
stkrc \- Stacker Compiler
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBstkrc\fR [\fIoptions\fR] [\fIfilename\fR]
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The \fBstkrc\fR command is the compiler for the Stacker language. Stacker is a
simple stack based, Forth-like language that was written as a demonstration
language for \s-1LLVM\s0. For details on the language, please see
<http://llvm.org/docs/Stacker.html> . The \fBstkrc\fR compiler is fairly
minimal. It compiles to bytecode only and doesn't perform any optimizations.
The output of stkrc (a bytecode file) can be piped through other \s-1LLVM\s0 tools
for optimization and linking.
.PP
If \fIfilename\fR is omitted or is \f(CW\*(C`\-\*(C'\fR, then \fBstkrc\fR reads its input
from standard input. This is useful for combining the tool into a pipeline.
.PP
If an output file is not specified with the \fB\-o\fR option, then
\&\fBllvm-as\fR sends its output to a file or standard output by following
these rules:
.IP "\(bu" 4
If the input is standard input, then the output is standard output.
.IP "\(bu" 4
If the input is a file that ends with \f(CW\*(C`.st\*(C'\fR, then the output file is of
the same name, except that the suffix is changed to \f(CW\*(C`.bc\*(C'\fR.
.IP "\(bu" 4
If the input is a file that does not end with the \f(CW\*(C`.st\*(C'\fR suffix, then the
output file has the same name as the input file, except that the \f(CW\*(C`.bc\*(C'\fR
suffix is appended.
.SH "OPTIONS"
.IX Header "OPTIONS"
.IP "\fB\-o\fR \fIfilename\fR" 4
.IX Item "-o filename"
Specify the output file name. If \fIfilename\fR is \f(CW\*(C`\-\*(C'\fR, then \fBllvm-as\fR
sends its output to standard output.
.IP "\fB\-stats\fR" 4
.IX Item "-stats"
Print statistics acquired during compilation.
.IP "\fB\-time\-passes\fR" 4
.IX Item "-time-passes"
Record the amount of time needed for each pass and print it to standard
error.
.IP "\fB\-f\fR" 4
.IX Item "-f"
Force the output to be written. Normally, \fBstkrc\fR won't overwrite an existing
bytecode file. This option overrides that behavior.
.IP "\fB\-s\fR \fIstacksize\fR" 4
.IX Item "-s stacksize"
Specify the stack size for the program. The default stack size, 1024, should be
sufficient for most programs. For very large programs, especially those that
recurse a lot, you might want to provide a larger value. Each unit of this
value consumes 8 bytes of memory.
.IP "\fB\-help\fR" 4
.IX Item "-help"
Print a summary of command line options.
.SH "EXIT STATUS"
.IX Header "EXIT STATUS"
If \fBstkrc\fR succeeds, it will exit with 0. Otherwise, if an error
occurs, it will exit with a non-zero value, usually 1.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
llvm-as, <http://llvm.org/docs/Stacker.html>
.SH "AUTHORS"
.IX Header "AUTHORS"
Maintained by the \s-1LLVM\s0 Team (<http://llvm.org>).
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