| '\" t |
| .\" Title: yasm_parsers |
| .\" Author: Peter Johnson <peter@tortall.net> |
| .\" Generator: DocBook XSL Stylesheets v1.75.2 <http://docbook.sf.net/> |
| .\" Date: October 2006 |
| .\" Manual: Yasm Supported Parsers |
| .\" Source: Yasm |
| .\" Language: English |
| .\" |
| .TH "YASM_PARSERS" "7" "October 2006" "Yasm" "Yasm Supported Parsers" |
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| .SH "NAME" |
| yasm_parsers \- Yasm Supported Parsers (Assembler Syntaxes) |
| .SH "SYNOPSIS" |
| .HP \w'\fByasm\fR\ 'u |
| \fByasm\fR \fB\-p\ \fR\fB\fIparser\fR\fR [\fB\-r\ \fR\fB\fIpreproc\fR\fR] \fB\fI\&.\&.\&.\fR\fR |
| .SH "DESCRIPTION" |
| .PP |
| The standard Yasm distribution includes a number of modules for different parsers (assembler syntaxes)\&. |
| .PP |
| The parser is selected on the |
| \fByasm\fR(1) |
| command line by use of the |
| \fB\-p \fR\fB\fIparser\fR\fR |
| command line option\&. |
| .SH "NASM PARSER" |
| .PP |
| NASM syntax, selected with |
| \fB\-p nasm\fR, is the most full\-featured syntax supported by Yasm\&. Yasm is nearly 100% compatible with NASM for 16\-bit and 32\-bit x86 code\&. Yasm additionally supports 64\-bit AMD64 code with Yasm extensions to the NASM syntax; see |
| \fByasm_arch\fR(7) |
| for details\&. NASM syntax is the Yasm default\&. |
| .SH "GAS PARSER" |
| .PP |
| The GNU Assembler (GAS) is the de\-facto cross\-platform assembler for modern Unix systems, and is used as the backend for the GCC compiler\&. Yasm\'s support for GAS syntax is moderately good, although immature: not all directives are supported, and only 32\-bit x86 and AMD64 architectures are supported\&. Nearly all of the GAS preprocessor is also supported\&. Yasm\'s GAS syntax support is good enough to handle essentially all x86 and AMD64 GCC compiler output\&. The GAS parser can be selected with |
| \fB\-p gas\fR\&. |
| .SH "SEE ALSO" |
| .PP |
| \fByasm\fR(1), |
| \fByasm_arch\fR(7) |
| .SH "AUTHOR" |
| .PP |
| \fBPeter Johnson\fR <\&peter@tortall\&.net\&> |
| .RS 4 |
| Author. |
| .RE |
| .SH "COPYRIGHT" |
| .br |
| Copyright \(co 2006 Peter Johnson |
| .br |
