1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<!-- Copyright (C) 1992-2021 Free Software Foundation, Inc. 4Contributed by Cygnus Support. Written by Julia Menapace, Jim Kingdon, 5and David MacKenzie. 6 7Permission is granted to copy, distribute and/or modify this document 8under the terms of the GNU Free Documentation License, Version 1.3 or 9any later version published by the Free Software Foundation; with no 10Invariant Sections, with no Front-Cover Texts, and with no Back-Cover 11Texts. A copy of the license is included in the section entitled "GNU 12Free Documentation License". --> 13<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> 14<head> 15<title>STABS: Assembly Code</title> 16 17<meta name="description" content="STABS: Assembly Code"> 18<meta name="keywords" content="STABS: Assembly Code"> 19<meta name="resource-type" content="document"> 20<meta name="distribution" content="global"> 21<meta name="Generator" content="makeinfo"> 22<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 23<link href="index.html#Top" rel="start" title="Top"> 24<link href="Symbol-Types-Index.html#Symbol-Types-Index" rel="index" title="Symbol Types Index"> 25<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> 26<link href="Overview.html#Overview" rel="up" title="Overview"> 27<link href="Program-Structure.html#Program-Structure" rel="next" title="Program Structure"> 28<link href="C-Example.html#C-Example" rel="previous" title="C Example"> 29<style type="text/css"> 30<!-- 31a.summary-letter {text-decoration: none} 32blockquote.smallquotation {font-size: smaller} 33div.display {margin-left: 3.2em} 34div.example {margin-left: 3.2em} 35div.indentedblock {margin-left: 3.2em} 36div.lisp {margin-left: 3.2em} 37div.smalldisplay {margin-left: 3.2em} 38div.smallexample {margin-left: 3.2em} 39div.smallindentedblock {margin-left: 3.2em; font-size: smaller} 40div.smalllisp {margin-left: 3.2em} 41kbd {font-style:oblique} 42pre.display {font-family: inherit} 43pre.format {font-family: inherit} 44pre.menu-comment {font-family: serif} 45pre.menu-preformatted {font-family: serif} 46pre.smalldisplay {font-family: inherit; font-size: smaller} 47pre.smallexample {font-size: smaller} 48pre.smallformat {font-family: inherit; font-size: smaller} 49pre.smalllisp {font-size: smaller} 50span.nocodebreak {white-space:nowrap} 51span.nolinebreak {white-space:nowrap} 52span.roman {font-family:serif; font-weight:normal} 53span.sansserif {font-family:sans-serif; font-weight:normal} 54ul.no-bullet {list-style: none} 55--> 56</style> 57 58 59</head> 60 61<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> 62<a name="Assembly-Code"></a> 63<div class="header"> 64<p> 65Previous: <a href="C-Example.html#C-Example" accesskey="p" rel="previous">C Example</a>, Up: <a href="Overview.html#Overview" accesskey="u" rel="up">Overview</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Symbol-Types-Index.html#Symbol-Types-Index" title="Index" rel="index">Index</a>]</p> 66</div> 67<hr> 68<a name="The-Simple-Example-at-the-Assembly-Level"></a> 69<h3 class="section">1.5 The Simple Example at the Assembly Level</h3> 70 71<p>This simple “hello world” example demonstrates several of the stab 72types used to describe C language source files. 73</p> 74<div class="example"> 75<pre class="example">1 gcc2_compiled.: 762 .stabs "/cygint/s1/users/jcm/play/",100,0,0,Ltext0 773 .stabs "hello.c",100,0,0,Ltext0 784 .text 795 Ltext0: 806 .stabs "int:t1=r1;-2147483648;2147483647;",128,0,0,0 817 .stabs "char:t2=r2;0;127;",128,0,0,0 828 .stabs "long int:t3=r1;-2147483648;2147483647;",128,0,0,0 839 .stabs "unsigned int:t4=r1;0;-1;",128,0,0,0 8410 .stabs "long unsigned int:t5=r1;0;-1;",128,0,0,0 8511 .stabs "short int:t6=r1;-32768;32767;",128,0,0,0 8612 .stabs "long long int:t7=r1;0;-1;",128,0,0,0 8713 .stabs "short unsigned int:t8=r1;0;65535;",128,0,0,0 8814 .stabs "long long unsigned int:t9=r1;0;-1;",128,0,0,0 8915 .stabs "signed char:t10=r1;-128;127;",128,0,0,0 9016 .stabs "unsigned char:t11=r1;0;255;",128,0,0,0 9117 .stabs "float:t12=r1;4;0;",128,0,0,0 9218 .stabs "double:t13=r1;8;0;",128,0,0,0 9319 .stabs "long double:t14=r1;8;0;",128,0,0,0 9420 .stabs "void:t15=15",128,0,0,0 9521 .align 4 9622 LC0: 9723 .ascii "Hello, world!\12\0" 9824 .align 4 9925 .global _main 10026 .proc 1 10127 _main: 10228 .stabn 68,0,4,LM1 10329 LM1: 10430 !#PROLOGUE# 0 10531 save %sp,-136,%sp 10632 !#PROLOGUE# 1 10733 call ___main,0 10834 nop 10935 .stabn 68,0,5,LM2 11036 LM2: 11137 LBB2: 11238 sethi %hi(LC0),%o1 11339 or %o1,%lo(LC0),%o0 11440 call _printf,0 11541 nop 11642 .stabn 68,0,6,LM3 11743 LM3: 11844 LBE2: 11945 .stabn 68,0,6,LM4 12046 LM4: 12147 L1: 12248 ret 12349 restore 12450 .stabs "main:F1",36,0,0,_main 12551 .stabn 192,0,0,LBB2 12652 .stabn 224,0,0,LBE2 127</pre></div> 128 129 130 131 132</body> 133</html> 134