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- <p>
- Previous: <a href="C-Example.html#C-Example" accesskey="p" rel="prev">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>
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- <a name="The-Simple-Example-at-the-Assembly-Level"></a>
- <h3 class="section">1.5 The Simple Example at the Assembly Level</h3>
-
- <p>This simple “hello world” example demonstrates several of the stab
- types used to describe C language source files.
- </p>
- <div class="example">
- <pre class="example">1 gcc2_compiled.:
- 2 .stabs "/cygint/s1/users/jcm/play/",100,0,0,Ltext0
- 3 .stabs "hello.c",100,0,0,Ltext0
- 4 .text
- 5 Ltext0:
- 6 .stabs "int:t1=r1;-2147483648;2147483647;",128,0,0,0
- 7 .stabs "char:t2=r2;0;127;",128,0,0,0
- 8 .stabs "long int:t3=r1;-2147483648;2147483647;",128,0,0,0
- 9 .stabs "unsigned int:t4=r1;0;-1;",128,0,0,0
- 10 .stabs "long unsigned int:t5=r1;0;-1;",128,0,0,0
- 11 .stabs "short int:t6=r1;-32768;32767;",128,0,0,0
- 12 .stabs "long long int:t7=r1;0;-1;",128,0,0,0
- 13 .stabs "short unsigned int:t8=r1;0;65535;",128,0,0,0
- 14 .stabs "long long unsigned int:t9=r1;0;-1;",128,0,0,0
- 15 .stabs "signed char:t10=r1;-128;127;",128,0,0,0
- 16 .stabs "unsigned char:t11=r1;0;255;",128,0,0,0
- 17 .stabs "float:t12=r1;4;0;",128,0,0,0
- 18 .stabs "double:t13=r1;8;0;",128,0,0,0
- 19 .stabs "long double:t14=r1;8;0;",128,0,0,0
- 20 .stabs "void:t15=15",128,0,0,0
- 21 .align 4
- 22 LC0:
- 23 .ascii "Hello, world!\12\0"
- 24 .align 4
- 25 .global _main
- 26 .proc 1
- 27 _main:
- 28 .stabn 68,0,4,LM1
- 29 LM1:
- 30 !#PROLOGUE# 0
- 31 save %sp,-136,%sp
- 32 !#PROLOGUE# 1
- 33 call ___main,0
- 34 nop
- 35 .stabn 68,0,5,LM2
- 36 LM2:
- 37 LBB2:
- 38 sethi %hi(LC0),%o1
- 39 or %o1,%lo(LC0),%o0
- 40 call _printf,0
- 41 nop
- 42 .stabn 68,0,6,LM3
- 43 LM3:
- 44 LBE2:
- 45 .stabn 68,0,6,LM4
- 46 LM4:
- 47 L1:
- 48 ret
- 49 restore
- 50 .stabs "main:F1",36,0,0,_main
- 51 .stabn 192,0,0,LBB2
- 52 .stabn 224,0,0,LBE2
- </pre></div>
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