リスト50 リスト51


〔リスト50〕section属性を使用した例(test75.c)
	#include <stdio.h>
	int keisan (int x)  __attribute__ ((section ("keisan")));
	int keisan1 (int x)   __attribute__ ((section ("keisan1")));
	int main(void)
	{
	 printf("%d",keisan(10));
	 printf("%d",keisan1(10));
	 return;
	}
	int keisan(int x)
	{
	 return x * x;
	}
	int keisan1(int x)
	{
	 return x * x;
	}


〔リスト51〕test75.cから生成されたアセンブラ(test75.s)
	 .file "test75.c"
	 .version "01.01"
	gcc2_compiled.:
	.section .rodata
	.LC0:
	 .string "%d"
	.section keisan,"ax",@progbits
	 .align 4
	.globl keisan
	 .type  keisan,@function
	keisan:
	 pushl %ebp
	 movl %esp,%ebp
	 movl 8(%ebp),%eax
	 imull %eax,%eax
	 movl %ebp,%esp
	 popl %ebp
	 ret
	.Lfe1:
	 .size  keisan,.Lfe1-keisan
	.section keisan1,"ax",@progbits
	 .align 4
	.globl keisan1
	 .type  keisan1,@function
	keisan1:
	 pushl %ebp
	 movl %esp,%ebp
	 movl 8(%ebp),%eax
	 imull %eax,%eax
	 movl %ebp,%esp
	 popl %ebp
	 ret
	.Lfe2:
	 .size  keisan1,.Lfe2-keisan1
	.text
	 .align 4
	.globl main
	 .type  main,@function
	main:
	 pushl %ebp
	 movl %esp,%ebp
	 subl $8,%esp
	 addl $-8,%esp
	 addl $-12,%esp
	 pushl $10
	 call keisan
	 pushl %eax
	 pushl $.LC0
	 call printf
	 addl $32,%esp
	 addl $-8,%esp
	 addl $-12,%esp
	 pushl $10
	 call keisan1
	 pushl %eax
	 pushl $.LC0
	 call printf
	 movl %ebp,%esp
	 popl %ebp
	 ret
	.Lfe3:
	 .size  main,.Lfe3-main
	 .ident "GCC: (GNU) 2.95.3 20010315 (release)"