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gcc -g eg.c -o eg
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ÔÚ shell ÖУ¬¿ÉÒÔʹÓà gdb ÃüÁî²¢Ö¸¶¨³ÌÐòÃû×÷Ϊ²ÎÊýÀ´ÔËÐÐ gdb£¬ÀýÈç gdb eg£»»òÕßÔÚ gdb ÖУ¬¿ÉÒÔʹÓà file ÃüÁîÀ´×°ÈëÒªµ÷ÊԵijÌÐò£¬ÀýÈç file eg¡£ÕâÁ½ÖÖ·½Ê½¶¼¼ÙÉèÄúÊÇÔÚ°üº¬³ÌÐòµÄĿ¼ÖÐÖ´ÐÐÃüÁî¡£×°Èë³ÌÐòÖ®ºó£¬¿ÉÒÔÓà gdb ÃüÁî un À´Æô¶¯³ÌÐò¡£
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´úÂëʾÀý eg1.c
#include
int wib(int no1, int no2)
{
int result, diff;
diff = no1 - no2;
result = no1 / diff;
return result;
}
int main(int argc, char *argv[])
{
int value, div, result, i, total;
value = 10;
div = 6;
total = 0;
for(i = 0; i < 10; i++)
{
result = wib(value, div);
total += result;
div++;
value--;
}
printf("%d wibed by %d equals %dn", value, div, total);
return 0;
}
Õâ¸ö³ÌÐò½«ÔËÐÐ 10 ´Î for Ñ»·£¬Ê¹Óà wib() º¯Êý¼ÆËã³öÀÛ»ýÖµ£¬×îºó´òÓ¡³ö½á¹û¡£
ÔÚÄúϲ»¶µÄÎı¾±à¼Æ÷ÖÐÊäÈëÕâ¸ö³ÌÐò£¨Òª±£³ÖÏàͬµÄÐоࣩ£¬±£´æÎª eg1.c£¬Ê¹Óà gcc -g eg1.c -o eg1 ½øÐбàÒ룬²¢Óà gdb eg1 Æô¶¯ gdb¡£Ê¹Óà un ÔËÐгÌÐò¿ÉÄÜ»á²úÉúÒÔÏÂÏûÏ¢£º
Program received signal SIGFPE, Arithmetic exception.
0x80483ea in wib (no1=8, no2=8) at eg1.c:7
7 result = no1 / diff;
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