玄人志向　玄箱9

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898:login:Penguin
 08/02/20 13:27:15 OyXIUZCU
coreできるけど、何が違うんかな 
 
$ ulimit -Sc unlimited  (bash使ってる場合) 
$ gcc foo.c  
$ ./a.out  
Segmentation fault (core dumped) 
$ ls -la core  
-rw-------    1 hoge  hogehoge      212992 Feb 20 13:21 core 
$ gdb a.out core  
GNU gdb 2002-04-01-cvs 
Copyright 2002 Free Software Foundation, Inc. 
(略) 
#0  0x0ff2c34c in strcpy () from /lib/libc.so.6 
(gdb) where 
#0  0x0ff2c34c in strcpy () from /lib/libc.so.6 
#1  0x100004a0 in main () 
#2  0x0fecac30 in __libc_start_main () from /lib/libc.so.6

899:login:Penguin
 08/02/20 13:40:07 OyXIUZCU
スマン、etchでやらないと意味無いか 
 
$ gcc -v 
Using built-in specs. 
Target: powerpc-linux-gnu 
(略) 
gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21) 
$ ./a.out  
Segmentation fault (core dumped) 
$ gdb a.out core 
GNU gdb 6.4.90-debian 
Copyright (C) 2006 Free Software Foundation, Inc. 
(略) 
Program terminated with signal 11, Segmentation fault. 
#0  0x10000400 in main () at foo.c:4 
4               strcpy(0, "abcdefg");

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